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 = 04 10SUBLEVEL = 11EXTRAVERSION = -rc1 12NAME = 13 14# *DOCUMENTATION* 15# To see a list of typical targets execute "make help" 16# More info can be located in ./README 17# Comments in this file are targeted only to the developer, do not 18# expect to learn how to build the kernel reading this file. 19 20# Do not: 21# o use make's built-in rules and variables 22# (this increases performance and avoids hard-to-debug behaviour); 23# o print "Entering directory ..."; 24MAKEFLAGS += -rR --no-print-directory 25 26# Avoid funny character set dependencies 27unexport LC_ALL 28LC_COLLATE=C 29LC_NUMERIC=C 30export LC_COLLATE LC_NUMERIC 31 32# We are using a recursive build, so we need to do a little thinking 33# to get the ordering right. 34# 35# Most importantly: sub-Makefiles should only ever modify files in 36# their own directory. If in some directory we have a dependency on 37# a file in another dir (which doesn't happen often, but it's often 38# unavoidable when linking the built-in.o targets which finally 39# turn into vmlinux), we will call a sub make in that other dir, and 40# after that we are sure that everything which is in that other dir 41# is now up to date. 42# 43# The only cases where we need to modify files which have global 44# effects are thus separated out and done before the recursive 45# descending is started. They are now explicitly listed as the 46# prepare rule. 47 48# To put more focus on warnings, be less verbose as default 49# Use 'make V=1' to see the full commands 50 51ifeq ("$(origin V)", "command line") 52 KBUILD_VERBOSE = $(V) 53endif 54ifndef KBUILD_VERBOSE 55 KBUILD_VERBOSE = 0 56endif 57 58# Call a source code checker (by default, "sparse") as part of the 59# C compilation. 60# 61# Use 'make C=1' to enable checking of only re-compiled files. 62# Use 'make C=2' to enable checking of *all* source files, regardless 63# of whether they are re-compiled or not. 64# 65# See the file "Documentation/sparse.txt" for more details, including 66# where to get the "sparse" utility. 67 68ifeq ("$(origin C)", "command line") 69 KBUILD_CHECKSRC = $(C) 70endif 71ifndef KBUILD_CHECKSRC 72 KBUILD_CHECKSRC = 0 73endif 74 75# Use make M=dir to specify directory of external module to build 76# Old syntax make ... SUBDIRS=$PWD is still supported 77# Setting the environment variable KBUILD_EXTMOD take precedence 78ifdef SUBDIRS 79 KBUILD_EXTMOD ?= $(SUBDIRS) 80endif 81 82ifeq ("$(origin M)", "command line") 83 KBUILD_EXTMOD := $(M) 84endif 85 86# kbuild supports saving output files in a separate directory. 87# To locate output files in a separate directory two syntaxes are supported. 88# In both cases the working directory must be the root of the kernel src. 89# 1) O= 90# Use "make O=dir/to/store/output/files/" 91# 92# 2) Set KBUILD_OUTPUT 93# Set the environment variable KBUILD_OUTPUT to point to the directory 94# where the output files shall be placed. 95# export KBUILD_OUTPUT=dir/to/store/output/files/ 96# make 97# 98# The O= assignment takes precedence over the KBUILD_OUTPUT environment 99# variable. 100 101 102# KBUILD_SRC is set on invocation of make in OBJ directory 103# KBUILD_SRC is not intended to be used by the regular user (for now) 104ifeq ($(KBUILD_SRC),) 105 106# OK, Make called in directory where kernel src resides 107# Do we want to locate output files in a separate directory? 108ifeq ("$(origin O)", "command line") 109 KBUILD_OUTPUT := $(O) 110endif 111 112ifeq ("$(origin W)", "command line") 113 export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W) 114endif 115 116# That's our default target when none is given on the command line 117PHONY := _all 118_all: 119 120# Cancel implicit rules on top Makefile 121$(CURDIR)/Makefile Makefile: ; 122 123ifneq ($(KBUILD_OUTPUT),) 124# Invoke a second make in the output directory, passing relevant variables 125# check that the output directory actually exists 126saved-output := $(KBUILD_OUTPUT) 127KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) 128$(if $(KBUILD_OUTPUT),, \ 129 $(error output directory "$(saved-output)" does not exist)) 130 131PHONY += $(MAKECMDGOALS) sub-make 132 133$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 134 @: 135 136sub-make: FORCE 137 $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ 138 KBUILD_SRC=$(CURDIR) \ 139 KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ 140 $(filter-out _all sub-make,$(MAKECMDGOALS)) 141 142# Leave processing to above invocation of make 143skip-makefile := 1 144endif # ifneq ($(KBUILD_OUTPUT),) 145endif # ifeq ($(KBUILD_SRC),) 146 147# We process the rest of the Makefile if this is the final invocation of make 148ifeq ($(skip-makefile),) 149 150# If building an external module we do not care about the all: rule 151# but instead _all depend on modules 152PHONY += all 153ifeq ($(KBUILD_EXTMOD),) 154_all: all 155else 156_all: modules 157endif 158 159srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) 160objtree := $(CURDIR) 161src := $(srctree) 162obj := $(objtree) 163 164VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 165 166export srctree objtree VPATH 167 168OBJTREE := $(objtree) 169SPLTREE := $(OBJTREE)/spl 170TPLTREE := $(OBJTREE)/tpl 171SRCTREE := $(srctree) 172TOPDIR := $(SRCTREE) 173export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 174 175MKCONFIG := $(SRCTREE)/mkconfig 176export MKCONFIG 177 178# Make sure CDPATH settings don't interfere 179unexport CDPATH 180 181######################################################################### 182 183HOSTARCH := $(shell uname -m | \ 184 sed -e s/i.86/x86/ \ 185 -e s/sun4u/sparc64/ \ 186 -e s/arm.