1# 2# (C) Copyright 2000-2013 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8VERSION = 2014 9PATCHLEVEL = 01 10SUBLEVEL = 11EXTRAVERSION = -rc1 12ifneq "$(SUBLEVEL)" "" 13U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 14else 15U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION) 16endif 17TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h 18VERSION_FILE = $(obj)include/generated/version_autogenerated.h 19 20HOSTARCH := $(shell uname -m | \ 21 sed -e s/i.86/x86/ \ 22 -e s/sun4u/sparc64/ \ 23 -e s/arm.*/arm/ \ 24 -e s/sa110/arm/ \ 25 -e s/ppc64/powerpc/ \ 26 -e s/ppc/powerpc/ \ 27 -e s/macppc/powerpc/\ 28 -e s/sh.*/sh/) 29 30HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 31 sed -e 's/\(cygwin\).*/cygwin/') 32 33export HOSTARCH HOSTOS 34 35# Deal with colliding definitions from tcsh etc. 36VENDOR= 37 38######################################################################### 39# Allow for silent builds 40ifeq (,$(findstring s,$(MAKEFLAGS))) 41XECHO = echo 42else 43XECHO = : 44endif 45 46######################################################################### 47# 48# U-boot build supports generating object files in a separate external 49# directory. Two use cases are supported: 50# 51# 1) Add O= to the make command line 52# 'make O=/tmp/build all' 53# 54# 2) Set environment variable BUILD_DIR to point to the desired location 55# 'export BUILD_DIR=/tmp/build' 56# 'make' 57# 58# The second approach can also be used with a MAKEALL script 59# 'export BUILD_DIR=/tmp/build' 60# './MAKEALL' 61# 62# Command line 'O=' setting overrides BUILD_DIR environment variable. 63# 64# When none of the above methods is used the local build is performed and 65# the object files are placed in the source directory. 66# 67 68ifeq ("$(origin O)", "command line") 69BUILD_DIR := $(O) 70endif 71 72# Call a source code checker (by default, "sparse") as part of the 73# C compilation. 74# 75# Use 'make C=1' to enable checking of re-compiled files. 76# 77# See the linux kernel file "Documentation/sparse.txt" for more details, 78# including where to get the "sparse" utility. 79 80ifdef C 81ifeq ("$(origin C)", "command line") 82CHECKSRC := $(C) 83endif 84endif 85ifndef CHECKSRC 86 CHECKSRC = 0 87endif 88export CHECKSRC 89 90ifneq ($(BUILD_DIR),) 91saved-output := $(BUILD_DIR) 92 93# Attempt to create a output directory. 94$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}) 95 96# Verify if it was successful. 97BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) 98$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) 99endif # ifneq ($(BUILD_DIR),) 100 101OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) 102SPLTREE := $(OBJTREE)/spl 103TPLTREE := $(OBJTREE)/tpl 104SRCTREE := $(CURDIR) 105TOPDIR := $(SRCTREE) 106LNDIR := $(OBJTREE) 107export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 108 109MKCONFIG := $(SRCTREE)/mkconfig 110export MKCONFIG 111 112ifneq ($(OBJTREE),$(SRCTREE)) 113REMOTE_BUILD := 1 114export REMOTE_BUILD 115endif 116 117# $(obj) and (src) are defined in config.mk but here in main Makefile 118# we also need them before config.mk is included which is the case for 119# some targets like unconfig, clean, clobber, distclean, etc. 120ifneq ($(OBJTREE),$(SRCTREE)) 121obj := $(OBJTREE)/ 122src := $(SRCTREE)/ 123else 124obj := 125src := 126endif 127export obj src 128 129# Make sure CDPATH settings don't interfere 130unexport CDPATH 131 132######################################################################### 133 134# The "tools" are needed early, so put this first 135# Don't include stuff already done in $(LIBS) 136# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 137# is "yes"), so compile examples after U-Boot is compiled. 138SUBDIR_TOOLS = tools 139SUBDIRS = $(SUBDIR_TOOLS) 140 141.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 142 143ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk)) 144 145# Include autoconf.mk before config.mk so that the config options are available 146# to all top level build files. We need the dummy all: target to prevent the 147# dependency target in autoconf.mk.dep from being the default. 