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-y += lib/rsa/librsa.o 236LIBS-y += lib/lzma/liblzma.o 237LIBS-y += lib/lzo/liblzo.o 238LIBS-y += 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),mpc83xx) 275LIBS-y += drivers/qe/libqe.o 276LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 277LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 278endif 279ifeq ($(CPU),mpc85xx) 280LIBS-y += drivers/qe/libqe.o 281LIBS-y += drivers/net/fm/libfm.o 282LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 283LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 284endif 285ifeq ($(CPU),mpc86xx) 286LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 287LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 288endif 289LIBS-y += drivers/serial/libserial.o 290LIBS-y += drivers/usb/eth/libusb_eth.o 291LIBS-y += drivers/usb/gadget/libusb_gadget.o 292LIBS-y += drivers/usb/host/libusb_host.o 293LIBS-y += drivers/usb/musb/libusb_musb.o 294LIBS-y += drivers/usb/musb-new/libusb_musb-new.o 295LIBS-y += drivers/usb/phy/libusb_phy.o 296LIBS-y += drivers/usb/ulpi/libusb_ulpi.o 297LIBS-y += common/libcommon.o 298LIBS-y += lib/libfdt/libfdt.o 299LIBS-y += api/libapi.o 300LIBS-y += post/libpost.o 301LIBS-y += test/libtest.o 302 303ifneq ($(CONFIG_OMAP_COMMON),) 304LIBS-y += $(CPUDIR)/omap-common/libomap-common.o 305endif 306 307ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 308LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o 309endif 310 311ifeq ($(SOC),s5pc1xx) 312LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o 313endif 314ifeq ($(SOC),exynos) 315LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o 316endif 317ifneq ($(CONFIG_TEGRA),) 318LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o 319LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o 320LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o 321endif 322 323LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 324.PHONY : $(LIBS) 325 326LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o 327LIBBOARD := $(addprefix $(obj),$(LIBBOARD)) 328 329# Add GCC lib 330ifdef USE_PRIVATE_LIBGCC 331ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 332PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 333else 334PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 335endif 336else 337PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 338endif 339PLATFORM_LIBS += $(PLATFORM_LIBGCC) 340export PLATFORM_LIBS 341 342# Special flags for CPP when processing the linker script. 343# Pass the version down so we can handle backwards compatibility 344# on the fly. 345LDPPFLAGS += \ 346 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 347 -DCPUDIR=$(CPUDIR) \ 348 $(shell $(LD) --version | \ 349 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 350 351__OBJS := $(subst $(obj),,$(OBJS)) 352__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD)) 353 354######################################################################### 355######################################################################### 356 357ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 358BOARD_SIZE_CHECK = \ 359 @actual=`wc -c $@ | awk '{print $$1}'`; \ 360 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 361 if test $$actual -gt $$limit; then \ 362 echo "$@ exceeds file size limit:" >&2 ; \ 363 echo " limit: $$limit bytes" >&2 ; \ 364 echo " actual: $$actual bytes" >&2 ; \ 365 echo " excess: $$((actual - limit)) bytes" >&2; \ 366 exit 1; \ 367 fi 368else 369BOARD_SIZE_CHECK = 370endif 371 372# Always append ALL so that arch config.mk's can add custom ones 373ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 374 375ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 376ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 377ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 378ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 379ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 380ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 381ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 382ifneq ($(CONFIG_SPL_TARGET),) 383ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) 384endif 385 386# enable combined SPL/u-boot/dtb rules for tegra 387ifneq ($(CONFIG_TEGRA),) 388ifeq ($(CONFIG_OF_SEPARATE),y) 389ALL-y += $(obj)u-boot-dtb-tegra.bin 390else 391ALL-y += $(obj)u-boot-nodtb-tegra.bin 392endif 393endif 394 395build := -f $(TOPDIR)/scripts/Makefile.build -C 396 397all: $(ALL-y) $(SUBDIR_EXAMPLES) 398 399$(obj)u-boot.dtb: checkdtc $(obj)u-boot 400 $(MAKE) -C dts binary 401 mv $(obj)dts/dt.dtb $@ 402 403$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 404 cat $^ >$@ 405 406$(obj)u-boot.hex: $(obj)u-boot 407 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 408 409$(obj)u-boot.srec: $(obj)u-boot 410 $(OBJCOPY) -O srec $< $@ 411 412$(obj)u-boot.bin: $(obj)u-boot 413 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 414 $(BOARD_SIZE_CHECK) 415 416$(obj)u-boot.ldr: $(obj)u-boot 417 $(CREATE_LDR_ENV) 418 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 419 $(BOARD_SIZE_CHECK) 420 421$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 422 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 423 424$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 425 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 426 427# 428# U-Boot entry point, needed for booting of full-blown U-Boot 429# from the SPL U-Boot version. 