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 = -rc1 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 49# Set shell to bash if possible, otherwise fall back to sh 50SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 51 else if [ -x /bin/bash ]; then echo /bin/bash; \ 52 else echo sh; fi; fi) 53 54export HOSTARCH HOSTOS SHELL 55 56# Deal with colliding definitions from tcsh etc. 57VENDOR= 58 59######################################################################### 60# Allow for silent builds 61ifeq (,$(findstring s,$(MAKEFLAGS))) 62XECHO = echo 63else 64XECHO = : 65endif 66 67######################################################################### 68# 69# U-boot build supports producing a object files to the separate external 70# directory. Two use cases are supported: 71# 72# 1) Add O= to the make command line 73# 'make O=/tmp/build all' 74# 75# 2) Set environement variable BUILD_DIR to point to the desired location 76# 'export BUILD_DIR=/tmp/build' 77# 'make' 78# 79# The second approach can also be used with a MAKEALL script 80# 'export BUILD_DIR=/tmp/build' 81# './MAKEALL' 82# 83# Command line 'O=' setting overrides BUILD_DIR environent variable. 84# 85# When none of the above methods is used the local build is performed and 86# the object files are placed in the source directory. 87# 88 89ifdef O 90ifeq ("$(origin O)", "command line") 91BUILD_DIR := $(O) 92endif 93endif 94 95# Call a source code checker (by default, "sparse") as part of the 96# C compilation. 97# 98# Use 'make C=1' to enable checking of re-compiled files. 99# 100# See the linux kernel file "Documentation/sparse.txt" for more details, 101# including where to get the "sparse" utility. 102 103ifdef C 104ifeq ("$(origin C)", "command line") 105CHECKSRC := $(C) 106endif 107endif 108ifndef CHECKSRC 109 CHECKSRC = 0 110endif 111export CHECKSRC 112 113ifneq ($(BUILD_DIR),) 114saved-output := $(BUILD_DIR) 115 116# Attempt to create a output directory. 117$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}) 118 119# Verify if it was successful. 120BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) 121$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) 122endif # ifneq ($(BUILD_DIR),) 123 124OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) 125SPLTREE := $(OBJTREE)/spl 126SRCTREE := $(CURDIR) 127TOPDIR := $(SRCTREE) 128LNDIR := $(OBJTREE) 129export TOPDIR SRCTREE OBJTREE SPLTREE 130 131MKCONFIG := $(SRCTREE)/mkconfig 132export MKCONFIG 133 134ifneq ($(OBJTREE),$(SRCTREE)) 135REMOTE_BUILD := 1 136export REMOTE_BUILD 137endif 138 139# $(obj) and (src) are defined in config.mk but here in main Makefile 140# we also need them before config.mk is included which is the case for 141# some targets like unconfig, clean, clobber, distclean, etc. 142ifneq ($(OBJTREE),$(SRCTREE)) 143obj := $(OBJTREE)/ 144src := $(SRCTREE)/ 145else 146obj := 147src := 148endif 149export obj src 150 151# Make sure CDPATH settings don't interfere 152unexport CDPATH 153 154######################################################################### 155 156# The "tools" are needed early, so put this first 157# Don't include stuff already done in $(LIBS) 158# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 159# is "yes"), so compile examples after U-Boot is compiled. 160SUBDIR_TOOLS = tools 161SUBDIR_EXAMPLES = examples/standalone examples/api 162SUBDIRS = $(SUBDIR_TOOLS) 163 164.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 165 166ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk)) 167 168# Include autoconf.mk before config.mk so that the config options are available 169# to all top level build files. We need the dummy all: target to prevent the 170# dependency target in autoconf.mk.dep from being the default. 171all: 172sinclude $(obj)include/autoconf.mk.dep 173sinclude $(obj)include/autoconf.mk 174 175ifndef CONFIG_SANDBOX 176SUBDIRS += $(SUBDIR_EXAMPLES) 177endif 178 179# load ARCH, BOARD, and CPU configuration 180include $(obj)include/config.mk 181export ARCH CPU BOARD VENDOR SOC 182 183# set default to nothing for native builds 184ifeq ($(HOSTARCH),$(ARCH)) 185CROSS_COMPILE ?= 186endif 187 188# load other configuration 189include $(TOPDIR)/config.mk 190 191# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 192# that (or fail if absent). Otherwise, search for a linker script in a 193# standard location. 