projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 253d0942 | 1 | all: build-all |
| c05ac895 PB |
2 | # Dummy command so that make thinks it has done something |
| 3 | @true | |
| 253d0942 AG |
4 | |
| 5 | include ../../config-host.mak | |
| 925ce05f | 6 | include $(SRC_PATH)/rules.mak |
| 253d0942 | 7 | |
| 076d2471 PB |
8 | $(call set-vpath, $(SRC_PATH)/pc-bios/optionrom) |
| 9 | ||
| 4888ec26 | 10 | .PHONY : all clean build-all |
| 253d0942 | 11 | |
| 9d4cd7b4 | 12 | # Compiling with no optimization creates ROMs that are too large |
| 336d5881 | 13 | ifeq ($(lastword $(filter -O%, -O0 $(CFLAGS))),-O0) |
| 9d4cd7b4 PB |
14 | override CFLAGS += -O2 |
| 15 | endif | |
| 7e018385 | 16 | override CFLAGS += -march=i486 |
| 9d4cd7b4 | 17 | |
| b2a575a1 MM |
18 | # Drop -fstack-protector and the like |
| 19 | QEMU_CFLAGS := $(filter -W%, $(QEMU_CFLAGS)) $(CFLAGS_NOPIE) -ffreestanding | |
| b0e8f5ca | 20 | QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-stack-protector) |
| b2a575a1 MM |
21 | QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -m16) |
| 22 | ifeq ($(filter -m16, $(QEMU_CFLAGS)),) | |
| 23 | # Attempt to work around compilers that lack -m16 (GCC <= 4.8, clang <= ??) | |
| 24 | # On GCC we add -fno-toplevel-reorder to keep the order of asm blocks with | |
| 25 | # respect to the rest of the code. clang does not have -fno-toplevel-reorder, | |
| 26 | # but it places all asm blocks at the beginning and we're relying on it for | |
| 27 | # the option ROM header. So just force clang not to use the integrated | |
| 28 | # assembler, which doesn't support .code16gcc. | |
| 29 | QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-toplevel-reorder) | |
| 30 | QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -no-integrated-as) | |
| 31 | QEMU_CFLAGS += -m32 -include $(SRC_PATH)/pc-bios/optionrom/code16gcc.h | |
| 32 | endif | |
| 33 | ||
| b2a575a1 MM |
34 | QEMU_INCLUDES += -I$(SRC_PATH) |
| 35 | ||
| 36 | Wa = -Wa, | |
| 37 | ASFLAGS += -32 | |
| 036999e9 | 38 | QEMU_CFLAGS += $(call cc-c-option, $(QEMU_CFLAGS), $(Wa)-32) |
| b2a575a1 MM |
39 | |
| 40 | build-all: multiboot.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin | |
| 253d0942 | 41 | |
| 6fbcef29 JK |
42 | # suppress auto-removal of intermediate files |
| 43 | .SECONDARY: | |
| 44 | ||
| b2a575a1 | 45 | |
| cdbd727c | 46 | %.o: %.S |
| 0bdb12c7 | 47 | $(call quiet-command,$(CPP) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) -c -o - $< | $(AS) $(ASFLAGS) -o $@,"AS","$(TARGET_DIR)$@") |
| b2a575a1 | 48 | |
| 253d0942 | 49 | %.img: %.o |
| 0bdb12c7 | 50 | $(call quiet-command,$(LD) $(LDFLAGS_NOPIE) -m $(LD_I386_EMULATION) -T $(SRC_PATH)/pc-bios/optionrom/flat.lds -s -o $@ $<,"BUILD","$(TARGET_DIR)$@") |
| 253d0942 | 51 | |
| 7aa486fe | 52 | %.raw: %.img |
| 0bdb12c7 | 53 | $(call quiet-command,$(OBJCOPY) -O binary -j .text $< $@,"BUILD","$(TARGET_DIR)$@") |
| 7aa486fe AL |
54 | |
| 55 | %.bin: %.raw | |
| 0bdb12c7 | 56 | $(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/signrom.py $< $@,"SIGN","$(TARGET_DIR)$@") |
| 253d0942 | 57 | |
| 253d0942 | 58 | clean: |
| 3e4e4646 | 59 | rm -f *.o *.d *.raw *.img *.bin *~ |