19906090fSTom RiniVERSION = 2015 2112db940STom RiniPATCHLEVEL = 04 3211e4754SWolfgang DenkSUBLEVEL = 48a5c9ca4STom RiniEXTRAVERSION = -rc5 55f30f3beSMasahiro YamadaNAME = 6ae6d1056SWolfgang Denk 76825a95bSMasahiro Yamada# *DOCUMENTATION* 86825a95bSMasahiro Yamada# To see a list of typical targets execute "make help" 96825a95bSMasahiro Yamada# More info can be located in ./README 106825a95bSMasahiro Yamada# Comments in this file are targeted only to the developer, do not 116825a95bSMasahiro Yamada# expect to learn how to build the kernel reading this file. 126825a95bSMasahiro Yamada 13ffe29ebcSMasahiro Yamada# Do not use make's built-in rules and variables 146825a95bSMasahiro Yamada# (this increases performance and avoids hard-to-debug behaviour); 15ffe29ebcSMasahiro YamadaMAKEFLAGS += -rR 166825a95bSMasahiro Yamada 176825a95bSMasahiro Yamada# Avoid funny character set dependencies 186825a95bSMasahiro Yamadaunexport LC_ALL 196825a95bSMasahiro YamadaLC_COLLATE=C 206825a95bSMasahiro YamadaLC_NUMERIC=C 216825a95bSMasahiro Yamadaexport LC_COLLATE LC_NUMERIC 226825a95bSMasahiro Yamada 23ffe29ebcSMasahiro Yamada# Avoid interference with shell env settings 24ffe29ebcSMasahiro Yamadaunexport GREP_OPTIONS 25ffe29ebcSMasahiro Yamada 266825a95bSMasahiro Yamada# We are using a recursive build, so we need to do a little thinking 276825a95bSMasahiro Yamada# to get the ordering right. 286825a95bSMasahiro Yamada# 296825a95bSMasahiro Yamada# Most importantly: sub-Makefiles should only ever modify files in 306825a95bSMasahiro Yamada# their own directory. If in some directory we have a dependency on 316825a95bSMasahiro Yamada# a file in another dir (which doesn't happen often, but it's often 326825a95bSMasahiro Yamada# unavoidable when linking the built-in.o targets which finally 336825a95bSMasahiro Yamada# turn into vmlinux), we will call a sub make in that other dir, and 346825a95bSMasahiro Yamada# after that we are sure that everything which is in that other dir 356825a95bSMasahiro Yamada# is now up to date. 366825a95bSMasahiro Yamada# 376825a95bSMasahiro Yamada# The only cases where we need to modify files which have global 386825a95bSMasahiro Yamada# effects are thus separated out and done before the recursive 396825a95bSMasahiro Yamada# descending is started. They are now explicitly listed as the 406825a95bSMasahiro Yamada# prepare rule. 416825a95bSMasahiro Yamada 42ffe29ebcSMasahiro Yamada# Beautify output 43ffe29ebcSMasahiro Yamada# --------------------------------------------------------------------------- 44ffe29ebcSMasahiro Yamada# 45ffe29ebcSMasahiro Yamada# Normally, we echo the whole command before executing it. By making 46ffe29ebcSMasahiro Yamada# that echo $($(quiet)$(cmd)), we now have the possibility to set 47ffe29ebcSMasahiro Yamada# $(quiet) to choose other forms of output instead, e.g. 48ffe29ebcSMasahiro Yamada# 49ffe29ebcSMasahiro Yamada# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 50ffe29ebcSMasahiro Yamada# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 51ffe29ebcSMasahiro Yamada# 52ffe29ebcSMasahiro Yamada# If $(quiet) is empty, the whole command will be printed. 53ffe29ebcSMasahiro Yamada# If it is set to "quiet_", only the short version will be printed. 54ffe29ebcSMasahiro Yamada# If it is set to "silent_", nothing will be printed at all, since 55ffe29ebcSMasahiro Yamada# the variable $(silent_cmd_cc_o_c) doesn't exist. 56ffe29ebcSMasahiro Yamada# 57ffe29ebcSMasahiro Yamada# A simple variant is to prefix commands with $(Q) - that's useful 58ffe29ebcSMasahiro Yamada# for commands that shall be hidden in non-verbose mode. 59ffe29ebcSMasahiro Yamada# 60ffe29ebcSMasahiro Yamada# $(Q)ln $@ :< 61ffe29ebcSMasahiro Yamada# 62ffe29ebcSMasahiro Yamada# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 63ffe29ebcSMasahiro Yamada# If KBUILD_VERBOSE equals 1 then the above command is displayed. 64ffe29ebcSMasahiro Yamada# 656825a95bSMasahiro Yamada# To put more focus on warnings, be less verbose as default 666825a95bSMasahiro Yamada# Use 'make V=1' to see the full commands 676825a95bSMasahiro Yamada 686825a95bSMasahiro Yamadaifeq ("$(origin V)", "command line") 696825a95bSMasahiro Yamada KBUILD_VERBOSE = $(V) 707ebf7443Swdenkendif 716825a95bSMasahiro Yamadaifndef KBUILD_VERBOSE 726825a95bSMasahiro Yamada KBUILD_VERBOSE = 0 736825a95bSMasahiro Yamadaendif 746825a95bSMasahiro Yamada 75ffe29ebcSMasahiro Yamadaifeq ($(KBUILD_VERBOSE),1) 76ffe29ebcSMasahiro Yamada quiet = 77ffe29ebcSMasahiro Yamada Q = 78ffe29ebcSMasahiro Yamadaelse 79ffe29ebcSMasahiro Yamada quiet=quiet_ 80ffe29ebcSMasahiro Yamada Q = @ 816825a95bSMasahiro Yamadaendif 826825a95bSMasahiro Yamada 83ffe29ebcSMasahiro Yamada# If the user is running make -s (silent mode), suppress echoing of 84ffe29ebcSMasahiro Yamada# commands 85ffe29ebcSMasahiro Yamada 86ffe29ebcSMasahiro Yamadaifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 87ffe29ebcSMasahiro Yamadaifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) 88ffe29ebcSMasahiro Yamada quiet=silent_ 89ffe29ebcSMasahiro Yamadaendif 90ffe29ebcSMasahiro Yamadaelse # make-3.8x 91ffe29ebcSMasahiro Yamadaifneq ($(filter s% -s%,$(MAKEFLAGS)),) 92ffe29ebcSMasahiro Yamada quiet=silent_ 93ffe29ebcSMasahiro Yamadaendif 946825a95bSMasahiro Yamadaendif 956825a95bSMasahiro Yamada 96ffe29ebcSMasahiro Yamadaexport quiet Q KBUILD_VERBOSE 976825a95bSMasahiro Yamada 989e414032SMasahiro Yamada# kbuild supports saving output files in a separate directory. 999e414032SMasahiro Yamada# To locate output files in a separate directory two syntaxes are supported. 1009e414032SMasahiro Yamada# In both cases the working directory must be the root of the kernel src. 1019e414032SMasahiro Yamada# 1) O= 1029e414032SMasahiro Yamada# Use "make O=dir/to/store/output/files/" 103f9328639SMarian Balakowicz# 1049e414032SMasahiro Yamada# 2) Set KBUILD_OUTPUT 1059e414032SMasahiro Yamada# Set the environment variable KBUILD_OUTPUT to point to the directory 1069e414032SMasahiro Yamada# where the output files shall be placed. 1079e414032SMasahiro Yamada# export KBUILD_OUTPUT=dir/to/store/output/files/ 1089e414032SMasahiro Yamada# make 109f9328639SMarian Balakowicz# 1109e414032SMasahiro Yamada# The O= assignment takes precedence over the KBUILD_OUTPUT environment 1119e414032SMasahiro Yamada# variable. 