*/arm/ \ 187 -e s/sa110/arm/ \ 188 -e s/ppc64/powerpc/ \ 189 -e s/ppc/powerpc/ \ 190 -e s/macppc/powerpc/\ 191 -e s/sh.*/sh/) 192 193HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 194 sed -e 's/\(cygwin\).*/cygwin/') 195 196export HOSTARCH HOSTOS 197 198# Deal with colliding definitions from tcsh etc. 199VENDOR= 200 201######################################################################### 202 203# set default to nothing for native builds 204ifeq ($(HOSTARCH),$(ARCH)) 205CROSS_COMPILE ?= 206endif 207 208# SHELL used by kbuild 209CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 210 else if [ -x /bin/bash ]; then echo /bin/bash; \ 211 else echo sh; fi ; fi) 212 213HOSTCC = gcc 214HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 215 216ifeq ($(HOSTOS),cygwin) 217HOSTCFLAGS += -ansi 218endif 219 220# Mac OS X / Darwin's C preprocessor is Apple specific. It 221# generates numerous errors and warnings. We want to bypass it 222# and use GNU C's cpp. To do this we pass the -traditional-cpp 223# option to the compiler. Note that the -traditional-cpp flag 224# DOES NOT have the same semantics as GNU C's flag, all it does 225# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 226# 227# Apple's linker is similar, thanks to the new 2 stage linking 228# multiple symbol definitions are treated as errors, hence the 229# -multiply_defined suppress option to turn off this error. 230# 231ifeq ($(HOSTOS),darwin) 232# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 233DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 234DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 235 236os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 237 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 238 239# Snow Leopards build environment has no longer restrictions as described above 240HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 241HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 242HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 243endif 244 245# Decide whether to build built-in, modular, or both. 246# Normally, just do built-in. 247 248KBUILD_MODULES := 249KBUILD_BUILTIN := 1 250 251# If we have only "make modules", don't compile built-in objects. 252# When we're building modules with modversions, we need to consider 253# the built-in objects during the descend as well, in order to 254# make sure the checksums are up to date before we record them. 255 256ifeq ($(MAKECMDGOALS),modules) 257 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 258endif 259 260# If we have "make <whatever> modules", compile modules 261# in addition to whatever we do anyway. 262# Just "make" or "make all" shall build modules as well 263 264# U-Boot does not need modules 265#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 266# KBUILD_MODULES := 1 267#endif 268 269#ifeq ($(MAKECMDGOALS),) 270# KBUILD_MODULES := 1 271#endif 272 273export KBUILD_MODULES KBUILD_BUILTIN 274export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 275 276# Beautify output 277# --------------------------------------------------------------------------- 278# 279# Normally, we echo the whole command before executing it. By making 280# that echo $($(quiet)$(cmd)), we now have the possibility to set 281# $(quiet) to choose other forms of output instead, e.g. 282# 283# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 284# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 285# 286# If $(quiet) is empty, the whole command will be printed. 287# If it is set to "quiet_", only the short version will be printed. 288# If it is set to "silent_", nothing will be printed at all, since 289# the variable $(silent_cmd_cc_o_c) doesn't exist. 290# 291# A simple variant is to prefix commands with $(Q) - that's useful 292# for commands that shall be hidden in non-verbose mode. 293# 294# $(Q)ln $@ :< 295# 296# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 297# If KBUILD_VERBOSE equals 1 then the above command is displayed. 298 299ifeq ($(KBUILD_VERBOSE),1) 300 quiet = 301 Q = 302else 303 quiet=quiet_ 304 Q = @ 305endif 306 307# If the user is running make -s (silent mode), suppress echoing of 308# commands 309 310ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 311 quiet=silent_ 312endif 313 314export quiet Q KBUILD_VERBOSE 315 316 317# Look for make include files relative to root of kernel src 318MAKEFLAGS += --include-dir=$(srctree) 319 320# We need some generic definitions (do not try to remake the file). 