430# 431ifndef CONFIG_SYS_UBOOT_START 432CONFIG_SYS_UBOOT_START := 0 433endif 434 435$(obj)u-boot.img: $(obj)u-boot.bin 436 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 437 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 438 -e $(CONFIG_SYS_UBOOT_START) \ 439 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 440 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 441 -d $< $@ 442 443$(obj)u-boot.imx: $(obj)u-boot.bin depend 444 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 445 446$(obj)u-boot.kwb: $(obj)u-boot.bin 447 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 448 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 449 450$(obj)u-boot.pbl: $(obj)u-boot.bin 451 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 452 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 453 -d $< $@ 454 455$(obj)u-boot.sha1: $(obj)u-boot.bin 456 $(obj)tools/ubsha1 $(obj)u-boot.bin 457 458$(obj)u-boot.dis: $(obj)u-boot 459 $(OBJDUMP) -d $< > $@ 460 461# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 462# $(4) is pad-to 463SPL_PAD_APPEND = \ 464 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 465 $(1) $(obj)$(3); \ 466 cat $(obj)$(3) $(2) > $@; \ 467 rm $(obj)$(3) 468 469ifdef CONFIG_TPL 470SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 471else 472SPL_PAYLOAD := $(obj)u-boot.bin 473endif 474 475$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 476 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 477 478$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 479 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 480 481$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 482 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 483 $(OBJTREE)/u-boot-with-spl.imx 484 485$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 486 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 487 $(OBJTREE)/u-boot-with-nand-spl.imx 488 489$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 490 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 491 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 492 493$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 494 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 495 -T aisimage \ 496 -e $(CONFIG_SPL_TEXT_BASE) \ 497 -d $(obj)spl/u-boot-spl.bin \ 498 $(obj)spl/u-boot-spl.ais 499 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 500 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 501 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 502 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 503 $(obj)u-boot.ais 504 505 506$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 507 $(MAKE) -C $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 508 509# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 510# Both images are created using mkimage (crc etc), so that the ROM 511# bootloader can check its integrity. Padding needs to be done to the 512# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 513# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 514# The resulting image containing both U-Boot images is called u-boot.spr 515$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 516 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 517 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 518 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 519 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 520 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 521 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 522 conv=notrunc 2>/dev/null 523 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 524 525ifneq ($(CONFIG_TEGRA),) 526$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 527 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 528 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 529 rm $(obj)spl/u-boot-spl-pad.bin 530 531ifeq ($(CONFIG_OF_SEPARATE),y) 532$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 533 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 534endif 535endif 536 537$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 538 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 539 540# PPC4xx needs the SPL at the end of the image, since the reset vector 541# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 542# and need to introduce a new build target with the full blown