194 195LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 196 197ifndef LDSCRIPT 198 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 199 ifdef CONFIG_SYS_LDSCRIPT 200 # need to strip off double quotes 201 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT)) 202 endif 203endif 204 205# If there is no specified link script, we look in a number of places for it 206ifndef LDSCRIPT 207 ifeq ($(CONFIG_NAND_U_BOOT),y) 208 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 209 ifeq ($(wildcard $(LDSCRIPT)),) 210 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 211 endif 212 endif 213 ifeq ($(wildcard $(LDSCRIPT)),) 214 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 215 endif 216 ifeq ($(wildcard $(LDSCRIPT)),) 217 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 218 endif 219 ifeq ($(wildcard $(LDSCRIPT)),) 220 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 221 # We don't expect a Makefile here 222 LDSCRIPT_MAKEFILE_DIR = 223 endif 224 ifeq ($(wildcard $(LDSCRIPT)),) 225$(error could not find linker script) 226 endif 227endif 228 229######################################################################### 230# U-Boot objects....order is important (i.e. start must be first) 231 232OBJS = $(CPUDIR)/start.o 233ifeq ($(CPU),ppc4xx) 234OBJS += $(CPUDIR)/resetvec.o 235endif 236ifeq ($(CPU),mpc85xx) 237OBJS += $(CPUDIR)/resetvec.o 238endif 239 240OBJS := $(addprefix $(obj),$(OBJS)) 241 242HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 243 244LIBS-y += lib/libgeneric.o 245LIBS-y += lib/lzma/liblzma.o 246LIBS-y += lib/lzo/liblzo.o 247LIBS-y += lib/zlib/libz.o 248LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o 249LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o 250LIBS-y += $(CPUDIR)/lib$(CPU).o 251ifdef SOC 252LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o 253endif 254ifeq ($(CPU),ixp) 255LIBS-y += drivers/net/npe/libnpe.o 256endif 257LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o 258LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o 259LIBS-y += fs/libfs.o \ 260 fs/cbfs/libcbfs.o \ 261 fs/cramfs/libcramfs.o \ 262 fs/ext4/libext4fs.o \ 263 fs/fat/libfat.o \ 264 fs/fdos/libfdos.o \ 265 fs/jffs2/libjffs2.o \ 266 fs/reiserfs/libreiserfs.o \ 267 fs/sandbox/libsandboxfs.o \ 268 fs/ubifs/libubifs.o \ 269 fs/yaffs2/libyaffs2.o \ 270 fs/zfs/libzfs.o 271LIBS-y += net/libnet.o 272LIBS-y += disk/libdisk.o 273LIBS-y += drivers/bios_emulator/libatibiosemu.o 274LIBS-y += drivers/block/libblock.o 275LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o 276LIBS-y += drivers/crypto/libcrypto.o 277LIBS-y += drivers/dma/libdma.o 278LIBS-y += drivers/fpga/libfpga.o 279LIBS-y += drivers/gpio/libgpio.o 280LIBS-y += drivers/hwmon/libhwmon.o 281LIBS-y += drivers/i2c/libi2c.o 282LIBS-y += drivers/input/libinput.o 283LIBS-y += drivers/misc/libmisc.o 284LIBS-y += drivers/mmc/libmmc.o 285LIBS-y += drivers/mtd/libmtd.o 286LIBS-y += drivers/mtd/nand/libnand.o 287LIBS-y += drivers/mtd/onenand/libonenand.o 288LIBS-y += drivers/mtd/ubi/libubi.o 289LIBS-y += drivers/mtd/spi/libspi_flash.o 290LIBS-y += drivers/net/libnet.o 291LIBS-y += drivers/net/phy/libphy.o 292LIBS-y += drivers/pci/libpci.o 293LIBS-y += drivers/pcmcia/libpcmcia.o 294LIBS-y += drivers/power/libpower.o \ 295 drivers/power/fuel_gauge/libfuel_gauge.o \ 296 drivers/power/pmic/libpmic.o \ 297 drivers/power/battery/libbattery.o 298LIBS-y += drivers/spi/libspi.o 299LIBS-y += drivers/dfu/libdfu.o 300ifeq ($(CPU),mpc83xx) 301LIBS-y += drivers/qe/libqe.o 302LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 303LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 304endif 305ifeq ($(CPU),mpc85xx) 306LIBS-y += drivers/qe/libqe.o 307LIBS-y += drivers/net/fm/libfm.o 308LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 309LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 310endif 311ifeq ($(CPU),mpc86xx) 312LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 313LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 314endif 315LIBS-y += drivers/rtc/librtc.o 316LIBS-y += drivers/serial/libserial.o 317LIBS-y += drivers/sound/libsound.o 318LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o 319LIBS-y += drivers/twserial/libtws.o 320LIBS-y += drivers/usb/eth/libusb_eth.o 321LIBS-y += drivers/usb/gadget/libusb_gadget.o 322LIBS-y += drivers/usb/host/libusb_host.o 323LIBS-y += drivers/usb/musb/libusb_musb.o 324LIBS-y += drivers/usb/musb-new/libusb_musb-new.o 325LIBS-y += drivers/usb/phy/libusb_phy.o 326LIBS-y += drivers/usb/ulpi/libusb_ulpi.o 327LIBS-y += drivers/video/libvideo.o 328LIBS-y += drivers/watchdog/libwatchdog.o 329LIBS-y += common/libcommon.o 330LIBS-y += lib/libfdt/libfdt.o 331LIBS-y += api/libapi.o 332LIBS-y += post/libpost.o 333LIBS-y += test/libtest.o 334 335ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),) 336LIBS-y += $(CPUDIR)/omap-common/libomap-common.o 337endif 338 339ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35)) 340LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o 341endif 342 343ifeq ($(SOC),s5pc1xx) 344LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o 345endif 346ifeq ($(SOC),exynos) 347LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o 348endif 