1# 2# (C) Copyright 2000-2013 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8VERSION = 2013 9PATCHLEVEL = 10 10SUBLEVEL = 11EXTRAVERSION = 12ifneq "$(SUBLEVEL)" "" 13U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 14else 15U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION) 16endif 17TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h 18VERSION_FILE = $(obj)include/generated/version_autogenerated.h 19 20HOSTARCH := $(shell uname -m | \ 21 sed -e s/i.86/x86/ \ 22 -e s/sun4u/sparc64/ \ 23 -e s/arm.*/arm/ \ 24 -e s/sa110/arm/ \ 25 -e s/ppc64/powerpc/ \ 26 -e s/ppc/powerpc/ \ 27 -e s/macppc/powerpc/\ 28 -e s/sh.*/sh/) 29 30HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 31 sed -e 's/\(cygwin\).*/cygwin/') 32 33export HOSTARCH HOSTOS 34 35# Deal with colliding definitions from tcsh etc. 36VENDOR= 37 38######################################################################### 39# Allow for silent builds 40ifeq (,$(findstring s,$(MAKEFLAGS))) 41XECHO = echo 42else 43XECHO = : 44endif 45 46######################################################################### 47# 48# U-boot build supports generating object files in a separate external 49# directory. Two use cases are supported: 50# 51# 1) Add O= to the make command line 52# 'make O=/tmp/build all' 53# 54# 2) Set environment variable BUILD_DIR to point to the desired location 55# 'export BUILD_DIR=/tmp/build' 56# 'make' 57# 58# The second approach can also be used with a MAKEALL script 59# 'export BUILD_DIR=/tmp/build' 60# './MAKEALL' 61# 62# Command line 'O=' setting overrides BUILD_DIR environment variable. 63# 64# When none of the above methods is used the local build is performed and 65# the object files are placed in the source directory. 66# 67 68ifdef O 69ifeq ("$(origin O)", "command line") 70BUILD_DIR := $(O) 71endif 72endif 73 74# Call a source code checker (by default, "sparse") as part of the 75# C compilation. 76# 77# Use 'make C=1' to enable checking of re-compiled files. 78# 79# See the linux kernel file "Documentation/sparse.txt" for more details, 80# including where to get the "sparse" utility. 81 82ifdef C 83ifeq ("$(origin C)", "command line") 84CHECKSRC := $(C) 85endif 86endif 87ifndef CHECKSRC 88 CHECKSRC = 0 89endif 90export CHECKSRC 91 92ifneq ($(BUILD_DIR),) 93saved-output := $(BUILD_DIR) 94 95# Attempt to create a output directory. 96$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}) 97 98# Verify if it was successful. 99BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) 100$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) 101endif # ifneq ($(BUILD_DIR),) 102 103OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) 104SPLTREE := $(OBJTREE)/spl 105TPLTREE := $(OBJTREE)/tpl 106SRCTREE := $(CURDIR) 107TOPDIR := $(SRCTREE) 108LNDIR := $(OBJTREE) 109export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 110 111MKCONFIG := $(SRCTREE)/mkconfig 112export MKCONFIG 113 114ifneq ($(OBJTREE),$(SRCTREE)) 115REMOTE_BUILD := 1 116export REMOTE_BUILD 117endif 118 119# $(obj) and (src) are defined in config.mk but here in main Makefile 120# we also need them before config.mk is included which is the case for 121# some targets like unconfig, clean, clobber, distclean, etc. 122ifneq ($(OBJTREE),$(SRCTREE)) 123obj := $(OBJTREE)/ 124src := $(SRCTREE)/ 125else 126obj := 127src := 128endif 129export obj src 130 131# Make sure CDPATH settings don't interfere 132unexport CDPATH 133 134######################################################################### 135 136# The "tools" are needed early, so put this first 137# Don't include stuff already done in $(LIBS) 138# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 139# is "yes"), so compile examples after U-Boot is compiled. 140SUBDIR_TOOLS = tools 141SUBDIR_EXAMPLES = examples/standalone examples/api 142SUBDIRS = $(SUBDIR_TOOLS) 143 144.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 145 146ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk)) 147 148# Include autoconf.mk before config.mk so that the config options are available 149# to all top level build files. We need the dummy all: target to prevent the 150# dependency target in autoconf.mk.dep from being the default. 151all: 152sinclude $(obj)include/autoconf.mk.dep 153sinclude $(obj)include/autoconf.mk 154 155ifndef CONFIG_SANDBOX 156SUBDIRS += $(SUBDIR_EXAMPLES) 157endif 158 159# load ARCH, BOARD, and CPU configuration 160include $(obj)include/config.mk 161export ARCH CPU BOARD VENDOR SOC 162 163# set default to nothing for native builds 164ifeq ($(HOSTARCH),$(ARCH)) 165CROSS_COMPILE ?= 166endif 167 168# load other configuration 169include $(TOPDIR)/config.mk 170 171# Targets which don't build the source code 172NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig 173 174# Only do the generic board check when actually building, not configuring 175ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),) 176ifeq ($(findstring _config,$(MAKECMDGOALS)),) 177$(CHECK_GENERIC_BOARD) 178endif 179endif 180 181# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 182# that (or fail if absent). Otherwise, search for a linker script in a 183# standard location. 