1# 2# (C) Copyright 2000-2012 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# See file CREDITS for list of people who contributed to this 6# project. 7# 8# This program is free software; you can redistribute it and/or 9# modify it under the terms of the GNU General Public License as 10# published by the Free Software Foundatio; either version 2 of 11# the License, or (at your option) any later version. 12# 13# This program is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16# GNU General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with this program; if not, write to the Free Software 20# Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21# MA 02111-1307 USA 22# 23 24VERSION = 2013 25PATCHLEVEL = 04 26SUBLEVEL = 27EXTRAVERSION = 28ifneq "$(SUBLEVEL)" "" 29U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 30else 31U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION) 32endif 33TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h 34VERSION_FILE = $(obj)include/generated/version_autogenerated.h 35 36HOSTARCH := $(shell uname -m | \ 37 sed -e s/i.86/x86/ \ 38 -e s/sun4u/sparc64/ \ 39 -e s/arm.*/arm/ \ 40 -e s/sa110/arm/ \ 41 -e s/ppc64/powerpc/ \ 42 -e s/ppc/powerpc/ \ 43 -e s/macppc/powerpc/\ 44 -e s/sh.*/sh/) 45 46HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 47 sed -e 's/\(cygwin\).*/cygwin/') 48 49export HOSTARCH HOSTOS 50 51# Deal with colliding definitions from tcsh etc. 52VENDOR= 53 54######################################################################### 55# Allow for silent builds 56ifeq (,$(findstring s,$(MAKEFLAGS))) 57XECHO = echo 58else 59XECHO = : 60endif 61 62######################################################################### 63# 64# U-boot build supports producing a object files to the separate external 65# directory. Two use cases are supported: 66# 67# 1) Add O= to the make command line 68# 'make O=/tmp/build all' 69# 70# 2) Set environement variable BUILD_DIR to point to the desired location 71# 'export BUILD_DIR=/tmp/build' 72# 'make' 73# 74# The second approach can also be used with a MAKEALL script 75# 'export BUILD_DIR=/tmp/build' 76# './MAKEALL' 77# 78# Command line 'O=' setting overrides BUILD_DIR environent variable. 79# 80# When none of the above methods is used the local build is performed and 81# the object files are placed in the source directory. 82# 83 84ifdef O 85ifeq ("$(origin O)", "command line") 86BUILD_DIR := $(O) 87endif 88endif 89 90# Call a source code checker (by default, "sparse") as part of the 91# C compilation. 92# 93# Use 'make C=1' to enable checking of re-compiled files. 94# 95# See the linux kernel file "Documentation/sparse.txt" for more details, 96# including where to get the "sparse" utility. 97 98ifdef C 99ifeq ("$(origin C)", "command line") 100CHECKSRC := $(C) 101endif 102endif 103ifndef CHECKSRC 104 CHECKSRC = 0 105endif 106export CHECKSRC 107 108ifneq ($(BUILD_DIR),) 109saved-output := $(BUILD_DIR) 110 111# Attempt to create a output directory. 112$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}) 113 114# Verify if it was successful. 115BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) 116$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) 117endif # ifneq ($(BUILD_DIR),) 118 119OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) 120SPLTREE := $(OBJTREE)/spl 121SRCTREE := $(CURDIR) 122TOPDIR := $(SRCTREE) 123LNDIR := $(OBJTREE) 124export TOPDIR SRCTREE OBJTREE SPLTREE 125 126MKCONFIG := $(SRCTREE)/mkconfig 127export MKCONFIG 128 129ifneq ($(OBJTREE),$(SRCTREE)) 130REMOTE_BUILD := 1 131export REMOTE_BUILD 132endif 133 134# $(obj) and (src) are defined in config.mk but here in main Makefile 135# we also need them before config.mk is included which is the case for 136# some targets like unconfig, clean, clobber, distclean, etc. 137ifneq ($(OBJTREE),$(SRCTREE)) 138obj := $(OBJTREE)/ 139src := $(SRCTREE)/ 140else 141obj := 142src := 143endif 144export obj src 145 146# Make sure CDPATH settings don't interfere 147unexport CDPATH 148 149######################################################################### 150 151# The "tools" are needed early, so put this first 152# Don't include stuff already done in $(LIBS) 153# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 154# is "yes"), so compile examples after U-Boot is compiled. 155SUBDIR_TOOLS = tools 156SUBDIR_EXAMPLES = examples/standalone examples/api 157SUBDIRS = $(SUBDIR_TOOLS) 158 159.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 160 161ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk)) 162 163# Include autoconf.mk before config.mk so that the config options are available 164# to all top level build files. We need the dummy all: target to prevent the 165# dependency target in autoconf.mk.dep from being the default. 