112 lines
3.3 KiB
Makefile
112 lines
3.3 KiB
Makefile
CC := gcc
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LD := ld
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CFLAGS := -std=gnu11 -ffreestanding -nostdlib \
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-fno-stack-protector -fno-pic -fno-pie \
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-fno-asynchronous-unwind-tables \
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-mno-red-zone -mno-mmx -mno-sse -mno-sse2 \
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-mcmodel=kernel \
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-Wall -Wextra -Iinclude -g -c
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ASFLAGS := -ffreestanding -Iinclude -g -c
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LDFLAGS := -nostdlib -z max-page-size=0x1000 --no-warn-rwx-segments -T linker.ld
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UCFLAGS := -std=gnu11 -ffreestanding -nostdlib \
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-fno-stack-protector -fno-pic -fno-pie \
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-fno-asynchronous-unwind-tables \
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-mno-red-zone -mno-mmx -mno-sse -mno-sse2 \
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-Wall -Wextra -Iinclude -Iuser -g -c
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UASFLAGS := -ffreestanding -Iinclude -Iuser -g -c
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ULDFLAGS := -z max-page-size=0x1000 --no-warn-rwx-segments -e _start -T user/user.ld
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BUILD := build
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SRC := src
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USER := user
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UBUILD := $(BUILD)/user
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COBJS := $(patsubst $(SRC)/%.c,$(BUILD)/%.o,$(wildcard $(SRC)/*.c))
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SOBJS := $(patsubst $(SRC)/%.S,$(BUILD)/%.o,$(wildcard $(SRC)/*.S))
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OBJS := $(SOBJS) $(COBJS)
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USERCOMMON := $(UBUILD)/crt.o $(UBUILD)/ulib.o
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USERPROGRAMS := $(UBUILD)/hello.elf $(UBUILD)/counter.elf \
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$(UBUILD)/sbrktest.elf $(UBUILD)/fileread.elf
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FSFILES := fsroot/etc/motd.txt fsroot/etc/readme.txt fsroot/home/notes.txt
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KERNEL := $(BUILD)/frostbyte.elf
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INITRD := $(BUILD)/initrd.img
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MKTAR := $(BUILD)/mktar
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ISO := os.iso
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.PHONY: all clean run runserial test
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all: $(ISO)
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$(BUILD):
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@mkdir -p $(BUILD)
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$(UBUILD):
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@mkdir -p $(UBUILD)
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$(BUILD)/%.o: $(SRC)/%.c | $(BUILD)
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$(CC) $(CFLAGS) $< -o $@
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$(BUILD)/%.o: $(SRC)/%.S | $(BUILD)
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$(CC) $(ASFLAGS) $< -o $@
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$(KERNEL): $(OBJS) linker.ld
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$(LD) $(LDFLAGS) -o $@ $(OBJS)
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$(UBUILD)/%.o: $(USER)/%.c | $(UBUILD)
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$(CC) $(UCFLAGS) $< -o $@
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$(UBUILD)/%.o: $(USER)/%.S | $(UBUILD)
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$(CC) $(UASFLAGS) $< -o $@
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$(UBUILD)/hello.elf: $(UBUILD)/hello.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x40000000 -o $@ $(UBUILD)/hello.o $(USERCOMMON)
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$(UBUILD)/counter.elf: $(UBUILD)/counter.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x50000000 -o $@ $(UBUILD)/counter.o $(USERCOMMON)
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$(UBUILD)/sbrktest.elf: $(UBUILD)/sbrktest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x60000000 -o $@ $(UBUILD)/sbrktest.o $(USERCOMMON)
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$(UBUILD)/fileread.elf: $(UBUILD)/fileread.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x70000000 -o $@ $(UBUILD)/fileread.o $(USERCOMMON)
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$(MKTAR): tools/mktar.c | $(BUILD)
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gcc -O2 -Wall -Wextra -o $@ $<
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$(INITRD): $(MKTAR) $(USERPROGRAMS) $(FSFILES)
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$(MKTAR) $@ \
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--dir bin --dir etc --dir home \
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--file bin/hello $(UBUILD)/hello.elf \
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--file bin/counter $(UBUILD)/counter.elf \
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--file bin/sbrktest $(UBUILD)/sbrktest.elf \
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--file bin/fileread $(UBUILD)/fileread.elf \
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--file etc/motd.txt fsroot/etc/motd.txt \
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--file etc/readme.txt fsroot/etc/readme.txt \
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--file home/notes.txt fsroot/home/notes.txt
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$(ISO): $(KERNEL) $(INITRD) iso/boot/grub/grub.cfg
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@cp $(KERNEL) iso/boot/frostbyte.elf
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@cp $(INITRD) iso/boot/initrd.img
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grub-mkrescue -o $(ISO) iso 2>/dev/null
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run: $(ISO)
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qemu-system-x86_64 -cdrom $(ISO) -serial stdio -m 128M
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runserial: $(ISO)
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qemu-system-x86_64 -cdrom $(ISO) -serial stdio -display none -m 128M -no-reboot
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test: $(ISO)
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sh tools/ci-test.sh
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clean:
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rm -rf $(BUILD) $(ISO) iso/boot/frostbyte.elf iso/boot/initrd.img
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