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 iamge
  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 SUPPORT_CC_arm-sa1000      := platform/sa1000.cc
  70 SUPPORT_CC_arm-pxa         := platform/pxa.cc
  71 SUPPORT_CC_arm-integrator  := platform/integrator.cc
  72 SUPPORT_CC_arm-rv          := platform/rv.cc
  73 SUPPORT_CC_arm-rv_pbx      := platform/rv.cc
  74 SUPPORT_CC_arm-rv_vexpress := platform/rv_vexpress.cc
  75 SUPPORT_CC_arm-omap3evm    := platform/omap.cc
  76 SUPPORT_CC_arm-omap3_am33xx:= platform/omap.cc
  77 SUPPORT_CC_arm-beagleboard := platform/omap.cc
  78 SUPPORT_CC_arm-pandaboard  := platform/omap.cc
  79 SUPPORT_CC_arm-tegra2      := platform/tegra2.cc
  80 SUPPORT_CC_arm-imx21       := platform/imx.cc
  81 SUPPORT_CC_arm-imx35       := platform/imx.cc
  82 SUPPORT_CC_arm-imx51       := platform/imx.cc
  83 SUPPORT_CC_arm-imx6        := platform/imx.cc
  84 SUPPORT_CC_arm-om          := platform/om.cc
  85 SUPPORT_CC_arm-kirkwood    := platform/kirkwood.cc
  86 DEFAULT_RELOC_arm-imx21    := 0x00200000  # because of blob
  87
  88 ifneq ($(DEFAULT_RELOC_arm-$(PLATFORM_TYPE)),)
  89 DEFAULT_RELOC_arm         := $(DEFAULT_RELOC_arm-$(PLATFORM_TYPE))
  90 endif
  91
  92 SUPPORT_CC_ppc32-mpc5200  := platform/mpc5200.cc
  93
  94 SUPPORT_CC_x86-pc         := platform/x86_pc.cc
  95
  96 SUPPORT_CC_amd64-pc       := platform/x86_pc.cc
  97
  98 SUPPORT_CC_sparc-leon3    := platform/leon3.cc
  99
 100 SRC_C           += exec.c module.c
 101 SRC_CC          += region.cc startup.cc init_kip_v2.cc init_kip_v4.cc \
 102                    libc_support+.cc patch.cc koptions.cc
 103
 104 SRC_CC_x86      += ARCH-x86/reboot.cc
 105 SRC_CC_amd64    += ARCH-x86/reboot.cc
 106 SRC_C_x86       += base_critical.c
 107 SRC_C_amd64     += base_critical.c
 108 SRC_CC_arm      += ARCH-arm/reboot.cc
 109 SRC_CC_ppc32    += ARCH-ppc32/init_kip_v2-arch.cc \
 110                    ARCH-ppc32/reboot.cc
 111 SRC_CC_sparc    += ARCH-sparc/reboot.cc
 112 SRC_CC          += $(SUPPORT_CC_$(ARCH)-$(PLATFORM_TYPE))
 113 SRC_S           += ARCH-$(ARCH)/crt0.S
 114
 115 OPTS             = -g -Os $(CARCHFLAGS_$(ARCH)) $(CARCHFLAGS_$(ARCH)_$(CPU)) \
 116                    $(GCCNOFPU_$(ARCH))
 117 DEFINES         += -DRAM_BASE=$(RAM_BASE) -DL4_MINIMAL_LIBC=1
 118 DEFINES         += -DCMDLINE="\"$(BOOTSTRAP_CMDLINE)\""
 119 DEFINES         += -DPLATFORM_TYPE=\"$(PLATFORM_TYPE)\"
 120 DEFINES         += -DPLATFORM_TYPE_$(PLATFORM_TYPE)
 121
 122 MOD_ADDR         = 0x02000000
 123
 124 CPPFLAGS        += $(CPPFLAGS_$(ARCH)-$(PLATFORM_TYPE))
 125 CPPFLAGS        += $(BID_PKG_CONFIG_CFLAGS)
 126
 127 ifeq ($(filter clean cleanall,$(MAKECMDGOALS)),)
 128 ifeq ($(SUPPORT_CC_$(ARCH)-$(PLATFORM_TYPE)),)
 129   $(info ERROR: PLATFORM_TYPE=$(PLATFORM_TYPE) has no assigned platform support file)
 130   $(info ERROR: A proper PLATFORM_TYPE must be set for a build)
 131   $(error .)
