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dancer114514 1 year ago
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11
kernel_liteos_a-OpenHarmony-v3.1.7-Release/.gitee/ISSUE_TEMPLATE.zh-CN.md
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### 该问题是怎么引起的？
### 重现步骤
### 报错信息

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/.gitee/PULL_REQUEST_TEMPLATE.zh-CN.md
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### 相关的Issue
### 原因（目的、解决的问题等）
### 描述（做了什么，变更了什么）
### 测试用例（新增、改动、可能影响的功能）
### 是否需要同步至release（如：3.0LTS ... ）分支？
必须选择一项（在MarkDown模式下用[x]替换[ ]即可勾选对应选项）:
- [ ] 是，需要同步的分支：
- [ ] 否
理由：

24
kernel_liteos_a-OpenHarmony-v3.1.7-Release/.gitignore vendored
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# General ignored file types
*.o
*.a
*.so
*.swp
# IDE settings
.vscode
.idea
.settings
.cproject
.project
# VIM files
cscope*
tags
# Menuconfig temp files
/config.h
/.config
/.config.old
# Build temp files
/out

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/BUILD.gn
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//build/lite/config/component/lite_component.gni")
LITEOS_MENUCONFIG_H = rebase_path("$root_out_dir/config.h")
declare_args() {
tee_enable = false
liteos_name = "OHOS_Image"
liteos_skip_make = false
}
tee = ""
if (tee_enable) {
tee = "_tee"
}
declare_args() {
liteos_config_file = "${ohos_build_type}${tee}.config"
}
liteos_config_file =
rebase_path(liteos_config_file, "", "$product_path/kernel_configs")
print("liteos_config_file:", liteos_config_file)
exec_script("//build/lite/run_shell_cmd.py",
[ "env" + " CONFIG_=LOSCFG_" + " KCONFIG_CONFIG_HEADER='y=true'" +
" KCONFIG_CONFIG=$liteos_config_file" +
" DEVICE_PATH=$device_path" + " srctree=" + rebase_path(".") +
" genconfig" + " --header-path $LITEOS_MENUCONFIG_H" +
" --file-list kconfig_files.txt" +
" --env-list kconfig_env.txt" + " --config-out config.gni" ],
"",
[ liteos_config_file ])
import("liteos.gni")
assert(ARCH != "", "ARCH not set!")
assert(ARCH == arch, "ARCH not match! details: $ARCH != $arch")
assert(tee_enable == defined(LOSCFG_TEE_ENABLE), "TEE switch not match!")
assert(ohos_build_compiler == "clang" == defined(LOSCFG_COMPILER_CLANG_LLVM),
"compiler not match!")
generate_notice_file("kernel_notice_file") {
module_name = "kernel"
module_source_dir_list = [
"$LITEOSTHIRDPARTY/FreeBSD",
"$LITEOSTHIRDPARTY/musl",
"$LITEOSTHIRDPARTY/zlib",
"$LITEOSTHIRDPARTY/FatFs",
"$LITEOSTHIRDPARTY/lwip",
"$LITEOSTHIRDPARTY/NuttX",
"$LITEOSTHIRDPARTY/mtd-utils",
]
}
liteos_arch_cflags = []
if (defined(LOSCFG_ARCH_ARM)) {
mcpu = LOSCFG_ARCH_CPU
if (defined(LOSCFG_ARCH_ARM_AARCH64) && defined(LOSCFG_ARCH_FPU_DISABLE)) {
mcpu += "+nofp"
}
liteos_arch_cflags += [ "-mcpu=$mcpu" ]
if (defined(LOSCFG_ARCH_ARM_AARCH32)) {
liteos_arch_cflags += [
"-mfloat-abi=softfp",
"-mfpu=$LOSCFG_ARCH_FPU",
]
}
}
cc = "$ohos_current_cc_command " + string_join(" ", liteos_arch_cflags)
if (ohos_build_compiler == "clang") {
cc += " --target=$target_triple"
}
config("arch_config") {
cflags = liteos_arch_cflags
asmflags = cflags
ldflags = cflags
if (defined(LOSCFG_ARCH_ARM_AARCH32)) {
if (!defined(LOSCFG_COMPILER_CLANG_LLVM)) {
cflags += [ "-mthumb-interwork" ]
}
}
if (defined(LOSCFG_THUMB)) {
cflags += [ "-mthumb" ]
if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
cflags += [ "-mimplicit-it=thumb" ]
} else {
cflags += [ "-Wa,-mimplicit-it=thumb" ]
}
}
}
config("stdinc_config") {
std_include = exec_script("//build/lite/run_shell_cmd.py",
[ "$cc -print-file-name=include" ],
"trim string")
cflags = [
"-isystem",
std_include,
]
cflags += [ "-nostdinc" ]
asmflags = cflags
}
config("ssp_config") {
cflags = []
if (defined(LOSCFG_CC_STACKPROTECTOR_ALL)) {
cflags += [ "-fstack-protector-all" ]
} else if (defined(LOSCFG_CC_STACKPROTECTOR_STRONG)) {
cflags += [ "-fstack-protector-strong" ]
} else if (defined(LOSCFG_CC_STACKPROTECTOR)) {
cflags += [
"-fstack-protector",
"--param",
"ssp-buffer-size=4",
]
} else {
cflags += [ "-fno-stack-protector" ]
}
asmflags = cflags
}
config("optimize_config") {
cflags = []
if (defined(LOSCFG_COMPILE_DEBUG)) {
cflags += [
"-g",
"-gdwarf-2",
]
optimization_cflag = "-O0"
}
if (defined(LOSCFG_COMPILE_OPTIMIZE)) {
optimization_cflag = "-O2"
}
if (defined(LOSCFG_COMPILE_OPTIMIZE_SIZE)) {
if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
optimization_cflag = "-Oz"
} else {
optimization_cflag = "-Os"
}
}
if (defined(LOSCFG_COMPILE_LTO)) {
if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
cflags += [ "-flto=thin" ]
} else {
#cflags += [ "-flto" ]
}
}
cflags += [ optimization_cflag ]
asmflags = cflags
}
config("kconfig_config") {
cflags = [
"-imacros",
"$LITEOS_MENUCONFIG_H",
]
asmflags = cflags
}
config("warn_config") {
cflags = [
"-Wall",
"-Werror",
"-Wpointer-arith",
"-Wstrict-prototypes",
"-Winvalid-pch",
]
if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
cflags += [ "-Wno-address-of-packed-member" ]
}
asmflags = cflags
}
config("dialect_config") {
cflags_c = [ "-std=c99" ]
cflags_cc = [ "-std=c++11" ]
}
config("misc_config") {
defines = [ "__LITEOS__" ]
defines += [ "__LITEOS_A__" ]
if (!defined(LOSCFG_DEBUG_VERSION)) {
defines += [ "NDEBUG" ]
}
cflags = [
"-fno-pic",
"-fno-builtin",
"-fms-extensions",
"-fno-strict-aliasing",
"-fno-common",
"-fsigned-char",
"-ffunction-sections",
"-fdata-sections",
"-fno-exceptions",
"-fno-omit-frame-pointer",
"-fno-short-enums",
"-mno-unaligned-access",
]
if (!defined(LOSCFG_COMPILER_CLANG_LLVM)) {
cflags += [ "-fno-aggressive-loop-optimizations" ]
}
asmflags = cflags
}
config("los_config") {
configs = [
":arch_config",
":kconfig_config",
":stdinc_config",
":dialect_config",
":optimize_config",
":ssp_config",
":warn_config",
":misc_config",
]
}
cmd = "if [ -f $device_path/BUILD.gn ]; then echo true; else echo false; fi"
HAVE_DEVICE_SDK = exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
config("public") {
configs = [
"arch:public",
"kernel:public",
"compat:public",
"bsd:public",
"fs:public",
"drivers:public",
"security:public",
"net:public",
"shell:public",
"lib:public",
]
configs += [
"$HDFTOPDIR:public",
"//drivers/liteos:public",
]
if (HAVE_DEVICE_SDK) {
configs += [ "$device_path:public" ]
}
}
group("modules") {
deps = [
"arch",
"bsd",
"compat",
"drivers",
"fs",
"kernel",
"lib",
"net",
"security",
"shell",
"syscall",
]
deps += [
"//drivers/liteos",
HDFTOPDIR,
]
if (HAVE_DEVICE_SDK) {
deps += [ device_path ]
}
}
group("apps") {
deps = [ "apps" ]
}
group("tests") {
deps = [ "testsuites" ]
}
group("kernel") {
deps = [ ":build_kernel_image" ]
}
group("liteos_a") {
deps = [
":apps",
":kernel",
":make",
":tests",
"//prebuilts/lite/sysroot/build:strip",
]
}
executable("liteos") {
configs = [] # clear default configs
configs += [ ":arch_config" ]
configs += [ ":public" ]
ldflags = [
"-static",
"-nostdlib",
"-Wl,--gc-sections",
"-Wl,-Map=$liteos_name.map",
"-Wl,--no-eh-frame-hdr",
]
libgcc = exec_script("//build/lite/run_shell_cmd.py",
[ "$cc -print-libgcc-file-name" ],
"trim string")
libs = [ libgcc ]
if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
ldflags +=
[ "-Wl,-T" + rebase_path("tools/build/liteos_llvm.ld", root_build_dir) ]
inputs = [ "tools/build/liteos_llvm.ld" ]
} else {
ldflags +=
[ "-Wl,-T" + rebase_path("tools/build/liteos.ld", root_build_dir) ]
ldflags += [ "-Wl,-nostartfiles" ]
inputs = [ "tools/build/liteos.ld" ]
}
inputs += [ "$root_out_dir/board.ld" ]
output_dir = target_out_dir
deps = [
":modules",
"platform:copy_board.ld",
]
}
copy("copy_liteos") {
deps = [ ":liteos" ]
sources = [ "$target_out_dir/unstripped/bin/liteos" ]
outputs = [ "$root_out_dir/$liteos_name" ]
}
build_ext_component("build_kernel_image") {
deps = [ ":copy_liteos" ]
exec_path = rebase_path(root_out_dir)
objcopy = "${compile_prefix}objcopy$toolchain_cmd_suffix"
objdump = "${compile_prefix}objdump$toolchain_cmd_suffix"
command = "$objcopy -O binary $liteos_name $liteos_name.bin"
command +=
" && sh -c '$objdump -t $liteos_name | sort >$liteos_name.sym.sorted'"
command += " && sh -c '$objdump -d $liteos_name >$liteos_name.asm'"
}
build_ext_component("make") {
exec_path = rebase_path(".", root_build_dir)
outdir = rebase_path("$target_out_dir/${target_name}_out")
sysroot_path = rebase_path(ohos_current_sysroot)
arch_cflags = string_join(" ", target_arch_cflags)
command = "./build.sh \"$board_name\" \"$ohos_build_compiler\" \"$root_build_dir\" \"$ohos_build_type\" \"$tee_enable\""
command += " \"$device_company\" \"$product_path\" \"$outdir\" \"$ohos_version\" \"$sysroot_path\" \"$arch_cflags\""
command += " \"$device_path\" \"$compile_prefix\" \"$liteos_config_file\""
if (liteos_skip_make) {
print("build_ext_component \"$target_name\" skipped:", command)
command = "true"
}
}

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/Kconfig
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mainmenu "Huawei LiteOS Configuration"
menu "Compiler"
choice
prompt "Compiler type"
default COMPILER_CLANG_LLVM
help
Choose compiler type.
config COMPILER_GCC
bool "GCC"
config CROSS_COMPILE
string "GCC cross-compile toolchain prefix"
depends on COMPILER_GCC
default "arm-linux-ohoseabi-" if ARCH_ARM_AARCH32
config COMPILER_CLANG_LLVM
bool "Clang"
config LLVM_TARGET
string "Clang LLVM target"
depends on COMPILER_CLANG_LLVM
default "arm-liteos-ohos" if ARCH_ARM_AARCH32
endchoice
config COMPILE_DEBUG
bool "Enable debug options"
default n
help
Answer Y to add -g option in compile command.
config COMPILE_OPTIMIZE
bool "Enable code optimization options"
default y
help
Answer Y to add optimization options for efficient code.
The final binary size will be smaller and execute faster.
But the debugging experience may be worst somehow.
config COMPILE_OPTIMIZE_SIZE
bool "Enable code size optimization options" if COMPILE_OPTIMIZE
default y
help
Answer Y to add optimization options for small code size.
The final binary size will be smaller.
But the compile time may be a bit longer.
config COMPILE_LTO
bool "Enable link time optimization (LTO)" if COMPILE_OPTIMIZE_SIZE
default y
help
Answer Y to add lto options for more smaller code size.
The final binary size will be smaller.
But the compile time may be much longer.
endmenu
menu "Platform"
######################### config options of bsp #####################
source "platform/Kconfig"
######################### config options of cpu arch ################
source "arch/Kconfig"
config QUICK_START
bool "Enable QUICK_START"
default n
depends on DRIVERS && FS_VFS
help
Answer Y to enable LiteOS support quick start.
endmenu
######################### config options of kernel #####################
source "kernel/Kconfig"
######################### config options of lib ########################
source "lib/Kconfig"
######################### config options of compatibility ##############
menu "Compat"
source "compat/posix/Kconfig"
source "bsd/Kconfig"
endmenu
######################## config options of filesystem ##################
menu "FileSystem"
source "fs/Kconfig"
endmenu
######################## config options of net ############################
source "net/Kconfig"
######################## config options of debug ########################
menu "Debug"
config GDB
bool "Enable gdb functions"
default n
help
Answer Y to enable gdb functions.
config PLATFORM_ADAPT
bool "Enable Os_adapt"
default y
help
Answer Y to add os_adapt.c to LiteOS.
config ENABLE_OOM_LOOP_TASK
bool "Enable Oom loop task"
default n
depends on KERNEL_VM
help
Answer Y to enable oom loop kthread to check system out of memory.
config DO_ALIGN
bool "Enable do align for hi3518e"
default y
depends on PLATFORM_HI3518EV200
help
Answer Y to enable do align for hi3518e.
config ENABLE_MAGICKEY
bool "Enable MAGIC KEY"
default y
help
Answer Y to enable LiteOS Magic key.
ctrl + r : Magic key check switch;
ctrl + z : Show all magic op key;
ctrl + t : Show task information;
ctrl + p : System panic;
ctrl + e : Check system memory pool.
config THUMB
bool "Enable Thumb"
default n
depends on ARCH_ARM
help
Answer Y to build thumb version. This will make LiteOS smaller.
config PLATFORM_DVFS
bool "Enable Dvfs"
default n
depends on COMPAT_LINUXKPI
help
Answer Y to enable LiteOS support dynamic voltage and frequency scaling feature for
low power consumption.
config SAVE_EXCINFO
bool "Enable Saving Exception Information"
default n
help
Answer Y to enable LiteOS support saving exception information to storage medium.
config DEBUG_VERSION
bool "Enable a Debug Version"
default n
help
If you do not select this option that means you enable a release version for LiteOS.
It also means you do not want to use debug modules, like shell,telnet,tftp,nfs and
memory check, etc.
If you select this option that means you enable a debug version for LiteOS.
That means you want an opposite behaviour compared to release version.
config DEBUG_KERNEL
bool "Enable Debug LiteOS Kernel Resource"
default n
depends on DEBUG_VERSION
help
If you select this option that means you enable debugging kernel resource.
It also means you want to get queue, mutex, semaphore, memory debug information.
That means you want an opposite behaviour compared to release version.
config DEBUG_QUEUE
bool "Enable Queue Debugging"
default n
depends on DEBUG_KERNEL
help
Answer Y to enable debug queue.
config DEBUG_DEADLOCK
bool "Enable Mutex Deadlock Debugging"
default n
depends on DEBUG_KERNEL
help
Answer Y to enable debug mutex deadlock.
config DEBUG_SEMAPHORE
bool "Enable Semaphore Debugging"
default n
depends on DEBUG_KERNEL
help
Answer Y to enable debug semaphore.
source "shell/Kconfig"
config NET_LWIP_SACK_TFTP
bool "Enable Tftp"
default y
depends on SHELL && NET_LWIP_SACK && DEBUG_VERSION
help
Answer Y to enable LiteOS support tftp cmd and tftp tool.
source "net/telnet/Kconfig"
config SCHED_DEBUG
bool "Enable sched debug Feature"
default n
depends on DEBUG_VERSION
help
If you wish to build LiteOS with support for sched debug.
config USER_INIT_DEBUG
bool "Enable user init Debug"
default n
depends on DEBUG_VERSION
config SHELL_CMD_DEBUG
bool "Enable shell cmd Debug"
default n
depends on DEBUG_VERSION && SHELL
config USB_DEBUG
bool "Enable USB Debug"
default n
depends on SHELL && DRIVERS_USB && DEBUG_VERSION
help
Answer Y to enable LiteOS support usb debug.
use shell command to open the specified debug level print.
config MEM_DEBUG
bool "Enable MEM Debug"
default n
depends on DEBUG_VERSION
help
Answer Y to enable LiteOS support mem debug.
config MEM_LEAKCHECK
bool "Enable Function call stack of Mem operation recorded"
default n
depends on DEBUG_VERSION && MEM_DEBUG
help
Answer Y to enable record the LR of Function call stack of Mem operation, it can check the mem leak through the informations of mem node.
config BASE_MEM_NODE_INTEGRITY_CHECK
bool "Enable integrity check or not"
default n
depends on DEBUG_VERSION && MEM_DEBUG
config MEM_WATERLINE
bool "Enable memory pool waterline or not"
default n
depends on DEBUG_VERSION && MEM_DEBUG
config VM_OVERLAP_CHECK
bool "Enable VM overlap check or not"
default n
depends on DEBUG_VERSION && MEM_DEBUG
help
Answer Y to enable vm overlap check.
endmenu
######################## config options os drivers ########################
menu "Driver"
source "drivers/Kconfig"
endmenu
######################## config options os security #######################
menu "Security"
source "security/Kconfig"
endmenu
menu "Test"
config ENABLE_KERNEL_TEST
bool "Enable Kernel Test"
default n
endmenu
menu "Stack Smashing Protector (SSP) Compiler Feature"
choice
prompt "Enable stack buffer overflow detection"
default CC_STACKPROTECTOR_STRONG
---help---
This option turns on the -fstack-protector GCC feature. This
feature puts, at the beginning of functions, a canary value on
the stack just before the return address, and validates
the value just before actually returning. Stack based buffer
overflows (that need to overwrite this return address) now also
overwrite the canary, which gets detected and the attack is then
neutralized via a kernel panic.
This feature requires gcc version 4.2 or above, or a distribution
gcc with the feature backported. Older versions are automatically
detected and for those versions, this configuration option is
ignored. (and a warning is printed during bootup)
config CC_NO_STACKPROTECTOR
bool "-fno-stack-protector"
config CC_STACKPROTECTOR
bool "-fstack-protector"
config CC_STACKPROTECTOR_STRONG
bool "-fstack-protector-strong"
config CC_STACKPROTECTOR_ALL
bool "-fstack-protector-all"
endchoice
endmenu

28
kernel_liteos_a-OpenHarmony-v3.1.7-Release/LICENSE
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Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of
conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list
of conditions and the following disclaimer in the documentation and/or other materials
provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used
to endorse or promote products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

201
kernel_liteos_a-OpenHarmony-v3.1.7-Release/Makefile
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
LITEOSTOPDIR := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
export LITEOSTOPDIR
APPS = apps
ROOTFS = rootfs
LITEOS_TARGET = liteos
LITEOS_LIBS_TARGET = libs
KCONFIG_CMDS := $(notdir $(wildcard $(dir $(shell which menuconfig))*config))
ohos_kernel ?= liteos_a
$(foreach line,$(shell hb env | sed 's/\[OHOS INFO\]/ohos/g;s/ /_/g;s/:_/=/g' || true),$(eval $(line)))
ifneq ($(ohos_kernel),liteos_a)
$(error The selected product ($(ohos_product)) is not a liteos_a kernel type product)
endif
ifeq ($(PRODUCT_PATH),)
PRODUCT_PATH:=$(ohos_product_path)
endif
ifeq ($(DEVICE_PATH),)
DEVICE_PATH:=$(ohos_device_path)
endif
ifeq ($(TEE:1=y),y)
tee = _tee
endif
ifeq ($(RELEASE:1=y),y)
CONFIG ?= $(PRODUCT_PATH)/kernel_configs/release$(tee).config
else
CONFIG ?= $(PRODUCT_PATH)/kernel_configs/debug$(tee).config
endif
KCONFIG_CONFIG ?= $(CONFIG)
SYSROOT_PATH ?= $(OUT)/sysroot
# export subdir Makefile related environment variables
export SYSROOT_PATH
export PRODUCT_PATH
export DEVICE_PATH
# export kconfig related environment variables
export CONFIG_=LOSCFG_
export srctree=$(LITEOSTOPDIR)
include $(LITEOSTOPDIR)/config.mk
ifeq ($(LOSCFG_STORAGE_SPINOR), y)
FSTYPE = jffs2
endif
ifeq ($(LOSCFG_STORAGE_EMMC), y)
FSTYPE = vfat
endif
ifeq ($(LOSCFG_STORAGE_SPINAND), y)
FSTYPE = yaffs2
endif
ifeq ($(LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7), y)
FSTYPE = jffs2
endif
ROOTFS_DIR = $(OUT)/rootfs
ROOTFS_ZIP = $(OUT)/rootfs.zip
define HELP =
Usage: make [TARGET]... [PARAMETER=VALUE]...
Targets:
help: display this help and exit
clean: clean compiled objects
cleanall: clean all build outputs
all: make liteos kernel image and rootfs image (Default target)
$(APPS): build all apps
$(ROOTFS): make an original rootfs image
$(LITEOS_LIBS_TARGET): compile all kernel modules (libraries)
$(LITEOS_TARGET): make liteos kernel image
update_config: update product kernel config (use menuconfig)
xxconfig: invoke xxconfig command of kconfiglib (xxconfig is one of $(KCONFIG_CMDS))
Parameters:
FSTYPE: value should be one of (jffs2 vfat yaffs2)
TEE: boolean value(1 or y for true), enable tee
RELEASE: boolean value(1 or y for true), build release version
CONFIG: kernel config file to be use
args: arguments for xxconfig command
endef
export HELP
all: $(LITEOS_TARGET) $(ROOTFS)
help:
$(HIDE)echo "$$HELP"
sysroot:
$(HIDE)echo "sysroot:" $(abspath $(SYSROOT_PATH))
ifeq ($(origin SYSROOT_PATH),file)
$(HIDE)mkdir -p $(SYSROOT_PATH)/build && cd $(SYSROOT_PATH)/build && \
ln -snf $(LITEOSTOPDIR)/../../prebuilts/lite/sysroot/build/Makefile && \
$(MAKE) TARGETS=liteos_a_user \
ARCH=$(ARCH) \
TARGET=$(LOSCFG_LLVM_TARGET) \
ARCH_CFLAGS="$(LITEOS_CORE_COPTS) -w" \
TOPDIR="$(LITEOSTOPDIR)/../.." \
SYSROOTDIR="$(SYSROOT_PATH)" \
$(if $(LOSCFG_COMPILER_CLANG_LLVM),CLANG="$(LITEOS_COMPILER_PATH)clang",GCC="$(CC)") \
BUILD_DEBUG=$(if $(patsubst y,,$(or $(RELEASE:1=y),n)),true,false)
endif
$(filter-out menuconfig,$(KCONFIG_CMDS)):
$(HIDE)$@ $(args)
$(LITEOS_CONFIG_FILE): $(KCONFIG_CONFIG)
$(HIDE)env KCONFIG_CONFIG=$< genconfig --config-out $@ --header-path $(LITEOS_MENUCONFIG_H)
update_config menuconfig:
$(HIDE)test -f "$(CONFIG)" && cp -v "$(CONFIG)" .config && menuconfig $(args) && savedefconfig --out "$(CONFIG)"
$(LITEOS_LIBS_TARGET): sysroot
$(HIDE)for dir in $(LIB_SUBDIRS); do $(MAKE) -C $$dir all || exit 1; done
$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET)
$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).map
#$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).objsize
$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).bin
$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).sym.sorted
$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).asm
#$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).size
$(OUT)/$(LITEOS_TARGET): $(LITEOS_LIBS_TARGET)
$(LD) $(LITEOS_LDFLAGS) $(LITEOS_TABLES_LDFLAGS) -Map=$@.map -o $@ --start-group $(LITEOS_LIBDEP) --end-group
$(OUT)/$(LITEOS_TARGET).map: $(OUT)/$(LITEOS_TARGET)
$(OUT)/$(LITEOS_TARGET).objsize: $(LITEOS_LIBS_TARGET)
$(SIZE) -t --common $(OUT)/lib/*.a >$@
$(OUT)/$(LITEOS_TARGET).bin: $(OUT)/$(LITEOS_TARGET)
$(OBJCOPY) -O binary $< $@
$(OUT)/$(LITEOS_TARGET).sym.sorted: $(OUT)/$(LITEOS_TARGET)
$(OBJDUMP) -t $< |sort >$@
$(OUT)/$(LITEOS_TARGET).asm: $(OUT)/$(LITEOS_TARGET)
$(OBJDUMP) -d $< >$@
$(OUT)/$(LITEOS_TARGET).size: $(OUT)/$(LITEOS_TARGET)
$(NM) -S --size-sort $< >$@
$(APPS): sysroot
$(HIDE)$(MAKE) -C apps all
$(ROOTFS): $(APPS)
$(HIDE)mkdir -p $(OUT)/musl
ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
$(HIDE)cp -fp $$($(CC) $(LITEOS_CFLAGS) -print-file-name=libc.so) $(OUT)/musl
$(HIDE)cp -fp $$($(GPP) $(LITEOS_CXXFLAGS) -print-file-name=libc++.so) $(OUT)/musl
else
$(HIDE)cp -fp $$($(CC) $(LITEOS_CFLAGS) -print-file-name=libc.so) $(OUT)/musl
$(HIDE)cp -fp $$($(CC) $(LITEOS_CFLAGS) -print-file-name=libgcc_s.so.1) $(OUT)/musl
$(HIDE)cp -fp $$($(GPP) $(LITEOS_CXXFLAGS) -print-file-name=libstdc++.so.6) $(OUT)/musl
endif
$(HIDE)$(LITEOS_SCRIPTPATH)/make_rootfs/rootfsdir.sh $(OUT) $(ROOTFS_DIR)
$(HIDE)shopt -s nullglob && $(STRIP) $(ROOTFS_DIR)/bin/* $(ROOTFS_DIR)/lib/*
ifneq ($(VERSION),)
$(HIDE)$(LITEOS_SCRIPTPATH)/make_rootfs/releaseinfo.sh "$(VERSION)" $(ROOTFS_DIR)
endif
$(HIDE)$(LITEOS_SCRIPTPATH)/make_rootfs/rootfsimg.sh $(ROOTFS_DIR) $(FSTYPE)
$(HIDE)cd $(ROOTFS_DIR)/.. && zip -r $(ROOTFS_ZIP) $(ROOTFS)
clean:
$(HIDE)if [ -d $(SYSROOT_PATH)/build ]; then $(MAKE) -C $(SYSROOT_PATH)/build clean; fi
$(HIDE)for dir in $(LIB_SUBDIRS) apps; do $(MAKE) -C $$dir clean || exit 1; done
$(HIDE)$(RM) $(LITEOS_MENUCONFIG_H)
$(HIDE)echo "clean $(LOSCFG_PLATFORM) finish"
cleanall: clean
$(HIDE)$(RM) $(LITEOSTOPDIR)/out $(LITEOS_CONFIG_FILE)
$(HIDE)echo "clean all done"
.PHONY: all clean cleanall sysroot help update_config
.PHONY: $(LITEOS_TARGET) $(ROOTFS) $(APPS) $(KCONFIG_CMDS) $(LITEOS_LIBS_TARGET) $(KCONFIG_CONFIG)

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<?xml version="1.0" encoding="UTF-8"?>
<!-- Copyright (c) 2021 Huawei Device Co., Ltd.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<!--
This is the configuration file template for OpenHarmony OSS Audit Tool, please copy it to your project root dir and modify it refer to OpenHarmony/tools_oat/README.
-->
<configuration>
<oatconfig>
<licensefile></licensefile>
<policylist>
<policy name="projectPolicy" desc="">
<policyitem type="copyright" name="Huawei Technologies Co., Ltd. All rights reserved." path=".*" desc="original liteos copyright"/>
<policyitem type="license" name="BSD-3-Clause" path=".*" desc="Liteos kernel use bsd3 license"/>
</policy>
</policylist>
<filefilterlist>
<filefilter name="defaultFilter" desc="文件属于FreeBSD仓库软连接，本仓库屏蔽告警，在FreeBSD仓库进行处理">
<filteritem type="filepath" name="bsd/.*" desc="文件属于FreeBSD仓库软连接，本仓库屏蔽告警，在FreeBSD仓库进行处理"/>
<filteritem type="filepath" name="kernel/extended" desc="文件属于Nuttx仓库软连接，本仓库屏蔽告警，在Nuttx仓库进行处理"/>
<filteritem type="filepath" name="fs/include/fs" desc="文件属于Nuttx仓库软连接，本仓库屏蔽告警，在Nuttx仓库进行处理"/>
</filefilter>
<filefilter name="defaultFilter" desc="Files not to check">
<!--filteritem type="filename" name="*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="abcdefg/.*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="projectroot/[a-zA-Z0-9]{20,}.sh" desc="Temp files"/-->
</filefilter>
<filefilter name="defaultPolicyFilter" desc="Filters for compatibility，license header policies">
<!--filteritem type="filename" name="*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="abcdefg/.*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="projectroot/[a-zA-Z0-9]{20,}.sh" desc="Temp files"/-->
</filefilter>
<filefilter name="copyrightPolicyFilter" desc="Filters for copyright header policies">
<!--filteritem type="filename" name="*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="abcdefg/.*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="projectroot/[a-zA-Z0-9]{20,}.sh" desc="Temp files"/-->
</filefilter>
<filefilter name="licenseFileNamePolicyFilter" desc="Filters for LICENSE file policies">
<!--filteritem type="filename" name="*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="abcdefg/.*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="projectroot/[a-zA-Z0-9]{20,}.sh" desc="Temp files"/-->
</filefilter>
<filefilter name="readmeFileNamePolicyFilter" desc="Filters for README file policies">
<!--filteritem type="filename" name="*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="abcdefg/.*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="projectroot/[a-zA-Z0-9]{20,}.sh" desc="Temp files"/-->
</filefilter>
<filefilter name="readmeOpenSourcefileNamePolicyFilter" desc="Filters for README.OpenSource file policies">
<!--filteritem type="filename" name="*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="abcdefg/.*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="projectroot/[a-zA-Z0-9]{20,}.sh" desc="Temp files"/-->
</filefilter>
<filefilter name="binaryFileTypePolicyFilter" desc="Filters for binary file policies">
<!--filteritem type="filename" name="*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="abcdefg/.*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
<!--filteritem type="filepath" name="projectroot/[a-zA-Z0-9]{20,}.sh" desc="Temp files"/-->
</filefilter>
</filefilterlist>
<licensematcherlist>
<!--licensematcher name="uvwxyz License" desc="If the scanning result is InvalidLicense, you can define matching rules here. Note that quotation marks must be escaped.">
<licensetext name="
uvwxyz license textA xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
" desc=""/>
<licensetext name="
uvwxyz license textB xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
" desc=""/>
</licensematcher-->
</licensematcherlist>
</oatconfig>
</configuration>

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# LiteOS Cortex-A<a name="EN-US_TOPIC_0000001096612501"></a>
- [Introduction](#section11660541593)
- [Directory Structure](#section161941989596)
- [Constraints](#section119744591305)
- [Usage](#section741617511812)
- [Preparations](#section1579912573329)
- [Source Code Acquisition](#section11443189655)
- [Compilation and Building](#section2081013992812)
- [Repositories Involved](#section1371113476307)
## Introduction<a name="section11660541593"></a>
The OpenHarmony LiteOS Cortex-A is a new-generation kernel developed based on the Huawei LiteOS kernel. Huawei LiteOS is a lightweight operating system \(OS\) built for the Internet of Things \(IoT\) field. With the rapid development of the IoT industry, OpenHarmony LiteOS Cortex-A brings small-sized, low-power, and high-performance experience and builds a unified and open ecosystem for developers. In addition, it provides rich kernel mechanisms, more comprehensive Portable Operating System Interface \(POSIX\), and a unified driver framework, Hardware Driver Foundation \(HDF\), which offers unified access for device developers and friendly development experience for application developers. [Figure 1](#fig27311582210) shows the architecture of the OpenHarmony LiteOS Cortex-A kernel.
**Figure 1** Architecture of the OpenHarmony LiteOS Cortex-A kernel<a name="fig27311582210"></a>
![](figures/architecture-of-the-openharmony-liteos-cortex-a-kernel.png "architecture-of-the-openharmony-liteos-cortex-a-kernel")
## Directory Structure<a name="section161941989596"></a>
```
/kernel/liteos_a
├── apps # User-space init and shell application programs
├── arch # System architecture, such as ARM
│ └── arm # Code for ARM architecture
├── bsd # Code of the driver and adaptation layer module related to the FreeBSD, such as the USB module
├── compat # Kernel API compatibility
│ └── posix # POSIX APIs
├── drivers # Kernel drivers
│ └── char # Character device
│ ├── mem # Driver for accessing physical input/output (I/O) devices
│ ├── quickstart # APIs for quick start of the system
│ ├── random # Driver for random number generators
│ └── video # Framework of the framebuffer driver
├── fs # File system module, which mainly derives from the NuttX open-source project
│ ├── fat # FAT file system
│ ├── jffs2 # JFFS2 file system
│ ├── include # Header files exposed externally
│ ├── nfs # NFS file system
│ ├── proc # proc file system
│ ├── ramfs # RAMFS file system
│ └── vfs # VFS layer
├── kernel # Kernel modules including the process, memory, and IPC modules
│ ├── base # Basic kernel modules including the scheduling and memory modules
│ ├── common # Common components used by the kernel
│ ├── extended # Extended kernel modules including the dynamic loading, vDSO, and LiteIPC modules
│ ├── include # Header files exposed externally
│ └── user # Init process loading
├── lib # Kernel library
├── net # Network module, which mainly derives from the lwIP open-source project
├── platform # Code for supporting different systems on a chip (SOCs), such as Hi3516D V300
│ ├── hw # Logic code related to clocks and interrupts
│ ├── include # Header files exposed externally
│ └── uart # Logic code related to the serial port
├── platform # Code for supporting different systems on a chip (SOCs), such as Hi3516D V300
├── security # Code related to security features, including process permission management and virtual ID mapping management
├── syscall # System calling
└── tools # Building tools as well as related configuration and code
```
## Constraints<a name="section119744591305"></a>
- Programming languages: C and C++
- Applicable development boards: Hi3516D V300
- Hi3516D V300 uses the FAT file system by default.
## Usage<a name="section741617511812"></a>
OpenHarmony LiteOS Cortex-A supports the [Hi3516D V300](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-introduction-hi3516.md). You can develop and run your applications based on this development board.
### Preparations<a name="section1579912573329"></a>
You need to set up the compilation environment on Linux.
- [Setting Up Ubuntu Development Environment](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-env-setup.md)
- For Hi3516D V300, see [Setting Up the Hi3516 Development Environment](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-steps-hi3516-setting.md).
### Source Code Acquisition<a name="section11443189655"></a>
Download and decompress a set of source code on a Linux server to acquire the [source code](https://gitee.com/openharmony/docs/blob/master/en/device-dev/get-code/sourcecode-acquire.md).
### Compilation and Building<a name="section2081013992812"></a>
For details about how to develop the first application, see:
- [Developing the First Example Program Running on Hi3516](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-steps-hi3516-running.md)
## Repositories Involved<a name="section1371113476307"></a>
[Kernel subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/kernel.md)
[drivers\_liteos](https://gitee.com/openharmony/drivers_liteos/blob/master/README.md)
[kernel\_liteos\_a](https://gitee.com/openharmony/kernel_liteos_a/blob/master/README.md)

