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_OMIT_RAW
   8 # - BOOTSTRAP_OMIT_UIMAGE
   9 # - BOOTSTRAP_UIMAGE_COMPRESSION: set to none, gzip, or bzip2
  10 # - BOOTSTRAP_CMDLINE: compiled-in command line, only used if no cmdline
  11 #                      given via multi-boot boot loader (e.g. on arm)
  12
  13 DEFAULT_RELOC_arm   := 0x01000000
  14 DEFAULT_RELOC_x86   := 0x002d0000
  15 DEFAULT_RELOC_amd64 := 0x002d0000
  16 DEFAULT_RELOC_ppc32 := 0x002d0000
  17 RELOC_PHYS          := y
  18 LDFLAGS              = -Bstatic
  19 EXTRA_GENERAL_D_DEP  = .redo-change-tracker
  20 INCLUDE_MAKE_RULES   = $(SRC_DIR)/*/Make.rules
  21 BOOTSTRAP_LD_dep    := $(SRC_DIR)/ldscript.inc
  22 #REQUIRES_LIBS        = libbsd-lite
  23
  24 include $(L4DIR)/mk/Makeconf
  25 -include $(OBJ_DIR)/Makeconf.local
  26 -include $(L4DIR)/conf/Makeconf.bootstrap
  27 -include $(OBJ_BASE)/Makeconf.bootstrap
  28
  29 BOOTSTRAP_SEARCH_PATH        ?= .
  30 BOOTSTRAP_MODULES_LIST       ?= $(SRC_DIR)/modules.list
  31 BOOTSTRAP_MODULE_PATH_BINLIB ?= $(OBJ_BASE)/bin/$(SYSTEM)/$(BUILD_ABI):$(OBJ_BASE)/lib/$(SYSTEM)/$(BUILD_ABI):$(OBJ_BASE)/lib/$(SYSTEM)
  32 BOOTSTRAP_ELF_NAME           ?= bootstrap.elf
  33 MKIMAGE                      ?= mkimage
  34 BOOTSTRAP_UIMAGE_COMPRESSION ?= none
  35
  36 ifeq ($(BUILD_ARCH),$(filter $(BUILD_ARCH),arm ppc32))
  37   # ARM/PPC always uses single image mode
  38   # when no entry is given we build the useless auto-build target
  39   ifeq ($(E)$(ENTRY),)
  40     BOOTSTRAP_ELF_NAME := bootstrap.auto-build-useless.elf
  41   endif
  42   ENTRY := auto-build-entry
  43 endif
  44
  45
  46 PRIVATE_INCDIR   = $(SRC_DIR) $(SRC_DIR)/ARCH-$(ARCH)
  47
  48 # special include directories only needed for <l4/sys/kernel.h>
  49 PRIVATE_INCDIR_init_kip_v2.o      = $(OBJ_BASE)/include/$(ARCH)/l4f \
  50                                     $(DROPS_STDDIR)/include/$(ARCH)/l4f
  51 PRIVATE_INCDIR_init_arm_kip.o     = $(OBJ_BASE)/include/$(ARCH)/l4f \
  52                                     $(DROPS_STDDIR)/include/$(ARCH)/l4f
  53
  54 TARGET          := $(BOOTSTRAP_ELF_NAME)
  55 TARGET_BIN       = $(BOOTSTRAP_ELF_NAME)
  56 MODE             = lib
  57
  58 ifeq ($(PLATFORM_TYPE),)
  59 ifeq ($(X86_PLATFORM_TYPE),)
  60 X86_PLATFORM_TYPE = pc
  61 endif
  62
  63 PLATFORM_TYPE-arm   = $(ARM_PLATFORM_TYPE)