321$(srctree)/scripts/Kbuild.include: ; 322include $(srctree)/scripts/Kbuild.include 323 324# Make variables (CC, etc...) 325 326AS = $(CROSS_COMPILE)as 327# Always use GNU ld 328ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 329LD = $(CROSS_COMPILE)ld.bfd 330else 331LD = $(CROSS_COMPILE)ld 332endif 333CC = $(CROSS_COMPILE)gcc 334CPP = $(CC) -E 335AR = $(CROSS_COMPILE)ar 336NM = $(CROSS_COMPILE)nm 337LDR = $(CROSS_COMPILE)ldr 338STRIP = $(CROSS_COMPILE)strip 339OBJCOPY = $(CROSS_COMPILE)objcopy 340OBJDUMP = $(CROSS_COMPILE)objdump 341AWK = awk 342RANLIB = $(CROSS_COMPILE)RANLIB 343DTC = dtc 344CHECK = sparse 345 346CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 347 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 348 349KBUILD_CPPFLAGS := -D__KERNEL__ 350 351KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 352 -Wno-format-security \ 353 -fno-builtin -ffreestanding 354KBUILD_AFLAGS := -D__ASSEMBLY__ 355 356# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 357UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 358UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 359 360export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 361export ARCH CPU BOARD VENDOR SOC 362export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 363export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 364export MAKE AWK 365export DTC CHECK CHECKFLAGS 366 367export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE 368export KBUILD_CFLAGS KBUILD_AFLAGS 369 370# When compiling out-of-tree modules, put MODVERDIR in the module 371# tree rather than in the kernel tree. The kernel tree might 372# even be read-only. 373export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 374 375# Files to ignore in find ... statements 376 377RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ 378 -o -name .pc -o -name .hg -o -name .git \) -prune -o 379export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 380 --exclude CVS --exclude .pc --exclude .hg --exclude .git 381 382# =========================================================================== 383# Rules shared between *config targets and build targets 384 385# Basic helpers built in scripts/ 386PHONY += scripts_basic 387scripts_basic: 388 $(Q)$(MAKE) $(build)=scripts/basic 389 $(Q)rm -f .tmp_quiet_recordmcount 390 391# To avoid any implicit rule to kick in, define an empty command. 392scripts/basic/%: scripts_basic ; 393 394PHONY += outputmakefile 395# outputmakefile generates a Makefile in the output directory, if using a 396# separate output directory. This allows convenient use of make in the 397# output directory. 398outputmakefile: 399ifneq ($(KBUILD_SRC),) 400 $(Q)ln -fsn $(srctree) source 401 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 402 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 403endif 404 405# To make sure we do not include .config for any of the *config targets 406# catch them early, and hand them over to scripts/kconfig/Makefile 407# It is allowed to specify more targets when calling make, including 408# mixing *config targets and build targets. 409# For example 'make oldconfig all'. 410# Detect when mixed targets is specified, and make a second invocation 411# of make so .config is not included in this case either (for *config). 412 413version_h := include/generated/version_autogenerated.h 414timestamp_h := include/generated/timestamp_autogenerated.h 415 416no-dot-config-targets := clean clobber mrproper distclean \ 417 help %docs check% coccicheck \ 418 backup 419 420config-targets := 0 421mixed-targets := 0 422dot-config := 1 423 424ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 425 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 426 dot-config := 0 427 endif 428endif 429 430ifeq ($(KBUILD_EXTMOD),) 431 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 432 config-targets := 1 433 ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 434 mixed-targets := 1 435 endif 436 endif 437endif 438 439ifeq ($(mixed-targets),1) 440# =========================================================================== 441# We're called with mixed targets (*config and build targets). 442# Handle them one by one. 443 444PHONY += $(MAKECMDGOALS) build-one-by-one 445 446$(MAKECMDGOALS): build-one-by-one 447 @: 448 449build-one-by-one: 450 $(Q)set -e; \ 451 for i in $(MAKECMDGOALS); do \ 452 $(MAKE) -f $(srctree)/Makefile $$i; \ 453 done 454 455else 456ifeq ($(config-targets),1) 457# =========================================================================== 458# *config targets only - make sure prerequisites are updated, and descend 459# in scripts/kconfig to make the *config target 460 461# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 462# KBUILD_DEFCONFIG may point out an alternative default configuration 463# used for 'make defconfig' 464 465%_config:: outputmakefile 466 @$(MKCONFIG) -A $(@:_config=) 467 468else 469# =========================================================================== 470# Build targets only - this includes vmlinux, arch specific targets, clean 471# targets and others. In general all targets except *config targets. 472 473# load ARCH, BOARD, and CPU configuration 474-include include/config.mk 475 476ifeq ($(dot-config),1) 477# Read in config 478-include include/autoconf.mk 479-include include/autoconf.mk.dep 480 481# load other configuration 482include $(srctree)/config.mk 483 484ifeq ($(wildcard include/config.mk),) 485$(error "System not configured - see README") 486endif 487 488ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 489ifneq ($(CONFIG_SYS_GENERIC_BOARD),) 490$(error Your architecture does not support generic board. \ 491Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file) 492endif 493endif 494 495# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 496# that (or fail if absent). Otherwise, search for a linker script in a 497# standard location. 