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 = 2014 9PATCHLEVEL = 01 10SUBLEVEL = 11EXTRAVERSION = 12ifneq "$(SUBLEVEL)" "" 13U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 14else 15U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION) 16endif 17TIMESTAMP_FILE = include/generated/timestamp_autogenerated.h 18VERSION_FILE = 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# kbuild supports saving output files in a separate directory. 47# To locate output files in a separate directory two syntaxes are supported. 48# In both cases the working directory must be the root of the kernel src. 49# 1) O= 50# Use "make O=dir/to/store/output/files/" 51# 52# 2) Set KBUILD_OUTPUT 53# Set the environment variable KBUILD_OUTPUT to point to the directory 54# where the output files shall be placed. 55# export KBUILD_OUTPUT=dir/to/store/output/files/ 56# make 57# 58# The O= assignment takes precedence over the KBUILD_OUTPUT environment 59# variable. 60 61 62# KBUILD_SRC is set on invocation of make in OBJ directory 63# KBUILD_SRC is not intended to be used by the regular user (for now) 64ifeq ($(KBUILD_SRC),) 65 66# OK, Make called in directory where kernel src resides 67# Do we want to locate output files in a separate directory? 68ifeq ("$(origin O)", "command line") 69 KBUILD_OUTPUT := $(O) 70endif 71 72ifeq ("$(origin W)", "command line") 73 export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W) 74endif 75 76# That's our default target when none is given on the command line 77PHONY := _all 78_all: 79 80# Cancel implicit rules on top Makefile 81$(CURDIR)/Makefile Makefile: ; 82 83ifneq ($(KBUILD_OUTPUT),) 84# Invoke a second make in the output directory, passing relevant variables 85# check that the output directory actually exists 86saved-output := $(KBUILD_OUTPUT) 87KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) 88$(if $(KBUILD_OUTPUT),, \ 89 $(error output directory "$(saved-output)" does not exist)) 90 91PHONY += $(MAKECMDGOALS) sub-make 92 93$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 94 @: 95 96sub-make: FORCE 97 $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ 98 KBUILD_SRC=$(CURDIR) \ 99 KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ 100 $(filter-out _all sub-make,$(MAKECMDGOALS)) 101 102# Leave processing to above invocation of make 103skip-makefile := 1 104endif # ifneq ($(KBUILD_OUTPUT),) 105endif # ifeq ($(KBUILD_SRC),) 106 107# We process the rest of the Makefile if this is the final invocation of make 108ifeq ($(skip-makefile),) 109 110PHONY += all 111_all: all 112 113srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) 114objtree := $(CURDIR) 115src := $(srctree) 116obj := $(objtree) 117 118VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 119 120export srctree objtree VPATH 121 122# Call a source code checker (by default, "sparse") as part of the 123# C compilation. 124# 125# Use 'make C=1' to enable checking of re-compiled files. 126# 127# See the linux kernel file "Documentation/sparse.txt" for more details, 128# including where to get the "sparse" utility. 129 130ifdef C 131ifeq ("$(origin C)", "command line") 132CHECKSRC := $(C) 133endif 134endif 135ifndef CHECKSRC 136 CHECKSRC = 0 137endif 138export CHECKSRC 139 140OBJTREE := $(objtree) 141SPLTREE := $(OBJTREE)/spl 142TPLTREE := $(OBJTREE)/tpl 143SRCTREE := $(srctree) 144TOPDIR := $(SRCTREE) 145export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 146 147MKCONFIG := $(SRCTREE)/mkconfig 148export MKCONFIG 149 150# Make sure CDPATH settings don't interfere 151unexport CDPATH 152 153######################################################################### 154 155# The "tools" are needed early, so put this first 156# Don't include stuff already done in $(LIBS) 157# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 158# is "yes"), so compile examples after U-Boot is compiled. 159SUBDIR_TOOLS = tools 160SUBDIRS = $(SUBDIR_TOOLS) 161 162.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 163 164ifeq (include/config.mk,$(wildcard include/config.mk)) 165 166# Include autoconf.mk before config.mk so that the config options are available 167# to all top level build files. We need the dummy all: target to prevent the 168# dependency target in autoconf.mk.dep from being the default. 