  64 PLATFORM_TYPE-ppc32 = $(PPC_PLATFORM_TYPE)
  65 PLATFORM_TYPE-x86   = $(X86_PLATFORM_TYPE)
  66 PLATFORM_TYPE-amd64 = $(X86_PLATFORM_TYPE)
  67 PLATFORM_TYPE       = $(PLATFORM_TYPE-$(ARCH))
  68 endif
  69
  70 SUPPORT_CC_arm-sa1000     := support_sa1000.cc
  71 SUPPORT_CC_arm-pxa        := support_pxa.cc
  72 SUPPORT_CC_arm-integrator := support_integrator.cc
  73 SUPPORT_CC_arm-rv         := support_rv.cc
  74 SUPPORT_CC_arm-omap3evm   := support_omap3evm.cc
  75 SUPPORT_CC_arm-beagleboard:= support_beagleboard.cc
  76 SUPPORT_CC_arm-tegra2     := support_tegra2.cc
  77 SUPPORT_CC_arm-imx21      := support_imx.cc
  78 SUPPORT_CC_arm-imx51      := support_imx.cc
  79 SUPPORT_CC_arm-om         := support_om.cc
  80 SUPPORT_CC_arm-kirkwood   := support_kirkwood.cc
  81 DEFAULT_RELOC_arm-imx21   := 0x00200000  # because of blob
  82
  83 ifneq ($(DEFAULT_RELOC_arm-$(PLATFORM_TYPE)),)
  84 DEFAULT_RELOC_arm         := $(DEFAULT_RELOC_arm-$(PLATFORM_TYPE))
  85 endif
  86
  87 SUPPORT_CC_ppc32-mpc5200  := support_mpc5200.cc
  88
  89 SUPPORT_CC_x86-pc         := support_x86_pc.cc
  90
  91 SUPPORT_CC_amd64-pc       := support_x86_pc.cc
  92
  93 SRC_C           += exec.c module.c
  94 SRC_CC          += region.cc startup.cc init_kip_v2.cc init_kip_v4.cc \
  95                    libc_support+.cc patch.cc
  96
  97 SRC_CC_x86      += ARCH-x86/reboot.cc
  98 SRC_CC_amd64    += ARCH-x86/reboot.cc
  99 SRC_C_x86       += base_critical.c ARCH-x86/serial.c
 100 SRC_C_amd64     += base_critical.c ARCH-x86/serial.c
 101 SRC_CC_arm      += ARCH-arm/reboot.cc
 102 SRC_CC_ppc32    += ARCH-ppc32/init_kip_v2-arch.cc \
 103                    ARCH-ppc32/reboot.cc
 104 SRC_CC          += $(SUPPORT_CC_$(ARCH)-$(PLATFORM_TYPE))
 105 SRC_S           += ARCH-$(ARCH)/crt0.S
 106
 107 OPTS             = -g -Os $(CARCHFLAGS_$(ARCH)) $(CARCHFLAGS_$(ARCH)_$(CPU))
 108 DEFINES         += -DRAM_BASE=$(RAM_BASE)
 109 DEFINES         += -DCMDLINE="\"$(BOOTSTRAP_CMDLINE)\""
 110 DEFINES         += -DPLATFORM_TYPE=\"$(PLATFORM_TYPE)\"
 111 DEFINES         += -DPLATFORM_TYPE_$(PLATFORM_TYPE)
 112
 113 MOD_ADDR         = 0x02000000
 114
 115 CPPFLAGS        += $(BID_PKG_CONFIG_CFLAGS)
 116
 117 ifeq ($(SUPPORT_CC_$(ARCH)-$(PLATFORM_TYPE)),)
 118  $(error A proper PLATFORM_TYPE must be set for a build.)