498 499LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 500 501ifndef LDSCRIPT 502 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 503 ifdef CONFIG_SYS_LDSCRIPT 504 # need to strip off double quotes 505 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 506 endif 507endif 508 509# If there is no specified link script, we look in a number of places for it 510ifndef LDSCRIPT 511 ifeq ($(CONFIG_NAND_U_BOOT),y) 512 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 513 ifeq ($(wildcard $(LDSCRIPT)),) 514 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 515 endif 516 endif 517 ifeq ($(wildcard $(LDSCRIPT)),) 518 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 519 endif 520 ifeq ($(wildcard $(LDSCRIPT)),) 521 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 522 endif 523 ifeq ($(wildcard $(LDSCRIPT)),) 524 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 525 # We don't expect a Makefile here 526 LDSCRIPT_MAKEFILE_DIR = 527 endif 528 ifeq ($(wildcard $(LDSCRIPT)),) 529$(error could not find linker script) 530 endif 531endif 532 533else 534 535 536endif # $(dot-config) 537 538KBUILD_CFLAGS += -Os #-fomit-frame-pointer 539 540ifdef BUILD_TAG 541KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 542endif 543 544KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 545 546KBUILD_CFLAGS += -g 547# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 548# option to the assembler. 549KBUILD_AFLAGS += -g 550 551# Report stack usage if supported 552ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 553 KBUILD_CFLAGS += -fstack-usage 554endif 555 556KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 557 558# turn jbsr into jsr for m68k 559ifeq ($(ARCH),m68k) 560ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 561KBUILD_AFLAGS += -Wa,-gstabs,-S 562endif 563endif 564 565ifneq ($(CONFIG_SYS_TEXT_BASE),) 566KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 567endif 568 569export CONFIG_SYS_TEXT_BASE 570 571# Use UBOOTINCLUDE when you must reference the include/ directory. 572# Needed to be compatible with the O= option 573UBOOTINCLUDE := 574ifneq ($(OBJTREE),$(SRCTREE)) 575UBOOTINCLUDE += -I$(OBJTREE)/include 576endif 577UBOOTINCLUDE += -I$(srctree)/include \ 578 -I$(srctree)/arch/$(ARCH)/include 579 580NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 581CHECKFLAGS += $(NOSTDINC_FLAGS) 582 583# FIX ME 584cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) 585c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 586 587######################################################################### 588# U-Boot objects....order is important (i.e. start must be first) 589 590head-y := $(CPUDIR)/start.o 591head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 592head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 593 594HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 595 596libs-y += lib/ 597libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 598libs-y += $(CPUDIR)/ 599ifdef SOC 600libs-y += $(CPUDIR)/$(SOC)/ 601endif 602libs-$(CONFIG_OF_EMBED) += dts/ 603libs-y += arch/$(ARCH)/lib/ 604libs-y += fs/ 605libs-y += net/ 606libs-y += disk/ 607libs-y += drivers/ 608libs-y += drivers/dma/ 609libs-y += drivers/gpio/ 610libs-y += drivers/i2c/ 611libs-y += drivers/input/ 612libs-y += drivers/mmc/ 613libs-y += drivers/mtd/ 614libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 615libs-y += drivers/mtd/onenand/ 616libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 617libs-y += drivers/mtd/spi/ 618libs-y += drivers/net/ 619libs-y += drivers/net/phy/ 620libs-y += drivers/pci/ 621libs-y += drivers/power/ \ 622 drivers/power/fuel_gauge/ \ 623 drivers/power/mfd/ \ 624 drivers/power/pmic/ \ 625 drivers/power/battery/ 626libs-y += drivers/spi/ 627libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 628libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 629libs-y += drivers/serial/ 630libs-y += drivers/usb/eth/ 631libs-y += drivers/usb/gadget/ 632libs-y += drivers/usb/host/ 633libs-y += drivers/usb/musb/ 634libs-y += drivers/usb/musb-new/ 635libs-y += drivers/usb/phy/ 636libs-y += drivers/usb/ulpi/ 637libs-y += common/ 638libs-y += lib/libfdt/ 639libs-$(CONFIG_API) += api/ 640libs-$(CONFIG_HAS_POST) += post/ 641libs-y += test/ 642 643ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 644libs-y += arch/$(ARCH)/imx-common/ 645endif 646 647libs-$(CONFIG_ARM) += arch/arm/cpu/ 648libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 649 650libs-y += board/$(BOARDDIR)/ 651 652libs-y := $(sort $(libs-y)) 653 654u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 655 656u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 657 658libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 659 660u-boot-init := $(head-y) 661u-boot-main := $(libs-y) 662 663 664# Add GCC lib 665ifdef USE_PRIVATE_LIBGCC 666ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 667PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/lib.a 668else 669PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 670endif 671else 672PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 673endif 674PLATFORM_LIBS += $(PLATFORM_LIBGCC) 675export PLATFORM_LIBS 676 677# Special flags for CPP when processing the linker script. 