1127ebf7443Swdenk 1139e414032SMasahiro Yamada# KBUILD_SRC is set on invocation of make in OBJ directory 1149e414032SMasahiro Yamada# KBUILD_SRC is not intended to be used by the regular user (for now) 1159e414032SMasahiro Yamadaifeq ($(KBUILD_SRC),) 1169e414032SMasahiro Yamada 1179e414032SMasahiro Yamada# OK, Make called in directory where kernel src resides 1189e414032SMasahiro Yamada# Do we want to locate output files in a separate directory? 119f9328639SMarian Balakowiczifeq ("$(origin O)", "command line") 1209e414032SMasahiro Yamada KBUILD_OUTPUT := $(O) 121f9328639SMarian Balakowiczendif 1227ebf7443Swdenk 1239e414032SMasahiro Yamada# That's our default target when none is given on the command line 1249e414032SMasahiro YamadaPHONY := _all 1259e414032SMasahiro Yamada_all: 1269e414032SMasahiro Yamada 1279e414032SMasahiro Yamada# Cancel implicit rules on top Makefile 1289e414032SMasahiro Yamada$(CURDIR)/Makefile Makefile: ; 1299e414032SMasahiro Yamada 1309e414032SMasahiro Yamadaifneq ($(KBUILD_OUTPUT),) 1319e414032SMasahiro Yamada# Invoke a second make in the output directory, passing relevant variables 1329e414032SMasahiro Yamada# check that the output directory actually exists 1339e414032SMasahiro Yamadasaved-output := $(KBUILD_OUTPUT) 1345a449d75SMasahiro YamadaKBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ 1355a449d75SMasahiro Yamada && /bin/pwd) 1369e414032SMasahiro Yamada$(if $(KBUILD_OUTPUT),, \ 137598e2d33SMasahiro Yamada $(error failed to create output directory "$(saved-output)")) 1389e414032SMasahiro Yamada 1399e414032SMasahiro YamadaPHONY += $(MAKECMDGOALS) sub-make 1409e414032SMasahiro Yamada 1419e414032SMasahiro Yamada$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 1429e414032SMasahiro Yamada @: 1439e414032SMasahiro Yamada 1449e414032SMasahiro Yamadasub-make: FORCE 145ffe29ebcSMasahiro Yamada $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \ 146ffe29ebcSMasahiro Yamada -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) 1479e414032SMasahiro Yamada 1489e414032SMasahiro Yamada# Leave processing to above invocation of make 1499e414032SMasahiro Yamadaskip-makefile := 1 1509e414032SMasahiro Yamadaendif # ifneq ($(KBUILD_OUTPUT),) 1519e414032SMasahiro Yamadaendif # ifeq ($(KBUILD_SRC),) 1529e414032SMasahiro Yamada 1539e414032SMasahiro Yamada# We process the rest of the Makefile if this is the final invocation of make 1549e414032SMasahiro Yamadaifeq ($(skip-makefile),) 1559e414032SMasahiro Yamada 156ffe29ebcSMasahiro Yamada# Do not print "Entering directory ...", 157ffe29ebcSMasahiro Yamada# but we want to display it when entering to the output directory 158ffe29ebcSMasahiro Yamada# so that IDEs/editors are able to understand relative filenames. 159ffe29ebcSMasahiro YamadaMAKEFLAGS += --no-print-directory 160ffe29ebcSMasahiro Yamada 161ffe29ebcSMasahiro Yamada# Call a source code checker (by default, "sparse") as part of the 162ffe29ebcSMasahiro Yamada# C compilation. 163ffe29ebcSMasahiro Yamada# 164ffe29ebcSMasahiro Yamada# Use 'make C=1' to enable checking of only re-compiled files. 165ffe29ebcSMasahiro Yamada# Use 'make C=2' to enable checking of *all* source files, regardless 166ffe29ebcSMasahiro Yamada# of whether they are re-compiled or not. 167ffe29ebcSMasahiro Yamada# 168ffe29ebcSMasahiro Yamada# See the file "Documentation/sparse.txt" for more details, including 169ffe29ebcSMasahiro Yamada# where to get the "sparse" utility. 170ffe29ebcSMasahiro Yamada 171ffe29ebcSMasahiro Yamadaifeq ("$(origin C)", "command line") 172ffe29ebcSMasahiro Yamada KBUILD_CHECKSRC = $(C) 173ffe29ebcSMasahiro Yamadaendif 174ffe29ebcSMasahiro Yamadaifndef KBUILD_CHECKSRC 175ffe29ebcSMasahiro Yamada KBUILD_CHECKSRC = 0 176ffe29ebcSMasahiro Yamadaendif 177ffe29ebcSMasahiro Yamada 178ffe29ebcSMasahiro Yamada# Use make M=dir to specify directory of external module to build 179ffe29ebcSMasahiro Yamada# Old syntax make ... SUBDIRS=$PWD is still supported 180ffe29ebcSMasahiro Yamada# Setting the environment variable KBUILD_EXTMOD take precedence 181ffe29ebcSMasahiro Yamadaifdef SUBDIRS 182ffe29ebcSMasahiro Yamada KBUILD_EXTMOD ?= $(SUBDIRS) 183ffe29ebcSMasahiro Yamadaendif 184ffe29ebcSMasahiro Yamada 185ffe29ebcSMasahiro Yamadaifeq ("$(origin M)", "command line") 186ffe29ebcSMasahiro Yamada KBUILD_EXTMOD := $(M) 187ffe29ebcSMasahiro Yamadaendif 188ffe29ebcSMasahiro Yamada 1896825a95bSMasahiro Yamada# If building an external module we do not care about the all: rule 1906825a95bSMasahiro Yamada# but instead _all depend on modules 1919e414032SMasahiro YamadaPHONY += all 1926825a95bSMasahiro Yamadaifeq ($(KBUILD_EXTMOD),) 1939e414032SMasahiro Yamada_all: all 1946825a95bSMasahiro Yamadaelse 1956825a95bSMasahiro Yamada_all: modules 1966825a95bSMasahiro Yamadaendif 1979e414032SMasahiro Yamada 198ffe29ebcSMasahiro Yamadaifeq ($(KBUILD_SRC),) 199ffe29ebcSMasahiro Yamada # building in the source tree 200ffe29ebcSMasahiro Yamada srctree := . 201ffe29ebcSMasahiro Yamadaelse 202ffe29ebcSMasahiro Yamada ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR))) 203ffe29ebcSMasahiro Yamada # building in a subdirectory of the source tree 204ffe29ebcSMasahiro Yamada srctree := .. 205ffe29ebcSMasahiro Yamada else 206ffe29ebcSMasahiro Yamada srctree := $(KBUILD_SRC) 207ffe29ebcSMasahiro Yamada endif 208ffe29ebcSMasahiro Yamadaendif 209ffe29ebcSMasahiro Yamadaobjtree := . 2109e414032SMasahiro Yamadasrc := $(srctree) 2119e414032SMasahiro Yamadaobj := $(objtree) 2129e414032SMasahiro Yamada 2139e414032SMasahiro YamadaVPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 2149e414032SMasahiro Yamada 2159e414032SMasahiro Yamadaexport srctree objtree VPATH 2169e414032SMasahiro Yamada 2175013c09fSWolfgang Denk# Make sure CDPATH settings don't interfere 2185013c09fSWolfgang Denkunexport CDPATH 2195013c09fSWolfgang Denk 220f9328639SMarian Balakowicz######################################################################### 221f9328639SMarian Balakowicz 2227ebf7443SwdenkHOSTARCH := $(shell uname -m | \ 2237ebf7443Swdenk sed -e s/i.86/x86/ \ 2247ebf7443Swdenk -e s/sun4u/sparc64/ \ 2257ebf7443Swdenk -e s/arm.*/arm/ \ 2267ebf7443Swdenk -e s/sa110/arm/ \ 2277ebf7443Swdenk -e s/ppc64/powerpc/ \ 2287ebf7443Swdenk -e s/ppc/powerpc/ \ 2297ebf7443Swdenk -e s/macppc/powerpc/\ 2307ebf7443Swdenk -e s/sh.