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# Examples:
# make run Run in debug
# make justrun Run in debug without build
# make run int=1 Run with interrupt info by QEMU
# make run mode=release Run in release
# make run LOG=error Run with log level: error
# LOG = off | error | warn | info | debug | trace
# make doc Generate docs
# make asm Open the deassemble file of the last build
# make clean Clean
arch ?= riscv32
kernel := build/kernel-$(arch).bin
iso := build/os-$(arch).iso
target ?= $(arch)-blog_os
mode ?= debug
rust_lib := target/$(target)/$(mode)/librust_ucore.a
boot_src := src/arch/$(arch)/boot
linker_script := $(boot_src)/linker.ld
grub_cfg := $(boot_src)/grub.cfg
assembly_source_files := $(wildcard $(boot_src)/*.asm)
assembly_object_files := $(patsubst $(boot_src)/%.asm, \
build/arch/$(arch)/boot/%.o, $(assembly_source_files))
user_image_files := $(wildcard ../user/*.img)
user_object_files := $(patsubst ../user/%.img, build/user/%.o, $(user_image_files))
SFSIMG := ../user/ucore32.img
qemu_opts := -cdrom $(iso) -smp 4 -serial mon:stdio -drive file=$(SFSIMG),media=disk,cache=writeback
ifeq ($(arch), riscv32)
qemu_opts := -machine virt -kernel $(iso) -nographic
endif
features := use_apic
LOG ?= debug
ifdef link_user
features := $(features) link_user_program
assembly_object_files := $(assembly_object_files) $(user_object_files)
endif
ifdef travis
test := 1
features := $(features) qemu_auto_exit
endif
ifdef test
features := $(features) test
# enable shutdown inside the qemu
qemu_opts := $(qemu_opts) -device isa-debug-exit
endif
ifdef int
qemu_opts := $(qemu_opts) -d int
endif
build_args := --target $(target) --features "$(features)"
ifeq ($(mode), release)
build_args := $(build_args) --release
endif
ifeq ($(OS),Windows_NT)
uname := Win32
else
uname := $(shell uname)
endif
ifeq ($(uname), Darwin)
prefix := x86_64-elf-
endif
ifeq ($(arch), riscv32)
prefix := riscv32-unknown-elf-
endif
ld := $(prefix)ld
objdump := $(prefix)objdump
cc := $(prefix)gcc
as := $(prefix)as
.PHONY: all clean run iso build asm doc justrun kernel
all: $(kernel)
clean:
@rm -r build target
doc:
@cargo rustdoc -- --document-private-items
run: $(iso) justrun
justrun:
@qemu-system-$(arch) $(qemu_opts) || [ $$? -eq 11 ] # run qemu and assert it exit 11
debug: $(iso)
@qemu-system-$(arch) $(qemu_opts) -s -S &
iso: $(iso)
build: iso
asm:
@$(objdump) -dS $(kernel) | less
build/os-x86_64.iso: $(kernel) $(grub_cfg)
@mkdir -p build/isofiles/boot/grub
@cp $(kernel) build/isofiles/boot/kernel.bin
@cp $(grub_cfg) build/isofiles/boot/grub
@grub-mkrescue -o $(iso) build/isofiles 2> /dev/null
@rm -r build/isofiles
build/os-riscv32.iso: $(kernel)
@cd ../riscv-pk && \
mkdir -p build && \
cd build && \
../configure \
--enable-logo \
--prefix=$(RISCV) \
--disable-fp-emulation \
--host=riscv32-unknown-elf \
--with-payload=../../kernel/build/kernel-riscv32.bin && \
make && \
cp bbl ../../kernel/$@
$(kernel): kernel $(assembly_object_files) $(linker_script)
@$(ld) -n --gc-sections -T $(linker_script) -o $(kernel) \
$(assembly_object_files) $(rust_lib)
kernel:
@RUST_TARGET_PATH=$(shell pwd) CC=$(cc) xargo build $(build_args)
# compile assembly files
build/arch/x86_64/boot/%.o: $(boot_src)/%.asm
@mkdir -p $(shell dirname $@)
@nasm -felf64 $< -o $@
build/arch/riscv32/boot/%.o: $(boot_src)/%.asm
@mkdir -p $(shell dirname $@)
@$(as) -march=rv32i $< -o $@
# make .o from .img file
build/user/%.o: ../user/%.img
@mkdir -p $(shell dirname $@)
@$(ld) -r -b binary $< -o $@
# patch Rust core for RISCV32I atomic
patch-core:
@patch -p0 /rust/rust-riscv-rust-1.26.0-1-dev/src/libcore/sync/atomic.rs src/arch/riscv32/atomic.patch
# used by docker_* targets
docker_image ?= blog_os
tag ?= 0.1
pwd ?= $(realpath ./)
ifeq ($(OS),Windows_NT)
uid ?= 0
gid ?= 0
innerpwd ?= /root/blog_os
else
uid ?= $(shell id -u)
gid ?= $(shell id -g)
innerpwd ?= $(pwd)
endif
docker_cargo_volume ?= blogos-$(uid)-$(gid)-cargo
docker_rustup_volume ?= blogos-$(uid)-$(gid)-rustup
docker_args ?= -e LOCAL_UID=$(uid) -e LOCAL_GID=$(gid) -v $(docker_cargo_volume):/usr/local/cargo -v $(docker_rustup_volume):/usr/local/rustup -v $(pwd):$(innerpwd) -w $(innerpwd)
docker_clean_args ?= $(docker_cargo_volume) $(docker_rustup_volume)
# docker_* targets
docker_build:
@docker build docker/ -t $(docker_image):$(tag)
docker_iso:
@docker run --rm $(docker_args) $(docker_image):$(tag) make iso
docker_run: docker_iso
@qemu-system-$(arch) -cdrom $(iso) -s
docker_interactive:
@docker run -it --rm $(docker_args) $(docker_image):$(tag)
docker_clean:
@docker volume rm $(docker_clean_args)
docker_riscv:
@docker run -it --rm $(docker_args) wangrunji0408/riscv-rust