1include config.mak 2SRC_DIR := $(TOPSRC_DIR)/pc-bios/optionrom 3VPATH = $(SRC_DIR) 4 5all: multiboot.bin multiboot_dma.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin pvh.bin 6# Dummy command so that make thinks it has done something 7 @true 8 9CFLAGS = -O2 -g 10 11quiet-command = $(if $(V),$1,$(if $(2),@printf " %-7s %s\n" $2 $3 && $1, @$1)) 12cc-option = $(if $(shell $(CC) $1 -c -o /dev/null -xc /dev/null >/dev/null 2>&1 && echo OK), $1, $2) 13 14override CFLAGS += -march=i486 -Wall $(EXTRA_CFLAGS) -m16 15 16# If -fcf-protection is enabled in flags or compiler defaults that will 17# conflict with -march=i486 18override CFLAGS += $(call cc-option, -fcf-protection=none) 19 20# Flags for dependency generation 21override CPPFLAGS += -MMD -MP -MT $@ -MF $(@D)/$(*F).d 22 23override CFLAGS += $(filter -W%, $(QEMU_CFLAGS)) 24override CFLAGS += $(call cc-option, -fno-pie) 25override CFLAGS += -ffreestanding -I$(TOPSRC_DIR)/include 26override CFLAGS += $(call cc-option, -fno-stack-protector) 27override CFLAGS += $(call cc-option, -Wno-array-bounds) 28 29Wa = -Wa, 30override ASFLAGS += -32 31override CFLAGS += $(call cc-option, $(Wa)-32) 32 33override LDFLAGS = -m $(LD_I386_EMULATION) -T $(SRC_DIR)/flat.lds 34 35pvh.img: pvh.o pvh_main.o 36 37%.o: %.S 38 $(call quiet-command,$(CC) $(CPPFLAGS) -E -o - $< | $(AS) $(ASFLAGS) -o $@,"AS","$@") 39 40%.o: %.c 41 $(call quiet-command,$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@,"CC","$@") 42 43%.img: %.o 44 $(call quiet-command,$(LD) $(LDFLAGS) -s -o $@ $^,"BUILD","$@") 45 46%.raw: %.img 47 $(call quiet-command,$(OBJCOPY) -O binary -j .text $< $@,"BUILD","$@") 48 49%.bin: %.raw 50 $(call quiet-command,$(PYTHON) $(TOPSRC_DIR)/scripts/signrom.py $< $@,"SIGN","$@") 51 52include $(wildcard *.d) 53 54clean: 55 rm -f *.o *.d *.raw *.img *.bin *~ 56 57# suppress auto-removal of intermediate files 58.SECONDARY: 59 60.PHONY: all clean 61