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 = 01 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 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),x86) 234RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += $(CPUDIR)/start16.o 235RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += $(CPUDIR)/resetvec.o 236endif 237ifeq ($(CPU),ppc4xx) 238OBJS += $(CPUDIR)/resetvec.o 239endif 240ifeq ($(CPU),mpc85xx) 241OBJS += $(CPUDIR)/resetvec.o 242endif 243 244OBJS := $(addprefix $(obj),$(OBJS) $(RESET_OBJS-)) 245 246HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 247 248LIBS-y += lib/libgeneric.o 249LIBS-y += lib/lzma/liblzma.o 250LIBS-y += lib/lzo/liblzo.o 251LIBS-y += lib/zlib/libz.o 252LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o 253LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o 254LIBS-y += $(CPUDIR)/lib$(CPU).o 255ifdef SOC 256LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o 257endif 258ifeq ($(CPU),ixp) 259LIBS-y += drivers/net/npe/libnpe.o 260endif 261LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o 262LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o 263LIBS-y += fs/libfs.o \ 264 fs/cbfs/libcbfs.o \ 265 fs/cramfs/libcramfs.o \ 266 fs/ext4/libext4fs.o \ 267 fs/fat/libfat.o \ 268 fs/fdos/libfdos.o \ 269 fs/jffs2/libjffs2.o \ 270 fs/reiserfs/libreiserfs.o \ 271 fs/ubifs/libubifs.o \ 272 fs/yaffs2/libyaffs2.o \ 273 fs/zfs/libzfs.o 274LIBS-y += net/libnet.o 275LIBS-y += disk/libdisk.o 276LIBS-y += drivers/bios_emulator/libatibiosemu.o 277LIBS-y += drivers/block/libblock.o 278LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o 279LIBS-y += drivers/dma/libdma.o 280LIBS-y += drivers/fpga/libfpga.o 281LIBS-y += drivers/gpio/libgpio.o 282LIBS-y += drivers/hwmon/libhwmon.o 283LIBS-y += drivers/i2c/libi2c.o 284LIBS-y += drivers/input/libinput.o 285LIBS-y += drivers/misc/libmisc.o 286LIBS-y += drivers/mmc/libmmc.o 287LIBS-y += drivers/mtd/libmtd.o 288LIBS-y += drivers/mtd/nand/libnand.o 289LIBS-y += drivers/mtd/onenand/libonenand.o 290LIBS-y += drivers/mtd/ubi/libubi.o 291LIBS-y += drivers/mtd/spi/libspi_flash.o 292LIBS-y += drivers/net/libnet.o 293LIBS-y += drivers/net/phy/libphy.o 294LIBS-y += drivers/pci/libpci.o 295LIBS-y += drivers/pcmcia/libpcmcia.o 296LIBS-y += drivers/power/libpower.o \ 297 drivers/power/fuel_gauge/libfuel_gauge.o \ 298 drivers/power/pmic/libpmic.o \ 299 drivers/power/battery/libbattery.o 300LIBS-y += drivers/spi/libspi.o 301LIBS-y += drivers/dfu/libdfu.o 302ifeq ($(CPU),mpc83xx) 303LIBS-y += drivers/qe/libqe.o 304LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 305LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 306endif 307ifeq ($(CPU),mpc85xx) 308LIBS-y += drivers/qe/libqe.o 309LIBS-y += drivers/net/fm/libfm.o 310LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 311LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 312endif 313ifeq ($(CPU),mpc86xx) 314LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 315LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 316endif 317LIBS-y += drivers/rtc/librtc.o 318LIBS-y += drivers/serial/libserial.o 319LIBS-y += drivers/sound/libsound.o 320LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o 321LIBS-y += drivers/twserial/libtws.o 322LIBS-y += drivers/usb/eth/libusb_eth.o 323LIBS-y += drivers/usb/gadget/libusb_gadget.o 324LIBS-y += drivers/usb/host/libusb_host.o 325LIBS-y += drivers/usb/musb/libusb_musb.o 326LIBS-y += drivers/usb/musb-new/libusb_musb-new.o 327LIBS-y += drivers/usb/phy/libusb_phy.o 328LIBS-y += drivers/usb/ulpi/libusb_ulpi.o 329LIBS-y += drivers/video/libvideo.o 330LIBS-y += drivers/watchdog/libwatchdog.o 331LIBS-y += common/libcommon.o 332LIBS-y += lib/libfdt/libfdt.o 333LIBS-y += api/libapi.o 334LIBS-y += post/libpost.o 335LIBS-y += test/libtest.o 336 337ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),) 338LIBS-y += $(CPUDIR)/omap-common/libomap-common.o 339endif 340 341ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35)) 342LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o 343endif 344 345ifeq ($(SOC),s5pc1xx) 346LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o 347endif 348ifeq ($(SOC),exynos) 349LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o 350endif 351ifeq ($(SOC),tegra20) 352LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o 353LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o 354LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o 355endif 356 357LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 358.PHONY : $(LIBS) 359 360LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o 361LIBBOARD := $(addprefix $(obj),$(LIBBOARD)) 362 363# Add GCC lib 364ifdef USE_PRIVATE_LIBGCC 365ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 366PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 367else 368PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 369endif 370else 371PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 372endif 373PLATFORM_LIBS += $(PLATFORM_LIBGCC) 374export PLATFORM_LIBS 375 376# Special flags for CPP when processing the linker script. 