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# Always append ALL so that arch config.mk's can add custom ones 338ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 339 340ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 341ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 342ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 343ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 344ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 345ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 346ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 347ifneq ($(CONFIG_SPL_TARGET),) 348ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) 349endif 350 351# enable combined SPL/u-boot/dtb rules for tegra 352ifneq ($(CONFIG_TEGRA),) 353ifeq ($(CONFIG_OF_SEPARATE),y) 354ALL-y += $(obj)u-boot-dtb-tegra.bin 355else 356ALL-y += $(obj)u-boot-nodtb-tegra.bin 357endif 358endif 359 360build := -f $(TOPDIR)/scripts/Makefile.build -C 361 362all: $(ALL-y) $(SUBDIR_EXAMPLES-y) 363 364$(obj)u-boot.dtb: checkdtc $(obj)u-boot 365 $(MAKE) $(build) dts binary 366 mv $(obj)dts/dt.dtb $@ 367 368$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 369 cat $^ >$@ 370 371$(obj)u-boot.hex: $(obj)u-boot 372 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 373 374$(obj)u-boot.srec: $(obj)u-boot 375 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 376 377$(obj)u-boot.bin: $(obj)u-boot 378 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 379 $(BOARD_SIZE_CHECK) 380 381$(obj)u-boot.ldr: $(obj)u-boot 382 $(CREATE_LDR_ENV) 383 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 384 $(BOARD_SIZE_CHECK) 385 386$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 387 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 388 389$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 390 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 391 392# 393# U-Boot entry point, needed for booting of full-blown U-Boot 394# from the SPL U-Boot version. 395# 396ifndef CONFIG_SYS_UBOOT_START 397CONFIG_SYS_UBOOT_START := 0 398endif 399 400$(obj)u-boot.img: $(obj)u-boot.bin 401 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 402 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 403 -e $(CONFIG_SYS_UBOOT_START) \ 404 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 405 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 406 -d $< $@ 407 408$(obj)u-boot.imx: $(obj)u-boot.bin depend 409 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 410 411$(obj)u-boot.kwb: $(obj)u-boot.bin 412 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 413 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 414 415$(obj)u-boot.pbl: $(obj)u-boot.bin 416 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 417 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 418 -d $< $@ 419 420$(obj)u-boot.sha1: $(obj)u-boot.bin 421 $(obj)tools/ubsha1 $(obj)u-boot.bin 422 423$(obj)u-boot.dis: $(obj)u-boot 424 $(OBJDUMP) -d $< > $@ 425 426# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 427# $(4) is pad-to 428SPL_PAD_APPEND = \ 429 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 430 $(1) $(obj)$(3); \ 431 cat $(obj)$(3) $(2) > $@; \ 432 rm $(obj)$(3) 433 434ifdef CONFIG_TPL 435SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 436else 437SPL_PAYLOAD := $(obj)u-boot.bin 438endif 439 440$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 441 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 442 443$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 444 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 445 446$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 447 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 448 $(OBJTREE)/u-boot-with-spl.imx 449 450$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 451 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 452 $(OBJTREE)/u-boot-with-nand-spl.imx 453 454$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 455 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 456 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 457 458$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 459 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 460 -T aisimage \ 461 -e $(CONFIG_SPL_TEXT_BASE) \ 462 -d $(obj)spl/u-boot-spl.bin \ 463 $(obj)spl/u-boot-spl.ais 464 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 465 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 466 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 467 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 468 $(obj)u-boot.ais 469 470 471$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 472 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 473 474# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 475# Both images are created using mkimage (crc etc), so that the ROM 476# bootloader can check its integrity. Padding needs to be done to the 477# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 478# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 479# The resulting image containing both U-Boot images is called u-boot.spr 480$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 481 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 482 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 483 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 484 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 485 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 486 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 487 conv=notrunc 2>/dev/null 488 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 489 490ifneq ($(CONFIG_TEGRA),) 491$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 492 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 493 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 494 rm $(obj)spl/u-boot-spl-pad.bin 495 496ifeq ($(CONFIG_OF_SEPARATE),y) 497$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 498 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 499endif 500endif 501 502$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 503 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 504 505# PPC4xx needs the SPL at the end of the image, since the reset