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# LiteOS-A內核<a name="ZH-CN_TOPIC_0000001096612501"></a>
- [簡介](#section11660541593)
- [目錄](#section161941989596)
- [約束](#section119744591305)
- [使用說明](#section741617511812)
- [準備](#section1579912573329)
- [獲取源碼](#section11443189655)
- [編譯構建](#section2081013992812)
- [相關倉](#section1371113476307)
## 簡介<a name="section11660541593"></a>
OpenHarmony LiteOS-A內核是基於Huawei LiteOS內核演進發展的新一代內核，Huawei LiteOS是面向IoT領域構建的輕量級物聯網操作系統。在IoT產業高速發展的潮流中，OpenHarmony LiteOS-A內核能夠帶給用戶小體積、低功耗、高性能的體驗以及統一開放的生態系統能力，新增了豐富的內核機制、更加全面的POSIX標準接口以及統一驅動框架**HDF**（OpenHarmony Driver Foundation）等，為設備廠商提供了更統一的接入方式，為OpenHarmony的應用開發者提供了更友好的開發體驗。圖1為OpenHarmony LiteOS-A內核架構圖：
**圖 1** OpenHarmony LiteOS-A內核架構圖<a name="fig27311582210"></a>
![](figures/OpenHarmony-LiteOS-A内核架构图.png "OpenHarmony-LiteOS-A內核架構圖")
## 目錄<a name="section161941989596"></a>
```
/kernel/liteos_a
├── apps # 用戶態的init和shell應用程序
├── arch # 體系架構的目錄，如arm等
│ └── arm # arm架構代碼
├── bsd # freebsd相關的驅動和適配層模塊代碼引入，例如USB等
├── compat # 內核接口兼容性目錄
│ └── posix # posix相關接口
├── drivers # 內核驅動
│ └── char # 字符設備
│ ├── mem # 訪問物理IO設備驅動
│ ├── quickstart # 系統快速啟動接口目錄
│ ├── random # 隨機數設備驅動
│ └── video # framebuffer驅動框架
├── fs # 文件系統模塊，主要來源於NuttX開源項目
│ ├── fat # fat文件系統
│ ├── jffs2 # jffs2文件系統
│ ├── include # 對外暴露頭文件存放目錄
│ ├── nfs # nfs文件系統
│ ├── proc # proc文件系統
│ ├── ramfs # ramfs文件系統
│ └── vfs # vfs層
├── kernel # 進程、內存、IPC等模塊
│ ├── base # 基礎內核，包括調度、內存等模塊
│ ├── common # 內核通用組件
│ ├── extended # 擴展內核，包括動態加載、vdso、liteipc等模塊
│ ├── include # 對外暴露頭文件存放目錄
│ └── user # 加載init進程
├── lib # 內核的lib庫
├── net # 網絡模塊，主要來源於lwip開源項目
├── platform # 支持不同的芯片平台代碼，如Hi3516DV300等
│ ├── hw # 時鐘與中斷相關邏輯代碼
│ ├── include # 對外暴露頭文件存放目錄
│ └── uart # 串口相關邏輯代碼
├── security # 安全特性相關的代碼，包括進程權限管理和虛擬id映射管理
├── syscall # 系統調用
└── tools # 構建工具及相關配置和代碼
```
## 約束<a name="section119744591305"></a>
- 開發語言：C/C++；
- 適用於Hi3516DV300單板；
- Hi3516DV300默認使用FAT文件系統。
## 使用說明<a name="section741617511812"></a>
OpenHarmony LiteOS-A內核支持Hi3516DV300（[介紹](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-introduction-hi3516.md)）單板，開發者可基於此單板開發運行自己的應用程序。
### 準備<a name="section1579912573329"></a>
開發者需要在Linux上搭建編譯環境：
- [編譯環境凖備](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-env-setup.md);
- Hi3516DV300單板：參考[環境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-setting.md)。
### 獲取源碼<a name="section11443189655"></a>
在Linux服務器上下載並解壓一套源代碼，源碼獲取方式參考[源碼獲取](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/get-code/sourcecode-acquire.md)。
### 編譯構建<a name="section2081013992812"></a>
開發者開發第一個應用程序可參考：
- [helloworld for Hi3516DV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-running.md)。
## 相關倉<a name="section1371113476307"></a>
[內核子系統](https://gitee.com/openharmony/docs/blob/master/zh-cn/readme/%E5%86%85%E6%A0%B8%E5%AD%90%E7%B3%BB%E7%BB%9F.md)
[drivers\_liteos](https://gitee.com/openharmony/drivers_liteos/blob/master/README_zh.md)
[kernel\_liteos\_a](https://gitee.com/openharmony/kernel_liteos_a/blob/master/README_zh-HK.md)

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# LiteOS-A内核<a name="ZH-CN_TOPIC_0000001096612501"></a>
- [简介](#section11660541593)
- [目录](#section161941989596)
- [约束](#section119744591305)
- [使用说明](#section741617511812)
- [准备](#section1579912573329)
- [获取源码](#section11443189655)
- [编译构建](#section2081013992812)
- [相关仓](#section1371113476307)
## 简介<a name="section11660541593"></a>
OpenHarmony LiteOS-A内核是基于Huawei LiteOS内核演进发展的新一代内核，Huawei LiteOS是面向IoT领域构建的轻量级物联网操作系统。在IoT产业高速发展的潮流中，OpenHarmony LiteOS-A内核能够带给用户小体积、低功耗、高性能的体验以及统一开放的生态系统能力，新增了丰富的内核机制、更加全面的POSIX标准接口以及统一驱动框架**HDF**（OpenHarmony Driver Foundation）等，为设备厂商提供了更统一的接入方式，为OpenHarmony的应用开发者提供了更友好的开发体验。图1为OpenHarmony LiteOS-A内核架构图：
**图 1** OpenHarmony LiteOS-A内核架构图<a name="fig27311582210"></a>
![](figures/OpenHarmony-LiteOS-A内核架构图.png "OpenHarmony-LiteOS-A内核架构图")
## 目录<a name="section161941989596"></a>
```
/kernel/liteos_a
├── apps # 用户态的init和shell应用程序
├── arch # 体系架构的目录，如arm等
│ └── arm # arm架构代码
├── bsd # freebsd相关的驱动和适配层模块代码引入，例如USB等
├── compat # 内核接口兼容性目录
│ └── posix # posix相关接口
├── drivers # 内核驱动
│ └── char # 字符设备
│ ├── mem # 访问物理IO设备驱动
│ ├── quickstart # 系统快速启动接口目录
│ ├── random # 随机数设备驱动
│ └── video # framebuffer驱动框架
├── fs # 文件系统模块，主要来源于NuttX开源项目
│ ├── fat # fat文件系统
│ ├── jffs2 # jffs2文件系统
│ ├── include # 对外暴露头文件存放目录
│ ├── nfs # nfs文件系统
│ ├── proc # proc文件系统
│ ├── ramfs # ramfs文件系统
│ └── vfs # vfs层
├── kernel # 进程、内存、IPC等模块
│ ├── base # 基础内核，包括调度、内存等模块
│ ├── common # 内核通用组件
│ ├── extended # 扩展内核，包括动态加载、vdso、liteipc等模块
│ ├── include # 对外暴露头文件存放目录
│ └── user # 加载init进程
├── lib # 内核的lib库
├── net # 网络模块，主要来源于lwip开源项目
├── platform # 支持不同的芯片平台代码，如Hi3516DV300等
│ ├── hw # 时钟与中断相关逻辑代码
│ ├── include # 对外暴露头文件存放目录
│ └── uart # 串口相关逻辑代码
├── security # 安全特性相关的代码，包括进程权限管理和虚拟id映射管理
├── syscall # 系统调用
└── tools # 构建工具及相关配置和代码
```
## 约束<a name="section119744591305"></a>
- 开发语言：C/C++；
- 适用于Hi3516DV300单板；
- Hi3516DV300默认使用FAT文件系统。
## 使用说明<a name="section741617511812"></a>
OpenHarmony LiteOS-A内核支持[Hi3516DV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-introduction-hi3516.md)单板。开发者可基于此单板开发运行自己的应用程序。
### 准备<a name="section1579912573329"></a>
开发者需要在Linux上搭建编译环境：
- [编译环境准备](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-env-setup.md);
- Hi3516DV300单板：参考[环境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-setting.md)。
### 获取源码<a name="section11443189655"></a>
在Linux服务器上下载并解压一套源代码，源码获取方式参考[源码获取](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/get-code/sourcecode-acquire.md)。
### 编译构建<a name="section2081013992812"></a>
开发者开发第一个应用程序可参考：
- [helloworld for Hi3516DV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-running.md)。
## 相关仓<a name="section1371113476307"></a>
[内核子系统](https://gitee.com/openharmony/docs/blob/master/zh-cn/readme/%E5%86%85%E6%A0%B8%E5%AD%90%E7%B3%BB%E7%BB%9F.md)
[drivers\_liteos](https://gitee.com/openharmony/drivers_liteos/blob/master/README_zh.md)
[kernel\_liteos\_a](https://gitee.com/openharmony/kernel_liteos_a/blob/master/README_zh.md)

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/BUILD.gn
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//kernel/liteos_a/liteos.gni")
group("apps") {
deps = []
if (defined(LOSCFG_SHELL)) {
deps += [
"mksh",
"shell",
"toybox",
]
}
if (defined(LOSCFG_USER_INIT_DEBUG)) {
deps += [ "init" ]
}
if (defined(LOSCFG_NET_LWIP_SACK_TFTP)) {
deps += [ "tftp" ]
}
if (defined(LOSCFG_DRIVERS_TRACE)) {
deps += [ "trace" ]
}
if (defined(LOSCFG_DRIVERS_PERF)) {
deps += [ "perf" ]
}
if (defined(LOSCFG_KERNEL_LMS)) {
deps += [ "lms:sample_usr_lms" ]
}
}

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/Makefile
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
APPSTOPDIR := $(shell pwd)
LITEOSTOPDIR ?= $(APPSTOPDIR)/..
export LITEOSTOPDIR
export APPSTOPDIR
include $(APPSTOPDIR)/config.mk
all clean:
$(HIDE) for dir in $(APP_SUBDIRS); do $(MAKE) -C $$dir $@ || exit 1; done
.PHONY: all clean

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/app.mk
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
override TARGET = $(OUT)/bin/$(APP_NAME)
include $(MODULE)

75
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/config.mk
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
include $(LITEOSTOPDIR)/config.mk
# common flags config
BASE_OPTS := -D_FORTIFY_SOURCE=2 -D_XOPEN_SOURCE=700
ASFLAGS :=
CFLAGS := $(LITEOS_COPTS) $(BASE_OPTS) -fPIE
CXXFLAGS := $(LITEOS_CXXOPTS) $(BASE_OPTS) -fPIE
LDFLAGS := $(LITEOS_CORE_COPTS) -pie -Wl,-z,relro,-z,now -O2
CFLAGS := $(filter-out -fno-pic -fno-builtin -nostdinc -nostdlib,$(CFLAGS))
CXXFLAGS := $(filter-out -fno-pic -fno-builtin -nostdinc -nostdlib -nostdinc++,$(CXXFLAGS))
# alias variable config
HIDE := @
MAKE := make
RM := rm -rf
CP := cp -rf
MV := mv -f
APP := $(APPSTOPDIR)/app.mk
##build modules config##
APP_SUBDIRS :=
ifeq ($(LOSCFG_SHELL), y)
APP_SUBDIRS += shell
APP_SUBDIRS += mksh
APP_SUBDIRS += toybox
endif
ifeq ($(LOSCFG_USER_INIT_DEBUG), y)
APP_SUBDIRS += init
endif
ifeq ($(LOSCFG_NET_LWIP_SACK_TFTP), y)
APP_SUBDIRS += tftp
endif
ifeq ($(LOSCFG_DRIVERS_TRACE), y)
APP_SUBDIRS += trace
endif
ifeq ($(LOSCFG_DRIVERS_PERF), y)
APP_SUBDIRS += perf
endif

39
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/init/BUILD.gn
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//kernel/liteos_a/liteos.gni")
executable("init") {
sources = [ "src/init.c" ]
if (defined(LOSCFG_QUICK_START)) {
ldflags = [ "--static" ]
defines = [ "LOSCFG_QUICK_START" ]
}
}

41
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/init/Makefile
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
include $(APPSTOPDIR)/config.mk
APP_NAME := $(notdir $(shell pwd))
LOCAL_SRCS := src/init.c
ifeq ($(LOSCFG_QUICK_START), y)
LDFLAGS += --static
CFLAGS += -DLOSCFG_QUICK_START
endif
include $(APP)

99
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/init/src/init.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <sys/wait.h>
#ifdef LOSCFG_QUICK_START
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#define QUICKSTART_IOC_MAGIC 'T'
#define QUICKSTART_INITSTEP2 _IO(QUICKSTART_IOC_MAGIC, 0)
#define WAIT_FOR_SAMPLE 300000 // wait 300ms for sample
#endif
int main(int argc, char * const *argv)
{
(void)argv;
int ret;
pid_t gid;
const char *shellPath = "/bin/mksh";
#ifdef LOSCFG_QUICK_START
const char *samplePath = "/dev/shm/sample_quickstart";
ret = fork();
if (ret < 0) {
printf("Failed to fork for sample_quickstart\n");
} else if (ret == 0) {
(void)execve(samplePath, NULL, NULL);
exit(0);
}
usleep(WAIT_FOR_SAMPLE);
int fd = open("/dev/quickstart", O_RDONLY);
if (fd != -1) {
ioctl(fd, QUICKSTART_INITSTEP2);
close(fd);
}
#endif
ret = fork();
if (ret < 0) {
printf("Failed to fork for shell\n");
} else if (ret == 0) {
gid = getpgrp();
if (gid < 0) {
printf("get group id failed, pgrpid %d, errno %d\n", gid, errno);
exit(0);
}
ret = tcsetpgrp(STDIN_FILENO, gid);
if (ret != 0) {
printf("tcsetpgrp failed, errno %d\n", errno);
exit(0);
}
(void)execve(shellPath, NULL, NULL);
exit(0);
}
while (1) {
ret = waitpid(-1, 0, WNOHANG);
if (ret == 0) {
sleep(1);
}
};
}

77
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/lms/BUILD.gn
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//build/lite/config/component/lite_component.gni")
lite_component("LMS-Sample") {
features = [ ":sample_usr_lms" ]
}
executable("sample_usr_lms") {
output_name = "sample_usr_lms"
sources = [ "src/sample_usr_lms.c" ]
include_dirs = []
defines = []
if (ohos_build_compiler == "gcc") {
cflags_c = [
"-O0",
"-fsanitize=kernel-address",
"-funwind-tables",
"-fasynchronous-unwind-tables",
]
} else {
cflags_c = [
"-O0",
"-fsanitize=kernel-address",
"-mllvm",
"-asan-instrumentation-with-call-threshold=0",
"-mllvm",
"-asan-stack=0",
"-mllvm",
"-asan-globals=0",
"-funwind-tables",
"-fasynchronous-unwind-tables",
]
}
ldflags = [
"-rdynamic",
"-lunwind",
"-lusrlms",
"-Wl,--wrap=realloc",
"-Wl,--wrap=calloc",
"-Wl,--wrap=malloc",
"-Wl,--wrap=free",
"-Wl,--wrap=valloc",
"-Wl,--wrap=aligned_alloc",
"-Wl,--wrap=memset",
"-Wl,--wrap=memcpy",
"-Wl,--wrap=memmove",
"-Wl,--wrap=strcpy",
"-Wl,--wrap=strcat",
]
deps = [ "//kernel/liteos_a/kernel/extended/lms/usr:usrlmslib" ]
}

248
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/lms/src/sample_usr_lms.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static void BufWriteTest(void *buf, int start, int end)
{
for (int i = start; i <= end; i++) {
((char *)buf)[i] = 'a';
}
}
static void BufReadTest(void *buf, int start, int end)
{
char tmp;
for (int i = start; i <= end; i++) {
tmp = ((char *)buf)[i];
}
}
static void LmsMallocTest(void)
{
#define TEST_SIZE 16
printf("\n-------- LmsMallocTest Start --------\n");
char *buf = (char *)malloc(TEST_SIZE);
if (buf == NULL) {
return;
}
printf("[LmsMallocTest] read overflow & underflow error should be triggered, read range[-1, TEST_SIZE]\n");
BufReadTest(buf, -1, TEST_SIZE);
printf("[LmsMallocTest] write overflow error should be triggered, write range[0, TEST_SIZE]\n");
BufWriteTest(buf, 0, TEST_SIZE);
free(buf);
printf("\n-------- LmsMallocTest End --------\n");
}
static void LmsReallocTest(void)
{
#define TEST_SIZE 64
#define TEST_SIZE_MIN 32
printf("\n-------- LmsReallocTest Start --------\n");
char *buf = (char *)malloc(TEST_SIZE);
printf("[LmsReallocTest] read overflow & underflow error should be triggered, read range[-1, TEST_SIZE]\n");
BufReadTest(buf, -1, TEST_SIZE);
char *buf1 = (char *)realloc(buf, TEST_SIZE_MIN);
if (buf1 == NULL) {
free(buf);
return;
}
buf = NULL;
printf("[LmsReallocTest] read overflow & underflow error should be triggered, read range[-1, TEST_SIZE_MIN]\n");
BufReadTest(buf1, -1, TEST_SIZE_MIN);
free(buf1);
printf("\n-------- LmsReallocTest End --------\n");
}
static void LmsCallocTest(void)
{
#define TEST_SIZE 16
printf("\n-------- LmsCallocTest Start --------\n");
char *buf = (char *)calloc(4, 4); /* 4: test size */
if (buf == NULL) {
return;
}
printf("[LmsCallocTest] read overflow & underflow error should be triggered, read range[-1, TEST_SIZE]\n");
BufReadTest(buf, -1, TEST_SIZE);
free(buf);
printf("\n-------- LmsCallocTest End --------\n");
}
static void LmsVallocTest(void)
{
#define TEST_SIZE 4096
printf("\n-------- LmsVallocTest Start --------\n");
char *buf = (char *)valloc(TEST_SIZE);
if (buf == NULL) {
return;
}
printf("[LmsVallocTest] read overflow & underflow error should be triggered, read range[-1, TEST_SIZE]\n");
BufReadTest(buf, -1, TEST_SIZE);
free(buf);
printf("\n-------- LmsVallocTest End --------\n");
}
static void LmsAlignedAllocTest(void)
{
#define TEST_ALIGN_SIZE 64
#define TEST_SIZE 128
printf("\n-------- LmsAlignedAllocTest Start --------\n");
char *buf = (char *)aligned_alloc(TEST_ALIGN_SIZE, TEST_SIZE);
if (buf == NULL) {
return;
}
printf("[LmsAlignedAllocTest] read overflow & underflow error should be triggered, read range[-1,128]\n");
BufReadTest(buf, -1, 128);
free(buf);
printf("\n-------- LmsAlignedAllocTest End --------\n");
}
static void LmsMemsetTest(void)
{
#define TEST_SIZE 32
printf("\n-------- LmsMemsetTest Start --------\n");
char *buf = (char *)malloc(TEST_SIZE);
if (buf == NULL) {
return;
}
printf("[LmsMemsetTest] memset overflow & underflow error should be triggered, memset size:%d\n", TEST_SIZE + 1);
memset(buf, 0, TEST_SIZE + 1);
free(buf);
printf("\n-------- LmsMemsetTest End --------\n");
}
static void LmsMemcpyTest(void)
{
#define TEST_SIZE 20
printf("\n-------- LmsMemcpyTest Start --------\n");
char *buf = (char *)malloc(TEST_SIZE);
if (buf == NULL) {
return;
}
char localBuf[32] = {0}; /* 32: test size */
printf("[LmsMemcpyTest] memcpy overflow error should be triggered, memcpy size:%d\n", TEST_SIZE + 1);
memcpy(buf, localBuf, TEST_SIZE + 1);
free(buf);
printf("\n-------- LmsMemcpyTest End --------\n");
}
static void LmsMemmoveTest(void)
{
#define TEST_SIZE 20
printf("\n-------- LmsMemmoveTest Start --------\n");
char *buf = (char *)malloc(TEST_SIZE);
if (buf == NULL) {
return;
}
printf("[LmsMemmoveTest] memmove overflow error should be triggered\n");
memmove(buf + 12, buf, 10); /* 12 and 10: test size */
free(buf);
printf("\n-------- LmsMemmoveTest End --------\n");
}
static void LmsStrcpyTest(void)
{
#define TEST_SIZE 16
printf("\n-------- LmsStrcpyTest Start --------\n");
char *buf = (char *)malloc(TEST_SIZE);
if (buf == NULL) {
return;
}
char *testStr = "bbbbbbbbbbbbbbbbb";
printf("[LmsStrcpyTest] strcpy overflow error should be triggered, src string buf size:%d\n", strlen(testStr) + 1);
strcpy(buf, testStr);
free(buf);
printf("\n-------- LmsStrcpyTest End --------\n");
}
static void LmsStrcatTest(void)
{
#define TEST_SIZE 16
printf("\n-------- LmsStrcatTest Start --------\n");
char *buf = (char *)malloc(TEST_SIZE);
if (buf == NULL) {
return;
}
buf[0] = 'a';
buf[1] = 'b';
buf[2] = 0;
char *testStr = "cccccccccccccc";
printf("[LmsStrcatTest] strcat overflow error should be triggered, src string:%s dest string:%s"
"total buf size:%d\n",
testStr, buf, strlen(testStr) + strlen(buf) + 1);
strcat(buf, testStr);
free(buf);
printf("\n-------- LmsStrcatTest End --------\n");
}
static void LmsFreeTest(void)
{
#define TEST_SIZE 16
printf("\n-------- LmsFreeTest Start --------\n");
char *buf = (char *)malloc(TEST_SIZE);
if (buf == NULL) {
return;
}
printf("[LmsFreeTest] free size:%d\n", TEST_SIZE);
free(buf);
printf("[LmsFreeTest] Use after free error should be triggered, read range[1,1]\n");
BufReadTest(buf, 1, 1);
printf("[LmsFreeTest] double free error should be triggered\n");
free(buf);
printf("\n-------- LmsFreeTest End --------\n");
}
int main(int argc, char * const *argv)
{
(void)argc;
(void)argv;
printf("\n############### Lms Test start ###############\n");
char *tmp = (char *)malloc(5000); /* 5000: test mem size */
if (tmp == NULL) {
return;
}
LmsMallocTest();
LmsReallocTest();
LmsCallocTest();
LmsVallocTest();
LmsAlignedAllocTest();
LmsMemsetTest();
LmsMemcpyTest();
LmsMemmoveTest();
LmsStrcpyTest();
LmsStrcatTest();
LmsFreeTest();
free(tmp);
printf("\n############### Lms Test End ###############\n");
}

100
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/mksh/BUILD.gn
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//build/lite/config/component/lite_component.gni")
import("//kernel/liteos_a/liteos.gni")
import("//third_party/mksh/mksh.gni")
group("mksh") {
deps = [ ":build_mksh" ]
}
copy("copy_mksh_src") {
sources = MKSH_SRC_DIR
outputs = [ "$target_out_dir/mksh_build" ]
}
build_ext_component("build_mksh") {
deps = [ ":copy_mksh_src" ]
deps += [ "//prebuilts/lite/sysroot" ]
exec_path = rebase_path("$target_out_dir/mksh_build")
cflags = [
"-flto",
"-fdata-sections",
"-ffunction-sections",
"-fstack-protector-strong",
"-D_FORTIFY_SOURCE=2",
"-DMKSH_DISABLE_TTY_WARNING",
"-DMKSH_SMALL=1",
"-DMKSH_ASSUME_UTF8=1",
"-DMKSH_SMALL_BUT_FAST=0",
"-DMKSH_S_NOVI=1",
"-DHAVE_CAN_FSTACKPROTECTORSTRONG=1",
"-DMKSH_LESS_CMDLINE_EDITING",
"-DMKSH_LESS_BUILDINS",
"-DMKSH_NO_INITCOMS",
"-DADAPT_FOR_LITEOS_A",
]
if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
cflags += [ "-Oz" ]
} else {
cflags += [ "-O2" ]
}
cflags = string_join(" ", cflags)
extra_flags = string_join(" ", target_arch_cflags)
if (ohos_build_compiler == "clang") {
extra_flags += " --target=$target_triple"
extra_flags += " --sysroot=" + rebase_path(ohos_current_sysroot)
}
command = "rm -rf .git && env"
command += " CC=\"$ohos_current_cc_command\""
command += " TARGET_OS=OpenHarmony"
command += " CFLAGS=\"$cflags $extra_flags\""
command += " LDFLAGS=\"-Wl,--gc-sections -flto -O2\""
command += " sh ./Build.sh -r"
# copy mksh and .mkshrc to out dir
command += " && mkdir -p "
command += rebase_path("$root_out_dir/bin", exec_path)
command += " && install -D mksh "
command += rebase_path("$root_out_dir/unstripped/bin/mksh", exec_path)
command += " && $ohos_current_strip_command mksh -o "
command += rebase_path("$root_out_dir/bin/mksh", exec_path)
command += " && install -D .mkshrc "
command += rebase_path("$root_out_dir/etc/.mkshrc", exec_path)
outputs = [
"$root_out_dir/unstripped/bin/mksh",
"$root_out_dir/bin/mksh",
"$root_out_dir/etc/.mkshrc",
]
}

56
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/mksh/Makefile
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
include $(APPSTOPDIR)/config.mk
BUILD_DIR := $(OUT)/mksh_build
BUILD_LOG := $(BUILD_DIR)/build.log
CFLAGS += -DMKSH_DISABLE_TTY_WARNING -DMKSH_SMALL=1 -DMKSH_ASSUME_UTF8=1 -DMKSH_SMALL_BUT_FAST=0 -DMKSH_S_NOVI=1 -DHAVE_CAN_FSTACKPROTECTORSTRONG=1
CFLAGS += -DMKSH_LESS_CMDLINE_EDITING -DMKSH_LESS_BUILDINS -DMKSH_NO_INITCOMS -DADAPT_FOR_LITEOS_A
CFLAGS += -Wno-error
LDFLAGS += -Wl,--gc-sections
all:
ifneq ($(wildcard $(BUILD_DIR)/Rebuild.sh),)
$(HIDE)echo "not clean, rebuilding now"
$(HIDE)cd $(BUILD_DIR) && sh ./Rebuild.sh > $(BUILD_LOG) 2>&1
else
$(HIDE)mkdir -p $(BUILD_DIR)
$(HIDE)$(CP) $(LITEOSTHIRDPARTY)/mksh/. $(BUILD_DIR)
$(HIDE)cd $(BUILD_DIR) && CC="$(CC)" TARGET_OS=OpenHarmony CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" sh ./Build.sh -r > $(BUILD_LOG) 2>&1
endif
$(HIDE)mkdir -p $(OUT)/bin/ $(OUT)/etc/
$(HIDE)$(STRIP) $(BUILD_DIR)/mksh -o $(OUT)/bin/mksh
$(HIDE)$(CP) $(BUILD_DIR)/.mkshrc $(OUT)/etc/
clean:
$(HIDE)$(RM) $(BUILD_DIR)
.PHONY: all clean

63
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/BUILD.gn
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//kernel/liteos_a/liteos.gni")
executable("perf") {
sources = [
"src/main.c",
"src/option.c",
"src/perf.c",
"src/perf_list.c",
"src/perf_record.c",
"src/perf_stat.c",
]
include_dirs = [ "include" ]
defines = []
if (defined(LOSCFG_PERF_HW_PMU)) {
defines += [ "LOSCFG_PERF_HW_PMU" ]
}
if (defined(LOSCFG_PERF_TIMED_PMU)) {
defines += [ "LOSCFG_PERF_TIMED_PMU" ]
}
if (defined(LOSCFG_PERF_SW_PMU)) {
defines += [ "LOSCFG_PERF_SW_PMU" ]
}
if (defined(LOSCFG_FS_VFS)) {
defines += [ "LOSCFG_FS_VFS" ]
}
defines += [ "LOSCFG_PERF_BUFFER_SIZE=$LOSCFG_PERF_BUFFER_SIZE" ]
deps = [ "$LITEOSTHIRDPARTY/bounds_checking_function:libsec_static" ]
}

62
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/Makefile
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
include $(APPSTOPDIR)/config.mk
APP_NAME := $(notdir $(shell pwd))
SECUREC_DIR := $(LITEOSTHIRDPARTY)/bounds_checking_function
LOCAL_SRCS = $(wildcard src/*.c)
LOCAL_SRCS += $(wildcard $(SECUREC_DIR)/src/*.c)
LOCAL_INCLUDE := \
-I include \
-I $(SECUREC_DIR)/include
LOCAL_FLAGS += $(LOCAL_INCLUDE)
ifeq ($(LOSCFG_PERF_HW_PMU), y)
CFLAGS += -DLOSCFG_PERF_HW_PMU
endif
ifeq ($(LOSCFG_PERF_TIMED_PMU), y)
CFLAGS += -DLOSCFG_PERF_TIMED_PMU
endif
ifeq ($(LOSCFG_PERF_SW_PMU), y)
CFLAGS += -DLOSCFG_PERF_SW_PMU
endif
ifeq ($(LOSCFG_FS_VFS), y)
CFLAGS += -DLOSCFG_FS_VFS
endif
CFLAGS += -DLOSCFG_PERF_BUFFER_SIZE=$(LOSCFG_PERF_BUFFER_SIZE)
include $(APP)

81
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/include/option.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _OPTION_H
#define _OPTION_H
#include "perf.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define CMD_MAX_PARAMS 10
typedef int (*CALL_BACK)(const char *argv);
enum OptionType {
OPTION_TYPE_UINT,
OPTION_TYPE_STRING,
OPTION_TYPE_CALLBACK,
};
typedef struct {
int type;
const char *name;
const char **str;
unsigned int *value;
CALL_BACK cb;
} PerfOption;
typedef struct {
const char *path;
char *params[CMD_MAX_PARAMS];
} SubCmd;
#define OPTION_END() {.name = ""}
#define OPTION_UINT(n, v) {.type = OPTION_TYPE_UINT, .name = (n), .value = (v)}
#define OPTION_STRING(n, s) {.type = OPTION_TYPE_STRING, .name = (n), .str = (s)}
#define OPTION_CALLBACK(n, c) {.type = OPTION_TYPE_CALLBACK, .name = (n), .cb = (c)}
int ParseOptions(int argc, char **argv, PerfOption *opt, SubCmd *cmd);
int ParseEvents(const char *argv, PerfEventConfig *eventsCfg, unsigned int *len);
int ParseIds(const char *argv, int *arr, unsigned int *len);
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* _OPTION_H */

163
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/include/perf.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _PERF_H
#define _PERF_H
#include <stdlib.h>
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define PERF_MAX_EVENT 7
#define PERF_MAX_FILTER_TSKS 32
#ifdef PERF_DEBUG
#define printf_debug(fmt, ...) printf(fmt, ##__VA_ARGS__)
#else
#define printf_debug(fmt, ...)
#endif
/*
* Perf types
*/
enum PerfEventType {
PERF_EVENT_TYPE_HW, /* boards common hw events */
PERF_EVENT_TYPE_TIMED, /* hrtimer timed events */
PERF_EVENT_TYPE_SW, /* software trace events */
PERF_EVENT_TYPE_RAW, /* boards special hw events, see enum PmuEventType in corresponding arch headfile */
PERF_EVENT_TYPE_MAX
};
/*
* Common hardware pmu events
*/
enum PmuHwId {
PERF_COUNT_HW_CPU_CYCLES = 0, /* cpu cycle event */
PERF_COUNT_HW_INSTRUCTIONS, /* instruction event */
PERF_COUNT_HW_DCACHE_REFERENCES, /* dcache access event */
PERF_COUNT_HW_DCACHE_MISSES, /* dcache miss event */
PERF_COUNT_HW_ICACHE_REFERENCES, /* icache access event */
PERF_COUNT_HW_ICACHE_MISSES, /* icache miss event */
PERF_COUNT_HW_BRANCH_INSTRUCTIONS, /* software change of pc event */
PERF_COUNT_HW_BRANCH_MISSES, /* branch miss event */
PERF_COUNT_HW_MAX,
};
/*
* Common hrtimer timed events
*/
enum PmuTimedId {
PERF_COUNT_CPU_CLOCK = 0, /* hrtimer timed event */
};
/*
* Common software pmu events
*/
enum PmuSwId {
PERF_COUNT_SW_TASK_SWITCH = 1, /* task switch event */
PERF_COUNT_SW_IRQ_RESPONSE, /* irq response event */
PERF_COUNT_SW_MEM_ALLOC, /* memory alloc event */
PERF_COUNT_SW_MUX_PEND, /* mutex pend event */
PERF_COUNT_SW_MAX,
};
/*
* perf sample data types
* Config it through PerfConfigAttr->sampleType.
*/
enum PerfSampleType {
PERF_RECORD_CPU = 1U << 0, /* record current cpuid */
PERF_RECORD_TID = 1U << 1, /* record current task id */
PERF_RECORD_TYPE = 1U << 2, /* record event type */
PERF_RECORD_PERIOD = 1U << 3, /* record event period */
PERF_RECORD_TIMESTAMP = 1U << 4, /* record timestamp */
PERF_RECORD_IP = 1U << 5, /* record instruction pointer */
PERF_RECORD_CALLCHAIN = 1U << 6, /* record backtrace */
PERF_RECORD_PID = 1U << 7, /* record current process id */
};
/*
* perf configuration sub event information
*
* This structure is used to config specific events attributes.
*/
typedef struct {
unsigned int type; /* enum PerfEventType */
struct {
unsigned int eventId; /* the specific event corresponds to the PerfEventType */
unsigned int period; /* event period, for every "period"th occurrence of the event a
sample will be recorded */
} events[PERF_MAX_EVENT]; /* perf event list */
unsigned int eventsNr; /* total perf event number */
size_t predivided; /* whether to prescaler (once every 64 counts),
which only take effect on cpu cycle hardware event */
} PerfEventConfig;
/*
* perf configuration main information
*
* This structure is used to set perf sampling attributes, including events, tasks and other information.
*/
typedef struct {
PerfEventConfig eventsCfg; /* perf event config */
unsigned int taskIds[PERF_MAX_FILTER_TSKS]; /* perf task filter list (allowlist) */
unsigned int taskIdsNr; /* task numbers of task filter allowlist,
if set 0 perf will sample all tasks */
unsigned int processIds[PERF_MAX_FILTER_TSKS]; /* perf process filter list (allowlist) */
unsigned int processIdsNr; /* process numbers of process filter allowlist,
if set 0 perf will sample all processes */
unsigned int sampleType; /* type of data to sample defined in PerfSampleType */
size_t needSample; /* whether to sample data */
} PerfConfigAttr;
void PerfUsage(void);
void PerfDumpAttr(PerfConfigAttr *attr);
int PerfConfig(int fd, PerfConfigAttr *attr);
void PerfStart(int fd, size_t sectionId);
void PerfStop(int fd);
ssize_t PerfRead(int fd, char *buf, size_t size);
void PerfPrintBuffer(const char *buf, ssize_t num);
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* _PERF_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/include/perf_list.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _PERF_LIST_H
#define _PERF_LIST_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
typedef struct {
const char *name;
int event;
int type;
} PerfEvent;
extern const PerfEvent g_events[];
void PerfList(void);
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* _PERF_LIST_H */

49
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/include/perf_record.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _PERF_RECORD_H
#define _PERF_RECORD_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
void PerfRecord(int fd, int argc, char **argv);
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* _PERF_RECORD_H */

49
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/include/perf_stat.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _PERF_STAT_H
#define _PERF_STAT_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
void PerfStat(int fd, int argc, char **argv);
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* _PERF_STAT_H */

90
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/src/main.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include "perf.h"
#include "perf_list.h"
#include "perf_stat.h"
#include "perf_record.h"
int main(int argc, char **argv)
{
#define TWO_ARGS 2
#define THREE_ARGS 3
int fd = open("/dev/perf", O_RDWR);
if (fd == -1) {
printf("Perf open failed.\n");
exit(EXIT_FAILURE);
}
if (argc == 1) {
PerfUsage();
} else if ((argc == TWO_ARGS) && strcmp(argv[1], "start") == 0) {
PerfStart(fd, 0);
} else if ((argc == THREE_ARGS) && strcmp(argv[1], "start") == 0) {
size_t id = strtoul(argv[THREE_ARGS - 1], NULL, 0);
PerfStart(fd, id);
} else if ((argc == TWO_ARGS) && strcmp(argv[1], "stop") == 0) {
PerfStop(fd);
} else if ((argc == THREE_ARGS) && strcmp(argv[1], "read") == 0) {
size_t size = strtoul(argv[THREE_ARGS - 1], NULL, 0);
if (size <= 0) {
goto EXIT:
}
char *buf = (char *)malloc(size);
if (buf != NULL) {
int len = PerfRead(fd, buf, size);
PerfPrintBuffer(buf, len);
free(buf);
buf = NULL;
}
} else if ((argc == TWO_ARGS) && strcmp(argv[1], "list") == 0) {
PerfList();
} else if ((argc >= THREE_ARGS) && strcmp(argv[1], "stat") == 0) {
PerfStat(fd, argc, argv);
} else if ((argc >= THREE_ARGS) && strcmp(argv[1], "record") == 0) {
PerfRecord(fd, argc, argv);
} else {
printf("Unsupported perf command.\n");
PerfUsage();
}
EXIT:
close(fd);
return 0;
}

