1all: build-all 2# Dummy command so that make thinks it has done something 3 @true 4 5include config-host.mak 6CFLAGS = -O2 -g -I $(SRC_PATH)/../../include/hw/s390x/ipl 7LDFLAGS ?= 8MAKEFLAGS += -rR 9 10GIT_SUBMODULES = roms/SLOF 11 12NULL := 13SPACE := $(NULL) # 14TARGET_PREFIX := $(patsubst %/,%:$(SPACE),$(TARGET_DIR)) 15 16quiet-@ = $(if $(V),,@$(if $1,printf "%s\n" "$(TARGET_PREFIX)$1" && )) 17quiet-command = $(call quiet-@,$2 $@)$1 18 19VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.sh %.rc Kconfig% %.json.in 20set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1))) 21$(call set-vpath, $(SRC_PATH)) 22 23# Flags for dependency generation 24QEMU_DGFLAGS = -MMD -MP -MT $@ -MF $(@D)/$(*F).d 25 26%.o: %.c 27 $(call quiet-command,$(CC) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ 28 -c -o $@ $<,Compiling) 29 30%.o: %.S 31 $(call quiet-command,$(CCAS) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ 32 -c -o $@ $<,Assembling) 33 34.PHONY : all clean build-all distclean 35 36OBJECTS = start.o main.o bootmap.o jump2ipl.o sclp.o menu.o netmain.o \ 37 virtio.o virtio-net.o virtio-scsi.o virtio-blkdev.o cio.o dasd-ipl.o 38 39SLOF_DIR := $(SRC_PATH)/../../roms/SLOF 40 41LIBC_INC := -nostdinc -I$(SLOF_DIR)/lib/libc/include 42LIBNET_INC := -I$(SLOF_DIR)/lib/libnet 43 44EXTRA_CFLAGS += -Wall 45EXTRA_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE 46EXTRA_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables 47EXTRA_CFLAGS += -msoft-float 48EXTRA_CFLAGS += -std=gnu99 49EXTRA_CFLAGS += $(LIBC_INC) $(LIBNET_INC) 50EXTRA_LDFLAGS += -Wl,-pie -nostdlib -z noexecstack -z text 51 52cc-test = $(CC) -Werror $1 -c -o /dev/null -xc /dev/null >/dev/null 2>/dev/null 53cc-option = if $(call cc-test, $1); then \ 54 echo "$(TARGET_PREFIX)$1 detected" && echo "EXTRA_CFLAGS += $1" >&3; else \ 55 echo "$(TARGET_PREFIX)$1 not detected" $(if $2,&& echo "EXTRA_CFLAGS += $2" >&3); fi 56 57config-cc.mak: Makefile 58 $(quiet-@)($(call cc-option,-Wno-stringop-overflow); \ 59 $(call cc-option,-fno-stack-protector); \ 60 $(call cc-option,-Wno-array-bounds); \ 61 $(call cc-option,-Wno-gnu); \ 62 $(call cc-option,-march=z900,-march=z10)) 3> config-cc.mak 63-include config-cc.mak 64 65# libc files: 66 67LIBC_CFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \ 68 -MMD -MP -MT $@ -MF $(@:%.o=%.d) 69 70CTYPE_OBJS = isdigit.o isxdigit.o toupper.o 71%.o : $(SLOF_DIR)/lib/libc/ctype/%.c 72 $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling) 73 74STRING_OBJS = strcat.o strchr.o strrchr.o strcpy.o strlen.o strncpy.o \ 75 strcmp.o strncmp.o strcasecmp.o strncasecmp.o strstr.o \ 76 memset.o memcpy.o memmove.o memcmp.o 77%.o : $(SLOF_DIR)/lib/libc/string/%.c 78 $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling) 79 80STDLIB_OBJS = atoi.o atol.o strtoul.o strtol.o rand.o malloc.o free.o 81%.o : $(SLOF_DIR)/lib/libc/stdlib/%.c 82 $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling) 83 84STDIO_OBJS = sprintf.o snprintf.o vfprintf.o vsnprintf.o vsprintf.o fprintf.o \ 85 printf.o putc.o puts.o putchar.o stdchnls.o fileno.o 86%.o : $(SLOF_DIR)/lib/libc/stdio/%.c 87 $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling) 88 89sbrk.o: $(SLOF_DIR)/slof/sbrk.c 90 $(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling) 91 92LIBCOBJS := $(STRING_OBJS) $(CTYPE_OBJS) $(STDLIB_OBJS) $(STDIO_OBJS) sbrk.o 93 94libc.a: $(LIBCOBJS) 95 $(call quiet-command,$(AR) -rc $@ $^,Creating static library) 96 97# libnet files: 98 99LIBNETOBJS := args.o dhcp.o dns.o icmpv6.o ipv6.o tcp.o udp.o bootp.o \ 100 dhcpv6.o ethernet.o ipv4.o ndp.o tftp.o pxelinux.o 101LIBNETCFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \ 102 -DDHCPARCH=0x1F -MMD -MP -MT $@ -MF $(@:%.o=%.d) 103 104%.o : $(SLOF_DIR)/lib/libnet/%.c 105 $(call quiet-command,$(CC) $(LIBNETCFLAGS) -c -o $@ $<,Compiling) 106 107libnet.a: $(LIBNETOBJS) 108 $(call quiet-command,$(AR) -rc $@ $^,Creating static library) 109 110# Main targets: 111 112build-all: s390-ccw.img 113 114s390-ccw.elf: $(OBJECTS) libnet.a libc.a 115 $(call quiet-command,$(CC) $(EXTRA_LDFLAGS) $(LDFLAGS) -o $@ $^,Linking) 116 117s390-ccw.img: s390-ccw.elf 118 $(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,Stripping $< into) 119 120$(OBJECTS): Makefile 121 122ALL_OBJS = $(sort $(OBJECTS) $(LIBCOBJS) $(LIBNETOBJS)) 123-include $(ALL_OBJS:%.o=%.d) 124 125clean: 126 rm -f *.o *.d *.img *.elf *~ *.a 127 128distclean: 129 rm -f config-cc.mak 130 131.PHONY: git-submodule-update 132$(SRC_PATH)/../../.git-submodule-status: git-submodule-update config-host.mak 133Makefile: $(SRC_PATH)/../../.git-submodule-status 134 135git-submodule-update: 136ifneq ($(GIT_SUBMODULES_ACTION),ignore) 137 $(quiet-@)GIT=git "$(SRC_PATH)/../../scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES) 138endif 139