 119 endif
 120
 121 DRV_LIBS-ppc32   = -ldrivers_of
 122 DRV_LIBS         = -ldrivers_uart $(DRV_LIBS-$(ARCH))
 123 CRT0             =
 124 LDSCRIPT         = bootstrap.ld
 125 LDNMAGIC         =
 126
 127 vpath bootstrap.ld.in $(SRC_DIR)/ARCH-$(ARCH)
 128
 129 # can be overwritten by Makeconf.local
 130 COMPRESS        ?= 0
 131 LOADER_MBI      ?= 0
 132 REALMODE_LOADING ?= 0
 133 RML             ?= 0
 134
 135 ifneq ($(REALMODE_LOADING)$(RML),00)
 136 REALMODE_LOADING := 1
 137 $(error Info: Default reloc needs to be 0x00100000)
 138 # And if you have done so you probably need to relink sigma0 and/or moe
 139 endif
 140
 141 ifeq ($(ARCH),arm)
 142 LOADER_MBI       := 1
 143 CPPFLAGS         += -DSINGLE_SECTION
 144 endif
 145
 146
 147 # convenience
 148 ifneq ($(E),)
 149 ENTRY           := $(E)
 150 endif
 151
 152 ENTRY_FN := $(shell echo "$(ENTRY)" | tr '[ ]' '[_]' )
 153
 154 # we need to re-do if some things change
 155 # we do not need to track BOOTSTRACE_CMDLINE as it's only used in startup.cc
 156 # and that is regenerated every time
 157 REDO_TEXT_CMD = echo "$(ENTRY) '$(COMPRESS)' '$(RAM_SIZE_MB)' '$(PLATFORM_TYPE)' '$(LOADER_MBI)'"
 158 .redo-change-tracker: FORCE
 159         $(VERBOSE)if  test ! -r "$@" ||                    \
 160                     ! $(REDO_TEXT_CMD) | cmp -s "$@"; then \
 161           $(REDO_TEXT_CMD) > $@;  \
 162         fi
 163
 164 ifneq ($(ENTRY),)
 165
 166 INSTALL_TARGET  = $(BOOTSTRAP_ELF_NAME) bootstrap_$(ENTRY_FN) bootstrap_$(ENTRY_FN).elf
 167 ifeq ($(ARCH),amd64)
 168 INSTALL_TARGET += bootstrap32.elf
 169 BOOTSTRAP_LINK_SOURCE = bootstrap32.elf
 170 else
 171 BOOTSTRAP_LINK_SOURCE = $(BOOTSTRAP_ELF_NAME)
 172 endif
 173
 174 bootstrap_$(ENTRY_FN): $(BOOTSTRAP_LINK_SOURCE)
 175         $(VERBOSE)$(LN) -f $< $@
 176
 177 bootstrap_$(ENTRY_FN).elf: $(BOOTSTRAP_LINK_SOURCE)
 178         $(VERBOSE)$(LN) -f $< $@
 179
 180 bootstrap_$(ENTRY_FN).raw: bootstrap.raw
 181         $(VERBOSE)$(LN) -f $< $@
 182
 183 bootstrap_$(ENTRY_FN).uimage: bootstrap.uimage
 184         $(VERBOSE)$(LN) -f $< $@
 185
 186  ifeq ($(ARCH),$(filter $(ARCH),arm ppc32))
 187    BID_POST_PROG_LINK_MSG_$(BOOTSTRAP_ELF_NAME) = echo -e "  ==> Stripping $@"
 188    BID_POST_PROG_LINK_$(BOOTSTRAP_ELF_NAME)     = \
 189       $(VERBOSE)LANG=C $(NM) -C $@ | \
 190         LANG=C $(GREP) -q "V vtable for Platform_base" || \
 191            { echo -e "\nERROR: Missing at least one platform instantiation.\n"; \
 192              exit 1; } ; $(STRIP) $@
 193
 194    ifeq ($(BOOTSTRAP_OMIT_RAW),)
 195      BOOTSTRAP_RAW      := bootstrap.raw
 196      INSTALL_TARGET     += bootstrap.raw bootstrap_$(ENTRY_FN).raw
 197      ifeq ($(BOOTSTRAP_OMIT_UIMAGE),)
 198        ifneq ($(shell command -v $(MKIMAGE)),)
 199          BOOTSTRAP_UIMAGE   := bootstrap.uimage
 200          INSTALL_TARGET     += bootstrap.uimage bootstrap_$(ENTRY_FN).uimage