 132 endif
 133 endif
 134
 135 DRV_LIBS-ppc32   = -ldrivers_of
 136 DRV_LIBS         = -ldrivers_uart $(DRV_LIBS-$(ARCH))
 137 CRT0             =
 138 LDSCRIPT         = bootstrap.ld
 139 LDNMAGIC         =
 140
 141 vpath bootstrap.ld.in $(SRC_DIR)/ARCH-$(ARCH)
 142
 143 # can be overwritten by Makeconf.local
 144 COMPRESS        ?= 0
 145 LOADER_MBI      ?= 0
 146 REALMODE_LOADING ?= 0
 147 RML             ?= 0
 148
 149 ifneq ($(REALMODE_LOADING)$(RML),00)
 150 REALMODE_LOADING := 1
 151 $(error Info: Default reloc needs to be 0x00100000)
 152 # And if you have done so you probably need to relink sigma0 and/or moe
 153 endif
 154
 155 ifeq ($(ARCH),arm)
 156 LOADER_MBI       := 1
 157 CPPFLAGS         += -DSINGLE_SECTION
 158 endif
 159
 160
 161 # convenience
 162 ifneq ($(E),)
 163 ENTRY           := $(E)
 164 endif
 165
 166 ENTRY_FN := $(shell echo "$(ENTRY)" | tr '[ ]' '[_]' )
 167
 168
 169 ifneq ($(ENTRY),)
 170  ifeq ($(filter clean cleanall,$(MAKECMDGOALS)),)
 171   BUILD_MOD_CMD = ( SEARCHPATH="$(BOOTSTRAP_SEARCH_PATH):$(BOOTSTRAP_MODULE_PATH_BINLIB)" \
 172                     CROSS_COMPILE=$(SYSTEM_TARGET) MAKE_INC_FILE=$(PWD)/mod.make.inc \
 173                     OUTPUT_DIR="$(BOOTSTRAP_OUTPUT_DIR)" \
 174                     OPT_ARCH=$(ARCH) OPT_COMPRESS=$(COMPRESS) L4DIR=$(L4DIR) \
 175                     $(SRC_DIR)/build.pl $(1) $(BOOTSTRAP_MODULES_LIST) "$(ENTRY)" || \
 176                     (echo "processing-of-module-list-failed"; exit 1))
 177  endif
 178 endif
 179
 180
 181 # we need to re-do if some things change
 182 .redo-change-tracker: FORCE
 183         $(VERBOSE)echo "$(ENTRY) '$(COMPRESS)' '$(BOOTSTRAP_CMDLINE)' '$(BOOTSTRAP_SEARCH_PATH):$(BOOTSTRAP_MODULE_PATH_BINLIB)' '$(RAM_SIZE_MB)' '$(PLATFORM_TYPE)' '$(LOADER_MBI)' '$(od)'" > $@.tmp
 184         $(if $(BUILD_MOD_CMD),$(VERBOSE)$(call BUILD_MOD_CMD,dump) >> $@.tmp)
 185         $(VERBOSE)if  test ! -r "$@" || ! cmp -s $@ $@.tmp; then \
 186           mv $@.tmp $@;  \
 187         else \
 188           rm $@.tmp; \
 189         fi
 190
 191 ifneq ($(ENTRY),)
 192
 193 INSTALL_FILES  = $(BOOTSTRAP_ELF_NAME) bootstrap_$(ENTRY_FN) bootstrap_$(ENTRY_FN).elf
 194 ifeq ($(ARCH),amd64)
 195 INSTALL_FILES += bootstrap32.elf
 196 BOOTSTRAP_LINK_SOURCE = bootstrap32.elf
 197 else
 198 BOOTSTRAP_LINK_SOURCE = $(BOOTSTRAP_ELF_NAME)
 199 endif
 200
 201 $(od)bootstrap_$(ENTRY_FN): $(od)$(BOOTSTRAP_LINK_SOURCE)
 202         $(VERBOSE)$(LN) -f $< $@
 203
 204 $(od)bootstrap_$(ENTRY_FN).elf: $(od)$(BOOTSTRAP_LINK_SOURCE)
 205         $(VERBOSE)$(LN) -f $< $@
 206
 207 $(od)bootstrap_$(ENTRY_FN).raw: $(od)bootstrap.raw
 208         $(VERBOSE)$(LN) -f $< $@
 209
 210 $(od)bootstrap_$(ENTRY_FN).uimage: $(od)bootstrap.uimage
 211         $(VERBOSE)$(LN) -f $< $@
 212
 213  ifeq ($(ARCH),$(filter $(ARCH),arm ppc32))
 214    BID_POST_PROG_LINK_MSG_$(BOOTSTRAP_ELF_NAME) = echo -e "  ==> Post-processing $@"
