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 129build := -f $(TOPDIR)/scripts/Makefile.build -C 130 131# The "tools" are needed early, so put this first 132# Don't include stuff already done in $(LIBS) 133# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 134# is "yes"), so compile examples after U-Boot is compiled. 135SUBDIR_TOOLS = tools 136SUBDIRS = $(SUBDIR_TOOLS) 137 138.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 139 140ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk)) 141 142# Include autoconf.mk before config.mk so that the config options are available 143# to all top level build files. We need the dummy all: target to prevent the 144# dependency target in autoconf.mk.dep from being the default. 145all: 146sinclude $(obj)include/autoconf.mk.dep 147sinclude $(obj)include/autoconf.mk 148 149SUBDIR_EXAMPLES-y := examples/standalone 150SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api 151ifndef CONFIG_SANDBOX 152SUBDIRS += $(SUBDIR_EXAMPLES-y) 153endif 154 155# load ARCH, BOARD, and CPU configuration 156include $(obj)include/config.mk 157export ARCH CPU BOARD VENDOR SOC 158 159# set default to nothing for native builds 160ifeq ($(HOSTARCH),$(ARCH)) 161CROSS_COMPILE ?= 162endif 163 164# SHELL used by kbuild 165CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 166 else if [ -x /bin/bash ]; then echo /bin/bash; \ 167 else echo sh; fi ; fi) 168 169HOSTCC = gcc 170HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 171 172ifeq ($(HOSTOS),cygwin) 173HOSTCFLAGS += -ansi 174endif 175 176# Mac OS X / Darwin's C preprocessor is Apple specific. It 177# generates numerous errors and warnings. We want to bypass it 178# and use GNU C's cpp. To do this we pass the -traditional-cpp 179# option to the compiler. Note that the -traditional-cpp flag 180# DOES NOT have the same semantics as GNU C's flag, all it does 181# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 182# 183# Apple's linker is similar, thanks to the new 2 stage linking 184# multiple symbol definitions are treated as errors, hence the 185# -multiply_defined suppress option to turn off this error. 186# 187ifeq ($(HOSTOS),darwin) 188# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 189DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 190DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 191 192os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 193 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 194 195# Snow Leopards build environment has no longer restrictions as described above 196HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 197HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 198HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 199endif 200 201# Make variables (CC, etc...) 202 203AS = $(CROSS_COMPILE)as 204# Always use GNU ld 205ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 206LD = $(CROSS_COMPILE)ld.bfd 207else 208LD = $(CROSS_COMPILE)ld 209endif 210CC = $(CROSS_COMPILE)gcc 211CPP = $(CC) -E 212AR = $(CROSS_COMPILE)ar 213NM = $(CROSS_COMPILE)nm 214LDR = $(CROSS_COMPILE)ldr 215STRIP = $(CROSS_COMPILE)strip 216OBJCOPY = $(CROSS_COMPILE)objcopy 217OBJDUMP = $(CROSS_COMPILE)objdump 218AWK = awk 219RANLIB = $(CROSS_COMPILE)RANLIB 220DTC = dtc 221CHECK = sparse 222 223CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 224 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 225 226export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 227export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 228export MAKE AWK 229export DTC CHECK CHECKFLAGS 230 231# load other configuration 232include $(TOPDIR)/config.mk 233 234# Targets which don't build the source code 235NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig 236 237# Only do the generic board check when actually building, not configuring 238ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),) 239ifeq ($(findstring _config,$(MAKECMDGOALS)),) 240$(CHECK_GENERIC_BOARD) 241endif 242endif 243 244# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 245# that (or fail if absent). Otherwise, search for a linker script in a 246# standard location. 