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# load other configuration 165include $(TOPDIR)/config.mk 166 167# Targets which don't build the source code 168NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig 169 170# Only do the generic board check when actually building, not configuring 171ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),) 172ifeq ($(findstring _config,$(MAKECMDGOALS)),) 173$(CHECK_GENERIC_BOARD) 174endif 175endif 176 177# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 178# that (or fail if absent). Otherwise, search for a linker script in a 179# standard location. 180 181LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 182 183ifndef LDSCRIPT 184 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 185 ifdef CONFIG_SYS_LDSCRIPT 186 # need to strip off double quotes 187 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 188 endif 189endif 190 191# If there is no specified link script, we look in a number of places for it 192ifndef LDSCRIPT 193 ifeq ($(CONFIG_NAND_U_BOOT),y) 194 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 195 ifeq ($(wildcard $(LDSCRIPT)),) 196 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 197 endif 198 endif 199 ifeq ($(wildcard $(LDSCRIPT)),) 200 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 201 endif 202 ifeq ($(wildcard $(LDSCRIPT)),) 203 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 204 endif 205 ifeq ($(wildcard $(LDSCRIPT)),) 206 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 207 # We don't expect a Makefile here 208 LDSCRIPT_MAKEFILE_DIR = 209 endif 210 ifeq ($(wildcard $(LDSCRIPT)),) 211$(error could not find linker script) 212 endif 213endif 214 215######################################################################### 216# U-Boot objects....order is important (i.e. start must be first) 217 218head-y := $(CPUDIR)/start.o 219head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 220head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 221 222OBJS := $(addprefix $(obj),$(head-y)) 223 224HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 225 226LIBS-y += lib/ 227LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 228LIBS-y += $(CPUDIR)/ 229ifdef SOC 230LIBS-y += $(CPUDIR)/$(SOC)/ 231endif 232LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 233LIBS-$(CONFIG_OF_EMBED) += dts/ 234LIBS-y += arch/$(ARCH)/lib/ 235LIBS-y += fs/ 236LIBS-y += net/ 237LIBS-y += disk/ 238LIBS-y += drivers/ 239LIBS-y += drivers/dma/ 240LIBS-y += drivers/gpio/ 241LIBS-y += drivers/i2c/ 242LIBS-y += drivers/input/ 243LIBS-y += drivers/mmc/ 244LIBS-y += drivers/mtd/ 245LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 246LIBS-y += drivers/mtd/onenand/ 247LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 248LIBS-y += drivers/mtd/spi/ 249LIBS-y += drivers/net/ 250LIBS-y += drivers/net/phy/ 251LIBS-y += drivers/pci/ 252LIBS-y += drivers/power/ \ 253 drivers/power/fuel_gauge/ \ 254 drivers/power/mfd/ \ 255 drivers/power/pmic/ \ 256 drivers/power/battery/ 257LIBS-y += drivers/spi/ 258LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 259LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 260LIBS-y += drivers/serial/ 261LIBS-y += drivers/usb/eth/ 262LIBS-y += drivers/usb/gadget/ 263LIBS-y += drivers/usb/host/ 264LIBS-y += drivers/usb/musb/ 265LIBS-y += drivers/usb/musb-new/ 266LIBS-y += drivers/usb/phy/ 267LIBS-y += drivers/usb/ulpi/ 268LIBS-y += common/ 269LIBS-y += lib/libfdt/ 270LIBS-$(CONFIG_API) += api/ 271LIBS-$(CONFIG_HAS_POST) += post/ 272LIBS-y += test/ 273 274ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 275LIBS-y += arch/$(ARCH)/imx-common/ 276endif 277 278LIBS-$(CONFIG_ARM) += arch/arm/cpu/ 279LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ 280 281LIBS-y += board/$(BOARDDIR)/ 282 283LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) 284LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 285.PHONY : $(LIBS) 286 287# Add GCC lib 288ifdef USE_PRIVATE_LIBGCC 289ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 290PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 291else 292PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 293endif 294else 295PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 296endif 297PLATFORM_LIBS += $(PLATFORM_LIBGCC) 298export PLATFORM_LIBS 299 300# Special flags for CPP when processing the linker script. 