 215    BID_POST_PROG_LINK_$(BOOTSTRAP_ELF_NAME)     = \
 216       $(VERBOSE)LANG=C $(NM) -C $@ | \
 217         LANG=C $(GREP) -q "V vtable for Platform_base" || \
 218            { echo -e "\nERROR: Missing at least one platform instantiation.\n"; \
 219              exit 1; } ; $(if $(BOOTSTRAP_NO_STRIP),,$(STRIP) $@)
 220
 221    ifneq ($(BOOTSTRAP_DO_RAW_IMAGE)$(BOOTSTRAP_DO_UIMAGE),)
 222      BOOTSTRAP_RAW      := $(od)bootstrap.raw
 223      INSTALL_FILES      += bootstrap.raw bootstrap_$(ENTRY_FN).raw
 224      ifneq ($(BOOTSTRAP_DO_UIMAGE),)
 225        ifneq ($(shell command -v $(MKIMAGE)),)
 226          BOOTSTRAP_UIMAGE := $(od)bootstrap.uimage
 227          INSTALL_FILES    += bootstrap.uimage bootstrap_$(ENTRY_FN).uimage
 228        else
 229          $(error mkimage($(MKIMAGE)) host tool missing, cannot build bootstrap.uimage)
 230        endif
 231      endif
 232    endif
 233  endif
 234
 235 all:: $(addprefix $(IMAGES_DIR)/,$(INSTALL_FILES))
 236         $(VERBOSE)echo "  Image size(s) in bytes:"
 237         $(VERBOSE)for f in $(filter bootstrap_$(ENTRY_FN).elf bootstrap.raw bootstrap.uimage, $(INSTALL_FILES)); do \
 238           find $(if $(od),$(od),.) -name $$f -printf " %30f:  %s\n"; \
 239         done
 240         $(if $(LDFLAGS_bootstrap.elf),$(VERBOSE)echo "  Start address: $(patsubst --defsym=__executable_start=%,%,$(LDFLAGS_bootstrap.elf))")
 241         $(VERBOSE)echo "  --> Build-Nr: $$(cat .build_nr)"
 242
 243 # install images into easy to reach directory in build dir
 244 $(IMAGES_DIR)/%: $(od)%
 245         $(VERBOSE)if [ "$(ENTRY)" != "auto-build-entry" ]; then \
 246           echo "  ==> Installing $< in image directory";        \
 247           (cd $(dir $@) && $(LN) -sf $(if $(od),,$(PWD)/)$<);   \
 248         fi
 249 else
 250   INSTALL_FILES = bootstrap
 251 endif # ENTRY
 252
 253 ifneq ($(REALMODE_LOADING),0)
 254 LOADER_MBI       = 1
 255 CPPFLAGS        += -DREALMODE_LOADING -DSINGLE_SECTION
 256 # don't install bootstrap_$(ENTRY_FN).elf
 257 INSTALL_FILES    = bootstrap.load
 258 endif
 259
 260 ifneq ($(LOADER_MBI),0)
 261 SRC_CC          += loader_mbi.cc
 262 MOD_ADDR         = 0x00150000
 263 CPPFLAGS        += -DLOADER_MBI
 264 endif
 265
 266 ifneq ($(COMPRESS),0)
 267 SRC_C           += uncompress.c gunzip.c
 268 CPPFLAGS        += -DCOMPRESS
 269 else
 270 CPPFLAGS        += -DPLACE_MODULES_AT_MODADDR
 271 endif
 272
 273 ifneq ($(RAM_SIZE_MB),)
 274 CPPFLAGS        += -DRAM_SIZE_MB=$(RAM_SIZE_MB)
 275 endif
 276
 277 CXXFLAGS += -fno-rtti -fno-exceptions
 278 CXXFLAGS += $(call checkcxx,-fno-threadsafe-statics)
 279
 280 ifneq ($(BUILD_MOD_CMD),)
 281  ifeq ($(filter clean cleanall,$(MAKECMDGOALS)),)
 282
 283 processing-of-module-list-failed:
 284         @echo
 285         @echo "  Processing of $(BOOTSTRAP_MODULES_LIST) failed!"
