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 = 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-$(CONFIG_OF_EMBED) += dts/ 231LIBS-y += arch/$(ARCH)/lib/ 232LIBS-y += fs/ 233LIBS-y += net/ 234LIBS-y += disk/ 235LIBS-y += drivers/ 236LIBS-y += drivers/dma/ 237LIBS-y += drivers/gpio/ 238LIBS-y += drivers/i2c/ 239LIBS-y += drivers/input/ 240LIBS-y += drivers/mmc/ 241LIBS-y += drivers/mtd/ 242LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 243LIBS-y += drivers/mtd/onenand/ 244LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 245LIBS-y += drivers/mtd/spi/ 246LIBS-y += drivers/net/ 247LIBS-y += drivers/net/phy/ 248LIBS-y += drivers/pci/ 249LIBS-y += drivers/power/ \ 250 drivers/power/fuel_gauge/ \ 251 drivers/power/mfd/ \ 252 drivers/power/pmic/ \ 253 drivers/power/battery/ 254LIBS-y += drivers/spi/ 255LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 256LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 257LIBS-y += drivers/serial/ 258LIBS-y += drivers/usb/eth/ 259LIBS-y += drivers/usb/gadget/ 260LIBS-y += drivers/usb/host/ 261LIBS-y += drivers/usb/musb/ 262LIBS-y += drivers/usb/musb-new/ 263LIBS-y += drivers/usb/phy/ 264LIBS-y += drivers/usb/ulpi/ 265LIBS-y += common/ 266LIBS-y += lib/libfdt/ 267LIBS-$(CONFIG_API) += api/ 268LIBS-$(CONFIG_HAS_POST) += post/ 269LIBS-y += test/ 270 271ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 272LIBS-y += arch/$(ARCH)/imx-common/ 273endif 274 275LIBS-$(CONFIG_ARM) += arch/arm/cpu/ 276LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ 277 278LIBS-y += board/$(BOARDDIR)/ 279 280LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) 281LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 282.PHONY : $(LIBS) 283 284# Add GCC lib 285ifdef USE_PRIVATE_LIBGCC 286ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 287PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 288else 289PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 290endif 291else 292PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 293endif 294PLATFORM_LIBS += $(PLATFORM_LIBGCC) 295export PLATFORM_LIBS 296 297# Special flags for CPP when processing the linker script. 298# Pass the version down so we can handle backwards compatibility 299# on the fly. 300LDPPFLAGS += \ 301 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 302 -DCPUDIR=$(CPUDIR) \ 303 $(shell $(LD) --version | \ 304 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 305 306__OBJS := $(subst $(obj),,$(OBJS)) 307__LIBS := $(subst $(obj),,$(LIBS)) 308 309######################################################################### 310######################################################################### 311 312ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 313BOARD_SIZE_CHECK = \ 314 @actual=`wc -c $@ | awk '{print $$1}'`; \ 315 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 316 if test $$actual -gt $$limit; then \ 317 echo "$@ exceeds file size limit:" >&2 ; \ 318 echo " limit: $$limit bytes" >&2 ; \ 319 echo " actual: $$actual bytes" >&2 ; \ 320 echo " excess: $$((actual - limit)) bytes" >&2; \ 321 exit 1; \ 322 fi 323else 324BOARD_SIZE_CHECK = 325endif 326 327# Statically apply RELA-style relocations (currently arm64 only) 328ifneq ($(CONFIG_STATIC_RELA),) 329# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 330DO_STATIC_RELA = \ 331 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 332 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 333 $(obj)tools/relocate-rela $(2) $(3) $$start $$end 334else 335DO_STATIC_RELA = 336endif 337 338# Always append ALL so that arch config.mk's can add custom ones 339ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 340 341ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 342ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 343ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 344ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 345ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 346ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 347ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 348ifneq ($(CONFIG_SPL_TARGET),) 349ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%) 350endif 351ALL-$(CONFIG_REMAKE_ELF) += $(obj)u-boot.elf 352 353# enable combined SPL/u-boot/dtb rules for tegra 354ifneq ($(CONFIG_TEGRA),) 355ifeq ($(CONFIG_SPL),y) 356ifeq ($(CONFIG_OF_SEPARATE),y) 357ALL-y += $(obj)u-boot-dtb-tegra.bin 358else 359ALL-y += $(obj)u-boot-nodtb-tegra.bin 360endif 361endif 362endif 363 364build := -f $(TOPDIR)/scripts/Makefile.build -C 365 366all: $(ALL-y) $(SUBDIR_EXAMPLES-y) 367 368$(obj)u-boot.dtb: checkdtc $(obj)u-boot 369 $(MAKE) $(build) dts binary 370 mv $(obj)dts/dt.dtb $@ 371 372$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 373 cat $^ >$@ 374 375$(obj)u-boot.hex: $(obj)u-boot 376 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 377 378$(obj)u-boot.srec: $(obj)u-boot 379 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 380 381$(obj)u-boot.bin: $(obj)u-boot 382 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 383 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 384 $(BOARD_SIZE_CHECK) 385 386$(obj)u-boot.ldr: $(obj)u-boot 387 $(CREATE_LDR_ENV) 388 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 389 $(BOARD_SIZE_CHECK) 390 391$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 392 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 393 394$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 395 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 396 397# 398# U-Boot entry point, needed for booting of full-blown U-Boot 399# from the SPL U-Boot version. 