1all: build-all 2# Dummy command so that make thinks it has done something 3 @true 4 5include ../../config-host.mak 6CFLAGS = -O2 -g 7 8quiet-command = $(if $(V),$1,$(if $(2),@printf " %-7s %s\n" $2 $3 && $1, @$1)) 9cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \ 10 >/dev/null 2>&1 && echo OK),$2,$3) 11 12VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.sh %.rc Kconfig% %.json.in 13set-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 17QEMU_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 29OBJECTS = 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 32QEMU_CFLAGS := -Wall $(filter -W%, $(QEMU_CFLAGS)) 33QEMU_CFLAGS += $(call cc-option,-Werror $(QEMU_CFLAGS),-Wno-stringop-overflow) 34QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE 35QEMU_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables 36QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-stack-protector) 37QEMU_CFLAGS += -msoft-float 38QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS),-march=z900,-march=z10) 39QEMU_CFLAGS += -std=gnu99 40LDFLAGS += -Wl,-pie -nostdlib 41 42build-all: s390-ccw.img s390-netboot.img 43 44s390-ccw.elf: $(OBJECTS) 45 $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(OBJECTS),"BUILD","$(TARGET_DIR)$@") 46 47STRIP ?= strip 48 49s390-ccw.img: s390-ccw.elf 50 $(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,"STRIP","$(TARGET_DIR)$@") 51 52$(OBJECTS): Makefile 53 54ifneq ($(wildcard $(SRC_PATH)/roms/SLOF/lib/libnet),) 55include $(SRC_PATH)/pc-bios/s390-ccw/netboot.mak 56else 57s390-netboot.img: 58 @echo "s390-netboot.img not built since roms/SLOF/ is not available." 59endif 60 61ALL_OBJS = $(sort $(OBJECTS) $(NETOBJS) $(LIBCOBJS) $(LIBNETOBJS)) 62-include $(ALL_OBJS:%.o=%.d) 63 64clean: 65 rm -f *.o *.d *.img *.elf *~ *.a 66