mirror of
https://git.stationery.faith/corn/corn.git
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65 lines
1.5 KiB
Makefile
65 lines
1.5 KiB
Makefile
KERNEL=kernel.bin
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ISO=os_image.iso
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ARCH=amd64
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CC=cc
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LD=ld
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AS=nasm
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CFLAGS += -std=c2x -ffreestanding -lgcc -isystem include
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CFLAGS += -Wall -Wextra -pedantic
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CFLAGS += -O3 -pipe -g -fno-stack-protector
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CFLAGS += -DPAGE_SIZE=4096
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LDFLAGS += -nmagic --no-warn-rwx-segments -nostdlib
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H_SRC = $(shell find src include -type f -name "*.h")
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C_SRC = $(shell find src -type f -name "*.c")
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C_OBJ = $(patsubst %.c,build/%.o,$(C_SRC))
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A_SRC = $(shell find src -type f -name "*.S" -not -path "src/arch/*")
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A_SRC += $(shell find src/arch/$(ARCH) -type f -name "*.S")
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A_OBJ = $(patsubst %.S,build/%.S.o,$(A_SRC))
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.PHONY: all clean
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all: build/$(ISO)
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build: build/$(ISO)
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clean:
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@printf "\033[31m RM \033[0m%s\n" build
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@rm -rf build/*
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$(A_OBJ): build/%.S.o : %.S
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@mkdir -p $(@D)
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@printf "\033[33m AS \033[0m%s\n" $<
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@nasm $< -f elf64 -o $@
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$(C_OBJ): build/%.o : %.c
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@mkdir -p $(@D)
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@printf "\033[34m CC \033[0m%s\n" $<
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@$(CC) -c $(CFLAGS) -o $@ $<
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build/$(KERNEL): arch/$(ARCH)/linker.ld $(A_OBJ) $(C_OBJ) $(H_SRC)
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@mkdir -p $(@D)
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@printf "\033[32m LD \033[0m%s\n" $@
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@$(LD) $(LDFLAGS) -T arch/$(ARCH)/linker.ld -o build/$(KERNEL) $(A_OBJ) $(C_OBJ)
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build/$(ISO): build/$(KERNEL) grub.cfg
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@mkdir -p $(@D)
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@mkdir -p build/iso/boot/grub
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@cp grub.cfg build/iso/boot/grub
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@cp build/$(KERNEL) build/iso/boot
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@printf "\033[35m ISO \033[0m%s\n" build/$(ISO)
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@grub-mkrescue -o build/$(ISO) build/iso 2> /dev/null
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run: all
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@qemu-system-x86_64 \
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-cdrom build/$(ISO) \
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-serial stdio \
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-display sdl \
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-m 1G \
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-enable-kvm \
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-name corn
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