xref: /openbmc/qemu/pc-bios/optionrom/Makefile (revision 35ed01ba)
198409991SHelge Konetzkainclude config.mak
298409991SHelge KonetzkaSRC_DIR := $(TOPSRC_DIR)/pc-bios/optionrom
3bf708f3cSMarc-André LureauVPATH = $(SRC_DIR)
4bf708f3cSMarc-André Lureau
548972f8cSMarcus Hähnelall: multiboot.bin multiboot_dma.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin pvh.bin
6c05ac895SPaul Brook# Dummy command so that make thinks it has done something
7c05ac895SPaul Brook	@true
8253d0942SAlexander Graf
949b7d744SPaolo BonziniCFLAGS = -O2 -g
10253d0942SAlexander Graf
1166c9f20fSPaolo BonziniNULL :=
1266c9f20fSPaolo BonziniSPACE := $(NULL) #
1366c9f20fSPaolo BonziniTARGET_PREFIX := $(patsubst %/,%:$(SPACE),$(TARGET_DIR))
1466c9f20fSPaolo Bonzini
15f9236995SPaolo Bonziniquiet-@ = $(if $(V),,@$(if $1,printf "%s\n" "$(TARGET_PREFIX)$1" && ))
16f9236995SPaolo Bonziniquiet-command = $(call quiet-@,$2 $@)$1
179584d3d0SChristian Ehrhardt
18bf708f3cSMarc-André Lureau# Flags for dependency generation
19bf708f3cSMarc-André Lureauoverride CPPFLAGS += -MMD -MP -MT $@ -MF $(@D)/$(*F).d
20bf708f3cSMarc-André Lureau
2166c9f20fSPaolo Bonzinioverride CFLAGS += -march=i486 -Wall $(EXTRA_CFLAGS) -m16
2243924d1eSPaolo Bonzinioverride CFLAGS += -ffreestanding -I$(TOPSRC_DIR)/include
2366c9f20fSPaolo Bonzini
2466c9f20fSPaolo Bonzinicc-test = $(CC) -Werror $1 -c -o /dev/null -xc /dev/null >/dev/null 2>/dev/null
2566c9f20fSPaolo Bonzinicc-option = if $(call cc-test, $1); then \
2666c9f20fSPaolo Bonzini    echo "$(TARGET_PREFIX)$1 detected" && echo "override CFLAGS += $1" >&3; else \
2766c9f20fSPaolo Bonzini    echo "$(TARGET_PREFIX)$1 not detected" $(if $2,&& echo "override CFLAGS += $2" >&3); fi
2866c9f20fSPaolo Bonzini
2966c9f20fSPaolo Bonzini# If -fcf-protection is enabled in flags or compiler defaults that will
3066c9f20fSPaolo Bonzini# conflict with -march=i486
3166c9f20fSPaolo Bonziniconfig-cc.mak: Makefile
3266c9f20fSPaolo Bonzini	$(quiet-@)($(call cc-option,-fcf-protection=none); \
3366c9f20fSPaolo Bonzini	    $(call cc-option,-fno-pie); \
3466c9f20fSPaolo Bonzini	    $(call cc-option,-no-pie); \
3566c9f20fSPaolo Bonzini	    $(call cc-option,-fno-stack-protector); \
3666c9f20fSPaolo Bonzini	    $(call cc-option,-Wno-array-bounds)) 3> config-cc.mak
3766c9f20fSPaolo Bonzini-include config-cc.mak
38bf708f3cSMarc-André Lureau
39*35ed01baSFabiano Rosasoverride LDFLAGS = -nostdlib -Wl,--build-id=none,-T,$(SRC_DIR)/flat.lds
40bf708f3cSMarc-André Lureau
41bf708f3cSMarc-André Lureaupvh.img: pvh.o pvh_main.o
42bf708f3cSMarc-André Lureau
43bf708f3cSMarc-André Lureau%.o: %.S
44f9236995SPaolo Bonzini	$(call quiet-command,$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<,Assembling)
45bf708f3cSMarc-André Lureau
46bf708f3cSMarc-André Lureau%.o: %.c
47f9236995SPaolo Bonzini	$(call quiet-command,$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@,Compiling)
48bf708f3cSMarc-André Lureau
49bf708f3cSMarc-André Lureau%.img: %.o
50f9236995SPaolo Bonzini	$(call quiet-command,$(CC) $(CFLAGS) $(LDFLAGS) -s -o $@ $^,Linking)
51bf708f3cSMarc-André Lureau
52bf708f3cSMarc-André Lureau%.raw: %.img
53f9236995SPaolo Bonzini	$(call quiet-command,$(OBJCOPY) -O binary -j .text $< $@,Extracting raw object)
54bf708f3cSMarc-André Lureau
55bf708f3cSMarc-André Lureau%.bin: %.raw
56f9236995SPaolo Bonzini	$(call quiet-command,$(PYTHON) $(TOPSRC_DIR)/scripts/signrom.py $< $@,Computing checksum into)
57bf708f3cSMarc-André Lureau
58bf708f3cSMarc-André Lureauinclude $(wildcard *.d)
59bf708f3cSMarc-André Lureau
60bf708f3cSMarc-André Lureauclean:
61bf708f3cSMarc-André Lureau	rm -f *.o *.d *.raw *.img *.bin *~
62253d0942SAlexander Graf
6366c9f20fSPaolo Bonzinidistclean:
6466c9f20fSPaolo Bonzini	rm -f config-cc.mak
6566c9f20fSPaolo Bonzini
666fbcef29SJan Kiszka# suppress auto-removal of intermediate files
676fbcef29SJan Kiszka.SECONDARY:
686fbcef29SJan Kiszka
6966c9f20fSPaolo Bonzini.PHONY: all clean distclean
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