377# Pass the version down so we can handle backwards compatibility 378# on the fly. 379LDPPFLAGS += \ 380 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 381 -DCPUDIR=$(CPUDIR) \ 382 $(shell $(LD) --version | \ 383 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 384 385__OBJS := $(subst $(obj),,$(OBJS)) 386__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD)) 387 388######################################################################### 389######################################################################### 390 391ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 392BOARD_SIZE_CHECK = \ 393 @actual=`wc -c $@ | awk '{print $$1}'`; \ 394 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 395 if test $$actual -gt $$limit; then \ 396 echo "$@ exceeds file size limit:" >&2 ; \ 397 echo " limit: $$limit bytes" >&2 ; \ 398 echo " actual: $$actual bytes" >&2 ; \ 399 echo " excess: $$((actual - limit)) bytes" >&2; \ 400 exit 1; \ 401 fi 402else 403BOARD_SIZE_CHECK = 404endif 405 406# Always append ALL so that arch config.mk's can add custom ones 407ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 408 409ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 410ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 411ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 412ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) 413ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 414 415# enable combined SPL/u-boot/dtb rules for tegra 416ifeq ($(SOC),tegra20) 417ifeq ($(CONFIG_OF_SEPARATE),y) 418ALL-y += $(obj)u-boot-dtb-tegra.bin 419else 420ALL-y += $(obj)u-boot-nodtb-tegra.bin 421endif 422endif 423 424all: $(ALL-y) $(SUBDIR_EXAMPLES) 425 426$(obj)u-boot.dtb: $(obj)u-boot 427 $(MAKE) -C dts binary 428 mv $(obj)dts/dt.dtb $@ 429 430$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 431 cat $^ >$@ 432 433$(obj)u-boot.hex: $(obj)u-boot 434 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 435 436$(obj)u-boot.srec: $(obj)u-boot 437 $(OBJCOPY) -O srec $< $@ 438 439$(obj)u-boot.bin: $(obj)u-boot 440 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 441 $(BOARD_SIZE_CHECK) 442 443$(obj)u-boot.ldr: $(obj)u-boot 444 $(CREATE_LDR_ENV) 445 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 446 $(BOARD_SIZE_CHECK) 447 448$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 449 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 450 451$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 452 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 453 454# 455# U-Boot entry point, needed for booting of full-blown U-Boot 456# from the SPL U-Boot version. 457# 458ifndef CONFIG_SYS_UBOOT_START 459CONFIG_SYS_UBOOT_START := 0 460endif 461 462$(obj)u-boot.img: $(obj)u-boot.bin 463 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 464 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 465 -e $(CONFIG_SYS_UBOOT_START) \ 466 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 467 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 468 -d $< $@ 469 470$(obj)u-boot.imx: $(obj)u-boot.bin 471 $(obj)tools/mkimage -n $(CONFIG_IMX_CONFIG) -T imximage \ 472 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 473 474$(obj)u-boot.kwb: $(obj)u-boot.bin 475 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 476 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 477 478$(obj)u-boot.pbl: $(obj)u-boot.bin 479 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 480 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 481 -d $< $@ 482 483$(obj)u-boot.sha1: $(obj)u-boot.bin 484 $(obj)tools/ubsha1 $(obj)u-boot.bin 485 486$(obj)u-boot.dis: $(obj)u-boot 487 $(OBJDUMP) -d $< > $@ 488 489$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 490 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 491 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 492 rm $(obj)spl/u-boot-spl-pad.bin 493 494$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 495 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 