166all: 167sinclude $(obj)include/autoconf.mk.dep 168sinclude $(obj)include/autoconf.mk 169 170ifndef CONFIG_SANDBOX 171SUBDIRS += $(SUBDIR_EXAMPLES) 172endif 173 174# load ARCH, BOARD, and CPU configuration 175include $(obj)include/config.mk 176export ARCH CPU BOARD VENDOR SOC 177 178# set default to nothing for native builds 179ifeq ($(HOSTARCH),$(ARCH)) 180CROSS_COMPILE ?= 181endif 182 183# load other configuration 184include $(TOPDIR)/config.mk 185 186# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 187# that (or fail if absent). Otherwise, search for a linker script in a 188# standard location. 189 190LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 191 192ifndef LDSCRIPT 193 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 194 ifdef CONFIG_SYS_LDSCRIPT 195 # need to strip off double quotes 196 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT)) 197 endif 198endif 199 200# If there is no specified link script, we look in a number of places for it 201ifndef LDSCRIPT 202 ifeq ($(CONFIG_NAND_U_BOOT),y) 203 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 204 ifeq ($(wildcard $(LDSCRIPT)),) 205 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 206 endif 207 endif 208 ifeq ($(wildcard $(LDSCRIPT)),) 209 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 210 endif 211 ifeq ($(wildcard $(LDSCRIPT)),) 212 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 213 endif 214 ifeq ($(wildcard $(LDSCRIPT)),) 215 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 216 # We don't expect a Makefile here 217 LDSCRIPT_MAKEFILE_DIR = 218 endif 219 ifeq ($(wildcard $(LDSCRIPT)),) 220$(error could not find linker script) 221 endif 222endif 223 224######################################################################### 225# U-Boot objects....order is important (i.e. start must be first) 226 227OBJS = $(CPUDIR)/start.o 228ifeq ($(CPU),ppc4xx) 229OBJS += $(CPUDIR)/resetvec.o 230endif 231ifeq ($(CPU),mpc85xx) 232OBJS += $(CPUDIR)/resetvec.o 233endif 234 235OBJS := $(addprefix $(obj),$(OBJS)) 236 237HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 238 239LIBS-y += lib/libgeneric.o 240LIBS-y += lib/lzma/liblzma.o 241LIBS-y += lib/lzo/liblzo.o 242LIBS-y += lib/zlib/libz.o 243LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o 244LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o 245LIBS-y += $(CPUDIR)/lib$(CPU).o 246ifdef SOC 247LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o 248endif 249ifeq ($(CPU),ixp) 250LIBS-y += drivers/net/npe/libnpe.o 251endif 252LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o 253LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o 254LIBS-y += fs/libfs.o \ 255 fs/cbfs/libcbfs.o \ 256 fs/cramfs/libcramfs.o \ 257 fs/ext4/libext4fs.o \ 258 fs/fat/libfat.o \ 259 fs/fdos/libfdos.o \ 260 fs/jffs2/libjffs2.o \ 261 fs/reiserfs/libreiserfs.o \ 262 fs/sandbox/libsandboxfs.o \ 263 fs/ubifs/libubifs.o \ 264 fs/yaffs2/libyaffs2.o \ 265 fs/zfs/libzfs.o 266LIBS-y += net/libnet.o 267LIBS-y += disk/libdisk.o 268LIBS-y += drivers/bios_emulator/libatibiosemu.o 269LIBS-y += drivers/block/libblock.o 270LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o 271LIBS-y += drivers/crypto/libcrypto.o 272LIBS-y += drivers/dma/libdma.o 273LIBS-y += drivers/fpga/libfpga.o 274LIBS-y += drivers/gpio/libgpio.o 275LIBS-y += drivers/hwmon/libhwmon.o 276LIBS-y += drivers/i2c/libi2c.o 277LIBS-y += drivers/input/libinput.o 278LIBS-y += drivers/misc/libmisc.o 279LIBS-y += drivers/mmc/libmmc.o 280LIBS-y += drivers/mtd/libmtd.o 281LIBS-y += drivers/mtd/nand/libnand.o 282LIBS-y += drivers/mtd/onenand/libonenand.o 283LIBS-y += drivers/mtd/ubi/libubi.o 284LIBS-y += drivers/mtd/spi/libspi_flash.o 285LIBS-y += drivers/net/libnet.o 286LIBS-y += drivers/net/phy/libphy.o 287LIBS-y += drivers/pci/libpci.o 288LIBS-y += drivers/pcmcia/libpcmcia.o 289LIBS-y += drivers/power/libpower.o \ 290 drivers/power/fuel_gauge/libfuel_gauge.o \ 291 drivers/power/pmic/libpmic.o \ 292 drivers/power/battery/libbattery.o 293LIBS-y += drivers/spi/libspi.o 294LIBS-y += drivers/dfu/libdfu.o 295ifeq ($(CPU),mpc83xx) 296LIBS-y += drivers/qe/libqe.o 297LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 298LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 299endif 300ifeq ($(CPU),mpc85xx) 301LIBS-y += drivers/qe/libqe.o 302LIBS-y += drivers/net/fm/libfm.o 303LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 304LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 305endif 306ifeq ($(CPU),mpc86xx) 307LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 308LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 309endif 310LIBS-y += drivers/rtc/librtc.o 311LIBS-y += drivers/serial/libserial.o 312LIBS-y += drivers/sound/libsound.o 313LIBS-y += drivers/tpm/libtpm.o 