301# Pass the version down so we can handle backwards compatibility 302# on the fly. 303LDPPFLAGS += \ 304 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 305 -DCPUDIR=$(CPUDIR) \ 306 $(shell $(LD) --version | \ 307 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 308 309__OBJS := $(subst $(obj),,$(OBJS)) 310__LIBS := $(subst $(obj),,$(LIBS)) 311 312######################################################################### 313######################################################################### 314 315ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 316BOARD_SIZE_CHECK = \ 317 @actual=`wc -c $@ | awk '{print $$1}'`; \ 318 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 319 if test $$actual -gt $$limit; then \ 320 echo "$@ exceeds file size limit:" >&2 ; \ 321 echo " limit: $$limit bytes" >&2 ; \ 322 echo " actual: $$actual bytes" >&2 ; \ 323 echo " excess: $$((actual - limit)) bytes" >&2; \ 324 exit 1; \ 325 fi 326else 327BOARD_SIZE_CHECK = 328endif 329 330# Statically apply RELA-style relocations (currently arm64 only) 331ifneq ($(CONFIG_STATIC_RELA),) 332# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 333DO_STATIC_RELA = \ 334 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 335 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 336 $(obj)tools/relocate-rela $(2) $(3) $$start $$end 337else 338DO_STATIC_RELA = 339endif 340 341# Always append ALL so that arch config.mk's can add custom ones 342ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 343 344ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 345ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 346ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 347ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 348ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 349ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 350ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 351ifneq ($(CONFIG_SPL_TARGET),) 352ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%) 353endif 354ALL-$(CONFIG_REMAKE_ELF) += $(obj)u-boot.elf 355 356# enable combined SPL/u-boot/dtb rules for tegra 357ifneq ($(CONFIG_TEGRA),) 358ifeq ($(CONFIG_SPL),y) 359ifeq ($(CONFIG_OF_SEPARATE),y) 360ALL-y += $(obj)u-boot-dtb-tegra.bin 361else 362ALL-y += $(obj)u-boot-nodtb-tegra.bin 363endif 364endif 365endif 366 367all: $(ALL-y) $(SUBDIR_EXAMPLES-y) 368 369$(obj)u-boot.dtb: checkdtc $(obj)u-boot 370 $(MAKE) $(build) dts binary 371 mv $(obj)dts/dt.dtb $@ 372 373$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 374 cat $^ >$@ 375 376$(obj)u-boot.hex: $(obj)u-boot 377 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 378 379$(obj)u-boot.srec: $(obj)u-boot 380 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 381 382$(obj)u-boot.bin: $(obj)u-boot 383 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 384 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 385 $(BOARD_SIZE_CHECK) 386 387$(obj)u-boot.ldr: $(obj)u-boot 388 $(CREATE_LDR_ENV) 389 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 390 $(BOARD_SIZE_CHECK) 391 392$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 393 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 394 395$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 396 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 397 398# 399# U-Boot entry point, needed for booting of full-blown U-Boot 400# from the SPL U-Boot version. 401# 402ifndef CONFIG_SYS_UBOOT_START 403CONFIG_SYS_UBOOT_START := 0 404endif 405 406$(obj)u-boot.img: $(obj)u-boot.bin 407 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 408 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 409 -e $(CONFIG_SYS_UBOOT_START) \ 410 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 411 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 412 -d $< $@ 413 414$(obj)u-boot.imx: $(obj)u-boot.bin depend 415 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 416 417$(obj)u-boot.kwb: $(obj)u-boot.bin 418 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 419 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 420 421$(obj)u-boot.pbl: $(obj)u-boot.bin 422 $(obj)tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 423 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 424 -d $< $@ 425 426$(obj)u-boot.sha1: $(obj)u-boot.bin 427 $(obj)tools/ubsha1 $(obj)u-boot.bin 428 429$(obj)u-boot.dis: $(obj)u-boot 430 $(OBJDUMP) -d $< > $@ 431 432# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 433# $(4) is pad-to 434SPL_PAD_APPEND = \ 435 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 436 $(1) $(obj)$(3); \ 437 cat $(obj)$(3) $(2) > $@; \ 438 rm $(obj)$(3) 439 440ifdef CONFIG_TPL 441SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 442else 443SPL_PAYLOAD := $(obj)u-boot.bin 444endif 445 446$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 447 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 448 449$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 450 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 451 452$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 453 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 454 $(OBJTREE)/u-boot-with-spl.imx 455 456$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 457 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 458 $(OBJTREE)/u-boot-with-nand-spl.imx 459 460$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 461 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 462 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 463 464$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 465 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 