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 = -rc2 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 $(TOPDIR)/config.mk 164 165# Targets which don't build the source code 166NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig 167 168# Only do the generic board check when actually building, not configuring 169ifeq ($(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 216head-y := $(CPUDIR)/start.o 217head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 218head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 219 220OBJS := $(addprefix $(obj),$(head-y)) 221 222HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 223 224LIBS-y += lib/ 225LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 226LIBS-y += $(CPUDIR)/ 227ifdef SOC 228LIBS-y += $(CPUDIR)/$(SOC)/ 229endif 230LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 231LIBS-$(CONFIG_OF_EMBED) += dts/ 232LIBS-y += arch/$(ARCH)/lib/ 233LIBS-y += fs/ 234LIBS-y += net/ 235LIBS-y += disk/ 236LIBS-y += drivers/ 237LIBS-y += drivers/dma/ 238LIBS-y += drivers/gpio/ 239LIBS-y += drivers/i2c/ 240LIBS-y += drivers/input/ 241LIBS-y += drivers/mmc/ 242LIBS-y += drivers/mtd/ 243LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 244LIBS-y += drivers/mtd/onenand/ 245LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 246LIBS-y += drivers/mtd/spi/ 247LIBS-y += drivers/net/ 248LIBS-y += drivers/net/phy/ 249LIBS-y += drivers/pci/ 250LIBS-y += drivers/power/ \ 251 drivers/power/fuel_gauge/ \ 252 drivers/power/mfd/ \ 253 drivers/power/pmic/ \ 254 drivers/power/battery/ 255LIBS-y += drivers/spi/ 256LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 257LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 258LIBS-y += drivers/serial/ 259LIBS-y += drivers/usb/eth/ 260LIBS-y += drivers/usb/gadget/ 261LIBS-y += drivers/usb/host/ 262LIBS-y += drivers/usb/musb/ 263LIBS-y += drivers/usb/musb-new/ 264LIBS-y += drivers/usb/phy/ 265LIBS-y += drivers/usb/ulpi/ 266LIBS-y += common/ 267LIBS-y += lib/libfdt/ 268LIBS-$(CONFIG_API) += api/ 269LIBS-$(CONFIG_HAS_POST) += post/ 270LIBS-y += test/ 271 272ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 273LIBS-y += arch/$(ARCH)/imx-common/ 274endif 275 276LIBS-$(CONFIG_ARM) += arch/arm/cpu/ 277LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ 278 279LIBS-y += board/$(BOARDDIR)/ 280 281LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) 282LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 283.PHONY : $(LIBS) 284 285# Add GCC lib 286ifdef USE_PRIVATE_LIBGCC 287ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 288PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 289else 290PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 291endif 292else 293PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 294endif 295PLATFORM_LIBS += $(PLATFORM_LIBGCC) 296export PLATFORM_LIBS 297 298# Special flags for CPP when processing the linker script. 299# Pass the version down so we can handle backwards compatibility 300# on the fly. 301LDPPFLAGS += \ 302 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 303 -DCPUDIR=$(CPUDIR) \ 304 $(shell $(LD) --version | \ 305 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 306 307__OBJS := $(subst $(obj),,$(OBJS)) 308__LIBS := $(subst $(obj),,$(LIBS)) 309 310######################################################################### 311######################################################################### 312 313ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 314BOARD_SIZE_CHECK = \ 315 @actual=`wc -c $@ | awk '{print $$1}'`; \ 316 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 317 if test $$actual -gt $$limit; then \ 318 echo "$@ exceeds file size limit:" >&2 ; \ 319 echo " limit: $$limit bytes" >&2 ; \ 320 echo " actual: $$actual bytes" >&2 ; \ 321 echo " excess: $$((actual - limit)) bytes" >&2; \ 322 exit 1; \ 323 fi 324else 325BOARD_SIZE_CHECK = 326endif 327 328# Always append ALL so that arch config.mk's can add custom ones 329ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 330 331ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 332ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 333ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 334ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 335ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 336ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 337ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 338ifneq ($(CONFIG_SPL_TARGET),) 339ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%) 340endif 341 342# enable combined SPL/u-boot/dtb rules for tegra 343ifneq ($(CONFIG_TEGRA),) 344ifeq ($(CONFIG_OF_SEPARATE),y) 345ALL-y += $(obj)u-boot-dtb-tegra.bin 346else 347ALL-y += $(obj)u-boot-nodtb-tegra.bin 348endif 349endif 350 351build := -f $(TOPDIR)/scripts/Makefile.build -C 352 353all: $(ALL-y) $(SUBDIR_EXAMPLES-y) 354 355$(obj)u-boot.dtb: checkdtc $(obj)u-boot 356 $(MAKE) $(build) dts binary 357 mv $(obj)dts/dt.dtb $@ 358 359$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 360 cat $^ >$@ 361 362$(obj)u-boot.hex: $(obj)u-boot 363 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 364 365$(obj)u-boot.srec: $(obj)u-boot 366 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 367 368$(obj)u-boot.bin: $(obj)u-boot 369 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 370 $(BOARD_SIZE_CHECK) 371 372$(obj)u-boot.ldr: $(obj)u-boot 373 $(CREATE_LDR_ENV) 374 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 375 $(BOARD_SIZE_CHECK) 376 377$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 378 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 379 380$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 381 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 382 383# 384# U-Boot entry point, needed for booting of full-blown U-Boot 385# from the SPL U-Boot version. 