349ifneq ($(CONFIG_TEGRA),) 350LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o 351LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o 352LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o 353endif 354 355LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 356.PHONY : $(LIBS) 357 358LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o 359LIBBOARD := $(addprefix $(obj),$(LIBBOARD)) 360 361# Add GCC lib 362ifdef USE_PRIVATE_LIBGCC 363ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 364PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 365else 366PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 367endif 368else 369PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 370endif 371PLATFORM_LIBS += $(PLATFORM_LIBGCC) 372export PLATFORM_LIBS 373 374# Special flags for CPP when processing the linker script. 375# Pass the version down so we can handle backwards compatibility 376# on the fly. 377LDPPFLAGS += \ 378 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 379 -DCPUDIR=$(CPUDIR) \ 380 $(shell $(LD) --version | \ 381 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 382 383__OBJS := $(subst $(obj),,$(OBJS)) 384__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD)) 385 386######################################################################### 387######################################################################### 388 389ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 390BOARD_SIZE_CHECK = \ 391 @actual=`wc -c $@ | awk '{print $$1}'`; \ 392 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 393 if test $$actual -gt $$limit; then \ 394 echo "$@ exceeds file size limit:" >&2 ; \ 395 echo " limit: $$limit bytes" >&2 ; \ 396 echo " actual: $$actual bytes" >&2 ; \ 397 echo " excess: $$((actual - limit)) bytes" >&2; \ 398 exit 1; \ 399 fi 400else 401BOARD_SIZE_CHECK = 402endif 403 404# Always append ALL so that arch config.mk's can add custom ones 405ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 406 407ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 408ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 409ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 410ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) 411ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 412 413# enable combined SPL/u-boot/dtb rules for tegra 414ifneq ($(CONFIG_TEGRA),) 415ifeq ($(CONFIG_OF_SEPARATE),y) 416ALL-y += $(obj)u-boot-dtb-tegra.bin 417else 418ALL-y += $(obj)u-boot-nodtb-tegra.bin 419endif 420endif 421 422all: $(ALL-y) $(SUBDIR_EXAMPLES) 423 424$(obj)u-boot.dtb: $(obj)u-boot 425 $(MAKE) -C dts binary 426 mv $(obj)dts/dt.dtb $@ 427 428$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 429 cat $^ >$@ 430 431$(obj)u-boot.hex: $(obj)u-boot 432 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 433 434$(obj)u-boot.srec: $(obj)u-boot 435 $(OBJCOPY) -O srec $< $@ 436 437$(obj)u-boot.bin: $(obj)u-boot 438 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 439 $(BOARD_SIZE_CHECK) 440 441$(obj)u-boot.ldr: $(obj)u-boot 442 $(CREATE_LDR_ENV) 443 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 444 $(BOARD_SIZE_CHECK) 445 446$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 447 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 448 449$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 450 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 451 452# 453# U-Boot entry point, needed for booting of full-blown U-Boot 454# from the SPL U-Boot version. 455# 456ifndef CONFIG_SYS_UBOOT_START 457CONFIG_SYS_UBOOT_START := 0 458endif 459 460$(obj)u-boot.img: $(obj)u-boot.bin 461 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 462 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 463 -e $(CONFIG_SYS_UBOOT_START) \ 464 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 465 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 466 -d $< $@ 467 468$(obj)u-boot.imx: $(obj)u-boot.bin depend 469 $(MAKE) -C $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 470 471$(obj)u-boot.kwb: $(obj)u-boot.bin 472 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 473 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 474 475$(obj)u-boot.pbl: $(obj)u-boot.bin 476 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 477 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 478 -d $< $@ 479 480$(obj)u-boot.sha1: $(obj)u-boot.bin 481 $(obj)tools/ubsha1 $(obj)u-boot.bin 482 483$(obj)u-boot.dis: $(obj)u-boot 484 $(OBJDUMP) -d $< > $@ 485 486 487 488$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 489 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(or $(CONFIG_SPL_PAD_TO),0) \ 490 -O binary $(obj)spl/u-boot-spl \ 491 $(obj)spl/u-boot-spl-pad.bin 492 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 493 rm $(obj)spl/u-boot-spl-pad.bin 