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 = -rc2 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 ($(CPU),mpc86xx) 307LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 308LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 309endif 310LIBS-y += drivers/rtc/librtc.o 311LIBS-y += drivers/serial/libserial.o 312LIBS-y += drivers/sound/libsound.o 313LIBS-$(CONFIG_GENERIC_LPC_TPM) += 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 $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs)) 335LIBS-y += arch/$(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 557ifeq ($(CONFIG_SANDBOX),y) 558GEN_UBOOT = \ 559 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 560 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 561 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 562else 563GEN_UBOOT = \ 564 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 565 $(__OBJS) \ 566 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 567 -Map u-boot.map -o u-boot 568endif 569 570$(obj)u-boot: depend \ 571 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 572 $(GEN_UBOOT) 573ifeq ($(CONFIG_KALLSYMS),y) 574 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 575 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 576 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 577 -c common/system_map.c -o $(obj)common/system_map.o 578 $(GEN_UBOOT) $(obj)common/system_map.o 579endif 580 581$(OBJS): depend 582 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)) 583 584$(LIBS): depend $(SUBDIR_TOOLS) 585 $(MAKE) -C $(dir $(subst $(obj),,$@)) 586 587$(LIBBOARD): depend $(LIBS) 588 $(MAKE) -C $(dir $(subst $(obj),,$@)) 589 590$(SUBDIRS): depend 591 $(MAKE) -C $@ all 592 593$(SUBDIR_EXAMPLES): $(obj)u-boot 594 595$(LDSCRIPT): depend 596 $(MAKE) -C $(dir $@) $(notdir $@) 597 598$(obj)u-boot.lds: $(LDSCRIPT) 599 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 600 601nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 602 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 603 604$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 605 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 606 607$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 608 $(MAKE) -C spl all 609 610updater: 611 $(MAKE) -C tools/updater all 612 613# Explicitly make _depend in subdirs containing multiple targets to prevent 614# parallel sub-makes creating .depend files simultaneously. 615depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 616 $(obj)include/autoconf.mk \ 617 $(obj)include/generated/generic-asm-offsets.h \ 618 $(obj)include/generated/asm-offsets.h 619 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \ 620 $(MAKE) -C $$dir _depend ; done 621 622TAG_SUBDIRS = $(SUBDIRS) 623TAG_SUBDIRS += $(dir $(__LIBS)) 624TAG_SUBDIRS += include 625 626FIND := find 627FINDFLAGS := -L 628 629checkstack: 630 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 631 `$(FIND) $(obj) -name u-boot-spl -print` | \ 632 perl $(src)tools/checkstack.pl $(ARCH) 633 634tags ctags: 635 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 636 -name '*.[chS]' -print` 637 638etags: 639 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 640 -name '*.[chS]' -print` 641cscope: 642 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 643 cscope.files 644 cscope -b -q -k 645 646SYSTEM_MAP = \ 647 $(NM) $1 | \ 648 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 649 LC_ALL=C sort 650$(obj)System.map: $(obj)u-boot 651 @$(call SYSTEM_MAP,$<) > $(obj)System.map 652 653checkthumb: 654 @if test $(call cc-version) -lt 0404; then \ 655 echo -n '*** Your GCC does not produce working '; \ 656 echo 'binaries in THUMB mode.'; \ 657 echo '*** Your board is configured for THUMB mode.'; \ 658 false; \ 659 fi 660 661# GCC 3.x is reported to have problems generating the type of relocation 662# that U-Boot wants. 663# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 664checkgcc4: 665 @if test $(call cc-version) -lt 0400; then \ 666 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 667 false; \ 668 fi 669 670# 671# Auto-generate the autoconf.mk file (which is included by all makefiles) 672# 673# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 674# the dep file is only include in this top level makefile to determine when 675# to regenerate the autoconf.mk file. 676$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 677 @$(XECHO) Generating $@ ; \ 678 set -e ; \ 679 : Generate the dependancies ; \ 680 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 681 -MQ $(obj)include/autoconf.mk include/common.h > $@ 682 683$(obj)include/autoconf.mk: $(obj)include/config.h 684 @$(XECHO) Generating $@ ; \ 685 set -e ; \ 686 : Extract the config macros ; \ 687 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 688 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 689 mv $@.tmp $@ 690 691$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 692 $(obj)lib/asm-offsets.s 693 @$(XECHO) Generating $@ 694 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 695 696$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 697 $(src)lib/asm-offsets.c 698 @mkdir -p $(obj)lib 699 $(CC) -DDO_DEPS_ONLY \ 700 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 701 -o $@ $(src)lib/asm-offsets.c -c -S 702 703$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 704 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 705 @$(XECHO) Generating $@ 706 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 707 708$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep 709 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 710 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 711 $(CC) -DDO_DEPS_ONLY \ 712 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 713 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 714 else \ 715 touch $@; \ 716 fi 717 718######################################################################### 719else # !config.mk 720all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 