400# 401ifndef CONFIG_SYS_UBOOT_START 402CONFIG_SYS_UBOOT_START := 0 403endif 404 405$(obj)u-boot.img: $(obj)u-boot.bin 406 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 407 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 408 -e $(CONFIG_SYS_UBOOT_START) \ 409 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 410 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 411 -d $< $@ 412 413$(obj)u-boot.imx: $(obj)u-boot.bin depend 414 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 415 416$(obj)u-boot.kwb: $(obj)u-boot.bin 417 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 418 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 419 420$(obj)u-boot.pbl: $(obj)u-boot.bin 421 $(obj)tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 422 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 423 -d $< $@ 424 425$(obj)u-boot.sha1: $(obj)u-boot.bin 426 $(obj)tools/ubsha1 $(obj)u-boot.bin 427 428$(obj)u-boot.dis: $(obj)u-boot 429 $(OBJDUMP) -d $< > $@ 430 431# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 432# $(4) is pad-to 433SPL_PAD_APPEND = \ 434 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 435 $(1) $(obj)$(3); \ 436 cat $(obj)$(3) $(2) > $@; \ 437 rm $(obj)$(3) 438 439ifdef CONFIG_TPL 440SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 441else 442SPL_PAYLOAD := $(obj)u-boot.bin 443endif 444 445$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 446 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 447 448$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 449 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 450 451$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 452 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 453 $(OBJTREE)/u-boot-with-spl.imx 454 455$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 456 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 457 $(OBJTREE)/u-boot-with-nand-spl.imx 458 459$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 460 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 461 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 462 463$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 464 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 465 -T aisimage \ 466 -e $(CONFIG_SPL_TEXT_BASE) \ 467 -d $(obj)spl/u-boot-spl.bin \ 468 $(obj)spl/u-boot-spl.ais 469 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 470 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 471 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 472 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 473 $(obj)u-boot.ais 474 475 476$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 477 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 478 479# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 480# Both images are created using mkimage (crc etc), so that the ROM 481# bootloader can check its integrity. Padding needs to be done to the 482# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 483# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 484# The resulting image containing both U-Boot images is called u-boot.spr 485$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 486 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 487 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 488 -d $(obj)spl/u-boot-spl.bin $@ 489 $(OBJCOPY) -I binary -O binary \ 490 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 491 cat $(obj)u-boot.img >> $@ 492 493ifneq ($(CONFIG_TEGRA),) 494$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 495 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 496 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 497 rm $(obj)spl/u-boot-spl-pad.bin 498 499ifeq ($(CONFIG_OF_SEPARATE),y) 500$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 501 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 502endif 503endif 504 505$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 506 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 507 508# PPC4xx needs the SPL at the end of the image, since the reset vector 509# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 510# and need to introduce a new build target with the full blown U-Boot 511# at the start padded up to the start of the SPL image. And then concat 512# the SPL image to the end. 513$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 514 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 515 --gap-fill=0xff $(obj)u-boot.img $@ 516 cat $(obj)spl/u-boot-spl.bin >> $@ 517 518# Create a new ELF from a raw binary file. This is useful for arm64 519# where static relocation needs to be performed on the raw binary, 520# but certain simulators only accept an ELF file (but don't do the 521# relocation). 522# FIXME refactor dts/Makefile to share target/arch detection 523$(obj)u-boot.elf: $(obj)u-boot.bin 524 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 525 $< $(obj)u-boot-elf.o 526 @$(LD) $(obj)u-boot-elf.o -o $@ \ 527 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 528 -Ttext=$(CONFIG_SYS_TEXT_BASE) 529 530ifeq ($(CONFIG_SANDBOX),y) 531GEN_UBOOT = \ 532 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 533 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 534 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 535else 536GEN_UBOOT = \ 537 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 538 $(__OBJS) \ 539 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 540 -Map u-boot.map -o u-boot 541endif 542 543$(obj)u-boot: depend \ 544 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds 545 $(GEN_UBOOT) 546ifeq ($(CONFIG_KALLSYMS),y) 547 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 548 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 549 