148all: 149sinclude $(obj)include/autoconf.mk.dep 150sinclude $(obj)include/autoconf.mk 151 152SUBDIR_EXAMPLES-y := examples/standalone 153SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api 154ifndef CONFIG_SANDBOX 155SUBDIRS += $(SUBDIR_EXAMPLES-y) 156endif 157 158# load ARCH, BOARD, and CPU configuration 159include $(obj)include/config.mk 160export ARCH CPU BOARD VENDOR SOC 161 162# set default to nothing for native builds 163ifeq ($(HOSTARCH),$(ARCH)) 164CROSS_COMPILE ?= 165endif 166 167# load other configuration 168include $(TOPDIR)/config.mk 169 170# Targets which don't build the source code 171NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig 172 173# Only do the generic board check when actually building, not configuring 174ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),) 175ifeq ($(findstring _config,$(MAKECMDGOALS)),) 176$(CHECK_GENERIC_BOARD) 177endif 178endif 179 180# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 181# that (or fail if absent). Otherwise, search for a linker script in a 182# standard location. 183 184LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 185 186ifndef LDSCRIPT 187 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 188 ifdef CONFIG_SYS_LDSCRIPT 189 # need to strip off double quotes 190 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT)) 191 endif 192endif 193 194# If there is no specified link script, we look in a number of places for it 195ifndef LDSCRIPT 196 ifeq ($(CONFIG_NAND_U_BOOT),y) 197 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 198 ifeq ($(wildcard $(LDSCRIPT)),) 199 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 200 endif 201 endif 202 ifeq ($(wildcard $(LDSCRIPT)),) 203 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 204 endif 205 ifeq ($(wildcard $(LDSCRIPT)),) 206 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 207 endif 208 ifeq ($(wildcard $(LDSCRIPT)),) 209 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 210 # We don't expect a Makefile here 211 LDSCRIPT_MAKEFILE_DIR = 212 endif 213 ifeq ($(wildcard $(LDSCRIPT)),) 214$(error could not find linker script) 215 endif 216endif 217 218######################################################################### 219# U-Boot objects....order is important (i.e. start must be first) 220 221OBJS = $(CPUDIR)/start.o 222ifeq ($(CPU),ppc4xx) 223OBJS += $(CPUDIR)/resetvec.o 224endif 225ifeq ($(CPU),mpc85xx) 226OBJS += $(CPUDIR)/resetvec.o 227endif 228 229OBJS := $(addprefix $(obj),$(OBJS)) 230 231HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 232 233LIBS-y += lib/ 234LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 235LIBS-y += $(CPUDIR)/ 236ifdef SOC 237LIBS-y += $(CPUDIR)/$(SOC)/ 238endif 239LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 240LIBS-$(CONFIG_OF_EMBED) += dts/ 241LIBS-y += arch/$(ARCH)/lib/ 242LIBS-y += fs/ 243LIBS-y += net/ 244LIBS-y += disk/ 245LIBS-y += drivers/ 246LIBS-y += drivers/dma/ 247LIBS-y += drivers/gpio/ 248LIBS-y += drivers/i2c/ 249LIBS-y += drivers/input/ 250LIBS-y += drivers/mmc/ 251LIBS-y += drivers/mtd/ 252LIBS-y += drivers/mtd/nand/ 253LIBS-y += drivers/mtd/onenand/ 254LIBS-y += drivers/mtd/ubi/ 255LIBS-y += drivers/mtd/spi/ 256LIBS-y += drivers/net/ 257LIBS-y += drivers/net/phy/ 258LIBS-y += drivers/pci/ 259LIBS-y += drivers/power/ \ 260 drivers/power/fuel_gauge/ \ 261 drivers/power/mfd/ \ 262 drivers/power/pmic/ \ 263 drivers/power/battery/ 264LIBS-y += drivers/spi/ 265LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 266LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 267LIBS-y += drivers/serial/ 268LIBS-y += drivers/usb/eth/ 269LIBS-y += drivers/usb/gadget/ 270LIBS-y += drivers/usb/host/ 271LIBS-y += drivers/usb/musb/ 272LIBS-y += drivers/usb/musb-new/ 273LIBS-y += drivers/usb/phy/ 274LIBS-y += drivers/usb/ulpi/ 275LIBS-y += common/ 276LIBS-y += lib/libfdt/ 277LIBS-$(CONFIG_API) += api/ 278LIBS-y += post/ 279LIBS-y += test/ 280 281ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 282LIBS-y += arch/$(ARCH)/imx-common/ 283endif 284 285LIBS-$(CONFIG_ARM) += arch/arm/cpu/ 286LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ 287 288LIBS-y += board/$(BOARDDIR)/ 289 290LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) 291LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 292.PHONY : $(LIBS) 293 294# Add GCC lib 295ifdef USE_PRIVATE_LIBGCC 296ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 297PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 298else 299PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 300endif 301else 302PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 303endif 304PLATFORM_LIBS += $(PLATFORM_LIBGCC) 305export PLATFORM_LIBS 306 307# Special flags for CPP when processing the linker script. 