From e248053a2c2db03d9dd5a895f5f2175e27464000 Mon Sep 17 00:00:00 2001 From: pqk2c5h8v <3232796758@qq.com> Date: Sat, 2 Dec 2023 22:30:25 +0800 Subject: [PATCH] ADD file via upload --- run.md | 308 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 308 insertions(+) create mode 100644 run.md diff --git a/run.md b/run.md new file mode 100644 index 0000000..58bba27 --- /dev/null +++ b/run.md @@ -0,0 +1,308 @@ +# LiteOS + +# 一、环境安装 + +### 1. 安装docker环境 + +[docker加载镜像下载] + +链接: https://pan.baidu.com/s/1GVossI98riHL2xEzo7HmMQ?pwd=we75 提取码: we75 + +```console +$ cd docker_package +$ sudo dpkg -i containerd.io_1.5.11-1_amd64.deb +$ sudo dpkg -i docker-ce-cli_20.10.14_3-0_ubuntu-focal_amd64.deb +$ sudo dpkg -i docker-ce_20.10.14_3-0_ubuntu-focal_amd64.deb +``` + +docker加载liteos-env镜像 + +```console +$ cd docker_images +$ sudo docker load -i openharmony-v31.tar +``` + +### 2. 下载源代码 + +[LiteOS v3.1](https://gitee.com/link?target=https%3A%2F%2Frepo.huaweicloud.com%2Fharmonyos%2Fos%2F3.1-Release%2Fcode-v3.1-Release.tar.gz) + +### 3. 将用户添加到docker用户组 + +```console +$ sudo groupadd docker +$ sudo gpasswd -a $USER docker +$ newgrp docker +$ ./run_docker.sh +``` + +### 4.编译liteos-a内核和应用 + +编译 hb set 使用上下方向键盘选择"qemu_small_system_demo" +hb build编译 + +```console +root@62deba27a240:/home/openharmony# hb set +root@62deba27a240:/home/openharmony# hb build -f +``` + +运行 + +```console +root@62deba27a240:/home/openharmony# ./qemu-run -f +``` + +等待内核在qemu下加载完成，回车，进入OHOS shell +如果无法进入，请检查out目录下是否存在smallmmc.img，不存在请复制smallmmc.img到out目录下 +并重新编译执行 + + +```console +root@62deba27a240:/home/openharmony# ./qemu-run -f +Redo making flash.img... + +Start making flash.img... +1+0 records in +1+0 records out +67108864 bytes (67 MB, 64 MiB) copied, 0.498911 s, 135 MB/s +2191+1 records in +2191+1 records out +1122100 bytes (1.1 MB, 1.1 MiB) copied, 0.0123126 s, 91.1 MB/s +0+1 records in +0+1 records out +89 bytes copied, 0.000333672 s, 267 kB/s +9818+1 records in +9818+1 records out +5027048 bytes (5.0 MB, 4.8 MiB) copied, 0.0291576 s, 172 MB/s +63+1 records in +63+1 records out +32492 bytes (32 kB, 32 KiB) copied, 0.000204982 s, 159 MB/s +Success making flash.img... + +Enter to start qemu[y/n]:Waiting VNC connection on: 5920 ...(Ctrl-C exit) + +******************Welcome****************** + +Processor : Cortex-A7 +Run Mode : UP +GIC Rev : GICv2 +build time : Nov 15 2022 11:40:20 +Kernel : Huawei LiteOS 2.0.0.37/debug + +******************************************* + +main core booting up... +cpu 0 entering scheduler +mem dev init ... +DevMmzRegister... +Date:Nov 15 2022. +Time:11:40:19. +net init ... +[ERR]virtio-mmio ID=1 device not found +[ERR]add virtio-mmio net device failed + +************************************************************ +DeviceManagerStart start ... +[CfiFlashInit]CFI flash init start ... +[CfiFlashInit]CFI flash init end ... +[CfiFlashInit]CFI flash init start ... +DeviceManagerStart end ... +OsMountRootfs start ... +OsMountRootfs end ... +virtual_serial_init start ... +virtual_serial_init end ... +system_console_init start ... +system_console_init end ... +OsUserInitProcess start ... +OsUserInitProcess end ... +[ERR]Failed to find block driver /dev/mmcblk0 +[ERR]Failed to find block driver /dev/mmcblk1 +hilog ringbuffer