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 = 2014 9PATCHLEVEL = 01 10SUBLEVEL = 11EXTRAVERSION = -rc1 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 68ifeq ("$(origin O)", "command line") 69BUILD_DIR := $(O) 70endif 71 72# Call a source code checker (by default, "sparse") as part of the 73# C compilation. 74# 75# Use 'make C=1' to enable checking of re-compiled files. 76# 77# See the linux kernel file "Documentation/sparse.txt" for more details, 78# including where to get the "sparse" utility. 79 80ifdef C 81ifeq ("$(origin C)", "command line") 82CHECKSRC := $(C) 83endif 84endif 85ifndef CHECKSRC 86 CHECKSRC = 0 87endif 88export CHECKSRC 89 90ifneq ($(BUILD_DIR),) 91saved-output := $(BUILD_DIR) 92 93# Attempt to create a output directory. 94$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}) 95 96# Verify if it was successful. 97BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) 98$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) 99endif # ifneq ($(BUILD_DIR),) 100 101OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) 102SPLTREE := $(OBJTREE)/spl 103TPLTREE := $(OBJTREE)/tpl 104SRCTREE := $(CURDIR) 105TOPDIR := $(SRCTREE) 106LNDIR := $(OBJTREE) 107export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 108 109MKCONFIG := $(SRCTREE)/mkconfig 110export MKCONFIG 111 112# $(obj) and (src) are defined in config.mk but here in main Makefile 113# we also need them before config.mk is included which is the case for 114# some targets like unconfig, clean, clobber, distclean, etc. 115ifneq ($(OBJTREE),$(SRCTREE)) 116obj := $(OBJTREE)/ 117src := $(SRCTREE)/ 118else 119obj := 120src := 121endif 122export obj src 123 124# Make sure CDPATH settings don't interfere 125unexport CDPATH 126 127######################################################################### 128 129# The "tools" are needed early, so put this first 130# Don't include stuff already done in $(LIBS) 131# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 132# is "yes"), so compile examples after U-Boot is compiled. 133SUBDIR_TOOLS = tools 134SUBDIRS = $(SUBDIR_TOOLS) 135 136.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 137 138ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk)) 139 140# Include autoconf.mk before config.mk so that the config options are available 141# to all top level build files. We need the dummy all: target to prevent the 142# dependency target in autoconf.mk.dep from being the default. 143all: 144sinclude $(obj)include/autoconf.mk.dep 145sinclude $(obj)include/autoconf.mk 146 147SUBDIR_EXAMPLES-y := examples/standalone 148SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api 149ifndef CONFIG_SANDBOX 150SUBDIRS += $(SUBDIR_EXAMPLES-y) 151endif 152 153# load ARCH, BOARD, and CPU configuration 154include $(obj)include/config.mk 155export ARCH CPU BOARD VENDOR SOC 156 157# set default to nothing for native builds 158ifeq ($(HOSTARCH),$(ARCH)) 159CROSS_COMPILE ?= 160endif 161 162# load other configuration 163include $(TOPDIR)/config.mk 164 165# Targets which don't build the source code 166NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig 167 168# Only do the generic board check when actually building, not configuring 169ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),) 170ifeq ($(findstring _config,$(MAKECMDGOALS)),) 171$(CHECK_GENERIC_BOARD) 172endif 173endif 174 175# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 176# that (or fail if absent). Otherwise, search for a linker script in a 177# standard location. 178 179LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 180 181ifndef LDSCRIPT 182 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 183 ifdef CONFIG_SYS_LDSCRIPT 184 # need to strip off double quotes 185 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 186 endif 187endif 188 189# If there is no specified link script, we look in a number of places for it 190ifndef LDSCRIPT 191 ifeq ($(CONFIG_NAND_U_BOOT),y) 192 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 193 ifeq ($(wildcard $(LDSCRIPT)),) 194 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 195 endif 196 endif 197 ifeq ($(wildcard $(LDSCRIPT)),) 198 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 199 endif 200 ifeq ($(wildcard $(LDSCRIPT)),) 201 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 202 endif 203 ifeq ($(wildcard $(LDSCRIPT)),) 204 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 205 # We don't expect a Makefile here 206 LDSCRIPT_MAKEFILE_DIR = 207 endif 208 ifeq ($(wildcard $(LDSCRIPT)),) 209$(error could not find linker script) 210 endif 211endif 212 213######################################################################### 214# U-Boot objects....order is important (i.e. start must be first) 215 216OBJS = $(CPUDIR)/start.o 217ifeq ($(CPU),ppc4xx) 218OBJS += $(CPUDIR)/resetvec.o 219endif 220ifeq ($(CPU),mpc85xx) 221OBJS += $(CPUDIR)/resetvec.o 222endif 223 224OBJS := $(addprefix $(obj),$(OBJS)) 225 226HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 227 228LIBS-y += lib/ 229LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 230LIBS-y += $(CPUDIR)/ 231ifdef SOC 232LIBS-y += $(CPUDIR)/$(SOC)/ 233endif 234LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 235LIBS-$(CONFIG_OF_EMBED) += dts/ 236LIBS-y += arch/$(ARCH)/lib/ 237LIBS-y += fs/ 238LIBS-y += net/ 239LIBS-y += disk/ 240LIBS-y += drivers/ 241LIBS-y += drivers/dma/ 