169all: 170sinclude include/autoconf.mk.dep 171sinclude include/autoconf.mk 172 173SUBDIR_EXAMPLES-y := examples/standalone 174SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api 175ifndef CONFIG_SANDBOX 176SUBDIRS += $(SUBDIR_EXAMPLES-y) 177endif 178 179# load ARCH, BOARD, and CPU configuration 180include include/config.mk 181export ARCH CPU BOARD VENDOR SOC 182 183# set default to nothing for native builds 184ifeq ($(HOSTARCH),$(ARCH)) 185CROSS_COMPILE ?= 186endif 187 188# SHELL used by kbuild 189CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 190 else if [ -x /bin/bash ]; then echo /bin/bash; \ 191 else echo sh; fi ; fi) 192 193HOSTCC = gcc 194HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 195 196ifeq ($(HOSTOS),cygwin) 197HOSTCFLAGS += -ansi 198endif 199 200# Mac OS X / Darwin's C preprocessor is Apple specific. It 201# generates numerous errors and warnings. We want to bypass it 202# and use GNU C's cpp. To do this we pass the -traditional-cpp 203# option to the compiler. Note that the -traditional-cpp flag 204# DOES NOT have the same semantics as GNU C's flag, all it does 205# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 206# 207# Apple's linker is similar, thanks to the new 2 stage linking 208# multiple symbol definitions are treated as errors, hence the 209# -multiply_defined suppress option to turn off this error. 210# 211ifeq ($(HOSTOS),darwin) 212# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 213DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 214DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 215 216os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 217 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 218 219# Snow Leopards build environment has no longer restrictions as described above 220HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 221HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 222HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 223endif 224 225# Look for make include files relative to root of kernel src 226MAKEFLAGS += --include-dir=$(srctree) 227 228# We need some generic definitions (do not try to remake the file). 229$(srctree)/scripts/Kbuild.include: ; 230include $(srctree)/scripts/Kbuild.include 231 232# Make variables (CC, etc...) 233 234AS = $(CROSS_COMPILE)as 235# Always use GNU ld 236ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 237LD = $(CROSS_COMPILE)ld.bfd 238else 239LD = $(CROSS_COMPILE)ld 240endif 241CC = $(CROSS_COMPILE)gcc 242CPP = $(CC) -E 243AR = $(CROSS_COMPILE)ar 244NM = $(CROSS_COMPILE)nm 245LDR = $(CROSS_COMPILE)ldr 246STRIP = $(CROSS_COMPILE)strip 247OBJCOPY = $(CROSS_COMPILE)objcopy 248OBJDUMP = $(CROSS_COMPILE)objdump 249AWK = awk 250RANLIB = $(CROSS_COMPILE)RANLIB 251DTC = dtc 252CHECK = sparse 253 254CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 255 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 256 257# Use UBOOTINCLUDE when you must reference the include/ directory. 258# Needed to be compatible with the O= option 259UBOOTINCLUDE := 260ifneq ($(OBJTREE),$(SRCTREE)) 261UBOOTINCLUDE += -I$(OBJTREE)/include 262endif 263UBOOTINCLUDE += -I$(srctree)/include \ 264 -I$(srctree)/arch/$(ARCH)/include 265 266KBUILD_CPPFLAGS := -D__KERNEL__ 267 268KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 269 -Wno-format-security \ 270 -fno-builtin -ffreestanding 271KBUILD_AFLAGS := -D__ASSEMBLY__ 272 273export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 274export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 275export MAKE AWK 276export DTC CHECK CHECKFLAGS 277 278export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE 279export KBUILD_CFLAGS KBUILD_AFLAGS 280 281KBUILD_CFLAGS += -Os #-fomit-frame-pointer 282 283ifdef BUILD_TAG 284KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 285endif 286 287KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 288 289KBUILD_CFLAGS += -g 290# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 291# option to the assembler. 