184 185LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 186 187ifndef LDSCRIPT 188 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 189 ifdef CONFIG_SYS_LDSCRIPT 190 # need to strip off double quotes 191 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT)) 192 endif 193endif 194 195# If there is no specified link script, we look in a number of places for it 196ifndef LDSCRIPT 197 ifeq ($(CONFIG_NAND_U_BOOT),y) 198 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 199 ifeq ($(wildcard $(LDSCRIPT)),) 200 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 201 endif 202 endif 203 ifeq ($(wildcard $(LDSCRIPT)),) 204 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 205 endif 206 ifeq ($(wildcard $(LDSCRIPT)),) 207 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 208 endif 209 ifeq ($(wildcard $(LDSCRIPT)),) 210 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 211 # We don't expect a Makefile here 212 LDSCRIPT_MAKEFILE_DIR = 213 endif 214 ifeq ($(wildcard $(LDSCRIPT)),) 215$(error could not find linker script) 216 endif 217endif 218 219######################################################################### 220# U-Boot objects....order is important (i.e. start must be first) 221 222OBJS = $(CPUDIR)/start.o 223ifeq ($(CPU),ppc4xx) 224OBJS += $(CPUDIR)/resetvec.o 225endif 226ifeq ($(CPU),mpc85xx) 227OBJS += $(CPUDIR)/resetvec.o 228endif 229 230OBJS := $(addprefix $(obj),$(OBJS)) 231 232HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 233 234LIBS-y += lib/libgeneric.o 235LIBS-y += lib/rsa/librsa.o 236LIBS-y += lib/lzma/liblzma.o 237LIBS-y += lib/lzo/liblzo.o 238LIBS-y += lib/zlib/libz.o 239LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o 240LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o 241LIBS-y += $(CPUDIR)/lib$(CPU).o 242ifdef SOC 243LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o 244endif 245ifeq ($(CPU),ixp) 246LIBS-y += drivers/net/npe/libnpe.o 247endif 248LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o 249LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o 250LIBS-y += fs/libfs.o \ 251 fs/fat/libfat.o 252LIBS-y += net/libnet.o 253LIBS-y += disk/libdisk.o 254LIBS-y += drivers/libdrivers.o 255LIBS-y += drivers/dma/libdma.o 256LIBS-y += drivers/gpio/libgpio.o 257LIBS-y += drivers/i2c/libi2c.o 258LIBS-y += drivers/input/libinput.o 259LIBS-y += drivers/mmc/libmmc.o 260LIBS-y += drivers/mtd/libmtd.o 261LIBS-y += drivers/mtd/nand/libnand.o 262LIBS-y += drivers/mtd/onenand/libonenand.o 263LIBS-y += drivers/mtd/ubi/libubi.o 264LIBS-y += drivers/mtd/spi/libspi_flash.o 265LIBS-y += drivers/net/libnet.o 266LIBS-y += drivers/net/phy/libphy.o 267LIBS-y += drivers/pci/libpci.o 268LIBS-y += drivers/power/libpower.o \ 269 drivers/power/fuel_gauge/libfuel_gauge.o \ 270 drivers/power/mfd/libmfd.o \ 271 drivers/power/pmic/libpmic.o \ 272 drivers/power/battery/libbattery.o 273LIBS-y += drivers/spi/libspi.o 274ifeq ($(CPU),mpc83xx) 275LIBS-y += drivers/qe/libqe.o 276LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 277LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 278endif 279ifeq ($(CPU),mpc85xx) 280LIBS-y += drivers/qe/libqe.o 281LIBS-y += drivers/net/fm/libfm.o 282LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 283LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 284endif 285ifeq ($(CPU),mpc86xx) 286LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 287LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 288endif 289LIBS-y += drivers/serial/libserial.o 290LIBS-y += drivers/usb/eth/libusb_eth.o 291LIBS-y += drivers/usb/gadget/libusb_gadget.o 292LIBS-y += drivers/usb/host/libusb_host.o 293LIBS-y += drivers/usb/musb/libusb_musb.o 294LIBS-y += drivers/usb/musb-new/libusb_musb-new.o 295LIBS-y += drivers/usb/phy/libusb_phy.o 296LIBS-y += drivers/usb/ulpi/libusb_ulpi.o 297LIBS-y += common/libcommon.o 298LIBS-y += lib/libfdt/libfdt.o 299LIBS-y += api/libapi.o 300LIBS-y += post/libpost.o 301LIBS-y += test/libtest.o 302 303ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 304LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o 305endif 306 307LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o 308 309LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 310.PHONY : $(LIBS) 311 312LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o 313LIBBOARD := $(addprefix $(obj),$(LIBBOARD)) 314 315# Add GCC lib 316ifdef USE_PRIVATE_LIBGCC 317ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 318PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 319else 320PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 321endif 322else 323PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 324endif 325PLATFORM_LIBS += $(PLATFORM_LIBGCC) 326export PLATFORM_LIBS 327 328# Special flags for CPP when processing the linker script. 