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 = 2013 9PATCHLEVEL = 10 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 68ifdef O 69ifeq ("$(origin O)", "command line") 70BUILD_DIR := $(O) 71endif 72endif 73 74# Call a source code checker (by default, "sparse") as part of the 75# C compilation. 76# 77# Use 'make C=1' to enable checking of re-compiled files. 78# 79# See the linux kernel file "Documentation/sparse.txt" for more details, 80# including where to get the "sparse" utility. 81 82ifdef C 83ifeq ("$(origin C)", "command line") 84CHECKSRC := $(C) 85endif 86endif 87ifndef CHECKSRC 88 CHECKSRC = 0 89endif 90export CHECKSRC 91 92ifneq ($(BUILD_DIR),) 93saved-output := $(BUILD_DIR) 94 95# Attempt to create a output directory. 96$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}) 97 98# Verify if it was successful. 99BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) 100$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) 101endif # ifneq ($(BUILD_DIR),) 102 103OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) 104SPLTREE := $(OBJTREE)/spl 105TPLTREE := $(OBJTREE)/tpl 106SRCTREE := $(CURDIR) 107TOPDIR := $(SRCTREE) 108LNDIR := $(OBJTREE) 109export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 110 111MKCONFIG := $(SRCTREE)/mkconfig 112export MKCONFIG 113 114ifneq ($(OBJTREE),$(SRCTREE)) 115REMOTE_BUILD := 1 116export REMOTE_BUILD 117endif 118 119# $(obj) and (src) are defined in config.mk but here in main Makefile 120# we also need them before config.mk is included which is the case for 121# some targets like unconfig, clean, clobber, distclean, etc. 122ifneq ($(OBJTREE),$(SRCTREE)) 123obj := $(OBJTREE)/ 124src := $(SRCTREE)/ 125else 126obj := 127src := 128endif 129export obj src 130 131# Make sure CDPATH settings don't interfere 132unexport CDPATH 133 134######################################################################### 135 136# The "tools" are needed early, so put this first 137# Don't include stuff already done in $(LIBS) 138# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 139# is "yes"), so compile examples after U-Boot is compiled. 140SUBDIR_TOOLS = tools 141SUBDIR_EXAMPLES = examples/standalone examples/api 142SUBDIRS = $(SUBDIR_TOOLS) 143 144.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 145 146ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk)) 147 148# Include autoconf.mk before config.mk so that the config options are available 149# to all top level build files. We need the dummy all: target to prevent the 150# dependency target in autoconf.mk.dep from being the default. 151all: 152sinclude $(obj)include/autoconf.mk.dep 153sinclude $(obj)include/autoconf.mk 154 155ifndef CONFIG_SANDBOX 156SUBDIRS += $(SUBDIR_EXAMPLES) 157endif 158 159# load ARCH, BOARD, and CPU configuration 160include $(obj)include/config.mk 161export ARCH CPU BOARD VENDOR SOC 162 163# set default to nothing for native builds 164ifeq ($(HOSTARCH),$(ARCH)) 165CROSS_COMPILE ?= 166endif 167 168# load other configuration 169include $(TOPDIR)/config.mk 170 171# Targets which don't build the source code 172NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig 173 174# Only do the generic board check when actually building, not configuring 175ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),) 176ifeq ($(findstring _config,$(MAKECMDGOALS)),) 177$(CHECK_GENERIC_BOARD) 178endif 179endif 180 181# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 182# that (or fail if absent). Otherwise, search for a linker script in a 183# standard location. 184 185LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 186 187ifndef LDSCRIPT 188 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 189 ifdef CONFIG_SYS_LDSCRIPT 190 # need to strip off double quotes 191 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT)) 192 endif 193endif 194 195# If there is no specified link script, we look in a number of places for it 196ifndef LDSCRIPT 197 ifeq ($(CONFIG_NAND_U_BOOT),y) 198 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 199 ifeq ($(wildcard $(LDSCRIPT)),) 200 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 201 endif 202 endif 203 ifeq ($(wildcard $(LDSCRIPT)),) 204 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 205 endif 206 ifeq ($(wildcard $(LDSCRIPT)),) 207 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 208 endif 209 ifeq ($(wildcard $(LDSCRIPT)),) 210 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 211 # We don't expect a Makefile here 212 LDSCRIPT_MAKEFILE_DIR = 213 endif 214 ifeq ($(wildcard $(LDSCRIPT)),) 215$(error could not find linker script) 216 endif 217endif 218 219######################################################################### 220# U-Boot objects....order is