U-Boot 543# at the start padded up to the start of the SPL image. And then concat 544# the SPL image to the end. 545$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 546 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ 547 of=$(obj)u-boot-pad.img 2>/dev/null 548 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ 549 conv=notrunc 2>/dev/null 550 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ 551 552ifeq ($(CONFIG_SANDBOX),y) 553GEN_UBOOT = \ 554 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 555 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 556 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 557else 558GEN_UBOOT = \ 559 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 560 $(__OBJS) \ 561 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 562 -Map u-boot.map -o u-boot 563endif 564 565$(obj)u-boot: depend \ 566 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 567 $(GEN_UBOOT) 568ifeq ($(CONFIG_KALLSYMS),y) 569 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 570 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 571 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 572 -c common/system_map.c -o $(obj)common/system_map.o 573 $(GEN_UBOOT) $(obj)common/system_map.o 574endif 575 576# Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles 577# U-Boot conventional sub makefiles always include some other makefiles. 578# So, the build system searches a line beginning with "include" before entering into the sub makefile 579# in order to distinguish which style it is. 580# If the Makefile include a "include" line, we assume it is an U-Boot style makefile. 581# Otherwise, it is treated as a Kbuild-style makefile. 582select_makefile = \ 583 +if grep -q "^include" $1/Makefile; then \ 584 $(MAKE) -C $1; \ 585 else \ 586 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build; \ 587 mv $(dir $@)built-in.o $@; \ 588 fi 589 590# We do not need to build $(OBJS) explicitly. 591# It is built while we are at $(CPUDIR)/lib$(CPU).o build. 592$(OBJS): depend 593 if grep -q "^include" $(CPUDIR)/Makefile; then \ 594 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)); \ 595 fi 596 597$(LIBS): depend $(SUBDIR_TOOLS) 598 +$(call select_makefile, $(dir $(subst $(obj),,$@))) 599 600$(LIBBOARD): depend $(LIBS) 601 +$(call select_makefile, $(dir $(subst $(obj),,$@))) 602 603$(SUBDIRS): depend 604 $(MAKE) -C $@ all 605 606$(SUBDIR_EXAMPLES): $(obj)u-boot 607 608$(LDSCRIPT): depend 609 $(MAKE) -C $(dir $@) $(notdir $@) 610 611$(obj)u-boot.lds: $(LDSCRIPT) 612 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 613 614nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 615 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 616 617$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 618 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 619 620$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 621 $(MAKE) -C spl all 622 623$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 624 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 625 626updater: 627 $(MAKE) -C tools/updater all 628 629select_makefile2 = \ 630 if grep -q "^include" $1/Makefile; then \ 631 $(MAKE) -C $1 _depend; \ 632 else \ 633 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build _depend; \ 634 fi 635 636# Explicitly make _depend in subdirs containing multiple targets to prevent 637# parallel sub-makes creating .depend files simultaneously. 638depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 639 $(obj)include/spl-autoconf.mk \ 640 $(obj)include/tpl-autoconf.mk \ 641 $(obj)include/autoconf.mk \ 642 $(obj)include/generated/generic-asm-offsets.h \ 643 $(obj)include/generated/asm-offsets.h 644 +for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \ 645 $(call select_makefile2, $$dir); \ 646 done 647 648TAG_SUBDIRS = $(SUBDIRS) 649TAG_SUBDIRS += $(dir $(__LIBS)) 650TAG_SUBDIRS += include 651 652FIND := find 653FINDFLAGS := -L 654 655checkstack: 656 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 657 `$(FIND) $(obj) -name u-boot-spl -print` | \ 658 perl $(src)tools/checkstack.pl $(ARCH) 659 660tags ctags: 661 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 662 -name '*.[chS]' -print` 663 664etags: 665 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 666 -name '*.[chS]' -print` 667cscope: 668 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 669 cscope.files 670 cscope -b -q -k 671 672SYSTEM_MAP = \ 673 $(NM) $1 | \ 674 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 675 LC_ALL=C sort 676$(obj)System.map: $(obj)u-boot 677 @$(call SYSTEM_MAP,$<) > $(obj)System.map 678 679checkthumb: 680 @if test $(call cc-version) -lt 0404; then \ 681 echo -n '*** Your GCC does not produce working '; \ 682 echo 'binaries in THUMB mode.'; \ 683 echo '*** Your board is configured for THUMB mode.'; \ 684 false; \ 685 fi 686 687# GCC 3.x is reported to have problems generating the type of relocation 688# that U-Boot wants. 689# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 690checkgcc4: 691 @if test $(call cc-version) -lt 0400; then \ 692 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 693 false; \ 694 fi 695 696checkdtc: 697 @if test $(call dtc-version) -lt 0104; then \ 698 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 699 false; \ 700 fi 701 702# 703# Auto-generate the autoconf.mk file (which is included by all makefiles) 704# 705# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 706# the dep file is only include in this top level makefile to determine when 707# to regenerate the autoconf.mk file. 708$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 709 @$(XECHO) Generating $@ ; \ 710 set -e ; \ 711 : Generate the dependancies ; \ 712 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 713 -MQ $(obj)include/autoconf.mk include/common.h > $@ 714 715$(obj)include/autoconf.mk: $(obj)include/config.h 716 @$(XECHO) Generating $@ ; \ 717 set -e ; \ 718 : Extract the config macros ; \ 719 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 720 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 721 mv $@.tmp $@ 722 723# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 724$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 725 @$(XECHO) Generating $@ ; \ 726 set -e ; \ 727 : Extract the config macros ; \ 728 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 729 -DDO_DEPS_ONLY -dM include/common.h | \ 730 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 731 mv $@.tmp $@ 732 733$(obj)include/spl-autoconf.mk: $(obj)include/config.h 734 @$(XECHO) Generating $@ ; \ 735 set -e ; \ 736 : Extract the config macros ; \ 737 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \ 738 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 739 mv $@.tmp $@ 740 741$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 742 $(obj)include/spl-autoconf.mk \ 743 $(obj)include/tpl-autoconf.mk \ 744 $(obj)lib/asm-offsets.s 745 @$(XECHO) Generating $@ 746 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 747 748$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 749 $(obj)include/spl-autoconf.mk \ 750 $(obj)include/tpl-autoconf.mk \ 751 $(src)lib/asm-offsets.c 752 @mkdir -p $(obj)lib 753 $(CC) -DDO_DEPS_ONLY \ 754 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 755 -o $@ $(src)lib/asm-offsets.c -c -S 756 757$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 758 $(obj)include/spl-autoconf.mk \ 759 $(obj)include/tpl-autoconf.mk \ 760 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 761 @$(XECHO) Generating $@ 762 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 763 764$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 765 $(obj)include/spl-autoconf.mk \ 766 $(obj)include/tpl-autoconf.mk 767 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 768 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 769 $(CC) -DDO_DEPS_ONLY \ 770 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 771 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 772 else \ 773 touch $@; \ 774 fi 775 776######################################################################### 777else # !config.mk 778all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 779$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 780$(filter-out tools,$(SUBDIRS)) \ 781updater depend dep tags ctags etags cscope $(obj)System.map: 782 @echo "System not configured - see README" >&2 783 @ exit 1 784 785tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 786 $(MAKE) -C $@ all 787endif # config.mk 788 789# ARM relocations should all be R_ARM_RELATIVE. 790checkarmreloc: $(obj)u-boot 791 @if test "R_ARM_RELATIVE" != \ 792 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \ 793 then echo "$< contains relocations other than \ 794 R_ARM_RELATIVE"; false; fi 795 796$(VERSION_FILE): 797 @mkdir -p $(dir $(VERSION_FILE)) 798 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 799 printf '#define PLAIN_VERSION "%s%s"\n' \ 800 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 801 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 802 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 803 ) > $@.tmp 804 @( printf '#define CC_VERSION_STRING "%s"\n' \ 805 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 806 @( printf '#define LD_VERSION_STRING "%s"\n' \ 807 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 808 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 809 810$(TIMESTAMP_FILE): 811 @mkdir -p $(dir $(TIMESTAMP_FILE)) 812 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 813 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 814 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 815 816easylogo env gdb: 817 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 818gdbtools: gdb 819 820xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 821 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 822 823tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 824 $(MAKE) -C tools HOST_TOOLS_ALL=y 825 826.PHONY : CHANGELOG 827CHANGELOG: 828 git log --no-merges U-Boot-1_1_5.. | \ 829 unexpand -a | sed -e 's/\s\s*$$//' > $@ 830 831include/license.h: tools/bin2header COPYING 832 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 833######################################################################### 834 835unconfig: 836 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 837 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 838 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 839 $(obj)include/spl-autoconf.mk \ 840 $(obj)include/tpl-autoconf.mk 841 842%_config:: unconfig 843 @$(MKCONFIG) -A $(@:_config=) 844 845sinclude $(obj).boards.depend 846$(obj).boards.depend: boards.cfg 847 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 848 849# 850# Functions to generate common board directory names 851# 852lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') 853ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') 854 855######################################################################### 856######################################################################### 857 858clean: 859 @rm -f $(obj)examples/standalone/82559_eeprom \ 860 $(obj)examples/standalone/atmel_df_pow2 \ 861 $(obj)examples/standalone/eepro100_eeprom \ 862 $(obj)examples/standalone/hello_world \ 863 $(obj)examples/standalone/interrupt \ 864 $(obj)examples/standalone/mem_to_mem_idma2intr \ 865 $(obj)examples/standalone/sched \ 866 $(obj)examples/standalone/smc911{11,x}_eeprom \ 867 $(obj)examples/standalone/test_burst \ 868 $(obj)examples/standalone/timer 869 @rm -f $(obj)examples/api/demo{,.bin} 870 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 871 $(obj)tools/env/{fw_printenv,fw_setenv} \ 872 $(obj)tools/envcrc \ 873 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 874 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 875 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 876 $(obj)tools/mk{$(BOARD),}spl \ 877 $(obj)tools/mxsboot \ 878 $(obj)tools/ncb $(obj)tools/ubsha1 \ 879 $(obj)tools/kernel-doc/docproc \ 880 $(obj)tools/proftool 881 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 882 $(obj)board/matrix_vision/*/bootscript.img \ 883 $(obj)board/voiceblue/eeprom \ 884 $(obj)u-boot.lds \ 885 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ 886 $(obj)arch/blackfin/cpu/init.{lds,elf} 887 @rm -f $(obj)include/bmp_logo.h 888 @rm -f $(obj)include/bmp_logo_data.h 889 @rm -f $(obj)lib/asm-offsets.s 890 @rm -f $(obj)include/generated/asm-offsets.h 891 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 892 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 893 @$(MAKE) -s -C doc/DocBook/ cleandocs 894 @find $(OBJTREE) -type f \ 895 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 896 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 897 -o -name '*.cfgtmp' \) -print \ 898 | xargs rm -f 899 900# Removes everything not needed for testing u-boot 901tidy: clean 902 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 903 904clobber: tidy 905 @find $(OBJTREE) -type f \( -name '*.srec' \ 906 -o -name '*.bin' -o -name u-boot.img \) \ 907 -print0 | xargs -0 rm -f 908 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 909 $(obj)cscope.* $(obj)*.*~ 910 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 911 @rm -f $(obj)u-boot.kwb 912 @rm -f $(obj)u-boot.pbl 913 @rm -f $(obj)u-boot.imx 914 @rm -f $(obj)u-boot-with-spl.imx 915 @rm -f $(obj)u-boot-with-nand-spl.imx 916 @rm -f $(obj)u-boot.ubl 917 @rm -f $(obj)u-boot.ais 918 @rm -f $(obj)u-boot.dtb 919 @rm -f $(obj)u-boot.sb 920 @rm -f $(obj)u-boot.bd 921 @rm -f $(obj)u-boot.spr 922 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 923 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 924 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 925 @rm -f $(obj)spl/u-boot-spl.lds 926 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 927 @rm -f $(obj)tpl/u-boot-spl.lds 928 @rm -f $(obj)MLO MLO.byteswap 929 @rm -f $(obj)SPL 930 @rm -f $(obj)tools/xway-swap-bytes 931 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 932 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 933 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 934 @rm -fr $(obj)include/generated 935 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 936 @rm -f $(obj)dts/*.tmp 937 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 938 939mrproper \ 940distclean: clobber unconfig 941ifneq ($(OBJTREE),$(SRCTREE)) 942 rm -rf $(obj)* 943endif 944 945backup: 946 F=`basename $(TOPDIR)` ; cd .. ; \ 947 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 948 949######################################################################### 950