308# Pass the version down so we can handle backwards compatibility 309# on the fly. 310LDPPFLAGS += \ 311 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 312 -DCPUDIR=$(CPUDIR) \ 313 $(shell $(LD) --version | \ 314 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 315 316__OBJS := $(subst $(obj),,$(OBJS)) 317__LIBS := $(subst $(obj),,$(LIBS)) 318 319######################################################################### 320######################################################################### 321 322ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 323BOARD_SIZE_CHECK = \ 324 @actual=`wc -c $@ | awk '{print $$1}'`; \ 325 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 326 if test $$actual -gt $$limit; then \ 327 echo "$@ exceeds file size limit:" >&2 ; \ 328 echo " limit: $$limit bytes" >&2 ; \ 329 echo " actual: $$actual bytes" >&2 ; \ 330 echo " excess: $$((actual - limit)) bytes" >&2; \ 331 exit 1; \ 332 fi 333else 334BOARD_SIZE_CHECK = 335endif 336 337# Statically apply RELA-style relocations (currently arm64 only) 338ifneq ($(CONFIG_STATIC_RELA),) 339# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 340DO_STATIC_RELA = \ 341 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 342 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 343 $(obj)tools/relocate-rela $(2) $(3) $$start $$end 344else 345DO_STATIC_RELA = 346endif 347 348# Always append ALL so that arch config.mk's can add custom ones 349ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 350 351ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 352ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 353ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 354ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 355ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 356ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 357ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 358ifneq ($(CONFIG_SPL_TARGET),) 359ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) 360endif 361 362# enable combined SPL/u-boot/dtb rules for tegra 363ifneq ($(CONFIG_TEGRA),) 364ifeq ($(CONFIG_SPL),y) 365ifeq ($(CONFIG_OF_SEPARATE),y) 366ALL-y += $(obj)u-boot-dtb-tegra.bin 367else 368ALL-y += $(obj)u-boot-nodtb-tegra.bin 369endif 370endif 371endif 372 373build := -f $(TOPDIR)/scripts/Makefile.build -C 374 375all: $(ALL-y) $(SUBDIR_EXAMPLES-y) 376 377$(obj)u-boot.dtb: checkdtc $(obj)u-boot 378 $(MAKE) $(build) dts binary 379 mv $(obj)dts/dt.dtb $@ 380 381$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 382 cat $^ >$@ 383 384$(obj)u-boot.hex: $(obj)u-boot 385 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 386 387$(obj)u-boot.srec: $(obj)u-boot 388 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 389 390$(obj)u-boot.bin: $(obj)u-boot 391 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 392 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 393 $(BOARD_SIZE_CHECK) 394 395$(obj)u-boot.ldr: $(obj)u-boot 396 $(CREATE_LDR_ENV) 397 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 398 $(BOARD_SIZE_CHECK) 399 400$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 401 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 402 403$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 404 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 405 406# 407# U-Boot entry point, needed for booting of full-blown U-Boot 408# from the SPL U-Boot version. 409# 410ifndef CONFIG_SYS_UBOOT_START 411CONFIG_SYS_UBOOT_START := 0 412endif 413 414$(obj)u-boot.img: $(obj)u-boot.bin 415 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 416 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 417 -e $(CONFIG_SYS_UBOOT_START) \ 418 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 419 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 420 -d $< $@ 421 422$(obj)u-boot.imx: $(obj)u-boot.bin depend 423 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 424 425$(obj)u-boot.kwb: $(obj)u-boot.bin 426 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 427 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 428 429$(obj)u-boot.pbl: $(obj)u-boot.bin 430 