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 307ifeq ($(SOC),s5pc1xx) 308LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o 309endif 310ifeq ($(SOC),exynos) 311LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o 312endif 313LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o 314 315LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 316.PHONY : $(LIBS) 317 318LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o 319LIBBOARD := $(addprefix $(obj),$(LIBBOARD)) 320 321# Add GCC lib 322ifdef USE_PRIVATE_LIBGCC 323ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 324PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 325else 326PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 327endif 328else 329PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 330endif 331PLATFORM_LIBS += $(PLATFORM_LIBGCC) 332export PLATFORM_LIBS 333 334# Special flags for CPP when processing the linker script. 335# Pass the version down so we can handle backwards compatibility 336# on the fly. 337LDPPFLAGS += \ 338 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 339 -DCPUDIR=$(CPUDIR) \ 340 $(shell $(LD) --version | \ 341 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 342 343__OBJS := $(subst $(obj),,$(OBJS)) 344__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD)) 345 346######################################################################### 347######################################################################### 348 349ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 350BOARD_SIZE_CHECK = \ 351 @actual=`wc -c $@ | awk '{print $$1}'`; \ 352 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 353 if test $$actual -gt $$limit; then \ 354 echo "$@ exceeds file size limit:" >&2 ; \ 355 echo " limit: $$limit bytes" >&2 ; \ 356 echo " actual: $$actual bytes" >&2 ; \ 357 echo " excess: $$((actual - limit)) bytes" >&2; \ 358 exit 1; \ 359 fi 360else 361BOARD_SIZE_CHECK = 362endif 363 364# Always append ALL so that arch config.mk's can add custom ones 365ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 366 367ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 368ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 369ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 370ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 371ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 372ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 373ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 374ifneq ($(CONFIG_SPL_TARGET),) 375ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) 376endif 377 378# enable combined SPL/u-boot/dtb rules for tegra 379ifneq ($(CONFIG_TEGRA),) 380ifeq ($(CONFIG_OF_SEPARATE),y) 381ALL-y += $(obj)u-boot-dtb-tegra.bin 382else 383ALL-y += $(obj)u-boot-nodtb-tegra.bin 384endif 385endif 386 387build := -f $(TOPDIR)/scripts/Makefile.build -C 388 389all: $(ALL-y) $(SUBDIR_EXAMPLES) 390 391$(obj)u-boot.dtb: checkdtc $(obj)u-boot 392 $(MAKE) -C dts binary 393 mv $(obj)dts/dt.dtb $@ 394 395$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 396 cat $^ >$@ 397 398$(obj)u-boot.hex: $(obj)u-boot 399 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 400 401$(obj)u-boot.srec: $(obj)u-boot 402 $(OBJCOPY) -O srec $< $@ 403 404$(obj)u-boot.bin: $(obj)u-boot 405 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 406 $(BOARD_SIZE_CHECK) 407 408$(obj)u-boot.ldr: $(obj)u-boot 409 $(CREATE_LDR_ENV) 410 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 411 $(BOARD_SIZE_CHECK) 412 413$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 414 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 415 416$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 417 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 418 419# 420# U-Boot entry point, needed for booting of full-blown U-Boot 421# from the SPL U-Boot version. 422# 423ifndef CONFIG_SYS_UBOOT_START 424CONFIG_SYS_UBOOT_START := 0 425endif 426 427$(obj)u-boot.img: $(obj)u-boot.bin 428 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 429 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 430 -e $(CONFIG_SYS_UBOOT_START) \ 431 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 432 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 433 -d $< $@ 434 435$(obj)u-boot.imx: $(obj)u-boot.bin depend 436 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 437 438$(obj)u-boot.kwb: $(obj)u-boot.bin 439 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 440 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 441 442$(obj)u-boot.pbl: $(obj)u-boot.bin 443 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \ 444 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \ 445 -d $< $@ 446 447$(obj)u-boot.sha1: $(obj)u-boot.bin 448 $(obj)tools/ubsha1 $(obj)u-boot.bin 449 450$(obj)u-boot.dis: $(obj)u-boot 451 $(OBJDUMP) -d $< > $@ 452 453# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 454# $(4) is pad-to 455SPL_PAD_APPEND = \ 456 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 457 $(1) $(obj)$(3); \ 458 cat $(obj)$(3) $(2) > $@; \ 459 rm $(obj)$(3) 460 461ifdef CONFIG_TPL 462SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 463else 464SPL_PAYLOAD := $(obj)u-boot.bin 465endif 466 467$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 468 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 469 470$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 471 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 472 473$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 474 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 475 $(OBJTREE)/u-boot-with-spl.imx 476 477$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 478 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 