A poorly written OS for the x86 arch. (WIP)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
eOS/Makefile

40 lines
854 B

C_SOURCES = $(wildcard kernel/*.c drivers/*.c lib/*.c)
HEADERS = $(wildcard kernel/*.h drivers/*.h lib/*.h)
OBJ = $(C_SOURCES:.c=.o)
all: eos.iso
run: all
qemu-system-x86_64 eos.iso
drun: clean run
grub: eos_grub.iso
qemu-system-x86_64 eos_grub.iso
eos_grub.iso : kernel.bin grub/grub.cfg
mkdir -p boot/grub
cp $< boot/eOS.bin
cp grub/grub.cfg boot/grub/grub.cfg
grub-mkrescue -o eos_grub.iso ./
eos.iso: bootloader/bootloader.bin kernel.bin
cat $^ > eos.iso
kernel.bin: kernel/kernel_entry.o $(OBJ)
gcc -o $@ $^ -Wl,--oformat=binary -ffreestanding -nostdlib -shared -Ttext 0x1000 -m32
%.o : %.c ${HEADERS}
gcc -fno-pie -m32 -Os -ffreestanding -c $< -o $@
%.o : %.asm
nasm $< -f elf -o $@
%.bin : %.asm
nasm $< -f bin -o $@
clean:
rm -fr *.bin *.dis *.o eos.iso *.map boot/ *.iso
rm -fr kernel/*.o bootloader/*.bin drivers/*.o