1# 2# (C) Copyright 2000-2013 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8VERSION = 2013 9PATCHLEVEL = 10 10SUBLEVEL = 11EXTRAVERSION = 12ifneq "$(SUBLEVEL)" "" 13U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 14else 15U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION) 16endif 17TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h 18VERSION_FILE = $(obj)include/generated/version_autogenerated.h 19 20HOSTARCH := $(shell uname -m | \ 21 sed -e s/i.86/x86/ \ 22 -e s/sun4u/sparc64/ \ 23 -e s/arm.*/arm/ \ 24 -e s/sa110/arm/ \ 25 -e s/ppc64/powerpc/ \ 26 -e s/ppc/powerpc/ \ 27 -e s/macppc/powerpc/\ 28 -e s/sh.*/sh/) 29 30HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 31 sed -e 's/\(cygwin\).*/cygwin/') 32 33export HOSTARCH HOSTOS 34 35# Deal with colliding definitions from tcsh etc. 36VENDOR= 37 38######################################################################### 39# Allow for silent builds 40ifeq (,$(findstring s,$(MAKEFLAGS))) 41XECHO = echo 42else 43XECHO = : 44endif 45 46######################################################################### 47# 48# U-boot build supports generating object files in a separate external 49# directory. Two use cases are supported: 50# 51# 1) Add O= to the make command line 52# 'make O=/tmp/build all' 53# 54# 2) Set environment variable BUILD_DIR to point to the desired location 55# 'export BUILD_DIR=/tmp/build' 56# 'make' 57# 58# The second approach can also be used with a MAKEALL script 59# 'export BUILD_DIR=/tmp/build' 60# './MAKEALL' 61# 62# Command line 'O=' setting overrides BUILD_DIR environment variable. 63# 64# When none of the above methods is used the local build is performed and 65# the object files are placed in the source directory. 66# 67 68ifdef O 69ifeq ("$(origin O)", "command line") 70BUILD_DIR := $(O) 71endif 72endif 73 74# Call a source code checker (by default, "sparse") as part of the 75# C compilation. 76# 77# Use 'make C=1' to enable checking of re-compiled files. 78# 79# See the linux kernel file "Documentation/sparse.txt" for more details, 80# including where to get the "sparse" utility. 81 82ifdef C 83ifeq ("$(origin C)", "command line") 84CHECKSRC := $(C) 85endif 86endif 87ifndef CHECKSRC 88 CHECKSRC = 0 89endif 90export CHECKSRC 91 92ifneq ($(BUILD_DIR),) 93saved-output := $(BUILD_DIR) 94 95# Attempt to create a output directory. 96$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}) 97 98# Verify if it was successful. 99BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) 100$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) 101endif # ifneq ($(BUILD_DIR),) 102 103OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) 104SPLTREE := $(OBJTREE)/spl 105TPLTREE := $(OBJTREE)/tpl 106SRCTREE := $(CURDIR) 107TOPDIR := $(SRCTREE) 108LNDIR := $(OBJTREE) 109export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 110 111MKCONFIG := $(SRCTREE)/mkconfig 112export MKCONFIG 113 114ifneq ($(OBJTREE),$(SRCTREE)) 115REMOTE_BUILD := 1 116export REMOTE_BUILD 117endif 118 119# $(obj) and (src) are defined in config.mk but here in main Makefile 120# we also need them before config.mk is included which is the case for 121# some targets like unconfig, clean, clobber, distclean, etc. 122ifneq ($(OBJTREE),$(SRCTREE)) 123obj := $(OBJTREE)/ 124src := $(SRCTREE)/ 125else 126obj := 127src := 128endif 129export obj src 130 131# Make sure CDPATH settings don't interfere 132unexport CDPATH 133 134######################################################################### 135 136# The "tools" are needed early, so put this first 137# Don't include stuff already done in $(LIBS) 138# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 139# is "yes"), so compile examples after U-Boot is compiled. 140SUBDIR_TOOLS = tools 141SUBDIR_EXAMPLES = examples/standalone examples/api 142SUBDIRS = $(SUBDIR_TOOLS) 143 144.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 145 146ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk)) 147 148# Include autoconf.mk before config.mk so that the config options are available 149# to all top level build files. We need the dummy all: target to prevent the 150# dependency target in autoconf.mk.dep from being the default. 151all: 152sinclude $(obj)include/autoconf.mk.dep 153sinclude $(obj)include/autoconf.mk 154 155ifndef CONFIG_SANDBOX 156SUBDIRS += $(SUBDIR_EXAMPLES) 157endif 158 159# load ARCH, BOARD, and CPU configuration 160include $(obj)include/config.mk 161export ARCH CPU BOARD VENDOR SOC 162 163# set default to nothing for native builds 164ifeq ($(HOSTARCH),$(ARCH)) 165CROSS_COMPILE ?= 166endif 167 168# load other configuration 169include $(TOPDIR)/config.mk 170 171# Targets which don't build the source code 172NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig 173 174# Only do the generic board check when actually building, not configuring 175ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),) 176ifeq ($(findstring _config,$(MAKECMDGOALS)),) 177$(CHECK_GENERIC_BOARD) 178endif 179endif 180 181# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 182# that (or fail if absent). Otherwise, search for a linker script in a 183# standard location. 