*/sh/) 2317ebf7443Swdenk 2327ebf7443SwdenkHOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 2337ebf7443Swdenk sed -e 's/\(cygwin\).*/cygwin/') 2347ebf7443Swdenk 2357ebf7443Swdenkexport HOSTARCH HOSTOS 2367ebf7443Swdenk 2377ebf7443Swdenk######################################################################### 238f9328639SMarian Balakowicz 2391ea6bcd8SMike Frysinger# set default to nothing for native builds 240a5284efdSWolfgang Denkifeq ($(HOSTARCH),$(ARCH)) 2411ea6bcd8SMike FrysingerCROSS_COMPILE ?= 2427ebf7443Swdenkendif 2437ebf7443Swdenk 24451148790SMasahiro YamadaKCONFIG_CONFIG ?= .config 24551148790SMasahiro Yamadaexport KCONFIG_CONFIG 24651148790SMasahiro Yamada 247f6322eb7SMasahiro Yamada# SHELL used by kbuild 248f6322eb7SMasahiro YamadaCONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 249f6322eb7SMasahiro Yamada else if [ -x /bin/bash ]; then echo /bin/bash; \ 250f6322eb7SMasahiro Yamada else echo sh; fi ; fi) 251f6322eb7SMasahiro Yamada 252b477fe44SJeroen HofsteeHOSTCC = cc 253b477fe44SJeroen HofsteeHOSTCXX = c++ 254f6322eb7SMasahiro YamadaHOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 255598e2d33SMasahiro YamadaHOSTCXXFLAGS = -O2 256598e2d33SMasahiro Yamada 257f6322eb7SMasahiro Yamadaifeq ($(HOSTOS),cygwin) 258f6322eb7SMasahiro YamadaHOSTCFLAGS += -ansi 259f6322eb7SMasahiro Yamadaendif 260f6322eb7SMasahiro Yamada 261f6322eb7SMasahiro Yamada# Mac OS X / Darwin's C preprocessor is Apple specific. It 262f6322eb7SMasahiro Yamada# generates numerous errors and warnings. We want to bypass it 263f6322eb7SMasahiro Yamada# and use GNU C's cpp. To do this we pass the -traditional-cpp 264f6322eb7SMasahiro Yamada# option to the compiler. Note that the -traditional-cpp flag 265f6322eb7SMasahiro Yamada# DOES NOT have the same semantics as GNU C's flag, all it does 266f6322eb7SMasahiro Yamada# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 267f6322eb7SMasahiro Yamada# 268f6322eb7SMasahiro Yamada# Apple's linker is similar, thanks to the new 2 stage linking 269f6322eb7SMasahiro Yamada# multiple symbol definitions are treated as errors, hence the 270f6322eb7SMasahiro Yamada# -multiply_defined suppress option to turn off this error. 271f6322eb7SMasahiro Yamada# 272f6322eb7SMasahiro Yamadaifeq ($(HOSTOS),darwin) 273f6322eb7SMasahiro Yamada# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 274f6322eb7SMasahiro YamadaDARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 275f6322eb7SMasahiro YamadaDARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 276f6322eb7SMasahiro Yamada 277f6322eb7SMasahiro Yamadaos_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 278f6322eb7SMasahiro Yamada $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 279f6322eb7SMasahiro Yamada 280f6322eb7SMasahiro Yamada# Snow Leopards build environment has no longer restrictions as described above 281f6322eb7SMasahiro YamadaHOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 282f6322eb7SMasahiro YamadaHOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 283f6322eb7SMasahiro YamadaHOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 2841fddd7b6SAndreas Bießmann 2851fddd7b6SAndreas Bießmann# since Lion (10.7) ASLR is on by default, but we use linker generated lists 2861fddd7b6SAndreas Bießmann# in some host tools which is a problem then ... so disable ASLR for these 2871fddd7b6SAndreas Bießmann# tools 2881fddd7b6SAndreas BießmannHOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie") 289f6322eb7SMasahiro Yamadaendif 290f6322eb7SMasahiro Yamada 2916825a95bSMasahiro Yamada# Decide whether to build built-in, modular, or both. 2926825a95bSMasahiro Yamada# Normally, just do built-in. 2936825a95bSMasahiro Yamada 2946825a95bSMasahiro YamadaKBUILD_MODULES := 2956825a95bSMasahiro YamadaKBUILD_BUILTIN := 1 2966825a95bSMasahiro Yamada 2976825a95bSMasahiro Yamada# If we have only "make modules", don't compile built-in objects. 2986825a95bSMasahiro Yamada# When we're building modules with modversions, we need to consider 2996825a95bSMasahiro Yamada# the built-in objects during the descend as well, in order to 3006825a95bSMasahiro Yamada# make sure the checksums are up to date before we record them. 3016825a95bSMasahiro Yamada 3026825a95bSMasahiro Yamadaifeq ($(MAKECMDGOALS),modules) 3036825a95bSMasahiro Yamada KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 3046825a95bSMasahiro Yamadaendif 3056825a95bSMasahiro Yamada 3066825a95bSMasahiro Yamada# If we have "make <whatever> modules", compile modules 3076825a95bSMasahiro Yamada# in addition to whatever we do anyway. 3086825a95bSMasahiro Yamada# Just "make" or "make all" shall build modules as well 3096825a95bSMasahiro Yamada 3106825a95bSMasahiro Yamada# U-Boot does not need modules 3116825a95bSMasahiro Yamada#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 3126825a95bSMasahiro Yamada# KBUILD_MODULES := 1 3136825a95bSMasahiro Yamada#endif 3146825a95bSMasahiro Yamada 3156825a95bSMasahiro Yamada#ifeq ($(MAKECMDGOALS),) 3166825a95bSMasahiro Yamada# KBUILD_MODULES := 1 3176825a95bSMasahiro Yamada#endif 3186825a95bSMasahiro Yamada 3196825a95bSMasahiro Yamadaexport KBUILD_MODULES KBUILD_BUILTIN 3206825a95bSMasahiro Yamadaexport KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 3216825a95bSMasahiro Yamada 3229e414032SMasahiro Yamada# Look for make include files relative to root of kernel src 3239e414032SMasahiro YamadaMAKEFLAGS += --include-dir=$(srctree) 3249e414032SMasahiro Yamada 325bf4b3de1SMasahiro Yamada# We need some generic definitions (do not try to remake the file). 