292KBUILD_AFLAGS += -g 293 294NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 295CHECKFLAGS += $(NOSTDINC_FLAGS) 296 297# Report stack usage if supported 298KBUILD_CFLAGS += $(call cc-option,-fstack-usage) 299 300KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 301 302# turn jbsr into jsr for m68k 303ifeq ($(ARCH),m68k) 304ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 305KBUILD_AFLAGS += -Wa,-gstabs,-S 306endif 307endif 308 309# load other configuration 310include $(TOPDIR)/config.mk 311 312ifneq ($(CONFIG_SYS_TEXT_BASE),) 313KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 314endif 315 316export CONFIG_SYS_TEXT_BASE 317 318LDFLAGS_u-boot += -T u-boot.lds $(LDFLAGS_FINAL) 319ifneq ($(CONFIG_SYS_TEXT_BASE),) 320LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 321endif 322 323# Targets which don't build the source code 324NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig %_config 325 326# Only do the generic board check when actually building, not configuring 327ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),) 328ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 329ifneq ($(CONFIG_SYS_GENERIC_BOARD),) 330CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \ 331Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file) 332endif 333endif 334endif 335 336# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 337# that (or fail if absent). Otherwise, search for a linker script in a 338# standard location. 339 340LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 341 342ifndef LDSCRIPT 343 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 344 ifdef CONFIG_SYS_LDSCRIPT 345 # need to strip off double quotes 346 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 347 endif 348endif 349 350# If there is no specified link script, we look in a number of places for it 351ifndef LDSCRIPT 352 ifeq ($(CONFIG_NAND_U_BOOT),y) 353 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 354 ifeq ($(wildcard $(LDSCRIPT)),) 355 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 356 endif 357 endif 358 ifeq ($(wildcard $(LDSCRIPT)),) 359 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 360 endif 361 ifeq ($(wildcard $(LDSCRIPT)),) 362 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 363 endif 364 ifeq ($(wildcard $(LDSCRIPT)),) 365 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 366 # We don't expect a Makefile here 367 LDSCRIPT_MAKEFILE_DIR = 368 endif 369 ifeq ($(wildcard $(LDSCRIPT)),) 370$(error could not find linker script) 371 endif 372endif 373 374######################################################################### 375# U-Boot objects....order is important (i.e. start must be first) 376 377head-y := $(CPUDIR)/start.o 378head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 379head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 380 381OBJS := $(head-y) 382 383HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 384 385LIBS-y += lib/ 386LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 387LIBS-y += $(CPUDIR)/ 388ifdef SOC 389LIBS-y += $(CPUDIR)/$(SOC)/ 390endif 391LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 392LIBS-$(CONFIG_OF_EMBED) += dts/ 393LIBS-y += arch/$(ARCH)/lib/ 394LIBS-y += fs/ 395LIBS-y += net/ 396LIBS-y += disk/ 397LIBS-y += drivers/ 398LIBS-y += drivers/dma/ 399LIBS-y += drivers/gpio/ 400LIBS-y += drivers/i2c/ 401LIBS-y += drivers/input/ 402LIBS-y += drivers/mmc/ 403LIBS-y += drivers/mtd/ 404LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 405LIBS-y += drivers/mtd/onenand/ 406LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 407LIBS-y += drivers/mtd/spi/ 408LIBS-y += drivers/net/ 409LIBS-y += drivers/net/phy/ 410LIBS-y += drivers/pci/ 411LIBS-y += drivers/power/ \ 412 drivers/power/fuel_gauge/ \ 413 drivers/power/mfd/ \ 414 drivers/power/pmic/ \ 415 drivers/power/battery/ 416LIBS-y += drivers/spi/ 417LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 418LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 419LIBS-y += drivers/serial/ 420LIBS-y += drivers/usb/eth/ 421LIBS-y += drivers/usb/gadget/ 422LIBS-y += drivers/usb/host/ 423LIBS-y += drivers/usb/musb/ 424LIBS-y += drivers/usb/musb-new/ 425LIBS-y += drivers/usb/phy/ 426LIBS-y += drivers/usb/ulpi/ 427LIBS-y += common/ 428LIBS-y += lib/libfdt/ 429LIBS-$(CONFIG_API) += api/ 430LIBS-$(CONFIG_HAS_POST) += post/ 431LIBS-y += test/ 432 433ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 434LIBS-y += arch/$(ARCH)/imx-common/ 435endif 436 437LIBS-$(CONFIG_ARM) += arch/arm/cpu/ 438LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ 439 440LIBS-y += board/$(BOARDDIR)/ 441 442LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) 443LIBS := $(sort $(LIBS-y)) 444.PHONY : $(LIBS) 445 446# Add GCC lib 447ifdef USE_PRIVATE_LIBGCC 448ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 449PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 450else 451PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 452endif 453else 454PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 455endif 456PLATFORM_LIBS += $(PLATFORM_LIBGCC) 457export PLATFORM_LIBS 458 459# Special flags for CPP when processing the linker script. 460# Pass the version down so we can handle backwards compatibility 461# on the fly. 462LDPPFLAGS += \ 463 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 464 -DCPUDIR=$(CPUDIR) \ 465 $(shell $(LD) --version | \ 466 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 467 468######################################################################### 469######################################################################### 470 471ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 472BOARD_SIZE_CHECK = \ 473 @actual=`wc -c $@ | awk '{print $$1}'`; \ 474 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 475 if test $$actual -gt $$limit; then \ 476 echo "$@ exceeds file size limit:" >&2 ; \ 477 echo " limit: $$limit bytes" >&2 ; \ 478 echo " actual: $$actual bytes" >&2 ; \ 479 echo " excess: $$((actual - limit)) bytes" >&2; \ 480 exit 1; \ 481 fi 482else 483BOARD_SIZE_CHECK = 484endif 485 486# Statically apply RELA-style relocations (currently arm64 only) 487ifneq ($(CONFIG_STATIC_RELA),) 488# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 489DO_STATIC_RELA = \ 490 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 491 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 492 tools/relocate-rela $(2) $(3) $$start $$end 493else 494DO_STATIC_RELA = 495endif 496 497# Always append ALL so that arch config.mk's can add custom ones 498ALL-y += u-boot.srec u-boot.bin System.map 499 500ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 501ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 502ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 503ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 504ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 505ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 506ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 507ifneq ($(CONFIG_SPL_TARGET),) 508ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 509endif 510ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 511 512# enable combined SPL/u-boot/dtb rules for tegra 513ifneq ($(CONFIG_TEGRA),) 514ifeq ($(CONFIG_SPL),y) 515ifeq ($(CONFIG_OF_SEPARATE),y) 516ALL-y += u-boot-dtb-tegra.bin 517else 518ALL-y += u-boot-nodtb-tegra.bin 519endif 520endif 521endif 522 523all: $(ALL-y) $(SUBDIR_EXAMPLES-y) 524 525u-boot.dtb: checkdtc u-boot 526 $(MAKE) $(build)=dts binary 527 mv dts/dt.dtb $@ 528 529u-boot-dtb.bin: u-boot.bin u-boot.dtb 530 cat $^ >$@ 531 532u-boot.hex: u-boot 533 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 534 535u-boot.srec: u-boot 536 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 537 538u-boot.bin: u-boot 539 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 540 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 541 $(BOARD_SIZE_CHECK) 542 543u-boot.ldr: u-boot 544 $(CREATE_LDR_ENV) 545 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 546 $(BOARD_SIZE_CHECK) 547 548u-boot.ldr.hex: u-boot.ldr 549 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 550 551u-boot.ldr.srec: u-boot.ldr 552 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 553 554# 555# U-Boot entry point, needed for booting of full-blown U-Boot 556# from the SPL U-Boot version. 