494 495$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 496 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 497 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 498 499$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 500 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 501 -T aisimage \ 502 -e $(CONFIG_SPL_TEXT_BASE) \ 503 -d $(obj)spl/u-boot-spl.bin \ 504 $(obj)spl/u-boot-spl.ais 505 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 506 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 507 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 508 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 509 $(obj)u-boot.ais 510 511# Specify the target for use in elftosb call 512ELFTOSB_TARGET-$(CONFIG_MX23) = imx23 513ELFTOSB_TARGET-$(CONFIG_MX28) = imx28 514 515$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 516 elftosb -zf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \ 517 -o $(obj)u-boot.sb 518 519# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 520# Both images are created using mkimage (crc etc), so that the ROM 521# bootloader can check its integrity. Padding needs to be done to the 522# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 523# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 524# The resulting image containing both U-Boot images is called u-boot.spr 525$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 526 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 527 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 528 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 529 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 530 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 531 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 532 conv=notrunc 2>/dev/null 533 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 534 535ifneq ($(CONFIG_TEGRA),) 536ifeq ($(CONFIG_OF_SEPARATE),y) 537nodtb=dtb 538dtbfile=$(obj)u-boot.dtb 539else 540nodtb=nodtb 541dtbfile= 542endif 543 544$(obj)u-boot-$(nodtb)-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(dtbfile) 545 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 546 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(dtbfile) > $@ 547 rm $(obj)spl/u-boot-spl-pad.bin 548endif 549 550$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 551 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 552 553ifeq ($(CONFIG_SANDBOX),y) 554GEN_UBOOT = \ 555 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 556 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 557 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 558else 559GEN_UBOOT = \ 560 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 561 $(__OBJS) \ 562 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 563 -Map u-boot.map -o u-boot 564endif 565 566$(obj)u-boot: depend \ 567 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 568 $(GEN_UBOOT) 569ifeq ($(CONFIG_KALLSYMS),y) 570 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 571 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 572 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 573 -c common/system_map.c -o $(obj)common/system_map.o 574 $(GEN_UBOOT) $(obj)common/system_map.o 575endif 576 577$(OBJS): depend 578 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)) 579 580$(LIBS): depend $(SUBDIR_TOOLS) 581 $(MAKE) -C $(dir $(subst $(obj),,$@)) 582 583$(LIBBOARD): depend $(LIBS) 584 $(MAKE) -C $(dir $(subst $(obj),,$@)) 585 586$(SUBDIRS): depend 587 $(MAKE) -C $@ all 588 589$(SUBDIR_EXAMPLES): $(obj)u-boot 590 591$(LDSCRIPT): depend 592 $(MAKE) -C $(dir $@) $(notdir $@) 593 594$(obj)u-boot.lds: $(LDSCRIPT) 595 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 596 597nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 598 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 599 600$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 601 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 602 603$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 604 $(MAKE) -C spl all 605 606updater: 607 $(MAKE) -C tools/updater all 608 609# Explicitly make _depend in subdirs containing multiple targets to prevent 610# parallel sub-makes creating .depend files simultaneously. 611depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 612 $(obj)include/autoconf.mk \ 613 $(obj)include/generated/generic-asm-offsets.h \ 614 $(obj)include/generated/asm-offsets.h 615 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \ 616 $(MAKE) -C $$dir _depend ; done 617 618TAG_SUBDIRS = $(SUBDIRS) 619TAG_SUBDIRS += $(dir $(__LIBS)) 620TAG_SUBDIRS += include 621 622FIND := find 623FINDFLAGS := -L 624 625checkstack: 626 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 627 `$(FIND) $(obj) -name u-boot-spl -print` | \ 628 perl $(src)tools/checkstack.pl $(ARCH) 629 630tags ctags: 631 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 632 -name '*.