678# Pass the version down so we can handle backwards compatibility 679# on the fly. 680LDPPFLAGS += \ 681 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 682 -DCPUDIR=$(CPUDIR) \ 683 $(shell $(LD) --version | \ 684 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 685 686######################################################################### 687######################################################################### 688 689ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 690BOARD_SIZE_CHECK = \ 691 @actual=`wc -c $@ | awk '{print $$1}'`; \ 692 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 693 if test $$actual -gt $$limit; then \ 694 echo "$@ exceeds file size limit:" >&2 ; \ 695 echo " limit: $$limit bytes" >&2 ; \ 696 echo " actual: $$actual bytes" >&2 ; \ 697 echo " excess: $$((actual - limit)) bytes" >&2; \ 698 exit 1; \ 699 fi 700else 701BOARD_SIZE_CHECK = 702endif 703 704# Statically apply RELA-style relocations (currently arm64 only) 705ifneq ($(CONFIG_STATIC_RELA),) 706# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 707DO_STATIC_RELA = \ 708 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 709 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 710 tools/relocate-rela $(2) $(3) $$start $$end 711else 712DO_STATIC_RELA = 713endif 714 715# Always append ALL so that arch config.mk's can add custom ones 716ALL-y += u-boot.srec u-boot.bin System.map 717 718ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 719ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 720ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 721ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 722ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 723ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 724ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.bin 725ifneq ($(CONFIG_SPL_TARGET),) 726ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 727endif 728ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 729 730# enable combined SPL/u-boot/dtb rules for tegra 731ifneq ($(CONFIG_TEGRA),) 732ifeq ($(CONFIG_SPL),y) 733ifeq ($(CONFIG_OF_SEPARATE),y) 734ALL-y += u-boot-dtb-tegra.bin 735else 736ALL-y += u-boot-nodtb-tegra.bin 737endif 738endif 739endif 740 741LDFLAGS_u-boot += -T u-boot.lds $(LDFLAGS_FINAL) 742ifneq ($(CONFIG_SYS_TEXT_BASE),) 743LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 744endif 745 746all: $(ALL-y) 747 748PHONY += dtbs 749dtbs dts/dt.dtb: checkdtc u-boot 750 $(Q)$(MAKE) $(build)=dts dtbs 751 752u-boot-dtb.bin: u-boot.bin dts/dt.dtb 753 cat $^ >$@ 754 755u-boot.hex: u-boot 756 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 757 758u-boot.srec: u-boot 759 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 760 761u-boot.bin: u-boot 762 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 763 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 764 $(BOARD_SIZE_CHECK) 765 766u-boot.ldr: u-boot 767 $(CREATE_LDR_ENV) 768 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 769 $(BOARD_SIZE_CHECK) 770 771u-boot.ldr.hex: u-boot.ldr 772 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 773 774u-boot.ldr.srec: u-boot.ldr 775 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 776 777# 778# U-Boot entry point, needed for booting of full-blown U-Boot 779# from the SPL U-Boot version. 780# 781ifndef CONFIG_SYS_UBOOT_START 782CONFIG_SYS_UBOOT_START := 0 783endif 784 785u-boot.img: u-boot.bin 786 tools/mkimage -A $(ARCH) -T firmware -C none \ 787 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 788 -e $(CONFIG_SYS_UBOOT_START) \ 789 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" \ 790 -d $< $@ 791 792u-boot.imx: u-boot.bin 793 $(MAKE) $(build)=arch/arm/imx-common $(objtree)/u-boot.imx 794 795u-boot.kwb: u-boot.bin 796 tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 797 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 798 799u-boot.pbl: u-boot.bin 800 tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 801 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 802 -d $< $@ 803 804u-boot.sha1: u-boot.bin 805 tools/ubsha1 u-boot.bin 806 807u-boot.dis: u-boot 808 $(OBJDUMP) -d $< > $@ 809 810# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 811# $(4) is pad-to 812SPL_PAD_APPEND = \ 813 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 814 $(1) $(3); \ 815 cat $(3) $(2) > $@; \ 816 rm $(3) 817 818ifdef CONFIG_TPL 819SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 820else 821SPL_PAYLOAD := u-boot.bin 822endif 823 824u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) 825 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 826 827tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin 828 $(call SPL_PAD_APPEND,$<,u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 829 830u-boot-with-spl.imx: spl/u-boot-spl.bin u-boot.bin 831 $(MAKE) $(build)=arch/arm/imx-common \ 832 $(OBJTREE)/u-boot-with-spl.imx 833 834u-boot-with-nand-spl.imx: spl/u-boot-spl.bin u-boot.bin 835 $(MAKE) $(build)=arch/arm/imx-common \ 836 $(OBJTREE)/u-boot-with-nand-spl.imx 837 838u-boot.ubl: u-boot-with-spl.bin 839 tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 840 -e $(CONFIG_SYS_TEXT_BASE) -d $< u-boot.ubl 841 842u-boot.ais: spl/u-boot-spl.bin u-boot.img 843 tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 844 -T aisimage \ 845 -e $(CONFIG_SPL_TEXT_BASE) \ 846 -d spl/u-boot-spl.bin \ 847 spl/u-boot-spl.ais 848 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 849 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 850 spl/u-boot-spl.ais spl/u-boot-spl-pad.ais 851 cat spl/u-boot-spl-pad.ais u-boot.img > u-boot.ais 852 853 854u-boot.sb: u-boot.bin spl/u-boot-spl.bin 855 $(MAKE) $(build)=$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 856 857# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 858# Both images are created using mkimage (crc etc), so that the ROM 859# bootloader can check its integrity. Padding needs to be done to the 860# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 861# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 862# The resulting image containing both U-Boot images is called u-boot.spr 863u-boot.spr: u-boot.img spl/u-boot-spl.bin 864 tools/mkimage -A $(ARCH) -T firmware -C none \ 865 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 866 -d spl/u-boot-spl.bin $@ 867 $(OBJCOPY) -I binary -O binary \ 868 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 869 cat u-boot.img >> $@ 870 871ifneq ($(CONFIG_TEGRA),) 872u-boot-nodtb-tegra.bin: spl/u-boot-spl.bin u-boot.bin 873 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary spl/u-boot-spl spl/u-boot-spl-pad.bin 874 cat spl/u-boot-spl-pad.bin u-boot.bin > $@ 875 rm spl/u-boot-spl-pad.bin 876 877ifeq ($(CONFIG_OF_SEPARATE),y) 878u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb 879 cat $^ > $@ 880endif 881endif 882 883u-boot-img.bin: spl/u-boot-spl.bin u-boot.img 884 cat spl/u-boot-spl.bin u-boot.img > $@ 885 886# PPC4xx needs the SPL at the end of the image, since the reset vector 887# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 888# and need to introduce a new build target with the full blown U-Boot 889# at the start padded up to the start of the SPL image. And then concat 890# the SPL image to the end. 891u-boot-img-spl-at-end.bin: spl/u-boot-spl.bin u-boot.img 892 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 893 --gap-fill=0xff u-boot.img $@ 894 cat spl/u-boot-spl.bin >> $@ 895 896# Create a new ELF from a raw binary file. This is useful for arm64 897# where static relocation needs to be performed on the raw binary, 898# but certain simulators only accept an ELF file (but don't do the 899# relocation). 900# FIXME refactor dts/Makefile to share target/arch detection 901u-boot.elf: u-boot.bin 902 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 903 $< u-boot-elf.o 904 @$(LD) u-boot-elf.o -o $@ \ 905 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 906 -Ttext=$(CONFIG_SYS_TEXT_BASE) 907 908ifeq ($(CONFIG_SANDBOX),y) 909GEN_UBOOT = \ 910 $(CC) $(SYMS) -T u-boot.lds \ 911 -Wl,--start-group $(u-boot-main) -Wl,--end-group \ 912 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 913else 914GEN_UBOOT = \ 915 $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 916 $(u-boot-init) \ 917 --start-group $(u-boot-main) --end-group $(PLATFORM_LIBS) \ 918 -Map u-boot.map -o u-boot 919endif 920 921u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 922 $(GEN_UBOOT) 923ifeq ($(CONFIG_KALLSYMS),y) 924 smap=`$(call SYSTEM_MAP,u-boot) | \ 925 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 926 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 927 -c $(srctree)/common/system_map.c -o common/system_map.o 928 $(GEN_UBOOT) common/system_map.o 929endif 930 931# The actual objects are generated when descending, 932# make sure no implicit rule kicks in 933$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 934 935# Handle descending into subdirectories listed in $(vmlinux-dirs) 936# Preset locale variables to speed up the build process. Limit locale 937# tweaks to this spot to avoid wrong language settings when running 938# make menuconfig etc. 939# Error messages still appears in the original language 940 941PHONY += $(u-boot-dirs) 942$(u-boot-dirs): prepare scripts 943 $(Q)$(MAKE) $(build)=$@ 944 945tools: prepare 946# The "tools" are needed early 947$(filter-out tools, $(u-boot-dirs)): tools 948# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 949# is "yes"), so compile examples after U-Boot is compiled. 950examples: $(filter-out examples, $(u-boot-dirs)) 951 952define filechk_uboot.release 953 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 954endef 955 956# Store (new) UBOOTRELEASE string in include/config/uboot.release 957include/config/uboot.release: Makefile FORCE 958 $(call filechk,uboot.release) 959 960 961# Things we need to do before we recursively start building the kernel 962# or the modules are listed in "prepare". 963# A multi level approach is used. prepareN is processed before prepareN-1. 964# archprepare is used in arch Makefiles and when processed asm symlink, 965# version.h and scripts_basic is processed / created. 