247 248LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 249 250ifndef LDSCRIPT 251 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 252 ifdef CONFIG_SYS_LDSCRIPT 253 # need to strip off double quotes 254 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 255 endif 256endif 257 258# If there is no specified link script, we look in a number of places for it 259ifndef LDSCRIPT 260 ifeq ($(CONFIG_NAND_U_BOOT),y) 261 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 262 ifeq ($(wildcard $(LDSCRIPT)),) 263 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 264 endif 265 endif 266 ifeq ($(wildcard $(LDSCRIPT)),) 267 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 268 endif 269 ifeq ($(wildcard $(LDSCRIPT)),) 270 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 271 endif 272 ifeq ($(wildcard $(LDSCRIPT)),) 273 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 274 # We don't expect a Makefile here 275 LDSCRIPT_MAKEFILE_DIR = 276 endif 277 ifeq ($(wildcard $(LDSCRIPT)),) 278$(error could not find linker script) 279 endif 280endif 281 282######################################################################### 283# U-Boot objects....order is important (i.e. start must be first) 284 285head-y := $(CPUDIR)/start.o 286head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 287head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 288 289OBJS := $(addprefix $(obj),$(head-y)) 290 291HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 292 293LIBS-y += lib/ 294LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 295LIBS-y += $(CPUDIR)/ 296ifdef SOC 297LIBS-y += $(CPUDIR)/$(SOC)/ 298endif 299LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 300LIBS-$(CONFIG_OF_EMBED) += dts/ 301LIBS-y += arch/$(ARCH)/lib/ 302LIBS-y += fs/ 303LIBS-y += net/ 304LIBS-y += disk/ 305LIBS-y += drivers/ 306LIBS-y += drivers/dma/ 307LIBS-y += drivers/gpio/ 308LIBS-y += drivers/i2c/ 309LIBS-y += drivers/input/ 310LIBS-y += drivers/mmc/ 311LIBS-y += drivers/mtd/ 312LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 313LIBS-y += drivers/mtd/onenand/ 314LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 315LIBS-y += drivers/mtd/spi/ 316LIBS-y += drivers/net/ 317LIBS-y += drivers/net/phy/ 318LIBS-y += drivers/pci/ 319LIBS-y += drivers/power/ \ 320 drivers/power/fuel_gauge/ \ 321 drivers/power/mfd/ \ 322 drivers/power/pmic/ \ 323 drivers/power/battery/ 324LIBS-y += drivers/spi/ 325LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 326LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 327LIBS-y += drivers/serial/ 328LIBS-y += drivers/usb/eth/ 329LIBS-y += drivers/usb/gadget/ 330LIBS-y += drivers/usb/host/ 331LIBS-y += drivers/usb/musb/ 332LIBS-y += drivers/usb/musb-new/ 333LIBS-y += drivers/usb/phy/ 334LIBS-y += drivers/usb/ulpi/ 335LIBS-y += common/ 336LIBS-y += lib/libfdt/ 337LIBS-$(CONFIG_API) += api/ 338LIBS-$(CONFIG_HAS_POST) += post/ 339LIBS-y += test/ 340 341ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 342LIBS-y += arch/$(ARCH)/imx-common/ 343endif 344 345LIBS-$(CONFIG_ARM) += arch/arm/cpu/ 346LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ 347 348LIBS-y += board/$(BOARDDIR)/ 349 350LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) 351LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 352.PHONY : $(LIBS) 353 354# Add GCC lib 355ifdef USE_PRIVATE_LIBGCC 356ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 357PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 358else 359PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 360endif 361else 362PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 363endif 364PLATFORM_LIBS += $(PLATFORM_LIBGCC) 365export PLATFORM_LIBS 366 367# Special flags for CPP when processing the linker script. 368# Pass the version down so we can handle backwards compatibility 369# on the fly. 370LDPPFLAGS += \ 371 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 372 -DCPUDIR=$(CPUDIR) \ 373 $(shell $(LD) --version | \ 374 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 375 376__OBJS := $(subst $(obj),,$(OBJS)) 377__LIBS := $(subst $(obj),,$(LIBS)) 378 379######################################################################### 380######################################################################### 381 382ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 383BOARD_SIZE_CHECK = \ 384 @actual=`wc -c $@ | awk '{print $$1}'`; \ 385 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 386 if test $$actual -gt $$limit; then \ 387 echo "$@ exceeds file size limit:" >&2 ; \ 388 echo " limit: $$limit bytes" >&2 ; \ 389 echo " actual: $$actual bytes" >&2 ; \ 390 echo " excess: $$((actual - limit)) bytes" >&2; \ 391 exit 1; \ 392 fi 393else 394BOARD_SIZE_CHECK = 395endif 396 397# Statically apply RELA-style relocations (currently arm64 only) 398ifneq ($(CONFIG_STATIC_RELA),) 399# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 400DO_STATIC_RELA = \ 401 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 402 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 403 $(obj)tools/relocate-rela $(2) $(3) $$start $$end 404else 405DO_STATIC_RELA = 406endif 407 408# Always append ALL so that arch config.mk's can add custom ones 409ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 410 411ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 412ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 413ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 414ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 415ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 416ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 417ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 418ifneq ($(CONFIG_SPL_TARGET),) 419ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%) 420endif 421ALL-$(CONFIG_REMAKE_ELF) += $(obj)u-boot.elf 422 423# enable combined SPL/u-boot/dtb rules for tegra 424ifneq ($(CONFIG_TEGRA),) 425ifeq ($(CONFIG_SPL),y) 426ifeq ($(CONFIG_OF_SEPARATE),y) 427ALL-y += $(obj)u-boot-dtb-tegra.bin 428else 429ALL-y += $(obj)u-boot-nodtb-tegra.bin 430endif 431endif 432endif 433 434all: $(ALL-y) $(SUBDIR_EXAMPLES-y) 435 436$(obj)u-boot.dtb: checkdtc $(obj)u-boot 437 $(MAKE) $(build) dts binary 438 mv $(obj)dts/dt.dtb $@ 439 440$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 441 cat $^ >$@ 442 443$(obj)u-boot.hex: $(obj)u-boot 444 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 445 446$(obj)u-boot.srec: $(obj)u-boot 447 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 448 449$(obj)u-boot.bin: $(obj)u-boot 450 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 451 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 452 $(BOARD_SIZE_CHECK) 453 454$(obj)u-boot.ldr: $(obj)u-boot 455 $(CREATE_LDR_ENV) 456 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 457 $(BOARD_SIZE_CHECK) 458 459$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 460 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 461 462$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 463 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 464 465# 466# U-Boot entry point, needed for booting of full-blown U-Boot 467# from the SPL U-Boot version. 468# 469ifndef CONFIG_SYS_UBOOT_START 470CONFIG_SYS_UBOOT_START := 0 471endif 472 473$(obj)u-boot.img: $(obj)u-boot.bin 474 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 475 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 476 -e $(CONFIG_SYS_UBOOT_START) \ 477 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 478 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 479 -d $< $@ 480 481$(obj)u-boot.imx: $(obj)u-boot.bin depend 482 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 483 484$(obj)u-boot.kwb: $(obj)u-boot.bin 485 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 486 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 487 488$(obj)u-boot.pbl: $(obj)u-boot.bin 489 $(obj)tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 490 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 491 -d $< $@ 492 493$(obj)u-boot.sha1: $(obj)u-boot.bin 494 $(obj)tools/ubsha1 $(obj)u-boot.bin 495 496$(obj)u-boot.dis: $(obj)u-boot 497 $(OBJDUMP) -d $< > $@ 498 499# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 500# $(4) is pad-to 501SPL_PAD_APPEND = \ 502 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 503 $(1) $(obj)$(3); \ 504 cat $(obj)$(3) $(2) > $@; \ 505 rm $(obj)$(3) 506 507ifdef CONFIG_TPL 508SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 509else 510SPL_PAYLOAD := $(obj)u-boot.bin 511endif 512 513$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 514 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 515 516$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 517 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 518 519$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 520 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 521 $(OBJTREE)/u-boot-with-spl.imx 522 523$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 524 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 525 $(OBJTREE)/u-boot-with-nand-spl.imx 526 527$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 528 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 529 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 530 531$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 532 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 533 -T aisimage \ 534 -e $(CONFIG_SPL_TEXT_BASE) \ 535 -d $(obj)spl/u-boot-spl.bin \ 536 $(obj)spl/u-boot-spl.ais 537 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 538 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 539 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 540 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 541 $(obj)u-boot.ais 542 543 544$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 545 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 546 547# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 548# Both images are created using mkimage (crc etc), so that the ROM 549# bootloader can check its integrity. Padding needs to be done to the 550# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 551# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 