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 431 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 432 -d $< $@ 433 434$(obj)u-boot.sha1: $(obj)u-boot.bin 435 $(obj)tools/ubsha1 $(obj)u-boot.bin 436 437$(obj)u-boot.dis: $(obj)u-boot 438 $(OBJDUMP) -d $< > $@ 439 440# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 441# $(4) is pad-to 442SPL_PAD_APPEND = \ 443 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 444 $(1) $(obj)$(3); \ 445 cat $(obj)$(3) $(2) > $@; \ 446 rm $(obj)$(3) 447 448ifdef CONFIG_TPL 449SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 450else 451SPL_PAYLOAD := $(obj)u-boot.bin 452endif 453 454$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 455 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 456 457$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 458 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 459 460$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 461 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 462 $(OBJTREE)/u-boot-with-spl.imx 463 464$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 465 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 466 $(OBJTREE)/u-boot-with-nand-spl.imx 467 468$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 469 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 470 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 471 472$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 473 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 474 -T aisimage \ 475 -e $(CONFIG_SPL_TEXT_BASE) \ 476 -d $(obj)spl/u-boot-spl.bin \ 477 $(obj)spl/u-boot-spl.ais 478 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 479 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 480 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 481 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 482 $(obj)u-boot.ais 483 484 485$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 486 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 487 488# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 489# Both images are created using mkimage (crc etc), so that the ROM 490# bootloader can check its integrity. Padding needs to be done to the 491# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 492# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 493# The resulting image containing both U-Boot images is called u-boot.spr 494$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 495 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 496 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 497 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 498 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 499 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 500 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 501 conv=notrunc 2>/dev/null 502 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 503 504ifneq ($(CONFIG_TEGRA),) 505$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 506 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 507 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 508 rm $(obj)spl/u-boot-spl-pad.bin 509 510ifeq ($(CONFIG_OF_SEPARATE),y) 511$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 512 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 513endif 514endif 515 516$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 517 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 518 519# PPC4xx needs the SPL at the end of the image, since the reset vector 520# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 521# and need to introduce a new build target with the full blown U-Boot 522# at the start padded up to the start of the SPL image. And then concat 523# the SPL image to the end. 524$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 525 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ 526 of=$(obj)u-boot-pad.img 2>/dev/null 527 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ 528 conv=notrunc 2>/dev/null 529 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ 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) $(LDSCRIPT) $(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 $(obj),,$@)) 560 561$(SUBDIRS): depend 562 $(MAKE) -C $@ all 563 564$(SUBDIR_EXAMPLES-y): $(obj)u-boot 565 566$(LDSCRIPT): depend 567 $(MAKE) -C $(dir $@) $(notdir $@) 568 569$(obj)u-boot.lds: $(LDSCRIPT) 