l4/pkg/bootstrap/server/src/Make.rules

   1 # vim:set ft=make:
   2 #
   3 # User definable variables for bootstrap:
   4 # - BOOTSTRAP_SEARCH_PATH
   5 # - BOOTSTRAP_ELF_NAME
   6 # - BOOTSTRAP_MODULES_LIST
   7 # - BOOTSTRAP_DO_RAW_IMAGE
   8 # - BOOTSTRAP_DO_UIMAGE
   9 # - BOOTSTRAP_NO_STRIP if set no stripping of image
  10 # - BOOTSTRAP_UIMAGE_COMPRESSION: set to none, gzip, or bzip2
  11 # - BOOTSTRAP_CMDLINE: compiled-in command line, only used if no cmdline
  12 #                      given via multi-boot boot loader (e.g. on arm)
  13 # - BOOTSTRAP_OUTPUT_DIR: Optional alternative output directory for all
  14 #                         images (and generated files), preferable some
  15 #                         tmpfs directory
  16
  17 DEFAULT_RELOC_arm   := 0x01000000
  18 DEFAULT_RELOC_x86   := 0x002d0000
  19 DEFAULT_RELOC_amd64 := 0x002d0000
  20 DEFAULT_RELOC_ppc32 := 0x002d0000
  21 DEFAULT_RELOC_sparc := 0x00800000
  22 RELOC_PHYS          := y
  23 LDFLAGS              = -Bstatic
  24 EXTRA_GENERAL_D_DEP += .redo-change-tracker $(BID_RAM_BASE_DEP) \
  25                        $(wildcard $(L4DIR)/conf/Makeconf.boot $(OBJ_BASE)/conf/Makeconf.boot) \
  26                        $(SRC_DIR)/build.pl
  27 INCLUDE_MAKE_RULES   = $(SRC_DIR)/*/Make.rules
  28 BOOTSTRAP_LD_dep    := $(SRC_DIR)/ldscript.inc
  29 #REQUIRES_LIBS        = libbsd-lite
  30
  31 include $(L4DIR)/mk/Makeconf
  32 -include $(OBJ_DIR)/Makeconf.local
  33 -include $(L4DIR)/conf/Makeconf.boot
  34 -include $(OBJ_BASE)/conf/Makeconf.boot
  35
  36 # Checks added Nov 2010:
  37 ifneq ($(wildcard $(L4DIR)/conf/Makeconf.bootstrap),)
  38 $(error $(L4DIR)/conf/Makeconf.bootstrap not used anymore. Please use $(L4DIR)/conf/Makeconf.boot now)
  39 endif
  40 ifneq ($(wildcard $(OBJ_BASE)/Makeconf.bootstrap),)
  41 $(error $(OBJ_BASE)/Makeconf.bootstrap not used anymore. Please use $(OBJ_BASE)/conf/Makeconf.boot now)
  42 endif
  43
  44 BOOTSTRAP_SEARCH_PATH        ?= .
  45 BOOTSTRAP_MODULES_LIST       ?= $(SRC_DIR)/modules.list
  46 BOOTSTRAP_MODULE_PATH_BINLIB ?= $(OBJ_BASE)/bin/$(SYSTEM)/$(BUILD_ABI):$(OBJ_BASE)/lib/$(SYSTEM)/$(BUILD_ABI):$(OBJ_BASE)/lib/$(SYSTEM)
  47 BOOTSTRAP_ELF_NAME           ?= bootstrap.elf
  48 MKIMAGE                      ?= mkimage
  49 BOOTSTRAP_UIMAGE_COMPRESSION ?= none
  50
  51 ifeq ($(BUILD_ARCH),$(filter $(BUILD_ARCH),arm ppc32 sparc))