242LIBS-y += drivers/gpio/ 243LIBS-y += drivers/i2c/ 244LIBS-y += drivers/input/ 245LIBS-y += drivers/mmc/ 246LIBS-y += drivers/mtd/ 247LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 248LIBS-y += drivers/mtd/onenand/ 249LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 250LIBS-y += drivers/mtd/spi/ 251LIBS-y += drivers/net/ 252LIBS-y += drivers/net/phy/ 253LIBS-y += drivers/pci/ 254LIBS-y += drivers/power/ \ 255 drivers/power/fuel_gauge/ \ 256 drivers/power/mfd/ \ 257 drivers/power/pmic/ \ 258 drivers/power/battery/ 259LIBS-y += drivers/spi/ 260LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 261LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 262LIBS-y += drivers/serial/ 263LIBS-y += drivers/usb/eth/ 264LIBS-y += drivers/usb/gadget/ 265LIBS-y += drivers/usb/host/ 266LIBS-y += drivers/usb/musb/ 267LIBS-y += drivers/usb/musb-new/ 268LIBS-y += drivers/usb/phy/ 269LIBS-y += drivers/usb/ulpi/ 270LIBS-y += common/ 271LIBS-y += lib/libfdt/ 272LIBS-$(CONFIG_API) += api/ 273LIBS-$(CONFIG_HAS_POST) += post/ 274LIBS-y += test/ 275 276ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 277LIBS-y += arch/$(ARCH)/imx-common/ 278endif 279 280LIBS-$(CONFIG_ARM) += arch/arm/cpu/ 281LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ 282 283LIBS-y += board/$(BOARDDIR)/ 284 285LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) 286LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 287.PHONY : $(LIBS) 288 289# Add GCC lib 290ifdef USE_PRIVATE_LIBGCC 291ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 292PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 293else 294PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 295endif 296else 297PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 298endif 299PLATFORM_LIBS += $(PLATFORM_LIBGCC) 300export PLATFORM_LIBS 301 302# Special flags for CPP when processing the linker script. 303# Pass the version down so we can handle backwards compatibility 304# on the fly. 305LDPPFLAGS += \ 306 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 307 -DCPUDIR=$(CPUDIR) \ 308 $(shell $(LD) --version | \ 309 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 310 311__OBJS := $(subst $(obj),,$(OBJS)) 312__LIBS := $(subst $(obj),,$(LIBS)) 313 314######################################################################### 315######################################################################### 316 317ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 318BOARD_SIZE_CHECK = \ 319 @actual=`wc -c $@ | awk '{print $$1}'`; \ 320 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 321 if test $$actual -gt $$limit; then \ 322 echo "$@ exceeds file size limit:" >&2 ; \ 323 echo " limit: $$limit bytes" >&2 ; \ 324 echo " actual: $$actual bytes" >&2 ; \ 325 echo " excess: $$((actual - limit)) bytes" >&2; \ 326 exit 1; \ 327 fi 328else 329BOARD_SIZE_CHECK = 330endif 331 332# Always append ALL so that arch config.mk's can add custom ones 333ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 334 335ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 336ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 337ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 338ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 339ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 340ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 341ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 342ifneq ($(CONFIG_SPL_TARGET),) 343ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%) 344endif 345 346# enable combined SPL/u-boot/dtb rules for tegra 347ifneq ($(CONFIG_TEGRA),) 348ifeq ($(CONFIG_OF_SEPARATE),y) 349ALL-y += $(obj)u-boot-dtb-tegra.bin 350else 351ALL-y += $(obj)u-boot-nodtb-tegra.bin 352endif 353endif 354 355build := -f $(TOPDIR)/scripts/Makefile.build -C 356 357all: $(ALL-y) $(SUBDIR_EXAMPLES-y) 358 359$(obj)u-boot.dtb: checkdtc $(obj)u-boot 360 $(MAKE) $(build) dts binary 361 mv $(obj)dts/dt.dtb $@ 362 363$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 364 cat $^ >$@ 365 366$(obj)u-boot.hex: $(obj)u-boot 367 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 368 369$(obj)u-boot.srec: $(obj)u-boot 370 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 371 372$(obj)u-boot.bin: $(obj)u-boot 373 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 374 $(BOARD_SIZE_CHECK) 375 376$(obj)u-boot.ldr: $(obj)u-boot 377 $(CREATE_LDR_ENV) 378 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 379 $(BOARD_SIZE_CHECK) 380 381$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 382 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 383 384$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 385 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 386 387# 388# U-Boot entry point, needed for booting of full-blown U-Boot 389# from the SPL U-Boot version. 