479 $(OBJTREE)/u-boot-with-nand-spl.imx 480 481$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 482 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 483 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 484 485$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 486 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 487 -T aisimage \ 488 -e $(CONFIG_SPL_TEXT_BASE) \ 489 -d $(obj)spl/u-boot-spl.bin \ 490 $(obj)spl/u-boot-spl.ais 491 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 492 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 493 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 494 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 495 $(obj)u-boot.ais 496 497 498$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 499 $(MAKE) -C $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 500 501# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 502# Both images are created using mkimage (crc etc), so that the ROM 503# bootloader can check its integrity. Padding needs to be done to the 504# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 505# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 506# The resulting image containing both U-Boot images is called u-boot.spr 507$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 508 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 509 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 510 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img 511 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ 512 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null 513 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ 514 conv=notrunc 2>/dev/null 515 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ 516 517ifneq ($(CONFIG_TEGRA),) 518$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 519 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 520 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 521 rm $(obj)spl/u-boot-spl-pad.bin 522 523ifeq ($(CONFIG_OF_SEPARATE),y) 524$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 525 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 526endif 527endif 528 529$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 530 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 531 532# PPC4xx needs the SPL at the end of the image, since the reset vector 533# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 534# and need to introduce a new build target with the full blown U-Boot 535# at the start padded up to the start of the SPL image. And then concat 536# the SPL image to the end. 537$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 538 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ 539 of=$(obj)u-boot-pad.img 2>/dev/null 540 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ 541 conv=notrunc 2>/dev/null 542 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ 543 544ifeq ($(CONFIG_SANDBOX),y) 545GEN_UBOOT = \ 546 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 547 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 548 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 549else 550GEN_UBOOT = \ 551 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 552 $(__OBJS) \ 553 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 554 -Map u-boot.map -o u-boot 555endif 556 557$(obj)u-boot: depend \ 558 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 559 $(GEN_UBOOT) 560ifeq ($(CONFIG_KALLSYMS),y) 561 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 562 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 563 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 564 -c common/system_map.c -o $(obj)common/system_map.o 565 $(GEN_UBOOT) $(obj)common/system_map.o 566endif 567 568# Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles 569# U-Boot conventional sub makefiles always include some other makefiles. 570# So, the build system searches a line beginning with "include" before entering into the sub makefile 571# in order to distinguish which style it is. 572# If the Makefile include a "include" line, we assume it is an U-Boot style makefile. 573# Otherwise, it is treated as a Kbuild-style makefile. 574select_makefile = \ 575 +if grep -q "^include" $1/Makefile; then \ 576 $(MAKE) -C $1; \ 577 else \ 578 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build; \ 579 mv $(dir $@)built-in.o $@; \ 580 fi 581 582# We do not need to build $(OBJS) explicitly. 583# It is built while we are at $(CPUDIR)/lib$(CPU).o build. 584$(OBJS): depend 585 if grep -q "^include" $(CPUDIR)/Makefile; then \ 586 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)); \ 587 fi 588 589$(LIBS): depend $(SUBDIR_TOOLS) 590 +$(call select_makefile, $(dir $(subst $(obj),,$@))) 591 592$(LIBBOARD): depend $(LIBS) 593 +$(call select_makefile, $(dir $(subst $(obj),,$@))) 594 595$(SUBDIRS): depend 596 $(MAKE) -C $@ all 597 598$(SUBDIR_EXAMPLES): $(obj)u-boot 599 600$(LDSCRIPT): depend 601 $(MAKE) -C $(dir $@) $(notdir $@) 602 603$(obj)u-boot.lds: $(LDSCRIPT) 604 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 605 606nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 607 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 608 609$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 610 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 611 612$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 613 $(MAKE) -C spl all 614 615$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 616 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 617 618updater: 619 $(MAKE) -C tools/updater all 620 621select_makefile2 = \ 622 if grep -q "^include" $1/Makefile; then \ 623 $(MAKE) -C $1 _depend; \ 624 else \ 625 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build _depend; \ 626 fi 627 628# Explicitly make _depend in subdirs containing multiple targets to prevent 629# parallel sub-makes creating .depend files simultaneously. 630depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 631 $(obj)include/spl-autoconf.mk \ 632 $(obj)include/tpl-autoconf.mk \ 633 $(obj)include/autoconf.mk \ 634 $(obj)include/generated/generic-asm-offsets.h \ 635 $(obj)include/generated/asm-offsets.h 636 +for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \ 637 $(call select_makefile2, $$dir); \ 638 done 639 640TAG_SUBDIRS = $(SUBDIRS) 641TAG_SUBDIRS += $(dir $(__LIBS)) 642TAG_SUBDIRS += include 643 644FIND := find 645FINDFLAGS := -L 646 647checkstack: 648 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 649 `$(FIND) $(obj) -name u-boot-spl -print` | \ 650 perl $(src)tools/checkstack.pl $(ARCH) 651 652tags ctags: 653 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 654 -name '*.[chS]' -print` 655 656etags: 657 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 658 -name '*.[chS]' -print` 659cscope: 660 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 661 cscope.files 662 cscope -b -q -k 663 664SYSTEM_MAP = \ 665 $(NM) $1 | \ 666 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 667 LC_ALL=C sort 668$(obj)System.map: $(obj)u-boot 669 @$(call SYSTEM_MAP,$<) > $(obj)System.map 670 671checkthumb: 672 @if test $(call cc-version) -lt 0404; then \ 673 echo -n '*** Your GCC does not produce working '; \ 674 echo 'binaries in THUMB mode.'; \ 675 echo '*** Your board is configured for THUMB mode.'; \ 676 false; \ 677 fi 678 679# GCC 3.x is reported to have problems generating the type of relocation 680# that U-Boot wants. 681# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 682checkgcc4: 683 @if test $(call cc-version) -lt 0400; then \ 684 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 685 false; \ 686 fi 687 688checkdtc: 689 @if test $(call dtc-version) -lt 0104; then \ 690 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 691 false; \ 692 fi 693 694# 695# Auto-generate the autoconf.mk file (which is included by all makefiles) 696# 697# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 698# the dep file is only include in this top level makefile to determine when 699# to regenerate the autoconf.mk file. 700$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 701 @$(XECHO) Generating $@ ; \ 702 set -e ; \ 703 : Generate the dependancies ; \ 704 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 705 -MQ $(obj)include/autoconf.mk include/common.h > $@ 706 707$(obj)include/autoconf.mk: $(obj)include/config.h 708 @$(XECHO) Generating $@ ; \ 709 set -e ; \ 710 : Extract the config macros ; \ 711 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 712 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 713 mv $@.tmp $@ 714 715# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 716$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 717 @$(XECHO) Generating $@ ; \ 718 set -e ; \ 719 : Extract the config macros ; \ 720 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 721 -DDO_DEPS_ONLY -dM include/common.h | \ 722 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 723 mv $@.tmp $@ 724 725$(obj)include/spl-autoconf.mk: $(obj)include/config.h 726 @$(XECHO) Generating $@ ; \ 727 set -e ; \ 728 : Extract the config macros ; \ 729 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \ 730 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 731 mv $@.tmp $@ 732 733$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 734 $(obj)include/spl-autoconf.mk \ 735 $(obj)include/tpl-autoconf.mk \ 736 $(obj)lib/asm-offsets.s 737 @$(XECHO) Generating $@ 738 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 739 740$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 741 $(obj)include/spl-autoconf.mk \ 742 $(obj)include/tpl-autoconf.mk \ 743 $(src)lib/asm-offsets.c 744 @mkdir -p $(obj)lib 745 $(CC) -DDO_DEPS_ONLY \ 746 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 747 -o $@ $(src)lib/asm-offsets.c -c -S 748 749$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 750 $(obj)include/spl-autoconf.mk \ 751 $(obj)include/tpl-autoconf.mk \ 752 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 753 @$(XECHO) Generating $@ 754 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 755 756$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 757 $(obj)include/spl-autoconf.mk \ 758 $(obj)include/tpl-autoconf.mk 759 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 760 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 761 $(CC) -DDO_DEPS_ONLY \ 762 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 763 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 764 else \ 765 touch $@; \ 766 fi 767 768######################################################################### 769else # !config.mk 770all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 771$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 772$(filter-out tools,$(SUBDIRS)) \ 773updater depend dep tags ctags etags cscope $(obj)System.map: 774 @echo "System not configured - see README" >&2 775 @ exit 1 776 777tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 778 $(MAKE) -C $@ all 779endif # config.mk 780 781# ARM relocations should all be R_ARM_RELATIVE. 