  52   # ARM/PPC/SPARC always uses single image mode
  53   # when no entry is given we build the useless auto-build target
  54   ifeq ($(E)$(ENTRY),)
  55     BOOTSTRAP_ELF_NAME := bootstrap.auto-build-useless.elf
  56   endif
  57   ENTRY := auto-build-entry
  58 endif
  59
  60 od := $(if $(BOOTSTRAP_OUTPUT_DIR),$(if $(wildcard $(BOOTSTRAP_OUTPUT_DIR)),,$(shell mkdir $(BOOTSTRAP_OUTPUT_DIR))))
  61 od := $(if $(BOOTSTRAP_OUTPUT_DIR),$(BOOTSTRAP_OUTPUT_DIR)/)
  62
  63 PRIVATE_INCDIR   = $(SRC_DIR) $(SRC_DIR)/ARCH-$(ARCH)
  64
  65 TARGET          := $(od)$(BOOTSTRAP_ELF_NAME)
  66 TARGET_BIN       = $(od)$(BOOTSTRAP_ELF_NAME)
  67 MODE             = lib
  68
  69 include $(SRC_DIR)/Makefile.platform
  70
  71 ifneq ($(DEFAULT_RELOC_arm-$(PLATFORM_TYPE)),)
  72 DEFAULT_RELOC_arm         := $(DEFAULT_RELOC_arm-$(PLATFORM_TYPE))
  73 endif
  74
  75 SRC_C           += exec.c module.c
  76 SRC_CC          += region.cc startup.cc init_kip_v2.cc init_kip_v4.cc \
  77                    libc_support+.cc patch.cc koptions.cc
  78
  79 SRC_CC_x86      += ARCH-x86/reboot.cc
  80 SRC_CC_amd64    += ARCH-x86/reboot.cc
  81 SRC_C_x86       += base_critical.c
  82 SRC_C_amd64     += base_critical.c
  83 SRC_CC_arm      += ARCH-arm/reboot.cc
  84 SRC_CC_ppc32    += ARCH-ppc32/init_kip_v2-arch.cc \
  85                    ARCH-ppc32/reboot.cc
  86 SRC_CC_sparc    += ARCH-sparc/reboot.cc
  87 SRC_CC          += $(SUPPORT_CC_$(ARCH)-$(PLATFORM_TYPE))
  88 SRC_S           += ARCH-$(ARCH)/crt0.S
  89
  90 OPTS             = -g -Os $(CARCHFLAGS_$(ARCH)) $(CARCHFLAGS_$(ARCH)_$(CPU)) \
  91                    $(GCCNOFPU_$(ARCH))
  92 DEFINES         += -DRAM_BASE=$(RAM_BASE) -DL4_MINIMAL_LIBC=1
  93 DEFINES         += -DCMDLINE="\"$(BOOTSTRAP_CMDLINE)\""
  94 DEFINES         += -DPLATFORM_TYPE=\"$(PLATFORM_TYPE)\"
  95 DEFINES         += -DPLATFORM_TYPE_$(PLATFORM_TYPE)
  96
  97 MOD_ADDR         = 0x02000000
  98
  99 CPPFLAGS        += $(CPPFLAGS_$(ARCH)-$(PLATFORM_TYPE))
 100 CPPFLAGS        += $(BID_PKG_CONFIG_CFLAGS)
 101
 102 ifeq ($(filter clean cleanall,$(MAKECMDGOALS)),)
 103 ifeq ($(SUPPORT_CC_$(ARCH)-$(PLATFORM_TYPE)),)
 104   $(info ERROR: PLATFORM_TYPE=$(PLATFORM_TYPE) has no assigned platform support file)
 105   $(info ERROR: A proper PLATFORM_TYPE must be set for a build)
 106   $(error .)
