Make it independent from the rules.mak, and clean up to use pattern rules. Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> --- pc-bios/s390-ccw/Makefile | 105 ++++++++++++++++++++++++++++++++++--------- pc-bios/s390-ccw/netboot.mak | 62 ------------------------- 2 files changed, 84 insertions(+), 83 deletions(-) delete mode 100644 pc-bios/s390-ccw/netboot.mak
diff --git a/pc-bios/s390-ccw/Makefile b/pc-bios/s390-ccw/Makefile index 50bc880..8c266ab 100644 --- a/pc-bios/s390-ccw/Makefile +++ b/pc-bios/s390-ccw/Makefile @@ -1,41 +1,102 @@ -all: build-all +CURRENT_MAKEFILE := $(realpath $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))) +SRC_DIR := $(dir $(CURRENT_MAKEFILE)) +TOPSRC_DIR := $(SRC_DIR)/../.. +VPATH = $(SRC_DIR) + +all: # Dummy command so that make thinks it has done something @true include ../../config-host.mak -include $(SRC_PATH)/rules.mak -$(call set-vpath, $(SRC_PATH)/pc-bios/s390-ccw) +quiet-command = $(if $(V),$1,$(if $(2),@printf " %-7s %s\n" $2 $3 && $1, @$1)) +cc-option = $(if $(shell $(CC) $1 -S -o /dev/null -xc /dev/null >/dev/null 2>&1 && echo OK), $1, $2) -.PHONY : all clean build-all +override CFLAGS += $(filter -W%, $(QEMU_CFLAGS)) +override CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -msoft-float +override CFLAGS += -march=z900 -fPIE -fno-strict-aliasing +override CFLAGS += -fno-asynchronous-unwind-tables +override CFLAGS += $(call cc-option, -fno-stack-protector) +LDFLAGS += -Wl,-pie -nostdlib OBJECTS = start.o main.o bootmap.o jump2ipl.o sclp.o menu.o \ virtio.o virtio-scsi.o virtio-blkdev.o libc.o cio.o dasd-ipl.o -QEMU_CFLAGS := $(filter -W%, $(QEMU_CFLAGS)) -QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -msoft-float -QEMU_CFLAGS += -march=z900 -fPIE -fno-strict-aliasing -QEMU_CFLAGS += -fno-asynchronous-unwind-tables -QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-stack-protector) -LDFLAGS += -Wl,-pie -nostdlib +STRIP ?= strip -build-all: s390-ccw.img s390-netboot.img +$(OBJECTS): Makefile -s390-ccw.elf: $(OBJECTS) - $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(OBJECTS),"BUILD","$(TARGET_DIR)$@") +SLOF_DIR := $(SRC_PATH)/roms/SLOF -STRIP ?= strip +NETOBJS := start.o sclp.o cio.o virtio.o virtio-net.o jump2ipl.o netmain.o \ -s390-ccw.img: s390-ccw.elf +LIBC_INC := -nostdinc -I$(SLOF_DIR)/lib/libc/include +LIBNET_INC := -I$(SLOF_DIR)/lib/libnet + +$(NETOBJS): QEMU_CFLAGS += $(LIBC_INC) $(LIBNET_INC) + +# libc files: + +LIBC_CFLAGS := $(QEMU_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \ + -MMD -MP -MT $@ -MF $(@:%.o=%.d) + + +CTYPE_OBJS = isdigit.o isxdigit.o toupper.o +$(CTYPE_OBJS) : %.o : $(SLOF_DIR)/lib/libc/ctype/%.c + $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") + +STRING_OBJS = strcat.o strchr.o strrchr.o strcpy.o strlen.o strncpy.o \ + strcmp.o strncmp.o strcasecmp.o strncasecmp.o strstr.o \ + memset.o memcpy.o memmove.o memcmp.o +$(STRING_OBJS) : %.o : $(SLOF_DIR)/lib/libc/string/%.c + $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") + +STDLIB_OBJS = atoi.o atol.o strtoul.o strtol.o rand.o malloc.o free.o +$(STDLIB_OBJS) : %.o : $(SLOF_DIR)/lib/libc/stdlib/%.c + $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") + +STDIO_OBJS = sprintf.o snprintf.o vfprintf.o vsnprintf.o vsprintf.o fprintf.o \ + printf.o putc.o puts.o putchar.o stdchnls.o fileno.o +$(STDIO_OBJS) : %.o : $(SLOF_DIR)/lib/libc/stdio/%.c + $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") + +sbrk.o: $(SLOF_DIR)/slof/sbrk.c + $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") + +LIBCOBJS := $(STRING_OBJS) $(CTYPE_OBJS) $(STDLIB_OBJS) $(STDIO_OBJS) sbrk.o + +libc.a: $(LIBCOBJS) + $(call quiet-command,$(AR) -rc $@ $^,"AR","$(TARGET_DIR)$@") + +# libnet files: + +LIBNETOBJS := args.o dhcp.o dns.o icmpv6.o ipv6.o tcp.o udp.o bootp.o \ + dhcpv6.o ethernet.o ipv4.o ndp.o tftp.o pxelinux.o +LIBNETCFLAGS := $(CFLAGS) -DDHCPARCH=0x1F $(LIBC_INC) $(LIBNET_INC) \ + -DDHCPARCH=0x1F -MMD -MP -MT $@ -MF $(@:%.o=%.d) + +$(LIBNETOBJS) : %.o : $(SLOF_DIR)/lib/libnet/%.c + $(call quiet-command,$(CC) $(LIBNETCFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") + +libnet.a: $(LIBNETOBJS) + $(call quiet-command,$(AR) -rc $@ $^,"AR","$(TARGET_DIR)$@") + +%.elf: + $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $^,"BUILD","$(TARGET_DIR)$@") + +%.img: %.elf $(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,"STRIP","$(TARGET_DIR)$@") -$(OBJECTS): Makefile +s390-ccw.elf: $(OBJECTS) +s390-ccw.img: s390-ccw.elf +all: s390-ccw.img + +ifneq ($(wildcard $(SLOF_DIR)/lib/libnet),) +s390-netboot.elf: $(NETOBJS) libnet.a libc.a +s390-netboot.elf: LDFLAGS += -Ttext=0x7800000 -ifneq ($(wildcard $(SRC_PATH)/roms/SLOF/lib/libnet),) -include $(SRC_PATH)/pc-bios/s390-ccw/netboot.mak -else -s390-netboot.img: - @echo "s390-netboot.img not built since roms/SLOF/ is not available." +s390-netboot.img: s390-netboot.elf +all: s390-netboot.img endif ALL_OBJS = $(sort $(OBJECTS) $(NETOBJS) $(LIBCOBJS) $(LIBNETOBJS)) @@ -43,3 +104,5 @@ ALL_OBJS = $(sort $(OBJECTS) $(NETOBJS) $(LIBCOBJS) $(LIBNETOBJS)) clean: rm -f *.o *.d *.img *.elf *~ *.a + +.PHONY : all clean diff --git a/pc-bios/s390-ccw/netboot.mak b/pc-bios/s390-ccw/netboot.mak deleted file mode 100644 index 577c023..0000000 --- a/pc-bios/s390-ccw/netboot.mak +++ /dev/null @@ -1,62 +0,0 @@ - -SLOF_DIR := $(SRC_PATH)/roms/SLOF - -NETOBJS := start.o sclp.o cio.o virtio.o virtio-net.o jump2ipl.o netmain.o - -LIBC_INC := -nostdinc -I$(SLOF_DIR)/lib/libc/include -LIBNET_INC := -I$(SLOF_DIR)/lib/libnet - -NETLDFLAGS := $(LDFLAGS) -Ttext=0x7800000 - -$(NETOBJS): QEMU_CFLAGS += $(LIBC_INC) $(LIBNET_INC) - -s390-netboot.elf: $(NETOBJS) libnet.a libc.a - $(call quiet-command,$(CC) $(NETLDFLAGS) -o $@ $^,"BUILD","$(TARGET_DIR)$@") - -s390-netboot.img: s390-netboot.elf - $(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,"STRIP","$(TARGET_DIR)$@") - -# libc files: - -LIBC_CFLAGS = $(QEMU_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \ - -MMD -MP -MT $@ -MF $(@:%.o=%.d) - -CTYPE_OBJS = isdigit.o isxdigit.o toupper.o -%.o : $(SLOF_DIR)/lib/libc/ctype/%.c - $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") - -STRING_OBJS = strcat.o strchr.o strrchr.o strcpy.o strlen.o strncpy.o \ - strcmp.o strncmp.o strcasecmp.o strncasecmp.o strstr.o \ - memset.o memcpy.o memmove.o memcmp.o -%.o : $(SLOF_DIR)/lib/libc/string/%.c - $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") - -STDLIB_OBJS = atoi.o atol.o strtoul.o strtol.o rand.o malloc.o free.o -%.o : $(SLOF_DIR)/lib/libc/stdlib/%.c - $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") - -STDIO_OBJS = sprintf.o snprintf.o vfprintf.o vsnprintf.o vsprintf.o fprintf.o \ - printf.o putc.o puts.o putchar.o stdchnls.o fileno.o -%.o : $(SLOF_DIR)/lib/libc/stdio/%.c - $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") - -sbrk.o: $(SLOF_DIR)/slof/sbrk.c - $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") - -LIBCOBJS := $(STRING_OBJS) $(CTYPE_OBJS) $(STDLIB_OBJS) $(STDIO_OBJS) sbrk.o - -libc.a: $(LIBCOBJS) - $(call quiet-command,$(AR) -rc $@ $^,"AR","$(TARGET_DIR)$@") - -# libnet files: - -LIBNETOBJS := args.o dhcp.o dns.o icmpv6.o ipv6.o tcp.o udp.o bootp.o \ - dhcpv6.o ethernet.o ipv4.o ndp.o tftp.o pxelinux.o -LIBNETCFLAGS = $(QEMU_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \ - -DDHCPARCH=0x1F -MMD -MP -MT $@ -MF $(@:%.o=%.d) - -%.o : $(SLOF_DIR)/lib/libnet/%.c - $(call quiet-command,$(CC) $(LIBNETCFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@") - -libnet.a: $(LIBNETOBJS) - $(call quiet-command,$(AR) -rc $@ $^,"AR","$(TARGET_DIR)$@") -- 1.8.3.1