496 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 497 498$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 499 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 500 -T aisimage \ 501 -e $(CONFIG_SPL_TEXT_BASE) \ 502 -d $(obj)spl/u-boot-spl.bin \ 503 $(obj)spl/u-boot-spl.ais 504 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 505 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 506 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 507 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 508 $(obj)u-boot.ais 509 510# Specify the target for use in elftosb call 511ELFTOSB_TARGET-$(CONFIG_MX28) = imx28 512 513$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 514 elftosb -zf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \ 515 -o $(obj)u-boot.sb 516 517# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 518# Both images are created using mkimage (crc etc), so that the ROM 519# bootloader can check its integrity. Padding needs to be done to the 520# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 521# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 522# The resulting image containing both U-Boot images is called u-boot.spr 523$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 524 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 525 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 526 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 527 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 528 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 529 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 530 conv=notrunc 2>/dev/null 531 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 532 533ifeq ($(SOC),tegra20) 534ifeq ($(CONFIG_OF_SEPARATE),y) 535nodtb=dtb 536dtbfile=$(obj)u-boot.dtb 537else 538nodtb=nodtb 539dtbfile= 540endif 541 542$(obj)u-boot-$(nodtb)-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(dtbfile) 543 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 544 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(dtbfile) > $@ 545 rm $(obj)spl/u-boot-spl-pad.bin 546endif 547 548$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 549 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 550 551ifeq ($(CONFIG_SANDBOX),y) 552GEN_UBOOT = \ 553 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 554 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 555 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 556else 557GEN_UBOOT = \ 558 UNDEF_LST=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \ 559 sed -n -e 's/.*\($(SYM_PREFIX)_u_boot_list_.*\)/-u\1/p'|sort|uniq`;\ 560 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 561 $$UNDEF_LST $(__OBJS) \ 562 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 563 -Map u-boot.map -o u-boot 564endif 565 566$(obj)u-boot: depend \ 567 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 568 $(GEN_UBOOT) 569ifeq ($(CONFIG_KALLSYMS),y) 570 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 571 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 572 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 573 -c common/system_map.c -o $(obj)common/system_map.o 574 $(GEN_UBOOT) $(obj)common/system_map.o 575endif 576 577$(OBJS): depend 578 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)) 579 580$(LIBS): depend $(SUBDIR_TOOLS) 581 $(MAKE) -C $(dir $(subst $(obj),,$@)) 582 583$(LIBBOARD): depend $(LIBS) 584 $(MAKE) -C $(dir $(subst $(obj),,$@)) 585 586$(SUBDIRS): depend 587 $(MAKE) -C $@ all 588 589$(SUBDIR_EXAMPLES): $(obj)u-boot 590 591$(LDSCRIPT): depend 592 $(MAKE) -C $(dir $@) $(notdir $@) 593 594# The following line expands into whole rule which generates u-boot.lst, 595# the file containing u-boots LG-array linker section. This is included into 596# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file. 597$(eval $(call make_u_boot_list, $(obj)include/u-boot.lst, $(LIBBOARD) $(LIBS))) 598$(obj)u-boot.lds: $(LDSCRIPT) $(obj)include/u-boot.lst 599 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 600 601nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 602 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 603 604$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 605 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 606 607$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 608 $(MAKE) -C spl all 609 610updater: 611 $(MAKE) -C tools/updater all 612 613# Explicitly make _depend in subdirs containing multiple targets to prevent 614# parallel sub-makes creating .depend files simultaneously. 615depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 616 $(obj)include/autoconf.mk \ 617 $(obj)include/generated/generic-asm-offsets.h \ 618 $(obj)include/generated/asm-offsets.h 619 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \ 620 $(MAKE) -C $$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## ARM1176 Systems 790######################################################################### 791smdk6400_noUSB_config \ 792smdk6400_config : unconfig 793 @mkdir -p $(obj)include $(obj)board/samsung/smdk6400 794 @mkdir -p $(obj)nand_spl/board/samsung/smdk6400 795 @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h 796 @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk 797 @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then \ 798 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\ 799 else \ 800 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\ 801 fi 802 @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx 803 @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk 804 805######################################################################### 806######################################################################### 807 808clean: 809 @rm -f $(obj)examples/standalone/82559_eeprom \ 810 $(obj)examples/standalone/atmel_df_pow2 \ 811 $(obj)examples/standalone/eepro100_eeprom \ 812 $(obj)examples/standalone/hello_world \ 813 $(obj)examples/standalone/interrupt \ 814 $(obj)examples/standalone/mem_to_mem_idma2intr \ 815 $(obj)examples/standalone/sched \ 816 $(obj)examples/standalone/smc911{11,x}_eeprom \ 817 $(obj)examples/standalone/test_burst \ 818 $(obj)examples/standalone/timer 819 @rm -f $(obj)examples/api/demo{,.bin} 820 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 821 $(obj)tools/env/{fw_printenv,fw_setenv} \ 822 $(obj)tools/envcrc \ 823 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 824 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 825 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 826 $(obj)tools/mk{smdk5250,}spl \ 827 $(obj)tools/mxsboot \ 828 $(obj)tools/ncb $(obj)tools/ubsha1 \ 829 $(obj)tools/kernel-doc/docproc 830 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 831 $(obj)board/matrix_vision/*/bootscript.img \ 832 $(obj)board/voiceblue/eeprom \ 833 $(obj)u-boot.lds \ 834 $(obj)include/u-boot.lst \ 835 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ 836 $(obj)arch/blackfin/cpu/init.{lds,elf} 837 @rm -f $(obj)include/bmp_logo.h 838 @rm -f $(obj)include/bmp_logo_data.h 839 @rm -f $(obj)lib/asm-offsets.s 840 @rm -f $(obj)include/generated/asm-offsets.h 841 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 842 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 843 @$(MAKE) -s -C doc/DocBook/ cleandocs 844 @find $(OBJTREE) -type f \ 845 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 846 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \) -print \ 847 | xargs rm -f 848 849# Removes everything not needed for testing u-boot 850tidy: clean 851 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 852 853clobber: tidy 854 @find $(OBJTREE) -type f \( -name '*.srec' \ 855 -o -name '*.bin' -o -name u-boot.img \) \ 856 -print0 | xargs -0 rm -f 857 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 858 $(obj)cscope.* $(obj)*.*~ 859 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 860 @rm -f $(obj)u-boot.kwb 861 @rm -f $(obj)u-boot.pbl 862 @rm -f $(obj)u-boot.imx 863 @rm -f $(obj)u-boot.ubl 864 @rm -f $(obj)u-boot.ais 865 @rm -f $(obj)u-boot.dtb 866 @rm -f $(obj)u-boot.sb 867 @rm -f $(obj)u-boot.spr 868 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 869 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 870 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 871 @rm -f $(obj)spl/{u-boot-spl.lds,u-boot.lst} 872 @rm -f $(obj)MLO 873 @rm -f $(obj)SPL 874 @rm -f $(obj)tools/xway-swap-bytes 875 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 876 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 877 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 878 @rm -fr $(obj)include/generated 879 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 880 @rm -f $(obj)dts/*.tmp 881 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 882 883mrproper \ 884distclean: clobber unconfig 885ifneq ($(OBJTREE),$(SRCTREE)) 886 rm -rf $(obj)* 887endif 888 889backup: 890 F=`basename $(TOPDIR)` ; cd .. ; \ 891 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 892 893######################################################################### 894