 107 endif
 108 endif
 109
 110 DRV_LIBS-ppc32   = -ldrivers_of
 111 DRV_LIBS         = -ldrivers_uart $(DRV_LIBS-$(ARCH))
 112 CRT0             =
 113 LDSCRIPT         = bootstrap.ld
 114 LDNMAGIC         =
 115
 116 vpath bootstrap.ld.in $(SRC_DIR)/ARCH-$(ARCH)
 117
 118 # can be overwritten by Makeconf.local
 119 COMPRESS        ?= 0
 120 LOADER_MBI      ?= 0
 121 REALMODE_LOADING ?= 0
 122 RML             ?= 0
 123
 124 ifneq ($(REALMODE_LOADING)$(RML),00)
 125 REALMODE_LOADING := 1
 126 $(error Info: Default reloc needs to be 0x00100000)
 127 # And if you have done so you probably need to relink sigma0 and/or moe
 128 endif
 129
 130 ifeq ($(ARCH),arm)
 131 LOADER_MBI       := 1
 132 CPPFLAGS         += -DSINGLE_SECTION
 133 endif
 134
 135 ifeq ($(ARCH),ppc32)
 136 LOADER_MBI       := 1
 137 endif
 138
 139 ifeq ($(ARCH),sparc)
 140 LOADER_MBI       := 1
 141 endif
 142
 143
 144 # convenience
 145 ifneq ($(E),)
 146 ENTRY           := $(E)
 147 endif
 148
 149 ENTRY_FN := $(shell echo "$(ENTRY)" | tr '[ ]' '[_]' )
 150
 151
 152 ifneq ($(ENTRY),)
 153  ifeq ($(filter clean cleanall,$(MAKECMDGOALS)),)
 154   BUILD_MOD_CMD = ( SEARCHPATH="$(BOOTSTRAP_SEARCH_PATH):$(BOOTSTRAP_MODULE_PATH_BINLIB)" \
 155                     CROSS_COMPILE=$(SYSTEM_TARGET) MAKE_INC_FILE=$(PWD)/mod.make.inc \
 156                     OUTPUT_DIR="$(BOOTSTRAP_OUTPUT_DIR)" \
 157                     OPT_ARCH=$(ARCH) OPT_COMPRESS=$(COMPRESS) L4DIR=$(L4DIR) \
 158                     $(SRC_DIR)/build.pl $(1) $(BOOTSTRAP_MODULES_LIST) "$(ENTRY)" || \
 159                     (echo "processing-of-module-list-failed"; exit 1))
 160  endif
 161 endif
 162
 163
 164 # we need to re-do if some things change
 165 .redo-change-tracker: FORCE
 166         $(VERBOSE)echo "$(ENTRY) '$(COMPRESS)' '$(BOOTSTRAP_CMDLINE)' '$(BOOTSTRAP_SEARCH_PATH):$(BOOTSTRAP_MODULE_PATH_BINLIB)' '$(RAM_SIZE_MB)' '$(PLATFORM_TYPE)' '$(LOADER_MBI)' '$(od)'" > $@.tmp
 167         $(if $(BUILD_MOD_CMD),$(VERBOSE)$(call BUILD_MOD_CMD,dump) >> $@.tmp)
 168         $(VERBOSE)if  test ! -r "$@" || ! cmp -s $@ $@.tmp; then \
 169           mv $@.tmp $@;  \
 170         else \
 171           rm $@.tmp; \
 172         fi
 173
 174 ifneq ($(ENTRY),)
 175
 176 INSTALL_FILES  = $(BOOTSTRAP_ELF_NAME) bootstrap_$(ENTRY_FN) bootstrap_$(ENTRY_FN).elf
 177 ifeq ($(ARCH),amd64)
 178 INSTALL_FILES += bootstrap32.elf
 179 BOOTSTRAP_LINK_SOURCE = bootstrap32.elf
 180 else
 181 BOOTSTRAP_LINK_SOURCE = $(BOOTSTRAP_ELF_NAME)
 182 endif
 183
 184 $(od)bootstrap_$(ENTRY_FN): $(od)$(BOOTSTRAP_LINK_SOURCE)
 185         $(VERBOSE)$(LN) -f $< $@
 186
 187 $(od)bootstrap_$(ENTRY_FN).elf: $(od)$(BOOTSTRAP_LINK_SOURCE)
 188         $(VERBOSE)$(LN) -f $< $@
 189
 190 $(od)bootstrap_$(ENTRY_FN).raw: $(od)bootstrap.raw
 191         $(VERBOSE)$(LN) -f $< $@
 192
 193 $(od)bootstrap_$(ENTRY_FN).uimage: $(od)bootstrap.uimage
 194         $(VERBOSE)$(LN) -f $< $@
 195
 196  ifeq ($(ARCH),$(filter $(ARCH),arm ppc32))
 197    BID_POST_PROG_LINK_MSG_$(BOOTSTRAP_ELF_NAME) = echo -e "  ==> Post-processing $@"