390# 391ifndef CONFIG_SYS_UBOOT_START 392CONFIG_SYS_UBOOT_START := 0 393endif 394 395$(obj)u-boot.img: $(obj)u-boot.bin 396 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 397 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 398 -e $(CONFIG_SYS_UBOOT_START) \ 399 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 400 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 401 -d $< $@ 402 403$(obj)u-boot.imx: $(obj)u-boot.bin depend 404 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 405 406$(obj)u-boot.kwb: $(obj)u-boot.bin 407 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 408 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 409 410$(obj)u-boot.pbl: $(obj)u-boot.bin 411 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 412 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 413 -d $< $@ 414 415$(obj)u-boot.sha1: $(obj)u-boot.bin 416 $(obj)tools/ubsha1 $(obj)u-boot.bin 417 418$(obj)u-boot.dis: $(obj)u-boot 419 $(OBJDUMP) -d $< > $@ 420 421# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 422# $(4) is pad-to 423SPL_PAD_APPEND = \ 424 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 425 $(1) $(obj)$(3); \ 426 cat $(obj)$(3) $(2) > $@; \ 427 rm $(obj)$(3) 428 429ifdef CONFIG_TPL 430SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 431else 432SPL_PAYLOAD := $(obj)u-boot.bin 433endif 434 435$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 436 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 437 438$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 439 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 440 441$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 442 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 443 $(OBJTREE)/u-boot-with-spl.imx 444 445$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 446 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 447 $(OBJTREE)/u-boot-with-nand-spl.imx 448 449$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 450 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 451 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 452 453$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 454 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 455 -T aisimage \ 456 -e $(CONFIG_SPL_TEXT_BASE) \ 457 -d $(obj)spl/u-boot-spl.bin \ 458 $(obj)spl/u-boot-spl.ais 459 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 460 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 461 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 462 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 463 $(obj)u-boot.ais 464 465 466$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 467 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 468 469# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 470# Both images are created using mkimage (crc etc), so that the ROM 471# bootloader can check its integrity. Padding needs to be done to the 472# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 473# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 474# The resulting image containing both U-Boot images is called u-boot.spr 475$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 476 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 477 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 478 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 479 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 480 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 481 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 482 conv=notrunc 2>/dev/null 483 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 484 485ifneq ($(CONFIG_TEGRA),) 486$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 487 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 488 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 489 rm $(obj)spl/u-boot-spl-pad.bin 490 491ifeq ($(CONFIG_OF_SEPARATE),y) 492$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 493 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 494endif 495endif 496 497$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 498 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 499 500# PPC4xx needs the SPL at the end of the image, since the reset vector 501# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 502# and need to introduce a new build target with the full blown U-Boot 503# at the start padded up to the start of the SPL image. And then concat 504# the SPL image to the end. 505$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 506 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ 507 of=$(obj)u-boot-pad.img 2>/dev/null 508 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ 509 conv=notrunc 2>/dev/null 510 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ 511 512ifeq ($(CONFIG_SANDBOX),y) 513GEN_UBOOT = \ 514 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 515 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 516 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 517else 518GEN_UBOOT = \ 519 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 520 $(__OBJS) \ 521 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 522 -Map u-boot.map -o u-boot 523endif 524 525$(obj)u-boot: depend \ 526 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds 527 $(GEN_UBOOT) 528ifeq ($(CONFIG_KALLSYMS),y) 529 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 530 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 531 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 532 -c common/system_map.c -o $(obj)common/system_map.o 533 $(GEN_UBOOT) $(obj)common/system_map.o 534endif 535 536$(OBJS): 537 @: 538 539$(LIBS): depend $(SUBDIR_TOOLS) 540 $(MAKE) $(build) $(dir $(subst $(obj),,$@)) 541 542$(SUBDIRS): depend 543 $(MAKE) -C $@ all 544 545$(SUBDIR_EXAMPLES-y): $(obj)u-boot 546 547$(obj)u-boot.lds: $(LDSCRIPT) depend 548 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 549 550nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 551 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 552 553$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 554 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 555 556$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 557 $(MAKE) -C spl all 558 559$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 560 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 561 562# Explicitly make _depend in subdirs containing multiple targets to prevent 563# parallel sub-makes creating .depend files simultaneously. 564depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 565 $(obj)include/spl-autoconf.mk \ 566 $(obj)include/tpl-autoconf.mk \ 567 $(obj)include/autoconf.mk \ 568 $(obj)include/generated/generic-asm-offsets.h \ 569 $(obj)include/generated/asm-offsets.h 570 571TAG_SUBDIRS = $(SUBDIRS) 572TAG_SUBDIRS += $(dir $(__LIBS)) 573TAG_SUBDIRS += include 574 575FIND := find 576FINDFLAGS := -L 577 578checkstack: 579 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 580 `$(FIND) $(obj) -name u-boot-spl -print` | \ 581 perl $(src)scripts/checkstack.pl $(ARCH) 582 583tags ctags: 584 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 585 -name '*.[chS]' -print` 586 587etags: 588 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 589 -name '*.[chS]' -print` 590cscope: 591 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 592 cscope.files 593 cscope -b -q -k 594 595SYSTEM_MAP = \ 596 $(NM) $1 | \ 597 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 598 LC_ALL=C sort 599$(obj)System.map: $(obj)u-boot 600 @$(call SYSTEM_MAP,$<) > $@ 601 602checkthumb: 603 @if test $(call cc-version) -lt 0404; then \ 604 echo -n '*** Your GCC does not produce working '; \ 605 echo 'binaries in THUMB mode.'; \ 606 echo '*** Your board is configured for THUMB mode.'; \ 607 false; \ 608 fi 609 610# GCC 3.x is reported to have problems generating the type of relocation 611# that U-Boot wants. 612# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 613checkgcc4: 614 @if test $(call cc-version) -lt 0400; then \ 615 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 616 false; \ 617 fi 618 619checkdtc: 620 @if test $(call dtc-version) -lt 0104; then \ 621 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 622 false; \ 623 fi 624 625# 626# Auto-generate the autoconf.mk file (which is included by all makefiles) 627# 628# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 629# the dep file is only include in this top level makefile to determine when 630# to regenerate the autoconf.mk file. 631$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 632 @$(XECHO) Generating $@ ; \ 633 : Generate the dependancies ; \ 634 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 635 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \ 636 rm $@ 637 638$(obj)include/autoconf.mk: $(obj)include/config.h 639 @$(XECHO) Generating $@ ; \ 640 : Extract the config macros ; \ 641 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 642 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 643 rm $@.tmp 644 645# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 646$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 647 @$(XECHO) Generating $@ ; \ 648 : Extract the config macros ; \ 649 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 650 -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 651 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 652 rm $@.tmp 653 654$(obj)include/spl-autoconf.mk: $(obj)include/config.h 655 @$(XECHO) Generating $@ ; \ 656 : Extract the config macros ; \ 657 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 658 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 659 rm $@.tmp 660 661$(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s 662 @$(XECHO) Generating $@ 663 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 664 665$(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c 666 @mkdir -p $(obj)lib 667 $(CC) -DDO_DEPS_ONLY \ 668 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 669 -o $@ $(src)lib/asm-offsets.c -c -S 670 671$(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 672 @$(XECHO) Generating $@ 673 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 674 675$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h 676 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 677 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 678 $(CC) -DDO_DEPS_ONLY \ 679 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 680 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 681 else \ 682 touch $@; \ 683 fi 684 685######################################################################### 686else # !config.mk 687all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 688$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 689$(filter-out tools,$(SUBDIRS)) \ 690depend dep tags ctags etags cscope $(obj)System.map: 691 @echo "System not configured - see README" >&2 692 @ exit 1 693 694tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 695 $(MAKE) -C $@ all 696endif # config.mk 697 698# ARM relocations should all be R_ARM_RELATIVE. 