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 550 -c common/system_map.c -o $(obj)common/system_map.o 551 $(GEN_UBOOT) $(obj)common/system_map.o 552endif 553 554$(OBJS): 555 @: 556 557$(LIBS): depend $(SUBDIR_TOOLS) 558 $(MAKE) $(build) $(dir $(subst $(obj),,$@)) 559 560$(SUBDIRS): depend 561 $(MAKE) -C $@ all 562 563$(SUBDIR_EXAMPLES-y): $(obj)u-boot 564 565$(obj)u-boot.lds: $(LDSCRIPT) depend 566 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 567 568nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 569 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 570 571$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 572 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 573 574$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 575 $(MAKE) -C spl all 576 577$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 578 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 579 580# Explicitly make _depend in subdirs containing multiple targets to prevent 581# parallel sub-makes creating .depend files simultaneously. 582depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 583 $(obj)include/spl-autoconf.mk \ 584 $(obj)include/tpl-autoconf.mk \ 585 $(obj)include/autoconf.mk \ 586 $(obj)include/generated/generic-asm-offsets.h \ 587 $(obj)include/generated/asm-offsets.h 588 589TAG_SUBDIRS = $(SUBDIRS) 590TAG_SUBDIRS += $(dir $(__LIBS)) 591TAG_SUBDIRS += include 592 593FIND := find 594FINDFLAGS := -L 595 596checkstack: 597 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 598 `$(FIND) $(obj) -name u-boot-spl -print` | \ 599 perl $(src)scripts/checkstack.pl $(ARCH) 600 601tags ctags: 602 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 603 -name '*.[chS]' -print` 604 605etags: 606 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 607 -name '*.[chS]' -print` 608cscope: 609 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 610 cscope.files 611 cscope -b -q -k 612 613SYSTEM_MAP = \ 614 $(NM) $1 | \ 615 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 616 LC_ALL=C sort 617$(obj)System.map: $(obj)u-boot 618 @$(call SYSTEM_MAP,$<) > $@ 619 620checkthumb: 621 @if test $(call cc-version) -lt 0404; then \ 622 echo -n '*** Your GCC does not produce working '; \ 623 echo 'binaries in THUMB mode.'; \ 624 echo '*** Your board is configured for THUMB mode.'; \ 625 false; \ 626 fi 627 628# GCC 3.x is reported to have problems generating the type of relocation 629# that U-Boot wants. 630# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 631checkgcc4: 632 @if test $(call cc-version) -lt 0400; then \ 633 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 634 false; \ 635 fi 636 637checkdtc: 638 @if test $(call dtc-version) -lt 0104; then \ 639 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 640 false; \ 641 fi 642 643# 644# Auto-generate the autoconf.mk file (which is included by all makefiles) 645# 646# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 647# the dep file is only include in this top level makefile to determine when 648# to regenerate the autoconf.mk file. 649$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 650 @$(XECHO) Generating $@ ; \ 651 : Generate the dependancies ; \ 652 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 653 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \ 654 rm $@ 655 656$(obj)include/autoconf.mk: $(obj)include/config.h 657 @$(XECHO) Generating $@ ; \ 658 : Extract the config macros ; \ 659 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 660 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 661 rm $@.tmp 662 663# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 664$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 665 @$(XECHO) Generating $@ ; \ 666 : Extract the config macros ; \ 667 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 668 -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 669 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 670 rm $@.tmp 671 672$(obj)include/spl-autoconf.mk: $(obj)include/config.h 673 @$(XECHO) Generating $@ ; \ 674 : Extract the config macros ; \ 675 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 676 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 677 rm $@.tmp 678 679$(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s 680 @$(XECHO) Generating $@ 681 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 682 683$(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c 684 @mkdir -p $(obj)lib 685 $(CC) -DDO_DEPS_ONLY \ 686 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 687 -o $@ $(src)lib/asm-offsets.c -c -S 688 689$(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 690 @$(XECHO) Generating $@ 691 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 692 693$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h 694 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 695 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 696 $(CC) -DDO_DEPS_ONLY \ 697 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 698 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 699 else \ 700 touch $@; \ 701 fi 702 703######################################################################### 704else # !config.mk 705all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 706$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 707$(filter-out tools,$(SUBDIRS)) \ 708depend dep tags ctags etags cscope $(obj)System.map: 709 @echo "System not configured - see README" >&2 710 @ exit 1 711 712tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 713 $(MAKE) -C $@ all 714endif # config.mk 715 716# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 717# R_AARCH64_RELATIVE (64-bit). 