Merge remote-tracking branch 'remotes/cschoenebeck/tags/pull-9p-20211027' into staging
[qemu.git] / pc-bios / s390-ccw / Makefile
1 all: build-all
2 # Dummy command so that make thinks it has done something
3 @true
4
5 include ../../config-host.mak
6 CFLAGS = -O2 -g
7
8 quiet-command = $(if $(V),$1,$(if $(2),@printf " %-7s %s\n" $2 $3 && $1, @$1))
9 cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
10 >/dev/null 2>&1 && echo OK),$2,$3)
11
12 VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.sh %.rc Kconfig% %.json.in
13 set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
14 $(call set-vpath, $(SRC_PATH)/pc-bios/s390-ccw)
15
16 # Flags for dependency generation
17 QEMU_DGFLAGS = -MMD -MP -MT $@ -MF $(@D)/$(*F).d
18
19 %.o: %.c
20 $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
21 -c -o $@ $<,"CC","$(TARGET_DIR)$@")
22
23 %.o: %.S
24 $(call quiet-command,$(CCAS) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
25 -c -o $@ $<,"CCAS","$(TARGET_DIR)$@")
26
27 .PHONY : all clean build-all
28
29 OBJECTS = start.o main.o bootmap.o jump2ipl.o sclp.o menu.o \
30 virtio.o virtio-scsi.o virtio-blkdev.o libc.o cio.o dasd-ipl.o
31
32 QEMU_CFLAGS := -Wall $(filter -W%, $(QEMU_CFLAGS))
33 QEMU_CFLAGS += $(call cc-option,-Werror $(QEMU_CFLAGS),-Wno-stringop-overflow)
34 QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE
35 QEMU_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables
36 QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-stack-protector)
37 QEMU_CFLAGS += -msoft-float
38 QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS),-march=z900,-march=z10)
39 QEMU_CFLAGS += -std=gnu99
40 LDFLAGS += -Wl,-pie -nostdlib
41
42 build-all: s390-ccw.img s390-netboot.img
43
44 s390-ccw.elf: $(OBJECTS)
45 $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(OBJECTS),"BUILD","$(TARGET_DIR)$@")
46
47 STRIP ?= strip
48
49 s390-ccw.img: s390-ccw.elf
50 $(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,"STRIP","$(TARGET_DIR)$@")
51
52 $(OBJECTS): Makefile
53
54 ifneq ($(wildcard $(SRC_PATH)/roms/SLOF/lib/libnet),)
55 include $(SRC_PATH)/pc-bios/s390-ccw/netboot.mak
56 else
57 s390-netboot.img:
58 @echo "s390-netboot.img not built since roms/SLOF/ is not available."
59 endif
60
61 ALL_OBJS = $(sort $(OBJECTS) $(NETOBJS) $(LIBCOBJS) $(LIBNETOBJS))
62 -include $(ALL_OBJS:%.o=%.d)
63
64 clean:
65 rm -f *.o *.d *.img *.elf *~ *.a