557# 558ifndef CONFIG_SYS_UBOOT_START 559CONFIG_SYS_UBOOT_START := 0 560endif 561 562u-boot.img: u-boot.bin 563 tools/mkimage -A $(ARCH) -T firmware -C none \ 564 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 565 -e $(CONFIG_SYS_UBOOT_START) \ 566 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 567 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 568 -d $< $@ 569 570u-boot.imx: u-boot.bin depend 571 $(MAKE) $(build)=arch/arm/imx-common $(objtree)/u-boot.imx 572 573u-boot.kwb: u-boot.bin 574 tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 575 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 576 577u-boot.pbl: u-boot.bin 578 tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 579 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 580 -d $< $@ 581 582u-boot.sha1: u-boot.bin 583 tools/ubsha1 u-boot.bin 584 585u-boot.dis: u-boot 586 $(OBJDUMP) -d $< > $@ 587 588# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 589# $(4) is pad-to 590SPL_PAD_APPEND = \ 591 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 592 $(1) $(3); \ 593 cat $(3) $(2) > $@; \ 594 rm $(3) 595 596ifdef CONFIG_TPL 597SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 598else 599SPL_PAYLOAD := u-boot.bin 600endif 601 602u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) 603 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 604 605tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin 606 $(call SPL_PAD_APPEND,$<,u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 607 608u-boot-with-spl.imx: spl/u-boot-spl.bin u-boot.bin 609 $(MAKE) $(build)=arch/arm/imx-common \ 610 $(OBJTREE)/u-boot-with-spl.imx 611 612u-boot-with-nand-spl.imx: spl/u-boot-spl.bin u-boot.bin 613 $(MAKE) $(build)=arch/arm/imx-common \ 614 $(OBJTREE)/u-boot-with-nand-spl.imx 615 616u-boot.ubl: u-boot-with-spl.bin 617 tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 618 -e $(CONFIG_SYS_TEXT_BASE) -d $< u-boot.ubl 619 620u-boot.ais: spl/u-boot-spl.bin u-boot.img 621 tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 622 -T aisimage \ 623 -e $(CONFIG_SPL_TEXT_BASE) \ 624 -d spl/u-boot-spl.bin \ 625 spl/u-boot-spl.ais 626 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 627 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 628 spl/u-boot-spl.ais spl/u-boot-spl-pad.ais 629 cat spl/u-boot-spl-pad.ais u-boot.img > u-boot.ais 630 631 632u-boot.sb: u-boot.bin spl/u-boot-spl.bin 633 $(MAKE) $(build)=$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 634 635# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 636# Both images are created using mkimage (crc etc), so that the ROM 637# bootloader can check its integrity. Padding needs to be done to the 638# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 639# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 640# The resulting image containing both U-Boot images is called u-boot.spr 641u-boot.spr: u-boot.img spl/u-boot-spl.bin 642 tools/mkimage -A $(ARCH) -T firmware -C none \ 643 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 644 -d spl/u-boot-spl.bin $@ 645 $(OBJCOPY) -I binary -O binary \ 646 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 647 cat u-boot.img >> $@ 648 649ifneq ($(CONFIG_TEGRA),) 650u-boot-nodtb-tegra.bin: spl/u-boot-spl.bin u-boot.bin 651 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary spl/u-boot-spl spl/u-boot-spl-pad.bin 652 cat spl/u-boot-spl-pad.bin u-boot.bin > $@ 653 rm spl/u-boot-spl-pad.bin 654 655ifeq ($(CONFIG_OF_SEPARATE),y) 656u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin u-boot.dtb 657 cat u-boot-nodtb-tegra.bin u-boot.dtb > $@ 658endif 659endif 660 661u-boot-img.bin: spl/u-boot-spl.bin u-boot.img 662 cat spl/u-boot-spl.bin u-boot.img > $@ 663 664# PPC4xx needs the SPL at the end of the image, since the reset vector 665# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 666# and need to introduce a new build target with the full blown U-Boot 667# at the start padded up to the start of the SPL image. And then concat 668# the SPL image to the end. 669u-boot-img-spl-at-end.bin: spl/u-boot-spl.bin u-boot.img 670 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 671 --gap-fill=0xff u-boot.img $@ 672 cat spl/u-boot-spl.bin >> $@ 673 674# Create a new ELF from a raw binary file. This is useful for arm64 675# where static relocation needs to be performed on the raw binary, 676# but certain simulators only accept an ELF file (but don't do the 677# relocation). 