386# 387ifndef CONFIG_SYS_UBOOT_START 388CONFIG_SYS_UBOOT_START := 0 389endif 390 391$(obj)u-boot.img: $(obj)u-boot.bin 392 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 393 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 394 -e $(CONFIG_SYS_UBOOT_START) \ 395 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 396 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 397 -d $< $@ 398 399$(obj)u-boot.imx: $(obj)u-boot.bin depend 400 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 401 402$(obj)u-boot.kwb: $(obj)u-boot.bin 403 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 404 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 405 406$(obj)u-boot.pbl: $(obj)u-boot.bin 407 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 408 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 409 -d $< $@ 410 411$(obj)u-boot.sha1: $(obj)u-boot.bin 412 $(obj)tools/ubsha1 $(obj)u-boot.bin 413 414$(obj)u-boot.dis: $(obj)u-boot 415 $(OBJDUMP) -d $< > $@ 416 417# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 418# $(4) is pad-to 419SPL_PAD_APPEND = \ 420 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 421 $(1) $(obj)$(3); \ 422 cat $(obj)$(3) $(2) > $@; \ 423 rm $(obj)$(3) 424 425ifdef CONFIG_TPL 426SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 427else 428SPL_PAYLOAD := $(obj)u-boot.bin 429endif 430 431$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 432 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 433 434$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 435 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 436 437$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 438 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 439 $(OBJTREE)/u-boot-with-spl.imx 440 441$(obj)u-boot-with-nand-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-nand-spl.imx 444 445$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 446 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 447 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 448 449$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 450 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 451 -T aisimage \ 452 -e $(CONFIG_SPL_TEXT_BASE) \ 453 -d $(obj)spl/u-boot-spl.bin \ 454 $(obj)spl/u-boot-spl.ais 455 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 456 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 457 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 458 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 459 $(obj)u-boot.ais 460 461 462$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 463 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 464 465# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 466# Both images are created using mkimage (crc etc), so that the ROM 467# bootloader can check its integrity. Padding needs to be done to the 468# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 469# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 470# The resulting image containing both U-Boot images is called u-boot.spr 471$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 472 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 473 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 474 -d $(obj)spl/u-boot-spl.bin $@ 475 $(OBJCOPY) -I binary -O binary \ 476 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 477 cat $(obj)u-boot.img >> $@ 478 479ifneq ($(CONFIG_TEGRA),) 480$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 481 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 482 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 483 rm $(obj)spl/u-boot-spl-pad.bin 484 485ifeq ($(CONFIG_OF_SEPARATE),y) 486$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 487 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 488endif 489endif 490 491$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 492 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 493 494# PPC4xx needs the SPL at the end of the image, since the reset vector 495# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 496# and need to introduce a new build target with the full blown U-Boot 497# at the start padded up to the start of the SPL image. And then concat 498# the SPL image to the end. 499$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 500 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 501 --gap-fill=0xff $(obj)u-boot.img $@ 502 cat $(obj)spl/u-boot-spl.bin >> $@ 503 504ifeq ($(CONFIG_SANDBOX),y) 505GEN_UBOOT = \ 506 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 507 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 508 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 509else 510GEN_UBOOT = \ 511 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 512 $(__OBJS) \ 513 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 514 -Map u-boot.map -o u-boot 515endif 516 517$(obj)u-boot: depend \ 518 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds 519 $(GEN_UBOOT) 520ifeq ($(CONFIG_KALLSYMS),y) 521 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 522 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 523 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 524 -c common/system_map.c -o $(obj)common/system_map.o 525 $(GEN_UBOOT) $(obj)common/system_map.o 526endif 527 528$(OBJS): 529 @: 530 531$(LIBS): depend $(SUBDIR_TOOLS) 532 $(MAKE) $(build) $(dir $(subst $(obj),,$@)) 533 534$(SUBDIRS): depend 535 $(MAKE) -C $@ all 536 537$(SUBDIR_EXAMPLES-y): $(obj)u-boot 538 539$(obj)u-boot.lds: $(LDSCRIPT) depend 540 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 541 542nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 543 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 544 545$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 546 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 547 548$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 549 $(MAKE) -C spl all 550 551$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 552 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 553 554# Explicitly make _depend in subdirs containing multiple targets to prevent 555# parallel sub-makes creating .depend files simultaneously. 556depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 557 $(obj)include/spl-autoconf.mk \ 558 $(obj)include/tpl-autoconf.mk \ 559 $(obj)include/autoconf.mk \ 560 $(obj)include/generated/generic-asm-offsets.h \ 561 $(obj)include/generated/asm-offsets.h 562 563TAG_SUBDIRS = $(SUBDIRS) 564TAG_SUBDIRS += $(dir $(__LIBS)) 565TAG_SUBDIRS += include 566 567FIND := find 568FINDFLAGS := -L 569 570checkstack: 571 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 572 `$(FIND) $(obj) -name u-boot-spl -print` | \ 573 perl $(src)scripts/checkstack.pl $(ARCH) 574 575tags ctags: 576 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 577 -name '*.[chS]' -print` 578 579etags: 580 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 581 -name '*.[chS]' -print` 582cscope: 583 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 584 cscope.files 585 cscope -b -q -k 586 587SYSTEM_MAP = \ 588 $(NM) $1 | \ 589 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 590 LC_ALL=C sort 591$(obj)System.map: $(obj)u-boot 592 @$(call SYSTEM_MAP,$<) > $@ 593 594checkthumb: 595 @if test $(call cc-version) -lt 0404; then \ 596 echo -n '*** Your GCC does not produce working '; \ 597 echo 'binaries in THUMB mode.'; \ 598 echo '*** Your board is configured for THUMB mode.'; \ 599 false; \ 600 fi 601 602# GCC 3.x is reported to have problems generating the type of relocation 603# that U-Boot wants. 604# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 605checkgcc4: 606 @if test $(call cc-version) -lt 0400; then \ 607 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 608 false; \ 609 fi 610 611checkdtc: 612 @if test $(call dtc-version) -lt 0104; then \ 613 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 614 false; \ 615 fi 616 617# 618# Auto-generate the autoconf.mk file (which is included by all makefiles) 619# 620# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 621# the dep file is only include in this top level makefile to determine when 622# to regenerate the autoconf.mk file. 623$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 624 @$(XECHO) Generating $@ ; \ 625 : Generate the dependancies ; \ 626 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 627 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \ 628 rm $@ 629 630$(obj)include/autoconf.mk: $(obj)include/config.h 631 @$(XECHO) Generating $@ ; \ 632 : Extract the config macros ; \ 633 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 634 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 635 rm $@.tmp 636 637# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 638$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 639 @$(XECHO) Generating $@ ; \ 640 : Extract the config macros ; \ 641 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 642 -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 643 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 644 rm $@.tmp 645 646$(obj)include/spl-autoconf.mk: $(obj)include/config.h 647 @$(XECHO) Generating $@ ; \ 648 : Extract the config macros ; \ 649 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 650 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 651 rm $@.tmp 652 653$(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s 654 @$(XECHO) Generating $@ 655 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 656 657$(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c 658 @mkdir -p $(obj)lib 659 $(CC) -DDO_DEPS_ONLY \ 660 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 661 -o $@ $(src)lib/asm-offsets.c -c -S 662 663$(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 664 @$(XECHO) Generating $@ 665 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 666 667$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h 668 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 669 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 670 $(CC) -DDO_DEPS_ONLY \ 671 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 672 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 673 else \ 674 touch $@; \ 675 fi 676 677######################################################################### 678else # !config.mk 679all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 680$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 681$(filter-out tools,$(SUBDIRS)) \ 682depend dep tags ctags etags cscope $(obj)System.map: 683 @echo "System not configured - see README" >&2 684 @ exit 1 685 686tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 687 $(MAKE) -C $@ all 688endif # config.mk 689 690# ARM relocations should all be R_ARM_RELATIVE. 