699checkarmreloc: $(obj)u-boot 700 @if test "R_ARM_RELATIVE" != \ 701 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \ 702 then echo "$< contains relocations other than \ 703 R_ARM_RELATIVE"; false; fi 704 705$(VERSION_FILE): 706 @mkdir -p $(dir $(VERSION_FILE)) 707 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 708 printf '#define PLAIN_VERSION "%s%s"\n' \ 709 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 710 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 711 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 712 ) > $@.tmp 713 @( printf '#define CC_VERSION_STRING "%s"\n' \ 714 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 715 @( printf '#define LD_VERSION_STRING "%s"\n' \ 716 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 717 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 718 719$(TIMESTAMP_FILE): 720 @mkdir -p $(dir $(TIMESTAMP_FILE)) 721 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 722 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 723 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 724 725easylogo env gdb: 726 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 727gdbtools: gdb 728 729xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 730 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 731 732tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 733 $(MAKE) -C tools HOST_TOOLS_ALL=y 734 735.PHONY : CHANGELOG 736CHANGELOG: 737 git log --no-merges U-Boot-1_1_5.. | \ 738 unexpand -a | sed -e 's/\s\s*$$//' > $@ 739 740include/license.h: tools/bin2header COPYING 741 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 742######################################################################### 743 744unconfig: 745 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 746 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 747 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 748 $(obj)include/spl-autoconf.mk \ 749 $(obj)include/tpl-autoconf.mk 750 751%_config:: unconfig 752 @$(MKCONFIG) -A $(@:_config=) 753 754sinclude $(obj).boards.depend 755$(obj).boards.depend: boards.cfg 756 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 757 758######################################################################### 759######################################################################### 760 761clean: 762 @rm -f $(obj)examples/standalone/82559_eeprom \ 763 $(obj)examples/standalone/atmel_df_pow2 \ 764 $(obj)examples/standalone/eepro100_eeprom \ 765 $(obj)examples/standalone/hello_world \ 766 $(obj)examples/standalone/interrupt \ 767 $(obj)examples/standalone/mem_to_mem_idma2intr \ 768 $(obj)examples/standalone/sched \ 769 $(obj)examples/standalone/smc911{11,x}_eeprom \ 770 $(obj)examples/standalone/test_burst \ 771 $(obj)examples/standalone/timer 772 @rm -f $(obj)examples/api/demo{,.bin} 773 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 774 $(obj)tools/env/{fw_printenv,fw_setenv} \ 775 $(obj)tools/envcrc \ 776 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 777 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 778 $(obj)tools/dump{env,}image \ 779 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 780 $(obj)tools/mk{$(BOARD),}spl \ 781 $(obj)tools/mxsboot \ 782 $(obj)tools/ncb $(obj)tools/ubsha1 \ 783 $(obj)tools/kernel-doc/docproc \ 784 $(obj)tools/proftool 785 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 786 $(obj)board/matrix_vision/*/bootscript.img \ 787 $(obj)board/voiceblue/eeprom \ 788 $(obj)u-boot.lds \ 789 $(obj)arch/blackfin/cpu/init.{lds,elf} 790 @rm -f $(obj)include/bmp_logo.h 791 @rm -f $(obj)include/bmp_logo_data.h 792 @rm -f $(obj)lib/asm-offsets.s 793 @rm -f $(obj)include/generated/asm-offsets.h 794 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 795 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 796 @$(MAKE) -s -C doc/DocBook/ cleandocs 797 @find $(OBJTREE) -type f \ 798 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 799 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 800 -o -name '*.cfgtmp' \) -print \ 801 | xargs rm -f 802 803# Removes everything not needed for testing u-boot 804tidy: clean 805 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 806 807clobber: tidy 808 @find $(OBJTREE) -type f \( -name '*.srec' \ 809 -o -name '*.bin' -o -name u-boot.img \) \ 810 -print0 | xargs -0 rm -f 811 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 812 $(obj)cscope.* $(obj)*.*~ 813 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 814 @rm -f $(obj)u-boot.kwb 815 @rm -f $(obj)u-boot.pbl 816 @rm -f $(obj)u-boot.imx 817 @rm -f $(obj)u-boot-with-spl.imx 818 @rm -f $(obj)u-boot-with-nand-spl.imx 819 @rm -f $(obj)u-boot.ubl 820 @rm -f $(obj)u-boot.ais 821 @rm -f $(obj)u-boot.dtb 822 @rm -f $(obj)u-boot.sb 823 @rm -f $(obj)u-boot.bd 824 @rm -f $(obj)u-boot.spr 825 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 826 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 827 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 828 @rm -f $(obj)spl/u-boot-spl.lds 829 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 830 @rm -f $(obj)tpl/u-boot-spl.lds 831 @rm -f $(obj)MLO MLO.byteswap 832 @rm -f $(obj)SPL 833 @rm -f $(obj)tools/xway-swap-bytes 834 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 835 @rm -fr $(obj)include/generated 836 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 837 @rm -f $(obj)dts/*.tmp 838 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 839 840mrproper \ 841distclean: clobber unconfig 842ifneq ($(OBJTREE),$(SRCTREE)) 843 rm -rf $(obj)* 844endif 845 846backup: 847 F=`basename $(TOPDIR)` ; cd .. ; \ 848 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 849 850######################################################################### 851