782checkarmreloc: $(obj)u-boot 783 @if test "R_ARM_RELATIVE" != \ 784 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \ 785 then echo "$< contains relocations other than \ 786 R_ARM_RELATIVE"; false; fi 787 788$(VERSION_FILE): 789 @mkdir -p $(dir $(VERSION_FILE)) 790 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 791 printf '#define PLAIN_VERSION "%s%s"\n' \ 792 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 793 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 794 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 795 ) > $@.tmp 796 @( printf '#define CC_VERSION_STRING "%s"\n' \ 797 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 798 @( printf '#define LD_VERSION_STRING "%s"\n' \ 799 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 800 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 801 802$(TIMESTAMP_FILE): 803 @mkdir -p $(dir $(TIMESTAMP_FILE)) 804 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 805 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 806 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 807 808easylogo env gdb: 809 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 810gdbtools: gdb 811 812xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 813 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 814 815tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 816 $(MAKE) -C tools HOST_TOOLS_ALL=y 817 818.PHONY : CHANGELOG 819CHANGELOG: 820 git log --no-merges U-Boot-1_1_5.. | \ 821 unexpand -a | sed -e 's/\s\s*$$//' > $@ 822 823include/license.h: tools/bin2header COPYING 824 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 825######################################################################### 826 827unconfig: 828 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 829 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 830 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 831 $(obj)include/spl-autoconf.mk \ 832 $(obj)include/tpl-autoconf.mk 833 834%_config:: unconfig 835 @$(MKCONFIG) -A $(@:_config=) 836 837sinclude $(obj).boards.depend 838$(obj).boards.depend: boards.cfg 839 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 840 841# 842# Functions to generate common board directory names 843# 844lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') 845ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') 846 847######################################################################### 848######################################################################### 849 850clean: 851 @rm -f $(obj)examples/standalone/82559_eeprom \ 852 $(obj)examples/standalone/atmel_df_pow2 \ 853 $(obj)examples/standalone/eepro100_eeprom \ 854 $(obj)examples/standalone/hello_world \ 855 $(obj)examples/standalone/interrupt \ 856 $(obj)examples/standalone/mem_to_mem_idma2intr \ 857 $(obj)examples/standalone/sched \ 858 $(obj)examples/standalone/smc911{11,x}_eeprom \ 859 $(obj)examples/standalone/test_burst \ 860 $(obj)examples/standalone/timer 861 @rm -f $(obj)examples/api/demo{,.bin} 862 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 863 $(obj)tools/env/{fw_printenv,fw_setenv} \ 864 $(obj)tools/envcrc \ 865 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 866 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 867 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 868 $(obj)tools/mk{$(BOARD),}spl \ 869 $(obj)tools/mxsboot \ 870 $(obj)tools/ncb $(obj)tools/ubsha1 \ 871 $(obj)tools/kernel-doc/docproc \ 872 $(obj)tools/proftool 873 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 874 $(obj)board/matrix_vision/*/bootscript.img \ 875 $(obj)board/voiceblue/eeprom \ 876 $(obj)u-boot.lds \ 877 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ 878 $(obj)arch/blackfin/cpu/init.{lds,elf} 879 @rm -f $(obj)include/bmp_logo.h 880 @rm -f $(obj)include/bmp_logo_data.h 881 @rm -f $(obj)lib/asm-offsets.s 882 @rm -f $(obj)include/generated/asm-offsets.h 883 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 884 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 885 @$(MAKE) -s -C doc/DocBook/ cleandocs 886 @find $(OBJTREE) -type f \ 887 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 888 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 889 -o -name '*.cfgtmp' \) -print \ 890 | xargs rm -f 891 892# Removes everything not needed for testing u-boot 893tidy: clean 894 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 895 896clobber: tidy 897 @find $(OBJTREE) -type f \( -name '*.srec' \ 898 -o -name '*.bin' -o -name u-boot.img \) \ 899 -print0 | xargs -0 rm -f 900 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 901 $(obj)cscope.* $(obj)*.*~ 902 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 903 @rm -f $(obj)u-boot.kwb 904 @rm -f $(obj)u-boot.pbl 905 @rm -f $(obj)u-boot.imx 906 @rm -f $(obj)u-boot-with-spl.imx 907 @rm -f $(obj)u-boot-with-nand-spl.imx 908 @rm -f $(obj)u-boot.ubl 909 @rm -f $(obj)u-boot.ais 910 @rm -f $(obj)u-boot.dtb 911 @rm -f $(obj)u-boot.sb 912 @rm -f $(obj)u-boot.bd 913 @rm -f $(obj)u-boot.spr 914 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} 915 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} 916 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} 917 @rm -f $(obj)spl/u-boot-spl.lds 918 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} 919 @rm -f $(obj)tpl/u-boot-spl.lds 920 @rm -f $(obj)MLO MLO.byteswap 921 @rm -f $(obj)SPL 922 @rm -f $(obj)tools/xway-swap-bytes 923 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 924 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 925 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 926 @rm -fr $(obj)include/generated 927 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 928 @rm -f $(obj)dts/*.tmp 929 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais 930 931mrproper \ 932distclean: clobber unconfig 933ifneq ($(OBJTREE),$(SRCTREE)) 934 rm -rf $(obj)* 935endif 936 937backup: 938 F=`basename $(TOPDIR)` ; cd .. ; \ 939 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 940 941######################################################################### 942