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