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94 lines
2.5 KiB
94 lines
2.5 KiB
arch ?= x86_64
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kernel := build/kernel-$(arch).bin
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iso := build/os-$(arch).iso
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target ?= $(arch)-blog_os
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rust_os := target/$(target)/debug/libblog_os.a
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boot_src := src/arch/$(arch)/boot
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linker_script := $(boot_src)/linker.ld
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grub_cfg := $(boot_src)/grub.cfg
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assembly_source_files := $(wildcard $(boot_src)/*.asm)
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assembly_object_files := $(patsubst $(boot_src)/%.asm, \
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build/arch/$(arch)/boot/%.o, $(assembly_source_files))
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qemu_opts := -cdrom $(iso) -smp 2 -serial stdio
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ifdef travis
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test := 1
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features := $(features) qemu_auto_exit
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endif
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ifdef test
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features := $(features) test
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# enable shutdown inside the qemu
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qemu_opts := $(qemu_opts) -device isa-debug-exit
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endif
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ifeq ($(shell uname), Linux)
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prefix :=
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else
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prefix := x86_64-elf-
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endif
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ld := $(prefix)ld
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objdump := $(prefix)objdump
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.PHONY: all clean run iso kernel build debug_asm
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all: $(kernel)
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clean:
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@rm -r build target
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run: $(iso)
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@qemu-system-$(arch) $(qemu_opts) || [ $$? -eq 11 ] # run qemu and assert it exit 11
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iso: $(iso)
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build: iso
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debug_asm:
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@$(objdump) -dS $(kernel) | less
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$(iso): $(kernel) $(grub_cfg)
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@mkdir -p build/isofiles/boot/grub
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@cp $(kernel) build/isofiles/boot/kernel.bin
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@cp $(grub_cfg) build/isofiles/boot/grub
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@grub-mkrescue -o $(iso) build/isofiles 2> /dev/null
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@rm -r build/isofiles
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$(kernel): kernel $(rust_os) $(assembly_object_files) $(linker_script)
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@$(ld) -n --gc-sections -T $(linker_script) -o $(kernel) \
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$(assembly_object_files) $(rust_os)
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kernel:
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@RUST_TARGET_PATH=$(shell pwd) xargo build --target $(target) --features "$(features)"
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# compile assembly files
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build/arch/$(arch)/boot/%.o: $(boot_src)/%.asm
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@mkdir -p $(shell dirname $@)
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@nasm -felf64 $< -o $@
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# used by docker_* targets
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docker_image ?= blog_os
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tag ?= 0.1
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docker_cargo_volume ?= blogos-$(shell id -u)-$(shell id -g)-cargo
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docker_rustup_volume ?= blogos-$(shell id -u)-$(shell id -g)-rustup
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docker_args ?= -e LOCAL_UID=$(shell id -u) -e LOCAL_GID=$(shell id -g) -v $(docker_cargo_volume):/usr/local/cargo -v $(docker_rustup_volume):/usr/local/rustup -v $(shell pwd):$(shell pwd) -w $(shell pwd)
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docker_clean_args ?= $(docker_cargo_volume) $(docker_rustup_volume)
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# docker_* targets
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docker_build:
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@docker build docker/ -t $(docker_image):$(tag)
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docker_iso:
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@docker run --rm $(docker_args) $(docker_image):$(tag) make iso
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docker_run: docker_iso
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@qemu-system-$(arch) -cdrom $(iso) -s
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docker_interactive:
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@docker run -it --rm $(docker_args) $(docker_image):$(tag)
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docker_clean:
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@docker volume rm $(docker_clean_args)
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