678# FIXME refactor dts/Makefile to share target/arch detection 679u-boot.elf: u-boot.bin 680 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 681 $< u-boot-elf.o 682 @$(LD) u-boot-elf.o -o $@ \ 683 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 684 -Ttext=$(CONFIG_SYS_TEXT_BASE) 685 686ifeq ($(CONFIG_SANDBOX),y) 687GEN_UBOOT = \ 688 $(CC) $(SYMS) -T u-boot.lds \ 689 -Wl,--start-group $(LIBS) -Wl,--end-group \ 690 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 691else 692GEN_UBOOT = \ 693 $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 694 $(OBJS) \ 695 --start-group $(LIBS) --end-group $(PLATFORM_LIBS) \ 696 -Map u-boot.map -o u-boot 697endif 698 699u-boot: depend $(SUBDIR_TOOLS) $(OBJS) $(LIBS) u-boot.lds 700 $(GEN_UBOOT) 701ifeq ($(CONFIG_KALLSYMS),y) 702 smap=`$(call SYSTEM_MAP,u-boot) | \ 703 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 704 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 705 -c $(srctree)/common/system_map.c -o common/system_map.o 706 $(GEN_UBOOT) common/system_map.o 707endif 708 709$(OBJS): 710 @: 711 712$(LIBS): depend $(SUBDIR_TOOLS) 713 $(MAKE) $(build)=$(patsubst %/,%,$(dir $@)) 714 715$(SUBDIRS): depend 716 $(MAKE) $(build)=$@ all 717 718$(SUBDIR_EXAMPLES-y): u-boot 719 720u-boot.lds: $(LDSCRIPT) depend 721 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 722 723nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 724 $(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 725 726u-boot-nand.bin: nand_spl u-boot.bin 727 cat nand_spl/u-boot-spl-16k.bin u-boot.bin > u-boot-nand.bin 728 729spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 730 $(MAKE) obj=spl -f $(srctree)/spl/Makefile all 731 732tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 733 $(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 734 735# Explicitly make _depend in subdirs containing multiple targets to prevent 736# parallel sub-makes creating .depend files simultaneously. 737depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 738 include/spl-autoconf.mk \ 739 include/tpl-autoconf.mk \ 740 include/autoconf.mk \ 741 include/generated/generic-asm-offsets.h \ 742 include/generated/asm-offsets.h 743 744TAG_SUBDIRS = $(SUBDIRS) 745TAG_SUBDIRS += $(dir $(LIBS)) 746TAG_SUBDIRS += include 747 748FIND := find 749FINDFLAGS := -L 750 751checkstack: 752 $(CROSS_COMPILE)objdump -d u-boot \ 753 `$(FIND) . -name u-boot-spl -print` | \ 754 perl $(src)/scripts/checkstack.pl $(ARCH) 755 756tags ctags: 757 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 758 -name '*.[chS]' -print` 759 760etags: 761 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 762 -name '*.[chS]' -print` 763cscope: 764 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 765 cscope.files 766 cscope -b -q -k 767 768SYSTEM_MAP = \ 769 $(NM) $1 | \ 770 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 771 LC_ALL=C sort 772System.map: u-boot 773 @$(call SYSTEM_MAP,$<) > $@ 774 775checkthumb: 776 @if test $(call cc-version) -lt 0404; then \ 777 echo -n '*** Your GCC does not produce working '; \ 778 echo 'binaries in THUMB mode.'; \ 779 echo '*** Your board is configured for THUMB mode.'; \ 780 false; \ 781 fi 782 783# GCC 3.x is reported to have problems generating the type of relocation 784# that U-Boot wants. 785# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 786checkgcc4: 787 @if test $(call cc-version) -lt 0400; then \ 788 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 789 false; \ 790 fi 791 792checkdtc: 793 @if test $(call dtc-version) -lt 0104; then \ 794 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 795 false; \ 796 fi 797 798# 799# Auto-generate the autoconf.mk file (which is included by all makefiles) 800# 801# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 802# the dep file is only include in this top level makefile to determine when 803# to regenerate the autoconf.mk file. 804include/autoconf.mk.dep: include/config.h include/common.h 805 @$(XECHO) Generating $@ ; \ 806 : Generate the dependancies ; \ 807 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 808 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || \ 809 rm $@ 810 811include/autoconf.mk: include/config.h 812 @$(XECHO) Generating $@ ; \ 813 : Extract the config macros ; \ 814 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 815 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 816 rm $@.tmp 817 818# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 819include/tpl-autoconf.mk: include/config.h 820 @$(XECHO) Generating $@ ; \ 821 : Extract the config macros ; \ 822 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 823 -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 824 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 825 rm $@.tmp 826 827include/spl-autoconf.mk: include/config.h 828 @$(XECHO) Generating $@ ; \ 829 : Extract the config macros ; \ 830 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 831 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 832 rm $@.tmp 833 834include/generated/generic-asm-offsets.h: lib/asm-offsets.s 835 @$(XECHO) Generating $@ 836 $(srctree)/tools/scripts/make-asm-offsets lib/asm-offsets.s $@ 837 838lib/asm-offsets.s: include/config.h $(srctree)/lib/asm-offsets.c 839 @mkdir -p lib 840 $(CC) -DDO_DEPS_ONLY \ 841 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 842 -o $@ $(srctree)/lib/asm-offsets.c -c -S 843 844include/generated/asm-offsets.h: $(CPUDIR)/$(SOC)/asm-offsets.s 845 @$(XECHO) Generating $@ 846 $(srctree)/tools/scripts/make-asm-offsets $(CPUDIR)/$(SOC)/asm-offsets.s $@ 847 848$(CPUDIR)/$(SOC)/asm-offsets.s: include/config.h 849 @mkdir -p $(CPUDIR)/$(SOC) 850 if [ -f $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 851 $(CC) -DDO_DEPS_ONLY \ 852 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 853 -o $@ $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 854 else \ 855 touch $@; \ 856 fi 857 858######################################################################### 859else # !config.mk 860all u-boot.hex u-boot.srec u-boot.bin \ 861u-boot.img u-boot.dis u-boot \ 862$(filter-out tools,$(SUBDIRS)) \ 863depend dep tags ctags etags cscope System.map: 864 @echo "System not configured - see README" >&2 865 @ exit 1 866 867tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 868 $(MAKE) $(build)=$@ all 869endif # config.mk 870 871# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 872# R_AARCH64_RELATIVE (64-bit). 873checkarmreloc: u-boot 874 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 875 grep R_A | sort -u`"; \ 876 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 877 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 878 echo "$< contains unexpected relocations: $$RELOC"; \ 879 false; \ 880 fi 881 882$(VERSION_FILE): 883 @mkdir -p $(dir $(VERSION_FILE)) 884 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 885 printf '#define PLAIN_VERSION "%s%s"\n' \ 886 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 887 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 888 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 889 ) > $@.tmp 890 @( printf '#define CC_VERSION_STRING "%s"\n' \ 891 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 892 @( printf '#define LD_VERSION_STRING "%s"\n' \ 893 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 894 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 895 896$(TIMESTAMP_FILE): 897 @mkdir -p $(dir $(TIMESTAMP_FILE)) 898 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 899 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 900 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 901 902easylogo env gdb: 903 $(MAKE) $(build)=tools/$@ MTD_VERSION=${MTD_VERSION} 904 905gdbtools: gdb 906 907xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 908 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) $(build)=doc/DocBook $@ 909 910tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 911 $(MAKE) $(build)=tools