314LIBS-y += drivers/twserial/libtws.o 315LIBS-y += drivers/usb/eth/libusb_eth.o 316LIBS-y += drivers/usb/gadget/libusb_gadget.o 317LIBS-y += drivers/usb/host/libusb_host.o 318LIBS-y += drivers/usb/musb/libusb_musb.o 319LIBS-y += drivers/usb/musb-new/libusb_musb-new.o 320LIBS-y += drivers/usb/phy/libusb_phy.o 321LIBS-y += drivers/usb/ulpi/libusb_ulpi.o 322LIBS-y += drivers/video/libvideo.o 323LIBS-y += drivers/watchdog/libwatchdog.o 324LIBS-y += common/libcommon.o 325LIBS-y += lib/libfdt/libfdt.o 326LIBS-y += api/libapi.o 327LIBS-y += post/libpost.o 328LIBS-y += test/libtest.o 329 330ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),) 331LIBS-y += $(CPUDIR)/omap-common/libomap-common.o 332endif 333 334ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35)) 335LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o 336endif 337 338ifeq ($(SOC),s5pc1xx) 339LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o 340endif 341ifeq ($(SOC),exynos) 342LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o 343endif 344ifneq ($(CONFIG_TEGRA),) 345LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o 346LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o 347LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o 348endif 349 350LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 351.PHONY : $(LIBS) 352 353LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o 354LIBBOARD := $(addprefix $(obj),$(LIBBOARD)) 355 356# Add GCC lib 357ifdef USE_PRIVATE_LIBGCC 358ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 359PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 360else 361PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 362endif 363else 364PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 365endif 366PLATFORM_LIBS += $(PLATFORM_LIBGCC) 367export PLATFORM_LIBS 368 369# Special flags for CPP when processing the linker script. 370# Pass the version down so we can handle backwards compatibility 371# on the fly. 372LDPPFLAGS += \ 373 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 374 -DCPUDIR=$(CPUDIR) \ 375 $(shell $(LD) --version | \ 376 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 377 378__OBJS := $(subst $(obj),,$(OBJS)) 379__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD)) 380 381######################################################################### 382######################################################################### 383 384ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 385BOARD_SIZE_CHECK = \ 386 @actual=`wc -c $@ | awk '{print $$1}'`; \ 387 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 388 if test $$actual -gt $$limit; then \ 389 echo "$@ exceeds file size limit:" >&2 ; \ 390 echo " limit: $$limit bytes" >&2 ; \ 391 echo " actual: $$actual bytes" >&2 ; \ 392 echo " excess: $$((actual - limit)) bytes" >&2; \ 393 exit 1; \ 394 fi 395else 396BOARD_SIZE_CHECK = 397endif 398 399# Always append ALL so that arch config.mk's can add custom ones 400ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 401 402ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 403ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 404ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 405ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 406ifneq ($(CONFIG_SPL_TARGET),) 407ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) 408endif 409 410# enable combined SPL/u-boot/dtb rules for tegra 411ifneq ($(CONFIG_TEGRA),) 412ifeq ($(CONFIG_OF_SEPARATE),y) 413ALL-y += $(obj)u-boot-dtb-tegra.bin 414else 415ALL-y += $(obj)u-boot-nodtb-tegra.bin 416endif 417endif 418 419all: $(ALL-y) $(SUBDIR_EXAMPLES) 420 421$(obj)u-boot.dtb: $(obj)u-boot 422 $(MAKE) -C dts binary 423 mv $(obj)dts/dt.dtb $@ 424 425$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 426 cat $^ >$@ 427 428$(obj)u-boot.hex: $(obj)u-boot 429 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 430 431$(obj)u-boot.srec: $(obj)u-boot 432 $(OBJCOPY) -O srec $< $@ 433 434$(obj)u-boot.bin: $(obj)u-boot 435 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 436 $(BOARD_SIZE_CHECK) 437 438$(obj)u-boot.ldr: $(obj)u-boot 439 $(CREATE_LDR_ENV) 440 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 441 $(BOARD_SIZE_CHECK) 442 443$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 444 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 445 446$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 447 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 448 449# 450# U-Boot entry point, needed for booting of full-blown U-Boot 451# from the SPL U-Boot version. 