966 967# Listed in dependency order 968PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 969 970# prepare3 is used to check if we are building in a separate output directory, 971# and if so do: 972# 1) Check that make has not been executed in the kernel src $(srctree) 973prepare3: include/config/uboot.release 974ifneq ($(KBUILD_SRC),) 975 @$(kecho) ' Using $(srctree) as source for u-boot' 976 $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 977 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 978 echo >&2 " in the '$(srctree)' directory.";\ 979 /bin/false; \ 980 fi; 981endif 982 983# prepare2 creates a makefile if using a separate output directory 984prepare2: prepare3 outputmakefile 985 986prepare1: prepare2 $(version_h) $(timestamp_h) 987 @: 988 989archprepare: prepare1 scripts_basic 990 991prepare0: archprepare FORCE include/generated/generic-asm-offsets.h \ 992 include/generated/asm-offsets.h 993 @: 994 995# All the preparing.. 996prepare: prepare0 997 998# Generate some files 999# --------------------------------------------------------------------------- 1000 1001define filechk_version.h 1002 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1003 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1004 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1005 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1006endef 1007 1008define filechk_timestamp.h 1009 (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1010 LC_ALL=C date +'#define U_BOOT_TIME "%T"') 1011endef 1012 1013$(version_h): $(srctree)/Makefile FORCE 1014 $(call filechk,version.h) 1015 1016$(timestamp_h): $(srctree)/Makefile FORCE 1017 $(call filechk,timestamp.h) 1018 1019# 1020# Auto-generate the autoconf.mk file (which is included by all makefiles) 1021# 1022# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 1023# the dep file is only include in this top level makefile to determine when 1024# to regenerate the autoconf.mk file. 1025 1026quiet_cmd_autoconf_dep = GEN $@ 1027 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 1028 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 1029 1030include/autoconf.mk.dep: include/config.h include/common.h 1031 $(call cmd,autoconf_dep) 1032 1033quiet_cmd_autoconf = GEN $@ 1034 cmd_autoconf = \ 1035 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1036 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1037 rm $@.tmp 1038 1039include/autoconf.mk: include/config.h 1040 $(call cmd,autoconf) 1041 1042# --------------------------------------------------------------------------- 1043 1044PHONY += depend dep 1045depend dep: 1046 @echo '*** Warning: make $@ is unnecessary now.' 1047 1048# --------------------------------------------------------------------------- 1049 1050u-boot.lds: $(LDSCRIPT) prepare 1051 $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 1052 1053nand_spl: prepare 1054 $(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 1055 1056u-boot-nand.bin: nand_spl u-boot.bin 1057 cat nand_spl/u-boot-spl-16k.bin u-boot.bin > u-boot-nand.bin 1058 1059spl/u-boot-spl.bin: tools prepare 1060 $(MAKE) obj=spl -f $(srctree)/spl/Makefile all 1061 1062tpl/u-boot-tpl.bin: tools prepare 1063 $(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 1064 1065TAG_SUBDIRS := $(u-boot-dirs) include 1066 1067FIND := find 1068FINDFLAGS := -L 1069 1070PHONY += checkstack 1071 1072checkstack: 1073 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1074 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1075 1076tags ctags: 1077 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1078 -name '*.[chS]' -print` 1079 1080etags: 1081 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1082 -name '*.[chS]' -print` 1083cscope: 1084 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1085 cscope.files 1086 cscope -b -q -k 1087 1088SYSTEM_MAP = \ 1089 $(NM) $1 | \ 1090 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1091 LC_ALL=C sort 1092System.map: u-boot 1093 @$(call SYSTEM_MAP,$<) > $@ 1094 1095checkthumb: 1096 @if test $(call cc-version) -lt 0404; then \ 1097 echo -n '*** Your GCC does not produce working '; \ 1098 echo 'binaries in THUMB mode.'; \ 1099 echo '*** Your board is configured for THUMB mode.'; \ 1100 false; \ 1101 fi 1102 1103# GCC 3.x is reported to have problems generating the type of relocation 1104# that U-Boot wants. 1105# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 1106checkgcc4: 1107 @if test $(call cc-version) -lt 0400; then \ 1108 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 1109 false; \ 1110 fi 1111 1112checkdtc: 1113 @if test $(call dtc-version) -lt 0104; then \ 1114 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1115 false; \ 1116 fi 1117 1118quiet_cmd_offsets = GEN $@ 1119 cmd_offsets = $(srctree)/tools/scripts/make-asm-offsets $< $@ 1120 1121include/generated/generic-asm-offsets.h: lib/asm-offsets.s 1122 $(call cmd,offsets) 1123 1124quiet_cmd_asm-offsets.s = CC $@ 1125 cmd_asm-offsets.s = mkdir -p lib; \ 1126 $(CC) -DDO_DEPS_ONLY \ 1127 $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 1128 -o $@ $< -c -S 1129 1130lib/asm-offsets.s: $(srctree)/lib/asm-offsets.c include/config.h 1131 $(call cmd,asm-offsets.s) 1132 1133include/generated/asm-offsets.h: $(CPUDIR)/$(SOC)/asm-offsets.s 1134 $(call cmd,offsets) 1135 1136quiet_cmd_soc_asm-offsets.s = CC $@ 1137 cmd_soc_asm-offsets.s = mkdir -p $(CPUDIR)/$(SOC); \ 1138 if [ -f $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 1139 $(CC) -DDO_DEPS_ONLY \ 1140 $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 1141 -o $@ $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 1142 else \ 1143 touch $@; \ 1144 fi 1145 1146$(CPUDIR)/$(SOC)/asm-offsets.s: include/config.h 1147 $(call cmd,soc_asm-offsets.s) 1148 1149######################################################################### 1150 1151# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1152# R_AARCH64_RELATIVE (64-bit). 