182
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/src/option.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <string.h>
#include "option.h"
#include "perf_list.h"
static int ParseOption(char **argv, int *index, PerfOption *opts)
{
int ret = 0;
const char *str = NULL;
while ((opts->name != NULL) && (*opts->name != 0)) {
if (strcmp(argv[*index], opts->name) == 0) {
switch (opts->type) {
case OPTION_TYPE_UINT:
*opts->value = strtoul(argv[++(*index)], NULL, 0);
break;
case OPTION_TYPE_STRING:
*opts->str = argv[++(*index)];
break;
case OPTION_TYPE_CALLBACK:
str = argv[++(*index)];
if ((*opts->cb)(str) != 0) {
printf("parse error\n");
ret = -1;
}
break;
default:
printf("invalid option\n");
ret = -1;
break;
}
return ret;
}
opts++;
}
return -1;
}
int ParseOptions(int argc, char **argv, PerfOption *opts, SubCmd *cmd)
{
int i;
int index = 0;
while ((index < argc) && (argv[index] != NULL) && (*argv[index] == '-')) {
if (ParseOption(argv, &index, opts) != 0) {
return -1;
}
index++;
}
if ((index < argc) && (argv[index] != NULL)) {
cmd->path = argv[index];
cmd->params[0] = argv[index];
index++;
} else {
printf("no subcmd to execute\n");
return -1;
}
for (i = 1; (index < argc) && (i < CMD_MAX_PARAMS); index++, i++) {
cmd->params[i] = argv[index];
}
printf_debug("subcmd = %s\n", cmd->path);
for (int j = 0; j < i; j++) {
printf_debug("paras[%d]:%s\n", j, cmd->params[j]);
}
return 0;
}
int ParseIds(const char *argv, int *arr, unsigned int *len)
{
int res, ret;
unsigned int index = 0;
char *sp = NULL;
char *this = NULL;
char *list = strdup(argv);
if (list == NULL) {
printf("no memory for ParseIds\n");
return -1;
}
sp = strtok_r(list, ",", &this);
while (sp) {
res = strtoul(sp, NULL, 0);
if (res < 0) {
ret = -1;
goto EXIT;
}
arr[index++] = res;
sp = strtok_r(NULL, ",", &this);
}
*len = index;
ret = 0;
EXIT:
free(list);
return ret;
}
static inline const PerfEvent *StrToEvent(const char *str)
{
const PerfEvent *evt = &g_events[0];
for (; evt->event != -1; evt++) {
if (strcmp(str, evt->name) == 0) {
return evt;
}
}
return NULL;
}
int ParseEvents(const char *argv, PerfEventConfig *eventsCfg, unsigned int *len)
{
int ret;
unsigned int index = 0;
const PerfEvent *event = NULL;
char *sp = NULL;
char *this = NULL;
char *list = strdup(argv);
if (list == NULL) {
printf("no memory for ParseEvents\n");
return -1;
}
sp = strtok_r(list, ",", &this);
while (sp) {
event = StrToEvent(sp);
if (event == NULL) {
ret = -1;
goto EXIT;
}
if (index == 0) {
eventsCfg->type = event->type;
} else if (eventsCfg->type != event->type) {
printf("events type must be same\n");
ret = -1;
goto EXIT;
}
eventsCfg->events[index].eventId = event->event;
sp = strtok_r(NULL, ",", &this);
index++;
}
*len = index;
ret = 0;
EXIT:
free(list);
return ret;
}

136
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/src/perf.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include "perf.h"
#define PERF_IOC_MAGIC 'T'
#define PERF_START _IO(PERF_IOC_MAGIC, 1)
#define PERF_STOP _IO(PERF_IOC_MAGIC, 2)
void PerfUsage(void)
{
printf("\nUsage: ./perf start [id]. Start perf.\n");
printf("\nUsage: ./perf stop. Stop perf.\n");
printf("\nUsage: ./perf read <nBytes>. Read nBytes raw data from perf buffer and print out.\n");
printf("\nUsage: ./perf list. List events to be used in -e.\n");
printf("\nUsage: ./perf stat/record [option] <command>. \n"
"-e, event selector. use './perf list' to list available events.\n"
"-p, event period.\n"
"-o, perf data output filename.\n"
"-t, taskId filter(allowlist), if not set perf will sample all tasks.\n"
"-s, type of data to sample defined in PerfSampleType los_perf.h.\n"
"-P, processId filter(allowlist), if not set perf will sample all processes.\n"
"-d, whether to prescaler (once every 64 counts),"
"which only take effect on cpu cycle hardware event.\n"
);
}
static void PerfSetPeriod(PerfConfigAttr *attr)
{
int i;
for (i = 1; i < attr->eventsCfg.eventsNr; i++) {
attr->eventsCfg.events[i].period = attr->eventsCfg.events[0].period;
}
}
void PerfPrintBuffer(const char *buf, ssize_t num)
{
#define BYTES_PER_LINE 4
ssize_t i;
for (i = 0; i < num; i++) {
printf(" %02x", (unsigned char)buf[i]);
if (((i + 1) % BYTES_PER_LINE) == 0) {
printf("\n");
}
}
printf("\n");
}
void PerfDumpAttr(PerfConfigAttr *attr)
{
int i;
printf_debug("attr->type: %d\n", attr->eventsCfg.type);
for (i = 0; i < attr->eventsCfg.eventsNr; i++) {
printf_debug("attr->events[%d]: %d, 0x%x\n", i, attr->eventsCfg.events[i].eventId,
attr->eventsCfg.events[i].period);
}
printf_debug("attr->predivided: %d\n", attr->eventsCfg.predivided);
printf_debug("attr->sampleType: 0x%x\n", attr->sampleType);
for (i = 0; i < attr->taskIdsNr; i++) {
printf_debug("attr->taskIds[%d]: %d\n", i, attr->taskIds[i]);
}
for (i = 0; i < attr->processIdsNr; i++) {
printf_debug("attr->processIds[%d]: %d\n", i, attr->processIds[i]);
}
printf_debug("attr->needSample: %d\n", attr->needSample);
}
void PerfStart(int fd, size_t sectionId)
{
(void)ioctl(fd, PERF_START, sectionId);
}
void PerfStop(int fd)
{
(void)ioctl(fd, PERF_STOP, NULL);
}
int PerfConfig(int fd, PerfConfigAttr *attr)
{
if (attr == NULL) {
return -1;
}
PerfSetPeriod(attr);
PerfDumpAttr(attr);
return write(fd, attr, sizeof(PerfConfigAttr));
}
ssize_t PerfRead(int fd, char *buf, size_t size)
{
ssize_t len;
if (buf == NULL) {
printf("Read buffer is null.\n");
return 0;
}
len = read(fd, buf, size);
return len;
}

129
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/src/perf_list.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include "perf.h"
#include "perf_list.h"
static const char *g_eventTypeStr[] = {
"[Hardware event]",
"[Timed event]",
"[Software event]",
};
const PerfEvent g_events[] = {
#ifdef LOSCFG_PERF_HW_PMU
{
.name = "cycles",
.event = PERF_COUNT_HW_CPU_CYCLES,
.type = PERF_EVENT_TYPE_HW,
},
{
.name = "instruction",
.event = PERF_COUNT_HW_INSTRUCTIONS,
.type = PERF_EVENT_TYPE_HW,
},
{
.name = "dcache",
.event = PERF_COUNT_HW_DCACHE_REFERENCES,
.type = PERF_EVENT_TYPE_HW,
},
{
.name = "dcache-miss",
.event = PERF_COUNT_HW_DCACHE_MISSES,
.type = PERF_EVENT_TYPE_HW,
},
{
.name = "icache",
.event = PERF_COUNT_HW_ICACHE_REFERENCES,
.type = PERF_EVENT_TYPE_HW,
},
{
.name = "icache-miss",
.event = PERF_COUNT_HW_ICACHE_MISSES,
.type = PERF_EVENT_TYPE_HW,
},
{
.name = "branch",
.event = PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
.type = PERF_EVENT_TYPE_HW,
},
{
.name = "branch-miss",
.event = PERF_COUNT_HW_BRANCH_MISSES,
.type = PERF_EVENT_TYPE_HW,
},
#endif
#ifdef LOSCFG_PERF_TIMED_PMU
{
.name = "clock",
.event = PERF_COUNT_CPU_CLOCK,
.type = PERF_EVENT_TYPE_TIMED,
},
#endif
#ifdef LOSCFG_PERF_SW_PMU
{
.name = "task-switch",
.event = PERF_COUNT_SW_TASK_SWITCH,
.type = PERF_EVENT_TYPE_SW,
},
{
.name = "irq-in",
.event = PERF_COUNT_SW_IRQ_RESPONSE,
.type = PERF_EVENT_TYPE_SW,
},
{
.name = "mem-alloc",
.event = PERF_COUNT_SW_MEM_ALLOC,
.type = PERF_EVENT_TYPE_SW,
},
{
.name = "mux-pend",
.event = PERF_COUNT_SW_MUX_PEND,
.type = PERF_EVENT_TYPE_SW,
},
#endif
{
.name = "",
.event = -1,
.type = PERF_EVENT_TYPE_MAX,
}
};
void PerfList(void)
{
const PerfEvent *evt = &g_events[0];
printf("\n");
for (; evt->event != -1; evt++) {
printf("\t %-25s%30s\n", evt->name, g_eventTypeStr[evt->type]);
}
printf("\n");
}

203
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/src/perf_record.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include <sys/wait.h>
#include <securec.h>
#ifdef LOSCFG_FS_VFS
#include <fcntl.h>
#include <errno.h>
#endif
#include "perf.h"
#include "option.h"
#include "perf_record.h"
#define PERF_FILE_MODE 0644
static PerfConfigAttr g_recordAttr;
static const char *g_savePath = "/storage/data/perf.data";
static inline int GetEvents(const char *argv)
{
return ParseEvents(argv, &g_recordAttr.eventsCfg, &g_recordAttr.eventsCfg.eventsNr);
}
static inline int GetTids(const char *argv)
{
return ParseIds(argv, (int *)g_recordAttr.taskIds, &g_recordAttr.taskIdsNr);
}
static inline int GetPids(const char *argv)
{
return ParseIds(argv, (int *)g_recordAttr.processIds, &g_recordAttr.processIdsNr);
}
static PerfOption g_recordOpts[] = {
OPTION_CALLBACK("-e", GetEvents),
OPTION_CALLBACK("-t", GetTids),
OPTION_CALLBACK("-P", GetPids),
OPTION_STRING("-o", &g_savePath),
OPTION_UINT("-p", &g_recordAttr.eventsCfg.events[0].period),
OPTION_UINT("-s", &g_recordAttr.sampleType),
OPTION_UINT("-d", &g_recordAttr.eventsCfg.predivided),
};
static int PerfRecordAttrInit(void)
{
PerfConfigAttr attr = {
.eventsCfg = {
#ifdef LOSCFG_PERF_HW_PMU
.type = PERF_EVENT_TYPE_HW,
.events = {
[0] = {PERF_COUNT_HW_CPU_CYCLES, 0xFFFF},
},
#elif defined LOSCFG_PERF_TIMED_PMU
.type = PERF_EVENT_TYPE_TIMED,
.events = {
[0] = {PERF_COUNT_CPU_CLOCK, 100},
},
#elif defined LOSCFG_PERF_SW_PMU
.type = PERF_EVENT_TYPE_SW,
.events = {
[0] = {PERF_COUNT_SW_TASK_SWITCH, 1},
},
#endif
.eventsNr = 1, /* 1 event */
.predivided = 0,
},
.taskIds = {0},
.taskIdsNr = 0,
.processIds = {0},
.processIdsNr = 0,
.needSample = 1,
.sampleType = PERF_RECORD_IP | PERF_RECORD_CALLCHAIN,
};
return memcpy_s(&g_recordAttr, sizeof(PerfConfigAttr), &attr, sizeof(PerfConfigAttr)) != EOK ? -1 : 0;
}
ssize_t PerfWriteFile(const char *filePath, const char *buf, ssize_t bufSize)
{
#ifdef LOSCFG_FS_VFS
int fd = -1;
ssize_t totalToWrite = bufSize;
ssize_t totalWrite = 0;
if (filePath == NULL || buf == NULL || bufSize == 0) {
return -1;
}
fd = open(filePath, O_CREAT | O_RDWR | O_TRUNC, PERF_FILE_MODE);
if (fd < 0) {
printf("create file [%s] failed, fd: %d, %s!\n", filePath, fd, strerror(errno));
return -1;
}
while (totalToWrite > 0) {
ssize_t writeThisTime = write(fd, buf, totalToWrite);
if (writeThisTime < 0) {
printf("failed to write file [%s], %s!\n", filePath, strerror(errno));
(void)close(fd);
return -1;
}
buf += writeThisTime;
totalToWrite -= writeThisTime;
totalWrite += writeThisTime;
}
(void)fsync(fd);
(void)close(fd);
return (totalWrite == bufSize) ? 0 : -1;
#else
(void)filePath;
PerfPrintBuffer(buf, bufSize);
return 0;
#endif
}
void PerfRecord(int fd, int argc, char **argv)
{
int ret;
int child;
char *buf;
ssize_t len;
SubCmd cmd = {0};
if (argc < 3) { /* perf record argc is at least 3 */
return;
}
ret = PerfRecordAttrInit();
if (ret != 0) {
printf("perf record attr init failed\n");
return;
}
ret = ParseOptions(argc - 2, &argv[2], g_recordOpts, &cmd); /* parse option and cmd begin at index 2 */
if (ret != 0) {
printf("parse error\n");
return;
}
ret = PerfConfig(fd, &g_recordAttr);
if (ret != 0) {
printf("perf config failed\n");
return;
}
PerfStart(fd, 0);
child = fork();
if (child < 0) {
printf("fork error\n");
PerfStop(fd);
return;
} else if (child == 0) {
(void)execve(cmd.path, cmd.params, NULL);
exit(0);
}
waitpid(child, 0, 0);
PerfStop(fd);
buf = (char *)malloc(LOSCFG_PERF_BUFFER_SIZE);
if (buf == NULL) {
printf("no memory for read perf 0x%x\n", LOSCFG_PERF_BUFFER_SIZE);
return;
}
len = PerfRead(fd, buf, LOSCFG_PERF_BUFFER_SIZE);
ret = PerfWriteFile(g_savePath, buf, len);
if (ret == 0) {
printf("save perf data success at %s\n", g_savePath);
} else {
printf("save perf data failed at %s\n", g_savePath);
}
free(buf);
}

149
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/perf/src/perf_stat.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include <securec.h>
#include <sys/wait.h>
#include "perf.h"
#include "option.h"
#include "perf_stat.h"
static PerfConfigAttr g_statAttr;
static inline int GetEvents(const char *argv)
{
return ParseEvents(argv, &g_statAttr.eventsCfg, &g_statAttr.eventsCfg.eventsNr);
}
static inline int GetTids(const char *argv)
{
return ParseIds(argv, (int *)g_statAttr.taskIds, &g_statAttr.taskIdsNr);
}
static inline int GetPids(const char *argv)
{
return ParseIds(argv, (int *)g_statAttr.processIds, &g_statAttr.processIdsNr);
}
static PerfOption g_statOpts[] = {
OPTION_CALLBACK("-e", GetEvents),
OPTION_CALLBACK("-t", GetTids),
OPTION_CALLBACK("-P", GetPids),
OPTION_UINT("-p", &g_statAttr.eventsCfg.events[0].period),
OPTION_UINT("-s", &g_statAttr.sampleType),
OPTION_UINT("-d", &g_statAttr.eventsCfg.predivided),
};
static int PerfStatAttrInit(void)
{
PerfConfigAttr attr = {
.eventsCfg = {
#ifdef LOSCFG_PERF_HW_PMU
.type = PERF_EVENT_TYPE_HW,
.events = {
[0] = {PERF_COUNT_HW_CPU_CYCLES, 0xFFFF},
[1] = {PERF_COUNT_HW_INSTRUCTIONS, 0xFFFFFF00},
[2] = {PERF_COUNT_HW_ICACHE_REFERENCES, 0xFFFF},
[3] = {PERF_COUNT_HW_DCACHE_REFERENCES, 0xFFFF},
},
.eventsNr = 4, /* 4 events */
#elif defined LOSCFG_PERF_TIMED_PMU
.type = PERF_EVENT_TYPE_TIMED,
.events = {
[0] = {PERF_COUNT_CPU_CLOCK, 100},
},
.eventsNr = 1, /* 1 event */
#elif defined LOSCFG_PERF_SW_PMU
.type = PERF_EVENT_TYPE_SW,
.events = {
[0] = {PERF_COUNT_SW_TASK_SWITCH, 1},
[1] = {PERF_COUNT_SW_IRQ_RESPONSE, 1},
[2] = {PERF_COUNT_SW_MEM_ALLOC, 1},
[3] = {PERF_COUNT_SW_MUX_PEND, 1},
},
.eventsNr = 4, /* 4 events */
#endif
.predivided = 0,
},
.taskIds = {0},
.taskIdsNr = 0,
.processIds = {0},
.processIdsNr = 0,
.needSample = 0,
.sampleType = 0,
};
return memcpy_s(&g_statAttr, sizeof(PerfConfigAttr), &attr, sizeof(PerfConfigAttr)) != EOK ? -1 : 0;
}
void PerfStat(int fd, int argc, char **argv)
{
int ret;
int child;
SubCmd cmd = {0};
if (argc < 3) { /* perf stat argc is at least 3 */
return;
}
ret = PerfStatAttrInit();
if (ret != 0) {
printf("perf stat attr init failed\n");
return;
}
ret = ParseOptions(argc - 2, &argv[2], g_statOpts, &cmd); /* parse option and cmd begin at index 2 */
if (ret != 0) {
printf("parse error\n");
return;
}
ret = PerfConfig(fd, &g_statAttr);
if (ret != 0) {
printf("perf config failed\n");
return;
}
PerfStart(fd, 0);
child = fork();
if (child < 0) {
printf("fork error\n");
goto EXIT;
} else if (child == 0) {
(void)execve(cmd.path, cmd.params, NULL);
exit(0);
}
(void)waitpid(child, 0, 0);
EXIT:
PerfStop(fd);
}

44
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/BUILD.gn
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//kernel/liteos_a/liteos.gni")
executable("shell") {
sources = [
"builtin/cd.c",
"src/main.c",
"src/shcmd.c",
"src/shcmdparse.c",
"src/shmsg.c",
]
deps = [ "$LITEOSTHIRDPARTY/bounds_checking_function:libsec_static" ]
include_dirs = [ "include" ]
}

45
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/Makefile
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
include $(APPSTOPDIR)/config.mk
APP_NAME := $(notdir $(shell pwd))
SECUREC_DIR := $(LITEOSTHIRDPARTY)/bounds_checking_function
LOCAL_SRCS = $(wildcard src/*.c builtin/*.c)
LOCAL_SRCS += $(wildcard $(SECUREC_DIR)/src/*.c)
LOCAL_INCLUDE := \
-I include \
-I $(SECUREC_DIR)/include
LOCAL_FLAGS += $(LOCAL_INCLUDE)
include $(APP)

54
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/builtin/cd.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define _GNU_SOURCE
#include "unistd.h"
#include "shcmd.h"
#include "sherr.h"
int Chdir(const char *tgtDir)
{
int ret;
if (!tgtDir) {
return SH_ERROR;
}
ret = chdir(tgtDir);
if (ret == 0) {
ret = OsShellSetWorkingDirectory(tgtDir, strlen(tgtDir) + 1); /* 1: the length of '\0' */
}
return ret;
}

73
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/include/shcmd.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SHCMD_H
#define _SHCMD_H
#include "string.h"
#include "stdlib.h"
#include "shell_list.h"
#include "shcmdparse.h"
#include "sherr.h"
#include "show.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
typedef struct {
unsigned int count;
SH_List list;
char cmdString[0];
} CmdKeyLink;
#define NEED_NEW_LINE(timesPrint, lineCap) ((timesPrint) % (lineCap) == 0)
#define SCREEN_IS_FULL(timesPrint, lineCap) ((timesPrint) >= ((lineCap) * DEFAULT_SCREEN_HEIGHT))
extern unsigned int OsCmdExec(CmdParsed *cmdParsed, char *cmdStr);
extern unsigned int OsCmdKeyShift(const char *cmdKey, char *cmdOut, unsigned int size);
extern int OsTabCompletion(char *cmdKey, unsigned int *len);
extern void OsShellCmdPush(const char *string, CmdKeyLink *cmdKeyLink);
extern void OsShellHistoryShow(unsigned int value, ShellCB *shellCB);
extern unsigned int OsShellKeyInit(ShellCB *shellCB);
extern void OsShellKeyDeInit(CmdKeyLink *cmdKeyLink);
extern int OsShellSetWorkingDirectory(const char *dir, size_t len);
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* _SHCMD_H */

65
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/include/shcmdparse.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SHCMDPARSE_H
#define _SHCMDPARSE_H
#include "string.h"
#include "show.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
/*
* Description: the info struct after cmd parser
*/
typedef struct {
unsigned int paramCnt; /* count of para */
CmdType cmdType; /* cmd type, judge cmd keyword */
char cmdKeyword[CMD_KEY_LEN]; /* cmd keyword str */
char *paramArray[CMD_MAX_PARAS];
} CmdParsed;
extern unsigned int OsCmdParse(char *cmdStr, CmdParsed *cmdParsed);
extern char *OsCmdParseStrdup(const char *str);
extern unsigned int OsCmdParseOneToken(CmdParsed *cmdParsed, unsigned int index, const char *token);
extern unsigned int OsCmdTokenSplit(char *cmdStr, char split, CmdParsed *cmdParsed);
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* _SHCMDPARSE_H */

109
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/include/shell.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SHELL_H
#define _SHELL_H
#include "pthread.h"
#include "semaphore.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/* Max len of show str */
#define SHOW_MAX_LEN CMD_MAX_LEN
#define SHELL_PROCESS_PRIORITY_INIT 15
#define PATH_MAX 256
#define CMD_MAX_PARAS 32
#define CMD_KEY_LEN 16U
#define CMD_MAX_LEN (256U + CMD_KEY_LEN)
#define CMD_KEY_NUM 32
#define CMD_HISTORY_LEN 10
#define CMD_MAX_PATH 256
#define DEFAULT_SCREEN_WIDTH 80
#define DEFAULT_SCREEN_HEIGHT 24
#define SWITCH_QUOTES_STATUS(qu) do { \
if ((qu) == TRUE) { \
(qu) = FALSE; \
} else { \
(qu) = TRUE; \
} \
} while (0)
#define QUOTES_STATUS_CLOSE(qu) ((qu) == FALSE)
#define QUOTES_STATUS_OPEN(qu) ((qu) == TRUE)
typedef struct {
unsigned int consoleID;
pthread_t shellTaskHandle;
pthread_t shellEntryHandle;
void *cmdKeyLink;
void *cmdHistoryKeyLink;
void *cmdMaskKeyLink;
unsigned int shellBufOffset;
unsigned int shellKeyType;
sem_t shellSem;
pthread_mutex_t keyMutex;
pthread_mutex_t historyMutex;
char shellBuf[SHOW_MAX_LEN];
char shellWorkingDirectory[PATH_MAX];
} ShellCB;
/* All support cmd types */
typedef enum {
CMD_TYPE_SHOW = 0,
CMD_TYPE_STD = 1,
CMD_TYPE_EX = 2,
CMD_TYPE_BUTT
} CmdType;
typedef enum {
CMD_KEY_UP = 0,
CMD_KEY_DOWN = 1,
CMD_KEY_RIGHT = 2,
CMD_KEY_LEFT = 4,
CMD_KEY_BUTT
} CmdKeyDirection;
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _SHELL_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/include/shell_list.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SHELL_LIST_H
#define _SHELL_LIST_H
#include "sherr.h"
#include "stdint.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
typedef size_t bool;
/**
* @ingroup shell_list
* Structure of a node in a doubly linked list.
*/
typedef struct SH_List {
struct SH_List *pstPrev; /**< Current node's pointer to the previous node */
struct SH_List *pstNext; /**< Current node's pointer to the next node */
} SH_List;
/**
* @ingroup shell_list
*
* @par Description:
* This API is used to initialize a doubly linked list.
* @attention
* <ul>
* <li>The parameter passed in should be ensured to be a legal pointer.</li>
* </ul>
*
* @param list [IN] Node in a doubly linked list.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
static inline void SH_ListInit(SH_List *list)
{
list->pstNext = list;
list->pstPrev = list;
}
/**
* @ingroup shell_list
* @brief Point to the next node pointed to by the current node.
*
* @par Description:
* <ul>
* <li>This API is used to point to the next node pointed to by the current node.</li>
* </ul>
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param object [IN] Node in the doubly linked list.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
#define SH_LIST_FIRST(object) ((object)->pstNext)
/**
* @ingroup shell_list
* @brief Point to the previous node pointed to by the current node.
*
* @par Description:
* <ul>
* <li>This API is used to point to the previous node pointed to by the current node.</li>
* </ul>
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param object [IN] Node in the doubly linked list.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
#define SH_LIST_LAST(object) ((object)->pstPrev)
/**
* @ingroup shell_list
* @brief Insert a new node to a doubly linked list.
*
* @par Description:
* This API is used to insert a new node to a doubly linked list.
* @attention
* <ul>
* <li>The parameters passed in should be ensured to be legal pointers.</li>
* </ul>
*
* @param list [IN] Doubly linked list where the new node is inserted.
* @param node [IN] New node to be inserted.
*
* @retval None
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see SH_ListDelete
*/
static inline void SH_ListAdd(SH_List *list, SH_List *node)
{
node->pstNext = list->pstNext;
node->pstPrev = list;
list->pstNext->pstPrev = node;
list->pstNext = node;
}
/**
* @ingroup shell_list
* @brief Insert a node to the tail of a doubly linked list.
*
* @par Description:
* This API is used to insert a new node to the tail of a doubly linked list.
* @attention
* <ul>
* <li>The parameters passed in should be ensured to be legal pointers.</li>
* </ul>
*
* @param list [IN] Doubly linked list where the new node is inserted.
* @param node [IN] New node to be inserted.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see SH_ListAdd | SH_ListHeadInsert
*/
static inline void SH_ListTailInsert(SH_List *list, SH_List *node)
{
if ((list == NULL) || (node == NULL)) {
return;
}
SH_ListAdd(list->pstPrev, node);
}
/**
* @ingroup shell_list
* @brief Insert a node to the head of a doubly linked list.
*
* @par Description:
* This API is used to insert a new node to the head of a doubly linked list.
* @attention
* <ul>
* <li>The parameters passed in should be ensured to be legal pointers.</li>
* </ul>
*
* @param list [IN] Doubly linked list where the new node is inserted.
* @param node [IN] New node to be inserted.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see SH_ListAdd | SH_ListTailInsert
*/
static inline void SH_ListHeadInsert(SH_List *list, SH_List *node)
{
if ((list == NULL) || (node == NULL)) {
return;
}
SH_ListAdd(list, node);
}
/**
* @ingroup shell_list
*
* @par Description:
* <ul>
* <li>This API is used to delete a specified node from a doubly linked list.</li>
* </ul>
* @attention
* <ul>
* <li>The parameter passed in should be ensured to be a legal pointer.</li>
* </ul>
*
* @param node [IN] Node to be deleted.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see SH_ListAdd
*/
static inline void SH_ListDelete(SH_List *node)
{
node->pstNext->pstPrev = node->pstPrev;
node->pstPrev->pstNext = node->pstNext;
node->pstNext = NULL;
node->pstPrev = NULL;
}
/**
* @ingroup shell_list
* @brief Identify whether a specified doubly linked list is empty.
*
* @par Description:
* <ul>
* <li>This API is used to return whether a doubly linked list is empty.</li>
* </ul>
* @attention
* <ul>
* <li>The parameter passed in should be ensured to be a legal pointer.</li>
* </ul>
*
* @param list [IN] Doubly linked list.
*
* @retval TRUE The doubly linked list is empty.
* @retval FALSE The doubly linked list is not empty.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
static inline bool SH_ListEmpty(SH_List *list)
{
if (list == NULL) {
return FALSE;
}
return (bool)(list->pstNext == list);
}
/**
* @ingroup shell_list
* @brief Insert a new list to a doubly linked list.
*
* @par Description:
* This API is used to insert a new list to a doubly linked list.
* @attention
* <ul>
* <li>The parameters passed in should be ensured to be legal pointers.</li>
* </ul>
*
* @param oldList [IN] Doubly linked list where the new list is inserted.
* @param newList [IN] New list to be inserted.
*
* @retval None
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see SH_ListDelete
*/
static inline void SH_ListAddList(SH_List *oldList, SH_List *newList)
{
SH_List *oldListHead = oldList->pstNext;
SH_List *oldListTail = oldList;
SH_List *newListHead = newList;
SH_List *newListTail = newList->pstPrev;
oldListTail->pstNext = newListHead;
newListHead->pstPrev = oldListTail;
oldListHead->pstPrev = newListTail;
newListTail->pstNext = oldListHead;
}
/**
* @ingroup shell_list
* @brief Insert a doubly list to the tail of a doubly linked list.
*
* @par Description:
* This API is used to insert a new doubly list to the tail of a doubly linked list.
* @attention
* <ul>
* <li>The parameters passed in should be ensured to be legal pointers.</li>
* </ul>
*
* @param oldList [IN] Doubly linked list where the new list is inserted.
* @param newList [IN] New list to be inserted.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see SH_ListAddList | SH_ListHeadInsertList
*/
static inline void SH_ListTailInsertList(SH_List *oldList, SH_List *newList)
{
SH_ListAddList(oldList->pstPrev, newList);
}
/**
* @ingroup shell_list
* @brief Insert a doubly list to the head of a doubly linked list.
*
* @par Description:
* This API is used to insert a new doubly list to the head of a doubly linked list.
* @attention
* <ul>
* <li>The parameters passed in should be ensured to be legal pointers.</li>
* </ul>
*
* @param oldList [IN] Doubly linked list where the new list is inserted.
* @param newList [IN] New list to be inserted.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see SH_ListAddList | SH_ListTailInsertList
*/
static inline void SH_ListHeadInsertList(SH_List *oldList, SH_List *newList)
{
SH_ListAddList(oldList, newList);
}
/**
* @ingroup shell_list
* @brief Obtain the offset of a field to a structure address.
*
* @par Description:
* This API is used to obtain the offset of a field to a structure address.
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param type [IN] Structure name.
* @param member [IN] Name of the member of which the offset is to be measured.
*
* @retval Offset of the field to the structure address.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
#define LOS_OFF_SET_OF(type, member) ((uintptr_t)&((type *)0)->member)
/**
* @ingroup shell_list
* @brief Obtain the pointer to a structure that contains a doubly linked list.
*
* @par Description:
* This API is used to obtain the pointer to a structure that contains a doubly linked list.
* <ul>
* <li>None.</li>
* </ul>
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param item [IN] Current node's pointer to the next node.
* @param type [IN] Structure name.
* @param member [IN] Member name of the doubly linked list in the structure.
*
* @retval Pointer to the structure that contains the doubly linked list.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
#define SH_LIST_ENTRY(item, type, member) \
((type *)(void *)((char *)(item) - LOS_OFF_SET_OF(type, member)))
/**
* @ingroup shell_list
* @brief Iterate over a doubly linked list of given type.
*
* @par Description:
* This API is used to iterate over a doubly linked list of given type.
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param item [IN] Pointer to the structure that contains the doubly linked list that is to be traversed.
* @param list [IN] Pointer to the doubly linked list to be traversed.
* @param type [IN] Structure name.
* @param member [IN] Member name of the doubly linked list in the structure.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
#define SH_LIST_FOR_EACH_ENTRY(item, list, type, member) \
for (item = SH_LIST_ENTRY((list)->pstNext, type, member); \
&(item)->member != (list); \
item = SH_LIST_ENTRY((item)->member.pstNext, type, member))
/**
* @ingroup shell_list
* @brief iterate over a doubly linked list safe against removal of list entry.
*
* @par Description:
* This API is used to iterate over a doubly linked list safe against removal of list entry.
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param item [IN] Pointer to the structure that contains the doubly linked list that is to be traversed.
* @param next [IN] Save the next node.
* @param list [IN] Pointer to the doubly linked list to be traversed.
* @param type [IN] Structure name.
* @param member [IN] Member name of the doubly linked list in the structure.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
#define SH_LIST_FOR_EACH_ENTRY_SAFE(item, next, list, type, member) \
for (item = SH_LIST_ENTRY((list)->pstNext, type, member), \
next = SH_LIST_ENTRY((item)->member.pstNext, type, member); \
&(item)->member != (list); \
item = next, next = SH_LIST_ENTRY((item)->member.pstNext, type, member))
/**
* @ingroup shell_list
* @brief Delete initialize a doubly linked list.
*
* @par Description:
* This API is used to delete initialize a doubly linked list.
* @attention
* <ul>
* <li>The parameter passed in should be ensured to be s legal pointer.</li>
* </ul>
*
* @param list [IN] Doubly linked list.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
static inline void SH_ListDelInit(SH_List *list)
{
list->pstNext->pstPrev = list->pstPrev;
list->pstPrev->pstNext = list->pstNext;
SH_ListInit(list);
}
/**
* @ingroup shell_list
* @brief iterate over a doubly linked list.
*
* @par Description:
* This API is used to iterate over a doubly linked list.
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param item [IN] Pointer to the structure that contains the doubly linked list that is to be traversed.
* @param list [IN] Pointer to the doubly linked list to be traversed.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
#define SH_LIST_FOR_EACH(item, list) \
for (item = (list)->pstNext; \
(item) != (list); \
item = (item)->pstNext)
/**
* @ingroup shell_list
* @brief Iterate over a doubly linked list safe against removal of list entry.
*
* @par Description:
* This API is used to iterate over a doubly linked list safe against removal of list entry.
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param item [IN] Pointer to the structure that contains the doubly linked list that is to be traversed.
* @param next [IN] Save the next node.
* @param list [IN] Pointer to the doubly linked list to be traversed.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
#define SH_LIST_FOR_EACH_SAFE(item, next, list) \
for (item = (list)->pstNext, next = (item)->pstNext; \
(item) != (list); \
item = next, next = (item)->pstNext)
/**
* @ingroup shell_list
* @brief Initialize a double linked list.
*
* @par Description:
* This API is used to initialize a double linked list.
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param list [IN] Pointer to the doubly linked list to be traversed.
*
* @retval None.
* @par Dependency:
* <ul><li>shell_list.h: the header file that contains the API declaration.</li></ul>
* @see
*/
#define SH_LIST_HEAD(list) SH_List list = { &(list), &(list) }
#define SH_ListPeekHeadType(list, type, element) do { \
type *__t; \
if ((list)->pstNext == list) { \
__t = NULL; \
} else { \
__t = SH_LIST_ENTRY((list)->pstNext, type, element); \
} \
__t; \
} while (0)
#define SH_ListRemoveHeadType(list, type, element) do { \
type *__t; \
if ((list)->pstNext == list) { \
__t = NULL; \
} else { \
__t = SH_LIST_ENTRY((list)->pstNext, type, element); \
SH_ListDelete((list)->pstNext); \
} \
__t; \
} while (0)
#define SH_ListNextType(list, item, type, element) do { \
type *__t; \
if ((item)->pstNext == list) { \
__t = NULL; \
} else { \
__t = SH_LIST_ENTRY((item)->pstNext, type, element); \
} \
__t; \
} while (0)
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _SHELL_LIST_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/include/shell_pri.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SHELL_PRI_H
#define _SHELL_PRI_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
extern void *ShellEntry(void *argv);
extern void *ShellTask(void *argv);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _SHELL_PRI_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/include/sherr.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SHERR_H
#define _SHERR_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define SH_ERROR -1
#define SH_OK 0
#define SH_NOK -1
#ifndef TRUE
# define TRUE 1
#endif
#ifndef FALSE
# define FALSE 0
#endif
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _SHERR_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/include/shmsg.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SHMSG_H
#define _SHMSG_H
#include "shell.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define SHELL_ENTRY_STACKSIZE 0x1000
#define SHELL_TASK_STACKSIZE 0x3000
#define SHELL_EXEC_COMMAND "exec"
#define SHELL_EXEC_COMMAND_BYTES 4
#define CMD_EXEC_COMMAND SHELL_EXEC_COMMAND" "
#define CMD_EXEC_COMMAND_BYTES (SHELL_EXEC_COMMAND_BYTES + 1)
#define CMD_EXIT_COMMAND "exit"
#define CMD_EXIT_COMMAND_BYTES 4
#define CMD_EXIT_CODE_BASE_DEC 10
#define CONSOLE_IOC_MAGIC 'c'
#define CONSOLE_CONTROL_REG_USERTASK _IO(CONSOLE_IOC_MAGIC, 7)
#define COLOR_NONE "\e[0m"
#define COLOR_RED "\e[0;31m"
#define COLOR_L_RED "\e[1;31m"
#define SHELL_PROMPT COLOR_L_RED"OHOS # "COLOR_NONE
typedef void (* OutputFunc)(const char *fmt, ...);
extern int ShellTaskInit(ShellCB *shellCB);
extern int ShellEntryInit(ShellCB *shellCB);
extern void ChildExec(const char *cmdName, char *const paramArray[]);
extern void ShellCmdLineParse(char c, OutputFunc outputFunc, ShellCB *shellCB);
extern int ShellNotify(ShellCB *shellCB);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _SHMSG_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/include/show.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SHOW_H
#define _SHOW_H
#include "stdarg.h"
#include "shell.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
extern char *OsShellGetWorkingDirectory(void);
extern unsigned int OsShellInit(void);
extern int OsShellDeinit(ShellCB *shellCB);
extern ShellCB *OsGetShellCb(void);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _SHOW_H */