552# The resulting image containing both U-Boot images is called u-boot.spr 553$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 554 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 555 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 556 -d $(obj)spl/u-boot-spl.bin $@ 557 $(OBJCOPY) -I binary -O binary \ 558 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 559 cat $(obj)u-boot.img >> $@ 560 561ifneq ($(CONFIG_TEGRA),) 562$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 563 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 564 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 565 rm $(obj)spl/u-boot-spl-pad.bin 566 567ifeq ($(CONFIG_OF_SEPARATE),y) 568$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 569 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 570endif 571endif 572 573$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 574 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 575 576# PPC4xx needs the SPL at the end of the image, since the reset vector 577# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 578# and need to introduce a new build target with the full blown U-Boot 579# at the start padded up to the start of the SPL image. And then concat 580# the SPL image to the end. 581$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 582 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 583 --gap-fill=0xff $(obj)u-boot.img $@ 584 cat $(obj)spl/u-boot-spl.bin >> $@ 585 586# Create a new ELF from a raw binary file. This is useful for arm64 587# where static relocation needs to be performed on the raw binary, 588# but certain simulators only accept an ELF file (but don't do the 589# relocation). 590# FIXME refactor dts/Makefile to share target/arch detection 591$(obj)u-boot.elf: $(obj)u-boot.bin 592 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 593 $< $(obj)u-boot-elf.o 594 @$(LD) $(obj)u-boot-elf.o -o $@ \ 595 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 596 -Ttext=$(CONFIG_SYS_TEXT_BASE) 597 598ifeq ($(CONFIG_SANDBOX),y) 599GEN_UBOOT = \ 600 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 601 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 602 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 603else 604GEN_UBOOT = \ 605 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 606 $(__OBJS) \ 607 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 608 -Map u-boot.map -o u-boot 609endif 610 611$(obj)u-boot: depend \ 612 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds 613 $(GEN_UBOOT) 614ifeq ($(CONFIG_KALLSYMS),y) 615 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 616 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 617 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 618 -c common/system_map.c -o $(obj)common/system_map.o 619 $(GEN_UBOOT) $(obj)common/system_map.o 620endif 621 622$(OBJS): 623 @: 624 625$(LIBS): depend $(SUBDIR_TOOLS) 626 $(MAKE) $(build) $(dir $(subst $(obj),,$@)) 627 628$(SUBDIRS): depend 629 $(MAKE) $(build) $@ all 630 631$(SUBDIR_EXAMPLES-y): $(obj)u-boot 632 633$(obj)u-boot.lds: $(LDSCRIPT) depend 634 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 635 636nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 637 $(MAKE) $(build) nand_spl/board/$(BOARDDIR) all 638 639$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 640 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 641 642$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 643 $(MAKE) -C spl all 644 645$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 646 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 647 648# Explicitly make _depend in subdirs containing multiple targets to prevent 649# parallel sub-makes creating .depend files simultaneously. 650depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 651 $(obj)include/spl-autoconf.mk \ 652 $(obj)include/tpl-autoconf.mk \ 653 $(obj)include/autoconf.mk \ 654 $(obj)include/generated/generic-asm-offsets.h \ 655 $(obj)include/generated/asm-offsets.h 656 657TAG_SUBDIRS = $(SUBDIRS) 658TAG_SUBDIRS += $(dir $(__LIBS)) 659TAG_SUBDIRS += include 660 661FIND := find 662FINDFLAGS := -L 663 664checkstack: 665 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 666 `$(FIND) $(obj) -name u-boot-spl -print` | \ 667 perl $(src)scripts/checkstack.pl $(ARCH) 668 669tags ctags: 670 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 671 -name '*.[chS]' -print` 672 673etags: 674 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 675 -name '*.