184 185LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 186 187ifndef LDSCRIPT 188 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 189 ifdef CONFIG_SYS_LDSCRIPT 190 # need to strip off double quotes 191 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT)) 192 endif 193endif 194 195# If there is no specified link script, we look in a number of places for it 196ifndef LDSCRIPT 197 ifeq ($(CONFIG_NAND_U_BOOT),y) 198 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 199 ifeq ($(wildcard $(LDSCRIPT)),) 200 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 201 endif 202 endif 203 ifeq ($(wildcard $(LDSCRIPT)),) 204 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 205 endif 206 ifeq ($(wildcard $(LDSCRIPT)),) 207 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 208 endif 209 ifeq ($(wildcard $(LDSCRIPT)),) 210 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 211 # We don't expect a Makefile here 212 LDSCRIPT_MAKEFILE_DIR = 213 endif 214 ifeq ($(wildcard $(LDSCRIPT)),) 215$(error could not find linker script) 216 endif 217endif 218 219######################################################################### 220# U-Boot objects....order is important (i.e. start must be first) 221 222OBJS = $(CPUDIR)/start.o 223ifeq ($(CPU),ppc4xx) 224OBJS += $(CPUDIR)/resetvec.o 225endif 226ifeq ($(CPU),mpc85xx) 227OBJS += $(CPUDIR)/resetvec.o 228endif 229 230OBJS := $(addprefix $(obj),$(OBJS)) 231 232HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 233 234LIBS-y += lib/ 235LIBS-$(CONFIG_RSA) += lib/rsa/ 236LIBS-$(CONFIG_LZMA) += lib/lzma/ 237LIBS-$(CONFIG_LZO) += lib/lzo/ 238LIBS-$(CONFIG_ZLIB) += lib/zlib/ 239LIBS-$(CONFIG_TIZEN) += lib/tizen/ 240LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 241LIBS-y += $(CPUDIR)/ 242ifdef SOC 243LIBS-y += $(CPUDIR)/$(SOC)/ 244endif 245LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 246LIBS-$(CONFIG_OF_EMBED) += dts/ 247LIBS-y += arch/$(ARCH)/lib/ 248LIBS-y += fs/ \ 249 fs/fat/ 250LIBS-y += net/ 251LIBS-y += disk/ 252LIBS-y += drivers/ 253LIBS-y += drivers/dma/ 254LIBS-y += drivers/gpio/ 255LIBS-y += drivers/i2c/ 256LIBS-y += drivers/input/ 257LIBS-y += drivers/mmc/ 258LIBS-y += drivers/mtd/ 259LIBS-y += drivers/mtd/nand/ 260LIBS-y += drivers/mtd/onenand/ 261LIBS-y += drivers/mtd/ubi/ 262LIBS-y += drivers/mtd/spi/ 263LIBS-y += drivers/net/ 264LIBS-y += drivers/net/phy/ 265LIBS-y += drivers/pci/ 266LIBS-y += drivers/power/ \ 267 drivers/power/fuel_gauge/ \ 268 drivers/power/mfd/ \ 269 drivers/power/pmic/ \ 270 drivers/power/battery/ 271LIBS-y += drivers/spi/ 272LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 273LIBS-y += drivers/serial/ 274LIBS-y += drivers/usb/eth/ 275LIBS-y += drivers/usb/gadget/ 276LIBS-y += drivers/usb/host/ 277LIBS-y += drivers/usb/musb/ 278LIBS-y += drivers/usb/musb-new/ 279LIBS-y += drivers/usb/phy/ 280LIBS-y += drivers/usb/ulpi/ 281LIBS-y += common/ 282LIBS-y += lib/libfdt/ 283LIBS-y += api/ 284LIBS-y += post/ 285LIBS-y += test/ 286 287ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 288LIBS-y += arch/$(ARCH)/imx-common/ 289endif 290 291LIBS-$(CONFIG_ARM) += arch/arm/cpu/ 292LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ 293 294LIBS-y += board/$(BOARDDIR)/ 295 296LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) 297LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 298.PHONY : $(LIBS) 299 300# Add GCC lib 301ifdef USE_PRIVATE_LIBGCC 302ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 303PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 304else 305PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 306endif 307else 308PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 309endif 310PLATFORM_LIBS += $(PLATFORM_LIBGCC) 311export PLATFORM_LIBS 312 313# Special flags for CPP when processing the linker script. 314# Pass the version down so we can handle backwards compatibility 315# on the fly. 316LDPPFLAGS += \ 317 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 318 -DCPUDIR=$(CPUDIR) \ 319 $(shell $(LD) --version | \ 320 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 321 322__OBJS := $(subst $(obj),,$(OBJS)) 323__LIBS := $(subst $(obj),,$(LIBS)) 324 325######################################################################### 326######################################################################### 327 328ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 329BOARD_SIZE_CHECK = \ 330 @actual=`wc -c $@ | awk '{print $$1}'`; \ 331 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 332 if test $$actual -gt $$limit; then \ 333 echo "$@ exceeds file size limit:" >&2 ; \ 334 echo " limit: $$limit bytes" >&2 ; \ 335 echo " actual: $$actual bytes" >&2 ; \ 336 echo " excess: $$((actual - limit)) bytes" >&2; \ 337 exit 1; \ 338 fi 339else 340BOARD_SIZE_CHECK = 341endif 342 343# Always append ALL so that arch config.mk's can add custom ones 344ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 345 346ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 347ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 348ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 349ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 350ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 351ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 352ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 353ifneq ($(CONFIG_SPL_TARGET),) 354ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) 355endif 356 357# enable combined SPL/u-boot/dtb rules for tegra 358ifneq ($(CONFIG_TEGRA),) 359ifeq ($(CONFIG_OF_SEPARATE),y) 360ALL-y += $(obj)u-boot-dtb-tegra.bin 361else 362ALL-y += $(obj)u-boot-nodtb-tegra.bin 363endif 364endif 365 366build := -f $(TOPDIR)/scripts/Makefile.build -C 367 368all: $(ALL-y) $(SUBDIR_EXAMPLES) 369 370$(obj)u-boot.dtb: checkdtc $(obj)u-boot 371 $(MAKE) $(build) dts binary 372 mv $(obj)dts/dt.dtb $@ 373 374$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 375 cat $^ >$@ 376 377$(obj)u-boot.hex: $(obj)u-boot 378 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 379 380$(obj)u-boot.srec: $(obj)u-boot 381 $(OBJCOPY) -O srec $< $@ 382 383$(obj)u-boot.bin: $(obj)u-boot 384 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 385 $(BOARD_SIZE_CHECK) 386 387$(obj)u-boot.ldr: $(obj)u-boot 388 $(CREATE_LDR_ENV) 389 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 390 $(BOARD_SIZE_CHECK) 391 392$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 393 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 394 395$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 396 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 397 398# 399# U-Boot entry point, needed for booting of full-blown U-Boot 400# from the SPL U-Boot version. 401# 402ifndef CONFIG_SYS_UBOOT_START 403CONFIG_SYS_UBOOT_START := 0 404endif 405 406$(obj)u-boot.img: $(obj)u-boot.bin 407 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 408 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 409 -e $(CONFIG_SYS_UBOOT_START) \ 410 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 411 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 412 -d $< $@ 413 414$(obj)u-boot.imx: $(obj)u-boot.bin depend 415 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 416 417$(obj)u-boot.kwb: $(obj)u-boot.bin 418 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 419 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 420 421$(obj)u-boot.pbl: $(obj)u-boot.bin 422 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 423 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 424 -d $< $@ 425 426$(obj)u-boot.sha1: $(obj)u-boot.bin 427 $(obj)tools/ubsha1 $(obj)u-boot.bin 428 429$(obj)u-boot.dis: $(obj)u-boot 430 $(OBJDUMP) -d $< > $@ 431 432# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 433# $(4) is pad-to 434SPL_PAD_APPEND = \ 435 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 436 $(1) $(obj)$(3); \ 437 cat $(obj)$(3) $(2) > $@; \ 438 rm $(obj)$(3) 439 440ifdef CONFIG_TPL 441SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 442else 443SPL_PAYLOAD := $(obj)u-boot.bin 444endif 445 446$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 447 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 448 449$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 450 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 451 452$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 453 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 454 $(OBJTREE)/u-boot-with-spl.imx 455 456$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 457 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 458 $(OBJTREE)/u-boot-with-nand-spl.imx 459 460$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 461 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 462 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 463 464$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 465 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 466 -T aisimage \ 467 -e $(CONFIG_SPL_TEXT_BASE) \ 468 -d $(obj)spl/u-boot-spl.bin \ 469 $(obj)spl/u-boot-spl.ais 470 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 471 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 472 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 473 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 474 $(obj)u-boot.ais 475 476 477$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 478 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 479 480# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 481# Both images are created using mkimage (crc etc), so that the ROM 482# bootloader can check its integrity. Padding needs to be done