important (i.e. start must be first) 221 222OBJS = $(CPUDIR)/start.o 223ifeq ($(CPU),ppc4xx) 224OBJS += $(CPUDIR)/resetvec.o 225endif 226ifeq ($(CPU),mpc85xx) 227OBJS += $(CPUDIR)/resetvec.o 228endif 229 230OBJS := $(addprefix $(obj),$(OBJS)) 231 232HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 233 234LIBS-y += lib/libgeneric.o 235LIBS-$(CONFIG_RSA) += lib/rsa/librsa.o 236LIBS-$(CONFIG_LZMA) += lib/lzma/liblzma.o 237LIBS-$(CONFIG_LZO) += lib/lzo/liblzo.o 238LIBS-$(CONFIG_ZLIB) += lib/zlib/libz.o 239LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o 240LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o 241LIBS-y += $(CPUDIR)/lib$(CPU).o 242ifdef SOC 243LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o 244endif 245ifeq ($(CPU),ixp) 246LIBS-y += drivers/net/npe/libnpe.o 247endif 248LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o 249LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o 250LIBS-y += fs/libfs.o \ 251 fs/fat/libfat.o 252LIBS-y += net/libnet.o 253LIBS-y += disk/libdisk.o 254LIBS-y += drivers/libdrivers.o 255LIBS-y += drivers/dma/libdma.o 256LIBS-y += drivers/gpio/libgpio.o 257LIBS-y += drivers/i2c/libi2c.o 258LIBS-y += drivers/input/libinput.o 259LIBS-y += drivers/mmc/libmmc.o 260LIBS-y += drivers/mtd/libmtd.o 261LIBS-y += drivers/mtd/nand/libnand.o 262LIBS-y += drivers/mtd/onenand/libonenand.o 263LIBS-y += drivers/mtd/ubi/libubi.o 264LIBS-y += drivers/mtd/spi/libspi_flash.o 265LIBS-y += drivers/net/libnet.o 266LIBS-y += drivers/net/phy/libphy.o 267LIBS-y += drivers/pci/libpci.o 268LIBS-y += drivers/power/libpower.o \ 269 drivers/power/fuel_gauge/libfuel_gauge.o \ 270 drivers/power/mfd/libmfd.o \ 271 drivers/power/pmic/libpmic.o \ 272 drivers/power/battery/libbattery.o 273LIBS-y += drivers/spi/libspi.o 274ifeq ($(CPU),mpc85xx) 275LIBS-y += drivers/net/fm/libfm.o 276endif 277LIBS-y += drivers/serial/libserial.o 278LIBS-y += drivers/usb/eth/libusb_eth.o 279LIBS-y += drivers/usb/gadget/libusb_gadget.o 280LIBS-y += drivers/usb/host/libusb_host.o 281LIBS-y += drivers/usb/musb/libusb_musb.o 282LIBS-y += drivers/usb/musb-new/libusb_musb-new.o 283LIBS-y += drivers/usb/phy/libusb_phy.o 284LIBS-y += drivers/usb/ulpi/libusb_ulpi.o 285LIBS-y += common/libcommon.o 286LIBS-y += lib/libfdt/libfdt.o 287LIBS-y += api/libapi.o 288LIBS-y += post/libpost.o 289LIBS-y += test/libtest.o 290 291ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 292LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o 293endif 294 295LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o 296LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/libcpu.o 297 298LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o 299 300LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 301.PHONY : $(LIBS) 302 303# Add GCC lib 304ifdef USE_PRIVATE_LIBGCC 305ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 306PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 307else 308PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 309endif 310else 311PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 312endif 313PLATFORM_LIBS += $(PLATFORM_LIBGCC) 314export PLATFORM_LIBS 315 316# Special flags for CPP when processing the linker script. 317# Pass the version down so we can handle backwards compatibility 318# on the fly. 319LDPPFLAGS += \ 320 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 321 -DCPUDIR=$(CPUDIR) \ 322 $(shell $(LD) --version | \ 323 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 324 325__OBJS := $(subst $(obj),,$(OBJS)) 326__LIBS := $(subst $(obj),,$(LIBS)) 327 328######################################################################### 329######################################################################### 330 331ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 332BOARD_SIZE_CHECK = \ 333 @actual=`wc -c $@ | awk '{print $$1}'`; \ 334 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 335 if test $$actual -gt $$limit; then \ 336 echo "$@ exceeds file size limit:" >&2 ; \ 337 echo " limit: $$limit bytes" >&2 ; \ 338 echo " actual: $$actual bytes" >&2 ; \ 339 echo " excess: $$((actual - limit)) bytes" >&2; \ 340 exit 1; \ 341 fi 342else 343BOARD_SIZE_CHECK = 344endif 345 346# Always append ALL so that arch config.mk's can add custom ones 347ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 348 349ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 350ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 351ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 352ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 353ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 354ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 355ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 356ifneq ($(CONFIG_SPL_TARGET),) 357ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) 358endif 359 360# enable combined SPL/u-boot/dtb rules for tegra 361ifneq ($(CONFIG_TEGRA),) 362ifeq ($(CONFIG_OF_SEPARATE),y) 363ALL-y += $(obj)u-boot-dtb-tegra.bin 364else 365ALL-y += $(obj)u-boot-nodtb-tegra.bin 366endif 367endif 368 369build := -f $(TOPDIR)/scripts/Makefile.build -C 370 371all: $(ALL-y) $(SUBDIR_EXAMPLES) 372 373$(obj)u-boot.dtb: checkdtc $(obj)u-boot 374 $(MAKE) $(build) dts binary 375 mv $(obj)dts/dt.dtb $@ 376 377$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 378 cat $^ >$@ 379 380$(obj)u-boot.hex: $(obj)u-boot 381 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 382 383$(obj)u-boot.srec: $(obj)u-boot 384 $(OBJCOPY) -O srec $< $@ 385 386$(obj)u-boot.bin: $(obj)u-boot 387 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 388 $(BOARD_SIZE_CHECK) 389 390$(obj)u-boot.ldr: $(obj)u-boot 391 $(CREATE_LDR_ENV) 392 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 393 $(BOARD_SIZE_CHECK) 394 395$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 396 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 397 398$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 399 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 400 401# 402# U-Boot entry point, needed for booting of full-blown U-Boot 403# from the SPL U-Boot version. 404# 405ifndef CONFIG_SYS_UBOOT_START 406CONFIG_SYS_UBOOT_START := 0 407endif 408 409$(obj)u-boot.img: $(obj)u-boot.bin 410 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 411 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 412 -e $(CONFIG_SYS_UBOOT_START) \ 413 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 414 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 415 -d $< $@ 416 417$(obj)u-boot.imx: $(obj)u-boot.bin depend 418 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 419 420$(obj)u-boot.kwb: $(obj)u-boot.bin 421 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 422 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 423 424$(obj)u-boot.pbl: $(obj)u-boot.bin 425 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 426 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 427 -d $< $@ 428 429$(obj)u-boot.sha1: $(obj)u-boot.bin 430 $(obj)tools/ubsha1 $(obj)u-boot.bin 431 432$(obj)u-boot.dis: $(obj)u-boot 433 $(OBJDUMP) -d $< > $@ 434 435# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 436# $(4) is pad-to 437SPL_PAD_APPEND = \ 438 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 439 $(1) $(obj)$(3); \ 440 cat $(obj)$(3) $(2) > $@; \ 441 rm $(obj)$(3) 442 443ifdef CONFIG_TPL 444SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 445else 446SPL_PAYLOAD := $(obj)u-boot.bin 447endif 448 449$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 450 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 451 452$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 453 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 454 455$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 456 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 457 $(OBJTREE)/u-boot-with-spl.imx 458 459$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 460 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 461 $(OBJTREE)/u-boot-with-nand-spl.imx 462 463$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 464 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 465 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 466 467$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 468 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 469 -T aisimage \ 470 -e $(CONFIG_SPL_TEXT_BASE) \ 471 -d $(obj)spl/u-boot-spl.bin \ 472 $(obj)spl/u-boot-spl.ais 473 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 474 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 475 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 476 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 477 $(obj)u-boot.ais 478 479 480$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 481 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 482 483# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 484# Both images are created using mkimage (crc etc), so that the ROM 485# bootloader can check its integrity. Padding needs to be done to the 486# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 487# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 488# The resulting image containing both U-Boot images is called u-boot.spr 489$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 490 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 491 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 492 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 493 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 