[chS]' -print` 676cscope: 677 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 678 cscope.files 679 cscope -b -q -k 680 681SYSTEM_MAP = \ 682 $(NM) $1 | \ 683 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 684 LC_ALL=C sort 685$(obj)System.map: $(obj)u-boot 686 @$(call SYSTEM_MAP,$<) > $@ 687 688checkthumb: 689 @if test $(call cc-version) -lt 0404; then \ 690 echo -n '*** Your GCC does not produce working '; \ 691 echo 'binaries in THUMB mode.'; \ 692 echo '*** Your board is configured for THUMB mode.'; \ 693 false; \ 694 fi 695 696# GCC 3.x is reported to have problems generating the type of relocation 697# that U-Boot wants. 698# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 699checkgcc4: 700 @if test $(call cc-version) -lt 0400; then \ 701 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 702 false; \ 703 fi 704 705checkdtc: 706 @if test $(call dtc-version) -lt 0104; then \ 707 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 708 false; \ 709 fi 710 711# 712# Auto-generate the autoconf.mk file (which is included by all makefiles) 713# 714# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 715# the dep file is only include in this top level makefile to determine when 716# to regenerate the autoconf.mk file. 717$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 718 @$(XECHO) Generating $@ ; \ 719 : Generate the dependancies ; \ 720 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 721 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \ 722 rm $@ 723 724$(obj)include/autoconf.mk: $(obj)include/config.h 725 @$(XECHO) Generating $@ ; \ 726 : Extract the config macros ; \ 727 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 728 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 729 rm $@.tmp 730 731# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 732$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 733 @$(XECHO) Generating $@ ; \ 734 : Extract the config macros ; \ 735 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 736 -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 737 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 738 rm $@.tmp 739 740$(obj)include/spl-autoconf.mk: $(obj)include/config.h 741 @$(XECHO) Generating $@ ; \ 742 : Extract the config macros ; \ 743 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 744 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 745 rm $@.tmp 746 747$(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s 748 @$(XECHO) Generating $@ 749 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 750 751$(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c 752 @mkdir -p $(obj)lib 753 $(CC) -DDO_DEPS_ONLY \ 754 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 755 -o $@ $(src)lib/asm-offsets.c -c -S 756 757$(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 758 @$(XECHO) Generating $@ 759 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 760 761$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h 762 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 763 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 764 $(CC) -DDO_DEPS_ONLY \ 765 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 766 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 767 else \ 768 touch $@; \ 769 fi 770 771######################################################################### 772else # !config.mk 773all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 774$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 775$(filter-out tools,$(SUBDIRS)) \ 776depend dep tags ctags etags cscope $(obj)System.map: 777 @echo "System not configured - see README" >&2 778 @ exit 1 779 780tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 781 $(MAKE) $(build) $@ all 782endif # config.mk 783 784# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 785# R_AARCH64_RELATIVE (64-bit). 786checkarmreloc: $(obj)u-boot 787 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 788 grep R_A | sort -u`"; \ 789 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 790 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 791 echo "$< contains unexpected relocations: $$RELOC"; \ 792 false; \ 793 fi 794 795$(VERSION_FILE): 796 @mkdir -p $(dir $(VERSION_FILE)) 797 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 798 printf '#define PLAIN_VERSION "%s%s"\n' \ 799 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 800 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 801 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 802 ) > $@.tmp 803 @( printf '#define CC_VERSION_STRING "%s"\n' \ 804 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 805 @( printf '#define LD_VERSION_STRING "%s"\n' \ 806 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 807 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 808 809$(TIMESTAMP_FILE): 810 @mkdir -p $(dir $(TIMESTAMP_FILE)) 811 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 812 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 813 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 814 815easylogo env gdb: 