vector 506# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 507# and need to introduce a new build target with the full blown U-Boot 508# at the start padded up to the start of the SPL image. And then concat 509# the SPL image to the end. 510$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 511 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ 512 of=$(obj)u-boot-pad.img 2>/dev/null 513 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ 514 conv=notrunc 2>/dev/null 515 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ 516 517ifeq ($(CONFIG_SANDBOX),y) 518GEN_UBOOT = \ 519 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 520 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 521 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 522else 523GEN_UBOOT = \ 524 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 525 $(__OBJS) \ 526 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 527 -Map u-boot.map -o u-boot 528endif 529 530$(obj)u-boot: depend \ 531 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 532 $(GEN_UBOOT) 533ifeq ($(CONFIG_KALLSYMS),y) 534 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 535 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 536 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 537 -c common/system_map.c -o $(obj)common/system_map.o 538 $(GEN_UBOOT) $(obj)common/system_map.o 539endif 540 541$(OBJS): 542 @: 543 544$(LIBS): depend $(SUBDIR_TOOLS) 545 $(MAKE) $(build) $(dir $(subst $(obj),,$@)) 546 547$(SUBDIRS): depend 548 $(MAKE) -C $@ all 549 550$(SUBDIR_EXAMPLES-y): $(obj)u-boot 551 552$(LDSCRIPT): depend 553 $(MAKE) -C $(dir $@) $(notdir $@) 554 555$(obj)u-boot.lds: $(LDSCRIPT) 556 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 557 558nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 559 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 560 561$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 562 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 563 564$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 565 $(MAKE) -C spl all 566 567$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 568 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 569 570# Explicitly make _depend in subdirs containing multiple targets to prevent 571# parallel sub-makes creating .depend files simultaneously. 572depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 573 $(obj)include/spl-autoconf.mk \ 574 $(obj)include/tpl-autoconf.mk \ 575 $(obj)include/autoconf.mk \ 576 $(obj)include/generated/generic-asm-offsets.h \ 577 $(obj)include/generated/asm-offsets.h 578 579TAG_SUBDIRS = $(SUBDIRS) 580TAG_SUBDIRS += $(dir $(__LIBS)) 581TAG_SUBDIRS += include 582 583FIND := find 584FINDFLAGS := -L 585 586checkstack: 587 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 588 `$(FIND) $(obj) -name u-boot-spl -print` | \ 589 perl $(src)tools/checkstack.pl $(ARCH) 590 591tags ctags: 592 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 593 -name '*.[chS]' -print` 594 595etags: 596 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 597 -name '*.[chS]' -print` 598cscope: 599 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 600 cscope.files 601 cscope -b -q -k 602 603SYSTEM_MAP = \ 604 $(NM) $1 | \ 605 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 606 LC_ALL=C sort 607$(obj)System.map: $(obj)u-boot 608 @$(call SYSTEM_MAP,$<) > $@ 609 610checkthumb: 611 @if test $(call cc-version) -lt 0404; then \ 612 echo -n '*** Your GCC does not produce working '; \ 613 echo 'binaries in THUMB mode.'; \ 614 echo '*** Your board is configured for THUMB mode.'; \ 615 false; \ 616 fi 617 618# GCC 3.x is reported to have problems generating the type of relocation 619# that U-Boot wants. 620# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 621checkgcc4: 622 @if test $(call cc-version) -lt 0400; then \ 623 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 624 false; \ 625 fi 626 627checkdtc: 628 @if test $(call dtc-version) -lt 0104; then \ 629 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 630 false; \ 631 fi 632 633# 634# Auto-generate the autoconf.mk file (which is included by all makefiles) 635# 636# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 637# the dep file is only include in this top level makefile to determine when 638# to regenerate the autoconf.mk file. 639$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 640 @$(XECHO) Generating $@ ; \ 641 set -e ; \ 642 : Generate the dependancies ; \ 643 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 644 -MQ $(obj)include/autoconf.mk include/common.h > $@ 645 646$(obj)include/autoconf.mk: $(obj)include/config.h 647 @$(XECHO) Generating $@ ; \ 648 set -e ; \ 649 : Extract the config macros ; \ 650 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 651 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 652 mv $@.tmp $@ 653 654# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 655$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 656 @$(XECHO) Generating $@ ; \ 657 set -e ; \ 658 : Extract the config macros ; \ 659 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 660 -DDO_DEPS_ONLY -dM include/common.h | \ 661 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 662 mv $@.tmp $@ 663 664$(obj)include/spl-autoconf.mk: $(obj)include/config.h 665 @$(XECHO) Generating $@ ; \ 666 set -e ; \ 667 : Extract the config macros ; \ 668 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \ 669 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 670 mv $@.tmp $@ 671 672$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 673 $(obj)include/spl-autoconf.mk \ 674 $(obj)include/tpl-autoconf.mk \ 675 $(obj)lib/asm-offsets.s 676 @$(XECHO) Generating $@ 677 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 678 679$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 680 $(obj)include/spl-autoconf.mk \ 681 $(obj)include/tpl-autoconf.mk \ 682 $(src)lib/asm-offsets.c 683 @mkdir -p $(obj)lib 684 $(CC) -DDO_DEPS_ONLY \ 685 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 686 -o $@ $(src)lib/asm-offsets.c -c -S 687 688$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 689 $(obj)include/spl-autoconf.mk \ 690 $(obj)include/tpl-autoconf.mk \ 691 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 692 @$(XECHO) Generating $@ 693 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 694 695$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 696 $(obj)include/spl-autoconf.mk \ 697 $(obj)include/tpl-autoconf.mk 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) -C $@ all 718endif # config.mk 719 720# ARM relocations should all be R_ARM_RELATIVE. 