 286         @echo
 287         @exit 1
 288
 289 mod.make.inc $(od)mbi_modules.bin: $(GENERAL_D_LOC) $(shell $(call BUILD_MOD_CMD,list))
 290         @echo Building entry \""$(ENTRY)"\".
 291         $(VERBOSE)$(call BUILD_MOD_CMD,build)
 292
 293   -include mod.make.inc
 294   BOOTSTRAP_LD_dep             += mod.make.inc
 295   STARTUP_C_dep                := mod.make.inc
 296   OBJS_$(od)$(BOOTSTRAP_ELF_NAME)   += $(MODULE_OBJECT_FILES)
 297  endif
 298
 299  CPPFLAGS                     += -DIMAGE_MODE
 300 endif
 301
 302 CPPFLAGS        += -DMODADDR=$(MOD_ADDR)
 303
 304 LIBS             =
 305 L4_LIBS          = -static -nostdlib $(DRV_LIBS) -lcxx_base -lcxx_io
 306 L4_LIBS         += -luc_c_minimal $(GCCLIB)
 307
 308 all:: $(BOOTSTRAP_RAW)
 309
 310 # image for use with pxelinux
 311 bootstrap.load: $(TARGET_BIN) bootsect.o.img setup.o.img
 312         @$(GEN_MESSAGE)
 313         $(VERBOSE)objcopy -O binary -R .note -R .comment -S $< $<.load.bin
 314         $(VERBOSE)cat bootsect.o.img setup.o.img $<.load.bin > $@
 315
 316 bootsect.o.img: ARCH-x86/bootsect.S Makefile
 317         @$(GEN_MESSAGE)
 318         $(VERBOSE)$(CC) -traditional -nostdinc -nostdlib -c $<
 319         $(VERBOSE)$(LD) -m elf_i386 -Ttext 0x0 -o $@ -s --oformat binary \
 320           bootsect.o
 321         $(VERBOSE)chmod -x $@
 322
 323 setup.o.img: ARCH-x86/setup.S Makefile
 324         @$(GEN_MESSAGE)
 325         $(VERBOSE)$(CC) -traditional -nostdinc -nostdlib -DARCH_$(ARCH) -c $<
 326         $(VERBOSE)$(LD) -m elf_i386 -Ttext 0x0 -o $@ -s --oformat binary \
 327           -e begtext setup.o
 328         $(VERBOSE)dd if=/dev/zero bs=1 count=$$((3072 - `wc -c < setup.o.img`)) >> setup.o.img 2> /dev/null
 329         $(VERBOSE)chmod -x $@
 330
 331 # raw version without ELF, primarily useful for ARM
 332 $(BOOTSTRAP_RAW): $(TARGET_BIN)
 333         @$(GEN_MESSAGE)
 334         $(VERBOSE)cp $< $@.tmp
 335         $(VERBOSE)$(OBJCOPY) -O binary $@.tmp $@
 336         $(VERBOSE)chmod -x $@
 337         $(VERBOSE)$(RM) $@.tmp
 338
 339 %.gzip: %
 340         gzip -c9 $^ > $@
 341
 342 %.bzip2: %
 343         bzip2 -c9 $^ > $@
 344
 345 %.none: %
 346         ln -sf $^ $@
 347
 348 MKIMAGE_ARCH = $(if $(filter ppc32,$(ARCH)),ppc,$(ARCH))
 349
 350 # u-boot image, based on raw-version
 351 $(BOOTSTRAP_UIMAGE): $(BOOTSTRAP_RAW).$(BOOTSTRAP_UIMAGE_COMPRESSION)
 352         @$(GEN_MESSAGE)
 353         $(VERBOSE)$(MKIMAGE) -e $(call default_reloc,$(ARCH)) \
 354            -a $(call default_reloc,$(ARCH)) -A $(MKIMAGE_ARCH)  \
 355            -C $(BOOTSTRAP_UIMAGE_COMPRESSION) \
 356            -n "L4 Image #$$(cat .build_nr)" \
 357            -d $^ $@
 358
 359 $(TARGET): $(LDSCRIPT) $(OBJS_$(TARGET))
 360
 361
 362 increment_build_nr = \
 363    $(shell if [ -e .build_nr ]; then            \
 364              nr=$$(($$(cat .build_nr) + 1));    \
 365            else                                 \