178
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/src/main.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define _GNU_SOURCE
#include "show.h"
#include "shmsg.h"
#include "shcmd.h"
#include "semaphore.h"
#include "securec.h"
#include "unistd.h"
#include <sys/syscall.h>
ShellCB *g_shellCB = NULL;
ShellCB *OsGetShellCb()
{
return g_shellCB;
}
void ShellDeinit(ShellCB *shellCB)
{
(void)pthread_mutex_destroy(&shellCB->historyMutex);
(void)pthread_mutex_destroy(&shellCB->keyMutex);
OsShellKeyDeInit((CmdKeyLink *)shellCB->cmdKeyLink);
OsShellKeyDeInit((CmdKeyLink *)shellCB->cmdHistoryKeyLink);
(void)free(shellCB);
}
static int OsShellCreateTask(ShellCB *shellCB)
{
struct sched_param param = { 0 };
int ret;
ret = sched_getparam(getpid(), &param);
if (ret != SH_OK) {
goto OUT;
}
param.sched_priority = SHELL_PROCESS_PRIORITY_INIT;
ret = sched_setparam(getpid(), &param);
if (ret != SH_OK) {
goto OUT;
}
ret = ShellTaskInit(shellCB);
if (ret != SH_OK) {
goto OUT;
}
ret = ShellEntryInit(shellCB);
if (ret != SH_OK) {
goto OUT;
}
(void)pthread_join(shellCB->shellTaskHandle, NULL);
(void)pthread_join(shellCB->shellEntryHandle, NULL);
OUT:
ShellDeinit(shellCB);
return ret;
}
static int DoShellExec(char **argv)
{
int i, j;
int len = 0;
int ret = SH_NOK;
char *cmdLine = NULL;
if (strncmp(argv[0], SHELL_EXEC_COMMAND, SHELL_EXEC_COMMAND_BYTES) == 0) {
ChildExec(argv[1], argv + 1);
}
for (i = 0; argv[i]; i++) {
len += strlen(argv[i]);
}
len += i + 1;
cmdLine = (char *)malloc(len);
if (!cmdLine) {
return ret;
}
errno_t ret1 = memset_s(cmdLine, len, 0, len);
if (ret1 != EOK) {
free(cmdLine);
return ret1;
}
for (j = 0; j < i; j++) {
(void)strcat_s(cmdLine, len, argv[j]);
(void)strcat_s(cmdLine, len, " ");
}
cmdLine[len - 2] = '\0'; /* 2, (len - 2) is the end of cmdline buf */
ret = syscall(__NR_shellexec, argv[0], cmdLine);
free(cmdLine);
return ret;
}
int main(int argc, char **argv)
{
int ret = SH_NOK;
ShellCB *shellCB = NULL;
if (argc > 1) {
ret = DoShellExec(argv + 1);
return ret;
}
setbuf(stdout, NULL);
shellCB = (ShellCB *)malloc(sizeof(ShellCB));
if (shellCB == NULL) {
goto ERR_OUT1;
}
ret = memset_s(shellCB, sizeof(ShellCB), 0, sizeof(ShellCB));
if (ret != SH_OK) {
goto ERR_OUT1;
}
ret = pthread_mutex_init(&shellCB->keyMutex, NULL);
if (ret != SH_OK) {
goto ERR_OUT1;
}
ret = pthread_mutex_init(&shellCB->historyMutex, NULL);
if (ret != SH_OK) {
goto ERR_OUT2;
}
ret = (int)OsShellKeyInit(shellCB);
if (ret != SH_OK) {
goto ERR_OUT3;
}
(void)strncpy_s(shellCB->shellWorkingDirectory, PATH_MAX, "/", 2); /* 2:space for "/" */
sem_init(&shellCB->shellSem, 0, 0);
g_shellCB = shellCB;
return OsShellCreateTask(shellCB);
ERR_OUT3:
(void)pthread_mutex_destroy(&shellCB->historyMutex);
ERR_OUT2:
(void)pthread_mutex_destroy(&shellCB->keyMutex);
ERR_OUT1:
(void)free(shellCB);
return ret;
}

594
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/src/shcmd.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "shcmd.h"
#include "show.h"
#include "stdlib.h"
#include "unistd.h"
#include "dirent.h"
#include "securec.h"
#define SHELL_INIT_MAGIC_FLAG 0xABABABAB
#define CTRL_C 0x03 /* 0x03: ctrl+c ASCII */
static void OsFreeCmdPara(CmdParsed *cmdParsed)
{
unsigned int i;
for (i = 0; i < cmdParsed->paramCnt; i++) {
if ((cmdParsed->paramArray[i]) != NULL) {
free((cmdParsed->paramArray[i]));
cmdParsed->paramArray[i] = NULL;
}
}
}
static int OsStrSeparateTabStrGet(const char **tabStr, CmdParsed *parsed, unsigned int tabStrLen)
{
char *shiftStr = NULL;
char *tempStr = (char *)malloc(SHOW_MAX_LEN << 1);
if (tempStr == NULL) {
return (int)SH_ERROR;
}
(void)memset_s(tempStr, SHOW_MAX_LEN << 1, 0, SHOW_MAX_LEN << 1);
shiftStr = tempStr + SHOW_MAX_LEN;
if (strncpy_s(tempStr, SHOW_MAX_LEN - 1, *tabStr, tabStrLen)) {
free(tempStr);
return (int)SH_ERROR;
}
parsed->cmdType = CMD_TYPE_STD;
/* cut useless or repeat space */
if (OsCmdKeyShift(tempStr, shiftStr, SHOW_MAX_LEN - 1)) {
free(tempStr);
return (int)SH_ERROR;
}
/* get exact position of string to complete */
/* situation different if end space lost or still exist */
if ((strlen(shiftStr) == 0) || (tempStr[strlen(tempStr) - 1] != shiftStr[strlen(shiftStr) - 1])) {
*tabStr = "";
} else {
if (OsCmdParse(shiftStr, parsed)) {
free(tempStr);
return (int)SH_ERROR;
}
*tabStr = parsed->paramArray[parsed->paramCnt - 1];
}
free(tempStr);
return SH_OK;
}
char *OsShellGetWorkingDirectory(void)
{
return OsGetShellCb()->shellWorkingDirectory;
}
int OsShellSetWorkingDirectory(const char *dir, size_t len)
{
if (dir == NULL) {
return SH_NOK;
}
int ret = strncpy_s(OsGetShellCb()->shellWorkingDirectory, sizeof(OsGetShellCb()->shellWorkingDirectory),
dir, len);
if (ret != SH_OK) {
return SH_NOK;
}
return SH_OK;
}
static int OsStrSeparate(const char *tabStr, char *strPath, char *nameLooking, unsigned int tabStrLen)
{
char *strEnd = NULL;
char *cutPos = NULL;
CmdParsed parsed = {0};
char *shellWorkingDirectory = OsShellGetWorkingDirectory();
int ret;
ret = OsStrSeparateTabStrGet(&tabStr, &parsed, tabStrLen);
if (ret != SH_OK) {
return ret;
}
/* get fullpath str */
if (*tabStr != '/') {
if (strncpy_s(strPath, CMD_MAX_PATH, shellWorkingDirectory, CMD_MAX_PATH - 1)) {
OsFreeCmdPara(&parsed);
return (int)SH_ERROR;
}
if (strcmp(shellWorkingDirectory, "/")) {
if (strncat_s(strPath, CMD_MAX_PATH - 1, "/", CMD_MAX_PATH - strlen(strPath) - 1)) {
OsFreeCmdPara(&parsed);
return (int)SH_ERROR;
}
}
}
if (strncat_s(strPath, CMD_MAX_PATH - 1, tabStr, CMD_MAX_PATH - strlen(strPath) - 1)) {
OsFreeCmdPara(&parsed);
return (int)SH_ERROR;
}
/* split str by last '/' */
strEnd = strrchr(strPath, '/');
if (strEnd != NULL) {
if (strncpy_s(nameLooking, CMD_MAX_PATH, strEnd + 1, CMD_MAX_PATH - 1)) { /* get cmp str */
OsFreeCmdPara(&parsed);
return (int)SH_ERROR;
}
}
cutPos = strrchr(strPath, '/');
if (cutPos != NULL) {
*(cutPos + 1) = '\0';
}
OsFreeCmdPara(&parsed);
return SH_OK;
}
static int OsShowPageInputControl(void)
{
char readChar;
while (1) {
if (read(STDIN_FILENO, &readChar, 1) != 1) { /* get one char from stdin */
printf("\n");
return (int)SH_ERROR;
}
if ((readChar == 'q') || (readChar == 'Q') || (readChar == CTRL_C)) {
printf("\n");
return 0;
} else if (readChar == '\r') {
printf("\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b");
return 1;
}
}
}
static int OsShowPageControl(unsigned int timesPrint, unsigned int lineCap, unsigned int count)
{
if (NEED_NEW_LINE(timesPrint, lineCap)) {
printf("\n");
if (SCREEN_IS_FULL(timesPrint, lineCap) && (timesPrint < count)) {
printf("--More--");
return OsShowPageInputControl();
}
}
return 1;
}
static int OsSurePrintAll(unsigned int count)
{
char readChar = 0;
printf("\nDisplay all %u possibilities?(y/n)", count);
while (1) {
if (read(STDIN_FILENO, &readChar, 1) != 1) {
return (int)SH_ERROR;
}
if ((readChar == 'n') || (readChar == 'N') || (readChar == CTRL_C)) {
printf("\n");
return 0;
} else if ((readChar == 'y') || (readChar == 'Y') || (readChar == '\r')) {
return 1;
}
}
}
static int OsPrintMatchList(unsigned int count, const char *strPath, const char *nameLooking, unsigned int printLen)
{
unsigned int timesPrint = 0;
unsigned int lineCap;
int ret;
DIR *openDir = NULL;
struct dirent *readDir = NULL;
char formatChar[10] = {0}; /* 10:for formatChar length */
printLen = (printLen > (DEFAULT_SCREEN_WIDTH - 2)) ? (DEFAULT_SCREEN_WIDTH - 2) : printLen; /* 2:revered 2 bytes */
lineCap = DEFAULT_SCREEN_WIDTH / (printLen + 2); /* 2:DEFAULT_SCREEN_WIDTH revered 2 bytes */
if (snprintf_s(formatChar, sizeof(formatChar) - 1, 7, "%%-%us ", printLen) < 0) { /* 7:format-len */
return (int)SH_ERROR;
}
if (count > (lineCap * DEFAULT_SCREEN_HEIGHT)) {
ret = OsSurePrintAll(count);
if (ret != 1) {
return ret;
}
}
openDir = opendir(strPath);
if (openDir == NULL) {
return (int)SH_ERROR;
}
printf("\n");
for (readDir = readdir(openDir); readDir != NULL; readDir = readdir(openDir)) {
if (strncmp(nameLooking, readDir->d_name, strlen(nameLooking)) != 0) {
continue;
}
printf(formatChar, readDir->d_name);
timesPrint++;
ret = OsShowPageControl(timesPrint, lineCap, count);
if (ret != 1) {
if (closedir(openDir) < 0) {
return (int)SH_ERROR;
}
return ret;
}
}
printf("\n");
if (closedir(openDir) < 0) {
return (int)SH_ERROR;
}
return SH_OK;
}
static void StrncmpCut(const char *s1, char *s2, size_t n)
{
if ((n == 0) || (s1 == NULL) || (s2 == NULL)) {
return;
}
do {
if (*s1 && *s2 && (*s1 == *s2)) {
s1++;
s2++;
} else {
break;
}
} while (--n != 0);
if (n > 0) {
/* NULL pad the remaining n-1 bytes */
while (n-- != 0) {
*s2++ = 0;
}
}
return;
}
static void OsCompleteStr(char *result, const char *target, char *cmdKey, unsigned int *len)
{
unsigned int size = strlen(result) - strlen(target);
char *des = cmdKey + *len;
char *src = result + strlen(target);
while (size-- > 0) {
printf("%c", *src);
if (*len == (SHOW_MAX_LEN - 1)) {
*des = '\0';
break;
}
*des++ = *src++;
(*len)++;
}
}
static int OsExecNameMatch(const char *strPath, const char *nameLooking, char *strObj, unsigned int *maxLen)
{
int count = 0;
DIR *openDir = NULL;
struct dirent *readDir = NULL;
openDir = opendir(strPath);
if (openDir == NULL) {
return (int)SH_ERROR;
}
for (readDir = readdir(openDir); readDir != NULL; readDir = readdir(openDir)) {
if (strncmp(nameLooking, readDir->d_name, strlen(nameLooking)) != 0) {
continue;
}
if (count == 0) {
if (strncpy_s(strObj, CMD_MAX_PATH, readDir->d_name, CMD_MAX_PATH - 1)) {
(void)closedir(openDir);
return (int)SH_ERROR;
}
*maxLen = strlen(readDir->d_name);
} else {
/* strncmp&cut the same strings of name matched */
StrncmpCut(readDir->d_name, strObj, strlen(strObj));
if (strlen(readDir->d_name) > *maxLen) {
*maxLen = strlen(readDir->d_name);
}
}
count++;
}
if (closedir(openDir) < 0) {
return (int)SH_ERROR;
}
return count;
}
static int OsTabMatchFile(char *cmdKey, unsigned int *len)
{
unsigned int maxLen = 0;
int count;
char *strOutput = NULL;
char *strCmp = NULL;
char *dirOpen = (char *)malloc(CMD_MAX_PATH * 3); /* 3:dirOpen\strOutput\strCmp */
if (dirOpen == NULL) {
return (int)SH_ERROR;
}
(void)memset_s(dirOpen, CMD_MAX_PATH * 3, 0, CMD_MAX_PATH * 3); /* 3:dirOpen\strOutput\strCmp */
strOutput = dirOpen + CMD_MAX_PATH;
strCmp = strOutput + CMD_MAX_PATH;
if (OsStrSeparate(cmdKey, dirOpen, strCmp, *len)) {
free(dirOpen);
return (int)SH_ERROR;
}
count = OsExecNameMatch(dirOpen, strCmp, strOutput, &maxLen);
/* one or more matched */
if (count >= 1) {
OsCompleteStr(strOutput, strCmp, cmdKey, len);
if (count == 1) {
free(dirOpen);
return 1;
}
if (OsPrintMatchList((unsigned int)count, dirOpen, strCmp, maxLen) == -1) {
free(dirOpen);
return (int)SH_ERROR;
}
}
free(dirOpen);
return count;
}
/*
* Description: Pass in the string and clear useless space ,which include:
* 1) The overmatch space which is not be marked by Quote's area
* Squeeze the overmatch space into one space
* 2) Clear all space before first valid character
* Input: cmdKey : Pass in the buff string, which is ready to be operated
* cmdOut : Pass out the buffer string ,which has already been operated
* size : cmdKey length
*/
unsigned int OsCmdKeyShift(const char *cmdKey, char *cmdOut, unsigned int size)
{
char *output = NULL;
char *outputBak = NULL;
unsigned int len;
int ret;
bool quotes = FALSE;
if ((cmdKey == NULL) || (cmdOut == NULL)) {
return (unsigned int)SH_ERROR;
}
len = strlen(cmdKey);
if ((*cmdKey == '\n') || (len >= size)) {
return (unsigned int)SH_ERROR;
}
output = (char *)malloc(len + 1);
if (output == NULL) {
printf("malloc failure in %s[%d]\n", __FUNCTION__, __LINE__);
return (unsigned int)SH_ERROR;
}
/* Backup the 'output' start address */
outputBak = output;
/* Scan each character in 'cmdKey',and squeeze the overmuch space and ignore invalid character */
for (; *cmdKey != '\0'; cmdKey++) {
/* Detected a Double Quotes, switch the matching status */
if (*(cmdKey) == '\"') {
SWITCH_QUOTES_STATUS(quotes);
}
/* Ignore the current character in following situation */
/* 1) Quotes matching status is FALSE (which said that the space is not been marked by double quotes) */
/* 2) Current character is a space */
/* 3) Next character is a space too, or the string is been seeked to the end already(\0) */
/* 4) Invalid character, such as single quotes */
if ((*cmdKey == ' ') && ((*(cmdKey + 1) == ' ') || (*(cmdKey + 1) == '\0')) && QUOTES_STATUS_CLOSE(quotes)) {
continue;
}
if (*cmdKey == '\'') {
continue;
}
*output = *cmdKey;
output++;
}
*output = '\0';
/* Restore the 'output' start address */
output = outputBak;
len = strlen(output);
/* Clear the space which is located at the first character in buffer */
if (*output == ' ') {
output++;
len--;
}
/* Copy out the buffer which is been operated already */
ret = strncpy_s(cmdOut, size, output, len);
if (ret != SH_OK) {
printf("%s,%d strncpy_s failed, err:%d!\n", __FUNCTION__, __LINE__, ret);
free(outputBak);
return SH_ERROR;
}
cmdOut[len] = '\0';
free(outputBak);
return SH_OK;
}
int OsTabCompletion(char *cmdKey, unsigned int *len)
{
int count;
if ((cmdKey == NULL) || (len == NULL)) {
return (int)SH_ERROR;
}
count = OsTabMatchFile(cmdKey, len);
return count;
}
unsigned int OsShellKeyInit(ShellCB *shellCB)
{
CmdKeyLink *cmdKeyLink = NULL;
CmdKeyLink *cmdHistoryLink = NULL;
if (shellCB == NULL) {
return SH_ERROR;
}
cmdKeyLink = (CmdKeyLink *)malloc(sizeof(CmdKeyLink));
if (cmdKeyLink == NULL) {
printf("Shell CmdKeyLink memory alloc error!\n");
return SH_ERROR;
}
cmdHistoryLink = (CmdKeyLink *)malloc(sizeof(CmdKeyLink));
if (cmdHistoryLink == NULL) {
free(cmdKeyLink);
printf("Shell CmdHistoryLink memory alloc error!\n");
return SH_ERROR;
}
cmdKeyLink->count = 0;
SH_ListInit(&(cmdKeyLink->list));
shellCB->cmdKeyLink = (void *)cmdKeyLink;
cmdHistoryLink->count = 0;
SH_ListInit(&(cmdHistoryLink->list));
shellCB->cmdHistoryKeyLink = (void *)cmdHistoryLink;
shellCB->cmdMaskKeyLink = (void *)cmdHistoryLink;
return SH_OK;
}
void OsShellKeyDeInit(CmdKeyLink *cmdKeyLink)
{
CmdKeyLink *cmdtmp = NULL;
if (cmdKeyLink == NULL) {
return;
}
while (!SH_ListEmpty(&(cmdKeyLink->list))) {
cmdtmp = SH_LIST_ENTRY(cmdKeyLink->list.pstNext, CmdKeyLink, list);
SH_ListDelete(&cmdtmp->list);
free(cmdtmp);
}
cmdKeyLink->count = 0;
free(cmdKeyLink);
}
void OsShellCmdPush(const char *string, CmdKeyLink *cmdKeyLink)
{
CmdKeyLink *cmdNewNode = NULL;
unsigned int len;
if ((string == NULL) || (strlen(string) == 0)) {
return;
}
len = strlen(string);
cmdNewNode = (CmdKeyLink *)malloc(sizeof(CmdKeyLink) + len + 1);
if (cmdNewNode == NULL) {
return;
}
(void)memset_s(cmdNewNode, sizeof(CmdKeyLink) + len + 1, 0, sizeof(CmdKeyLink) + len + 1);
if (strncpy_s(cmdNewNode->cmdString, len + 1, string, len)) {
free(cmdNewNode);
return;
}
SH_ListTailInsert(&(cmdKeyLink->list), &(cmdNewNode->list));
return;
}
void OsShellHistoryShow(unsigned int value, ShellCB *shellCB)
{
CmdKeyLink *cmdtmp = NULL;
CmdKeyLink *cmdNode = shellCB->cmdHistoryKeyLink;
CmdKeyLink *cmdMask = shellCB->cmdMaskKeyLink;
int ret;
(void)pthread_mutex_lock(&shellCB->historyMutex);
if (value == CMD_KEY_DOWN) {
if (cmdMask == cmdNode) {
goto END;
}
cmdtmp = SH_LIST_ENTRY(cmdMask->list.pstNext, CmdKeyLink, list);
if (cmdtmp != cmdNode) {
cmdMask = cmdtmp;
} else {
goto END;
}
} else if (value == CMD_KEY_UP) {
cmdtmp = SH_LIST_ENTRY(cmdMask->list.pstPrev, CmdKeyLink, list);
if (cmdtmp != cmdNode) {
cmdMask = cmdtmp;
} else {
goto END;
}
}
while (shellCB->shellBufOffset--) {
printf("\b \b");
}
printf("%s", cmdMask->cmdString);
shellCB->shellBufOffset = strlen(cmdMask->cmdString);
(void)memset_s(shellCB->shellBuf, SHOW_MAX_LEN, 0, SHOW_MAX_LEN);
ret = memcpy_s(shellCB->shellBuf, SHOW_MAX_LEN, cmdMask->cmdString, shellCB->shellBufOffset);
if (ret != SH_OK) {
printf("%s, %d memcpy failed!\n", __FUNCTION__, __LINE__);
goto END;
}
shellCB->cmdMaskKeyLink = (void *)cmdMask;
END:
(void)pthread_mutex_unlock(&shellCB->historyMutex);
return;
}
unsigned int OsCmdExec(CmdParsed *cmdParsed, char *cmdStr)
{
unsigned int ret = SH_OK;
if (cmdParsed && cmdStr) {
ret = SH_NOK;
}
return ret;
}

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "shcmd.h"
#include "sherr.h"
/*
* Filter out double quote or single-quoted strings at both ends
*/
char *OsCmdParseStrdup(const char *str)
{
char *tempStr = NULL;
char *newStr = NULL;
newStr = (char *)malloc(strlen(str) + 1);
if (newStr == NULL) {
return NULL;
}
tempStr = newStr;
for (; *str != '\0'; str++) {
if ((*str == '\"') || (*str == '\'')) {
continue;
}
*newStr = *str;
newStr++;
}
*newStr = '\0';
return tempStr;
}
unsigned int OsCmdParseParaGet(char **value, const char *paraTokenStr)
{
if ((paraTokenStr == NULL) || (value == NULL)) {
return (unsigned int)SH_ERROR;
}
*value = OsCmdParseStrdup(paraTokenStr);
if (*value == NULL) {
return SH_NOK;
}
return SH_OK;
}
unsigned int OsCmdParseOneToken(CmdParsed *cmdParsed, unsigned int index, const char *token)
{
unsigned int ret = SH_OK;
unsigned int tempLen;
if (cmdParsed == NULL) {
return (unsigned int)SH_ERROR;
}
if (index == 0) {
if (cmdParsed->cmdType != CMD_TYPE_STD) {
return ret;
}
}
if ((token != NULL) && (cmdParsed->paramCnt < CMD_MAX_PARAS)) {
tempLen = cmdParsed->paramCnt;
ret = OsCmdParseParaGet(&(cmdParsed->paramArray[tempLen]), token);
if (ret != SH_OK) {
return ret;
}
cmdParsed->paramCnt++;
}
return ret;
}
unsigned int OsCmdTokenSplit(char *cmdStr, char split, CmdParsed *cmdParsed)
{
enum {
STAT_INIT,
STAT_TOKEN_IN,
STAT_TOKEN_OUT
} state = STAT_INIT;
unsigned int count = 0;
char *p = NULL;
char *token = cmdStr;
unsigned int ret = SH_OK;
bool quotes = FALSE;
if (cmdStr == NULL) {
return (unsigned int)SH_ERROR;
}
for (p = cmdStr; (*p != '\0') && (ret == SH_OK); p++) {
if (*p == '\"') {
SWITCH_QUOTES_STATUS(quotes);
}
switch (state) {
case STAT_INIT:
case STAT_TOKEN_IN:
if ((*p == split) && QUOTES_STATUS_CLOSE(quotes)) {
*p = '\0';
ret = OsCmdParseOneToken(cmdParsed, count++, token);
state = STAT_TOKEN_OUT;
}
break;
case STAT_TOKEN_OUT:
if (*p != split) {
token = p;
state = STAT_TOKEN_IN;
}
break;
default:
break;
}
}
if (((ret == SH_OK) && (state == STAT_TOKEN_IN)) || (state == STAT_INIT)) {
ret = OsCmdParseOneToken(cmdParsed, count, token);
}
return ret;
}
unsigned int OsCmdParse(char *cmdStr, CmdParsed *cmdParsed)
{
if ((cmdStr == NULL) || (cmdParsed == NULL) || (strlen(cmdStr) == 0)) {
return (unsigned int)SH_ERROR;
}
return OsCmdTokenSplit(cmdStr, ' ', cmdParsed);
}

716
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/shell/src/shmsg.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define _GNU_SOURCE
#include "stdlib.h"
#include "stdio.h"
#include "unistd.h"
#include "sys/prctl.h"
#include "sys/ioctl.h"
#include "syscall.h"
#include "sys/wait.h"
#include "pthread.h"
#include "securec.h"
#include "shmsg.h"
#include "shell_pri.h"
#include "shcmd.h"
#define CHAR_CTRL_C '\x03'
#define CHAR_CTRL_DEL '\x7F'
#define VISIABLE_CHAR(ch) ((ch) > 0x1F && (ch) < 0x7F)
char *GetCmdline(ShellCB *shellCB)
{
CmdKeyLink *cmdkey = shellCB->cmdKeyLink;
CmdKeyLink *cmdNode = NULL;
(void)pthread_mutex_lock(&shellCB->keyMutex);
if ((cmdkey == NULL) || SH_ListEmpty(&cmdkey->list)) {
(void)pthread_mutex_unlock(&shellCB->keyMutex);
return NULL;
}
cmdNode = SH_LIST_ENTRY(cmdkey->list.pstNext, CmdKeyLink, list);
if (cmdNode == NULL) {
(void)pthread_mutex_unlock(&shellCB->keyMutex);
return NULL;
}
SH_ListDelete(&(cmdNode->list));
(void)pthread_mutex_unlock(&shellCB->keyMutex);
if (strlen(cmdNode->cmdString) == 0) {
free(cmdNode);
return NULL;
}
return cmdNode->cmdString;
}
static void ShellSaveHistoryCmd(char *string, ShellCB *shellCB)
{
CmdKeyLink *cmdHistory = shellCB->cmdHistoryKeyLink;
CmdKeyLink *cmdkey = SH_LIST_ENTRY(string, CmdKeyLink, cmdString);
CmdKeyLink *cmdNxt = NULL;
if (*string == '\n') {
free(cmdkey);
return;
}
(void)pthread_mutex_lock(&shellCB->historyMutex);
if (cmdHistory->count != 0) {
cmdNxt = SH_LIST_ENTRY(cmdHistory->list.pstPrev, CmdKeyLink, list);
if (strcmp(string, cmdNxt->cmdString) == 0) {
free((void *)cmdkey);
(void)pthread_mutex_unlock(&shellCB->historyMutex);
return;
}
}
if (cmdHistory->count >= CMD_HISTORY_LEN) {
cmdNxt = SH_LIST_ENTRY(cmdHistory->list.pstNext, CmdKeyLink, list);
SH_ListDelete(&(cmdNxt->list));
SH_ListTailInsert(&(cmdHistory->list), &(cmdkey->list));
free((void *)cmdNxt);
(void)pthread_mutex_unlock(&shellCB->historyMutex);
return;
}
SH_ListTailInsert(&(cmdHistory->list), &(cmdkey->list));
cmdHistory->count++;
(void)pthread_mutex_unlock(&shellCB->historyMutex);
return;
}
int ShellPend(ShellCB *shellCB)
{
if (shellCB == NULL) {
return SH_NOK;
}
return sem_wait(&shellCB->shellSem);
}
int ShellNotify(ShellCB *shellCB)
{
if (shellCB == NULL) {
return SH_NOK;
}
return sem_post(&shellCB->shellSem);
}
enum {
STAT_NORMAL_KEY,
STAT_ESC_KEY,
STAT_MULTI_KEY
};
static int ShellCmdLineCheckUDRL(const char ch, ShellCB *shellCB)
{
int ret = SH_OK;
if (ch == 0x1b) { /* 0x1b: ESC */
shellCB->shellKeyType = STAT_ESC_KEY;
return ret;
} else if (ch == 0x5b) { /* 0x5b: first Key combination */
if (shellCB->shellKeyType == STAT_ESC_KEY) {
shellCB->shellKeyType = STAT_MULTI_KEY;
return ret;
}
} else if (ch == 0x41) { /* up */
if (shellCB->shellKeyType == STAT_MULTI_KEY) {
OsShellHistoryShow(CMD_KEY_UP, shellCB);
shellCB->shellKeyType = STAT_NORMAL_KEY;
return ret;
}
} else if (ch == 0x42) { /* down */
if (shellCB->shellKeyType == STAT_MULTI_KEY) {
shellCB->shellKeyType = STAT_NORMAL_KEY;
OsShellHistoryShow(CMD_KEY_DOWN, shellCB);
return ret;
}
} else if (ch == 0x43) { /* right */
if (shellCB->shellKeyType == STAT_MULTI_KEY) {
shellCB->shellKeyType = STAT_NORMAL_KEY;
return ret;
}
} else if (ch == 0x44) { /* left */
if (shellCB->shellKeyType == STAT_MULTI_KEY) {
shellCB->shellKeyType = STAT_NORMAL_KEY;
return ret;
}
}
return SH_NOK;
}
void ShellTaskNotify(ShellCB *shellCB)
{
int ret;
(void)pthread_mutex_lock(&shellCB->keyMutex);
OsShellCmdPush(shellCB->shellBuf, shellCB->cmdKeyLink);
(void)pthread_mutex_unlock(&shellCB->keyMutex);
ret = ShellNotify(shellCB);
if (ret != SH_OK) {
printf("command execute failed, \"%s\"", shellCB->shellBuf);
}
}
void ParseEnterKey(OutputFunc outputFunc, ShellCB *shellCB)
{
if ((shellCB == NULL) || (outputFunc == NULL)) {
return;
}
if (shellCB->shellBufOffset == 0) {
shellCB->shellBuf[shellCB->shellBufOffset] = '\n';
shellCB->shellBuf[shellCB->shellBufOffset + 1] = '\0';
goto NOTIFY;
}
if (shellCB->shellBufOffset <= (SHOW_MAX_LEN - 1)) {
shellCB->shellBuf[shellCB->shellBufOffset] = '\0';
}
NOTIFY:
shellCB->shellBufOffset = 0;
ShellTaskNotify(shellCB);
}
void ParseCancelKey(OutputFunc outputFunc, ShellCB *shellCB)
{
if ((shellCB == NULL) || (outputFunc == NULL)) {
return;
}
if (shellCB->shellBufOffset <= (SHOW_MAX_LEN - 1)) {
shellCB->shellBuf[0] = CHAR_CTRL_C;
shellCB->shellBuf[1] = '\0';
}
shellCB->shellBufOffset = 0;
ShellTaskNotify(shellCB);
}
void ParseDeleteKey(OutputFunc outputFunc, ShellCB *shellCB)
{
if ((shellCB == NULL) || (outputFunc == NULL)) {
return;
}
if ((shellCB->shellBufOffset > 0) && (shellCB->shellBufOffset <= (SHOW_MAX_LEN - 1))) {
shellCB->shellBuf[shellCB->shellBufOffset - 1] = '\0';
shellCB->shellBufOffset--;
outputFunc("\b \b");
}
}
void ParseTabKey(OutputFunc outputFunc, ShellCB *shellCB)
{
int ret;
if ((shellCB == NULL) || (outputFunc == NULL)) {
return;
}
if ((shellCB->shellBufOffset > 0) && (shellCB->shellBufOffset < (SHOW_MAX_LEN - 1))) {
ret = OsTabCompletion(shellCB->shellBuf, &shellCB->shellBufOffset);
if (ret > 1) {
outputFunc(SHELL_PROMPT"%s", shellCB->shellBuf);
}
}
}
void ParseNormalChar(char ch, OutputFunc outputFunc, ShellCB *shellCB)
{
if ((shellCB == NULL) || (outputFunc == NULL) || !VISIABLE_CHAR(ch)) {
return;
}
if ((ch != '\0') && (shellCB->shellBufOffset < (SHOW_MAX_LEN - 1))) {
shellCB->shellBuf[shellCB->shellBufOffset] = ch;
shellCB->shellBufOffset++;
outputFunc("%c", ch);
}
shellCB->shellKeyType = STAT_NORMAL_KEY;
}
void ShellCmdLineParse(char c, OutputFunc outputFunc, ShellCB *shellCB)
{
const char ch = c;
int ret;
if ((shellCB->shellBufOffset == 0) && (ch != '\n') && (ch != CHAR_CTRL_C) && (ch != '\0')) {
(void)memset_s(shellCB->shellBuf, SHOW_MAX_LEN, 0, SHOW_MAX_LEN);
}
switch (ch) {
case '\r':
case '\n': /* enter */
ParseEnterKey(outputFunc, shellCB);
break;
case CHAR_CTRL_C: /* ctrl + c */
ParseCancelKey(outputFunc, shellCB);
break;
case '\b': /* backspace */
case CHAR_CTRL_DEL: /* delete(0x7F) */
ParseDeleteKey(outputFunc, shellCB);
break;
case '\t': /* tab */
ParseTabKey(outputFunc, shellCB);
break;
default:
/* parse the up/down/right/left key */
ret = ShellCmdLineCheckUDRL(ch, shellCB);
if (ret == SH_OK) {
return;
}
ParseNormalChar(ch, outputFunc, shellCB);
break;
}
return;
}
unsigned int ShellMsgNameGet(CmdParsed *cmdParsed, const char *cmdType)
{
(void)cmdParsed;
(void)cmdType;
return SH_ERROR;
}
char *GetCmdName(const char *cmdline, unsigned int len)
{
unsigned int loop;
const char *tmpStr = NULL;
bool quotes = FALSE;
char *cmdName = NULL;
if (cmdline == NULL) {
return NULL;
}
cmdName = (char *)malloc(len + 1);
if (cmdName == NULL) {
printf("malloc failure in %s[%d]\n", __FUNCTION__, __LINE__);
return NULL;
}
/* Scan the 'cmdline' string for command */
/* Notice: Command string must not have any special name */
for (tmpStr = cmdline, loop = 0; (*tmpStr != '\0') && (loop < len); ) {
/* If reach a double quotes, switch the quotes matching status */
if (*tmpStr == '\"') {
SWITCH_QUOTES_STATUS(quotes);
/* Ignore the double quote character itself */
tmpStr++;
continue;
}
/* If detected a space which the quotes matching status is false */
/* which said has detected the first space for separator, finish this scan operation */
if ((*tmpStr == ' ') && (QUOTES_STATUS_CLOSE(quotes))) {
break;
}
cmdName[loop] = *tmpStr++;
loop++;
}
cmdName[loop] = '\0';
return cmdName;
}
void ChildExec(const char *cmdName, char *const paramArray[])
{
int ret;
pid_t gid;
ret = setpgrp();
if (ret == -1) {
exit(1);
}
gid = getpgrp();
if (gid < 0) {
printf("get group id failed, pgrpid %d, errno %d\n", gid, errno);
exit(1);
}
ret = tcsetpgrp(STDIN_FILENO, gid);
if (ret != 0) {
printf("tcsetpgrp failed, errno %d\n", errno);
exit(1);
}
ret = execve(cmdName, paramArray, NULL);
if (ret == -1) {
perror("execve");
exit(-1);
}
}
int CheckExit(const char *cmdName, const CmdParsed *cmdParsed)
{
int ret = 0;
if (strlen(cmdName) != CMD_EXIT_COMMAND_BYTES || strncmp(cmdName, CMD_EXIT_COMMAND, CMD_EXIT_COMMAND_BYTES) != 0) {
return 0;
}
if (cmdParsed->paramCnt > 1) {
printf("exit: too many arguments\n");
return -1;
}
if (cmdParsed->paramCnt == 1) {
char *p = NULL;
ret = strtol(cmdParsed->paramArray[0], &p, CMD_EXIT_CODE_BASE_DEC);
if (*p != '\0') {
printf("exit: bad number: %s\n", cmdParsed->paramArray[0]);
return -1;
}
}
exit(ret);
}
static void DoCmdExec(const char *cmdName, const char *cmdline, unsigned int len, const CmdParsed *cmdParsed)
{
int ret;
pid_t forkPid;
if (strncmp(cmdline, CMD_EXEC_COMMAND, CMD_EXEC_COMMAND_BYTES) == 0) {
forkPid = fork();
if (forkPid < 0) {
printf("Faild to fork from shell\n");
return;
} else if (forkPid == 0) {
ChildExec(cmdParsed->paramArray[0], cmdParsed->paramArray);
} else {
waitpid(forkPid, 0, 0);
ret = tcsetpgrp(STDIN_FILENO, getpid());
if (ret != 0) {
printf("tcsetpgrp failed, errno %d\n", errno);
}
}
} else {
if (CheckExit(cmdName, cmdParsed) < 0) {
return;
}
(void)syscall(__NR_shellexec, cmdName, cmdline);
}
}
static void ParseAndExecCmdline(CmdParsed *cmdParsed, const char *cmdline, unsigned int len)
{
int i;
unsigned int ret;
char shellWorkingDirectory[PATH_MAX + 1] = { 0 };
char *cmdlineOrigin = NULL;
char *cmdName = NULL;
cmdlineOrigin = strdup(cmdline);
if (cmdlineOrigin == NULL) {
printf("malloc failure in %s[%d]\n", __FUNCTION__, __LINE__);
return;
}
cmdName = GetCmdName(cmdline, len);
if (cmdName == NULL) {
free(cmdlineOrigin);
printf("malloc failure in %s[%d]\n", __FUNCTION__, __LINE__);
return;
}
ret = OsCmdParse((char *)cmdline, cmdParsed);
if (ret != SH_OK) {
printf("cmd parse failure in %s[%d]\n", __FUNCTION__, __LINE__);
goto OUT;
}
DoCmdExec(cmdName, cmdlineOrigin, len, cmdParsed);
if (getcwd(shellWorkingDirectory, PATH_MAX) != NULL) {
(void)OsShellSetWorkingDirectory(shellWorkingDirectory, (PATH_MAX + 1));
}
OUT:
for (i = 0; i < cmdParsed->paramCnt; i++) {
if (cmdParsed->paramArray[i] != NULL) {
free(cmdParsed->paramArray[i]);
cmdParsed->paramArray[i] = NULL;
}
}
free(cmdName);
free(cmdlineOrigin);
}
unsigned int PreHandleCmdline(const char *input, char **output, unsigned int *outputlen)
{
unsigned int shiftLen, execLen, newLen;
unsigned int removeLen = strlen("./"); /* "./" needs to be removed if it exists */
unsigned int ret;
char *newCmd = NULL;
char *execCmd = CMD_EXEC_COMMAND;
const char *cmdBuf = input;
unsigned int cmdBufLen = strlen(cmdBuf);
char *shiftStr = (char *)malloc(cmdBufLen + 1);
errno_t err;
if (shiftStr == NULL) {
printf("malloc failure in %s[%d]\n", __FUNCTION__, __LINE__);
return SH_NOK;
}
(void)memset_s(shiftStr, cmdBufLen + 1, 0, cmdBufLen + 1);
/* Call function 'OsCmdKeyShift' to squeeze and clear useless or overmuch space if string buffer */
ret = OsCmdKeyShift(cmdBuf, shiftStr, cmdBufLen + 1);
shiftLen = strlen(shiftStr);
if ((ret != SH_OK) || (shiftLen == 0)) {
ret = SH_NOK;
goto END_FREE_SHIFTSTR;
}
*output = shiftStr;
*outputlen = shiftLen;
/* Check and parse "./", located at the first two characters of the cmd */
if ((shiftLen > removeLen) && (shiftStr[0] == '.') && (shiftStr[1] == '/')) {
execLen = strlen(execCmd);
newLen = execLen + shiftLen - removeLen; /* i.e., newLen - execLen == shiftLen - removeLen */
newCmd = (char *)malloc(newLen + 1);
if (newCmd == NULL) {
ret = SH_NOK;
printf("malloc failure in %s[%d]\n", __FUNCTION__, __LINE__);
goto END_FREE_SHIFTSTR;
}
err = memcpy_s(newCmd, newLen, execCmd, execLen);
if (err != EOK) {
printf("memcpy_s failure in %s[%d]\n", __FUNCTION__, __LINE__);
ret = SH_NOK;
goto END_FREE_NEWCMD;
}
err = memcpy_s(newCmd + execLen, newLen - execLen, shiftStr + removeLen, shiftLen - removeLen);
if (err != EOK) {
printf("memcpy_s failure in %s[%d]\n", __FUNCTION__, __LINE__);
ret = SH_NOK;
goto END_FREE_NEWCMD;
}
newCmd[newLen] = '\0';
*output = newCmd;
*outputlen = newLen;
ret = SH_OK;
goto END_FREE_SHIFTSTR;
} else {
ret = SH_OK;
goto END;
}
END_FREE_NEWCMD:
free(newCmd);
END_FREE_SHIFTSTR:
free(shiftStr);
END:
return ret;
}
static void ExecCmdline(const char *cmdline)
{
unsigned int ret;
char *output = NULL;
unsigned int outputlen;
CmdParsed cmdParsed;
if (cmdline == NULL) {
return;
}
/* strip out unnecessary characters */
ret = PreHandleCmdline(cmdline, &output, &outputlen);
if (ret == SH_NOK) {
return;
}
(void)memset_s(&cmdParsed, sizeof(CmdParsed), 0, sizeof(CmdParsed));
ParseAndExecCmdline(&cmdParsed, output, outputlen);
free(output);
}
void RecycleZombieChild(void)
{
while (waitpid(-1, NULL, WNOHANG) > 0) {
continue;
}
}
static void ShellCmdProcess(ShellCB *shellCB)
{
char *buf = NULL;
while (1) {
/* recycle zombine child process */
RecycleZombieChild();
buf = GetCmdline(shellCB);
if (buf == NULL) {
break;
}
if (buf[0] == CHAR_CTRL_C) {
printf("^C");
buf[0] = '\n';
}
printf("\n");
ExecCmdline(buf);
ShellSaveHistoryCmd(buf, shellCB);
shellCB->cmdMaskKeyLink = shellCB->cmdHistoryKeyLink;
printf(SHELL_PROMPT);
}
}
void *ShellTask(void *argv)
{
int ret;
ShellCB *shellCB = (ShellCB *)argv;
if (shellCB == NULL) {
return NULL;
}
ret = prctl(PR_SET_NAME, "ShellTask");
if (ret != SH_OK) {
return NULL;
}
printf(SHELL_PROMPT);
while (1) {
ret = ShellPend(shellCB);
if (ret == SH_OK) {
ShellCmdProcess(shellCB);
} else if (ret != SH_OK) {
break;
}
}
return NULL;
}
int ShellTaskInit(ShellCB *shellCB)
{
unsigned int ret;
size_t stackSize = SHELL_TASK_STACKSIZE;
void *arg = NULL;
pthread_attr_t attr;
if (shellCB == NULL) {
return SH_NOK;
}
ret = pthread_attr_init(&attr);
if (ret != SH_OK) {
return SH_NOK;
}
pthread_attr_setstacksize(&attr, stackSize);
arg = (void *)shellCB;
ret = pthread_create(&shellCB->shellTaskHandle, &attr, &ShellTask, arg);
if (ret != SH_OK) {
return SH_NOK;
}
return ret;
}
static int ShellKernelReg(unsigned int shellHandle)
{
return ioctl(STDIN_FILENO, CONSOLE_CONTROL_REG_USERTASK, shellHandle);
}
void *ShellEntry(void *argv)
{
char ch;
int ret;
int n;
pid_t tid = syscall(__NR_gettid);
ShellCB *shellCB = (ShellCB *)argv;
if (shellCB == NULL) {
return NULL;
}
(void)memset_s(shellCB->shellBuf, SHOW_MAX_LEN, 0, SHOW_MAX_LEN);
ret = prctl(PR_SET_NAME, "ShellEntry");
if (ret != SH_OK) {
return NULL;
}
ret = ShellKernelReg((int)tid);
if (ret != 0) {
printf("another shell is already running!\n");
exit(-1);
}
while (1) {
n = read(0, &ch, 1);
if (n == 1) {
ShellCmdLineParse(ch, (OutputFunc)printf, shellCB);
}
}
return NULL;
}
int ShellEntryInit(ShellCB *shellCB)
{
int ret;
size_t stackSize = SHELL_ENTRY_STACKSIZE;
void *arg = NULL;
pthread_attr_t attr;
if (shellCB == NULL) {
return SH_NOK;
}
ret = pthread_attr_init(&attr);
if (ret != SH_OK) {
return SH_NOK;
}
pthread_attr_setstacksize(&attr, stackSize);
arg = (void *)shellCB;
ret = pthread_create(&shellCB->shellEntryHandle, &attr, &ShellEntry, arg);
if (ret != SH_OK) {
return SH_NOK;
}
return ret;
}

