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obj-y = code16.o entry.o main.o string.o printf.o cstart.o fw_cfg.o
obj-y += linuxboot.o malloc.o pflash.o cbfs.o tables.o
all-y = bios.bin
all: $(all-y)
CFLAGS := -O2 -g
BIOS_CFLAGS += $(autodepend-flags) -Wall
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
dummy := $(shell mkdir -p .deps)
autodepend-flags = -MMD -MF .deps/cc-$(patsubst %/,%,$(dir $*))-$(notdir $*).d
-include .deps/*.d
.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
rm -rf .deps
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