326bf4b3de1SMasahiro Yamada$(srctree)/scripts/Kbuild.include: ; 327bf4b3de1SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include 328bf4b3de1SMasahiro Yamada 329f6322eb7SMasahiro Yamada# Make variables (CC, etc...) 330f6322eb7SMasahiro Yamada 331f6322eb7SMasahiro YamadaAS = $(CROSS_COMPILE)as 332f6322eb7SMasahiro Yamada# Always use GNU ld 333f6322eb7SMasahiro Yamadaifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 334f6322eb7SMasahiro YamadaLD = $(CROSS_COMPILE)ld.bfd 335f6322eb7SMasahiro Yamadaelse 336f6322eb7SMasahiro YamadaLD = $(CROSS_COMPILE)ld 337f6322eb7SMasahiro Yamadaendif 338f6322eb7SMasahiro YamadaCC = $(CROSS_COMPILE)gcc 339f6322eb7SMasahiro YamadaCPP = $(CC) -E 340f6322eb7SMasahiro YamadaAR = $(CROSS_COMPILE)ar 341f6322eb7SMasahiro YamadaNM = $(CROSS_COMPILE)nm 342f6322eb7SMasahiro YamadaLDR = $(CROSS_COMPILE)ldr 343f6322eb7SMasahiro YamadaSTRIP = $(CROSS_COMPILE)strip 344f6322eb7SMasahiro YamadaOBJCOPY = $(CROSS_COMPILE)objcopy 345f6322eb7SMasahiro YamadaOBJDUMP = $(CROSS_COMPILE)objdump 346f6322eb7SMasahiro YamadaAWK = awk 347f77d7096SMasahiro YamadaPERL = perl 34851148790SMasahiro YamadaPYTHON = python 349f6322eb7SMasahiro YamadaDTC = dtc 350f6322eb7SMasahiro YamadaCHECK = sparse 351f6322eb7SMasahiro Yamada 352f6322eb7SMasahiro YamadaCHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 353f6322eb7SMasahiro Yamada -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 354f6322eb7SMasahiro Yamada 3553b612970SMasahiro YamadaKBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__ 3562b3c9d3dSMasahiro Yamada 3572b3c9d3dSMasahiro YamadaKBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 3582b3c9d3dSMasahiro Yamada -Wno-format-security \ 3592b3c9d3dSMasahiro Yamada -fno-builtin -ffreestanding 3602b3c9d3dSMasahiro YamadaKBUILD_AFLAGS := -D__ASSEMBLY__ 3612b3c9d3dSMasahiro Yamada 3627424145fSMasahiro Yamada# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 3637424145fSMasahiro YamadaUBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 3647424145fSMasahiro YamadaUBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 3655f30f3beSMasahiro Yamada 3667424145fSMasahiro Yamadaexport VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 367026f9cf2SMasahiro Yamadaexport ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 368f6322eb7SMasahiro Yamadaexport CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 369f6322eb7SMasahiro Yamadaexport CPP AR NM LDR STRIP OBJCOPY OBJDUMP 37051148790SMasahiro Yamadaexport MAKE AWK PERL PYTHON 37115c939f9SMasahiro Yamadaexport HOSTCXX HOSTCXXFLAGS DTC CHECK CHECKFLAGS 372f6322eb7SMasahiro Yamada 373026f9cf2SMasahiro Yamadaexport KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 3742b3c9d3dSMasahiro Yamadaexport KBUILD_CFLAGS KBUILD_AFLAGS 3752b3c9d3dSMasahiro Yamada 3766825a95bSMasahiro Yamada# When compiling out-of-tree modules, put MODVERDIR in the module 3776825a95bSMasahiro Yamada# tree rather than in the kernel tree. The kernel tree might 3786825a95bSMasahiro Yamada# even be read-only. 3796825a95bSMasahiro Yamadaexport MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 3806825a95bSMasahiro Yamada 3816825a95bSMasahiro Yamada# Files to ignore in find ... statements 3826825a95bSMasahiro Yamada 383598e2d33SMasahiro Yamadaexport RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ 384598e2d33SMasahiro Yamada -name CVS -o -name .pc -o -name .hg -o -name .git \) \ 385598e2d33SMasahiro Yamada -prune -o 3866825a95bSMasahiro Yamadaexport RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 3876825a95bSMasahiro Yamada --exclude CVS --exclude .pc --exclude .hg --exclude .git 3886825a95bSMasahiro Yamada 3896825a95bSMasahiro Yamada# =========================================================================== 3906825a95bSMasahiro Yamada# Rules shared between *config targets and build targets 3916825a95bSMasahiro Yamada 3926825a95bSMasahiro Yamada# Basic helpers built in scripts/ 3936825a95bSMasahiro YamadaPHONY += scripts_basic 3946825a95bSMasahiro Yamadascripts_basic: 3956825a95bSMasahiro Yamada $(Q)$(MAKE) $(build)=scripts/basic 3966825a95bSMasahiro Yamada $(Q)rm -f .tmp_quiet_recordmcount 3976825a95bSMasahiro Yamada 3986825a95bSMasahiro Yamada# To avoid any implicit rule to kick in, define an empty command. 3996825a95bSMasahiro Yamadascripts/basic/%: scripts_basic ; 4006825a95bSMasahiro Yamada 4013341bfecSMasahiro YamadaPHONY += outputmakefile 4023341bfecSMasahiro Yamada# outputmakefile generates a Makefile in the output directory, if using a 4033341bfecSMasahiro Yamada# separate output directory. This allows convenient use of make in the 4043341bfecSMasahiro Yamada# output directory. 4053341bfecSMasahiro Yamadaoutputmakefile: 4063341bfecSMasahiro Yamadaifneq ($(KBUILD_SRC),) 4073341bfecSMasahiro Yamada $(Q)ln -fsn $(srctree) source 4083341bfecSMasahiro Yamada $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 4093341bfecSMasahiro Yamada $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 4103341bfecSMasahiro Yamadaendif 4113341bfecSMasahiro Yamada 412433b2f1eSMasahiro Yamada# To make sure we do not include .config for any of the *config targets 413433b2f1eSMasahiro Yamada# catch them early, and hand them over to scripts/kconfig/Makefile 414433b2f1eSMasahiro Yamada# It is allowed to specify more targets when calling make, including 415433b2f1eSMasahiro Yamada# mixing *config targets and build targets. 416433b2f1eSMasahiro Yamada# For example 'make oldconfig all'. 417433b2f1eSMasahiro Yamada# Detect when mixed targets is specified, and make a second invocation 418433b2f1eSMasahiro Yamada# of make so .config is not included in this case either (for *config). 4196825a95bSMasahiro Yamada 4207424145fSMasahiro Yamadaversion_h := include/generated/version_autogenerated.h 4217424145fSMasahiro Yamadatimestamp_h := include/generated/timestamp_autogenerated.h 4227424145fSMasahiro Yamada 423433b2f1eSMasahiro Yamadano-dot-config-targets := clean clobber mrproper distclean \ 42427651187SMasahiro Yamada help %docs check% coccicheck \ 425c7ad5cbbSTom Rini ubootversion backup 4262b3c9d3dSMasahiro Yamada 427433b2f1eSMasahiro Yamadaconfig-targets := 0 428433b2f1eSMasahiro Yamadamixed-targets := 0 429433b2f1eSMasahiro Yamadadot-config := 1 4302b3c9d3dSMasahiro Yamada 431433b2f1eSMasahiro Yamadaifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 432433b2f1eSMasahiro Yamada ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 433433b2f1eSMasahiro Yamada dot-config := 0 4342b3c9d3dSMasahiro Yamada endif 4352b3c9d3dSMasahiro Yamadaendif 4362b3c9d3dSMasahiro Yamada 437433b2f1eSMasahiro Yamadaifeq ($(KBUILD_EXTMOD),) 438433b2f1eSMasahiro Yamada ifneq ($(filter config %config,$(MAKECMDGOALS)),) 439433b2f1eSMasahiro Yamada config-targets := 1 440433b2f1eSMasahiro Yamada ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 441433b2f1eSMasahiro Yamada mixed-targets := 1 442433b2f1eSMasahiro Yamada endif 443433b2f1eSMasahiro Yamada endif 444433b2f1eSMasahiro Yamadaendif 445433b2f1eSMasahiro Yamada 446433b2f1eSMasahiro Yamadaifeq ($(mixed-targets),1) 447433b2f1eSMasahiro Yamada# =========================================================================== 448433b2f1eSMasahiro Yamada# We're called with mixed targets (*config and build targets). 