 198    BID_POST_PROG_LINK_$(BOOTSTRAP_ELF_NAME)     = \
 199       $(VERBOSE)LANG=C $(NM) -C $@ | \
 200         LANG=C $(GREP) -q "V vtable for Platform_base" || \
 201            { echo -e "\nERROR: Missing at least one platform instantiation.\n"; \
 202              exit 1; } ; $(if $(BOOTSTRAP_NO_STRIP),,$(STRIP) $@)
 203
 204    ifneq ($(BOOTSTRAP_DO_RAW_IMAGE)$(BOOTSTRAP_DO_UIMAGE),)
 205      BOOTSTRAP_RAW      := $(od)bootstrap.raw
 206      INSTALL_FILES      += bootstrap.raw bootstrap_$(ENTRY_FN).raw
 207      ifneq ($(BOOTSTRAP_DO_UIMAGE),)
 208        ifneq ($(shell command -v $(MKIMAGE)),)
 209          BOOTSTRAP_UIMAGE := $(od)bootstrap.uimage
 210          INSTALL_FILES    += bootstrap.uimage bootstrap_$(ENTRY_FN).uimage
 211        else
 212          $(error mkimage($(MKIMAGE)) host tool missing, cannot build bootstrap.uimage)
 213        endif
 214      endif
 215    endif
 216  endif
 217
 218 all:: $(addprefix $(IMAGES_DIR)/,$(INSTALL_FILES))
 219         $(VERBOSE)echo "  Image size(s) in bytes:"
 220         $(VERBOSE)for f in $(filter bootstrap_$(ENTRY_FN).elf bootstrap.raw bootstrap.uimage, $(INSTALL_FILES)); do \
 221           find $(if $(od),$(od),.) -name $$f -printf " %30f:  %s\n"; \
 222         done
 223         $(if $(LDFLAGS_bootstrap.elf),$(VERBOSE)echo "  Start address: $(patsubst --defsym=__executable_start=%,%,$(LDFLAGS_bootstrap.elf))")
 224         $(VERBOSE)echo "  --> Build-Nr: $$(cat .build_nr)"
 225
 226 # install images into easy to reach directory in build dir
 227 $(IMAGES_DIR)/%: $(od)%
 228         $(VERBOSE)if [ "$(ENTRY)" != "auto-build-entry" ]; then \
 229           echo "  ==> Installing $< in image directory";        \
 230           (cd $(dir $@) && $(LN) -sf $(if $(od),,$(PWD)/)$<);   \
 231         fi
 232 else
 233   INSTALL_FILES = bootstrap
 234 endif # ENTRY
 235
 236 ifneq ($(REALMODE_LOADING),0)
 237 LOADER_MBI       = 1
 238 CPPFLAGS        += -DREALMODE_LOADING -DSINGLE_SECTION
 239 # don't install bootstrap_$(ENTRY_FN).elf
 240 INSTALL_FILES    = bootstrap.load
 241 MOD_ADDR         = 0x00150000
 242 endif
 243
 244 ifneq ($(LOADER_MBI),0)
 245 SRC_CC          += loader_mbi.cc
 246 CPPFLAGS        += -DLOADER_MBI
 247 endif
 248
 249 ifneq ($(COMPRESS),0)
 250 SRC_C           += uncompress.c gunzip.c
 251 CPPFLAGS        += -DCOMPRESS
 252 else
 253 CPPFLAGS        += -DPLACE_MODULES_AT_MODADDR
 254 endif
 255
 256 ifneq ($(RAM_SIZE_MB),)
 257 CPPFLAGS        += -DRAM_SIZE_MB=$(RAM_SIZE_MB)
 258 endif
 259
 260 CXXFLAGS += -fno-rtti -fno-exceptions
 261 CXXFLAGS += $(call checkcxx,-fno-threadsafe-statics)
 262
 263 ifneq ($(BUILD_MOD_CMD),)
 264  ifeq ($(filter clean cleanall,$(MAKECMDGOALS)),)
 265
 266 processing-of-module-list-failed:
 267         @echo
 268         @echo "  Processing of $(BOOTSTRAP_MODULES_LIST) failed!"
 269         @echo
 270         @exit 1
 271
 272 mod.make.inc $(od)mbi_modules.bin: $(GENERAL_D_LOC) $(shell $(call BUILD_MOD_CMD,list))
 273         @echo Building entry \""$(ENTRY)"\".
