blob: fa4337121c7cb34451dc3f6e41b3181b1908f9a4 (
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obj16-y = e820.o int10.o int15.o
obj-y = $(obj16-y) entry.o main.o string.o printf.o cstart.o fw_cfg.o
all-y = bios.bin
CFLAGS := -O2 -Wall -g
BIOS_CFLAGS += -m32
BIOS_CFLAGS += -march=i386
BIOS_CFLAGS += -mregparm=3
BIOS_CFLAGS += -fno-stack-protector -fno-delete-null-pointer-checks
BIOS_CFLAGS += -ffreestanding
BIOS_CFLAGS += -Iinclude
$(obj16-y): BIOS_CFLAGS += -include code16gcc.h
all: $(all-y)
.PRECIOUS: %.o
%.o: %.c
$(CC) $(CFLAGS) $(BIOS_CFLAGS) -c -s $< -o $@
%.o: %.S
$(CC) $(CFLAGS) $(BIOS_CFLAGS) -c -s $< -o $@
bios.bin.elf: $(obj-y) flat.lds
$(LD) -T flat.lds -o bios.bin.elf $(obj-y)
bios.bin: bios.bin.elf
objcopy -O binary bios.bin.elf bios.bin
clean:
rm -f $(obj-y) $(all-y) bios.bin.elf
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