816 $(MAKE) $(build) tools/$@ MTD_VERSION=${MTD_VERSION} 817 818gdbtools: gdb 819 820xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 821 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 822 823tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 824 $(MAKE) $(build) tools HOST_TOOLS_ALL=y 825 826.PHONY : CHANGELOG 827CHANGELOG: 828 git log --no-merges U-Boot-1_1_5.. | \ 829 unexpand -a | sed -e 's/\s\s*$$//' > $@ 830 831include/license.h: tools/bin2header COPYING 832 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 833######################################################################### 834 835unconfig: 836 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 837 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 838 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 839 $(obj)include/spl-autoconf.mk \ 840 $(obj)include/tpl-autoconf.mk 841 842%_config:: unconfig 843 @$(MKCONFIG) -A $(@:_config=) 844 845sinclude $(obj).boards.depend 846$(obj).boards.depend: boards.cfg 847 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 848 849######################################################################### 850######################################################################### 851 852clean: 853 @rm -f $(obj)examples/standalone/atmel_df_pow2 \ 854 $(obj)examples/standalone/hello_world \ 855 $(obj)examples/standalone/interrupt \ 856 $(obj)examples/standalone/mem_to_mem_idma2intr \ 857 $(obj)examples/standalone/sched \ 858 $(addprefix $(obj)examples/standalone/, smc91111_eeprom smc911x_eeprom) \ 859 $(obj)examples/standalone/test_burst \ 860 $(obj)examples/standalone/timer 861 @rm -f $(addprefix $(obj)examples/api/, demo demo.bin) 862 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 863 $(obj)tools/env/fw_printenv \ 864 $(obj)tools/envcrc \ 865 $(addprefix $(obj)tools/gdb/, gdbcont gdbsend) \ 866 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 867 $(obj)tools/dumpimage \ 868 $(addprefix $(obj)tools/, mkenvimage mkimage) \ 869 $(obj)tools/mpc86x_clk \ 870 $(addprefix $(obj)tools/, mk$(BOARD)spl mkexynosspl) \ 871 $(obj)tools/mxsboot \ 872 $(obj)tools/ncb $(obj)tools/ubsha1 \ 873 $(obj)tools/kernel-doc/docproc \ 874 $(obj)tools/proftool 875 @rm -f $(addprefix $(obj)board/cray/L1/, bootscript.c bootscript.image) \ 876 $(obj)board/matrix_vision/*/bootscript.img \ 877 $(obj)spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl \ 878 $(obj)u-boot.lds \ 879 $(addprefix $(obj)arch/blackfin/cpu/, init.lds init.elf) 880 @rm -f $(obj)include/bmp_logo.h 881 @rm -f $(obj)include/bmp_logo_data.h 882 @rm -f $(obj)lib/asm-offsets.s 883 @rm -f $(obj)include/generated/asm-offsets.h 884 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 885 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 886 @$(MAKE) -s -C doc/DocBook/ cleandocs 887 @find $(OBJTREE) -type f \ 888 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 889 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 890 -o -name '*.cfgtmp' \) -print \ 891 | xargs rm -f 892 893# Removes everything not needed for testing u-boot 894tidy: clean 895 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 896 897clobber: tidy 898 @find $(OBJTREE) -type f \( -name '*.srec' \ 899 -o -name '*.bin' -o -name u-boot.img \) \ 900 -print0 | xargs -0 rm -f 901 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 902 $(obj)cscope.* $(obj)*.*~ 903 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 904 @rm -f $(obj)u-boot.kwb 905 @rm -f $(obj)u-boot.pbl 906 @rm -f $(obj)u-boot.imx 907 @rm -f $(obj)u-boot-with-spl.imx 908 @rm -f $(obj)u-boot-with-nand-spl.imx 909 @rm -f $(obj)u-boot.ubl 910 @rm -f $(obj)u-boot.ais 911 @rm -f $(obj)u-boot.dtb 912 @rm -f $(obj)u-boot.sb 913 @rm -f $(obj)u-boot.spr 914 @rm -f $(addprefix $(obj)nand_spl/, u-boot.lds u-boot.lst System.map) 915 @rm -f $(addprefix $(obj)nand_spl/, u-boot-nand_spl.lds u-boot-spl u-boot-spl.map) 916 @rm -f $(addprefix $(obj)spl/, u-boot-spl u-boot-spl.bin u-boot-spl.map) 917 @rm -f $(obj)spl/u-boot-spl.lds 918 @rm -f $(addprefix $(obj)tpl/, u-boot-tpl u-boot-tpl.bin u-boot-tpl.map) 919 @rm -f $(obj)tpl/u-boot-spl.lds 920 @rm -f $(obj)MLO MLO.byteswap 921 @rm -f $(obj)SPL 922 @rm -f $(obj)tools/xway-swap-bytes 923 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 924 @rm -fr $(obj)include/generated 925 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 926 @rm -f $(obj)dts/*.tmp 927 @rm -f $(addprefix $(obj)spl/, u-boot-spl.ais, u-boot-spl-pad.ais) 928 929mrproper \ 930distclean: clobber unconfig 931ifneq ($(OBJTREE),$(SRCTREE)) 932 rm -rf $(obj)* 933endif 934 935backup: 936 F=`basename $(TOPDIR)` ; cd .. ; \ 937 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 938 939######################################################################### 940