494 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 495 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 496 conv=notrunc 2>/dev/null 497 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 498 499ifneq ($(CONFIG_TEGRA),) 500$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 501 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 502 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 503 rm $(obj)spl/u-boot-spl-pad.bin 504 505ifeq ($(CONFIG_OF_SEPARATE),y) 506$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 507 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 508endif 509endif 510 511$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 512 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 513 514# PPC4xx needs the SPL at the end of the image, since the reset vector 515# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 516# and need to introduce a new build target with the full blown U-Boot 517# at the start padded up to the start of the SPL image. And then concat 518# the SPL image to the end. 519$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 520 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ 521 of=$(obj)u-boot-pad.img 2>/dev/null 522 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ 523 conv=notrunc 2>/dev/null 524 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ 525 526ifeq ($(CONFIG_SANDBOX),y) 527GEN_UBOOT = \ 528 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 529 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 530 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 531else 532GEN_UBOOT = \ 533 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 534 $(__OBJS) \ 535 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 536 -Map u-boot.map -o u-boot 537endif 538 539$(obj)u-boot: depend \ 540 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 541 $(GEN_UBOOT) 542ifeq ($(CONFIG_KALLSYMS),y) 543 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 544 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 545 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 546 -c common/system_map.c -o $(obj)common/system_map.o 547 $(GEN_UBOOT) $(obj)common/system_map.o 548endif 549 550$(OBJS): 551 @: 552 553$(LIBS): depend $(SUBDIR_TOOLS) 554 $(MAKE) $(build) $(dir $(subst $(obj),,$@)) 555 mv $(dir $@)built-in.o $@ 556 557$(SUBDIRS): depend 558 $(MAKE) -C $@ all 559 560$(SUBDIR_EXAMPLES): $(obj)u-boot 561 562$(LDSCRIPT): depend 563 $(MAKE) -C $(dir $@) $(notdir $@) 564 565$(obj)u-boot.lds: $(LDSCRIPT) 566 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 567 568nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 569 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 570 571$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 572 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 573 574$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 575 $(MAKE) -C spl all 576 577$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 578 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 579 580updater: 581 $(MAKE) -C tools/updater all 582 583# Explicitly make _depend in subdirs containing multiple targets to prevent 584# parallel sub-makes creating .depend files simultaneously. 585depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 586 $(obj)include/spl-autoconf.mk \ 587 $(obj)include/tpl-autoconf.mk \ 588 $(obj)include/autoconf.mk \ 589 $(obj)include/generated/generic-asm-offsets.h \ 590 $(obj)include/generated/asm-offsets.h 591 592TAG_SUBDIRS = $(SUBDIRS) 593TAG_SUBDIRS += $(dir $(__LIBS)) 594TAG_SUBDIRS += include 595 596FIND := find 597FINDFLAGS := -L 598 599checkstack: 600 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 601 `$(FIND) $(obj) -name u-boot-spl -print` | \ 602 perl $(src)tools/checkstack.pl $(ARCH) 603 604tags ctags: 605 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 606 -name '*.[chS]' -print` 607 608etags: 609 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 610 -name '*.[chS]' -print` 611cscope: 612 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 613 cscope.files 614 cscope -b -q -k 615 616SYSTEM_MAP = \ 617 $(NM) $1 | \ 618 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 619 LC_ALL=C sort 620$(obj)System.map: $(obj)u-boot 621 @$(call SYSTEM_MAP,$<) > $(obj)System.map 622 623checkthumb: 624 @if test $(call cc-version) -lt 0404; then \ 625 echo -n '*** Your GCC does not produce working '; \ 626 echo 'binaries in THUMB mode.'; \ 627 echo '*** Your board is configured for THUMB mode.'; \ 628 false; \ 629 fi 630 631# GCC 3.x is reported to have problems generating the type of relocation 632# that U-Boot wants. 633# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 634checkgcc4: 635 @if test $(call cc-version) -lt 0400; then \ 636 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 637 false; \ 638 fi 639 640checkdtc: 641 @if test $(call dtc-version) -lt 0104; then \ 642 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 643 false; \ 644 fi 645 646# 647# Auto-generate the autoconf.mk file (which is included by all makefiles) 648# 649# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 650# the dep file is only include in this top level makefile to determine when 651# to regenerate the autoconf.mk file. 652$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 653 @$(XECHO) Generating $@ ; \ 654 set -e ; \ 655 : Generate the dependancies ; \ 656 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 657 -MQ $(obj)include/autoconf.mk include/common.h > $@ 658 659$(obj)include/autoconf.mk: $(obj)include/config.h 660 @$(XECHO) Generating $@ ; \ 661 set -e ; \ 662 : Extract the config macros ; \ 663 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 664 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 665 mv $@.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 set -e ; \ 671 : Extract the config macros ; \ 672 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 673 -DDO_DEPS_ONLY -dM include/common.h | \ 674 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 675 mv $@.tmp $@ 676 677$(obj)include/spl-autoconf.mk: $(obj)include/config.h 678 @$(XECHO) Generating $@ ; \ 679 set -e ; \ 680 : Extract the config macros ; \ 681 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \ 682 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 683 mv $@.tmp $@ 684 685$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 686 $(obj)include/spl-autoconf.mk \ 687 $(obj)include/tpl-autoconf.mk \ 688 $(obj)lib/asm-offsets.s 689 @$(XECHO) Generating $@ 690 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 691 692$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 693 $(obj)include/spl-autoconf.mk \ 694 $(obj)include/tpl-autoconf.mk \ 695 $(src)lib/asm-offsets.c 696 @mkdir -p $(obj)lib 697 $(CC) -DDO_DEPS_ONLY \ 698 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 699 -o $@ $(src)lib/asm-offsets.c -c -S 700 701$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 702 $(obj)include/spl-autoconf.mk \ 703 $(obj)include/tpl-autoconf.mk \ 704 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 705 @$(XECHO) Generating $@ 706 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 707 708$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 709 $(obj)include/spl-autoconf.mk \ 710 $(obj)include/tpl-autoconf.mk 711 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 712 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 713 $(CC) -DDO_DEPS_ONLY \ 714 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 715 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 716 else \ 717 touch $@; \ 718 fi 719 720######################################################################### 721else # !config.mk 722all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 723$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 724$(filter-out tools,$(SUBDIRS)) \ 725updater depend dep tags ctags etags cscope $(obj)System.map: 726 @echo "System not configured - see README" >&2 727 @ exit 1 728 729tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 730 $(MAKE) -C $@ all 731endif # config.mk 732 733# ARM relocations should all be R_ARM_RELATIVE. 734checkarmreloc: $(obj)u-boot 735 @if test "R_ARM_RELATIVE" != \ 736 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \ 737 then echo "$< contains relocations other than \ 738 R_ARM_RELATIVE"; false; fi 739 740$(VERSION_FILE): 741 @mkdir -p $(dir $(VERSION_FILE)) 742 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 743 printf '#define PLAIN_VERSION "%s%s"\n' \ 744 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 745 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 746 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 747 ) > $@.tmp 748 @( printf '#define CC_VERSION_STRING "%s"\n' \ 749 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 750 @( printf '#define LD_VERSION_STRING "%s"\n' \ 751 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 752 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 753 754$(TIMESTAMP_FILE): 755 @mkdir -p $(dir $(TIMESTAMP_FILE)) 756 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 757 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 758 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 759 760easylogo env gdb: 761 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 762gdbtools: gdb 763 764xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 765 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 766 767tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 