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)tools/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 set -e ; \ 656 : Generate the dependancies ; \ 657 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 658 -MQ $(obj)include/autoconf.mk include/common.h > $@ 659 660$(obj)include/autoconf.mk: $(obj)include/config.h 661 @$(XECHO) Generating $@ ; \ 662 set -e ; \ 663 : Extract the config macros ; \ 664 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 665 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 666 mv $@.tmp $@ 667 668# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 669$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 670 @$(XECHO) Generating $@ ; \ 671 set -e ; \ 672 : Extract the config macros ; \ 673 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 674 -DDO_DEPS_ONLY -dM include/common.h | \ 675 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 676 mv $@.tmp $@ 677 678$(obj)include/spl-autoconf.mk: $(obj)include/config.h 679 @$(XECHO) Generating $@ ; \ 680 set -e ; \ 681 : Extract the config macros ; \ 682 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \ 683 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 684 mv $@.tmp $@ 685 686$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 687 $(obj)include/spl-autoconf.mk \ 688 $(obj)include/tpl-autoconf.mk \ 689 $(obj)lib/asm-offsets.s 690 @$(XECHO) Generating $@ 691 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 692 693$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 694 $(obj)include/spl-autoconf.mk \ 695 $(obj)include/tpl-autoconf.mk \ 696 $(src)lib/asm-offsets.c 697 @mkdir -p $(obj)lib 698 $(CC) -DDO_DEPS_ONLY \ 699 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 700 -o $@ $(src)lib/asm-offsets.c -c -S 701 702$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 703 $(obj)include/spl-autoconf.mk \ 704 $(obj)include/tpl-autoconf.mk \ 705 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 706 @$(XECHO) Generating $@ 707 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 708 709$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 710 $(obj)include/spl-autoconf.mk \ 711 $(obj)include/tpl-autoconf.mk 712 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 713 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 714 $(CC) -DDO_DEPS_ONLY \ 715 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 716 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 717 else \ 718 touch $@; \ 719 fi 720 721######################################################################### 722else # !config.mk 723all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 724$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 725$(filter-out tools,$(SUBDIRS)) \ 726depend dep tags ctags etags cscope $(obj)System.map: 727 @echo "System not configured - see README" >&2 728 @ exit 1 729 730tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 731 $(MAKE) -C $@ all 732endif # config.mk 733 734# ARM relocations should all be R_ARM_RELATIVE. 735checkarmreloc: $(obj)u-boot 736 @if test "R_ARM_RELATIVE" != \ 737 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \ 738 then echo "$< contains relocations other than \ 739 R_ARM_RELATIVE"; false; fi 740 741$(VERSION_FILE): 742 @mkdir -p $(dir $(VERSION_FILE)) 743 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 744 printf '#define PLAIN_VERSION "%s%s"\n' \ 745 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 746 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 747 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 748 ) > $@.tmp 749 @( printf '#define CC_VERSION_STRING "%s"\n' \ 750 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 751 @( printf '#define LD_VERSION_STRING "%s"\n' \ 752 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 753 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 754 755$(TIMESTAMP_FILE): 756 @mkdir -p $(dir $(TIMESTAMP_FILE)) 757 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 758 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 759 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 760 761easylogo env gdb: 762 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 763gdbtools: gdb 764 765xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 766 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 767 768tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 769 $(MAKE) -C tools HOST_TOOLS_ALL=y 770 771.PHONY : CHANGELOG 772CHANGELOG: 773 git log --no-merges U-Boot-1_1_5.. | \ 774 unexpand -a | sed -e 's/\s\s*$$//' > $@ 775 776include/license.h: tools/bin2header COPYING 777 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 778######################################################################### 779 780unconfig: 781 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 782 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 783 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 784 $(obj)include/spl-autoconf.mk \ 785 $(obj)include/tpl-autoconf.mk 786 787%_config:: unconfig 788 @$(MKCONFIG) -A $(@:_config=) 789 790sinclude $(obj).boards.depend 791$(obj).boards.depend: boards.cfg 792 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 793 794######################################################################### 795######################################################################### 796 797clean: 798 @rm -f $(obj)examples/standalone/82559_eeprom \ 799 $(obj)examples/standalone/atmel_df_pow2 \ 800 $(obj)examples/standalone/eepro100_eeprom \ 801 $(obj)examples/standalone/hello_world \ 802 $(obj)examples/standalone/interrupt \ 803 $(obj)examples/standalone/mem_to_mem_idma2intr \ 804 $(obj)examples/standalone/sched \ 805 $(obj)examples/standalone/smc911{11,x}_eeprom \ 806 $(obj)examples/standalone/test_burst \ 807 $(obj)examples/standalone/timer 808 @rm -f $(obj)examples/api/demo{,.bin} 809 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 810 $(obj)tools/env/{fw_printenv,fw_setenv} \ 811 $(obj)tools/envcrc \ 812 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 813 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 814 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 815 $(obj)tools/mk{$(BOARD),}spl \ 816 $(obj)tools/mxsboot \ 817 $(obj)tools/ncb $(obj)tools/ubsha1 \ 818 $(obj)tools/kernel-doc/docproc \ 819 $(obj)tools/proftool 820 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 821 $(obj)board/matrix_vision/*/bootscript.img \ 822 $(obj)board/voiceblue/eeprom \ 823 $(obj)u-boot.lds \ 824 $(obj)arch/blackfin/cpu/init.{lds,elf} 825 @rm -f $(obj)include/bmp_logo.h 826 @rm -f $(obj)include/bmp_logo_data.h 827 @rm -f $(obj)lib/asm-offsets.s 828 @rm -f $(obj)include/generated/asm-offsets.h 829 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 830 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 831 @$(MAKE) -s -C doc/DocBook/ cleandocs 832 @find $(OBJTREE) -type f \ 833 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 834 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 835 -o -name '*.cfgtmp' \) -print \ 836 | xargs rm -f 837 838# Removes everything not needed for testing u-boot 839tidy: clean 840 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 841 842clobber: tidy 843 @find $(OBJTREE) -type f \( -name '*.srec' \ 844 -o -name '*.bin' -o -name u-boot.img \) \ 845 -print0 | xargs -0 rm -f 846 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 847 $(obj)cscope.* $(obj)*.*~ 848 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 849 @rm -f $(obj)u-boot.kwb 850 @rm -f $(obj)u-boot.pbl 851 @rm -f $(obj)u-boot.imx 852 @rm -f $(obj)u-boot-with-spl.imx 853 @rm -f $(obj)u-boot-with-nand-spl.imx 854 @rm -f $(obj)u-boot.ubl 855 @rm -f $(obj)u-boot.ais 856 @rm -f $(obj)u-boot.dtb 857 @rm -f $(obj)u-boot.sb 858 @rm -f $(obj)u-boot.bd 859 @rm -f $(obj)u-boot.spr 860 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 861 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 862 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 863 @rm -f $(obj)spl/u-boot-spl.lds 864 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 865 @rm -f $(obj)tpl/u-boot-spl.lds 866 @rm -f $(obj)MLO MLO.byteswap 867 @rm -f $(obj)SPL 868 @rm -f $(obj)tools/xway-swap-bytes 869 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 870 @rm -fr $(obj)include/generated 871 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 872 @rm -f $(obj)dts/*.tmp 873 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 874 875mrproper \ 876distclean: clobber unconfig 877ifneq ($(OBJTREE),$(SRCTREE)) 878 rm -rf $(obj)* 879endif 880 881backup: 882 F=`basename $(TOPDIR)` ; cd .. ; \ 883 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 884 885######################################################################### 886