 201        else
 202          $(info mkimage($(MKIMAGE)) missing, not building bootstrap.uimage)
 203        endif
 204      endif
 205    endif
 206  endif
 207
 208 all:: $(addprefix $(IMAGES_DIR)/,$(INSTALL_TARGET))
 209         $(VERBOSE)echo "Image size(s) in bytes:"
 210         $(VERBOSE)for f in $(filter bootstrap_$(ENTRY_FN).elf bootstrap.raw bootstrap.uimage, $(INSTALL_TARGET)); do \
 211           find . -name $$f -printf " %20f:  %s\n"; \
 212         done
 213         $(VERBOSE)echo "  --> Build-Nr: $$(cat .build_nr)"
 214
 215 # install images into easy to reach directory in build dir
 216 $(IMAGES_DIR)/%: % $(IMAGES_DIR)/Makefile
 217         $(VERBOSE)if [ "$(ENTRY)" != "auto-build-entry" ]; then \
 218           echo "  ==> Installing $< in image directory";        \
 219           $(LN) -sf $(PWD)/$< $(dir $@);                        \
 220         fi
 221
 222 $(IMAGES_DIR)/Makefile: $(SRC_DIR)/Make.rules
 223         @echo "  ==> Preparing image directory"
 224         $(VERBOSE)install -d $(dir $@)
 225         $(VERBOSE)$(ECHO) "# Automatically generated by bootstrap"                           > $@
 226         $(VERBOSE)$(ECHO) "\$$(if \$$(MAKECMDGOALS),%,a):"                                  >> $@
 227         $(VERBOSE)$(ECHO) "     \$$(MAKE) -C .. image \$$(if \$$(MAKECMDGOALS),E=\"\$$@\")" >> $@
 228 else
 229   INSTALL_TARGET = bootstrap
 230 endif # ENTRY
 231
 232 ifneq ($(REALMODE_LOADING),0)
 233 LOADER_MBI       = 1
 234 CPPFLAGS        += -DREALMODE_LOADING -DSINGLE_SECTION
 235 # don't install bootstrap_$(ENTRY_FN).elf
 236 INSTALL_TARGET   = bootstrap.load
 237 endif
 238
 239 ifneq ($(LOADER_MBI),0)
 240 SRC_CC          += loader_mbi.cc
 241 MOD_ADDR         = 0x00150000
 242 CPPFLAGS        += -DLOADER_MBI
 243 endif
 244
 245 ifneq ($(COMPRESS),0)
 246 SRC_C           += uncompress.c gunzip.c
 247 CPPFLAGS        += -DCOMPRESS
 248 else
 249 CPPFLAGS        += -DPLACE_MODULES_AT_MODADDR
 250 endif
 251
 252 ifneq ($(RAM_SIZE_MB),)
 253 CPPFLAGS        += -DRAM_SIZE_MB=$(RAM_SIZE_MB)
 254 endif
 255
 256 CXXFLAGS += -fno-rtti -fno-exceptions
 257 CXXFLAGS += $(call checkcxx,-fno-threadsafe-statics)
 258
 259 ifneq ($(ENTRY),)
 260  ifeq ($(filter clean cleanall,$(MAKECMDGOALS)),)
 261    $(info Building entry "$(ENTRY)".)
 262    BUILD_DUMMY := $(shell SEARCHPATH="$(BOOTSTRAP_SEARCH_PATH):$(BOOTSTRAP_MODULE_PATH_BINLIB)" \
 263                           CROSS_COMPILE=$(SYSTEM_TARGET) \
 264                    OPT_ARCH=$(ARCH) \
 265                    OPT_COMPRESS=$(COMPRESS) \
 266                    L4DIR=$(L4DIR) \
 267                           $(SRC_DIR)/build.pl $(BOOTSTRAP_MODULES_LIST) "$(ENTRY)" 1>&2 \
 268                     || echo X-build-failed-X)
 269    ifeq ($(BUILD_DUMMY),X-build-failed-X)
 270     $(error Processing of module list failed!)