41
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/tftp/BUILD.gn
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//kernel/liteos_a/liteos.gni")
executable("tftp") {
sources = [
"src/main.c",
"src/tftpc.c",
]
deps = [ "$LITEOSTHIRDPARTY/bounds_checking_function:libsec_static" ]
include_dirs = [ "include" ]
}

45
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/tftp/Makefile
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@ -1,45 +0,0 @@
# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
include $(APPSTOPDIR)/config.mk
APP_NAME := $(notdir $(shell pwd))
SECUREC_DIR := $(LITEOSTHIRDPARTY)/bounds_checking_function
LOCAL_SRCS = $(wildcard src/*.c)
LOCAL_SRCS += $(wildcard $(SECUREC_DIR)/src/*.c)
LOCAL_INCLUDE := \
-I include \
-I $(SECUREC_DIR)/include
LOCAL_FLAGS += $(LOCAL_INCLUDE)
include $(APP)

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TFTPC_H
#define TFTPC_H
#include "types_adapt.h"
#if LWIP_TFTP /* don't build if not configured for use in lwipopts.h */
#if defined (__cplusplus) && __cplusplus
extern "C" {
#endif
#define TFTP_NULL_UINT32 ((u32_t)0xffffffffUL)
#define TFTP_NULL_INT32 (-1)
/** @cond liteos
* @defgroup TFTP_Interfaces
* @ingroup Enums
* * This section contains the TFTP enums.
*/
/**
*
* This Enum is used to specify the transfer mode of the file to be handled by TFTP client.
*/
typedef enum tagTFTPC_TransferMode {
TRANSFER_MODE_ASCII = 0, /**< Indicates that the mode of transfer is ASCII. */
TRANSFER_MODE_BINARY, /**< Indicates that the mode of transfer is Binary */
TRANSFER_MODE_BUTT /**< Indicates invalid transfer mode.*/
} TFTPC_TRANSFER_MODE_E;
/**
* This Enum is used to specify the transfer mode to be handled by TFTP client
* This Enum indicates the TFTP client transfer mode of the file
*/
typedef enum tagTFTPC_ErrCode {
TFTPC_SOCKET_FAILURE = 1, /**< Error while creating UDP socket. */
TFTPC_BIND_FAILURE = 2, /**< Error while binding to the UDP socket. */
TFTPC_SELECT_ERROR = 3, /**< Error returned by select() system call. */
TFTPC_RECVFROM_ERROR = 4, /**< Error while receiving data from the peer. */
TFTPC_SENDTO_ERROR = 5, /**< Error while sending data to the peer. */
TFTPC_FILE_NOT_FOUND = 6, /**< Requested file is not found. */
/**< This is the error sent by the server when host name cannot be resolved. */
TFTPC_CANNOT_RESOLVE_HOSTNAME = 7,
TFTPC_INVALID_PARAVALUE = 8, /**< Input parameters passed to TFTP interfaces are invalid. */
/**< Error detected in TFTP packet or the error received from the TFTP server. */
TFTPC_PROTO_ERROR = 9,
/**< Error during packet synchronization while sending or unexpected packet is received. */
TFTPC_SYNC_FAILURE = 10,
/**< File size limit crossed, Max block can be 0xFFFF, each block containing 512 bytes. */
TFTPC_FILE_TOO_BIG = 11,
TFTPC_SRC_FILENAME_LENGTH_ERROR = 12, /**< File name length greater than 256. */
TFTPC_IP_NOT_WITHIN_RANGE = 13, /**< Host name IP is not valid. */
TFTPC_ACCESS_ERROR = 14, /**< TFTP server returned file access error. */
/**< TFTP server returned error signifying that the DISK is full to write. */
TFTPC_DISK_FULL = 15,
TFTPC_FILE_EXISTS = 16, /**< TFTP server returned error signifying that the file exists. */
/**< tftp_put_file_by_filename returned error signifying that the source file name do not exist. */
TFTPC_FILE_NOT_EXIST = 17,
TFTPC_MEMALLOC_ERROR = 18, /**< Memory allocation failed in TFTP client. */
TFTPC_FILEOPEN_ERROR = 19, /**< File open failed. */
TFTPC_FILEREAD_ERROR = 20, /**< File read error. */
TFTPC_FILECREATE_ERROR = 21, /**< File create error. */
TFTPC_FILEWRITE_ERROR = 22, /**< File write error. */
TFTPC_TIMEOUT_ERROR = 23, /**< Max time expired while waiting for file to be received. */
/**< Error when the received packet is less than 4 bytes (error length) or greater than 512 bytes. */
TFTPC_PKT_SIZE_ERROR = 24,
TFTPC_ERROR_NOT_DEFINED = 25, /**< Returned by TFTP server for protocol user error. */
TFTPC_DEST_PATH_LENGTH_ERROR = 26, /**< If the destination file path length is greater than 256. */
TFTPC_UNKNOWN_TRANSFER_ID = 27, /**< Returned by TFTP server for undefined transfer ID. */
/**< IOCTL function failed at TFTP client while setting the socket to non-block. */
TFTPC_IOCTLSOCKET_FAILURE = 28,
TFTPC_MEMCPY_FAILURE = 29 /**< TFTP memcpy failure. */
} TFTPC_ERR_CODE_E;
typedef enum tagTFTPC_OpCode {
TFTPC_OP_RRQ = 1, /* read request */
TFTPC_OP_WRQ, /* write request */
TFTPC_OP_DATA, /* data packet */
TFTPC_OP_ACK, /* acknowledgment */
TFTPC_OP_ERROR, /* error code */
TFTPC_OP_OPT /* option code */
} TFTPC_OPCODE_E;
typedef enum tagTFTPC_PROTOCOL_ErrCode {
TFTPC_PROTOCOL_USER_DEFINED = 0,
TFTPC_PROTOCOL_FILE_NOT_FOUND,
TFTPC_PROTOCOL_ACCESS_ERROR,
TFTPC_PROTOCOL_DISK_FULL,
TFTPC_PROTOCOL_PROTO_ERROR,
TFTPC_PROTOCOL_UNKNOWN_TRANSFER_ID,
TFTPC_PROTOCOL_FILE_EXISTS,
TFTPC_PROTOCOL_CANNOT_RESOLVE_HOSTNAME
} TFTPC_PROT_ERRCODE_E;
#ifndef TFTPC_MAX_SEND_REQ_ATTEMPTS
#define TFTPC_MAX_SEND_REQ_ATTEMPTS 5 /* tftp max attempts */
#endif
#ifndef TFTPC_TIMEOUT_PERIOD
#define TFTPC_TIMEOUT_PERIOD 5 /* tftp timeout period,unit :s */
#endif
#define TFTPC_SERVER_PORT 69 /* tftp server well known port no. */
/* MAX file size in TFTP is 32 MB.
Reason for keeping 75 here , is ((75*512=38400bytes)/1024) = 37MB. So the recv/Send Loop can
receive the complete MAX message from the network
*/
#define TFTPC_MAX_WAIT_IN_LOOP 75
#define TFTP_BLKSIZE 512 /* data block size (IEN-133) */
#define TFTP_HDRSIZE 4 /* TFTP header size */
#define TFTP_PKTSIZE (TFTP_BLKSIZE + TFTP_HDRSIZE) /* Packet size */
#define TFTP_MAX_MODE_SIZE 9 /* max size of mode string */
#define TFTP_MAXERRSTRSIZE 100 /* max size of error message string */
#define TFTP_MAX_PATH_LENGTH 256 /* Max path or filename length */
#define TFTP_MAX_BLK_NUM (0xFFFFL) /* MAximum block number */
/* IP address not including reserved IPs(0 and 127) and multicast addresses(Class D) */
#define TFTPC_IP_ADDR_MIN 0x01000000
#define TFTPC_IP_ADDR_EX_RESV 0x7effffff
#define TFTPC_IP_ADDR_CLASS_B 0x80000000
#define TFTPC_IP_ADDR_EX_CLASS_DE 0xdfffffff
#define TFTPC_FOUR 4 /* minimum packet size */
/****************************************************************************/
/* Structure definitions */
/****************************************************************************/
/* Tftp data packet */
typedef struct tagTFTPC_DATA {
u16_t usBlknum; /* block number */
u8_t ucDataBuf[TFTP_BLKSIZE]; /* Actual data */
} TFTPC_DATA_S;
/* TFTP error packet */
typedef struct tagTFTPC_ERROR {
u16_t usErrNum; /* error number */
u8_t ucErrMesg[TFTP_MAXERRSTRSIZE]; /* error message */
} TFTPC_ERROR_S;
/* TFTP packet format */
typedef struct tagTFTPC_PACKET {
u16_t usOpcode; /* Opcode value */
union {
/* it contains mode and filename */
s8_t ucName_Mode[TFTP_MAX_PATH_LENGTH + TFTP_MAX_MODE_SIZE];
u16_t usBlknum; /* Block Number */
TFTPC_DATA_S stTFTP_Data; /* Data Packet */
TFTPC_ERROR_S stTFTP_Err; /* Error Packet */
} u;
} TFTPC_PACKET_S;
/** @defgroup TFTP_Interfaces
* This section contains the TFTP Interfaces
*/
/*
Func Name: lwip_tftp_get_file_by_filename
*/
/**
* @ingroup TFTP_Interfaces
* @brief
* This API gets the source file from the server. It then stores the received file in the destination path
* on the client system.
*
* @param[in] ulHostAddr IP address of Host. This is the TFTP server IP. [NA]
* @param[in] usTftpServPort TFTP server port. If the value is passed as 0 then the default TFTP
* PORT 69 is used. [NA]
* @param[in] ucTftpTransMode File transfer mode, either TRANSFER_MODE_BINARY or TRANSFER_MODE_ASCII. [NA]
* @param[in] szSrcFileName Source file in the tftp server. [NA]
* @param[in] szDestDirPath Destination file path in the in the client. [NA]
* @param[out] [N/A]
*
* @return
* ERR_OK: On success \n
* TFTPC_ERR_CODE_E: On failure
*
* @note
* \n
* The behavior of this API is such that if the destination file already exists, it will be overwritten.
*/
u32_t lwip_tftp_get_file_by_filename(u32_t ulHostAddr,
u16_t usTftpServPort,
u8_t ucTftpTransMode,
s8_t *szSrcFileName,
s8_t *szDestDirPath);
/* @defgroup TFTP_Interfaces
* This section contains the TFTP Interfaces
*/
/*
Func Name: lwip_tftp_put_file_by_filename
*/
/**
* @ingroup TFTP_Interfaces
* @brief
* This API reads the contents of the source file on the client system and sends it to the server and
* server then receives the data and stores it in the specified destination path.
*
* @param[in] ulHostAddr Indicates the IP address of Host. This is the TFTP server IP.
* @param[in] usTftpServPort Indicates the TFTP server port. If the value is passed as 0 then the default TFTP
* PORT 69 is used.
* @param[in] ucTftpTransMode Indicates the file transfer mode, either TRANSFER_MODE_BINARY or TRANSFER_MODE_ASCII.
* @param[in] szSrcFileName Indicates the source file in the client.
* @param[in] szDestDirPath Indicates the destination file path on the tftp server.
*
* @return
* ERR_OK: On success \n
* TFTPC_ERR_CODE_E: On failure
*
*/
u32_t lwip_tftp_put_file_by_filename(u32_t ulHostAddr,
u16_t usTftpServPort,
u8_t cTftpTransMode,
s8_t *szSrcFileName,
s8_t *szDestDirPath);
#ifdef TFTP_TO_RAWMEM
/* @defgroup TFTP_Interfaces
* This section contains the TFTP Interfaces
*/
/*
Func Name: lwip_tftp_get_file_by_filename_to_rawmem
*/
/**
* @ingroup TFTP_Interfaces
* @brief
* This API gets the source file from the server. It then stores the received file in the target memory
* on the client system.
*
* @param[in] ulHostAddr Indicates the IP address of the Host. This is the TFTP server IP.
* @param[in] usTftpServPort Indicates the TFTP server port. If the value is passed as 0 then the default TFTP
* PORT 69 is used.
* @param[in] ucTftpTransMode Indicates the File transfer mode, either TRANSFER_MODE_BINARY or TRANSFER_MODE_ASCII.
* @param[in] szSrcFileName Indicates the Source file in the TFTP server.
* @param[in] szDestMemAddr Indicates the target memory address in the client.
* @param[in/out] ulFileLength Indicates the target memory address can cache the size of the content,
and The real size of the Source file.
*
* @return
* ERR_OK: On success \n
* TFTPC_ERR_CODE_E: On failure
* @note
* 1.You must define TFTP_TO_RAWMEM when using this API. \n
* 2.The behavior of this API is such that if the destination file already exists, it will be overwritten.
* @endcond
*/
u32_t lwip_tftp_get_file_by_filename_to_rawmem(u32_t ulHostAddr,
u16_t usTftpServPort,
u8_t ucTftpTransMode,
s8_t *szSrcFileName,
s8_t *szDestMemAddr,
u32_t *ulFileLength);
#endif
#if defined (__cplusplus) && __cplusplus
}
#endif
#endif /* LWIP_TFTP */
#endif /* TFTPC_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/tftp/include/types_adapt.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TYPES_ADAPT_H
#define TYPES_ADAPT_H
#include <stdint.h>
#include <stdbool.h>
#include <inttypes.h>
#define LWIP_TFTP 1
#define LOSCFG_NET_LWIP_SACK_TFTP 1
#define LOSCFG_SHELL_CMD_DEBUG 1
#define u8_t uint8_t
#define s8_t int8_t
#define u16_t uint16_t
#define s16_t int16_t
#define u32_t uint32_t
#define s32_t int32_t
#define X8_F "02" PRIx8
#define U16_F PRIu16
#define S16_F PRId16
#define X16_F PRIx16
#define U32_F PRIu32
#define S32_F PRId32
#define X32_F PRIx32
#define SZT_F PRIuPTR
#define PRINTK(fmt, ...) printf(fmt, ##__VA_ARGS__)
#define LWIP_ASSERT(msg, expr) assert(expr)
#define LWIP_DEBUGF(module, msg) PRINTK msg
#define LOS_OK 0
#define LOS_NOK 1
#define ERR_OK 0
#define EOK 0
#define mem_malloc malloc
#define mem_free free
#define lwip_socket socket
#define lwip_ioctl ioctl
#define lwip_close close
#define lwip_bind bind
#define lwip_sendto sendto
#define lwip_recvfrom recvfrom
#define IPADDR_NONE INADDR_NONE
#define DEFFILEMODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
#define SHELLCMD_ENTRY(l, cmdType, cmdKey, paraNum, cmdHook) \
int main(int argc, const char **argv) \
{ \
return (int)cmdHook(argc, argv); \
}
typedef u32_t (*CmdCallBackFunc)(u32_t argc, const char **argv);
#endif /* TYPES_ADAPT_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/tftp/src/main.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <string.h>
#include <assert.h>
#include "tftpc.h"
#ifdef LOSCFG_NET_LWIP_SACK_TFTP
static int tcpip_init_finish = 1;
static char *TftpError[] = {
"TFTP transfer finish\n",
"Error while creating UDP socket\n",
"Error while binding to the UDP socket\n",
"Error returned by select() system call\n",
"Error while receiving data from the peer\n",
"Error while sending data to the peer\n",
"Requested file is not found\n",
"This is the error sent by the server when hostname cannot be resolved\n",
"Input parameters passed to TFTP interfaces are invalid\n",
"Error detected in TFTP packet or the error received from the TFTP server\n",
"Error during packet synhronization while sending or unexpected packet is received\n",
"File size limit crossed, Max block can be 0xFFFF, each block containing 512 bytes\n",
"File name length greater than 256\n",
"Hostname IP is not valid\n",
"TFTP server returned file access error\n",
"TFTP server returned error signifying that the DISK is full to write\n",
"TFTP server returned error signifying that the file exist\n",
"The source file name do not exisits\n",
"Memory allocaion failed in TFTP client\n",
"File open failed\n",
"File read error\n",
"File create error\n",
"File write error\n",
"Max time expired while waiting for file to be recived\n",
"Error when the received packet is less than 4bytes(error length) or greater than 512bytes\n",
"Returned by TFTP server for protocol user error\n",
"The destination file path length greater than 256\n",
"Returned by TFTP server for undefined transfer ID\n",
"IOCTL function failed at TFTP client while setting the socket to non-block\n",
};
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
#endif
u32_t osShellTftp(int argc, const char **argv)
{
u32_t ulRemoteAddr = IPADDR_NONE;
const u16_t usTftpServPort = 69;
u8_t ucTftpGet = 0;
s8_t *szLocalFileName = NULL;
s8_t *szRemoteFileName = NULL;
u32_t ret;
int i = 1;
if (argc < 1 || argv == NULL) {
goto usage;
}
if (!tcpip_init_finish) {
PRINTK("%s: tcpip_init have not been called\n", __FUNCTION__);
return LOS_NOK;
}
while (i < argc) {
if (strcmp(argv[i], "-p") == 0) {
ucTftpGet = 0;
i++;
continue;
}
if (strcmp(argv[i], "-g") == 0) {
ucTftpGet = 1;
i++;
continue;
}
if (strcmp(argv[i], "-l") == 0 && ((i + 1) < argc)) {
szLocalFileName = (s8_t *)argv[i + 1];
i += 2;
continue;
}
if (strcmp(argv[i], "-r") == 0 && ((i + 1) < argc)) {
szRemoteFileName = (s8_t *)argv[i + 1];
i += 2;
continue;
}
if ((i + 1) == argc) {
ulRemoteAddr = inet_addr(argv[i]);
break;
}
goto usage;
}
if (ulRemoteAddr == IPADDR_NONE || szLocalFileName == NULL || szRemoteFileName == NULL) {
goto usage;
}
if (ucTftpGet) {
ret = lwip_tftp_get_file_by_filename(ntohl(ulRemoteAddr), usTftpServPort,
TRANSFER_MODE_BINARY, szRemoteFileName, szLocalFileName);
} else {
ret = lwip_tftp_put_file_by_filename(ntohl(ulRemoteAddr), usTftpServPort,
TRANSFER_MODE_BINARY, szLocalFileName, szRemoteFileName);
}
LWIP_ASSERT("TFTP UNKNOW ERROR!", ret < ARRAY_SIZE(TftpError));
PRINTK("%s", TftpError[ret]);
if (ret) {
return LOS_NOK;
} else {
return LOS_OK;
}
usage:
PRINTK("usage:\nTransfer a file from/to tftp server\n");
PRINTK("tftp <-g/-p> -l FullPathLocalFile -r RemoteFile Host\n");
return LOS_NOK;
}
#ifdef LOSCFG_SHELL_CMD_DEBUG
SHELLCMD_ENTRY(tftp_shellcmd, CMD_TYPE_EX, "tftp", XARGS, (CmdCallBackFunc)(uintptr_t)osShellTftp);
#endif /* LOSCFG_SHELL_CMD_DEBUG */
#endif /* LOSCFG_NET_LWIP_SACK_TFTP */

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84
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/toybox/BUILD.gn
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//build/lite/config/component/lite_component.gni")
import("//kernel/liteos_a/liteos.gni")
import("//third_party/toybox/toybox.gni")
group("toybox") {
deps = [ ":build_toybox" ]
}
copy("copy_toybox_src") {
sources = TOYBOX_SRC_DIR
outputs = [ "$target_out_dir/toybox_build" ]
}
copy("copy_toybox_config") {
deps = [ ":copy_toybox_src" ]
sources = [ "liteos_a_custom.config" ]
outputs = [ "$target_out_dir/{{source_file_part}}" ]
}
build_ext_component("build_toybox") {
deps = [
":copy_toybox_config",
":copy_toybox_src",
]
deps += [ "//prebuilts/lite/sysroot" ]
exec_path = rebase_path("$target_out_dir/toybox_build")
cflags = [
"-fstack-protector-strong",
"-D_FORTIFY_SOURCE=2",
]
cflags = string_join(" ", cflags)
extra_flags = string_join(" ", target_arch_cflags)
if (ohos_build_compiler == "clang") {
extra_flags += " --target=$target_triple"
extra_flags += " --sysroot=" + rebase_path(ohos_current_sysroot)
}
command = "rm -rf .git && cp -rfp porting/liteos_a/. . && env"
command += " CC=\"$ohos_current_cc_command\""
command += " STRIP=\"$ohos_current_strip_command\""
command += " OUTNAME=toybox"
command += " CFLAGS=\"$cflags $extra_flags\""
command += " make toybox"
command += " && install -D toybox "
command += rebase_path("$root_out_dir/bin/toybox", exec_path)
command += " && install -D generated/unstripped/toybox "
command += rebase_path("$root_out_dir/unstripped/bin/toybox", exec_path)
outputs = [
"$root_out_dir/unstripped/bin/toybox",
"$root_out_dir/bin/toybox",
]
}

53
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/toybox/Makefile
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@ -1,53 +0,0 @@
# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
include $(APPSTOPDIR)/config.mk
BUILD_DIR := $(OUT)/toybox_build
BUILD_LOG := $(BUILD_DIR)/build.log
CFLAGS += -Wno-error
all:
ifneq ($(wildcard $(BUILD_DIR)),)
$(HIDE)echo "not clean, rebuilding now"
else
$(HIDE)mkdir -p $(BUILD_DIR)
$(HIDE)$(CP) $(LITEOSTHIRDPARTY)/toybox/. $(BUILD_DIR)
$(HIDE)$(CP) $(LITEOSTHIRDPARTY)/toybox/porting/liteos_a/. $(BUILD_DIR)
$(HIDE)$(CP) liteos_a_custom.config $(BUILD_DIR)/../
endif
$(HIDE)unset KCONFIG_CONFIG CROSS_COMPILE && \
env CC="$(CC)" OUTNAME="$(OUT)/bin/toybox" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" STRIP="$(STRIP)" \
make -C $(BUILD_DIR) toybox -j> $(BUILD_LOG) 2>&1
clean:
$(HIDE)$(RM) $(BUILD_DIR)
.PHONY: all clean

186
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/toybox/liteos_a_custom.config
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@ -1,186 +0,0 @@
# CONFIG_BASENAME is not set
# CONFIG_CAL is not set
# CONFIG_CAT is not set
# CONFIG_CATV is not set
# CONFIG_CKSUM is not set
# CONFIG_CRC32 is not set
# CONFIG_CMP is not set
# CONFIG_COMM is not set
# CONFIG_CP_PRESERVE is not set
# CONFIG_INSTALL is not set
# CONFIG_CPIO is not set
# CONFIG_CUT is not set
# CONFIG_DF is not set
# CONFIG_DIRNAME is not set
# CONFIG_ECHO is not set
# CONFIG_ENV is not set
# CONFIG_EXPAND is not set
# CONFIG_FALSE is not set
# CONFIG_FILE is not set
# CONFIG_FIND is not set
# CONFIG_GETCONF is not set
# CONFIG_GREP is not set
# CONFIG_EGREP is not set
# CONFIG_FGREP is not set
# CONFIG_HEAD is not set
# CONFIG_ICONV is not set
# CONFIG_ID is not set
# CONFIG_GROUPS is not set
# CONFIG_LOGNAME is not set
# CONFIG_WHOAMI is not set
# CONFIG_LINK is not set
# CONFIG_LN is not set
# CONFIG_LOGGER is not set
# CONFIG_MKFIFO is not set
# CONFIG_NICE is not set
# CONFIG_NL is not set
# CONFIG_NOHUP is not set
# CONFIG_OD is not set
# CONFIG_PASTE is not set
# CONFIG_PATCH is not set
# CONFIG_PRINTF is not set
# CONFIG_IOTOP is not set
# CONFIG_PGREP is not set
# CONFIG_PKILL is not set
# CONFIG_PWD is not set
# CONFIG_RENICE is not set
# CONFIG_SED is not set
# CONFIG_SLEEP is not set
# CONFIG_SORT is not set
# CONFIG_SORT_FLOAT is not set
# CONFIG_SPLIT is not set
# CONFIG_STRINGS is not set
# CONFIG_TAIL is not set
# CONFIG_TAR is not set
# CONFIG_TEE is not set
# CONFIG_TEST is not set
# CONFIG_TIME is not set
# CONFIG_TRUE is not set
# CONFIG_TTY is not set
# CONFIG_ULIMIT is not set
# CONFIG_ARCH is not set
# CONFIG_UNIQ is not set
# CONFIG_UNLINK is not set
# CONFIG_UUDECODE is not set
# CONFIG_UUENCODE is not set
# CONFIG_WC is not set
# CONFIG_WHO is not set
# CONFIG_XARGS is not set
# CONFIG_ACPI is not set
# CONFIG_ASCII is not set
# CONFIG_BASE64 is not set
# CONFIG_BLKID is not set
# CONFIG_FSTYPE is not set
# CONFIG_BLOCKDEV is not set
# CONFIG_BUNZIP2 is not set
# CONFIG_BZCAT is not set
# CONFIG_CHROOT is not set
# CONFIG_CHRT is not set
# CONFIG_CHVT is not set
# CONFIG_CLEAR is not set
# CONFIG_COUNT is not set
# CONFIG_DEVMEM is not set
# CONFIG_DOS2UNIX is not set
# CONFIG_UNIX2DOS is not set
# CONFIG_EJECT is not set
# CONFIG_FACTOR is not set
# CONFIG_FALLOCATE is not set
# CONFIG_FLOCK is not set
# CONFIG_FMT is not set
# CONFIG_FREERAMDISK is not set
# CONFIG_FSFREEZE is not set
# CONFIG_FSYNC is not set
# CONFIG_HELP_EXTRAS is not set
# CONFIG_HEXEDIT is not set
# CONFIG_HWCLOCK is not set
# CONFIG_I2CDETECT is not set
# CONFIG_I2CDUMP is not set
# CONFIG_I2CGET is not set
# CONFIG_I2CSET is not set
# CONFIG_INOTIFYD is not set
# CONFIG_INSMOD is not set
# CONFIG_IONICE is not set
# CONFIG_IORENICE is not set
# CONFIG_LOGIN is not set
# CONFIG_LOSETUP is not set
# CONFIG_LSATTR is not set
# CONFIG_CHATTR is not set
# CONFIG_LSMOD is not set
# CONFIG_LSPCI is not set
# CONFIG_LSPCI_TEXT is not set
# CONFIG_LSUSB is not set
# CONFIG_MAKEDEVS is not set
# CONFIG_MCOOKIE is not set
# CONFIG_MIX is not set
# CONFIG_MKPASSWD is not set
# CONFIG_MKSWAP is not set
# CONFIG_MODINFO is not set
# CONFIG_MOUNTPOINT is not set
# CONFIG_NBD_CLIENT is not set
# CONFIG_UNSHARE is not set
# CONFIG_NSENTER is not set
# CONFIG_ONEIT is not set
# CONFIG_PARTPROBE is not set
# CONFIG_PIVOT_ROOT is not set
# CONFIG_PMAP is not set
# CONFIG_PRINTENV is not set
# CONFIG_PWDX is not set
# CONFIG_READAHEAD is not set
# CONFIG_READLINK is not set
# CONFIG_REALPATH is not set
# CONFIG_RESET is not set
# CONFIG_REV is not set
# CONFIG_RMMOD is not set
# CONFIG_SETFATTR is not set
# CONFIG_SETSID is not set
# CONFIG_SHRED is not set
# CONFIG_STAT is not set
# CONFIG_SWAPOFF is not set
# CONFIG_SWAPON is not set
# CONFIG_SWITCH_ROOT is not set
# CONFIG_SYSCTL is not set
# CONFIG_TAC is not set
# CONFIG_NPROC is not set
# CONFIG_TASKSET is not set
# CONFIG_TIMEOUT is not set
# CONFIG_TRUNCATE is not set
# CONFIG_UPTIME is not set
# CONFIG_USLEEP is not set
# CONFIG_UUIDGEN is not set
# CONFIG_VCONFIG is not set
# CONFIG_VMSTAT is not set
# CONFIG_W is not set
# CONFIG_WATCH is not set
# CONFIG_WHICH is not set
# CONFIG_XXD is not set
# CONFIG_YES is not set
# CONFIG_FTPGET is not set
# CONFIG_FTPPUT is not set
# CONFIG_MICROCOM is not set
# CONFIG_NETCAT is not set
# CONFIG_NETCAT_LISTEN is not set
# CONFIG_NETSTAT is not set
# CONFIG_RFKILL is not set
# CONFIG_SNTP is not set
# CONFIG_TUNCTL is not set
# CONFIG_DMESG is not set
# CONFIG_GUNZIP is not set
# CONFIG_ZCAT is not set
# CONFIG_HOSTNAME is not set
# CONFIG_DNSDOMAINNAME is not set
# CONFIG_KILLALL is not set
# CONFIG_MD5SUM is not set
# CONFIG_SHA1SUM is not set
# CONFIG_MKNOD is not set
# CONFIG_MKTEMP is not set
# CONFIG_PASSWD is not set
# CONFIG_PIDOF is not set
# CONFIG_SEQ is not set
# CONFIG_SU is not set
# CONFIG_SYNC is not set
#
# pending (see toys/pending/README)
#
# CONFIG_GETTY is not set
# CONFIG_MDEV is not set
# CONFIG_MDEV_CONF is not set