691checkarmreloc: $(obj)u-boot 692 @if test "R_ARM_RELATIVE" != \ 693 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \ 694 then echo "$< contains relocations other than \ 695 R_ARM_RELATIVE"; false; fi 696 697$(VERSION_FILE): 698 @mkdir -p $(dir $(VERSION_FILE)) 699 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 700 printf '#define PLAIN_VERSION "%s%s"\n' \ 701 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 702 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 703 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 704 ) > $@.tmp 705 @( printf '#define CC_VERSION_STRING "%s"\n' \ 706 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 707 @( printf '#define LD_VERSION_STRING "%s"\n' \ 708 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 709 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 710 711$(TIMESTAMP_FILE): 712 @mkdir -p $(dir $(TIMESTAMP_FILE)) 713 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 714 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 715 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 716 717easylogo env gdb: 718 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 719gdbtools: gdb 720 721xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 722 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 723 724tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 725 $(MAKE) -C tools HOST_TOOLS_ALL=y 726 727.PHONY : CHANGELOG 728CHANGELOG: 729 git log --no-merges U-Boot-1_1_5.. | \ 730 unexpand -a | sed -e 's/\s\s*$$//' > $@ 731 732include/license.h: tools/bin2header COPYING 733 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 734######################################################################### 735 736unconfig: 737 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 738 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 739 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 740 $(obj)include/spl-autoconf.mk \ 741 $(obj)include/tpl-autoconf.mk 742 743%_config:: unconfig 744 @$(MKCONFIG) -A $(@:_config=) 745 746sinclude $(obj).boards.depend 747$(obj).boards.depend: boards.cfg 748 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 749 750######################################################################### 751######################################################################### 752 753clean: 754 @rm -f $(obj)examples/standalone/atmel_df_pow2 \ 755 $(obj)examples/standalone/hello_world \ 756 $(obj)examples/standalone/interrupt \ 757 $(obj)examples/standalone/mem_to_mem_idma2intr \ 758 $(obj)examples/standalone/sched \ 759 $(obj)examples/standalone/smc911{11,x}_eeprom \ 760 $(obj)examples/standalone/test_burst \ 761 $(obj)examples/standalone/timer 762 @rm -f $(obj)examples/api/demo{,.bin} 763 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 764 $(obj)tools/env/fw_printenv \ 765 $(obj)tools/envcrc \ 766 $(obj)tools/gdb/{gdbcont,gdbsend} \ 767 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 768 $(obj)tools/dump{env,}image \ 769 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 770 $(obj)tools/mk{$(BOARD),}spl \ 771 $(obj)tools/mxsboot \ 772 $(obj)tools/ncb $(obj)tools/ubsha1 \ 773 $(obj)tools/kernel-doc/docproc \ 774 $(obj)tools/proftool 775 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 776 $(obj)board/matrix_vision/*/bootscript.img \ 777 $(obj)u-boot.lds \ 778 $(obj)arch/blackfin/cpu/init.{lds,elf} 779 @rm -f $(obj)include/bmp_logo.h 780 @rm -f $(obj)include/bmp_logo_data.h 781 @rm -f $(obj)lib/asm-offsets.s 782 @rm -f $(obj)include/generated/asm-offsets.h 783 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 784 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 785 @$(MAKE) -s -C doc/DocBook/ cleandocs 786 @find $(OBJTREE) -type f \ 787 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 788 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 789 -o -name '*.cfgtmp' \) -print \ 790 | xargs rm -f 791 792# Removes everything not needed for testing u-boot 793tidy: clean 794 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 795 796clobber: tidy 797 @find $(OBJTREE) -type f \( -name '*.srec' \ 798 -o -name '*.bin' -o -name u-boot.img \) \ 799 -print0 | xargs -0 rm -f 800 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 801 $(obj)cscope.* $(obj)*.*~ 802 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 803 @rm -f $(obj)u-boot.kwb 804 @rm -f $(obj)u-boot.pbl 805 @rm -f $(obj)u-boot.imx 806 @rm -f $(obj)u-boot-with-spl.imx 807 @rm -f $(obj)u-boot-with-nand-spl.imx 808 @rm -f $(obj)u-boot.ubl 809 @rm -f $(obj)u-boot.ais 810 @rm -f $(obj)u-boot.dtb 811 @rm -f $(obj)u-boot.sb 812 @rm -f $(obj)u-boot.spr 813 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 814 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 815 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 816 @rm -f $(obj)spl/u-boot-spl.lds 817 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 818 @rm -f $(obj)tpl/u-boot-spl.lds 819 @rm -f $(obj)MLO MLO.byteswap 820 @rm -f $(obj)SPL 821 @rm -f $(obj)tools/xway-swap-bytes 822 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 823 @rm -fr $(obj)include/generated 824 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 825 @rm -f $(obj)dts/*.tmp 826 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 827 828mrproper \ 829distclean: clobber unconfig 830ifneq ($(OBJTREE),$(SRCTREE)) 831 rm -rf $(obj)* 832endif 833 834backup: 835 F=`basename $(TOPDIR)` ; cd .. ; \ 836 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 837 838######################################################################### 839