721$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 722$(filter-out tools,$(SUBDIRS)) \ 723updater depend dep tags ctags etags cscope $(obj)System.map: 724 @echo "System not configured - see README" >&2 725 @ exit 1 726 727tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 728 $(MAKE) -C $@ all 729endif # config.mk 730 731$(VERSION_FILE): 732 @mkdir -p $(dir $(VERSION_FILE)) 733 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 734 printf '#define PLAIN_VERSION "%s%s"\n' \ 735 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 736 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 737 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 738 ) > $@.tmp 739 @( printf '#define CC_VERSION_STRING "%s"\n' \ 740 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 741 @( printf '#define LD_VERSION_STRING "%s"\n' \ 742 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 743 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 744 745$(TIMESTAMP_FILE): 746 @mkdir -p $(dir $(TIMESTAMP_FILE)) 747 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 748 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 749 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 750 751easylogo env gdb: 752 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 753gdbtools: gdb 754 755xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 756 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 757 758tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 759 $(MAKE) -C tools HOST_TOOLS_ALL=y 760 761.PHONY : CHANGELOG 762CHANGELOG: 763 git log --no-merges U-Boot-1_1_5.. | \ 764 unexpand -a | sed -e 's/\s\s*$$//' > $@ 765 766include/license.h: tools/bin2header COPYING 767 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 768######################################################################### 769 770unconfig: 771 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 772 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 773 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep 774 775%_config:: unconfig 776 @$(MKCONFIG) -A $(@:_config=) 777 778sinclude $(obj).boards.depend 779$(obj).boards.depend: boards.cfg 780 @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@ 781 782# 783# Functions to generate common board directory names 784# 785lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') 786ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') 787 788######################################################################### 789######################################################################### 790 791clean: 792 @rm -f $(obj)examples/standalone/82559_eeprom \ 793 $(obj)examples/standalone/atmel_df_pow2 \ 794 $(obj)examples/standalone/eepro100_eeprom \ 795 $(obj)examples/standalone/hello_world \ 796 $(obj)examples/standalone/interrupt \ 797 $(obj)examples/standalone/mem_to_mem_idma2intr \ 798 $(obj)examples/standalone/sched \ 799 $(obj)examples/standalone/smc911{11,x}_eeprom \ 800 $(obj)examples/standalone/test_burst \ 801 $(obj)examples/standalone/timer 802 @rm -f $(obj)examples/api/demo{,.bin} 803 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 804 $(obj)tools/env/{fw_printenv,fw_setenv} \ 805 $(obj)tools/envcrc \ 806 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 807 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 808 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 809 $(obj)tools/mk{smdk5250,}spl \ 810 $(obj)tools/mxsboot \ 811 $(obj)tools/ncb $(obj)tools/ubsha1 \ 812 $(obj)tools/kernel-doc/docproc 813 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 814 $(obj)board/matrix_vision/*/bootscript.img \ 815 $(obj)board/voiceblue/eeprom \ 816 $(obj)u-boot.lds \ 817 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ 818 $(obj)arch/blackfin/cpu/init.{lds,elf} 819 @rm -f $(obj)include/bmp_logo.h 820 @rm -f $(obj)include/bmp_logo_data.h 821 @rm -f $(obj)lib/asm-offsets.s 822 @rm -f $(obj)include/generated/asm-offsets.h 823 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 824 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 825 @$(MAKE) -s -C doc/DocBook/ cleandocs 826 @find $(OBJTREE) -type f \ 827 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 828 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 829 -o -name '*.cfgtmp' \) -print \ 830 | xargs rm -f 831 832# Removes everything not needed for testing u-boot 833tidy: clean 834 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 835 836clobber: tidy 837 @find $(OBJTREE) -type f \( -name '*.srec' \ 838 -o -name '*.bin' -o -name u-boot.img \) \ 839 -print0 | xargs -0 rm -f 840 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 841 $(obj)cscope.* $(obj)*.*~ 842 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 843 @rm -f $(obj)u-boot.kwb 844 @rm -f $(obj)u-boot.pbl 845 @rm -f $(obj)u-boot.imx 846 @rm -f $(obj)u-boot-with-spl.imx 847 @rm -f $(obj)u-boot-with-nand-spl.imx 848 @rm -f $(obj)u-boot.ubl 849 @rm -f $(obj)u-boot.ais 850 @rm -f $(obj)u-boot.dtb 851 @rm -f $(obj)u-boot.sb 852 @rm -f $(obj)u-boot.spr 853 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 854 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 855 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 856 @rm -f $(obj)spl/u-boot-spl.lds 857 @rm -f $(obj)MLO MLO.byteswap 858 @rm -f $(obj)SPL 859 @rm -f $(obj)tools/xway-swap-bytes 860 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 861 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 862 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 863 @rm -fr $(obj)include/generated 864 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 865 @rm -f $(obj)dts/*.tmp 866 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 867 868mrproper \ 869distclean: clobber unconfig 870ifneq ($(OBJTREE),$(SRCTREE)) 871 rm -rf $(obj)* 872endif 873 874backup: 875 F=`basename $(TOPDIR)` ; cd .. ; \ 876 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 877 878######################################################################### 879