449433b2f1eSMasahiro Yamada# Handle them one by one. 450433b2f1eSMasahiro Yamada 451e7734404SMasahiro YamadaPHONY += $(MAKECMDGOALS) __build_one_by_one 45253bca5abSMasahiro Yamada 453e7734404SMasahiro Yamada$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one 45453bca5abSMasahiro Yamada @: 45553bca5abSMasahiro Yamada 456e7734404SMasahiro Yamada__build_one_by_one: 45753bca5abSMasahiro Yamada $(Q)set -e; \ 45853bca5abSMasahiro Yamada for i in $(MAKECMDGOALS); do \ 45953bca5abSMasahiro Yamada $(MAKE) -f $(srctree)/Makefile $$i; \ 46053bca5abSMasahiro Yamada done 461433b2f1eSMasahiro Yamada 462433b2f1eSMasahiro Yamadaelse 463433b2f1eSMasahiro Yamadaifeq ($(config-targets),1) 464433b2f1eSMasahiro Yamada# =========================================================================== 465433b2f1eSMasahiro Yamada# *config targets only - make sure prerequisites are updated, and descend 466433b2f1eSMasahiro Yamada# in scripts/kconfig to make the *config target 467433b2f1eSMasahiro Yamada 46851148790SMasahiro YamadaKBUILD_DEFCONFIG := sandbox_defconfig 46951148790SMasahiro Yamadaexport KBUILD_DEFCONFIG KBUILD_KCONFIG 470433b2f1eSMasahiro Yamada 47151148790SMasahiro Yamadaconfig: scripts_basic outputmakefile FORCE 4725f9eb220SMasahiro Yamada $(Q)$(MAKE) $(build)=scripts/kconfig $@ 47351148790SMasahiro Yamada 47451148790SMasahiro Yamada%config: scripts_basic outputmakefile FORCE 4755f9eb220SMasahiro Yamada $(Q)$(MAKE) $(build)=scripts/kconfig $@ 476433b2f1eSMasahiro Yamada 477433b2f1eSMasahiro Yamadaelse 478433b2f1eSMasahiro Yamada# =========================================================================== 479433b2f1eSMasahiro Yamada# Build targets only - this includes vmlinux, arch specific targets, clean 480433b2f1eSMasahiro Yamada# targets and others. In general all targets except *config targets. 481433b2f1eSMasahiro Yamada 482433b2f1eSMasahiro Yamadaifeq ($(dot-config),1) 483433b2f1eSMasahiro Yamada# Read in config 48451148790SMasahiro Yamada-include include/config/auto.conf 48551148790SMasahiro Yamada 48651148790SMasahiro Yamada# Read in dependencies to all Kconfig* files, make sure to run 48751148790SMasahiro Yamada# oldconfig if changes are detected. 48851148790SMasahiro Yamada-include include/config/auto.conf.cmd 48951148790SMasahiro Yamada 49051148790SMasahiro Yamada# To avoid any implicit rule to kick in, define an empty command 49151148790SMasahiro Yamada$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; 49251148790SMasahiro Yamada 49351148790SMasahiro Yamada# If .config is newer than include/config/auto.conf, someone tinkered 49451148790SMasahiro Yamada# with it and forgot to run make oldconfig. 49551148790SMasahiro Yamada# if auto.conf.cmd is missing then we are probably in a cleaned tree so 49651148790SMasahiro Yamada# we execute the config step to be sure to catch updated Kconfig files 49751148790SMasahiro Yamadainclude/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd 49851148790SMasahiro Yamada $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig 4995f9eb220SMasahiro Yamada @# If the following part fails, include/config/auto.conf should be 5005f9eb220SMasahiro Yamada @# deleted so "make silentoldconfig" will be re-run on the next build. 5015f9eb220SMasahiro Yamada $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \ 5025f9eb220SMasahiro Yamada { rm -f include/config/auto.conf; false; } 5035f9eb220SMasahiro Yamada @# include/config.h has been updated after "make silentoldconfig". 5045f9eb220SMasahiro Yamada @# We need to touch include/config/auto.conf so it gets newer 5055f9eb220SMasahiro Yamada @# than include/config.h. 5065f9eb220SMasahiro Yamada @# Otherwise, 'make silentoldconfig' would be invoked twice. 5075f9eb220SMasahiro Yamada $(Q)touch include/config/auto.conf 50851148790SMasahiro Yamada 509433b2f1eSMasahiro Yamada-include include/autoconf.mk 510433b2f1eSMasahiro Yamada-include include/autoconf.mk.dep 511433b2f1eSMasahiro Yamada 51251148790SMasahiro Yamada# We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf 51351148790SMasahiro Yamada# is up-to-date. When we switch to a different board configuration, old CONFIG 51451148790SMasahiro Yamada# macros are still remaining in include/config/auto.conf. Without the following 51551148790SMasahiro Yamada# gimmick, wrong config.mk would be included leading nasty warnings/errors. 516*cffcd286SMasahiro Yamadaifneq ($(wildcard $(KCONFIG_CONFIG)),) 517*cffcd286SMasahiro Yamadaifneq ($(wildcard include/config/auto.conf),) 518*cffcd286SMasahiro Yamadaautoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \ 519*cffcd286SMasahiro Yamada include/config/auto.conf) 520*cffcd286SMasahiro Yamadaifeq ($(autoconf_is_old),) 521433b2f1eSMasahiro Yamadainclude $(srctree)/config.mk 522e19db555SDaniel Schwierzeckinclude $(srctree)/arch/$(ARCH)/Makefile 523ced0715dSMasahiro Yamadaendif 524*cffcd286SMasahiro Yamadaendif 525*cffcd286SMasahiro Yamadaendif 526fada9e20SSimon Glass 527d51dfff7SIlya Yanok# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 528d51dfff7SIlya Yanok# that (or fail if absent). Otherwise, search for a linker script in a 529d51dfff7SIlya Yanok# standard location. 