1153checkarmreloc: u-boot 1154 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1155 grep R_A | sort -u`"; \ 1156 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1157 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1158 echo "$< contains unexpected relocations: $$RELOC"; \ 1159 false; \ 1160 fi 1161 1162env: scripts_basic 1163 $(Q)$(MAKE) $(build)=tools/$@ 1164 1165tools-all: HOST_TOOLS_ALL=y 1166tools-all: env tools ; 1167 1168.PHONY : CHANGELOG 1169CHANGELOG: 1170 git log --no-merges U-Boot-1_1_5.. | \ 1171 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1172 1173include/license.h: tools/bin2header COPYING 1174 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1175######################################################################### 1176 1177### 1178# Cleaning is done on three levels. 1179# make clean Delete most generated files 1180# Leave enough to build external modules 1181# make mrproper Delete the current configuration, and all generated files 1182# make distclean Remove editor backup files, patch leftover files and the like 1183 1184# Directories & files removed with 'make clean' 1185CLEAN_DIRS += $(MODVERDIR) 1186CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1187 board/*/config.tmp board/*/*/config.tmp \ 1188 include/autoconf.mk* include/spl-autoconf.mk \ 1189 include/tpl-autoconf.mk 1190 1191# Directories & files removed with 'make clobber' 1192CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1193 $(shell ls -1 spl 2>/dev/null))) \ 1194 tpl 1195CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot* 1196 1197# Directories & files removed with 'make mrproper' 1198MRPROPER_DIRS += include/config include/generated 1199MRPROPER_FILES += .config .config.old \ 1200 tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1201 include/config.h include/config.mk 1202 1203# clean - Delete most, but leave enough to build external modules 1204# 1205clean: rm-dirs := $(CLEAN_DIRS) 1206clean: rm-files := $(CLEAN_FILES) 1207 1208clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1209 1210clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1211 1212PHONY += $(clean-dirs) clean archclean 1213$(clean-dirs): 1214 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1215 1216# TODO: Do not use *.cfgtmp 1217clean: $(clean-dirs) 1218 $(call cmd,rmdirs) 1219 $(call cmd,rmfiles) 1220 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1221 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1222 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1223 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1224 -o -name '*.symtypes' -o -name 'modules.order' \ 1225 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1226 -o -name '*.gcno' \) -type f -print | xargs rm -f 1227 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1228 -path './nand_spl/*' -type l -print | xargs rm -f 1229 1230# clobber 1231# 1232clobber: rm-dirs := $(CLOBBER_DIRS) 1233clobber: rm-files := $(CLOBBER_FILES) 1234 1235PHONY += clobber 1236 1237clobber: clean 1238 $(call cmd,rmdirs) 1239 $(call cmd,rmfiles) 1240 1241# mrproper - Delete all generated files, including .config 1242# 1243mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1244mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1245mrproper-dirs := $(addprefix _mrproper_,scripts) 1246 1247PHONY += $(mrproper-dirs) mrproper archmrproper 1248$(mrproper-dirs): 1249 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1250 1251mrproper: clobber $(mrproper-dirs) 1252 $(call cmd,rmdirs) 1253 $(call cmd,rmfiles) 1254 @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1255 1256# distclean 1257# 1258PHONY += distclean 1259 1260distclean: mrproper 1261 @find $(srctree) $(RCS_FIND_IGNORE) \ 1262 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1263 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1264 -o -name '.*.rej' \ 1265 -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1266 -type f -print | xargs rm -f 1267 1268backup: 1269 F=`basename $(TOPDIR)` ; cd .. ; \ 1270 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1271 1272 1273# Documentation targets 1274# --------------------------------------------------------------------------- 1275%docs: scripts_basic FORCE 1276 $(Q)$(MAKE) $(build)=scripts build_docproc 1277 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1278 1279# Dummies... 1280PHONY += prepare scripts 1281prepare: ; 1282scripts: ; 1283 1284endif #ifeq ($(config-targets),1) 1285endif #ifeq ($(mixed-targets),1) 1286 1287quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1288 cmd_rmdirs = rm -rf $(rm-dirs) 1289 1290quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1291 cmd_rmfiles = rm -f $(rm-files) 1292 1293# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1294# Usage: 1295# $(Q)$(MAKE) $(clean)=dir 1296clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1297 1298endif # skip-makefile 1299 1300PHONY += FORCE 1301FORCE: 1302 1303# Declare the contents of the .PHONY variable as phony. We keep that 1304# information in a variable so we can use it in if_changed and friends. 1305.PHONY: $(PHONY) 1306