718checkarmreloc: $(obj)u-boot 719 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 720 grep R_A | sort -u`"; \ 721 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 722 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 723 echo "$< contains unexpected relocations: $$RELOC"; \ 724 false; \ 725 fi 726 727$(VERSION_FILE): 728 @mkdir -p $(dir $(VERSION_FILE)) 729 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 730 printf '#define PLAIN_VERSION "%s%s"\n' \ 731 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 732 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 733 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 734 ) > $@.tmp 735 @( printf '#define CC_VERSION_STRING "%s"\n' \ 736 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 737 @( printf '#define LD_VERSION_STRING "%s"\n' \ 738 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 739 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 740 741$(TIMESTAMP_FILE): 742 @mkdir -p $(dir $(TIMESTAMP_FILE)) 743 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 744 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 745 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 746 747easylogo env gdb: 748 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 749gdbtools: gdb 750 751xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 752 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 753 754tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 755 $(MAKE) -C tools HOST_TOOLS_ALL=y 756 757.PHONY : CHANGELOG 758CHANGELOG: 759 git log --no-merges U-Boot-1_1_5.. | \ 760 unexpand -a | sed -e 's/\s\s*$$//' > $@ 761 762include/license.h: tools/bin2header COPYING 763 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 764######################################################################### 765 766unconfig: 767 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 768 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 769 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 770 $(obj)include/spl-autoconf.mk \ 771 $(obj)include/tpl-autoconf.mk 772 773%_config:: unconfig 774 @$(MKCONFIG) -A $(@:_config=) 775 776sinclude $(obj).boards.depend 777$(obj).boards.depend: boards.cfg 778 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 779 780######################################################################### 781######################################################################### 782 783clean: 784 @rm -f $(obj)examples/standalone/atmel_df_pow2 \ 785 $(obj)examples/standalone/hello_world \ 786 $(obj)examples/standalone/interrupt \ 787 $(obj)examples/standalone/mem_to_mem_idma2intr \ 788 $(obj)examples/standalone/sched \ 789 $(obj)examples/standalone/smc911{11,x}_eeprom \ 790 $(obj)examples/standalone/test_burst \ 791 $(obj)examples/standalone/timer 792 @rm -f $(obj)examples/api/demo{,.bin} 793 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 794 $(obj)tools/env/fw_printenv \ 795 $(obj)tools/envcrc \ 796 $(obj)tools/gdb/{gdbcont,gdbsend} \ 797 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 798 $(obj)tools/dump{env,}image \ 799 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 800 $(obj)tools/mk{$(BOARD),}spl \ 801 $(obj)tools/mxsboot \ 802 $(obj)tools/ncb $(obj)tools/ubsha1 \ 803 $(obj)tools/kernel-doc/docproc \ 804 $(obj)tools/proftool 805 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 806 $(obj)board/matrix_vision/*/bootscript.img \ 807 $(obj)u-boot.lds \ 808 $(obj)arch/blackfin/cpu/init.{lds,elf} 809 @rm -f $(obj)include/bmp_logo.h 810 @rm -f $(obj)include/bmp_logo_data.h 811 @rm -f $(obj)lib/asm-offsets.s 812 @rm -f $(obj)include/generated/asm-offsets.h 813 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 814 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 815 @$(MAKE) -s -C doc/DocBook/ cleandocs 816 @find $(OBJTREE) -type f \ 817 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 818 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 819 -o -name '*.cfgtmp' \) -print \ 820 | xargs rm -f 821 822# Removes everything not needed for testing u-boot 823tidy: clean 824 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 825 826clobber: tidy 827 @find $(OBJTREE) -type f \( -name '*.srec' \ 828 -o -name '*.bin' -o -name u-boot.img \) \ 829 -print0 | xargs -0 rm -f 830 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 831 $(obj)cscope.* $(obj)*.*~ 832 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 833 @rm -f $(obj)u-boot.kwb 834 @rm -f $(obj)u-boot.pbl 835 @rm -f $(obj)u-boot.imx 836 @rm -f $(obj)u-boot-with-spl.imx 837 @rm -f $(obj)u-boot-with-nand-spl.imx 838 @rm -f $(obj)u-boot.ubl 839 @rm -f $(obj)u-boot.ais 840 @rm -f $(obj)u-boot.dtb 841 @rm -f $(obj)u-boot.sb 842 @rm -f $(obj)u-boot.spr 843 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 844 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 845 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 846 @rm -f $(obj)spl/u-boot-spl.lds 847 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 848 @rm -f $(obj)tpl/u-boot-spl.lds 849 @rm -f $(obj)MLO MLO.byteswap 850 @rm -f $(obj)SPL 851 @rm -f $(obj)tools/xway-swap-bytes 852 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 853 @rm -fr $(obj)include/generated 854 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 855 @rm -f $(obj)dts/*.tmp 856 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 857 858mrproper \ 859distclean: clobber unconfig 860ifneq ($(OBJTREE),$(SRCTREE)) 861 rm -rf $(obj)* 862endif 863 864backup: 865 F=`basename $(TOPDIR)` ; cd .. ; \ 866 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 867 868######################################################################### 869