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139 lines
4.5 KiB
Makefile
139 lines
4.5 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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CFLAGS = -O2 -g -I $(SRC_PATH)/../../include/hw/s390x/ipl
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LDFLAGS ?=
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MAKEFLAGS += -rR
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GIT_SUBMODULES = roms/SLOF
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NULL :=
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SPACE := $(NULL) #
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TARGET_PREFIX := $(patsubst %/,%:$(SPACE),$(TARGET_DIR))
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quiet-@ = $(if $(V),,@$(if $1,printf "%s\n" "$(TARGET_PREFIX)$1" && ))
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quiet-command = $(call quiet-@,$2 $@)$1
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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))
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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) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
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-c -o $@ $<,Compiling)
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%.o: %.S
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$(call quiet-command,$(CCAS) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
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-c -o $@ $<,Assembling)
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.PHONY : all clean build-all distclean
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OBJECTS = start.o main.o bootmap.o jump2ipl.o sclp.o menu.o netmain.o \
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virtio.o virtio-net.o virtio-scsi.o virtio-blkdev.o cio.o dasd-ipl.o
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SLOF_DIR := $(SRC_PATH)/../../roms/SLOF
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LIBC_INC := -nostdinc -I$(SLOF_DIR)/lib/libc/include
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LIBNET_INC := -I$(SLOF_DIR)/lib/libnet
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EXTRA_CFLAGS += -Wall
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EXTRA_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE
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EXTRA_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables
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EXTRA_CFLAGS += -msoft-float
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EXTRA_CFLAGS += -std=gnu99
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EXTRA_CFLAGS += $(LIBC_INC) $(LIBNET_INC)
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EXTRA_LDFLAGS += -Wl,-pie -nostdlib -z noexecstack -z text
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cc-test = $(CC) -Werror $1 -c -o /dev/null -xc /dev/null >/dev/null 2>/dev/null
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cc-option = if $(call cc-test, $1); then \
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echo "$(TARGET_PREFIX)$1 detected" && echo "EXTRA_CFLAGS += $1" >&3; else \
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echo "$(TARGET_PREFIX)$1 not detected" $(if $2,&& echo "EXTRA_CFLAGS += $2" >&3); fi
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config-cc.mak: Makefile
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$(quiet-@)($(call cc-option,-Wno-stringop-overflow); \
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$(call cc-option,-fno-stack-protector); \
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$(call cc-option,-Wno-array-bounds); \
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$(call cc-option,-Wno-gnu); \
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$(call cc-option,-march=z900,-march=z10)) 3> config-cc.mak
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-include config-cc.mak
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# libc files:
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LIBC_CFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \
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-MMD -MP -MT $@ -MF $(@:%.o=%.d)
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CTYPE_OBJS = isdigit.o isxdigit.o toupper.o
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%.o : $(SLOF_DIR)/lib/libc/ctype/%.c
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$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
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STRING_OBJS = strcat.o strchr.o strrchr.o strcpy.o strlen.o strncpy.o \
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strcmp.o strncmp.o strcasecmp.o strncasecmp.o strstr.o \
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memset.o memcpy.o memmove.o memcmp.o
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%.o : $(SLOF_DIR)/lib/libc/string/%.c
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$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
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STDLIB_OBJS = atoi.o atol.o strtoul.o strtol.o rand.o malloc.o free.o
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%.o : $(SLOF_DIR)/lib/libc/stdlib/%.c
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$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
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STDIO_OBJS = sprintf.o snprintf.o vfprintf.o vsnprintf.o vsprintf.o fprintf.o \
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printf.o putc.o puts.o putchar.o stdchnls.o fileno.o
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%.o : $(SLOF_DIR)/lib/libc/stdio/%.c
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$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
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sbrk.o: $(SLOF_DIR)/slof/sbrk.c
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$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
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LIBCOBJS := $(STRING_OBJS) $(CTYPE_OBJS) $(STDLIB_OBJS) $(STDIO_OBJS) sbrk.o
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libc.a: $(LIBCOBJS)
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$(call quiet-command,$(AR) -rc $@ $^,Creating static library)
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# libnet files:
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LIBNETOBJS := args.o dhcp.o dns.o icmpv6.o ipv6.o tcp.o udp.o bootp.o \
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dhcpv6.o ethernet.o ipv4.o ndp.o tftp.o pxelinux.o
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LIBNETCFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \
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-DDHCPARCH=0x1F -MMD -MP -MT $@ -MF $(@:%.o=%.d)
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%.o : $(SLOF_DIR)/lib/libnet/%.c
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$(call quiet-command,$(CC) $(LIBNETCFLAGS) -c -o $@ $<,Compiling)
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libnet.a: $(LIBNETOBJS)
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$(call quiet-command,$(AR) -rc $@ $^,Creating static library)
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# Main targets:
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build-all: s390-ccw.img
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s390-ccw.elf: $(OBJECTS) libnet.a libc.a
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$(call quiet-command,$(CC) $(EXTRA_LDFLAGS) $(LDFLAGS) -o $@ $^,Linking)
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s390-ccw.img: s390-ccw.elf
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$(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,Stripping $< into)
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$(OBJECTS): Makefile
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ALL_OBJS = $(sort $(OBJECTS) $(LIBCOBJS) $(LIBNETOBJS))
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-include $(ALL_OBJS:%.o=%.d)
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clean:
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rm -f *.o *.d *.img *.elf *~ *.a
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distclean:
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rm -f config-cc.mak
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.PHONY: git-submodule-update
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$(SRC_PATH)/../../.git-submodule-status: git-submodule-update config-host.mak
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Makefile: $(SRC_PATH)/../../.git-submodule-status
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git-submodule-update:
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ifneq ($(GIT_SUBMODULES_ACTION),ignore)
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$(quiet-@)GIT=git "$(SRC_PATH)/../../scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)
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endif
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