HOST_TOOLS_ALL=y 912 913.PHONY : CHANGELOG 914CHANGELOG: 915 git log --no-merges U-Boot-1_1_5.. | \ 916 unexpand -a | sed -e 's/\s\s*$$//' > $@ 917 918include/license.h: tools/bin2header COPYING 919 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 920######################################################################### 921 922unconfig: 923 @rm -f include/config.h include/config.mk \ 924 board/*/config.tmp board/*/*/config.tmp \ 925 include/autoconf.mk include/autoconf.mk.dep \ 926 include/spl-autoconf.mk \ 927 include/tpl-autoconf.mk 928 929%_config:: unconfig 930 @$(MKCONFIG) -A $(@:_config=) 931 932######################################################################### 933 934clean: 935 @rm -f examples/standalone/atmel_df_pow2 \ 936 examples/standalone/hello_world \ 937 examples/standalone/interrupt \ 938 examples/standalone/mem_to_mem_idma2intr \ 939 examples/standalone/sched \ 940 $(addprefix examples/standalone/, smc91111_eeprom smc911x_eeprom) \ 941 examples/standalone/test_burst \ 942 examples/standalone/timer 943 @rm -f $(addprefix examples/api/, demo demo.bin) 944 @rm -f tools/bmp_logo tools/easylogo/easylogo \ 945 tools/env/fw_printenv \ 946 tools/envcrc \ 947 $(addprefix tools/gdb/, gdbcont gdbsend) \ 948 tools/gen_eth_addr tools/img2srec \ 949 tools/dumpimage \ 950 $(addprefix tools/, mkenvimage mkimage) \ 951 tools/mpc86x_clk \ 952 $(addprefix tools/, mk$(BOARD)spl mkexynosspl) \ 953 tools/mxsboot \ 954 tools/ncb tools/ubsha1 \ 955 tools/kernel-doc/docproc \ 956 tools/proftool 957 @rm -f $(addprefix board/cray/L1/, bootscript.c bootscript.image) \ 958 board/matrix_vision/*/bootscript.img \ 959 spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl \ 960 u-boot.lds \ 961 $(addprefix arch/blackfin/cpu/, init.lds init.elf) 962 @rm -f include/bmp_logo.h 963 @rm -f include/bmp_logo_data.h 964 @rm -f lib/asm-offsets.s 965 @rm -f include/generated/asm-offsets.h 966 @rm -f $(CPUDIR)/$(SOC)/asm-offsets.s 967 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 968 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile cleandocs 969 @find $(OBJTREE) -type f \ 970 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 971 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 972 -o -name '*.cfgtmp' \) -print \ 973 | xargs rm -f 974 975# Removes everything not needed for testing u-boot 976tidy: clean 977 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 978 979clobber: tidy 980 @find $(OBJTREE) -type f \( -name '*.srec' \ 981 -o -name '*.bin' -o -name u-boot.img \) \ 982 -print0 | xargs -0 rm -f 983 @rm -f $(OBJS) *.bak ctags etags TAGS \ 984 cscope.* *.*~ 985 @rm -f u-boot u-boot.map u-boot.hex $(ALL-y) 986 @rm -f u-boot.kwb 987 @rm -f u-boot.pbl 988 @rm -f u-boot.imx 989 @rm -f u-boot-with-spl.imx 990 @rm -f u-boot-with-nand-spl.imx 991 @rm -f u-boot.ubl 992 @rm -f u-boot.ais 993 @rm -f u-boot.dtb 994 @rm -f u-boot.sb 995 @rm -f u-boot.spr 996 @rm -f $(addprefix nand_spl/, u-boot.lds u-boot.lst System.map) 997 @rm -f $(addprefix nand_spl/, u-boot-nand_spl.lds u-boot-spl u-boot-spl.map) 998 @rm -f $(addprefix spl/, u-boot-spl u-boot-spl.bin u-boot-spl.map) 999 @rm -f spl/u-boot-spl.lds 1000 @rm -f $(addprefix tpl/, u-boot-tpl u-boot-tpl.bin u-boot-tpl.map) 1001 @rm -f tpl/u-boot-spl.lds 1002 @rm -f MLO MLO.byteswap 1003 @rm -f SPL 1004 @rm -f tools/xway-swap-bytes 1005 @rm -fr include/asm/proc include/asm/arch include/asm 1006 @rm -fr include/generated 1007 @[ ! -d nand_spl ] || find nand_spl -name "*" -type l -print | xargs rm -f 1008 @rm -f dts/*.tmp 1009 @rm -f $(addprefix spl/, u-boot-spl.ais, u-boot-spl-pad.ais) 1010 1011mrproper \ 1012distclean: clobber unconfig 1013ifneq ($(OBJTREE),$(SRCTREE)) 1014 rm -rf * 1015endif 1016 1017backup: 1018 F=`basename $(TOPDIR)` ; cd .. ; \ 1019 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1020 1021######################################################################### 1022 1023endif # skip-makefile 1024 1025PHONY += FORCE 1026FORCE: 1027 1028# Declare the contents of the .PHONY variable as phony. We keep that 1029# information in a variable so we can use it in if_changed and friends. 1030.PHONY: $(PHONY) 1031