62 lines
1.9 KiB
Makefile
62 lines
1.9 KiB
Makefile
all: build-all
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# Dummy command so that make thinks it has done something
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@true
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include ../../config-host.mak
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quiet-command = $(if $(V),$1,$(if $(2),@printf " %-7s %s\n" $2 $3 && $1, @$1))
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cc-option = $(if $(shell $(CC) $1 -S -o /dev/null -xc /dev/null > /dev/null \
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2>&1 && echo OK), $1, $2)
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VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.sh %.rc Kconfig% %.json.in
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set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
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$(call set-vpath, $(SRC_PATH)/pc-bios/s390-ccw)
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# Flags for dependency generation
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QEMU_DGFLAGS = -MMD -MP -MT $@ -MF $(@D)/$(*F).d
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%.o: %.c
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$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
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-c -o $@ $<,"CC","$(TARGET_DIR)$@")
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%.o: %.S
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$(call quiet-command,$(CCAS) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
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-c -o $@ $<,"CCAS","$(TARGET_DIR)$@")
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.PHONY : all clean build-all
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OBJECTS = start.o main.o bootmap.o jump2ipl.o sclp.o menu.o \
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virtio.o virtio-scsi.o virtio-blkdev.o libc.o cio.o dasd-ipl.o
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QEMU_CFLAGS := $(filter -W%, $(QEMU_CFLAGS))
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QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -msoft-float
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QEMU_CFLAGS += -march=z900 -fPIE -fno-strict-aliasing
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QEMU_CFLAGS += -fno-asynchronous-unwind-tables
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QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-stack-protector)
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LDFLAGS += -Wl,-pie -nostdlib
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build-all: s390-ccw.img s390-netboot.img
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s390-ccw.elf: $(OBJECTS)
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$(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(OBJECTS),"BUILD","$(TARGET_DIR)$@")
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STRIP ?= strip
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s390-ccw.img: s390-ccw.elf
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$(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,"STRIP","$(TARGET_DIR)$@")
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$(OBJECTS): Makefile
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ifneq ($(wildcard $(SRC_PATH)/roms/SLOF/lib/libnet),)
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include $(SRC_PATH)/pc-bios/s390-ccw/netboot.mak
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else
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s390-netboot.img:
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@echo "s390-netboot.img not built since roms/SLOF/ is not available."
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endif
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ALL_OBJS = $(sort $(OBJECTS) $(NETOBJS) $(LIBCOBJS) $(LIBNETOBJS))
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-include $(ALL_OBJS:%.o=%.d)
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clean:
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rm -f *.o *.d *.img *.elf *~ *.a
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