 274         $(VERBOSE)$(call BUILD_MOD_CMD,build)
 275
 276   -include mod.make.inc
 277   BOOTSTRAP_LD_dep             += mod.make.inc
 278   STARTUP_C_dep                := mod.make.inc
 279   OBJS_$(od)$(BOOTSTRAP_ELF_NAME)   += $(MODULE_OBJECT_FILES)
 280  endif
 281
 282  CPPFLAGS                     += -DIMAGE_MODE
 283 endif
 284
 285 CPPFLAGS        += -DMODADDR=$(MOD_ADDR)
 286
 287 LIBS             =
 288 L4_LIBS          = -static -nostdlib $(DRV_LIBS) -lcxx_base -lcxx_io
 289 L4_LIBS         += -luc_c_minimal $(GCCLIB)
 290
 291 all:: $(BOOTSTRAP_RAW)
 292
 293 # image for use with pxelinux
 294 bootstrap.load: $(TARGET_BIN) bootsect.o.img setup.o.img
 295         @$(GEN_MESSAGE)
 296         $(VERBOSE)objcopy -O binary -R .note -R .comment -S $< $<.load.bin
 297         $(VERBOSE)cat bootsect.o.img setup.o.img $<.load.bin > $@
 298
 299 bootsect.o.img: ARCH-x86/bootsect.S Makefile
 300         @$(GEN_MESSAGE)
 301         $(VERBOSE)$(CC) -traditional -nostdinc -nostdlib -c $<
 302         $(VERBOSE)$(LD) -m elf_i386 -Ttext 0x0 -o $@ -s --oformat binary \
 303           bootsect.o
 304         $(VERBOSE)chmod -x $@
 305
 306 setup.o.img: ARCH-x86/setup.S Makefile
 307         @$(GEN_MESSAGE)
 308         $(VERBOSE)$(CC) -traditional -nostdinc -nostdlib -DARCH_$(ARCH) -c $<
 309         $(VERBOSE)$(LD) -m elf_i386 -Ttext 0x0 -o $@ -s --oformat binary \
 310           -e begtext setup.o
 311         $(VERBOSE)dd if=/dev/zero bs=1 count=$$((3072 - `wc -c < setup.o.img`)) >> setup.o.img 2> /dev/null
 312         $(VERBOSE)chmod -x $@
 313
 314 # raw version without ELF, primarily useful for ARM
 315 $(BOOTSTRAP_RAW): $(TARGET_BIN)
 316         @$(GEN_MESSAGE)
 317         $(VERBOSE)cp $< $@.tmp
 318         $(VERBOSE)$(OBJCOPY) -O binary $@.tmp $@
 319         $(VERBOSE)chmod -x $@
 320         $(VERBOSE)$(RM) $@.tmp
 321
 322 %.gzip: %
 323         gzip -c9 $^ > $@
 324
 325 %.bzip2: %
 326         bzip2 -c9 $^ > $@
 327
 328 %.none: %
 329         ln -sf $^ $@
 330
 331 MKIMAGE_ARCH = $(if $(filter ppc32,$(ARCH)),ppc,$(ARCH))
 332
 333 # u-boot image, based on raw-version
 334 $(BOOTSTRAP_UIMAGE): $(BOOTSTRAP_RAW).$(BOOTSTRAP_UIMAGE_COMPRESSION)
 335         @$(GEN_MESSAGE)
 336         $(VERBOSE)$(MKIMAGE) -e $(call default_reloc,$(ARCH)) \
 337            -a $(call default_reloc,$(ARCH)) -A $(MKIMAGE_ARCH)  \
 338            -C $(BOOTSTRAP_UIMAGE_COMPRESSION) \
 339            -n "L4 Image #$$(cat .build_nr)" \
 340            -d $^ $@
 341
 342 $(TARGET): $(LDSCRIPT) $(OBJS_$(TARGET))
 343
 344
 345 increment_build_nr = \
 346    $(shell if [ -e .build_nr ]; then            \
 347              nr=$$(($$(cat .build_nr) + 1));    \
 348            else                                 \
 349              nr=1;                              \
 350            fi;                                  \