to the 483# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 484# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 485# The resulting image containing both U-Boot images is called u-boot.spr 486$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 487 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 488 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 489 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 490 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 491 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 492 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 493 conv=notrunc 2>/dev/null 494 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 495 496ifneq ($(CONFIG_TEGRA),) 497$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 498 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 499 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 500 rm $(obj)spl/u-boot-spl-pad.bin 501 502ifeq ($(CONFIG_OF_SEPARATE),y) 503$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 504 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 505endif 506endif 507 508$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 509 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 510 511# PPC4xx needs the SPL at the end of the image, since the reset vector 512# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 513# and need to introduce a new build target with the full blown U-Boot 514# at the start padded up to the start of the SPL image. And then concat 515# the SPL image to the end. 516$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 517 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ 518 of=$(obj)u-boot-pad.img 2>/dev/null 519 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ 520 conv=notrunc 2>/dev/null 521 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ 522 523ifeq ($(CONFIG_SANDBOX),y) 524GEN_UBOOT = \ 525 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 526 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 527 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 528else 529GEN_UBOOT = \ 530 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 531 $(__OBJS) \ 532 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 533 -Map u-boot.map -o u-boot 534endif 535 536$(obj)u-boot: depend \ 537 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 538 $(GEN_UBOOT) 539ifeq ($(CONFIG_KALLSYMS),y) 540 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 541 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 542 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 543 -c common/system_map.c -o $(obj)common/system_map.o 544 $(GEN_UBOOT) $(obj)common/system_map.o 545endif 546 547$(OBJS): 548 @: 549 550$(LIBS): depend $(SUBDIR_TOOLS) 551 $(MAKE) $(build) $(dir $(subst $(obj),,$@)) 552 553$(SUBDIRS): depend 554 $(MAKE) -C $@ all 555 556$(SUBDIR_EXAMPLES): $(obj)u-boot 557 558$(LDSCRIPT): depend 559 $(MAKE) -C $(dir $@) $(notdir $@) 560 561$(obj)u-boot.lds: $(LDSCRIPT) 562 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 563 564nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 565 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 566 567$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 568 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 569 570$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 571 $(MAKE) -C spl all 572 573$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 574 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 575 576updater: 577 $(MAKE) -C tools/updater all 578 579# Explicitly make _depend in subdirs containing multiple targets to prevent 580# parallel sub-makes creating .depend files simultaneously. 581depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 582 $(obj)include/spl-autoconf.mk \ 583 $(obj)include/tpl-autoconf.mk \ 584 $(obj)include/autoconf.mk \ 585 $(obj)include/generated/generic-asm-offsets.h \ 586 $(obj)include/generated/asm-offsets.h 587 588TAG_SUBDIRS = $(SUBDIRS) 589TAG_SUBDIRS += $(dir $(__LIBS)) 590TAG_SUBDIRS += include 591 592FIND := find 593FINDFLAGS := -L 594 595checkstack: 596 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 597 `$(FIND) $(obj) -name u-boot-spl -print` | \ 598 perl $(src)tools/checkstack.pl $(ARCH) 599 600tags ctags: 601 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 602 -name '*.[chS]' -print` 603 604etags: 605 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 606 -name '*.[chS]' -print` 607cscope: 608 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 609 cscope.files 610 cscope -b -q -k 611 612SYSTEM_MAP = \ 613 $(NM) $1 | \ 614 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 615 LC_ALL=C sort 616$(obj)System.map: $(obj)u-boot 617 @$(call SYSTEM_MAP,$<) > $(obj)System.map 618 619checkthumb: 620 @if test $(call cc-version) -lt 0404; then \ 621 echo -n '*** Your GCC does not produce working '; \ 622 echo 'binaries in THUMB mode.'; \ 623 echo '*** Your board is configured for THUMB mode.'; \ 624 false; \ 625 fi 626 627# GCC 3.x is reported to have problems generating the type of relocation 628# that U-Boot wants. 629# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 630checkgcc4: 631 @if test $(call cc-version) -lt 0400; then \ 632 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 633 false; \ 634 fi 635 636checkdtc: 637 @if test $(call dtc-version) -lt 0104; then \ 638 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 639 false; \ 640 fi 641 642# 643# Auto-generate the autoconf.mk file (which is included by all makefiles) 644# 645# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 646# the dep file is only include in this top level makefile to determine when 647# to regenerate the autoconf.mk file. 648$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 649 @$(XECHO) Generating $@ ; \ 650 set -e ; \ 651 : Generate the dependancies ; \ 652 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 653 -MQ $(obj)include/autoconf.mk include/common.h > $@ 654 655$(obj)include/autoconf.mk: $(obj)include/config.h 656 @$(XECHO) Generating $@ ; \ 657 set -e ; \ 658 : Extract the config macros ; \ 659 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 660 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 661 mv $@.tmp $@ 662 663# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 664$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 665 @$(XECHO) Generating $@ ; \ 666 set -e ; \ 667 : Extract the config macros ; \ 668 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 669 -DDO_DEPS_ONLY -dM include/common.h | \ 670 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 671 mv $@.tmp $@ 672 673$(obj)include/spl-autoconf.mk: $(obj)include/config.h 674 @$(XECHO) Generating $@ ; \ 675 set -e ; \ 676 : Extract the config macros ; \ 677 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \ 678 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 679 mv $@.tmp $@ 680 681$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 682 $(obj)include/spl-autoconf.mk \ 683 $(obj)include/tpl-autoconf.mk \ 684 $(obj)lib/asm-offsets.s 685 @$(XECHO) Generating $@ 686 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 687 688$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 689 $(obj)include/spl-autoconf.mk \ 690 $(obj)include/tpl-autoconf.mk \ 691 $(src)lib/asm-offsets.c 692 @mkdir -p $(obj)lib 693 $(CC) -DDO_DEPS_ONLY \ 694 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 695 -o $@ $(src)lib/asm-offsets.c -c -S 696 697$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 698 $(obj)include/spl-autoconf.mk \ 699 $(obj)include/tpl-autoconf.mk \ 700 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 701 @$(XECHO) Generating $@ 702 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 703 704$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 705 $(obj)include/spl-autoconf.mk \ 706 $(obj)include/tpl-autoconf.mk 707 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 708 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 709 $(CC) -DDO_DEPS_ONLY \ 710 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 711 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 712 else \ 713 touch $@; \ 714 fi 715 716######################################################################### 717else # !config.mk 718all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 719$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 720$(filter-out tools,$(SUBDIRS)) \ 721updater depend dep tags ctags etags cscope $(obj)System.map: 722 @echo "System not configured - see README" >&2 723 @ exit 1 724 725tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 726 $(MAKE) -C $@ all 727endif # config.mk 728 729# ARM relocations should all be R_ARM_RELATIVE. 730checkarmreloc: $(obj)u-boot 731 @if test "R_ARM_RELATIVE" != \ 732 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \ 733 then echo "$< contains relocations other than \ 734 R_ARM_RELATIVE"; false; fi 735 736$(VERSION_FILE): 737 @mkdir -p $(dir $(VERSION_FILE)) 738 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 739 printf '#define PLAIN_VERSION "%s%s"\n' \ 740 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 741 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 742 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 743 ) > $@.tmp 744 @( printf '#define CC_VERSION_STRING "%s"\n' \ 745 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 746 @( printf '#define LD_VERSION_STRING "%s"\n' \ 747 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 748 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 749 750$(TIMESTAMP_FILE): 751 @mkdir -p $(dir $(TIMESTAMP_FILE)) 752 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 753 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 754 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 755 756easylogo env gdb: 757 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 