530d51dfff7SIlya Yanok 531d51dfff7SIlya Yanokifndef LDSCRIPT 5324379ac61SMasahiro Yamada #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 533d51dfff7SIlya Yanok ifdef CONFIG_SYS_LDSCRIPT 534d51dfff7SIlya Yanok # need to strip off double quotes 5354a377552SMasahiro Yamada LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 536d51dfff7SIlya Yanok endif 537d51dfff7SIlya Yanokendif 538d51dfff7SIlya Yanok 539ee60197eSSimon Glass# If there is no specified link script, we look in a number of places for it 540d51dfff7SIlya Yanokifndef LDSCRIPT 541d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 5424379ac61SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 543d51dfff7SIlya Yanok endif 544d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 5454379ac61SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 546d51dfff7SIlya Yanok endif 547d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 5484379ac61SMasahiro Yamada LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 549ee60197eSSimon Glass endif 550d51dfff7SIlya Yanokendif 551d51dfff7SIlya Yanok 552433b2f1eSMasahiro Yamadaelse 55351148790SMasahiro Yamada# Dummy target needed, because used as prerequisite 55451148790SMasahiro Yamadainclude/config/auto.conf: ; 555433b2f1eSMasahiro Yamadaendif # $(dot-config) 556433b2f1eSMasahiro Yamada 5574a8ed8e2SMasahiro Yamadaifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 5584a8ed8e2SMasahiro YamadaKBUILD_CFLAGS += -Os 5594a8ed8e2SMasahiro Yamadaelse 5604a8ed8e2SMasahiro YamadaKBUILD_CFLAGS += -O2 5614a8ed8e2SMasahiro Yamadaendif 562433b2f1eSMasahiro Yamada 563433b2f1eSMasahiro Yamadaifdef BUILD_TAG 564433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 565433b2f1eSMasahiro Yamadaendif 566433b2f1eSMasahiro Yamada 567433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 568433b2f1eSMasahiro Yamada 569433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -g 570433b2f1eSMasahiro Yamada# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 571433b2f1eSMasahiro Yamada# option to the assembler. 572433b2f1eSMasahiro YamadaKBUILD_AFLAGS += -g 573433b2f1eSMasahiro Yamada 574433b2f1eSMasahiro Yamada# Report stack usage if supported 5755b1f1f4aSMasahiro Yamadaifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 5765b1f1f4aSMasahiro Yamada KBUILD_CFLAGS += -fstack-usage 5775b1f1f4aSMasahiro Yamadaendif 578433b2f1eSMasahiro Yamada 579433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 580433b2f1eSMasahiro Yamada 581433b2f1eSMasahiro Yamada# turn jbsr into jsr for m68k 582433b2f1eSMasahiro Yamadaifeq ($(ARCH),m68k) 583433b2f1eSMasahiro Yamadaifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 584433b2f1eSMasahiro YamadaKBUILD_AFLAGS += -Wa,-gstabs,-S 585433b2f1eSMasahiro Yamadaendif 586433b2f1eSMasahiro Yamadaendif 587433b2f1eSMasahiro Yamada 58865bb6d8dSMasahiro Yamada# Prohibit date/time macros, which would make the build non-deterministic 58965bb6d8dSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 59065bb6d8dSMasahiro Yamada 591433b2f1eSMasahiro Yamadaifneq ($(CONFIG_SYS_TEXT_BASE),) 592433b2f1eSMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 593433b2f1eSMasahiro Yamadaendif 594433b2f1eSMasahiro Yamada 595433b2f1eSMasahiro Yamadaexport CONFIG_SYS_TEXT_BASE 596433b2f1eSMasahiro Yamada 5976419e144SMasahiro Yamadainclude $(srctree)/scripts/Makefile.extrawarn 5986419e144SMasahiro Yamada 5990e6256d0SMasahiro Yamada# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 6000e6256d0SMasahiro YamadaKBUILD_CPPFLAGS += $(KCPPFLAGS) 6010e6256d0SMasahiro YamadaKBUILD_AFLAGS += $(KAFLAGS) 6020e6256d0SMasahiro YamadaKBUILD_CFLAGS += $(KCFLAGS) 6030e6256d0SMasahiro Yamada 604433b2f1eSMasahiro Yamada# Use UBOOTINCLUDE when you must reference the include/ directory. 605433b2f1eSMasahiro Yamada# Needed to be compatible with the O= option 606f5c66bdbSMasahiro YamadaUBOOTINCLUDE := \ 607f5c66bdbSMasahiro Yamada -Iinclude \ 608f5c66bdbSMasahiro Yamada $(if $(KBUILD_SRC), -I$(srctree)/include) \ 60951148790SMasahiro Yamada -I$(srctree)/arch/$(ARCH)/include \ 61051148790SMasahiro Yamada -include $(srctree)/include/linux/kconfig.h 611433b2f1eSMasahiro Yamada 612433b2f1eSMasahiro YamadaNOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 613433b2f1eSMasahiro YamadaCHECKFLAGS += $(NOSTDINC_FLAGS) 614433b2f1eSMasahiro Yamada 615433b2f1eSMasahiro Yamada# FIX ME 616026f9cf2SMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 617026f9cf2SMasahiro Yamada $(NOSTDINC_FLAGS) 618433b2f1eSMasahiro Yamadac_flags := $(KBUILD_CFLAGS) $(cpp_flags) 619433b2f1eSMasahiro Yamada 6207ebf7443Swdenk######################################################################### 6217ebf7443Swdenk# U-Boot objects....order is important (i.e. start must be first) 6227ebf7443Swdenk 6239e414032SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 624f9328639SMarian Balakowicz 625656de6b8SMasahiro Yamadalibs-y += lib/ 626656de6b8SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 627656de6b8SMasahiro Yamadalibs-$(CONFIG_OF_EMBED) += dts/ 628656de6b8SMasahiro Yamadalibs-y += fs/ 629656de6b8SMasahiro Yamadalibs-y += net/ 630656de6b8SMasahiro Yamadalibs-y += disk/ 631656de6b8SMasahiro Yamadalibs-y += drivers/ 632656de6b8SMasahiro Yamadalibs-y += drivers/dma/ 633656de6b8SMasahiro Yamadalibs-y += drivers/gpio/ 634656de6b8SMasahiro Yamadalibs-y += drivers/i2c/ 635656de6b8SMasahiro Yamadalibs-y += drivers/mmc/ 636656de6b8SMasahiro Yamadalibs-y += drivers/mtd/ 637656de6b8SMasahiro Yamadalibs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 638656de6b8SMasahiro Yamadalibs-y += drivers/mtd/onenand/ 639656de6b8SMasahiro Yamadalibs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 640656de6b8SMasahiro Yamadalibs-y += drivers/mtd/spi/ 641656de6b8SMasahiro Yamadalibs-y += drivers/net/ 642656de6b8SMasahiro Yamadalibs-y += drivers/net/phy/ 643656de6b8SMasahiro Yamadalibs-y += drivers/pci/ 644656de6b8SMasahiro Yamadalibs-y += drivers/power/ \ 645e2906a59SMasahiro Yamada drivers/power/fuel_gauge/ \ 646e2906a59SMasahiro Yamada drivers/power/mfd/ \ 647e2906a59SMasahiro Yamada drivers/power/pmic/ \ 648e2906a59SMasahiro Yamada drivers/power/battery/ 649656de6b8SMasahiro Yamadalibs-y += drivers/spi/ 650656de6b8SMasahiro Yamadalibs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 651656de6b8SMasahiro Yamadalibs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 652656de6b8SMasahiro Yamadalibs-y += drivers/serial/ 653656de6b8SMasahiro Yamadalibs-y += drivers/usb/eth/ 654656de6b8SMasahiro Yamadalibs-y += drivers/usb/gadget/ 655656de6b8SMasahiro Yamadalibs-y += drivers/usb/host/ 656656de6b8SMasahiro Yamadalibs-y += drivers/usb/musb/ 657656de6b8SMasahiro Yamadalibs-y += drivers/usb/musb-new/ 658656de6b8SMasahiro Yamadalibs-y += drivers/usb/phy/ 659656de6b8SMasahiro Yamadalibs-y += drivers/usb/ulpi/ 660656de6b8SMasahiro Yamadalibs-y += common/ 661656de6b8SMasahiro Yamadalibs-$(CONFIG_API) += api/ 662656de6b8SMasahiro Yamadalibs-$(CONFIG_HAS_POST) += post/ 663656de6b8SMasahiro Yamadalibs-y += test/ 6642e7d35d2SSimon Glasslibs-y += test/dm/ 665f9328639SMarian Balakowicz 66633a02da0SMasahiro Yamadalibs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 66708e39a84SMasahiro Yamada 668656de6b8SMasahiro