 271    else
 272     BUILD_DUMMY := $(shell echo $(BUILD_DUMMY))
 273    endif
 274    # mod.make.inc is generated by build.pl
 275    include mod.make.inc
 276  endif
 277
 278  OBJS_$(BOOTSTRAP_ELF_NAME)   += $(MODULE_OBJECT_FILES)
 279  CPPFLAGS                     += -DIMAGE_MODE
 280  BOOTSTRAP_LD_dep             += mod.make.inc
 281  STARTUP_C_dep                := mod.make.inc
 282 endif
 283
 284 CPPFLAGS        += -DMODADDR=$(MOD_ADDR)
 285
 286 LIBS             =
 287 L4_LIBS          = -static -nostdlib $(DRV_LIBS) -lcxx_base -lcxx_io
 288 L4_LIBS         += -luc_c $(GCCLIB)
 289
 290 all:: $(BOOTSTRAP_RAW)
 291
 292 # image for use with pxelinux
 293 bootstrap.load: $(TARGET_BIN) bootsect.o.img setup.o.img
 294         @$(GEN_MESSAGE)
 295         $(VERBOSE)objcopy -O binary -R .note -R .comment -S $< $<.load.bin
 296         $(VERBOSE)cat bootsect.o.img setup.o.img $<.load.bin > $@
 297
 298 bootsect.o.img: ARCH-x86/bootsect.S Makefile
 299         @$(GEN_MESSAGE)
 300         $(VERBOSE)$(CC) -traditional -nostdinc -nostdlib -c $<
 301         $(VERBOSE)$(LD) -m elf_i386 -Ttext 0x0 -o $@ -s --oformat binary \
 302           bootsect.o
 303         $(VERBOSE)chmod -x $@
 304
 305 setup.o.img: ARCH-x86/setup.S Makefile
 306         @$(GEN_MESSAGE)
 307         $(VERBOSE)$(CC) -traditional -nostdinc -nostdlib -DARCH_$(ARCH) -c $<
 308         $(VERBOSE)$(LD) -m elf_i386 -Ttext 0x0 -o $@ -s --oformat binary \
 309           -e begtext setup.o
 310         $(VERBOSE)dd if=/dev/zero bs=1 count=$$((3072 - `wc -c < setup.o.img`)) >> setup.o.img 2> /dev/null
 311         $(VERBOSE)chmod -x $@
 312
 313 # raw version without ELF, primarily useful for ARM
 314 $(BOOTSTRAP_RAW): $(TARGET_BIN)
 315         @$(GEN_MESSAGE)
 316         $(VERBOSE)cp $< $@.tmp
 317         $(VERBOSE)$(OBJCOPY) -O binary $@.tmp $@
 318         $(VERBOSE)$(RM) $@.tmp
 319
 320 %.gzip: %
 321         gzip -c9 $^ > $@
 322
 323 %.bzip2: %
 324         bzip2 -c9 $^ > $@
 325
 326 %.none: %
 327         ln -sf $^ $@
 328
 329 MKIMAGE_ARCH = $(if $(filter ppc32,$(ARCH)),ppc,$(ARCH))
 330
 331 # u-boot image, based on raw-version
 332 $(BOOTSTRAP_UIMAGE): $(BOOTSTRAP_RAW).$(BOOTSTRAP_UIMAGE_COMPRESSION)
 333         @$(GEN_MESSAGE)
 334         $(VERBOSE)$(MKIMAGE) -e $(call default_reloc,$(ARCH)) \
 335            -a $(call default_reloc,$(ARCH)) -A $(MKIMAGE_ARCH)  \
 336            -C $(BOOTSTRAP_UIMAGE_COMPRESSION) \
 337            -d $^ $@
 338
 339 $(TARGET): $(LDSCRIPT) $(OBJS_$(TARGET))
 340
 341
 342 increment_build_nr = \
 343    $(shell if [ -e .build_nr ]; then            \
 344              nr=$$(($$(cat .build_nr) + 1));    \
 345            else                                 \
 346              nr=1;                              \
 347            fi;                                  \