[chS]' -print` 633 634etags: 635 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 636 -name '*.[chS]' -print` 637cscope: 638 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 639 cscope.files 640 cscope -b -q -k 641 642SYSTEM_MAP = \ 643 $(NM) $1 | \ 644 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 645 LC_ALL=C sort 646$(obj)System.map: $(obj)u-boot 647 @$(call SYSTEM_MAP,$<) > $(obj)System.map 648 649checkthumb: 650 @if test $(call cc-version) -lt 0404; then \ 651 echo -n '*** Your GCC does not produce working '; \ 652 echo 'binaries in THUMB mode.'; \ 653 echo '*** Your board is configured for THUMB mode.'; \ 654 false; \ 655 fi 656 657# GCC 3.x is reported to have problems generating the type of relocation 658# that U-Boot wants. 659# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 660checkgcc4: 661 @if test $(call cc-version) -lt 0400; then \ 662 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 663 false; \ 664 fi 665 666# 667# Auto-generate the autoconf.mk file (which is included by all makefiles) 668# 669# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 670# the dep file is only include in this top level makefile to determine when 671# to regenerate the autoconf.mk file. 672$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 673 @$(XECHO) Generating $@ ; \ 674 set -e ; \ 675 : Generate the dependancies ; \ 676 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 677 -MQ $(obj)include/autoconf.mk include/common.h > $@ 678 679$(obj)include/autoconf.mk: $(obj)include/config.h 680 @$(XECHO) Generating $@ ; \ 681 set -e ; \ 682 : Extract the config macros ; \ 683 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 684 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 685 mv $@.tmp $@ 686 687$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 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 $(src)lib/asm-offsets.c 694 @mkdir -p $(obj)lib 695 $(CC) -DDO_DEPS_ONLY \ 696 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 697 -o $@ $(src)lib/asm-offsets.c -c -S 698 699$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 700 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 701 @$(XECHO) Generating $@ 702 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 703 704$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep 705 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 706 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 707 $(CC) -DDO_DEPS_ONLY \ 708 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 709 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 710 else \ 711 touch $@; \ 712 fi 713 714######################################################################### 715else # !config.mk 716all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 717$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 718$(filter-out tools,$(SUBDIRS)) \ 719updater depend dep tags ctags etags cscope $(obj)System.map: 720 @echo "System not configured - see README" >&2 721 @ exit 1 722 723tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 724 $(MAKE) -C $@ all 725endif # config.mk 726 727$(VERSION_FILE): 728 @mkdir -p $(dir $(VERSION_FILE)) 729 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 730 printf '#define PLAIN_VERSION "%s%s"\n' \ 731 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 732 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 733 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 734 ) > $@.tmp 735 @( printf '#define CC_VERSION_STRING "%s"\n' \ 736 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 737 @( printf '#define LD_VERSION_STRING "%s"\n' \ 738 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 739 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 740 741$(TIMESTAMP_FILE): 742 @mkdir -p $(dir $(TIMESTAMP_FILE)) 743 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 744 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 745 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 746 747easylogo env gdb: 748 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 749gdbtools: gdb 750 751xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 752 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 753 754tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 755 $(MAKE) -C tools HOST_TOOLS_ALL=y 756 757.PHONY : CHANGELOG 758CHANGELOG: 759 git log --no-merges U-Boot-1_1_5.. | \ 760 unexpand -a | sed -e 's/\s\s*$$//' > $@ 761 762include/license.h: tools/bin2header COPYING 763 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 764######################################################################### 765 766unconfig: 767 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 