466 -T aisimage \ 467 -e $(CONFIG_SPL_TEXT_BASE) \ 468 -d $(obj)spl/u-boot-spl.bin \ 469 $(obj)spl/u-boot-spl.ais 470 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 471 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 472 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 473 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 474 $(obj)u-boot.ais 475 476 477$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 478 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 479 480# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 481# Both images are created using mkimage (crc etc), so that the ROM 482# bootloader can check its integrity. Padding needs to be done to the 483# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 484# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 485# The resulting image containing both U-Boot images is called u-boot.spr 486$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 487 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 488 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 489 -d $(obj)spl/u-boot-spl.bin $@ 490 $(OBJCOPY) -I binary -O binary \ 491 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 492 cat $(obj)u-boot.img >> $@ 493 494ifneq ($(CONFIG_TEGRA),) 495$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 496 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 497 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 498 rm $(obj)spl/u-boot-spl-pad.bin 499 500ifeq ($(CONFIG_OF_SEPARATE),y) 501$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 502 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 503endif 504endif 505 506$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 507 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 508 509# PPC4xx needs the SPL at the end of the image, since the reset vector 510# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 511# and need to introduce a new build target with the full blown U-Boot 512# at the start padded up to the start of the SPL image. And then concat 513# the SPL image to the end. 514$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 515 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 516 --gap-fill=0xff $(obj)u-boot.img $@ 517 cat $(obj)spl/u-boot-spl.bin >> $@ 518 519# Create a new ELF from a raw binary file. This is useful for arm64 520# where static relocation needs to be performed on the raw binary, 521# but certain simulators only accept an ELF file (but don't do the 522# relocation). 523# FIXME refactor dts/Makefile to share target/arch detection 524$(obj)u-boot.elf: $(obj)u-boot.bin 525 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 526 $< $(obj)u-boot-elf.o 527 @$(LD) $(obj)u-boot-elf.o -o $@ \ 528 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 529 -Ttext=$(CONFIG_SYS_TEXT_BASE) 530 531ifeq ($(CONFIG_SANDBOX),y) 532GEN_UBOOT = \ 533 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 534 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 535 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 536else 537GEN_UBOOT = \ 538 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 539 $(__OBJS) \ 540 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 541 -Map u-boot.map -o u-boot 542endif 543 544$(obj)u-boot: depend \ 545 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds 546 $(GEN_UBOOT) 547ifeq ($(CONFIG_KALLSYMS),y) 548 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 549 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 550 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 551 -c common/system_map.c -o $(obj)common/system_map.o 552 $(GEN_UBOOT) $(obj)common/system_map.o 553endif 554 555$(OBJS): 556 @: 557 558$(LIBS): depend $(SUBDIR_TOOLS) 559 $(MAKE) $(build) $(dir $(subst $(obj),,$@)) 560 561tools: depend 562 $(MAKE) $(build) $@ all 563 564$(filter-out tools,$(SUBDIRS)): depend 565 $(MAKE) -C $@ all 566 567$(SUBDIR_EXAMPLES-y): $(obj)u-boot 568 569$(obj)u-boot.lds: $(LDSCRIPT) depend 570 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 571 572nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 573 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 574 575$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 576 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 577 578$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 579 $(MAKE) -C spl all 580 581$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 582 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 583 584# Explicitly make _depend in subdirs containing multiple targets to prevent 585# parallel sub-makes creating .depend files simultaneously. 586depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 587 $(obj)include/spl-autoconf.mk \ 588 $(obj)include/tpl-autoconf.mk \ 589 $(obj)include/autoconf.mk \ 590 $(obj)include/generated/generic-asm-offsets.h \ 591 $(obj)include/generated/asm-offsets.h 592 593TAG_SUBDIRS = $(SUBDIRS) 594TAG_SUBDIRS += $(dir $(__LIBS)) 595TAG_SUBDIRS += include 596 597FIND := find 598FINDFLAGS := -L 599 600checkstack: 601 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 602 `$(FIND) $(obj) -name u-boot-spl -print` | \ 603 perl $(src)scripts/checkstack.pl $(ARCH) 604 605tags ctags: 606 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 607 -name '*.