 348            echo $$nr > .build_nr; echo $$nr)
 349
 350
 351 startup.o: $(STARTUP_C_dep)
 352 startup.o: CPPFLAGS += -DBUILD_DATE="\"$(shell date)\"" -DBUILD_NR=\"$(call increment_build_nr)\"
 353
 354 $(LDSCRIPT): $(LDSCRIPT).in $(GENERAL_D_LOC) $(BOOTSTRAP_LD_dep)
 355         @$(GEN_MESSAGE)
 356         $(VERBOSE)cpp -P $(CPPFLAGS) -DLINKADDR=$(DEFAULT_RELOC_$(ARCH)) $< $@;
 357
 358 clean::
 359         $(VERBOSE)$(RM) mod.make.inc mod*.bin mbi_modules.bin $(LDSCRIPT)
 360         $(VERBOSE)$(RM) setup.o.img bootsect.o.img
 361         $(VERBOSE)$(RM) mod*.bin
 362         $(VERBOSE)$(RM) $(SRC32_C:.c=.o32) $(SRC32_S:.S=.o32)
 363         $(VERBOSE)$(RM) .redo-change-tracker
 364
 365 cleanall::
 366         $(VERBOSE)$(RM) bootstrap_* bootstrap.*
 367
 368 ifeq ($(ARCH),amd64)
 369
 370 vpath %.c             $(SRC_DIR)/ARCH-amd64
 371 vpath %.S             $(SRC_DIR)/ARCH-amd64
 372 vpath %.c             $(SRC_DIR)/ARCH-amd64/boot32
 373 vpath %.S             $(SRC_DIR)/ARCH-amd64/boot32
 374 vpath bootstrap.ld.in $(SRC_DIR)/ARCH-x86
 375
 376 SRC32_C          = boot_cpu.c boot_kernel.c load_elf.c minilibc_support.c
 377 SRC32_S          = boot.S boot_idt.S
 378 OBJ32            = $(SRC32_S:.S=.o32) $(SRC32_C:.c=.o32)
 379 CC32             = $(filter-out -m64, $(CC)) -m32
 380 CFLAGS32        := $(filter-out -m64, $(CFLAGS)) -m32
 381
 382 $(OBJ_DIR)/ARCH-amd64/libc32/OBJ-$(ARCH)_$(CPU)/libc32.a: FORCE
 383         $(VERBOSE)$(MAKE) O=$(OBJ_BASE) -C $(SRC_DIR)/ARCH-amd64/libc32
 384
 385 bootstrap32.elf: $(OBJ32) bootstrap32.bin $(OBJ_DIR)/ARCH-amd64/libc32/OBJ-$(ARCH)_$(CPU)/libc32.a
 386         @$(LINK_MESSAGE)
 387         $(VERBOSE)$(CC32) -o $@ -nostdlib -static \
 388           -Wl,-T,$(SRC_DIR)/ARCH-amd64/boot32/bootstrap32.ld,--gc-sections $^ -lgcc
 389         $(VERBOSE)chmod 755 $@
 390
 391 bootstrap: bootstrap32.elf
 392         $(VERBOSE)$(LN) -f $^ $@
 393
 394 bootstrap32.bin: $(BOOTSTRAP_ELF_NAME)
 395         @$(GEN_MESSAGE)
 396         $(VERBOSE)$(OBJCOPY) -S $< bootstrap64.bin
 397         $(VERBOSE)chmod -x bootstrap64.bin
 398         $(VERBOSE)$(OBJCOPY) -B i386 -I binary -O elf32-i386 bootstrap64.bin $@
 399
 400 %.o32: %.c
 401         @$(COMP_MESSAGE)
 402         $(VERBOSE)$(CC32) -o $@ -c $(DEPEND_FLAG) \
 403           $(CPPFLAGS) $(CFLAGS32) $(call absfilename,$<)
 404
 405 %.o32: %.S
 406         @$(COMP_MESSAGE)
 407         $(VERBOSE)$(CC32) -o $@ -c $(DEPEND_FLAG) \
 408           $(CPPFLAGS) $(CFLAGS32) $(call absfilename,$<)
 409
 410 clean cleanall::
 411         $(VERBOSE)PWD=$(call absfilename,$(SRC_DIR)/ARCH-amd64/libc32) \
 412           $(MAKE) -C $(SRC_DIR)/ARCH-amd64/libc32 $@
 413
 414 else
 415 bootstrap: $(BOOTSTRAP_ELF_NAME)
 416         $(VERBOSE)$(LN) -f $^ $@
 417 endif