 366              nr=1;                              \
 367            fi;                                  \
 368            echo $$nr > .build_nr; echo $$nr)
 369
 370
 371 startup.o: $(STARTUP_C_dep)
 372 startup.o: CPPFLAGS += -DBUILD_DATE="\"$(shell date)\"" -DBUILD_NR=\"$(call increment_build_nr)\"
 373
 374 $(LDSCRIPT): $(LDSCRIPT).in $(GENERAL_D_LOC) $(BOOTSTRAP_LD_dep)
 375         @$(GEN_MESSAGE)
 376         $(VERBOSE)$(SYSTEM_TARGET)cpp -P $(CPPFLAGS) -DLINKADDR=$(strip $(call default_reloc,$(ARCH))) $< $@;
 377
 378 clean::
 379         $(VERBOSE)$(RM) mod.make.inc mod*.bin mbi_modules.bin $(LDSCRIPT)
 380         $(VERBOSE)$(RM) setup.o.img bootsect.o.img
 381         $(VERBOSE)$(RM) mod*.bin
 382         $(VERBOSE)$(RM) $(SRC32_C:.c=.o32) $(SRC32_S:.S=.o32)
 383         $(VERBOSE)$(RM) .redo-change-tracker
 384
 385 cleanall::
 386         $(VERBOSE)$(RM) $(od)bootstrap_* $(od)bootstrap.*
 387
 388 ifeq ($(ARCH),amd64)
 389
 390 vpath %.c             $(SRC_DIR)/ARCH-amd64
 391 vpath %.S             $(SRC_DIR)/ARCH-amd64
 392 vpath %.c             $(SRC_DIR)/ARCH-amd64/boot32
 393 vpath %.S             $(SRC_DIR)/ARCH-amd64/boot32
 394 vpath bootstrap.ld.in $(SRC_DIR)/ARCH-x86
 395
 396 SRC32_C          = boot_cpu.c boot_kernel.c load_elf.c minilibc_support.c
 397 SRC32_S          = boot.S boot_idt.S
 398 OBJ32            = $(SRC32_S:.S=.o32) $(SRC32_C:.c=.o32)
 399 CC32             = $(filter-out -m64, $(CC)) -m32
 400 CFLAGS32        := $(filter-out -m64, $(CFLAGS)) -m32
 401
 402 $(OBJ_DIR)/ARCH-amd64/libc32/OBJ-$(ARCH)_$(CPU)/libc32.a: FORCE
 403         $(VERBOSE)$(MAKE) O=$(OBJ_BASE) -C $(SRC_DIR)/ARCH-amd64/libc32
 404
 405 bootstrap32.elf: $(OBJ32) bootstrap32.bin $(OBJ_DIR)/ARCH-amd64/libc32/OBJ-$(ARCH)_$(CPU)/libc32.a
 406         @$(LINK_MESSAGE)
 407         $(VERBOSE)$(CC32) -o $@ -nostdlib -static \
 408           -Wl,-T,$(SRC_DIR)/ARCH-amd64/boot32/bootstrap32.ld,--gc-sections $^ -lgcc
 409         $(VERBOSE)chmod 755 $@
 410
 411 bootstrap: bootstrap32.elf
 412         $(VERBOSE)$(LN) -f $^ $@
 413
 414 bootstrap32.bin: $(BOOTSTRAP_ELF_NAME)
 415         @$(GEN_MESSAGE)
 416         $(VERBOSE)$(OBJCOPY) -S $< bootstrap64.bin
 417         $(VERBOSE)chmod -x bootstrap64.bin
 418         $(VERBOSE)$(OBJCOPY) -B i386 -I binary -O elf32-i386 bootstrap64.bin $@
 419
 420 %.o32: %.c
 421         @$(COMP_MESSAGE)
 422         $(VERBOSE)$(CC32) -o $@ -c $(DEPEND_FLAG) \
 423           $(CPPFLAGS) $(CFLAGS32) $(call absfilename,$<)
 424
 425 %.o32: %.S
 426         @$(COMP_MESSAGE)
 427         $(VERBOSE)$(CC32) -o $@ -c $(DEPEND_FLAG) \
 428           $(CPPFLAGS) $(CFLAGS32) $(call absfilename,$<)
 429
 430 clean cleanall::
 431         $(VERBOSE)PWD=$(call absfilename,$(SRC_DIR)/ARCH-amd64/libc32) \
 432           $(MAKE) -C $(SRC_DIR)/ARCH-amd64/libc32 $@
 433
 434 else
 435 bootstrap: $(BOOTSTRAP_ELF_NAME)
 436         $(VERBOSE)$(LN) -f $^ $@
 437 endif
 438
 439 INSTALL_TARGET := $(if $(od),,$(INSTALL_FILES))