Yamadalibs-y := $(sort $(libs-y)) 669656de6b8SMasahiro Yamada 670656de6b8SMasahiro Yamadau-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 671656de6b8SMasahiro Yamada 672656de6b8SMasahiro Yamadau-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 673656de6b8SMasahiro Yamada 674656de6b8SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 675656de6b8SMasahiro Yamada 676656de6b8SMasahiro Yamadau-boot-init := $(head-y) 677656de6b8SMasahiro Yamadau-boot-main := $(libs-y) 678656de6b8SMasahiro Yamada 679a8c7c708Swdenk 6804f7cb08eSwdenk# Add GCC lib 681cd2e46cbSMasahiro Yamadaifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 682a86cf89cSMasahiro YamadaPLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 68352b1bf2cSWolfgang Denkelse 6846825a95bSMasahiro YamadaPLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 68552b1bf2cSWolfgang Denkendif 68652b1bf2cSWolfgang DenkPLATFORM_LIBS += $(PLATFORM_LIBGCC) 68752b1bf2cSWolfgang Denkexport PLATFORM_LIBS 688e75e73ddSAlexey Brodkinexport PLATFORM_LIBGCC 6893d3befa7Swdenk 6906ac9f479SMike Frysinger# Special flags for CPP when processing the linker script. 6916ac9f479SMike Frysinger# Pass the version down so we can handle backwards compatibility 6926ac9f479SMike Frysinger# on the fly. 6936ac9f479SMike FrysingerLDPPFLAGS += \ 6944379ac61SMasahiro Yamada -include $(srctree)/include/u-boot/u-boot.lds.h \ 6957e6403a6SSimon Glass -DCPUDIR=$(CPUDIR) \ 6966ac9f479SMike Frysinger $(shell $(LD) --version | \ 6976ac9f479SMike Frysinger sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 6986ac9f479SMike Frysinger 6997ebf7443Swdenk######################################################################### 700bdccc4feSwdenk######################################################################### 7017ebf7443Swdenk 702f3a14d37SMike Frysingerifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 703f3a14d37SMike FrysingerBOARD_SIZE_CHECK = \ 704f3a14d37SMike Frysinger @actual=`wc -c $@ | awk '{print $$1}'`; \ 705d060e6f4SJoe Hershberger limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 706f3a14d37SMike Frysinger if test $$actual -gt $$limit; then \ 707d060e6f4SJoe Hershberger echo "$@ exceeds file size limit:" >&2 ; \ 708d060e6f4SJoe Hershberger echo " limit: $$limit bytes" >&2 ; \ 709d060e6f4SJoe Hershberger echo " actual: $$actual bytes" >&2 ; \ 710d060e6f4SJoe Hershberger echo " excess: $$((actual - limit)) bytes" >&2; \ 711f3a14d37SMike Frysinger exit 1; \ 712f3a14d37SMike Frysinger fi 713f3a14d37SMike Frysingerelse 714f3a14d37SMike FrysingerBOARD_SIZE_CHECK = 715f3a14d37SMike Frysingerendif 716f3a14d37SMike Frysinger 7178137af19SScott Wood# Statically apply RELA-style relocations (currently arm64 only) 7188137af19SScott Woodifneq ($(CONFIG_STATIC_RELA),) 7198137af19SScott Wood# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 7208137af19SScott WoodDO_STATIC_RELA = \ 7218137af19SScott Wood start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 7228137af19SScott Wood end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 7239e414032SMasahiro Yamada tools/relocate-rela $(2) $(3) $$start $$end 7248137af19SScott Woodelse 7258137af19SScott WoodDO_STATIC_RELA = 7268137af19SScott Woodendif 7278137af19SScott Wood 7283e88337bSMike Frysinger# Always append ALL so that arch config.mk's can add custom ones 72989742924SSimon GlassALL-y += u-boot.srec u-boot.bin System.map binary_size_check 730e935a374SHaiying Wang 7319e414032SMasahiro YamadaALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 73289ad7be8SPrabhakar Kushwahaifeq ($(CONFIG_SPL_FSL_PBL),y) 73389ad7be8SPrabhakar KushwahaALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 73489ad7be8SPrabhakar Kushwahaelse 7359e414032SMasahiro YamadaALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 73689ad7be8SPrabhakar Kushwahaendif 7379e414032SMasahiro YamadaALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 7389e414032SMasahiro YamadaALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 7399e414032SMasahiro YamadaALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 7400d1e8aacSMasahiro YamadaALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 7412405d09cSMasahiro Yamadaifeq ($(CONFIG_SPL_FRAMEWORK),y) 7422405d09cSMasahiro YamadaALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 7432405d09cSMasahiro Yamadaendif 744714a5621SSimon GlassALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 745b343bbb5SVadim Bendeburyifneq ($(CONFIG_SPL_TARGET),) 7469e414032SMasahiro YamadaALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 747b343bbb5SVadim Bendeburyendif 7489e414032SMasahiro YamadaALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 7497ebf7443Swdenk 750eea0f112SSimon Glassifneq ($(BUILD_ROM),) 751eea0f112SSimon GlassALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 752eea0f112SSimon Glassendif 753fce7b276SSimon Glass 75412b7b70cSAllen Martin# enable combined SPL/u-boot/dtb rules for tegra 7556d6c0baeSTom Warrenifneq ($(CONFIG_TEGRA),) 7567dcd3a21SVidya Sagarifeq ($(CONFIG_SPL),y) 75712b7b70cSAllen Martinifeq ($(CONFIG_OF_SEPARATE),y) 7589e414032SMasahiro YamadaALL-y += u-boot-dtb-tegra.bin 75912b7b70cSAllen Martinelse 7609e414032SMasahiro YamadaALL-y += u-boot-nodtb-tegra.bin 76112b7b70cSAllen Martinendif 76212b7b70cSAllen Martinendif 7637dcd3a21SVidya Sagarendif 76412b7b70cSAllen Martin 765b2b8a696SStefan Roese# Add optional build target if defined in board/cpu/soc headers 766b2b8a696SStefan Roeseifneq ($(CONFIG_BUILD_TARGET),) 767b2b8a696SStefan RoeseALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 768b2b8a696SStefan Roeseendif 769b2b8a696SStefan Roese 770ad0fed46SMasahiro YamadaLDFLAGS_u-boot += $(LDFLAGS_FINAL) 771433b2f1eSMasahiro Yamadaifneq ($(CONFIG_SYS_TEXT_BASE),) 772433b2f1eSMasahiro YamadaLDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 773433b2f1eSMasahiro Yamadaendif 77471f84ef0SMasahiro Yamada 775f9c235fdSMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 776f9c235fdSMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 777f9c235fdSMasahiro Yamada 778b97241b3SMarek Vasutquiet_cmd_mkimage = MKIMAGE $@ 7799bf215b0SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 7809bf215b0SMasahiro Yamada $(if $(KBUILD_VERBOSE:1=), >/dev/null) 7819bf215b0SMasahiro Yamada 782ee0acfa2SMasahiro Yamadaquiet_cmd_cat = CAT $@ 783ee0acfa2SMasahiro Yamadacmd_cat = cat $(filter-out $(PHONY), $^) > $@ 784ee0acfa2SMasahiro Yamada 785982a1199SMasahiro Yamadaappend = cat $(filter-out $< $(PHONY), $^) >> $@ 786982a1199SMasahiro Yamada 787982a1199SMasahiro Yamadaquiet_cmd_pad_cat = CAT $@ 788982a1199SMasahiro Yamadacmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 789982a1199SMasahiro Yamada 790656de6b8SMasahiro Yamadaall: $(ALL-y) 7915add293bSMasahiro Yamadaifneq ($(CONFIG_SYS_GENERIC_BOARD),y) 7925add293bSMasahiro Yamada @echo "===================== WARNING ======================" 7935add293bSMasahiro Yamada @echo "Please convert this board to generic board." 