[chS]' -print` 608 609etags: 610 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 611 -name '*.[chS]' -print` 612cscope: 613 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 614 cscope.files 615 cscope -b -q -k 616 617SYSTEM_MAP = \ 618 $(NM) $1 | \ 619 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 620 LC_ALL=C sort 621$(obj)System.map: $(obj)u-boot 622 @$(call SYSTEM_MAP,$<) > $@ 623 624checkthumb: 625 @if test $(call cc-version) -lt 0404; then \ 626 echo -n '*** Your GCC does not produce working '; \ 627 echo 'binaries in THUMB mode.'; \ 628 echo '*** Your board is configured for THUMB mode.'; \ 629 false; \ 630 fi 631 632# GCC 3.x is reported to have problems generating the type of relocation 633# that U-Boot wants. 634# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 635checkgcc4: 636 @if test $(call cc-version) -lt 0400; then \ 637 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 638 false; \ 639 fi 640 641checkdtc: 642 @if test $(call dtc-version) -lt 0104; then \ 643 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 644 false; \ 645 fi 646 647# 648# Auto-generate the autoconf.mk file (which is included by all makefiles) 649# 650# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 651# the dep file is only include in this top level makefile to determine when 652# to regenerate the autoconf.mk file. 653$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 654 @$(XECHO) Generating $@ ; \ 655 : Generate the dependancies ; \ 656 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 657 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \ 658 rm $@ 659 660$(obj)include/autoconf.mk: $(obj)include/config.h 661 @$(XECHO) Generating $@ ; \ 662 : Extract the config macros ; \ 663 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 664 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 665 rm $@.tmp 666 667# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 668$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 669 @$(XECHO) Generating $@ ; \ 670 : Extract the config macros ; \ 671 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 672 -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 673 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 674 rm $@.tmp 675 676$(obj)include/spl-autoconf.mk: $(obj)include/config.h 677 @$(XECHO) Generating $@ ; \ 678 : Extract the config macros ; \ 679 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 680 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 681 rm $@.tmp 682 683$(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s 684 @$(XECHO) Generating $@ 685 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 686 687$(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c 688 @mkdir -p $(obj)lib 689 $(CC) -DDO_DEPS_ONLY \ 690 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 691 -o $@ $(src)lib/asm-offsets.c -c -S 692 693$(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 694 @$(XECHO) Generating $@ 695 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 696 697$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h 698 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 699 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 700 $(CC) -DDO_DEPS_ONLY \ 701 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 702 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 703 else \ 704 touch $@; \ 705 fi 706 707######################################################################### 708else # !config.mk 709all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 710$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 711$(filter-out tools,$(SUBDIRS)) \ 712depend dep tags ctags etags cscope $(obj)System.map: 713 @echo "System not configured - see README" >&2 714 @ exit 1 715 716tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 717 $(MAKE) $(build) $@ all 718endif # config.mk 719 720# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 721# R_AARCH64_RELATIVE (64-bit). 722checkarmreloc: $(obj)u-boot 723 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 724 grep R_A | sort -u`"; \ 725 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 726 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 727 echo "$< contains unexpected relocations: $$RELOC"; \ 728 false; \ 729 fi 730 731$(VERSION_FILE): 732 @mkdir -p $(dir $(VERSION_FILE)) 733 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 734 printf '#define PLAIN_VERSION "%s%s"\n' \ 735 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 736 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 737 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 738 ) > $@.tmp 739 @( printf '#define CC_VERSION_STRING "%s"\n' \ 740 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 