768 $(MAKE) -C tools HOST_TOOLS_ALL=y 769 770.PHONY : CHANGELOG 771CHANGELOG: 772 git log --no-merges U-Boot-1_1_5.. | \ 773 unexpand -a | sed -e 's/\s\s*$$//' > $@ 774 775include/license.h: tools/bin2header COPYING 776 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 777######################################################################### 778 779unconfig: 780 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 781 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 782 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 783 $(obj)include/spl-autoconf.mk \ 784 $(obj)include/tpl-autoconf.mk 785 786%_config:: unconfig 787 @$(MKCONFIG) -A $(@:_config=) 788 789sinclude $(obj).boards.depend 790$(obj).boards.depend: boards.cfg 791 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 792 793# 794# Functions to generate common board directory names 795# 796lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') 797ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') 798 799######################################################################### 800######################################################################### 801 802clean: 803 @rm -f $(obj)examples/standalone/82559_eeprom \ 804 $(obj)examples/standalone/atmel_df_pow2 \ 805 $(obj)examples/standalone/eepro100_eeprom \ 806 $(obj)examples/standalone/hello_world \ 807 $(obj)examples/standalone/interrupt \ 808 $(obj)examples/standalone/mem_to_mem_idma2intr \ 809 $(obj)examples/standalone/sched \ 810 $(obj)examples/standalone/smc911{11,x}_eeprom \ 811 $(obj)examples/standalone/test_burst \ 812 $(obj)examples/standalone/timer 813 @rm -f $(obj)examples/api/demo{,.bin} 814 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 815 $(obj)tools/env/{fw_printenv,fw_setenv} \ 816 $(obj)tools/envcrc \ 817 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 818 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 819 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 820 $(obj)tools/mk{$(BOARD),}spl \ 821 $(obj)tools/mxsboot \ 822 $(obj)tools/ncb $(obj)tools/ubsha1 \ 823 $(obj)tools/kernel-doc/docproc \ 824 $(obj)tools/proftool 825 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 826 $(obj)board/matrix_vision/*/bootscript.img \ 827 $(obj)board/voiceblue/eeprom \ 828 $(obj)u-boot.lds \ 829 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ 830 $(obj)arch/blackfin/cpu/init.{lds,elf} 831 @rm -f $(obj)include/bmp_logo.h 832 @rm -f $(obj)include/bmp_logo_data.h 833 @rm -f $(obj)lib/asm-offsets.s 834 @rm -f $(obj)include/generated/asm-offsets.h 835 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 836 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 837 @$(MAKE) -s -C doc/DocBook/ cleandocs 838 @find $(OBJTREE) -type f \ 839 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 840 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 841 -o -name '*.cfgtmp' \) -print \ 842 | xargs rm -f 843 844# Removes everything not needed for testing u-boot 845tidy: clean 846 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 847 848clobber: tidy 849 @find $(OBJTREE) -type f \( -name '*.srec' \ 850 -o -name '*.bin' -o -name u-boot.img \) \ 851 -print0 | xargs -0 rm -f 852 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 853 $(obj)cscope.* $(obj)*.*~ 854 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 855 @rm -f $(obj)u-boot.kwb 856 @rm -f $(obj)u-boot.pbl 857 @rm -f $(obj)u-boot.imx 858 @rm -f $(obj)u-boot-with-spl.imx 859 @rm -f $(obj)u-boot-with-nand-spl.imx 860 @rm -f $(obj)u-boot.ubl 861 @rm -f $(obj)u-boot.ais 862 @rm -f $(obj)u-boot.dtb 863 @rm -f $(obj)u-boot.sb 864 @rm -f $(obj)u-boot.bd 865 @rm -f $(obj)u-boot.spr 866 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 867 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 868 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 869 @rm -f $(obj)spl/u-boot-spl.lds 870 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 871 @rm -f $(obj)tpl/u-boot-spl.lds 872 @rm -f $(obj)MLO MLO.byteswap 873 @rm -f $(obj)SPL 874 @rm -f $(obj)tools/xway-swap-bytes 875 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 876 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 877 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 878 @rm -fr $(obj)include/generated 879 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 880 @rm -f $(obj)dts/*.tmp 881 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 882 883mrproper \ 884distclean: clobber unconfig 885ifneq ($(OBJTREE),$(SRCTREE)) 886 rm -rf $(obj)* 887endif 888 889backup: 890 F=`basename $(TOPDIR)` ; cd .. ; \ 891 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 892 893######################################################################### 894