329# Pass the version down so we can handle backwards compatibility 330# on the fly. 331LDPPFLAGS += \ 332 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 333 -DCPUDIR=$(CPUDIR) \ 334 $(shell $(LD) --version | \ 335 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 336 337__OBJS := $(subst $(obj),,$(OBJS)) 338__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD)) 339 340######################################################################### 341######################################################################### 342 343ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 344BOARD_SIZE_CHECK = \ 345 @actual=`wc -c $@ | awk '{print $$1}'`; \ 346 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 347 if test $$actual -gt $$limit; then \ 348 echo "$@ exceeds file size limit:" >&2 ; \ 349 echo " limit: $$limit bytes" >&2 ; \ 350 echo " actual: $$actual bytes" >&2 ; \ 351 echo " excess: $$((actual - limit)) bytes" >&2; \ 352 exit 1; \ 353 fi 354else 355BOARD_SIZE_CHECK = 356endif 357 358# Always append ALL so that arch config.mk's can add custom ones 359ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 360 361ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 362ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 363ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 364ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 365ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 366ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 367ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 368ifneq ($(CONFIG_SPL_TARGET),) 369ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) 370endif 371 372# enable combined SPL/u-boot/dtb rules for tegra 373ifneq ($(CONFIG_TEGRA),) 374ifeq ($(CONFIG_OF_SEPARATE),y) 375ALL-y += $(obj)u-boot-dtb-tegra.bin 376else 377ALL-y += $(obj)u-boot-nodtb-tegra.bin 378endif 379endif 380 381build := -f $(TOPDIR)/scripts/Makefile.build -C 382 383all: $(ALL-y) $(SUBDIR_EXAMPLES) 384 385$(obj)u-boot.dtb: checkdtc $(obj)u-boot 386 $(MAKE) -C dts binary 387 mv $(obj)dts/dt.dtb $@ 388 389$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 390 cat $^ >$@ 391 392$(obj)u-boot.hex: $(obj)u-boot 393 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 394 395$(obj)u-boot.srec: $(obj)u-boot 396 $(OBJCOPY) -O srec $< $@ 397 398$(obj)u-boot.bin: $(obj)u-boot 399 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 400 $(BOARD_SIZE_CHECK) 401 402$(obj)u-boot.ldr: $(obj)u-boot 403 $(CREATE_LDR_ENV) 404 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 405 $(BOARD_SIZE_CHECK) 406 407$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 408 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 409 410$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 411 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 412 413# 414# U-Boot entry point, needed for booting of full-blown U-Boot 415# from the SPL U-Boot version. 416# 417ifndef CONFIG_SYS_UBOOT_START 418CONFIG_SYS_UBOOT_START := 0 419endif 420 421$(obj)u-boot.img: $(obj)u-boot.bin 422 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 423 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 424 -e $(CONFIG_SYS_UBOOT_START) \ 425 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 426 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 427 -d $< $@ 428 429$(obj)u-boot.imx: $(obj)u-boot.bin depend 430 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 431 432$(obj)u-boot.kwb: $(obj)u-boot.bin 433 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 434 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 435 436$(obj)u-boot.pbl: $(obj)u-boot.bin 437 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 438 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 439 -d $< $@ 440 441$(obj)u-boot.sha1: $(obj)u-boot.bin 442 $(obj)tools/ubsha1 $(obj)u-boot.bin 443 444$(obj)u-boot.dis: $(obj)u-boot 445 $(OBJDUMP) -d $< > $@ 446 447# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 448# $(4) is pad-to 449SPL_PAD_APPEND = \ 450 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 451 $(1) $(obj)$(3); \ 452 cat $(obj)$(3) $(2) > $@; \ 453 rm $(obj)$(3) 454 455ifdef CONFIG_TPL 456SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 457else 458SPL_PAYLOAD := $(obj)u-boot.bin 459endif 460 461$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 462 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 463 464$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 465 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 466 467$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 468 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 469 $(OBJTREE)/u-boot-with-spl.imx 470 471$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 472 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 473 $(OBJTREE)/u-boot-with-nand-spl.imx 474 475$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 476 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 477 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 478 479$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 480 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 481 -T aisimage \ 482 -e $(CONFIG_SPL_TEXT_BASE) \ 483 -d $(obj)spl/u-boot-spl.bin \ 484 $(obj)spl/u-boot-spl.ais 485 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 486 