full, drop 19 line(s) log +hilog ringbuffer full, drop 7 line(s) log +hilog ringbuffer full, drop 2 line(s) log +Set log level : 3 +Default log level: 3 +[ERR]Unsupported API tcgetpgrp +01-01 00:00:00.081 2 4 D 02500/devmgr_service: DevmgrServiceUpdateStatus host:storage_host 2 device:HDF_PLATFORM_CFI_0 0 status:1 +............... +01-01 00:00:26.001 7 29 I 01800/Samgr: Goto next boot step return code:-9 +01-01 00:00:26.002 7 14 I 00000/(null): [appspawn] HOS_SystemInit is called! +01-01 00:00:26.003 7 14 I 00000/(null): [appspawn] main, entering wait. +``` + +回车之后进入OHOS shell + +```console +OHOS:/$ cd bin +OHOS:/bin$ +``` + +测试结束 + +Ctrl-A + x 退出Qemu模拟环境 + + + +# 二、命令行调试liteOS + +### 1、安装`gdb-multiarch`工具包(docker 容器中安装)： + +```shell +$ apt install gdb-multiarch +``` + +### 2、修改`debug.config`文件 + +```shell +$ cd ./vendor/ohemu/qemu_small_system_demo/kernel_configs +$ vim debug.config +``` + +将 `LOSCFG_CC_STACKPROTECTOR_ALL=y` 修改为: + +```shell +# LOSCFG_CC_STACKPROTECTOR_ALL is not set +LOSCFG_COMPILE_DEBUG=y +``` + +### 3、重新编译项目 + +保存并退出，在OHOS根目录重新编译: + +```shell +$ hb build -f +``` + +### 4、debug LiteOS + +在一个窗口中输入命令： + +```shell +$ ./qemu-run -g +``` + +在另一个窗口中输入命令： + +```shell +$ docker exec -it ohos /bin/bash +$ gdb-multiarch out/arm_virt/qemu_small_system_demo/OHOS_Image +(gdb) target remote localhost:1234 +(gdb) b main +Breakpoint 1 at 0x4005110c: file ../../../kernel/liteos_a/kernel/common/main.c, line 36. +(gdb) c +Continuing. + +Breakpoint 1, main () at ../../../kernel/liteos_a/kernel/common/main.c:36 +36 { +(gdb) l +31 +32 #include "los_config.h" +33 #include "los_sched_pri.h" +34 +35 LITE_OS_SEC_TEXT_INIT INT32 main(VOID) +36 { +37 UINT32 ret = OsMain(); +38 if (ret != LOS_OK) { +39 return (INT32)LOS_NOK; +40 } +(gdb) q +``` + +* gdb 调试常用代码 + + 1、 b (break) :设置断点 + + 2、 r (run): 运行程序 + + 3、 bt (backtrace): 显示程序栈 + + 4、 Print : 打印变量 + + 5、 c (continue): 继续运行程序，直到下一个断点停止 + + 6、 n (next) : 单步运行程序，不进入函数 + + 7、 l (list) : 查看当前代码（显示当前后10行） + + 8、 edit (+function): 查看函数代码 + + 9、 S (step) : 进入函数执行代码 + + 10、 Q(Quit)：退出gdb + + 11、 Info b : 查看断点信息 + + + +# 三、VSCode调试liteOS + +### 1、安装VScode + +```shel +$ sudo apt install code +``` + +### 2、安装VScode 插件 + +![截图 2023-06-02 13-03-44](fig/截图 2023-06-02 13-03-44.png) + +### 3、连接docker + +选择CONTAINERS目录下openharmony:v3.1...，右键选择附加VScode + +![截图 2023-06-02 13-07-32](fig/截图 2023-06-02 13-07-32.png) + +### 4、给docker安装VScode插件 + +* 注意插件一定要安装在docker容器中 + +![截图 2023-06-02 13-14-19](fig/截图 2023-06-02 13-14-19.png) + +### 5、配置launch.json文件 + +```json +{ + "version": "0.2.0", + "configurations": [ + { + "name": "debug liteOS", + "type": "cppdbg", + "request": "launch", + "program": "${workspaceFolder}/out/arm_virt/qemu_small_system_demo/OHOS_Image", + "args": [], + "stopAtEntry": true, + "cwd": "${workspaceFolder}", + "miDebuggerServerAddress": "localhost:1234", + "miDebuggerPath": "/usr/bin/gdb-multiarch", + "environment": [], + "externalConsole": false, + "MIMode": "gdb", + "setupCommands": [ + { + "description": "pretty printing", + "text": "-enable-pretty-printing", + "ignoreFailures": true + } + ], + "logging": { + "engineLogging": true, + "programOutput": true, + }, + } + ] +} +``` + +### 6、新建终端 + +运行 + +```shell +./qemu-run -g +``` + +### 7、vscode debug + +点击debug + + +