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