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 487 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 488 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 489 $(obj)u-boot.ais 490 491 492$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 493 $(MAKE) -C $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 494 495# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 496# Both images are created using mkimage (crc etc), so that the ROM 497# bootloader can check its integrity. Padding needs to be done to the 498# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 499# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 500# The resulting image containing both U-Boot images is called u-boot.spr 501$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 502 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 503 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 504 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 505 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 506 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 507 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 508 conv=notrunc 2>/dev/null 509 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 510 511ifneq ($(CONFIG_TEGRA),) 512$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 513 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 514 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 515 rm $(obj)spl/u-boot-spl-pad.bin 516 517ifeq ($(CONFIG_OF_SEPARATE),y) 518$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 519 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 520endif 521endif 522 523$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 524 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 525 526# PPC4xx needs the SPL at the end of the image, since the reset vector 527# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 528# and need to introduce a new build target with the full blown U-Boot 529# at the start padded up to the start of the SPL image. And then concat 530# the SPL image to the end. 531$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 532 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ 533 of=$(obj)u-boot-pad.img 2>/dev/null 534 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ 535 conv=notrunc 2>/dev/null 536 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ 537 538ifeq ($(CONFIG_SANDBOX),y) 539GEN_UBOOT = \ 540 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 541 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 542 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 543else 544GEN_UBOOT = \ 545 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 546 $(__OBJS) \ 547 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 548 -Map u-boot.map -o u-boot 549endif 550 551$(obj)u-boot: depend \ 552 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 553 $(GEN_UBOOT) 554ifeq ($(CONFIG_KALLSYMS),y) 555 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 556 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 557 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 558 -c common/system_map.c -o $(obj)common/system_map.o 559 $(GEN_UBOOT) $(obj)common/system_map.o 560endif 561 562# Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles 563# U-Boot conventional sub makefiles always include some other makefiles. 564# So, the build system searches a line beginning with "include" before entering into the sub makefile 565# in order to distinguish which style it is. 566# If the Makefile include a "include" line, we assume it is an U-Boot style makefile. 567# Otherwise, it is treated as a Kbuild-style makefile. 568select_makefile = \ 569 +if grep -q "^include" $1/Makefile; then \ 570 $(MAKE) -C $1; \ 571 else \ 572 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build; \ 573 mv $(dir $@)built-in.o $@; \ 574 fi 575 576# We do not need to build $(OBJS) explicitly. 577# It is built while we are at $(CPUDIR)/lib$(CPU).o build. 578$(OBJS): depend 579 if grep -q "^include" $(CPUDIR)/Makefile; then \ 580 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)); \ 581 fi 582 583$(LIBS): depend $(SUBDIR_TOOLS) 584 +$(call select_makefile, $(dir $(subst $(obj),,$@))) 585 586$(LIBBOARD): depend $(LIBS) 587 +$(call select_makefile, $(dir $(subst $(obj),,$@))) 588 589$(SUBDIRS): depend 590 $(MAKE) -C $@ all 591 592$(SUBDIR_EXAMPLES): $(obj)u-boot 593 594$(LDSCRIPT): depend 595 $(MAKE) -C $(dir $@) $(notdir $@) 596 597$(obj)u-boot.lds: $(LDSCRIPT) 598 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 599 600nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 601 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 602 603$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 604 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 605 606$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 607 $(MAKE) -C spl all 608 609$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 610 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 611 612updater: 613 $(MAKE) -C tools/updater all 614 615select_makefile2 = \ 616 if grep -q "^include" $1/Makefile; then \ 617 $(MAKE) -C $1 _depend; \ 618 else \ 619 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build _depend; \ 620 fi 621 622# Explicitly make _depend in subdirs containing multiple targets to prevent 623# parallel sub-makes creating .depend files simultaneously. 624depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 625 $(obj)include/spl-autoconf.mk \ 626 $(obj)include/tpl-autoconf.mk \ 627 $(obj)include/autoconf.mk \ 628 $(obj)include/generated/generic-asm-offsets.h \ 629 $(obj)include/generated/asm-offsets.h 630 +for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \ 631 $(call select_makefile2, $$dir); \ 632 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 682checkdtc: 683 @if test $(call dtc-version) -lt 0104; then \ 684 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 685 false; \ 686 fi 687 688# 689# Auto-generate the autoconf.mk file (which is included by all makefiles) 690# 691# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 692# the dep file is only include in this top level makefile to determine when 693# to regenerate the autoconf.mk file. 694$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 695 @$(XECHO) Generating $@ ; \ 696 set -e ; \ 697 : Generate the dependancies ; \ 698 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 699 -MQ $(obj)include/autoconf.mk include/common.h > $@ 700 701$(obj)include/autoconf.mk: $(obj)include/config.h 702 @$(XECHO) Generating $@ ; \ 703 set -e ; \ 704 : Extract the config macros ; \ 705 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 706 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 707 mv $@.tmp $@ 708 709# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 710$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 711 @$(XECHO) Generating $@ ; \ 712 set -e ; \ 713 : Extract the config macros ; \ 714 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 715 -DDO_DEPS_ONLY -dM include/common.h | \ 716 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 717 mv $@.tmp $@ 718 719$(obj)include/spl-autoconf.mk: $(obj)include/config.h 720 @$(XECHO) Generating $@ ; \ 721 set -e ; \ 722 : Extract the config macros ; \ 723 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \ 724 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 725 mv $@.tmp $@ 726 727$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 728 $(obj)include/spl-autoconf.mk \ 729 $(obj)include/tpl-autoconf.mk \ 730 $(obj)lib/asm-offsets.s 731 @$(XECHO) Generating $@ 732 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 733 734$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 735 $(obj)include/spl-autoconf.mk \ 736 $(obj)include/tpl-autoconf.mk \ 737 $(src)lib/asm-offsets.c 738 @mkdir -p $(obj)lib 739 $(CC) -DDO_DEPS_ONLY \ 740 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 741 -o $@ $(src)lib/asm-offsets.c -c -S 742 743$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 744 $(obj)include/spl-autoconf.mk \ 745 $(obj)include/tpl-autoconf.mk \ 746 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 747 @$(XECHO) Generating $@ 748 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 749 750$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 751 $(obj)include/spl-autoconf.mk \ 752 $(obj)include/tpl-autoconf.mk 753 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 754 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 755 $(CC) -DDO_DEPS_ONLY \ 756 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 757 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 758 else \ 759 touch $@; \ 760 fi 761 762######################################################################### 763else # !config.mk 764all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 765$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 766$(filter-out tools,$(SUBDIRS)) \ 767updater depend dep tags ctags etags cscope $(obj)System.map: 768 @echo "System not configured - see README" >&2 769 @ exit 1 770 771tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 772 $(MAKE) -C $@ all 773endif # config.mk 774 775# ARM relocations should all be R_ARM_RELATIVE. 776checkarmreloc: $(obj)u-boot 777 @if test "R_ARM_RELATIVE" != \ 778 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \ 779 then echo "$< contains relocations other than \ 780 R_ARM_RELATIVE"; false; fi 781 782$(VERSION_FILE): 783 @mkdir -p $(dir $(VERSION_FILE)) 784 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 785 printf '#define PLAIN_VERSION "%s%s"\n' \ 786 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 787 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 788 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 789 ) > $@.tmp 790 @( printf '#define CC_VERSION_STRING "%s"\n' \ 791 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 792 @( printf '#define LD_VERSION_STRING "%s"\n' \ 793 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 794 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 795 796$(TIMESTAMP_FILE): 797 @mkdir -p $(dir $(TIMESTAMP_FILE)) 798 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 799 