758gdbtools: gdb 759 760xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 761 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 762 763tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 764 $(MAKE) -C tools HOST_TOOLS_ALL=y 765 766.PHONY : CHANGELOG 767CHANGELOG: 768 git log --no-merges U-Boot-1_1_5.. | \ 769 unexpand -a | sed -e 's/\s\s*$$//' > $@ 770 771include/license.h: tools/bin2header COPYING 772 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 773######################################################################### 774 775unconfig: 776 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 777 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 778 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 779 $(obj)include/spl-autoconf.mk \ 780 $(obj)include/tpl-autoconf.mk 781 782%_config:: unconfig 783 @$(MKCONFIG) -A $(@:_config=) 784 785sinclude $(obj).boards.depend 786$(obj).boards.depend: boards.cfg 787 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 788 789# 790# Functions to generate common board directory names 791# 792lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') 793ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') 794 795######################################################################### 796######################################################################### 797 798clean: 799 @rm -f $(obj)examples/standalone/82559_eeprom \ 800 $(obj)examples/standalone/atmel_df_pow2 \ 801 $(obj)examples/standalone/eepro100_eeprom \ 802 $(obj)examples/standalone/hello_world \ 803 $(obj)examples/standalone/interrupt \ 804 $(obj)examples/standalone/mem_to_mem_idma2intr \ 805 $(obj)examples/standalone/sched \ 806 $(obj)examples/standalone/smc911{11,x}_eeprom \ 807 $(obj)examples/standalone/test_burst \ 808 $(obj)examples/standalone/timer 809 @rm -f $(obj)examples/api/demo{,.bin} 810 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 811 $(obj)tools/env/{fw_printenv,fw_setenv} \ 812 $(obj)tools/envcrc \ 813 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 814 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 815 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 816 $(obj)tools/mk{$(BOARD),}spl \ 817 $(obj)tools/mxsboot \ 818 $(obj)tools/ncb $(obj)tools/ubsha1 \ 819 $(obj)tools/kernel-doc/docproc \ 820 $(obj)tools/proftool 821 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 822 $(obj)board/matrix_vision/*/bootscript.img \ 823 $(obj)board/voiceblue/eeprom \ 824 $(obj)u-boot.lds \ 825 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ 826 $(obj)arch/blackfin/cpu/init.{lds,elf} 827 @rm -f $(obj)include/bmp_logo.h 828 @rm -f $(obj)include/bmp_logo_data.h 829 @rm -f $(obj)lib/asm-offsets.s 830 @rm -f $(obj)include/generated/asm-offsets.h 831 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 832 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 833 @$(MAKE) -s -C doc/DocBook/ cleandocs 834 @find $(OBJTREE) -type f \ 835 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 836 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 837 -o -name '*.cfgtmp' \) -print \ 838 | xargs rm -f 839 840# Removes everything not needed for testing u-boot 841tidy: clean 842 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 843 844clobber: tidy 845 @find $(OBJTREE) -type f \( -name '*.srec' \ 846 -o -name '*.bin' -o -name u-boot.img \) \ 847 -print0 | xargs -0 rm -f 848 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 849 $(obj)cscope.* $(obj)*.*~ 850 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 851 @rm -f $(obj)u-boot.kwb 852 @rm -f $(obj)u-boot.pbl 853 @rm -f $(obj)u-boot.imx 854 @rm -f $(obj)u-boot-with-spl.imx 855 @rm -f $(obj)u-boot-with-nand-spl.imx 856 @rm -f $(obj)u-boot.ubl 857 @rm -f $(obj)u-boot.ais 858 @rm -f $(obj)u-boot.dtb 859 @rm -f $(obj)u-boot.sb 860 @rm -f $(obj)u-boot.bd 861 @rm -f $(obj)u-boot.spr 862 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 863 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 864 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 865 @rm -f $(obj)spl/u-boot-spl.lds 866 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 867 @rm -f $(obj)tpl/u-boot-spl.lds 868 @rm -f $(obj)MLO MLO.byteswap 869 @rm -f $(obj)SPL 870 @rm -f $(obj)tools/xway-swap-bytes 871 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 872 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 873 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 874 @rm -fr $(obj)include/generated 875 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 876 @rm -f $(obj)dts/*.tmp 877 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 878 879mrproper \ 880distclean: clobber unconfig 881ifneq ($(OBJTREE),$(SRCTREE)) 882 rm -rf $(obj)* 883endif 884 885backup: 886 F=`basename $(TOPDIR)` ; cd .. ; \ 887 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 888 889######################################################################### 890