721checkarmreloc: $(obj)u-boot 722 @if test "R_ARM_RELATIVE" != \ 723 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \ 724 then echo "$< contains relocations other than \ 725 R_ARM_RELATIVE"; false; fi 726 727$(VERSION_FILE): 728 @mkdir -p $(dir $(VERSION_FILE)) 729 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 730 printf '#define PLAIN_VERSION "%s%s"\n' \ 731 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 732 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 733 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 734 ) > $@.tmp 735 @( printf '#define CC_VERSION_STRING "%s"\n' \ 736 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 737 @( printf '#define LD_VERSION_STRING "%s"\n' \ 738 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 739 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 740 741$(TIMESTAMP_FILE): 742 @mkdir -p $(dir $(TIMESTAMP_FILE)) 743 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 744 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 745 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 746 747easylogo env gdb: 748 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 749gdbtools: gdb 750 751xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 752 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 753 754tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 755 $(MAKE) -C tools HOST_TOOLS_ALL=y 756 757.PHONY : CHANGELOG 758CHANGELOG: 759 git log --no-merges U-Boot-1_1_5.. | \ 760 unexpand -a | sed -e 's/\s\s*$$//' > $@ 761 762include/license.h: tools/bin2header COPYING 763 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 764######################################################################### 765 766unconfig: 767 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 768 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 769 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 770 $(obj)include/spl-autoconf.mk \ 771 $(obj)include/tpl-autoconf.mk 772 773%_config:: unconfig 774 @$(MKCONFIG) -A $(@:_config=) 775 776sinclude $(obj).boards.depend 777$(obj).boards.depend: boards.cfg 778 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 779 780######################################################################### 781######################################################################### 782 783clean: 784 @rm -f $(obj)examples/standalone/82559_eeprom \ 785 $(obj)examples/standalone/atmel_df_pow2 \ 786 $(obj)examples/standalone/eepro100_eeprom \ 787 $(obj)examples/standalone/hello_world \ 788 $(obj)examples/standalone/interrupt \ 789 $(obj)examples/standalone/mem_to_mem_idma2intr \ 790 $(obj)examples/standalone/sched \ 791 $(obj)examples/standalone/smc911{11,x}_eeprom \ 792 $(obj)examples/standalone/test_burst \ 793 $(obj)examples/standalone/timer 794 @rm -f $(obj)examples/api/demo{,.bin} 795 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 796 $(obj)tools/env/{fw_printenv,fw_setenv} \ 797 $(obj)tools/envcrc \ 798 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 799 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 800 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 801 $(obj)tools/mk{$(BOARD),}spl \ 802 $(obj)tools/mxsboot \ 803 $(obj)tools/ncb $(obj)tools/ubsha1 \ 804 $(obj)tools/kernel-doc/docproc \ 805 $(obj)tools/proftool 806 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 807 $(obj)board/matrix_vision/*/bootscript.img \ 808 $(obj)board/voiceblue/eeprom \ 809 $(obj)u-boot.lds \ 810 $(obj)arch/blackfin/cpu/init.{lds,elf} 811 @rm -f $(obj)include/bmp_logo.h 812 @rm -f $(obj)include/bmp_logo_data.h 813 @rm -f $(obj)lib/asm-offsets.s 814 @rm -f $(obj)include/generated/asm-offsets.h 815 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 816 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 817 @$(MAKE) -s -C doc/DocBook/ cleandocs 818 @find $(OBJTREE) -type f \ 819 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 820 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 821 -o -name '*.cfgtmp' \) -print \ 822 | xargs rm -f 823 824# Removes everything not needed for testing u-boot 825tidy: clean 826 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 827 828clobber: tidy 829 @find $(OBJTREE) -type f \( -name '*.srec' \ 830 -o -name '*.bin' -o -name u-boot.img \) \ 831 -print0 | xargs -0 rm -f 832 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 833 $(obj)cscope.* $(obj)*.*~ 834 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 835 @rm -f $(obj)u-boot.kwb 836 @rm -f $(obj)u-boot.pbl 837 @rm -f $(obj)u-boot.imx 838 @rm -f $(obj)u-boot-with-spl.imx 839 @rm -f $(obj)u-boot-with-nand-spl.imx 840 @rm -f $(obj)u-boot.ubl 841 @rm -f $(obj)u-boot.ais 842 @rm -f $(obj)u-boot.dtb 843 @rm -f $(obj)u-boot.sb 844 @rm -f $(obj)u-boot.bd 845 @rm -f $(obj)u-boot.spr 846 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 847 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 848 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 849 @rm -f $(obj)spl/u-boot-spl.lds 850 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 851 @rm -f $(obj)tpl/u-boot-spl.lds 852 @rm -f $(obj)MLO MLO.byteswap 853 @rm -f $(obj)SPL 854 @rm -f $(obj)tools/xway-swap-bytes 855 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 856 @rm -fr $(obj)include/generated 857 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 858 @rm -f $(obj)dts/*.tmp 859 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 860 861mrproper \ 862distclean: clobber unconfig 863ifneq ($(OBJTREE),$(SRCTREE)) 864 rm -rf $(obj)* 865endif 866 867backup: 868 F=`basename $(TOPDIR)` ; cd .. ; \ 869 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 870 871######################################################################### 872