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 800 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 801 802easylogo env gdb: 803 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 804gdbtools: gdb 805 806xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 807 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 808 809tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 810 $(MAKE) -C tools HOST_TOOLS_ALL=y 811 812.PHONY : CHANGELOG 813CHANGELOG: 814 git log --no-merges U-Boot-1_1_5.. | \ 815 unexpand -a | sed -e 's/\s\s*$$//' > $@ 816 817include/license.h: tools/bin2header COPYING 818 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 819######################################################################### 820 821unconfig: 822 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 823 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 824 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 825 $(obj)include/spl-autoconf.mk \ 826 $(obj)include/tpl-autoconf.mk 827 828%_config:: unconfig 829 @$(MKCONFIG) -A $(@:_config=) 830 831sinclude $(obj).boards.depend 832$(obj).boards.depend: boards.cfg 833 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 834 835# 836# Functions to generate common board directory names 837# 838lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') 839ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') 840 841######################################################################### 842######################################################################### 843 844clean: 845 @rm -f $(obj)examples/standalone/82559_eeprom \ 846 $(obj)examples/standalone/atmel_df_pow2 \ 847 $(obj)examples/standalone/eepro100_eeprom \ 848 $(obj)examples/standalone/hello_world \ 849 $(obj)examples/standalone/interrupt \ 850 $(obj)examples/standalone/mem_to_mem_idma2intr \ 851 $(obj)examples/standalone/sched \ 852 $(obj)examples/standalone/smc911{11,x}_eeprom \ 853 $(obj)examples/standalone/test_burst \ 854 $(obj)examples/standalone/timer 855 @rm -f $(obj)examples/api/demo{,.bin} 856 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 857 $(obj)tools/env/{fw_printenv,fw_setenv} \ 858 $(obj)tools/envcrc \ 859 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 860 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 861 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 862 $(obj)tools/mk{$(BOARD),}spl \ 863 $(obj)tools/mxsboot \ 864 $(obj)tools/ncb $(obj)tools/ubsha1 \ 865 $(obj)tools/kernel-doc/docproc \ 866 $(obj)tools/proftool 867 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 868 $(obj)board/matrix_vision/*/bootscript.img \ 869 $(obj)board/voiceblue/eeprom \ 870 $(obj)u-boot.lds \ 871 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ 872 $(obj)arch/blackfin/cpu/init.{lds,elf} 873 @rm -f $(obj)include/bmp_logo.h 874 @rm -f $(obj)include/bmp_logo_data.h 875 @rm -f $(obj)lib/asm-offsets.s 876 @rm -f $(obj)include/generated/asm-offsets.h 877 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 878 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 879 @$(MAKE) -s -C doc/DocBook/ cleandocs 880 @find $(OBJTREE) -type f \ 881 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 882 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 883 -o -name '*.cfgtmp' \) -print \ 884 | xargs rm -f 885 886# Removes everything not needed for testing u-boot 887tidy: clean 888 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 889 890clobber: tidy 891 @find $(OBJTREE) -type f \( -name '*.srec' \ 892 -o -name '*.bin' -o -name u-boot.img \) \ 893 -print0 | xargs -0 rm -f 894 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 895 $(obj)cscope.* $(obj)*.*~ 896 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 897 @rm -f $(obj)u-boot.kwb 898 @rm -f $(obj)u-boot.pbl 899 @rm -f $(obj)u-boot.imx 900 @rm -f $(obj)u-boot-with-spl.imx 901 @rm -f $(obj)u-boot-with-nand-spl.imx 902 @rm -f $(obj)u-boot.ubl 903 @rm -f $(obj)u-boot.ais 904 @rm -f $(obj)u-boot.dtb 905 @rm -f $(obj)u-boot.sb 906 @rm -f $(obj)u-boot.bd 907 @rm -f $(obj)u-boot.spr 908 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 909 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 910 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 911 @rm -f $(obj)spl/u-boot-spl.lds 912 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 913 @rm -f $(obj)tpl/u-boot-spl.lds 914 @rm -f $(obj)MLO MLO.byteswap 915 @rm -f $(obj)SPL 916 @rm -f $(obj)tools/xway-swap-bytes 917 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 918 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 919 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 920 @rm -fr $(obj)include/generated 921 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 922 @rm -f $(obj)dts/*.tmp 923 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 924 925mrproper \ 926distclean: clobber unconfig 927ifneq ($(OBJTREE),$(SRCTREE)) 928 rm -rf $(obj)* 929endif 930 931backup: 932 F=`basename $(TOPDIR)` ; cd .. ; \ 933 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 934 935######################################################################### 936