452# 453ifndef CONFIG_SYS_UBOOT_START 454CONFIG_SYS_UBOOT_START := 0 455endif 456 457$(obj)u-boot.img: $(obj)u-boot.bin 458 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 459 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 460 -e $(CONFIG_SYS_UBOOT_START) \ 461 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 462 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 463 -d $< $@ 464 465$(obj)u-boot.imx: $(obj)u-boot.bin depend 466 $(MAKE) -C $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 467 468$(obj)u-boot.kwb: $(obj)u-boot.bin 469 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 470 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 471 472$(obj)u-boot.pbl: $(obj)u-boot.bin 473 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 474 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 475 -d $< $@ 476 477$(obj)u-boot.sha1: $(obj)u-boot.bin 478 $(obj)tools/ubsha1 $(obj)u-boot.bin 479 480$(obj)u-boot.dis: $(obj)u-boot 481 $(OBJDUMP) -d $< > $@ 482 483 484 485$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 486 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SPL_PAD_TO) \ 487 -I binary -O binary $< $(obj)spl/u-boot-spl-pad.bin 488 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 489 rm $(obj)spl/u-boot-spl-pad.bin 490 491$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 492 $(MAKE) -C $(SRCTREE)/arch/arm/imx-common \ 493 $(OBJTREE)/u-boot-with-spl.imx 494 495$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 496 $(MAKE) -C $(SRCTREE)/arch/arm/imx-common \ 497 $(OBJTREE)/u-boot-with-nand-spl.imx 498 499$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 500 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 501 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 502 503$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 504 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 505 -T aisimage \ 506 -e $(CONFIG_SPL_TEXT_BASE) \ 507 -d $(obj)spl/u-boot-spl.bin \ 508 $(obj)spl/u-boot-spl.ais 509 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 510 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 511 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 512 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 513 $(obj)u-boot.ais 514 515# Specify the target for use in elftosb call 516ELFTOSB_TARGET-$(CONFIG_MX23) = imx23 517ELFTOSB_TARGET-$(CONFIG_MX28) = imx28 518 519$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 520 elftosb -zf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \ 521 -o $(obj)u-boot.sb 522 523# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 524# Both images are created using mkimage (crc etc), so that the ROM 525# bootloader can check its integrity. Padding needs to be done to the 526# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 527# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 528# The resulting image containing both U-Boot images is called u-boot.spr 529$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 530 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 531 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 532 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 533 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 534 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 535 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 536 conv=notrunc 2>/dev/null 537 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 538 539ifneq ($(CONFIG_TEGRA),) 540ifeq ($(CONFIG_OF_SEPARATE),y) 541nodtb=dtb 542dtbfile=$(obj)u-boot.dtb 543else 544nodtb=nodtb 545dtbfile= 546endif 547 548$(obj)u-boot-$(nodtb)-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(dtbfile) 549 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 550 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(dtbfile) > $@ 551 rm $(obj)spl/u-boot-spl-pad.bin 552endif 553 554$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 555 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 556 557# PPC4xx needs the SPL at the end of the image, since the reset vector 558# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 559# and need to introduce a new build target with the full blown U-Boot 560# at the start padded up to the start of the SPL image. And then concat 561# the SPL image to the end. 562$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 563 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ 564 of=$(obj)u-boot-pad.img 2>/dev/null 565 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ 566 conv=notrunc 2>/dev/null 567 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ 568 569ifeq ($(CONFIG_SANDBOX),y) 570GEN_UBOOT = \ 571 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 572 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 573 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 574else 575GEN_UBOOT = \ 576 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 577 $(__OBJS) \ 578 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 579 -Map u-boot.map -o u-boot 580endif 581 582$(obj)u-boot: depend \ 583 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 584 $(GEN_UBOOT) 585ifeq ($(CONFIG_KALLSYMS),y) 586 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 587 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 588 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 589 -c common/system_map.c -o $(obj)common/system_map.o 590 $(GEN_UBOOT) $(obj)common/system_map.o 591endif 592 593$(OBJS): depend 594 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)) 595 596$(LIBS): depend $(SUBDIR_TOOLS) 597 $(MAKE) -C $(dir $(subst $(obj),,$@)) 598 599$(LIBBOARD): depend $(LIBS) 600 $(MAKE) -C $(dir $(subst $(obj),,$@)) 601 602$(SUBDIRS): depend 603 $(MAKE) -C $@ all 604 605$(SUBDIR_EXAMPLES): $(obj)u-boot 606 607$(LDSCRIPT): depend 608 $(MAKE) -C $(dir $@) $(notdir $@) 609 610$(obj)u-boot.lds: $(LDSCRIPT) 611 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 612 613nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 614 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 615 616$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 617 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 618 619$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 620 $(MAKE) -C spl all 621 622updater: 623 $(MAKE) -C tools/updater all 624 625# Explicitly make _depend in subdirs containing multiple targets to prevent 626# parallel sub-makes creating .depend files simultaneously. 627depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 628 $(obj)include/autoconf.mk \ 629 $(obj)include/generated/generic-asm-offsets.h \ 630 $(obj)include/generated/asm-offsets.h 631 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \ 632 $(MAKE) -C $$dir _depend ; done 633 634TAG_SUBDIRS = $(SUBDIRS) 635TAG_SUBDIRS += $(dir $(__LIBS)) 636TAG_SUBDIRS += include 637 638FIND := find 639FINDFLAGS := -L 640 641checkstack: 642 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 643 `$(FIND) $(obj) -name u-boot-spl -print` | \ 644 perl $(src)tools/checkstack.pl $(ARCH) 645 646tags ctags: 647 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 648 -name '*.[chS]' -print` 649 650etags: 651 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 652 -name '*.[chS]' -print` 653cscope: 654 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 655 cscope.files 656 cscope -b -q -k 657 658SYSTEM_MAP = \ 659 $(NM) $1 | \ 660 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 661 LC_ALL=C sort 662$(obj)System.map: $(obj)u-boot 663 @$(call SYSTEM_MAP,$<) > $(obj)System.map 664 665checkthumb: 666 @if test $(call cc-version) -lt 0404; then \ 667 echo -n '*** Your GCC does not produce working '; \ 668 echo 'binaries in THUMB mode.'; \ 669 echo '*** Your board is configured for THUMB mode.'; \ 670 false; \ 671 fi 672 673# GCC 3.x is reported to have problems generating the type of relocation 674# that U-Boot wants. 675# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 676checkgcc4: 677 @if test $(call cc-version) -lt 0400; then \ 678 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 679 false; \ 680 fi 681 682# 683# Auto-generate the autoconf.mk file (which is included by all makefiles) 684# 685# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 686# the dep file is only include in this top level makefile to determine when 687# to regenerate the autoconf.mk file. 688$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 689 @$(XECHO) Generating $@ ; \ 690 set -e ; \ 691 : Generate the dependancies ; \ 692 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 693 -MQ $(obj)include/autoconf.mk include/common.h > $@ 694 695$(obj)include/autoconf.mk: $(obj)include/config.h 696 @$(XECHO) Generating $@ ; \ 697 set -e ; \ 698 : Extract the config macros ; \ 699 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 700 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 701 mv $@.tmp $@ 702 703$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 704 $(obj)lib/asm-offsets.s 705 @$(XECHO) Generating $@ 706 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 707 708$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 709 $(src)lib/asm-offsets.c 710 @mkdir -p $(obj)lib 711 $(CC) -DDO_DEPS_ONLY \ 712 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 713 -o $@ $(src)lib/asm-offsets.c -c -S 714 715$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 716 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 717 @$(XECHO) Generating $@ 718 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 719 720$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep 721 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 722 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 723 $(CC) -DDO_DEPS_ONLY \ 724 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 725 