34
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/trace/BUILD.gn
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@ -1,34 +0,0 @@
# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//kernel/liteos_a/liteos.gni")
executable("trace") {
sources = [ "src/trace.c" ]
}

36
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/trace/Makefile
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@ -1,36 +0,0 @@
# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
include $(APPSTOPDIR)/config.mk
APP_NAME := $(notdir $(shell pwd))
LOCAL_SRCS := src/trace.c
include $(APP)

141
kernel_liteos_a-OpenHarmony-v3.1.7-Release/apps/trace/src/trace.c
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@ -1,141 +0,0 @@
/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <stdint.h>
#define TRACE_IOC_MAGIC 'T'
#define TRACE_START _IO(TRACE_IOC_MAGIC, 1)
#define TRACE_STOP _IO(TRACE_IOC_MAGIC, 2)
#define TRACE_RESET _IO(TRACE_IOC_MAGIC, 3)
#define TRACE_DUMP _IO(TRACE_IOC_MAGIC, 4)
#define TRACE_SET_MASK _IO(TRACE_IOC_MAGIC, 5)
#define TRACE_USR_MAX_PARAMS 3
typedef struct {
unsigned int eventType;
uintptr_t identity;
uintptr_t params[TRACE_USR_MAX_PARAMS];
} UsrEventInfo;
static void TraceUsage(void)
{
printf("\nUsage: ./trace [start] Start to trace events.\n");
printf("\nUsage: ./trace [stop] Stop trace.\n");
printf("\nUsage: ./trace [reset] Clear the trace record buffer.\n");
printf("\nUsage: ./trace [dump 0/1] Format printf trace data,"
"0/1 stands for whether to send data to studio for analysis.\n");
printf("\nUsage: ./trace [mask num] Set trace filter event mask.\n");
printf("\nUsage: ./trace [read nBytes] Read nBytes raw data from trace buffer.\n");
printf("\nUsage: ./trace [write type id params..] Write a user event, no more than 3 parameters.\n");
}
static void TraceRead(int fd, size_t size)
{
ssize_t i;
ssize_t len;
if (size <= 0) {
return;
}
char *buffer = (char *)malloc(size);
if (buffer == NULL) {
printf("Read buffer malloc failed.\n");
return;
}
len = read(fd, buffer, size);
for (i = 0; i < len; i++) {
printf("%02x ", buffer[i] & 0xFF);
}
printf("\n");
free(buffer);
}
static void TraceWrite(int fd, int argc, char **argv)
{
int i;
UsrEventInfo info = {0};
info.eventType = strtoul(argv[2], NULL, 0); /* 2, argv number */
info.identity = strtoul(argv[3], NULL, 0); /* 3, argv number */
/* 4, argc -4 means user argv that does not contain argv[0]~argv[3] */
int paramNum = (argc - 4) > TRACE_USR_MAX_PARAMS ? TRACE_USR_MAX_PARAMS : (argc - 4);
for (i = 0; i < paramNum; i++) {
/* 4, argc -4 means user argv that does not contain argv[0]~argv[3] */
info.params[i] = strtoul(argv[4 + i], NULL, 0);
}
(void)write(fd, &info, sizeof(UsrEventInfo));
}
int main(int argc, char **argv)
{
int fd = open("/dev/trace", O_RDWR);
if (fd == -1) {
printf("Trace open failed.\n");
exit(EXIT_FAILURE);
}
if (argc == 1) {
TraceUsage();
} else if (argc == 2 && strcmp(argv[1], "start") == 0) { /* 2, argv num, no special meaning */
ioctl(fd, TRACE_START, NULL);
} else if (argc == 2 && strcmp(argv[1], "stop") == 0) { /* 2, argv num, no special meaning */
ioctl(fd, TRACE_STOP, NULL);
} else if (argc == 2 && strcmp(argv[1], "reset") == 0) { /* 2, argv num, no special meaning */
ioctl(fd, TRACE_RESET, NULL);
} else if (argc == 3 && strcmp(argv[1], "mask") == 0) { /* 3, argv num, no special meaning */
size_t mask = strtoul(argv[2], NULL, 0);
ioctl(fd, TRACE_SET_MASK, mask);
} else if (argc == 3 && strcmp(argv[1], "dump") == 0) { /* 3, argv num, no special meaning */
size_t flag = strtoul(argv[2], NULL, 0);
ioctl(fd, TRACE_DUMP, flag);
} else if (argc == 3 && strcmp(argv[1], "read") == 0) { /* 3, argv num, no special meaning */
size_t size = strtoul(argv[2], NULL, 0);
TraceRead(fd, size);
} else if (argc >= 4 && strcmp(argv[1], "write") == 0) { /* 4, argv num, no special meaning */
TraceWrite(fd, argc, argv);
} else {
printf("Unsupported trace command.\n");
TraceUsage();
}
close(fd);
return 0;
}

44
kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/BUILD.gn
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@ -1,44 +0,0 @@
# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//kernel/liteos_a/liteos.gni")
group("arch") {
deps = []
if (defined(LOSCFG_ARCH_ARM)) {
deps += [ "arm" ]
}
}
config("public") {
configs = []
if (defined(LOSCFG_ARCH_ARM)) {
configs += [ "arm:public" ]
}
}

33
kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/Kconfig
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config ARCH_ARM
bool
source "arch/arm/Kconfig"
comment "Extra Configurations"
config ARCH_FPU_DISABLE
bool "Disable Floating Pointer Unit"
default n
help
This option will bypass floating procedure in system.
config ARCH_SECURE_MONITOR_MODE
bool "Run On Secure Monitor Mode"
default n
depends on ARCH_ARM_AARCH64
help
This option will make the system run on EL3.
config ARCH_INTERRUPT_PREEMPTION
bool "Enable Interrupt Preemption"
default n
depends on ARCH_ARM_AARCH64
help
This option will support high priority interrupt preemption.
config IRQ_USE_STANDALONE_STACK
bool "Use Interrupt Stack"
default y
depends on ARCH_ARM_AARCH64 || ARCH_ARM_AARCH32
help
This option will support using standalone interrupt stack.

40
kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/BUILD.gn
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@ -1,40 +0,0 @@
# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//kernel/liteos_a/liteos.gni")
group("arm") {
deps = [ "gic" ]
deps += [ ARCH ]
}
config("public") {
include_dirs = [ "include" ]
configs = [ "$ARCH:public" ]
}

103
kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/Kconfig
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# ARM Architecture
#
# ARM has 32-bit(Aarch32) and 64-bit(Aarch64) implementations
#
config ARCH_ARM_AARCH32
bool
select ARCH_ARM
help
32-bit ARM architecture implementations, Except the M-profile.
It is not limited to ARMv7-A but also ARMv7-R, ARMv8-A 32-bit and etc.
#
# Architecture Versions
#
config ARCH_ARM_V7A
bool
config ARCH_ARM_VER
string
default "armv7-a" if ARCH_ARM_V7A
#
# VFP Hardware
#
config ARCH_FPU_VFP_V3
bool
help
An optional extension to the Arm, Thumb, and ThumbEE instruction sets in the ARMv7-A and ARMv7-R profiles.
VFPv3U is a variant of VFPv3 that supports the trapping of floating-point exceptions to support code.
config ARCH_FPU_VFP_V4
bool
help
An optional extension to the Arm, Thumb, and ThumbEE instruction sets in the ARMv7-A and ARMv7-R profiles.
VFPv4U is a variant of VFPv4 that supports the trapping of floating-point exceptions to support code.
VFPv4 and VFPv4U add both the Half-precision Extension and the fused multiply-add instructions to the features of VFPv3.
config ARCH_FPU_VFP_D16
bool
depends on ARCH_ARM_AARCH32
help
VPU implemented with 16 doubleword registers (16 x 64-bit).
config ARCH_FPU_VFP_D32
bool
depends on ARCH_ARM_AARCH32
help
VPU implemented with 32 doubleword registers (32 x 64-bit).
config ARCH_FPU_VFP_NEON
bool
help
Advanced SIMD extension (NEON) support.
config ARCH_FPU
string
default "vfpv3" if ARCH_FPU_VFP_V3 && ARCH_FPU_VFP_D32
default "vfpv3-d16" if ARCH_FPU_VFP_V3 && ARCH_FPU_VFP_D16
default "neon-vfpv4" if ARCH_FPU_VFP_V4 && ARCH_FPU_VFP_D32 && ARCH_FPU_VFP_NEON
default "vfpv4" if ARCH_FPU_VFP_V4 && ARCH_FPU_VFP_D32
default "vfpv4-d16" if ARCH_FPU_VFP_V4 && ARCH_FPU_VFP_D16
#
# Supported Processor Cores
#
config ARCH_CORTEX_A7
bool
select ARCH_ARM_V7A
select ARCH_ARM_AARCH32
select ARCH_FPU_VFP_V4
select ARCH_FPU_VFP_D32
select ARCH_FPU_VFP_NEON
config ARCH_CPU
string
default "cortex-a7" if ARCH_CORTEX_A7
#
# Supported GIC version
#
choice
prompt "GIC version"
default ARCH_GIC_V2
help
Interrupt Controller.
config ARCH_GIC_V2
bool "GIC Version 2"
help
This GIC(General Interrupt Controller) version 2 driver is compatatble with
GIC version 1 and version 2.
config ARCH_GIC_V3
bool "GIC Version 3"
depends on ARCH_ARM_V8A || ARCH_ARM_V8R
help
General Interrupt Controller version 3.
endchoice

76
kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm.mk
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# strip quotation mark in configuration
LOSCFG_ARCH_CPU_STRIP := $(subst $\",,$(LOSCFG_ARCH_CPU))
LOSCFG_ARCH_CPU = $(LOSCFG_ARCH_CPU_STRIP)
LOSCFG_ARCH_FPU_STRIP := $(subst $\",,$(LOSCFG_ARCH_FPU))
LOSCFG_ARCH_FPU = $(LOSCFG_ARCH_FPU_STRIP)
ifeq ($(LOSCFG_ARCH_ARM_AARCH32), y)
ARCH := arm
else ifeq ($(LOSCFG_ARCH_ARM_AARCH64), y)
ARCH := aarch64
endif
LITEOS_BASELIB += -l$(LOSCFG_ARCH_CPU)
LITEOS_BASELIB += -lgic
LIB_SUBDIRS += arch/arm/$(ARCH)
LIB_SUBDIRS += arch/arm/gic
# CPU compile options
ifeq ($(LOSCFG_ARCH_ARM_AARCH64), y)
ifeq ($(LOSCFG_ARCH_FPU_DISABLE), y)
EXTENSION := +nofp
endif
endif
LITEOS_CPU_OPTS := -mcpu=$(LOSCFG_ARCH_CPU)$(EXTENSION)
# FPU compile options
# -mfloat and -mfpu is ignored with AArch64 targets
ifeq ($(LOSCFG_ARCH_ARM_AARCH32), y)
LITEOS_FLOAT_OPTS := -mfloat-abi=softfp
LITEOS_FPU_OPTS := -mfpu=$(LOSCFG_ARCH_FPU)
# gcc libc folder style is combine with core and fpu
# for example, cortex-a7 with softfp abi and neon vfp4 is: a7_softfp_neon_vfp4
LITEOS_GCCLIB := $(subst cortex-,,$(LOSCFG_ARCH_CPU))_softfp_$(LOSCFG_ARCH_FPU)
endif
LITEOS_CORE_COPTS = $(or $(ARCH_CFLAGS),$(LITEOS_CPU_OPTS) $(LITEOS_FLOAT_OPTS) $(LITEOS_FPU_OPTS))
LITEOS_ASOPTS += $(LITEOS_CPU_OPTS)
LITEOS_CXXOPTS_BASE += $(LITEOS_CORE_COPTS)
ARCH_INCLUDE := -I $(LITEOSTOPDIR)/arch/arm/include \
-I $(LITEOSTOPDIR)/arch/arm/$(ARCH)/include \
-I $(LITEOSTOPDIR)/arch/arm/$(ARCH)/src/include
LITEOS_PLATFORM_INCLUDE += $(ARCH_INCLUDE)

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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("//kernel/liteos_a/liteos.gni")
module_name = LOSCFG_ARCH_CPU
kernel_module(module_name) {
sources = [
"src/arm_generic_timer.c",
"src/clear_user.S",
"src/hw_user_get.S",
"src/hw_user_put.S",
"src/jmp.S",
"src/los_arch_mmu.c",
"src/los_asid.c",
"src/los_dispatch.S",
"src/los_exc.c",
"src/los_hw.c",
"src/los_hw_exc.S",
"src/los_hw_runstop.S",
"src/los_hw_tick.c",
"src/los_hwi.c",
"src/smp.c",
"src/strncpy_from_user.c",
"src/strnlen_user.c",
"src/user_copy.c",
]
if (LOSCFG_ARCH_ARM_VER == "armv7-a") {
sources += [ "src/armv7a/cache.S" ]
}
if (defined(LOSCFG_KERNEL_SMP)) {
sources += [ "src/startup/reset_vector_mp.S" ]
} else {
sources += [ "src/startup/reset_vector_up.S" ]
}
include_dirs = [ "src/include" ]
if (defined(LOSCFG_PERF_HW_PMU)) {
sources += [ "src/pmu/armv7_pmu.c" ]
}
if (defined(LOSCFG_GDB)) {
configs += [ ":as_objs_libc_flags" ]
}
public_configs = [ ":public" ]
}
config("public") {
include_dirs = [
"include",
"src/include",
]
}
config("as_objs_libc_flags") {
defines = [ "__ASSEMBLY__" ]
# linux style macros
if (defined(LOSCFG_ARCH_ARM_V7A) || defined(LOSCFG_ARCH_ARM_V7R) ||
defined(LOSCFG_ARCH_ARM_V7M)) {
defines += [ "__LINUX_ARM_ARCH__=7" ]
} else if (defined(LOSCFG_ARCH_ARM_V8A) || defined(LOSCFG_ARCH_ARM_V8R) ||
defined(LOSCFG_ARCH_ARM_V8M)) {
defines += [ "__LINUX_ARM_ARCH__=8" ]
}
}

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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
include $(LITEOSTOPDIR)/config.mk
MODULE_NAME := $(LOSCFG_ARCH_CPU)
LOCAL_SRCS := $(wildcard src/*.c) $(wildcard src/*.S)
ifeq ($(LOSCFG_ARCH_ARM_VER), "armv7-a")
LOCAL_SRCS += $(wildcard src/armv7a/*.S)
endif
ifeq ($(LOSCFG_KERNEL_SMP), y)
LOCAL_SRCS += src/startup/reset_vector_mp.S
else
LOCAL_SRCS += src/startup/reset_vector_up.S
endif
ifeq ($(LOSCFG_PERF_HW_PMU), y)
LOCAL_SRCS += src/pmu/armv7_pmu.c
endif
LOCAL_FLAGS := $(LOCAL_INCLUDE)
AS_OBJS_LIBC_FLAGS = -D__ASSEMBLY__
# linux style macros
LINUX_ARCH_$(LOSCFG_ARCH_ARM_V7A) = -D__LINUX_ARM_ARCH__=7
LINUX_ARCH_$(LOSCFG_ARCH_ARM_V7R) = -D__LINUX_ARM_ARCH__=7
LINUX_ARCH_$(LOSCFG_ARCH_ARM_V7M) = -D__LINUX_ARM_ARCH__=7
LINUX_ARCH_$(LOSCFG_ARCH_ARM_V8A) = -D__LINUX_ARM_ARCH__=8
LINUX_ARCH_$(LOSCFG_ARCH_ARM_V8R) = -D__LINUX_ARM_ARCH__=8
LINUX_ARCH_$(LOSCFG_ARCH_ARM_V8M) = -D__LINUX_ARM_ARCH__=8
AS_OBJS_LIBC_FLAGS += $(LINUX_ARCH_y)
ifeq ($(LOSCFG_GDB), y)
LOCAL_FLAGS += $(AS_OBJS_LIBC_FLAGS)
endif
include $(MODULE)

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ARCH_CONFIG_H
#define _ARCH_CONFIG_H
#define CPSR_INT_DISABLE 0xC0 /* Disable both FIQ and IRQ */
#define CPSR_IRQ_DISABLE 0x80 /* IRQ disabled when =1 */
#define CPSR_FIQ_DISABLE 0x40 /* FIQ disabled when =1 */
#define CPSR_THUMB_ENABLE 0x20 /* Thumb mode when =1 */
#define CPSR_USER_MODE 0x10
#define CPSR_FIQ_MODE 0x11
#define CPSR_IRQ_MODE 0x12
#define CPSR_SVC_MODE 0x13
#define CPSR_ABT_MODE 0x17
#define CPSR_UNDEF_MODE 0x1B
#define CPSR_MASK_MODE 0x1F
/* Define exception type ID */
#define OS_EXCEPT_RESET 0x00
#define OS_EXCEPT_UNDEF_INSTR 0x01
#define OS_EXCEPT_SWI 0x02
#define OS_EXCEPT_PREFETCH_ABORT 0x03
#define OS_EXCEPT_DATA_ABORT 0x04
#define OS_EXCEPT_FIQ 0x05
#define OS_EXCEPT_ADDR_ABORT 0x06
#define OS_EXCEPT_IRQ 0x07
/* Define core num */
#ifdef LOSCFG_KERNEL_SMP
#define CORE_NUM LOSCFG_KERNEL_SMP_CORE_NUM
#else
#define CORE_NUM 1
#endif
/* Initial bit32 stack value. */
#define OS_STACK_INIT 0xCACACACA
/* Bit32 stack top magic number. */
#define OS_STACK_MAGIC_WORD 0xCCCCCCCC
#ifdef LOSCFG_GDB
#define OS_EXC_UNDEF_STACK_SIZE 512
#define OS_EXC_ABT_STACK_SIZE 512
#else
#define OS_EXC_UNDEF_STACK_SIZE 40
#define OS_EXC_ABT_STACK_SIZE 40
#endif
#define OS_EXC_FIQ_STACK_SIZE 64
#define OS_EXC_IRQ_STACK_SIZE 64
#define OS_EXC_SVC_STACK_SIZE 0x2000
#define OS_EXC_STACK_SIZE 0x1000
#define REG_R0 0
#define REG_R1 1
#define REG_R2 2
#define REG_R3 3
#define REG_R4 4
#define REG_R5 5
#define REG_R6 6
#define REG_R7 7
#define REG_R8 8
#define REG_R9 9
#define REG_R10 10
#define REG_R11 11
#define REG_R12 12
#define REG_R13 13
#define REG_R14 14
#define REG_R15 15
#define REG_CPSR 16
#define REG_SP REG_R13
#define REG_LR REG_R14
#define REG_PC REG_R15
#endif

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/*
* Copyright (c) 2021-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ARM_USER_CLEAR_H
#define _ARM_USER_CLEAR_H
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
size_t _arm_clear_user(void *addr, size_t bytes);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _ARM_USER_CLEAR_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/arm_user_copy.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_typedef.h"
#pragma once
size_t _arm_user_copy(void *dst, const void *src, size_t len);

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/arm_user_get.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ARM_USER_GET_H
#define _ARM_USER_GET_H
#include "los_typedef.h"
#include "securec.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
errno_t _arm_get_user(void *dst, const void *src, size_t dstTypeLen, size_t srcTypeLen);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _ARM_USER_GET_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/arm_user_put.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ARM_USER_PUT_H
#define _ARM_USER_PUT_H
#include "los_typedef.h"
#include "securec.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
errno_t _arm_put_user(void *dst, const void *src, size_t dstTypeLen, size_t srcTypeLen);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _ARM_USER_PUT_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/hal_timer.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_TIMER_H
#define _LOS_TIMER_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
extern UINT32 HalClockFreqRead(VOID);
extern VOID HalClockFreqWrite(UINT32 freq);
extern VOID HalClockStart(VOID);
extern VOID HalClockIrqClear(VOID);
extern VOID HalClockInit(VOID);
extern UINT64 HalClockGetCycles(VOID);
extern VOID HalDelayUs(UINT32 usecs);
extern UINT32 HalClockGetTickTimerCycles(VOID);
extern UINT64 HalClockTickTimerReload(UINT64 cycles);
extern UINT32 HrtimersInit(VOID);
extern VOID HrtimerClockIrqClear(VOID);
extern VOID HrtimerClockStart(UINT32 period);
extern VOID HrtimerClockStop(VOID);
extern UINT32 HrtimerClockValueGet(VOID);
extern VOID HrtimerClockInit(VOID);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_TIMER_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/los_arch_mmu.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @defgroup los_arch_mmu architecture mmu
* @ingroup kernel
*/
#ifndef __LOS_ARCH_MMU_H__
#define __LOS_ARCH_MMU_H__
#include "los_typedef.h"
#include "los_vm_phys.h"
#ifndef LOSCFG_PAGE_TABLE_FINE_LOCK
#include "los_spinlock.h"
#endif
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
typedef struct ArchMmu {
#ifndef LOSCFG_PAGE_TABLE_FINE_LOCK
SPIN_LOCK_S lock; /**< arch mmu page table entry modification spin lock */
#endif
VADDR_T *virtTtb; /**< translation table base virtual addr */
PADDR_T physTtb; /**< translation table base phys addr */
UINT32 asid; /**< TLB asid */
LOS_DL_LIST ptList; /**< page table vm page list */
} LosArchMmu;
BOOL OsArchMmuInit(LosArchMmu *archMmu, VADDR_T *virtTtb);
STATUS_T LOS_ArchMmuQuery(const LosArchMmu *archMmu, VADDR_T vaddr, PADDR_T *paddr, UINT32 *flags);
STATUS_T LOS_ArchMmuUnmap(LosArchMmu *archMmu, VADDR_T vaddr, size_t count);
STATUS_T LOS_ArchMmuMap(LosArchMmu *archMmu, VADDR_T vaddr, PADDR_T paddr, size_t count, UINT32 flags);
STATUS_T LOS_ArchMmuChangeProt(LosArchMmu *archMmu, VADDR_T vaddr, size_t count, UINT32 flags);
STATUS_T LOS_ArchMmuMove(LosArchMmu *archMmu, VADDR_T oldVaddr, VADDR_T newVaddr, size_t count, UINT32 flags);
VOID LOS_ArchMmuContextSwitch(LosArchMmu *archMmu);
STATUS_T LOS_ArchMmuDestroy(LosArchMmu *archMmu);
VOID OsArchMmuInitPerCPU(VOID);
VADDR_T *OsGFirstTableGet(VOID);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* __LOS_ARCH_MMU_H__ */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/los_asid.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @defgroup los_asid mmu address space id
* @ingroup kernel
*/
#ifndef __LOS_ASID_H__
#define __LOS_ASID_H__
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define MMU_ARM_ASID_BITS 8
/* allocate and free asid */
STATUS_T OsAllocAsid(UINT32 *asid);
VOID OsFreeAsid(UINT32 asid);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* __LOS_VM_PAGE_H__ */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/los_atomic.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @defgroup los_atomic Atomic
* @ingroup kernel
*/
#ifndef __LOS_ATOMIC_H__
#define __LOS_ATOMIC_H__
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
typedef volatile INT32 Atomic;
typedef volatile INT64 Atomic64;
/**
* @ingroup los_atomic
* @brief Atomic read.
*
* @par Description:
* This API is used to implement the atomic read and return the result value of the read.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* </ul>
*
* @param v [IN] The reading pointer.
*
* @retval #INT32 The result value of the read.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 LOS_AtomicRead(const Atomic *v)
{
return *(volatile INT32 *)v;
}
/**
* @ingroup los_atomic
* @brief Atomic setting.
*
* @par Description:
* This API is used to implement the atomic setting operation.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* </ul>
*
* @param v [IN] The variable pointer to be setting.
* @param setVal [IN] The value to be setting.
*
* @retval none.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE VOID LOS_AtomicSet(Atomic *v, INT32 setVal)
{
*(volatile INT32 *)v = setVal;
}
/**
* @ingroup los_atomic
* @brief Atomic addition.
*
* @par Description:
* This API is used to implement the atomic addition and return the result value of the augend.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>If the addtion result is not in the range of representable values for 32-bit signed integer,
* an int integer overflow may occur to the return value</li>
* </ul>
*
* @param v [IN] The augend pointer.
* @param addVal [IN] The addend.
*
* @retval #INT32 The result value of the augend.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 LOS_AtomicAdd(Atomic *v, INT32 addVal)
{
INT32 val;
UINT32 status;
do {
__asm__ __volatile__("ldrex %1, [%2]\n"
"add %1, %1, %3\n"
"strex %0, %1, [%2]"
: "=&r"(status), "=&r"(val)
: "r"(v), "r"(addVal)
: "cc");
} while (__builtin_expect(status != 0, 0));
return val;
}
/**
* @ingroup los_atomic
* @brief Atomic subtraction.
*
* @par Description:
* This API is used to implement the atomic subtraction and return the result value of the minuend.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>If the subtraction result is not in the range of representable values for 32-bit signed integer,
* an int integer overflow may occur to the return value</li>
* </ul>
*
* @param v [IN] The minuend pointer.
* @param subVal [IN] The subtrahend.
*
* @retval #INT32 The result value of the minuend.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 LOS_AtomicSub(Atomic *v, INT32 subVal)
{
INT32 val;
UINT32 status;
do {
__asm__ __volatile__("ldrex %1, [%2]\n"
"sub %1, %1, %3\n"
"strex %0, %1, [%2]"
: "=&r"(status), "=&r"(val)
: "r"(v), "r"(subVal)
: "cc");
} while (__builtin_expect(status != 0, 0));
return val;
}
/**
* @ingroup los_atomic
* @brief Atomic addSelf.
*
* @par Description:
* This API is used to implement the atomic addSelf.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>The value which v point to must not be INT_MAX to avoid integer overflow after adding 1.</li>
* </ul>
*
* @param v [IN] The addSelf variable pointer.
*
* @retval none.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE VOID LOS_AtomicInc(Atomic *v)
{
INT32 val;
UINT32 status;
do {
__asm__ __volatile__("ldrex %0, [%3]\n"
"add %0, %0, #1\n"
"strex %1, %0, [%3]"
: "=&r"(val), "=&r"(status), "+m"(*v)
: "r"(v)
: "cc");
} while (__builtin_expect(status != 0, 0));
}
/**
* @ingroup los_atomic
* @brief Atomic addSelf.
*
* @par Description:
* This API is used to implement the atomic addSelf and return the result of addSelf.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>The value which v point to must not be INT_MAX to avoid integer overflow after adding 1.</li>
* </ul>
*
* @param v [IN] The addSelf variable pointer.
*
* @retval #INT32 The return value of variable addSelf.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 LOS_AtomicIncRet(Atomic *v)
{
INT32 val;
UINT32 status;
do {
__asm__ __volatile__("ldrex %0, [%3]\n"
"add %0, %0, #1\n"
"strex %1, %0, [%3]"
: "=&r"(val), "=&r"(status), "+m"(*v)
: "r"(v)
: "cc");
} while (__builtin_expect(status != 0, 0));
return val;
}
/**
* @ingroup los_atomic
* @brief Atomic auto-decrement.
*
* @par Description:
* This API is used to implement the atomic auto-decrement.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>The value which v point to must not be INT_MIN to avoid overflow after reducing 1.</li>
* </ul>
*
* @param v [IN] The auto-decrement variable pointer.
*
* @retval none.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE VOID LOS_AtomicDec(Atomic *v)
{
INT32 val;
UINT32 status;
do {
__asm__ __volatile__("ldrex %0, [%3]\n"
"sub %0, %0, #1\n"
"strex %1, %0, [%3]"
: "=&r"(val), "=&r"(status), "+m"(*v)
: "r"(v)
: "cc");
} while (__builtin_expect(status != 0, 0));
}
/**
* @ingroup los_atomic
* @brief Atomic auto-decrement.
*
* @par Description:
* This API is used to implement the atomic auto-decrement and return the result of auto-decrement.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>The value which v point to must not be INT_MIN to avoid overflow after reducing 1.</li>
* </ul>
*
* @param v [IN] The auto-decrement variable pointer.
*
* @retval #INT32 The return value of variable auto-decrement.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 LOS_AtomicDecRet(Atomic *v)
{
INT32 val;
UINT32 status;
do {
__asm__ __volatile__("ldrex %0, [%3]\n"
"sub %0, %0, #1\n"
"strex %1, %0, [%3]"
: "=&r"(val), "=&r"(status), "+m"(*v)
: "r"(v)
: "cc");
} while (__builtin_expect(status != 0, 0));
return val;
}
/**
* @ingroup los_atomic
* @brief Atomic64 read.
*
* @par Description:
* This API is used to implement the atomic64 read and return the result value of the read.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* </ul>
*
* @param v [IN] The reading pointer.
*
* @retval #INT64 The result value of the read.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT64 LOS_Atomic64Read(const Atomic64 *v)
{
INT64 val;
do {
__asm__ __volatile__("ldrexd %0, %H0, [%1]"
: "=&r"(val)
: "r"(v)
: "cc");
} while (0);
return val;
}
/**
* @ingroup los_atomic
* @brief Atomic64 setting.
*
* @par Description:
* This API is used to implement the atomic64 setting operation.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* </ul>
*
* @param v [IN] The variable pointer to be setting.
* @param setVal [IN] The value to be setting.
*
* @retval none.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE VOID LOS_Atomic64Set(Atomic64 *v, INT64 setVal)
{
INT64 tmp;
UINT32 status;
do {
__asm__ __volatile__("ldrexd %1, %H1, [%2]\n"
"strexd %0, %3, %H3, [%2]"
: "=&r"(status), "=&r"(tmp)
: "r"(v), "r"(setVal)
: "cc");
} while (__builtin_expect(status != 0, 0));
}
/**
* @ingroup los_atomic
* @brief Atomic64 addition.
*
* @par Description:
* This API is used to implement the atomic64 addition and return the result value of the augend.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>If the addtion result is not in the range of representable values for 64-bit signed integer,
* an int integer overflow may occur to the return value</li>
* </ul>
*
* @param v [IN] The augend pointer.
* @param addVal [IN] The addend.
*
* @retval #INT64 The result value of the augend.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT64 LOS_Atomic64Add(Atomic64 *v, INT64 addVal)
{
INT64 val;
UINT32 status;
do {
__asm__ __volatile__("ldrexd %1, %H1, [%2]\n"
"adds %Q1, %Q1, %Q3\n"
"adc %R1, %R1, %R3\n"
"strexd %0, %1, %H1, [%2]"
: "=&r"(status), "=&r"(val)
: "r"(v), "r"(addVal)
: "cc");
} while (__builtin_expect(status != 0, 0));
return val;
}
/**
* @ingroup los_atomic
* @brief Atomic64 subtraction.
*
* @par Description:
* This API is used to implement the atomic64 subtraction and return the result value of the minuend.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>If the subtraction result is not in the range of representable values for 64-bit signed integer,
* an int integer overflow may occur to the return value</li>
* </ul>
*
* @param v [IN] The minuend pointer.
* @param subVal [IN] The subtrahend.
*
* @retval #INT64 The result value of the minuend.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT64 LOS_Atomic64Sub(Atomic64 *v, INT64 subVal)
{
INT64 val;
UINT32 status;
do {
__asm__ __volatile__("ldrexd %1, %H1, [%2]\n"
"subs %Q1, %Q1, %Q3\n"
"sbc %R1, %R1, %R3\n"
"strexd %0, %1, %H1, [%2]"
: "=&r"(status), "=&r"(val)
: "r"(v), "r"(subVal)
: "cc");
} while (__builtin_expect(status != 0, 0));
return val;
}
/**
* @ingroup los_atomic
* @brief Atomic64 addSelf.
*
* @par Description:
* This API is used to implement the atomic64 addSelf .
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>The value which v point to must not be INT64_MAX to avoid integer overflow after adding 1.</li>
* </ul>
*
* @param v [IN] The addSelf variable pointer.
*
* @retval none.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE VOID LOS_Atomic64Inc(Atomic64 *v)
{
INT64 val;
UINT32 status;
do {
__asm__ __volatile__("ldrexd %0, %H0, [%3]\n"
"adds %Q0, %Q0, #1\n"
"adc %R0, %R0, #0\n"
"strexd %1, %0, %H0, [%3]"
: "=&r"(val), "=&r"(status), "+m"(*v)
: "r"(v)
: "cc");
} while (__builtin_expect(status != 0, 0));
}
/**
* @ingroup los_atomic
* @brief Atomic64 addSelf.
*
* @par Description:
* This API is used to implement the atomic64 addSelf and return the result of addSelf.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>The value which v point to must not be INT64_MAX to avoid integer overflow after adding 1.</li>
* </ul>
*
* @param v [IN] The addSelf variable pointer.
*
* @retval #INT64 The return value of variable addSelf.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT64 LOS_Atomic64IncRet(Atomic64 *v)
{
INT64 val;
UINT32 status;
do {
__asm__ __volatile__("ldrexd %0, %H0, [%3]\n"
"adds %Q0, %Q0, #1\n"
"adc %R0, %R0, #0\n"
"strexd %1, %0, %H0, [%3]"
: "=&r"(val), "=&r"(status), "+m"(*v)
: "r"(v)
: "cc");
} while (__builtin_expect(status != 0, 0));
return val;
}
/**
* @ingroup los_atomic
* @brief Atomic64 auto-decrement.
*
* @par Description:
* This API is used to implement the atomic64 auto-decrement.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>The value which v point to must not be INT64_MIN to avoid overflow after reducing 1.</li>
* </ul>
*
* @param v [IN] The auto-decrement variable pointer.
*
* @retval none.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE VOID LOS_Atomic64Dec(Atomic64 *v)
{
INT64 val;
UINT32 status;
do {
__asm__ __volatile__("ldrexd %0, %H0, [%3]\n"
"subs %Q0, %Q0, #1\n"
"sbc %R0, %R0, #0\n"
"strexd %1, %0, %H0, [%3]"
: "=&r"(val), "=&r"(status), "+m"(*v)
: "r"(v)
: "cc");
} while (__builtin_expect(status != 0, 0));
}
/**
* @ingroup los_atomic
* @brief Atomic64 auto-decrement.
*
* @par Description:
* This API is used to implement the atomic64 auto-decrement and return the result of auto-decrement.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>The value which v point to must not be INT64_MIN to avoid overflow after reducing 1.</li>
* </ul>
*
* @param v [IN] The auto-decrement variable pointer.
*
* @retval #INT64 The return value of variable auto-decrement.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT64 LOS_Atomic64DecRet(Atomic64 *v)
{
INT64 val;
UINT32 status;
do {
__asm__ __volatile__("ldrexd %0, %H0, [%3]\n"
"subs %Q0, %Q0, #1\n"
"sbc %R0, %R0, #0\n"
"strexd %1, %0, %H0, [%3]"
: "=&r"(val), "=&r"(status), "+m"(*v)
: "r"(v)
: "cc");
} while (__builtin_expect(status != 0, 0));
return val;
}
/**
* @ingroup los_atomic
* @brief Atomic exchange for 8-bit variable.
*
* @par Description:
* This API is used to implement the atomic exchange for 8-bit variable and
* return the previous value of the atomic variable.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The exchange value.
*
* @retval #INT32 The previous value of the atomic variable
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 LOS_AtomicXchgByte(volatile INT8 *v, INT32 val)
{
INT32 prevVal;
UINT32 status;
do {
__asm__ __volatile__("ldrexb %0, [%3]\n"
"strexb %1, %4, [%3]"
: "=&r"(prevVal), "=&r"(status), "+m"(*v)
: "r"(v), "r"(val)
: "cc");
} while (__builtin_expect(status != 0, 0));
return prevVal;
}
/**
* @ingroup los_atomic
* @brief Atomic exchange for 16-bit variable.
*
* @par Description:
* This API is used to implement the atomic exchange for 16-bit variable and
* return the previous value of the atomic variable.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The exchange value.
*
* @retval #INT32 The previous value of the atomic variable
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 LOS_AtomicXchg16bits(volatile INT16 *v, INT32 val)
{
INT32 prevVal;
UINT32 status;
do {
__asm__ __volatile__("ldrexh %0, [%3]\n"
"strexh %1, %4, [%3]"
: "=&r"(prevVal), "=&r"(status), "+m"(*v)
: "r"(v), "r"(val)
: "cc");
} while (__builtin_expect(status != 0, 0));
return prevVal;
}
/**
* @ingroup los_atomic
* @brief Atomic exchange for 32-bit variable.
*
* @par Description:
* This API is used to implement the atomic exchange for 32-bit variable
* and return the previous value of the atomic variable.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The exchange value.
*
* @retval #INT32 The previous value of the atomic variable
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 LOS_AtomicXchg32bits(Atomic *v, INT32 val)
{
INT32 prevVal;
UINT32 status;
do {
__asm__ __volatile__("ldrex %0, [%3]\n"
"strex %1, %4, [%3]"
: "=&r"(prevVal), "=&r"(status), "+m"(*v)
: "r"(v), "r"(val)
: "cc");
} while (__builtin_expect(status != 0, 0));
return prevVal;
}
/**
* @ingroup los_atomic
* @brief Atomic exchange for 64-bit variable.
*
* @par Description:
* This API is used to implement the atomic exchange for 64-bit variable
* and return the previous value of the atomic variable.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The exchange value.
*
* @retval #INT64 The previous value of the atomic variable
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT64 LOS_AtomicXchg64bits(Atomic64 *v, INT64 val)
{
INT64 prevVal;
UINT32 status;
do {
__asm__ __volatile__("ldrexd %0, %H0, [%3]\n"
"strexd %1, %4, %H4, [%3]"
: "=&r"(prevVal), "=&r"(status), "+m"(*v)
: "r"(v), "r"(val)
: "cc");
} while (__builtin_expect(status != 0, 0));
return prevVal;
}
/**
* @ingroup los_atomic
* @brief Atomic exchange for 8-bit variable with compare.
*
* @par Description:
* This API is used to implement the atomic exchange for 8-bit variable, if the value of variable is equal to oldVal.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The new value.
* @param oldVal [IN] The old value.
*
* @retval TRUE The previous value of the atomic variable is not equal to oldVal.
* @retval FALSE The previous value of the atomic variable is equal to oldVal.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE BOOL LOS_AtomicCmpXchgByte(volatile INT8 *v, INT32 val, INT32 oldVal)
{
INT32 prevVal;
UINT32 status;
do {
__asm__ __volatile__("ldrexb %0, [%3]\n"
"mov %1, #0\n"
"teq %0, %4\n"
"strexbeq %1, %5, [%3]"
: "=&r"(prevVal), "=&r"(status), "+m"(*v)
: "r"(v), "r"(oldVal), "r"(val)
: "cc");
} while (__builtin_expect(status != 0, 0));
return prevVal != oldVal;
}
/**
* @ingroup los_atomic
* @brief Atomic exchange for 16-bit variable with compare.
*
* @par Description:
* This API is used to implement the atomic exchange for 16-bit variable, if the value of variable is equal to oldVal.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The new value.
* @param oldVal [IN] The old value.
*
* @retval TRUE The previous value of the atomic variable is not equal to oldVal.
* @retval FALSE The previous value of the atomic variable is equal to oldVal.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE BOOL LOS_AtomicCmpXchg16bits(volatile INT16 *v, INT32 val, INT32 oldVal)
{
INT32 prevVal;
UINT32 status;
do {
__asm__ __volatile__("ldrexh %0, [%3]\n"
"mov %1, #0\n"
"teq %0, %4\n"
"strexheq %1, %5, [%3]"
: "=&r"(prevVal), "=&r"(status), "+m"(*v)
: "r"(v), "r"(oldVal), "r"(val)
: "cc");
} while (__builtin_expect(status != 0, 0));
return prevVal != oldVal;
}
/**
* @ingroup los_atomic
* @brief Atomic exchange for 32-bit variable with compare.
*
* @par Description:
* This API is used to implement the atomic exchange for 32-bit variable, if the value of variable is equal to oldVal.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The new value.
* @param oldVal [IN] The old value.
*
* @retval TRUE The previous value of the atomic variable is not equal to oldVal.
* @retval FALSE The previous value of the atomic variable is equal to oldVal.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE BOOL LOS_AtomicCmpXchg32bits(Atomic *v, INT32 val, INT32 oldVal)
{
INT32 prevVal;
UINT32 status;
do {
__asm__ __volatile__("ldrex %0, [%3]\n"
"mov %1, #0\n"
"teq %0, %4\n"
"strexeq %1, %5, [%3]"
: "=&r"(prevVal), "=&r"(status), "+m"(*v)
: "r"(v), "r"(oldVal), "r"(val)
: "cc");
} while (__builtin_expect(status != 0, 0));
return prevVal != oldVal;
}
/**
* @ingroup los_atomic
* @brief Atomic exchange for 64-bit variable with compare.
*
* @par Description:
* This API is used to implement the atomic exchange for 64-bit variable, if the value of variable is equal to oldVal.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The new value.
* @param oldVal [IN] The old value.
*
* @retval TRUE The previous value of the atomic variable is not equal to oldVal.
* @retval FALSE The previous value of the atomic variable is equal to oldVal.
* @par Dependency:
* <ul><li>los_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE BOOL LOS_AtomicCmpXchg64bits(Atomic64 *v, INT64 val, INT64 oldVal)
{
INT64 prevVal;
UINT32 status;
do {
__asm__ __volatile__("ldrexd %0, %H0, [%3]\n"
"mov %1, #0\n"
"teq %0, %4\n"
"teqeq %H0, %H4\n"
"strexdeq %1, %5, %H5, [%3]"
: "=&r"(prevVal), "=&r"(status), "+m"(*v)
: "r"(v), "r"(oldVal), "r"(val)
: "cc");
} while (__builtin_expect(status != 0, 0));
return prevVal != oldVal;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* __LOS_ATOMIC_H__ */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/los_hw_cpu.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @defgroup los_hw Hardware
* @ingroup kernel
*/
#ifndef _LOS_HW_CPU_H
#define _LOS_HW_CPU_H
#include "los_typedef.h"
#include "los_toolchain.h"
#include "los_hw_arch.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/* ARM System Registers */
#define DSB __asm__ volatile("dsb" ::: "memory")
#define DMB __asm__ volatile("dmb" ::: "memory")
#define ISB __asm__ volatile("isb" ::: "memory")
#define WFI __asm__ volatile("wfi" ::: "memory")
#define BARRIER __asm__ volatile("":::"memory")
#define WFE __asm__ volatile("wfe" ::: "memory")
#define SEV __asm__ volatile("sev" ::: "memory")
#define ARM_SYSREG_READ(REG) \
({ \
UINT32 _val; \
__asm__ volatile("mrc " REG : "=r" (_val)); \
_val; \
})
#define ARM_SYSREG_WRITE(REG, val) \
({ \
__asm__ volatile("mcr " REG :: "r" (val)); \
ISB; \
})
#define ARM_SYSREG64_READ(REG) \
({ \
UINT64 _val; \
__asm__ volatile("mrrc " REG : "=r" (_val)); \
_val; \
})
#define ARM_SYSREG64_WRITE(REG, val) \
({ \
__asm__ volatile("mcrr " REG :: "r" (val)); \
ISB; \
})
#define CP14_REG(CRn, Op1, CRm, Op2) "p14, "#Op1", %0, "#CRn","#CRm","#Op2
#define CP15_REG(CRn, Op1, CRm, Op2) "p15, "#Op1", %0, "#CRn","#CRm","#Op2
#define CP15_REG64(CRn, Op1) "p15, "#Op1", %0, %H0,"#CRn
/*
* Identification registers (c0)
*/
#define MIDR CP15_REG(c0, 0, c0, 0) /* Main ID Register */
#define MPIDR CP15_REG(c0, 0, c0, 5) /* Multiprocessor Affinity Register */
#define CCSIDR CP15_REG(c0, 1, c0, 0) /* Cache Size ID Registers */
#define CLIDR CP15_REG(c0, 1, c0, 1) /* Cache Level ID Register */
#define VPIDR CP15_REG(c0, 4, c0, 0) /* Virtualization Processor ID Register */
#define VMPIDR CP15_REG(c0, 4, c0, 5) /* Virtualization Multiprocessor ID Register */
/*
* System control registers (c1)
*/
#define SCTLR CP15_REG(c1, 0, c0, 0) /* System Control Register */
#define ACTLR CP15_REG(c1, 0, c0, 1) /* Auxiliary Control Register */
#define CPACR CP15_REG(c1, 0, c0, 2) /* Coprocessor Access Control Register */
/*
* Memory protection and control registers (c2 & c3)
*/
#define TTBR0 CP15_REG(c2, 0, c0, 0) /* Translation Table Base Register 0 */
#define TTBR1 CP15_REG(c2, 0, c0, 1) /* Translation Table Base Register 1 */
#define TTBCR CP15_REG(c2, 0, c0, 2) /* Translation Table Base Control Register */
#define DACR CP15_REG(c3, 0, c0, 0) /* Domain Access Control Register */
/*
* Memory system fault registers (c5 & c6)
*/
#define DFSR CP15_REG(c5, 0, c0, 0) /* Data Fault Status Register */
#define IFSR CP15_REG(c5, 0, c0, 1) /* Instruction Fault Status Register */
#define DFAR CP15_REG(c6, 0, c0, 0) /* Data Fault Address Register */
#define IFAR CP15_REG(c6, 0, c0, 2) /* Instruction Fault Address Register */
/*
* Process, context and thread ID registers (c13)
*/
#define FCSEIDR CP15_REG(c13, 0, c0, 0) /* FCSE Process ID Register */
#define CONTEXTIDR CP15_REG(c13, 0, c0, 1) /* Context ID Register */
#define TPIDRURW CP15_REG(c13, 0, c0, 2) /* User Read/Write Thread ID Register */
#define TPIDRURO CP15_REG(c13, 0, c0, 3) /* User Read-Only Thread ID Register */
#define TPIDRPRW CP15_REG(c13, 0, c0, 4) /* PL1 only Thread ID Register */
#define MPIDR_CPUID_MASK (0xffU)
STATIC INLINE VOID *ArchCurrTaskGet(VOID)
{
return (VOID *)(UINTPTR)ARM_SYSREG_READ(TPIDRPRW);
}
STATIC INLINE VOID ArchCurrTaskSet(VOID *val)
{
ARM_SYSREG_WRITE(TPIDRPRW, (UINT32)(UINTPTR)val);
}
STATIC INLINE VOID ArchCurrUserTaskSet(UINTPTR val)
{
ARM_SYSREG_WRITE(TPIDRURO, (UINT32)val);
}
STATIC INLINE UINT32 ArchCurrCpuid(VOID)
{
#ifdef LOSCFG_KERNEL_SMP
return ARM_SYSREG_READ(MPIDR) & MPIDR_CPUID_MASK;
#else
return 0;
#endif
}
STATIC INLINE UINT64 OsHwIDGet(VOID)
{
return ARM_SYSREG_READ(MPIDR);
}
STATIC INLINE UINT32 OsMainIDGet(VOID)
{
return ARM_SYSREG_READ(MIDR);
}
/* CPU interrupt mask handle implementation */
#if LOSCFG_ARM_ARCH >= 6
STATIC INLINE UINT32 ArchIntLock(VOID)
{
UINT32 intSave;
__asm__ __volatile__(
"mrs %0, cpsr \n"
"cpsid if "
: "=r"(intSave)
:
: "memory");
return intSave;
}
STATIC INLINE UINT32 ArchIntUnlock(VOID)
{
UINT32 intSave;
__asm__ __volatile__(
"mrs %0, cpsr \n"
"cpsie if "
: "=r"(intSave)
:
: "memory");
return intSave;
}
STATIC INLINE VOID ArchIrqDisable(VOID)
{
__asm__ __volatile__(
"cpsid i "
:
:
: "memory", "cc");
}
STATIC INLINE VOID ArchIrqEnable(VOID)
{
__asm__ __volatile__(
"cpsie i "
:
:
: "memory", "cc");
}
#else
STATIC INLINE UINT32 ArchIntLock(VOID)
{
UINT32 intSave, temp;
__asm__ __volatile__(
"mrs %0, cpsr \n"
"orr %1, %0, #0xc0 \n"
"msr cpsr_c, %1 "
:"=r"(intSave), "=r"(temp)
: :"memory");
return intSave;
}
STATIC INLINE UINT32 ArchIntUnlock(VOID)
{
UINT32 intSave;
__asm__ __volatile__(
"mrs %0, cpsr \n"
"bic %0, %0, #0xc0 \n"
"msr cpsr_c, %0 "
: "=r"(intSave)
: : "memory");
return intSave;
}
#endif
STATIC INLINE VOID ArchIntRestore(UINT32 intSave)
{
__asm__ __volatile__(
"msr cpsr_c, %0 "
:
: "r"(intSave)
: "memory");
}
#define PSR_I_BIT 0x00000080U
STATIC INLINE UINT32 OsIntLocked(VOID)
{
UINT32 intSave;
asm volatile(
"mrs %0, cpsr "
: "=r" (intSave)
:
: "memory", "cc");
return intSave & PSR_I_BIT;
}
STATIC INLINE UINT32 ArchSPGet(VOID)
{
UINT32 val;
__asm__ __volatile__("mov %0, sp" : "=r"(val));
return val;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_HW_CPU_H */