741 @( printf '#define LD_VERSION_STRING "%s"\n' \ 742 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 743 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 744 745$(TIMESTAMP_FILE): 746 @mkdir -p $(dir $(TIMESTAMP_FILE)) 747 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 748 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 749 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 750 751easylogo env gdb: 752 $(MAKE) $(build) tools/$@ MTD_VERSION=${MTD_VERSION} 753 754gdbtools: gdb 755 756xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 757 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 758 759tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 760 $(MAKE) $(build) tools HOST_TOOLS_ALL=y 761 762.PHONY : CHANGELOG 763CHANGELOG: 764 git log --no-merges U-Boot-1_1_5.. | \ 765 unexpand -a | sed -e 's/\s\s*$$//' > $@ 766 767include/license.h: tools/bin2header COPYING 768 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 769######################################################################### 770 771unconfig: 772 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 773 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 774 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 775 $(obj)include/spl-autoconf.mk \ 776 $(obj)include/tpl-autoconf.mk 777 778%_config:: unconfig 779 @$(MKCONFIG) -A $(@:_config=) 780 781sinclude $(obj).boards.depend 782$(obj).boards.depend: boards.cfg 783 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 784 785######################################################################### 786######################################################################### 787 788clean: 789 @rm -f $(obj)examples/standalone/atmel_df_pow2 \ 790 $(obj)examples/standalone/hello_world \ 791 $(obj)examples/standalone/interrupt \ 792 $(obj)examples/standalone/mem_to_mem_idma2intr \ 793 $(obj)examples/standalone/sched \ 794 $(obj)examples/standalone/smc911{11,x}_eeprom \ 795 $(obj)examples/standalone/test_burst \ 796 $(obj)examples/standalone/timer 797 @rm -f $(obj)examples/api/demo{,.bin} 798 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 799 $(obj)tools/env/fw_printenv \ 800 $(obj)tools/envcrc \ 801 $(obj)tools/gdb/{gdbcont,gdbsend} \ 802 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 803 $(obj)tools/dump{env,}image \ 804 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 805 $(obj)tools/mk{$(BOARD),exynos}spl \ 806 $(obj)tools/mxsboot \ 807 $(obj)tools/ncb $(obj)tools/ubsha1 \ 808 $(obj)tools/kernel-doc/docproc \ 809 $(obj)tools/proftool 810 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 811 $(obj)board/matrix_vision/*/bootscript.img \ 812 $(obj)spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl \ 813 $(obj)u-boot.lds \ 814 $(obj)arch/blackfin/cpu/init.{lds,elf} 815 @rm -f $(obj)include/bmp_logo.h 816 @rm -f $(obj)include/bmp_logo_data.h 817 @rm -f $(obj)lib/asm-offsets.s 818 @rm -f $(obj)include/generated/asm-offsets.h 819 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 820 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 821 @$(MAKE) -s -C doc/DocBook/ cleandocs 822 @find $(OBJTREE) -type f \ 823 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 824 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 825 -o -name '*.cfgtmp' \) -print \ 826 | xargs rm -f 827 828# Removes everything not needed for testing u-boot 829tidy: clean 830 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 831 832clobber: tidy 833 @find $(OBJTREE) -type f \( -name '*.srec' \ 834 -o -name '*.bin' -o -name u-boot.img \) \ 835 -print0 | xargs -0 rm -f 836 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 837 $(obj)cscope.* $(obj)*.*~ 838 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 839 @rm -f $(obj)u-boot.kwb 840 @rm -f $(obj)u-boot.pbl 841 @rm -f $(obj)u-boot.imx 842 @rm -f $(obj)u-boot-with-spl.imx 843 @rm -f $(obj)u-boot-with-nand-spl.imx 844 @rm -f $(obj)u-boot.ubl 845 @rm -f $(obj)u-boot.ais 846 @rm -f $(obj)u-boot.dtb 847 @rm -f $(obj)u-boot.sb 848 @rm -f $(obj)u-boot.spr 849 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 850 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 851 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 852 @rm -f $(obj)spl/u-boot-spl.lds 853 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 854 @rm -f $(obj)tpl/u-boot-spl.lds 855 @rm -f $(obj)MLO MLO.byteswap 856 @rm -f $(obj)SPL 857 @rm -f $(obj)tools/xway-swap-bytes 858 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 859 @rm -fr $(obj)include/generated 860 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 861 @rm -f $(obj)dts/*.tmp 862 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 863 864mrproper \ 865distclean: clobber unconfig 866ifneq ($(OBJTREE),$(SRCTREE)) 867 rm -rf $(obj)* 868endif 869 870backup: 871 F=`basename $(TOPDIR)` ; cd .. ; \ 872 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 873 874######################################################################### 875