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@ -1,4 +1,6 @@ |
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C_SOURCES = $(wildcard kernel/*.c drivers/*.c)
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HEADERS = $(wildcard kernel/*.h drivers/*.h)
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OBJ = $(C_SOURCES:.c=.o)
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all: os-image |
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@ -19,20 +21,18 @@ eOS.iso : kernel.bin grub/grub.cfg |
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os-image: bootloader.bin kernel.bin |
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cat $^ > os-image
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kernel.bin: kernel_entry.o kernel.o |
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gcc -o kernel.bin $^ -Wl,--oformat=binary -ffreestanding -nostdlib -shared -Ttext 0x1000 -m32
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kernel.bin: kernel_entry.o $(OBJ) |
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gcc -o $@ $^ -Wl,--oformat=binary -ffreestanding -nostdlib -shared -Ttext 0x1000 -m32
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kernel.o : kernel/kernel.c |
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%.o : %.c |
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gcc -fno-pie -m32 -Os -ffreestanding -c $< -o $@
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kernel_entry.o : kernel/kernel_entry.asm |
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%.o : %.asm |
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nasm $< -f elf -o $@
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bootloader.bin : bootloader/bootloader.asm |
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%.bin : %.asm |
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nasm $< -f bin -o $@
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clean: |
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rm -fr *.bin *.dis *.o os-image *.map boot/ *.iso
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kernel.dis : kernel.bin |
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ndisasm -b 32 $< > $@
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rm -fr kernel/*.o boot/*.bin drivers/*.o
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