 351            echo $$nr > .build_nr; echo $$nr)
 352
 353
 354 startup.o: $(STARTUP_C_dep)
 355 startup.o: CPPFLAGS += -DBUILD_DATE="\"$(shell date)\"" -DBUILD_NR=\"$(call increment_build_nr)\"
 356
 357 $(LDSCRIPT): $(LDSCRIPT).in $(GENERAL_D_LOC) $(BOOTSTRAP_LD_dep)
 358         @$(GEN_MESSAGE)
 359         $(VERBOSE)$(SYSTEM_TARGET)cpp -P $(CPPFLAGS) -DLINKADDR=$(strip $(call default_reloc,$(ARCH))) $< $@;
 360
 361 clean::
 362         $(VERBOSE)$(RM) mod.make.inc mod*.bin mbi_modules.bin $(LDSCRIPT)
 363         $(VERBOSE)$(RM) setup.o.img bootsect.o.img
 364         $(VERBOSE)$(RM) mod*.bin
 365         $(VERBOSE)$(RM) $(SRC32_C:.c=.o32) $(SRC32_S:.S=.o32)
 366         $(VERBOSE)$(RM) .redo-change-tracker
 367
 368 cleanall::
 369         $(VERBOSE)$(RM) $(od)bootstrap_* $(od)bootstrap.*
 370
 371 ifeq ($(ARCH),amd64)
 372
 373 vpath %.c             $(SRC_DIR)/ARCH-amd64
 374 vpath %.S             $(SRC_DIR)/ARCH-amd64
 375 vpath %.c             $(SRC_DIR)/ARCH-amd64/boot32
 376 vpath %.S             $(SRC_DIR)/ARCH-amd64/boot32
 377 vpath bootstrap.ld.in $(SRC_DIR)/ARCH-x86
 378
 379 SRC32_C          = boot_cpu.c boot_kernel.c load_elf.c minilibc_support.c
 380 SRC32_S          = boot.S boot_idt.S
 381 OBJ32            = $(SRC32_S:.S=.o32) $(SRC32_C:.c=.o32)
 382 CC32             = $(filter-out -m64, $(CC)) -m32
 383 CFLAGS32        := $(filter-out -m64, $(CFLAGS)) -m32
 384
 385 $(OBJ_DIR)/ARCH-amd64/libc32/OBJ-$(ARCH)_$(CPU)/libc32.a: FORCE
 386         $(VERBOSE)$(MAKE) O=$(OBJ_BASE) -C $(SRC_DIR)/ARCH-amd64/libc32
 387
 388 bootstrap32.elf: $(OBJ32) bootstrap32.bin $(OBJ_DIR)/ARCH-amd64/libc32/OBJ-$(ARCH)_$(CPU)/libc32.a
 389         @$(LINK_MESSAGE)
 390         $(VERBOSE)$(CC32) -o $@ -nostdlib -static \
 391           -Wl,-T,$(SRC_DIR)/ARCH-amd64/boot32/bootstrap32.ld,--gc-sections $^ -lgcc
 392         $(VERBOSE)chmod 755 $@
 393
 394 bootstrap: bootstrap32.elf
 395         $(VERBOSE)$(LN) -f $^ $@
 396
 397 bootstrap32.bin: $(BOOTSTRAP_ELF_NAME)
 398         @$(GEN_MESSAGE)
 399         $(VERBOSE)$(OBJCOPY) -S $< bootstrap64.bin
 400         $(VERBOSE)chmod -x bootstrap64.bin
 401         $(VERBOSE)$(OBJCOPY) -B i386 -I binary -O elf32-i386 bootstrap64.bin $@
 402
 403 %.o32: %.c
 404         @$(COMP_MESSAGE)
 405         $(VERBOSE)$(CC32) -o $@ -c $(DEPEND_FLAG) \
 406           $(CPPFLAGS) $(CFLAGS32) $(call absfilename,$<)
 407
 408 %.o32: %.S
 409         @$(COMP_MESSAGE)
 410         $(VERBOSE)$(CC32) -o $@ -c $(DEPEND_FLAG) \
 411           $(CPPFLAGS) $(CFLAGS32) $(call absfilename,$<)
 412
 413 clean cleanall::
 414         $(VERBOSE)PWD=$(call absfilename,$(SRC_DIR)/ARCH-amd64/libc32) \
 415           $(MAKE) -C $(SRC_DIR)/ARCH-amd64/libc32 $@
 416
 417 else
 418 bootstrap: $(BOOTSTRAP_ELF_NAME)
 419         $(VERBOSE)$(LN) -f $^ $@
 420 endif
 421
 422 INSTALL_TARGET := $(if $(od),,$(INSTALL_FILES))