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 726 else \ 727 touch $@; \ 728 fi 729 730######################################################################### 731else # !config.mk 732all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 733$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 734$(filter-out tools,$(SUBDIRS)) \ 735updater depend dep tags ctags etags cscope $(obj)System.map: 736 @echo "System not configured - see README" >&2 737 @ exit 1 738 739tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 740 $(MAKE) -C $@ all 741endif # config.mk 742 743$(VERSION_FILE): 744 @mkdir -p $(dir $(VERSION_FILE)) 745 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 746 printf '#define PLAIN_VERSION "%s%s"\n' \ 747 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 748 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 749 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 750 ) > $@.tmp 751 @( printf '#define CC_VERSION_STRING "%s"\n' \ 752 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 753 @( printf '#define LD_VERSION_STRING "%s"\n' \ 754 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 755 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 756 757$(TIMESTAMP_FILE): 758 @mkdir -p $(dir $(TIMESTAMP_FILE)) 759 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 760 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 761 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 762 763easylogo env gdb: 764 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 765gdbtools: gdb 766 767xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 768 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 769 770tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 771 $(MAKE) -C tools HOST_TOOLS_ALL=y 772 773.PHONY : CHANGELOG 774CHANGELOG: 775 git log --no-merges U-Boot-1_1_5.. | \ 776 unexpand -a | sed -e 's/\s\s*$$//' > $@ 777 778include/license.h: tools/bin2header COPYING 779 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 780######################################################################### 781 782unconfig: 783 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 784 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 785 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep 786 787%_config:: unconfig 788 @$(MKCONFIG) -A $(@:_config=) 789 790sinclude $(obj).boards.depend 791$(obj).boards.depend: boards.cfg 792 @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@ 793 794# 795# Functions to generate common board directory names 796# 797lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') 798ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') 799 800######################################################################### 801######################################################################### 802 803clean: 804 @rm -f $(obj)examples/standalone/82559_eeprom \ 805 $(obj)examples/standalone/atmel_df_pow2 \ 806 $(obj)examples/standalone/eepro100_eeprom \ 807 $(obj)examples/standalone/hello_world \ 808 $(obj)examples/standalone/interrupt \ 809 $(obj)examples/standalone/mem_to_mem_idma2intr \ 810 $(obj)examples/standalone/sched \ 811 $(obj)examples/standalone/smc911{11,x}_eeprom \ 812 $(obj)examples/standalone/test_burst \ 813 $(obj)examples/standalone/timer 814 @rm -f $(obj)examples/api/demo{,.bin} 815 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 816 $(obj)tools/env/{fw_printenv,fw_setenv} \ 817 $(obj)tools/envcrc \ 818 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 819 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 820 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 821 $(obj)tools/mk{smdk5250,}spl \ 822 $(obj)tools/mxsboot \ 823 $(obj)tools/ncb $(obj)tools/ubsha1 \ 824 $(obj)tools/kernel-doc/docproc 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.spr 865 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 866 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 867 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 868 @rm -f $(obj)spl/u-boot-spl.lds 869 @rm -f $(obj)MLO MLO.byteswap 870 @rm -f $(obj)SPL 871 @rm -f $(obj)tools/xway-swap-bytes 872 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 873 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 874 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 875 @rm -fr $(obj)include/generated 876 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 877 @rm -f $(obj)dts/*.tmp 878 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 879 880mrproper \ 881distclean: clobber unconfig 882ifneq ($(OBJTREE),$(SRCTREE)) 883 rm -rf $(obj)* 884endif 885 886backup: 887 F=`basename $(TOPDIR)` ; cd .. ; \ 888 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 889 890######################################################################### 891