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @defgroup los_mmu_descriptor_v6 MMU Descriptor v6
* @ingroup kernel
*/
#ifndef __LOS_MMU_DESCRIPTOR_V6_H__
#define __LOS_MMU_DESCRIPTOR_V6_H__
#include "los_vm_common.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define __iomem
#ifndef IS_ALIGNED
#define IS_ALIGNED(a, b) (!(((UINTPTR)(a)) & (((UINTPTR)(b))-1)))
#endif
#define MMU_DESCRIPTOR_TEX_0 0
#define MMU_DESCRIPTOR_TEX_1 1
#define MMU_DESCRIPTOR_TEX_2 2
#define MMU_DESCRIPTOR_TEX_MASK 7
#define MMU_DESCRIPTOR_CACHE_BUFFER_SHIFT 2
#define MMU_DESCRIPTOR_CACHE_BUFFER(x) ((x) << MMU_DESCRIPTOR_CACHE_BUFFER_SHIFT)
#define MMU_DESCRIPTOR_NON_CACHEABLE MMU_DESCRIPTOR_CACHE_BUFFER(0)
#define MMU_DESCRIPTOR_WRITE_BACK_ALLOCATE MMU_DESCRIPTOR_CACHE_BUFFER(1)
#define MMU_DESCRIPTOR_WRITE_THROUGH_NO_ALLOCATE MMU_DESCRIPTOR_CACHE_BUFFER(2)
#define MMU_DESCRIPTOR_WRITE_BACK_NO_ALLOCATE MMU_DESCRIPTOR_CACHE_BUFFER(3)
/* user space mmu access permission define begin */
#define MMU_DESCRIPTOR_DOMAIN_MANAGER 0
#define MMU_DESCRIPTOR_DOMAIN_CLIENT 1
#define MMU_DESCRIPTOR_DOMAIN_NA 2
/* L1 descriptor type */
#define MMU_DESCRIPTOR_L1_TYPE_INVALID (0x0 << 0)
#define MMU_DESCRIPTOR_L1_TYPE_PAGE_TABLE (0x1 << 0)
#define MMU_DESCRIPTOR_L1_TYPE_SECTION (0x2 << 0)
#define MMU_DESCRIPTOR_L1_TYPE_MASK (0x3 << 0)
/* L2 descriptor type */
#define MMU_DESCRIPTOR_L2_TYPE_INVALID (0x0 << 0)
#define MMU_DESCRIPTOR_L2_TYPE_LARGE_PAGE (0x1 << 0)
#define MMU_DESCRIPTOR_L2_TYPE_SMALL_PAGE (0x2 << 0)
#define MMU_DESCRIPTOR_L2_TYPE_SMALL_PAGE_XN (0x3 << 0)
#define MMU_DESCRIPTOR_L2_TYPE_MASK (0x3 << 0)
#define MMU_DESCRIPTOR_IS_L1_SIZE_ALIGNED(x) IS_ALIGNED(x, MMU_DESCRIPTOR_L1_SMALL_SIZE)
#define MMU_DESCRIPTOR_L1_SMALL_SIZE 0x100000
#define MMU_DESCRIPTOR_L1_SMALL_MASK (MMU_DESCRIPTOR_L1_SMALL_SIZE - 1)
#define MMU_DESCRIPTOR_L1_SMALL_FRAME (~MMU_DESCRIPTOR_L1_SMALL_MASK)
#define MMU_DESCRIPTOR_L1_SMALL_SHIFT 20
#define MMU_DESCRIPTOR_L1_SECTION_ADDR(x) ((x) & MMU_DESCRIPTOR_L1_SMALL_FRAME)
#define MMU_DESCRIPTOR_L1_PAGE_TABLE_ADDR(x) ((x) & ~((1 << 10)-1))
#define MMU_DESCRIPTOR_L1_SMALL_L2_TABLES_PER_PAGE 4
#define MMU_DESCRIPTOR_L1_SMALL_ENTRY_NUMBERS 0x4000U
#define MMU_DESCRIPTOR_L1_SMALL_DOMAIN_MASK (~(0x0f << 5)) /* 4k page section domain mask */
#define MMU_DESCRIPTOR_L1_SMALL_DOMAIN_CLIENT (MMU_DESCRIPTOR_DOMAIN_CLIENT << 5)
#define MMU_DESCRIPTOR_L1_PAGETABLE_NON_SECURE (1 << 3)
#define MMU_DESCRIPTOR_L1_SECTION_NON_SECURE (1 << 19)
#define MMU_DESCRIPTOR_L1_SECTION_SHAREABLE (1 << 16)
#define MMU_DESCRIPTOR_L1_SECTION_NON_GLOBAL (1 << 17)
#define MMU_DESCRIPTOR_L1_SECTION_XN (1 << 4)
/* TEX CB */
#define MMU_DESCRIPTOR_L1_TEX_SHIFT 12 /* type extension field shift */
#define MMU_DESCRIPTOR_L1_TEX(x) \
((x) << MMU_DESCRIPTOR_L1_TEX_SHIFT) /* type extension */
#define MMU_DESCRIPTOR_L1_TYPE_STRONGLY_ORDERED \
(MMU_DESCRIPTOR_L1_TEX(MMU_DESCRIPTOR_TEX_0) | MMU_DESCRIPTOR_NON_CACHEABLE)
#define MMU_DESCRIPTOR_L1_TYPE_NORMAL_NOCACHE \
(MMU_DESCRIPTOR_L1_TEX(MMU_DESCRIPTOR_TEX_1) | MMU_DESCRIPTOR_NON_CACHEABLE)
#define MMU_DESCRIPTOR_L1_TYPE_DEVICE_SHARED \
(MMU_DESCRIPTOR_L1_TEX(MMU_DESCRIPTOR_TEX_0) | MMU_DESCRIPTOR_WRITE_BACK_ALLOCATE)
#define MMU_DESCRIPTOR_L1_TYPE_DEVICE_NON_SHARED \
(MMU_DESCRIPTOR_L1_TEX(MMU_DESCRIPTOR_TEX_2) | MMU_DESCRIPTOR_NON_CACHEABLE)
#define MMU_DESCRIPTOR_L1_TYPE_NORMAL_WRITE_BACK_ALLOCATE \
(MMU_DESCRIPTOR_L1_TEX(MMU_DESCRIPTOR_TEX_1) | MMU_DESCRIPTOR_WRITE_BACK_NO_ALLOCATE)
#define MMU_DESCRIPTOR_L1_TEX_TYPE_MASK \
(MMU_DESCRIPTOR_L1_TEX(MMU_DESCRIPTOR_TEX_MASK) | MMU_DESCRIPTOR_WRITE_BACK_NO_ALLOCATE)
#define MMU_DESCRIPTOR_L1_AP2_SHIFT 15
#define MMU_DESCRIPTOR_L1_AP2(x) ((x) << MMU_DESCRIPTOR_L1_AP2_SHIFT)
#define MMU_DESCRIPTOR_L1_AP2_0 (MMU_DESCRIPTOR_L1_AP2(0))
#define MMU_DESCRIPTOR_L1_AP2_1 (MMU_DESCRIPTOR_L1_AP2(1))
#define MMU_DESCRIPTOR_L1_AP01_SHIFT 10
#define MMU_DESCRIPTOR_L1_AP01(x) ((x) << MMU_DESCRIPTOR_L1_AP01_SHIFT)
#define MMU_DESCRIPTOR_L1_AP01_0 (MMU_DESCRIPTOR_L1_AP01(0))
#define MMU_DESCRIPTOR_L1_AP01_1 (MMU_DESCRIPTOR_L1_AP01(1))
#define MMU_DESCRIPTOR_L1_AP01_3 (MMU_DESCRIPTOR_L1_AP01(3))
#define MMU_DESCRIPTOR_L1_AP_P_NA_U_NA (MMU_DESCRIPTOR_L1_AP2_0 | MMU_DESCRIPTOR_L1_AP01_0)
#define MMU_DESCRIPTOR_L1_AP_P_RW_U_RW (MMU_DESCRIPTOR_L1_AP2_0 | MMU_DESCRIPTOR_L1_AP01_3)
#define MMU_DESCRIPTOR_L1_AP_P_RW_U_NA (MMU_DESCRIPTOR_L1_AP2_0 | MMU_DESCRIPTOR_L1_AP01_1)
#define MMU_DESCRIPTOR_L1_AP_P_RO_U_RO (MMU_DESCRIPTOR_L1_AP2_1 | MMU_DESCRIPTOR_L1_AP01_3)
#define MMU_DESCRIPTOR_L1_AP_P_RO_U_NA (MMU_DESCRIPTOR_L1_AP2_1 | MMU_DESCRIPTOR_L1_AP01_1)
#define MMU_DESCRIPTOR_L1_AP_MASK (MMU_DESCRIPTOR_L1_AP2_1 | MMU_DESCRIPTOR_L1_AP01_3)
#define MMU_DESCRIPTOR_L2_SMALL_SIZE 0x1000
#define MMU_DESCRIPTOR_L2_SMALL_MASK (MMU_DESCRIPTOR_L2_SMALL_SIZE - 1)
#define MMU_DESCRIPTOR_L2_SMALL_FRAME (~MMU_DESCRIPTOR_L2_SMALL_MASK)
#define MMU_DESCRIPTOR_L2_SMALL_SHIFT 12
#define MMU_DESCRIPTOR_L2_NUMBERS_PER_L1 \
(MMU_DESCRIPTOR_L1_SMALL_SIZE >> MMU_DESCRIPTOR_L2_SMALL_SHIFT)
#define MMU_DESCRIPTOR_IS_L2_SIZE_ALIGNED(x) IS_ALIGNED(x, MMU_DESCRIPTOR_L2_SMALL_SIZE)
#define MMU_DESCRIPTOR_L2_TEX_SHIFT 6 /* type extension field shift */
#define MMU_DESCRIPTOR_L2_TEX(x) \
((x) << MMU_DESCRIPTOR_L2_TEX_SHIFT) /* type extension */
#define MMU_DESCRIPTOR_L2_TYPE_STRONGLY_ORDERED \
(MMU_DESCRIPTOR_L2_TEX(MMU_DESCRIPTOR_TEX_0) | MMU_DESCRIPTOR_NON_CACHEABLE)
#define MMU_DESCRIPTOR_L2_TYPE_NORMAL_NOCACHE \
(MMU_DESCRIPTOR_L2_TEX(MMU_DESCRIPTOR_TEX_1) | MMU_DESCRIPTOR_NON_CACHEABLE)
#define MMU_DESCRIPTOR_L2_TYPE_DEVICE_SHARED \
(MMU_DESCRIPTOR_L2_TEX(MMU_DESCRIPTOR_TEX_0) | MMU_DESCRIPTOR_WRITE_BACK_ALLOCATE)
#define MMU_DESCRIPTOR_L2_TYPE_DEVICE_NON_SHARED \
(MMU_DESCRIPTOR_L2_TEX(MMU_DESCRIPTOR_TEX_2) | MMU_DESCRIPTOR_NON_CACHEABLE)
#define MMU_DESCRIPTOR_L2_TYPE_NORMAL_WRITE_BACK_ALLOCATE \
(MMU_DESCRIPTOR_L2_TEX(MMU_DESCRIPTOR_TEX_1) | MMU_DESCRIPTOR_WRITE_BACK_NO_ALLOCATE)
#define MMU_DESCRIPTOR_L2_TEX_TYPE_MASK \
(MMU_DESCRIPTOR_L2_TEX(MMU_DESCRIPTOR_TEX_MASK) | MMU_DESCRIPTOR_WRITE_BACK_NO_ALLOCATE)
#define MMU_DESCRIPTOR_L2_AP2_SHIFT 9
#define MMU_DESCRIPTOR_L2_AP2(x) ((x) << MMU_DESCRIPTOR_L2_AP2_SHIFT)
#define MMU_DESCRIPTOR_L2_AP2_0 (MMU_DESCRIPTOR_L2_AP2(0))
#define MMU_DESCRIPTOR_L2_AP2_1 (MMU_DESCRIPTOR_L2_AP2(1))
#define MMU_DESCRIPTOR_L2_AP01_SHIFT 4
#define MMU_DESCRIPTOR_L2_AP01(x) ((x) << MMU_DESCRIPTOR_L2_AP01_SHIFT)
#define MMU_DESCRIPTOR_L2_AP01_0 (MMU_DESCRIPTOR_L2_AP01(0))
#define MMU_DESCRIPTOR_L2_AP01_1 (MMU_DESCRIPTOR_L2_AP01(1))
#define MMU_DESCRIPTOR_L2_AP01_3 (MMU_DESCRIPTOR_L2_AP01(3))
#define MMU_DESCRIPTOR_L2_AP_P_NA_U_NA (MMU_DESCRIPTOR_L2_AP2_0 | MMU_DESCRIPTOR_L2_AP01_0)
#define MMU_DESCRIPTOR_L2_AP_P_RW_U_RW (MMU_DESCRIPTOR_L2_AP2_0 | MMU_DESCRIPTOR_L2_AP01_3)
#define MMU_DESCRIPTOR_L2_AP_P_RW_U_NA (MMU_DESCRIPTOR_L2_AP2_0 | MMU_DESCRIPTOR_L2_AP01_1)
#define MMU_DESCRIPTOR_L2_AP_P_RO_U_RO (MMU_DESCRIPTOR_L2_AP2_1 | MMU_DESCRIPTOR_L2_AP01_3)
#define MMU_DESCRIPTOR_L2_AP_P_RO_U_NA (MMU_DESCRIPTOR_L2_AP2_1 | MMU_DESCRIPTOR_L2_AP01_1)
#define MMU_DESCRIPTOR_L2_AP_MASK (MMU_DESCRIPTOR_L2_AP2_1 | MMU_DESCRIPTOR_L2_AP01_3)
#define MMU_DESCRIPTOR_L2_SHAREABLE (1 << 10)
#define MMU_DESCRIPTOR_L2_NON_GLOBAL (1 << 11)
#define MMU_DESCRIPTOR_L2_SMALL_PAGE_ADDR(x) ((x) & MMU_DESCRIPTOR_L2_SMALL_FRAME)
#define MMU_DESCRIPTOR_TTBCR_PD0 (1 << 4)
#define MMU_DESCRIPTOR_TTBR_WRITE_BACK_ALLOCATE 1
#define MMU_DESCRIPTOR_TTBR_RGN(x) (((x) & 0x3) << 3)
#define MMU_DESCRIPTOR_TTBR_IRGN(x) ((((x) & 0x1) << 6) | ((((x) >> 1) & 0x1) << 0))
#define MMU_DESCRIPTOR_TTBR_S (1 << 1)
#define MMU_DESCRIPTOR_TTBR_NOS (1 << 5)
#ifdef LOSCFG_KERNEL_SMP
#define MMU_TTBRx_SHARABLE_FLAGS (MMU_DESCRIPTOR_TTBR_S | MMU_DESCRIPTOR_TTBR_NOS)
#else
#define MMU_TTBRx_SHARABLE_FLAGS 0
#endif
#define MMU_TTBRx_FLAGS \
(MMU_DESCRIPTOR_TTBR_RGN(MMU_DESCRIPTOR_TTBR_WRITE_BACK_ALLOCATE) | \
MMU_DESCRIPTOR_TTBR_IRGN(MMU_DESCRIPTOR_TTBR_WRITE_BACK_ALLOCATE) | \
MMU_TTBRx_SHARABLE_FLAGS)
#ifdef LOSCFG_KERNEL_SMP
#define MMU_DESCRIPTOR_KERNEL_L1_PTE_FLAGS \
(MMU_DESCRIPTOR_L1_TYPE_SECTION | \
MMU_DESCRIPTOR_L1_TYPE_NORMAL_WRITE_BACK_ALLOCATE | \
MMU_DESCRIPTOR_L1_AP_P_RW_U_NA | \
MMU_DESCRIPTOR_L1_SMALL_DOMAIN_CLIENT | \
MMU_DESCRIPTOR_L1_SECTION_SHAREABLE)
#else
#define MMU_DESCRIPTOR_KERNEL_L1_PTE_FLAGS \
(MMU_DESCRIPTOR_L1_TYPE_SECTION | \
MMU_DESCRIPTOR_L1_TYPE_NORMAL_WRITE_BACK_ALLOCATE | \
MMU_DESCRIPTOR_L1_SMALL_DOMAIN_CLIENT | \
MMU_DESCRIPTOR_L1_AP_P_RW_U_NA)
#endif
#define MMU_INITIAL_MAP_STRONGLY_ORDERED \
(MMU_DESCRIPTOR_L1_TYPE_SECTION | \
MMU_DESCRIPTOR_L1_TYPE_STRONGLY_ORDERED | \
MMU_DESCRIPTOR_L1_SMALL_DOMAIN_CLIENT | \
MMU_DESCRIPTOR_L1_AP_P_RW_U_NA)
#define MMU_INITIAL_MAP_NORMAL_NOCACHE \
(MMU_DESCRIPTOR_L1_TYPE_SECTION | \
MMU_DESCRIPTOR_L1_TYPE_NORMAL_NOCACHE | \
MMU_DESCRIPTOR_L1_SMALL_DOMAIN_CLIENT | \
MMU_DESCRIPTOR_L1_AP_P_RW_U_NA)
#define MMU_INITIAL_MAP_DEVICE \
(MMU_DESCRIPTOR_L1_TYPE_SECTION | \
MMU_DESCRIPTOR_L1_TYPE_DEVICE_SHARED | \
MMU_DESCRIPTOR_L1_SMALL_DOMAIN_CLIENT | \
MMU_DESCRIPTOR_L1_AP_P_RW_U_NA)
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* __LOS_MMU_DESCRIPTOR_V6_H__ */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/los_pte_ops.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @defgroup los_pte_ops page table entry operations
* @ingroup kernel
*/
#ifndef __LOS_PTE_OPS_H__
#define __LOS_PTE_OPS_H__
#include "los_typedef.h"
#include "arm.h"
#include "los_mmu_descriptor_v6.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
STATIC INLINE VOID OsSavePte1(PTE_T *pte1Ptr, PTE_T pte1)
{
DMB;
*pte1Ptr = pte1;
DSB;
}
STATIC INLINE ADDR_T OsTruncPte1(ADDR_T addr)
{
return MMU_DESCRIPTOR_L1_SECTION_ADDR(addr);
}
STATIC INLINE UINT32 OsGetPte1Index(vaddr_t va)
{
return va >> MMU_DESCRIPTOR_L1_SMALL_SHIFT;
}
STATIC INLINE VOID OsClearPte1(PTE_T *pte1Ptr)
{
OsSavePte1(pte1Ptr, 0);
}
STATIC INLINE PADDR_T OsGetPte1Paddr(PADDR_T PhysTtb, vaddr_t va)
{
return (PhysTtb + (OsGetPte1Index(va) * sizeof(PADDR_T)));
}
STATIC INLINE PTE_T *OsGetPte1Ptr(PTE_T *pte1BasePtr, vaddr_t va)
{
return (pte1BasePtr + OsGetPte1Index(va));
}
STATIC INLINE PTE_T OsGetPte1(PTE_T *pte1BasePtr, vaddr_t va)
{
return *OsGetPte1Ptr(pte1BasePtr, va);
}
STATIC INLINE BOOL OsIsPte1PageTable(PTE_T pte1)
{
return (pte1 & MMU_DESCRIPTOR_L1_TYPE_MASK) == MMU_DESCRIPTOR_L1_TYPE_PAGE_TABLE;
}
STATIC INLINE BOOL OsIsPte1Invalid(PTE_T pte1)
{
return (pte1 & MMU_DESCRIPTOR_L1_TYPE_MASK) == MMU_DESCRIPTOR_L1_TYPE_INVALID;
}
STATIC INLINE BOOL OsIsPte1Section(PTE_T pte1)
{
return (pte1 & MMU_DESCRIPTOR_L1_TYPE_MASK) == MMU_DESCRIPTOR_L1_TYPE_SECTION;
}
STATIC INLINE UINT32 OsGetPte2Index(vaddr_t va)
{
return (va % MMU_DESCRIPTOR_L1_SMALL_SIZE) >> MMU_DESCRIPTOR_L2_SMALL_SHIFT;
}
STATIC INLINE PTE_T *OsGetPte2Ptr(PTE_T *pte2BasePtr, vaddr_t va)
{
return (pte2BasePtr + OsGetPte2Index(va));
}
STATIC INLINE PTE_T OsGetPte2(PTE_T *pte2BasePtr, vaddr_t va)
{
return *(pte2BasePtr + OsGetPte2Index(va));
}
STATIC INLINE VOID OsSavePte2(PTE_T *pte2Ptr, PTE_T pte2)
{
DMB;
*pte2Ptr = pte2;
DSB;
}
STATIC INLINE UINT32 OsSavePte2Continuous(PTE_T *pte2BasePtr, UINT32 index, PTE_T pte2, UINT32 count)
{
UINT32 saveCounts = 0;
if (count == 0) {
return 0;
}
DMB;
do {
pte2BasePtr[index++] = pte2;
count--;
pte2 += MMU_DESCRIPTOR_L2_SMALL_SIZE;
saveCounts++;
} while ((count != 0) && (index != MMU_DESCRIPTOR_L2_NUMBERS_PER_L1));
DSB;
return saveCounts;
}
STATIC INLINE VOID OsClearPte2Continuous(PTE_T *pte2Ptr, UINT32 count)
{
UINT32 index = 0;
DMB;
while (count > 0) {
pte2Ptr[index++] = 0;
count--;
}
DSB;
}
STATIC INLINE BOOL OsIsPte2SmallPage(PTE_T pte2)
{
return (pte2 & MMU_DESCRIPTOR_L2_TYPE_MASK) == MMU_DESCRIPTOR_L2_TYPE_SMALL_PAGE;
}
STATIC INLINE BOOL OsIsPte2SmallPageXN(PTE_T pte2)
{
return (pte2 & MMU_DESCRIPTOR_L2_TYPE_MASK) == MMU_DESCRIPTOR_L2_TYPE_SMALL_PAGE_XN;
}
STATIC INLINE BOOL OsIsPte2LargePage(PTE_T pte2)
{
return (pte2 & MMU_DESCRIPTOR_L2_TYPE_MASK) == MMU_DESCRIPTOR_L2_TYPE_LARGE_PAGE;
}
STATIC INLINE BOOL OsIsPte2Invalid(PTE_T pte2)
{
return (pte2 & MMU_DESCRIPTOR_L2_TYPE_MASK) == MMU_DESCRIPTOR_L2_TYPE_INVALID;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* __LOS_PTE_OPS_H__ */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/los_tlb_v6.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @defgroup los_tlb_v6 MMU TLB v6
* @ingroup kernel
*/
#ifndef __LOS_TLB_V6_H__
#define __LOS_TLB_V6_H__
#include "los_typedef.h"
#include "arm.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
STATIC INLINE VOID OsArmInvalidateTlbBarrier(VOID)
{
#ifdef LOSCFG_KERNEL_SMP
OsArmWriteBpiallis(0);
#else
OsArmWriteBpiall(0);
#endif
DSB;
ISB;
}
STATIC INLINE VOID OsArmInvalidateTlbMvaNoBarrier(VADDR_T va)
{
#ifdef LOSCFG_KERNEL_SMP
OsArmWriteTlbimvaais(va & 0xfffff000);
#else
OsArmWriteTlbimvaa(va & 0xfffff000);
#endif
}
STATIC INLINE VOID OsArmInvalidateTlbMvaRangeNoBarrier(VADDR_T start, UINT32 count)
{
UINT32 index = 0;
while (count > 0) {
OsArmInvalidateTlbMvaNoBarrier(start + (index << MMU_DESCRIPTOR_L2_SMALL_SHIFT));
index++;
count--;
}
}
STATIC INLINE VOID OsCleanTLB(VOID)
{
UINT32 val = 0;
__asm volatile("mcr p15, 0, %0, c8, c7, 0" : : "r"(val));
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* __LOS_TLB_V6_H__ */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/include/smp.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ARCH_SMP_H
#define _ARCH_SMP_H
#include "los_config.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
struct SmpOps {
INT32 (*SmpCpuOn)(UINT32 cpuNum, UINTPTR startEntry); /* The startEntry is physical addr. */
};
typedef VOID (*ArchCpuStartFunc)(VOID *arg);
VOID HalArchCpuOn(UINT32 cpuNum, ArchCpuStartFunc func, struct SmpOps *ops, VOID *arg);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _ARCH_SMP_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/arm_generic_timer.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_hw_pri.h"
#include "los_tick_pri.h"
#include "los_sys_pri.h"
#include "gic_common.h"
#define STRING_COMB(x, y, z) x ## y ## z
#ifdef LOSCFG_ARCH_SECURE_MONITOR_MODE
#define TIMER_REG(reg) STRING_COMB(TIMER_REG_, CNTPS, reg)
#else
#define TIMER_REG(reg) STRING_COMB(TIMER_REG_, CNTP, reg)
#endif
#define TIMER_REG_CTL TIMER_REG(_CTL) /* 32 bits */
#define TIMER_REG_TVAL TIMER_REG(_TVAL) /* 32 bits */
#define TIMER_REG_CVAL TIMER_REG(_CVAL) /* 64 bits */
#define TIMER_REG_CT TIMER_REG(CT) /* 64 bits */
#ifdef __LP64__
#define TIMER_REG_CNTFRQ cntfrq_el0
/* CNTP AArch64 registers */
#define TIMER_REG_CNTP_CTL cntp_ctl_el0
#define TIMER_REG_CNTP_TVAL cntp_tval_el0
#define TIMER_REG_CNTP_CVAL cntp_cval_el0
#define TIMER_REG_CNTPCT cntpct_el0
/* CNTPS AArch64 registers */
#define TIMER_REG_CNTPS_CTL cntps_ctl_el1
#define TIMER_REG_CNTPS_TVAL cntps_tval_el1
#define TIMER_REG_CNTPS_CVAL cntps_cval_el1
#define TIMER_REG_CNTPSCT cntpct_el0
#define READ_TIMER_REG32(reg) AARCH64_SYSREG_READ(reg)
#define READ_TIMER_REG64(reg) AARCH64_SYSREG_READ(reg)
#define WRITE_TIMER_REG32(reg, val) AARCH64_SYSREG_WRITE(reg, (UINT64)(val))
#define WRITE_TIMER_REG64(reg, val) AARCH64_SYSREG_WRITE(reg, val)
#else /* Aarch32 */
#define TIMER_REG_CNTFRQ CP15_REG(c14, 0, c0, 0)
/* CNTP AArch32 registers */
#define TIMER_REG_CNTP_CTL CP15_REG(c14, 0, c2, 1)
#define TIMER_REG_CNTP_TVAL CP15_REG(c14, 0, c2, 0)
#define TIMER_REG_CNTP_CVAL CP15_REG64(c14, 2)
#define TIMER_REG_CNTPCT CP15_REG64(c14, 0)
/* CNTPS AArch32 registers are banked and accessed though CNTP */
#define CNTPS CNTP
#define READ_TIMER_REG32(reg) ARM_SYSREG_READ(reg)
#define READ_TIMER_REG64(reg) ARM_SYSREG64_READ(reg)
#define WRITE_TIMER_REG32(reg, val) ARM_SYSREG_WRITE(reg, val)
#define WRITE_TIMER_REG64(reg, val) ARM_SYSREG64_WRITE(reg, val)
#endif
UINT32 HalClockFreqRead(VOID)
{
return READ_TIMER_REG32(TIMER_REG_CNTFRQ);
}
VOID HalClockFreqWrite(UINT32 freq)
{
WRITE_TIMER_REG32(TIMER_REG_CNTFRQ, freq);
}
STATIC_INLINE VOID TimerCtlWrite(UINT32 cntpCtl)
{
WRITE_TIMER_REG32(TIMER_REG_CTL, cntpCtl);
}
STATIC_INLINE UINT64 TimerCvalRead(VOID)
{
return READ_TIMER_REG64(TIMER_REG_CVAL);
}
STATIC_INLINE VOID TimerCvalWrite(UINT64 cval)
{
WRITE_TIMER_REG64(TIMER_REG_CVAL, cval);
}
STATIC_INLINE VOID TimerTvalWrite(UINT32 tval)
{
WRITE_TIMER_REG32(TIMER_REG_TVAL, tval);
}
UINT64 HalClockGetCycles(VOID)
{
UINT64 cntpct;
cntpct = READ_TIMER_REG64(TIMER_REG_CT);
return cntpct;
}
LITE_OS_SEC_TEXT_INIT VOID HalClockInit(VOID)
{
UINT32 ret;
g_sysClock = HalClockFreqRead();
ret = LOS_HwiCreate(OS_TICK_INT_NUM, MIN_INTERRUPT_PRIORITY, 0, OsTickHandler, 0);
if (ret != LOS_OK) {
PRINT_ERR("%s, %d create tick irq failed, ret:0x%x\n", __FUNCTION__, __LINE__, ret);
}
}
LITE_OS_SEC_TEXT_INIT VOID HalClockStart(VOID)
{
HalIrqUnmask(OS_TICK_INT_NUM);
/* triggle the first tick */
TimerCtlWrite(0);
TimerTvalWrite(OS_CYCLE_PER_TICK);
TimerCtlWrite(1);
}
VOID HalDelayUs(UINT32 usecs)
{
UINT64 cycles = (UINT64)usecs * g_sysClock / OS_SYS_US_PER_SECOND;
UINT64 deadline = HalClockGetCycles() + cycles;
while (HalClockGetCycles() < deadline) {
__asm__ volatile ("nop");
}
}
DEPRECATED UINT64 hi_sched_clock(VOID)
{
return LOS_CurrNanosec();
}
UINT32 HalClockGetTickTimerCycles(VOID)
{
UINT64 cval = TimerCvalRead();
UINT64 cycles = HalClockGetCycles();
return (UINT32)((cval > cycles) ? (cval - cycles) : 0);
}
UINT64 HalClockTickTimerReload(UINT64 cycles)
{
HalIrqMask(OS_TICK_INT_NUM);
HalIrqClear(OS_TICK_INT_NUM);
TimerCtlWrite(0);
TimerCvalWrite(HalClockGetCycles() + cycles);
TimerCtlWrite(1);
HalIrqUnmask(OS_TICK_INT_NUM);
return cycles;
}