768 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 769 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep 770 771%_config:: unconfig 772 @$(MKCONFIG) -A $(@:_config=) 773 774sinclude $(obj).boards.depend 775$(obj).boards.depend: boards.cfg 776 @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@ 777 778# 779# Functions to generate common board directory names 780# 781lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') 782ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') 783 784######################################################################### 785## ARM1176 Systems 786######################################################################### 787smdk6400_noUSB_config \ 788smdk6400_config : unconfig 789 @mkdir -p $(obj)include $(obj)board/samsung/smdk6400 790 @mkdir -p $(obj)nand_spl/board/samsung/smdk6400 791 @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h 792 @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk 793 @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then \ 794 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\ 795 else \ 796 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\ 797 fi 798 @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx 799 @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk 800 801######################################################################### 802######################################################################### 803 804clean: 805 @rm -f $(obj)examples/standalone/82559_eeprom \ 806 $(obj)examples/standalone/atmel_df_pow2 \ 807 $(obj)examples/standalone/eepro100_eeprom \ 808 $(obj)examples/standalone/hello_world \ 809 $(obj)examples/standalone/interrupt \ 810 $(obj)examples/standalone/mem_to_mem_idma2intr \ 811 $(obj)examples/standalone/sched \ 812 $(obj)examples/standalone/smc911{11,x}_eeprom \ 813 $(obj)examples/standalone/test_burst \ 814 $(obj)examples/standalone/timer 815 @rm -f $(obj)examples/api/demo{,.bin} 816 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 817 $(obj)tools/env/{fw_printenv,fw_setenv} \ 818 $(obj)tools/envcrc \ 819 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 820 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 821 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 822 $(obj)tools/mk{smdk5250,}spl \ 823 $(obj)tools/mxsboot \ 824 $(obj)tools/ncb $(obj)tools/ubsha1 \ 825 $(obj)tools/kernel-doc/docproc 826 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 827 $(obj)board/matrix_vision/*/bootscript.img \ 828 $(obj)board/voiceblue/eeprom \ 829 $(obj)u-boot.lds \ 830 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ 831 $(obj)arch/blackfin/cpu/init.{lds,elf} 832 @rm -f $(obj)include/bmp_logo.h 833 @rm -f $(obj)include/bmp_logo_data.h 834 @rm -f $(obj)lib/asm-offsets.s 835 @rm -f $(obj)include/generated/asm-offsets.h 836 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 837 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 838 @$(MAKE) -s -C doc/DocBook/ cleandocs 839 @find $(OBJTREE) -type f \ 840 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 841 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 842 -o -name '*.cfgtmp' \) -print \ 843 | xargs rm -f 844 845# Removes everything not needed for testing u-boot 846tidy: clean 847 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 848 849clobber: tidy 850 @find $(OBJTREE) -type f \( -name '*.srec' \ 851 -o -name '*.bin' -o -name u-boot.img \) \ 852 -print0 | xargs -0 rm -f 853 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 854 $(obj)cscope.* $(obj)*.*~ 855 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 856 @rm -f $(obj)u-boot.kwb 857 @rm -f $(obj)u-boot.pbl 858 @rm -f $(obj)u-boot.imx 859 @rm -f $(obj)u-boot.ubl 860 @rm -f $(obj)u-boot.ais 861 @rm -f $(obj)u-boot.dtb 862 @rm -f $(obj)u-boot.sb 863 @rm -f $(obj)u-boot.spr 864 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 865 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 866 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 867 @rm -f $(obj)spl/u-boot-spl.lds 868 @rm -f $(obj)MLO MLO.byteswap 869 @rm -f $(obj)SPL 870 @rm -f $(obj)tools/xway-swap-bytes 871 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 872 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 873 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 874 @rm -fr $(obj)include/generated 875 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 876 @rm -f $(obj)dts/*.tmp 877 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 878 879mrproper \ 880distclean: clobber unconfig 881ifneq ($(OBJTREE),$(SRCTREE)) 882 rm -rf $(obj)* 883endif 884 885backup: 886 F=`basename $(TOPDIR)` ; cd .. ; \ 887 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 888 889######################################################################### 890