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/armv7a/cache.S
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "asm.h"
.fpu vfpv4
.arch armv7a
.macro DCACHE_LINE_SIZE, reg, tmp
mrc p15, 0, \tmp, c0, c0, 1
lsr \tmp, \tmp, #16
and \tmp, \tmp, #0xf
mov \reg, #4
mov \reg, \reg, lsl \tmp
.endm
FUNCTION(arm_inv_cache_range)
push {r2, r3}
DCACHE_LINE_SIZE r2, r3
sub r3, r2, #1
tst r0, r3
bic r0, r0, r3
mcrne p15, 0, r0, c7, c14, 1
tst r1, r3
bic r1, r1, r3
mcrne p15, 0, r1, c7, c14, 1
1:
mcr p15, 0, r0, c7, c6, 1
add r0, r0, r2
cmp r0, r1
blo 1b
dsb
pop {r2, r3}
mov pc, lr
FUNCTION(arm_clean_cache_range)
push {r2, r3}
DCACHE_LINE_SIZE r2, r3
sub r3, r2, #1
bic r0, r0, r3
1:
mcr p15, 0, r0, c7, c10, 1
add r0, r0, r2
cmp r0, r1
blo 1b
dsb
pop {r2, r3}
mov pc, lr

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/clear_user.S
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/*
* Copyright (c) 2021-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "asm.h"
.syntax unified
.arm
// size_t _arm_clear_user(void *addr, size_t bytes)
FUNCTION(_arm_clear_user)
push {r0-r6, lr}
cmp r1, #0
beq .Lclear_user_return
tst r0, #7
beq .Lclear_user_aligned
.Lclear_user_byte:
mov r2, #0
0: strb r2, [r0], #1
subs r1, r1, #1
beq .Lclear_user_return
tst r0, #7
bne 0b
.Lclear_user_aligned:
eor r3, r3
eor r4, r4
bics r2, r1, #15
bne .Lclear_user_16bytes
bics r2, r1, #7
bne .Lclear_user_8bytes
b .Lclear_user_remaining
.Lclear_user_16bytes:
eor r5, r5
eor r6, r6
1: stmia r0!, {r3, r4, r5, r6}
subs r2, r2, #16
bne 1b
ands r1, r1, #15
beq .Lclear_user_return
bics r2, r1, #7
beq .Lclear_user_remaining
.Lclear_user_8bytes:
2: stmia r0!, {r3, r4}
ands r1, r1, #7
beq .Lclear_user_return
.Lclear_user_remaining:
mov r2, #0
3: strb r2, [r0], #1
subs r1, r1, #1
bne 3b
.Lclear_user_return:
pop {r0-r6, lr}
mov r0, #0
bx lr
.Lclear_user_err:
pop {r0, r1}
sub r0, r2, r0
sub r0, r1, r0
pop {r2-r6, lr}
bx lr
.pushsection __exc_table, "a"
.long 0b, .Lclear_user_err
.long 1b, .Lclear_user_err
.long 2b, .Lclear_user_err
.long 3b, .Lclear_user_err
.popsection

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/hw_user_get.S
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "asm.h"
.syntax unified
.arm
// errno_t _arm_get_user(void *dst, const void *src, size_t dstTypeLen, size_t srcTypeLen)
FUNCTION(_arm_get_user)
stmdb sp!, {r0, r1, r2, r3, lr}
cmp r2, #0
beq .Lget_user_return
cmp r2, r3
bne .Lget_user_err
cmp r2, #1
bhi .Lget_user_half
.Lget_user_byte:
0: ldrbt r3, [r1], #0
1: strb r3, [r0], #0
b .Lget_user_return
.Lget_user_half:
cmp r2, #2
bhi .Lget_user_word
2: ldrht r3, [r1], #0
3: strh r3, [r0], #0
b .Lget_user_return
.Lget_user_word:
cmp r2, #4
bhi .Lget_user_err
4: ldrt r3, [r1], #0
5: str r3, [r0], #0
.Lget_user_return:
ldmia sp!, {r0, r1, r2, r3, lr}
mov r0, 0
bx lr
.Lget_user_err:
ldmia sp!, {r0, r1, r2, r3, lr}
mov r0, #-14
bx lr
.pushsection __exc_table, "a"
.long 0b, .Lget_user_err
.long 1b, .Lget_user_err
.long 2b, .Lget_user_err
.long 3b, .Lget_user_err
.long 4b, .Lget_user_err
.long 5b, .Lget_user_err
.popsection

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/hw_user_put.S
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "asm.h"
.syntax unified
.arm
// errno_t _arm_put_user(void *dst, const void *src, size_t dstTypeLen, size_t srcTypeLen)
FUNCTION(_arm_put_user)
stmdb sp!, {r0, r1, r2, r3, lr}
cmp r2, #0
beq .Lget_user_return
cmp r2, r3
bne .Lget_user_err
cmp r2, #1
bhi .Lget_user_half
.Lget_user_byte:
0: ldrb r3, [r1], #0
1: strbt r3, [r0], #0
b .Lget_user_return
.Lget_user_half:
cmp r2, #2
bhi .Lget_user_word
2: ldrh r3, [r1], #0
3: strht r3, [r0], #0
b .Lget_user_return
.Lget_user_word:
cmp r2, #4
bhi .Lget_user_err
4: ldr r3, [r1], #0
5: strt r3, [r0], #0
.Lget_user_return:
ldmia sp!, {r0, r1, r2, r3, lr}
mov r0, 0
bx lr
.Lget_user_err:
ldmia sp!, {r0, r1, r2, r3, lr}
mov r0, #-14
bx lr
.pushsection __exc_table, "a"
.long 0b, .Lget_user_err
.long 1b, .Lget_user_err
.long 2b, .Lget_user_err
.long 3b, .Lget_user_err
.long 4b, .Lget_user_err
.long 5b, .Lget_user_err
.popsection

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/include/armv7_pmu_pri.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ARMV7_PMU_PRI_H
#define _ARMV7_PMU_PRI_H
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/* counters overflow flag status reg */
#define ARMV7_FLAG_MASK 0xffffffff /* Mask for writable bits */
#define ARMV7_OVERFLOWED_MASK ARMV7_FLAG_MASK /* Mask for pmu overflowed */
/* pmnc config reg */
#define ARMV7_PMNC_E (1U << 0) /* Enable all counters */
#define ARMV7_PMNC_P (1U << 1) /* Reset all counters */
#define ARMV7_PMNC_C (1U << 2) /* Cycle counter reset */
#define ARMV7_PMNC_D (1U << 3) /* CCNT counts every 64th cpu cycle */
#define ARMV7_PMNC_X (1U << 4) /* Export to ETM */
#define ARMV7_PMNC_DP (1U << 5) /* Disable CCNT if non-invasive debug */
#define ARMV7_PMNC_MASK 0x3f /* Mask for writable bits */
/* pmxevtyper event selection reg */
#define ARMV7_EVTYPE_MASK 0xc80000ff /* Mask for writable bits */
/* armv7 counters index */
#define ARMV7_IDX_COUNTER0 1
#define ARMV7_IDX_CYCLE_COUNTER 0
#define ARMV7_IDX_MAX_COUNTER 9
#define ARMV7_MAX_COUNTERS 32
#define ARMV7_IDX_COUNTER_LAST (ARMV7_IDX_CYCLE_COUNTER + ARMV7_MAX_COUNTERS - 1)
#define ARMV7_COUNTER_MASK (ARMV7_MAX_COUNTERS - 1)
/* armv7 event counter index mapping */
#define ARMV7_CNT2BIT(x) (1UL << (x))
#define ARMV7_IDX2CNT(x) (((x) - ARMV7_IDX_COUNTER0) & ARMV7_COUNTER_MASK)
enum PmuEventType {
ARMV7_PERF_HW_CYCLES = 0xFF, /* cycles */
ARMV7_PERF_HW_INSTRUCTIONS = 0x08, /* instructions */
ARMV7_PERF_HW_DCACHES = 0x04, /* dcache */
ARMV7_PERF_HW_DCACHE_MISSES = 0x03, /* dcache-misses */
ARMV7_PERF_HW_ICACHES = 0x14, /* icache */
ARMV7_PERF_HW_ICACHE_MISSES = 0x01, /* icache-misses */
ARMV7_PERF_HW_BRANCHES = 0x0C, /* software change of pc */
ARMV7_PERF_HW_BRANCE_MISSES = 0x10, /* branch-misses */
ARMV7_PERF_HW_PRED_BRANCH = 0x12, /* predictable branches */
ARMV7_PERF_HW_NUM_CYC_IRQ = 0x50, /* number of cycles Irqs are interrupted */
ARMV7_PERF_HW_EXC_TAKEN = 0x09, /* exception_taken */
ARMV7_PERF_HW_DATA_READ = 0x06, /* data read */
ARMV7_PERF_HW_DATA_WRITE = 0x07, /* data write */
ARMV7_PERF_HW_STREX_PASSED = 0x80, /* strex passed */
ARMV7_PERF_HW_STREX_FAILED = 0x81, /* strex failed */
ARMV7_PERF_HW_LP_IN_TCM = 0x82, /* literal pool in TCM region */
ARMV7_PERF_HW_DMB_STALL = 0x90, /* DMB stall */
ARMV7_PERF_HW_ITCM_ACCESS = 0x91, /* ITCM access */
ARMV7_PERF_HW_DTCM_ACCESS = 0x92, /* DTCM access */
ARMV7_PERF_HW_DATA_EVICTION = 0x93, /* data eviction */
ARMV7_PERF_HW_SCU = 0x94, /* SCU coherency operation */
ARMV7_PERF_HW_INSCACHE_DEP_DW = 0x95, /* instruction cache dependent stall */
ARMV7_PERF_HW_DATA_CACHE_DEP_STALL = 0x96, /* data cache dependent stall */
ARMV7_PERF_HW_NOCACHE_NO_PER_DEP_STALL = 0x97, /* non-cacheable no peripheral dependent stall */
ARMV7_PERF_HW_NOCACHE_PER_DEP_STALL = 0x98, /* non-Cacheable peripheral dependent stall */
ARMV7_PERF_HW_DATA_CACHE_HP_DEP_STALL = 0x99, /* data cache high priority dependent stall */
ARMV7_PERF_HW_AXI_FAST_PERIPHERAL = 0x9A, /* Accesses_to_AXI_fast_peripheral_port(reads_and_writes) */
};
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _ARMV7_PMU_PRI_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/include/asm.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __ASM_H
#define __ASM_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define FUNCTION(x) .global x; .text; .code 32; x:
#define MPIDR_CPUID_MASK 0xFFU
/*
* ------------------------------------------
* stackTop | cpu n | ... | cpu 1 | cpu 0 | stackBottom
* ------------------------------------------
* | stackSize | ... | stackSize | stackSize |
*/
.macro EXC_SP_SET stackBottom, stackSize, reg0, reg1
mrc p15, 0, \reg0, c0, c0, 5
and \reg0, \reg0, #MPIDR_CPUID_MASK /* get cpu id */
mov \reg1, #\stackSize
mul \reg1, \reg1, \reg0 /* calculate current cpu stack offset */
ldr \reg0, =\stackBottom
sub \reg0, \reg0, \reg1 /* calculate current cpu stack bottom */
mov sp, \reg0 /* set sp */
.endm
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* __ASM_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/include/los_exc_pri.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_EXC_PRI_H
#define _LOS_EXC_PRI_H
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define OS_SYSTEM_NORMAL 0
#define OS_SYSTEM_EXC_CURR_CPU 1
#define OS_SYSTEM_EXC_OTHER_CPU 2
#define REGION_PATH_MAX 32
typedef struct {
#ifdef LOSCFG_KERNEL_VM
UINTPTR ip;
UINT32 len; /* f_path length */
CHAR f_path[REGION_PATH_MAX];
#else
UINTPTR ip;
#endif
} IpInfo;
extern UINT32 OsGetSystemStatus(VOID);
extern VOID BackTraceSub(UINTPTR regFP);
extern VOID OsExcInit(VOID);
extern BOOL OsSystemExcIsReset(VOID);
extern UINT32 BackTraceGet(UINTPTR regFP, IpInfo *callChain, UINT32 maxDepth);
extern BOOL OsGetUsrIpInfo(UINTPTR ip, IpInfo *info);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_EXC_PRI_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/include/los_hw_pri.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_HW_PRI_H
#define _LOS_HW_PRI_H
#include "los_base.h"
#include "los_hw.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#if defined(LOSCFG_ARCH_FPU_VFP_D16)
#define FP_REGS_NUM 16
#elif defined (LOSCFG_ARCH_FPU_VFP_D32)
#define FP_REGS_NUM 32
#endif
#define GEN_REGS_NUM 13
/* The size of this structure must be smaller than or equal to the size specified by OS_TSK_STACK_ALIGN (16 bytes). */
typedef struct {
#if !defined(LOSCFG_ARCH_FPU_DISABLE)
UINT64 D[FP_REGS_NUM]; /* D0-D31 */
UINT32 regFPSCR; /* FPSCR */
UINT32 regFPEXC; /* FPEXC */
#endif
UINT32 R4;
UINT32 R5;
UINT32 R6;
UINT32 R7;
UINT32 R8;
UINT32 R9;
UINT32 R10;
UINT32 R11;
/* It has the same structure as IrqContext */
UINT32 reserved2; /**< Multiplexing registers, used in interrupts and system calls but with different meanings */
UINT32 reserved1; /**< Multiplexing registers, used in interrupts and system calls but with different meanings */
UINT32 USP; /**< User mode sp register */
UINT32 ULR; /**< User mode lr register */
UINT32 R0;
UINT32 R1;
UINT32 R2;
UINT32 R3;
UINT32 R12;
UINT32 LR;
UINT32 PC;
UINT32 regCPSR;
} TaskContext;
typedef struct {
UINT32 reserved2; /**< Multiplexing registers, used in interrupts and system calls but with different meanings */
UINT32 reserved1; /**< Multiplexing registers, used in interrupts and system calls but with different meanings */
UINT32 USP; /**< User mode sp register */
UINT32 ULR; /**< User mode lr register */
UINT32 R0;
UINT32 R1;
UINT32 R2;
UINT32 R3;
UINT32 R12;
UINT32 LR;
UINT32 PC;
UINT32 regCPSR;
} IrqContext;
/*
* Description : task stack initialization
* Input : taskID -- task ID
* stackSize -- task stack size
* topStack -- stack top of task (low address)
* Return : pointer to the task context
*/
extern VOID *OsTaskStackInit(UINT32 taskID, UINT32 stackSize, VOID *topStack, BOOL initFlag);
extern VOID OsUserCloneParentStack(VOID *childStack, UINTPTR parentTopOfStask, UINT32 parentStackSize);
extern VOID OsUserTaskStackInit(TaskContext *context, UINTPTR taskEntry, UINTPTR stack);
extern VOID OsInitSignalContext(const VOID *sp, VOID *signalContext, UINTPTR sigHandler, UINT32 signo, UINT32 param);
extern void arm_clean_cache_range(UINTPTR start, UINTPTR end);
extern void arm_inv_cache_range(UINTPTR start, UINTPTR end);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_HW_PRI_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/include/los_hwi_pri.h
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_HWI_PRI_H
#define _LOS_HWI_PRI_H
#include "los_hwi.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/**
* @ingroup los_hwi
* The hwi form does not contain exceptions for Aarch32
*/
#define OS_HWI_FORM_EXC_NUM 0
#if OS_HWI_FORM_EXC_NUM != 0
#error "OS_HWI_FORM_EXC_NUM must be zero"
#endif
#ifdef LOSCFG_NO_SHARED_IRQ
#define HWI_IS_REGISTED(num) ((&g_hwiForm[num])->pfnHook != NULL)
#else
#define HWI_IS_REGISTED(num) ((&g_hwiForm[num])->pstNext != NULL)
#endif
extern VOID OsHwiInit(VOID);
extern VOID OsIncHwiFormCnt(UINT32 index);
extern UINT32 OsGetHwiFormCnt(UINT32 index);
extern CHAR *OsGetHwiFormName(UINT32 index);
extern VOID OsInterrupt(UINT32 intNum);
extern VOID OsSyscallHandleInit(VOID);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_HWI_PRI_H */

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/jmp.S
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "asm.h"
FUNCTION(longjmp)
ldmfd r0,{r4-r12}
add r0,#(4 * 9)
ldr r13,[r0]
add r0,#4
ldr r14,[r0]
cmp r1,#0
moveq r1,#1
mov r0,r1
mov pc,lr
FUNCTION(setjmp)
stmea r0,{r4-r12}
add r0,#(4 * 9)
str r13,[r0]
add r0,#4
str r14,[r0]
mov r0,#0
mov pc,lr

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/los_arch_mmu.c
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73
kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/los_asid.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @defgroup los_asid mmu address space id
* @ingroup kernel
*/
#include "los_asid.h"
#include "los_bitmap.h"
#include "los_spinlock.h"
#include "los_mmu_descriptor_v6.h"
#ifdef LOSCFG_KERNEL_VM
STATIC SPIN_LOCK_INIT(g_cpuAsidLock);
STATIC UINTPTR g_asidPool[BITMAP_NUM_WORDS(1UL << MMU_ARM_ASID_BITS)];
/* allocate and free asid */
status_t OsAllocAsid(UINT32 *asid)
{
UINT32 flags;
LOS_SpinLockSave(&g_cpuAsidLock, &flags);
UINT32 firstZeroBit = LOS_BitmapFfz(g_asidPool, 1UL << MMU_ARM_ASID_BITS);
if (firstZeroBit >= 0 && firstZeroBit < (1UL << MMU_ARM_ASID_BITS)) {
LOS_BitmapSetNBits(g_asidPool, firstZeroBit, 1);
*asid = firstZeroBit;
LOS_SpinUnlockRestore(&g_cpuAsidLock, flags);
return LOS_OK;
}
LOS_SpinUnlockRestore(&g_cpuAsidLock, flags);
return firstZeroBit;
}
VOID OsFreeAsid(UINT32 asid)
{
UINT32 flags;
LOS_SpinLockSave(&g_cpuAsidLock, &flags);
LOS_BitmapClrNBits(g_asidPool, asid, 1);
LOS_SpinUnlockRestore(&g_cpuAsidLock, flags);
}
#endif

234
kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/los_dispatch.S
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "asm.h"
#include "arch_config.h"
.extern OsSaveSignalContext
.extern OsSchedToUserReleaseLock
.global OsTaskSchedule
.global OsTaskContextLoad
.global OsIrqHandler
.fpu vfpv4
/* macros to align and unalign the stack on 8 byte boundary for ABI compliance */
.macro STACK_ALIGN, reg
MOV \reg, sp
TST SP, #4
SUBEQ SP, #4
PUSH { \reg }
.endm
.macro STACK_RESTORE, reg
POP { \reg }
MOV sp, \reg
.endm
/* macros to save and restore fpu regs */
.macro PUSH_FPU_REGS reg1
#if !defined(LOSCFG_ARCH_FPU_DISABLE)
VMRS \reg1, FPEXC
PUSH {\reg1}
VMRS \reg1, FPSCR
PUSH {\reg1}
#if defined(LOSCFG_ARCH_FPU_VFP_D32)
VPUSH {D16-D31}
#endif
VPUSH {D0-D15}
#endif
.endm
.macro POP_FPU_REGS reg1
#if !defined(LOSCFG_ARCH_FPU_DISABLE)
VPOP {D0-D15}
#if defined(LOSCFG_ARCH_FPU_VFP_D32)
VPOP {D16-D31}
#endif
POP {\reg1}
VMSR FPSCR, \reg1
POP {\reg1}
VMSR FPEXC, \reg1
#endif
.endm
/*
* R0: new task
* R1: run task
*/
OsTaskSchedule:
MRS R2, CPSR
STMFD SP!, {R2}
STMFD SP!, {LR}
STMFD SP!, {LR}
STMFD SP!, {R12}
/* jump R0 - R3 USP, ULR reserved */
SUB SP, SP, #(8 * 4)
/* push R4 - R11*/
STMFD SP!, {R4-R11}
/* save fpu registers */
PUSH_FPU_REGS R2
/* store sp on running task */
STR SP, [R1]
OsTaskContextLoad:
/* clear the flag of ldrex */
CLREX
/* switch to new task's sp */
LDR SP, [R0]
/* restore fpu registers */
POP_FPU_REGS R2
LDMFD SP!, {R4-R11}
LDR R3, [SP, #(11 * 4)]
AND R0, R3, #CPSR_MASK_MODE
CMP R0, #CPSR_USER_MODE
BNE OsKernelTaskLoad
MVN R2, #CPSR_INT_DISABLE
AND R3, R3, R2
STR R3, [SP, #(11 * 4)]
#ifdef LOSCFG_KERNEL_SMP
BL OsSchedToUserReleaseLock
#endif
/* jump sp, reserved */
ADD SP, SP, #(2 * 4)
LDMFD SP, {R13, R14}^
ADD SP, SP, #(2 * 4)
LDMFD SP!, {R0-R3, R12, LR}
RFEIA SP!
OsKernelTaskLoad:
ADD SP, SP, #(4 * 4)
LDMFD SP!, {R0-R3, R12, LR}
RFEIA SP!
OsIrqHandler:
SUB LR, LR, #4
/* Save pc and cpsr to svc sp, ARMv6 and above support */
SRSFD #0x13!
/* disable irq, switch to svc mode */
CPSID i, #0x13
#ifdef LOSCFG_KERNEL_PERF
PUSH {R0-R3, R12, LR}
MOV R0, LR
MOV R1, FP
BL OsPerfSetIrqRegs
POP {R0-R3, R12, LR}
#endif
STMFD SP!, {R0-R3, R12, LR}
STMFD SP, {R13, R14}^
SUB SP, SP, #(4 * 4)
STR R4, [SP, #0]
/*
* save fpu regs in case in case those been
* altered in interrupt handlers.
*/
PUSH_FPU_REGS R0
MOV R4, SP
EXC_SP_SET __svc_stack_top, OS_EXC_SVC_STACK_SIZE, R1, R2
BLX HalIrqHandler
MOV SP, R4
/* process pending signals */
BLX OsTaskProcSignal
BLX OsSchedIrqEndCheckNeedSched
/* restore fpu regs */
POP_FPU_REGS R0
LDR R4, [SP, #0]
#ifdef LOSCFG_KERNEL_VM
/* Obtain the CPSR to determine the mode the system is in when the interrupt is triggered */
LDR R3, [SP, #(11 * 4)]
AND R1, R3, #CPSR_MASK_MODE
CMP R1, #CPSR_USER_MODE
BNE 1f
MOV R0, SP
STR R7, [SP, #0]
/* sp - sizeof(IrqContext) */
SUB SP, SP, #(12 * 4)
MOV R1, SP
BLX OsSaveSignalContext
MOV SP, R0
1:
#endif
ADD SP, SP, #(2 * 4)
/* load user sp and lr, and jump cpsr */
LDMFD SP, {R13, R14}^
ADD SP, SP, #(2 * 4)
LDMFD SP!, {R0-R3, R12, LR}
RFEIA SP!
FUNCTION(ArchSpinLock)
mov r1, #1
1:
ldrex r2, [r0]
cmp r2, #0
wfene
strexeq r2, r1, [r0]
cmpeq r2, #0
bne 1b
dmb
bx lr
FUNCTION(ArchSpinTrylock)
mov r1, #1
mov r2, r0
ldrex r0, [r2]
cmp r0, #0
strexeq r0, r1, [r2]
dmb
bx lr
FUNCTION(ArchSpinUnlock)
mov r1, #0
dmb
str r1, [r0]
dsb
sev
bx lr

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kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/los_exc.c
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179
kernel_liteos_a-OpenHarmony-v3.1.7-Release/arch/arm/arm/src/los_hw.c
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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_hw_pri.h"
#include "los_task_pri.h"
/* support cpu vendors */
CpuVendor g_cpuTable[] = {
/* armv7-a */
{ 0xc07, "Cortex-A7" },
{ 0xc09, "Cortex-A9" },
{ 0, NULL }
};
/* logical cpu mapping */
UINT64 g_cpuMap[LOSCFG_KERNEL_CORE_NUM] = {
[0 ... LOSCFG_KERNEL_CORE_NUM - 1] = (UINT64)(-1)
};
/* bit[30] is enable FPU */
#define FP_EN (1U << 30)
LITE_OS_SEC_TEXT_INIT VOID OsTaskExit(VOID)
{
__asm__ __volatile__("swi 0");
}
#ifdef LOSCFG_GDB
STATIC VOID OsTaskEntrySetupLoopFrame(UINT32) __attribute__((noinline, naked));
VOID OsTaskEntrySetupLoopFrame(UINT32 arg0)
{
asm volatile("\tsub fp, sp, #0x4\n"
"\tpush {fp, lr}\n"
"\tadd fp, sp, #0x4\n"
"\tpush {fp, lr}\n"
"\tadd fp, sp, #0x4\n"
"\tbl OsTaskEntry\n"
"\tpop {fp, lr}\n"
"\tpop {fp, pc}\n");
}
#endif
LITE_OS_SEC_TEXT_INIT VOID *OsTaskStackInit(UINT32 taskID, UINT32 stackSize, VOID *topStack, BOOL initFlag)
{
if (initFlag == TRUE) {
OsStackInit(topStack, stackSize);
}
TaskContext *taskContext = (TaskContext *)(((UINTPTR)topStack + stackSize) - sizeof(TaskContext));
/* initialize the task context */
#ifdef LOSCFG_GDB
taskContext->PC = (UINTPTR)OsTaskEntrySetupLoopFrame;
#else
taskContext->PC = (UINTPTR)OsTaskEntry;
#endif
taskContext->LR = (UINTPTR)OsTaskExit; /* LR should be kept, to distinguish it's THUMB or ARM instruction */
taskContext->R0 = taskID; /* R0 */
#ifdef LOSCFG_THUMB
taskContext->regCPSR = PSR_MODE_SVC_THUMB; /* CPSR (Enable IRQ and FIQ interrupts, THUMNB-mode) */
#else
taskContext->regCPSR = PSR_MODE_SVC_ARM; /* CPSR (Enable IRQ and FIQ interrupts, ARM-mode) */
#endif
#if !defined(LOSCFG_ARCH_FPU_DISABLE)
/* 0xAAA0000000000000LL : float reg initialed magic word */
for (UINT32 index = 0; index < FP_REGS_NUM; index++) {
taskContext->D[index] = 0xAAA0000000000000LL + index; /* D0 - D31 */
}
taskContext->regFPSCR = 0;
taskContext->regFPEXC = FP_EN;
#endif
return (VOID *)taskContext;
}
LITE_OS_SEC_TEXT VOID OsUserCloneParentStack(VOID *childStack, UINTPTR parentTopOfStack, UINT32 parentStackSize)
{
LosTaskCB *task = OsCurrTaskGet();
sig_cb *sigcb = &task->sig;
VOID *cloneStack = NULL;
if (sigcb->sigContext != NULL) {
cloneStack = (VOID *)((UINTPTR)sigcb->sigContext - sizeof(TaskContext));
} else {
cloneStack = (VOID *)(((UINTPTR)parentTopOfStack + parentStackSize) - sizeof(TaskContext));
}
(VOID)memcpy_s(childStack, sizeof(TaskContext), cloneStack, sizeof(TaskContext));
((TaskContext *)childStack)->R0 = 0;
}
LITE_OS_SEC_TEXT_INIT VOID OsUserTaskStackInit(TaskContext *context, UINTPTR taskEntry, UINTPTR stack)
{
LOS_ASSERT(context != NULL);
#ifdef LOSCFG_THUMB
context->regCPSR = PSR_MODE_USR_THUMB;
#else
context->regCPSR = PSR_MODE_USR_ARM;
#endif
context->R0 = stack;
context->USP = TRUNCATE(stack, LOSCFG_STACK_POINT_ALIGN_SIZE);
context->ULR = 0;
context->PC = (UINTPTR)taskEntry;
}
VOID OsInitSignalContext(const VOID *sp, VOID *signalContext, UINTPTR sigHandler, UINT32 signo, UINT32 param)
{
IrqContext *newSp = (IrqContext *)signalContext;
(VOID)memcpy_s(signalContext, sizeof(IrqContext), sp, sizeof(IrqContext));
newSp->PC = sigHandler;
newSp->R0 = signo;
newSp->R1 = param;
}
DEPRECATED VOID Dmb(VOID)
{
__asm__ __volatile__ ("dmb" : : : "memory");
}
DEPRECATED VOID Dsb(VOID)
{
__asm__ __volatile__("dsb" : : : "memory");
}
DEPRECATED VOID Isb(VOID)
{
__asm__ __volatile__("isb" : : : "memory");
}
VOID FlushICache(VOID)
{
/*
* Use ICIALLUIS instead of ICIALLU. ICIALLUIS operates on all processors in the Inner
* shareable domain of the processor that performs the operation.
*/
__asm__ __volatile__ ("mcr p15, 0, %0, c7, c1, 0" : : "r" (0) : "memory");
}
VOID DCacheFlushRange(UINT32 start, UINT32 end)
{
arm_clean_cache_range(start, end);
}
VOID DCacheInvRange(UINT32 start, UINT32 end)
{
arm_inv_cache_range(start, end);
}

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