7945add293bSMasahiro Yamada @echo "Otherwise it will be removed by the end of 2014." 7955add293bSMasahiro Yamada @echo "See doc/README.generic-board for further information" 7965add293bSMasahiro Yamada @echo "====================================================" 7975add293bSMasahiro Yamadaendif 79873845350SSimon Glassifeq ($(CONFIG_DM_I2C_COMPAT),y) 79973845350SSimon Glass @echo "===================== WARNING ======================" 80073845350SSimon Glass @echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove" 80173845350SSimon Glass @echo "(possibly in a subsequent patch in your series)" 80273845350SSimon Glass @echo "before sending patches to the mailing list." 80373845350SSimon Glass @echo "====================================================" 80473845350SSimon Glassendif 8057ebf7443Swdenk 8066ab6b2afSMasahiro YamadaPHONY += dtbs 8076ab6b2afSMasahiro Yamadadtbs dts/dt.dtb: checkdtc u-boot 8086ab6b2afSMasahiro Yamada $(Q)$(MAKE) $(build)=dts dtbs 8092c0f79e4SSimon Glass 810ee0acfa2SMasahiro Yamadau-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE 811ee0acfa2SMasahiro Yamada $(call if_changed,cat) 8122c0f79e4SSimon Glass 813e64348f5SStefano Babic%.imx: %.bin 814e64348f5SStefano Babic $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 815e64348f5SStefano Babic 8160d1e8aacSMasahiro Yamadaquiet_cmd_copy = COPY $@ 8170d1e8aacSMasahiro Yamada cmd_copy = cp $< $@ 8180d1e8aacSMasahiro Yamada 8190d1e8aacSMasahiro Yamadau-boot.dtb: dts/dt.dtb 8200d1e8aacSMasahiro Yamada $(call cmd,copy) 8210d1e8aacSMasahiro Yamada 822f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.hex := -O ihex 8236310eb9dSwdenk 824f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.srec := -O srec 8257ebf7443Swdenk 826f9c235fdSMasahiro Yamadau-boot.hex u-boot.srec: u-boot FORCE 827f9c235fdSMasahiro Yamada $(call if_changed,objcopy) 828f9c235fdSMasahiro Yamada 829fce7b276SSimon GlassOBJCOPYFLAGS_u-boot.bin := -O binary \ 830fce7b276SSimon Glass $(if $(CONFIG_X86_RESET_VECTOR),-R .start16 -R .resetvec) 831f9c235fdSMasahiro Yamada 8323ce7a4feSChris Packhambinary_size_check: u-boot.bin FORCE 83367b060b4SChris Packham @file_size=$(shell wc -c u-boot.bin | awk '{print $$1}') ; \ 8343ce7a4feSChris Packham map_size=$(shell cat u-boot.map | \ 8350b308f14SSimon Glass awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 8363ce7a4feSChris Packham | sed 's/0X//g' \ 8370b308f14SSimon Glass | bc); \ 83889742924SSimon Glass if [ "" != "$$map_size" ]; then \ 83989742924SSimon Glass if test $$map_size -ne $$file_size; then \ 8403ce7a4feSChris Packham echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 84189742924SSimon Glass echo " but u-boot.bin shows $$file_size" >&2 ; \ 84289742924SSimon Glass exit 1; \ 84389742924SSimon Glass fi \ 84489742924SSimon Glass fi 84589742924SSimon Glass 846f9c235fdSMasahiro Yamadau-boot.bin: u-boot FORCE 847f9c235fdSMasahiro Yamada $(call if_changed,objcopy) 8488137af19SScott Wood $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 849f3a14d37SMike Frysinger $(BOARD_SIZE_CHECK) 8507ebf7443Swdenk 8519e414032SMasahiro Yamadau-boot.ldr: u-boot 85276d82187SMike Frysinger $(CREATE_LDR_ENV) 853240182d5SSonic Zhang $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 854f3a14d37SMike Frysinger $(BOARD_SIZE_CHECK) 85594a91e24SMike Frysinger 856f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 85794a91e24SMike Frysinger 858f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 859f9c235fdSMasahiro Yamada 860f9c235fdSMasahiro Yamadau-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 861f9c235fdSMasahiro Yamada $(call if_changed,objcopy) 86294a91e24SMike Frysinger 863b40bda6bSStefan Roese# 864b40bda6bSStefan Roese# U-Boot entry point, needed for booting of full-blown U-Boot 865b40bda6bSStefan Roese# from the SPL U-Boot version. 866b40bda6bSStefan Roese# 867b40bda6bSStefan Roeseifndef CONFIG_SYS_UBOOT_START 868b40bda6bSStefan RoeseCONFIG_SYS_UBOOT_START := 0 869b40bda6bSStefan Roeseendif 870b40bda6bSStefan Roese 8719bf215b0SMasahiro YamadaMKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 8729bf215b0SMasahiro Yamada -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 8739bf215b0SMasahiro Yamada -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 8749bf215b0SMasahiro Yamada 8754ab3fc5eSMasahiro YamadaMKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 8764ab3fc5eSMasahiro Yamada -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 8779bf215b0SMasahiro Yamada 878a90ffb56SStefan RoeseMKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 879a90ffb56SStefan Roese -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 880a90ffb56SStefan Roese 881e4536f8eSMasahiro YamadaMKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 882e4536f8eSMasahiro Yamada -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 8839bf215b0SMasahiro Yamada 884d18926afSSimon Glassu-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 8859bf215b0SMasahiro Yamada $(call if_changed,mkimage) 886bdccc4feSwdenk 887a90ffb56SStefan Roeseu-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 888a90ffb56SStefan Roese $(call if_changed,mkimage) 889a90ffb56SStefan Roese 8902405d09cSMasahiro YamadaMKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 8912405d09cSMasahiro Yamada 8922405d09cSMasahiro Yamadau-boot-dtb.img: u-boot-dtb.bin FORCE 8932405d09cSMasahiro Yamada $(call if_changed,mkimage) 8942405d09cSMasahiro Yamada 8959e414032SMasahiro Yamadau-boot.sha1: u-boot.bin 8969e414032SMasahiro Yamada tools/ubsha1 u-boot.bin 897566a494fSHeiko Schocher 8989e414032SMasahiro Yamadau-boot.dis: u-boot 8997ebf7443Swdenk $(OBJDUMP) -d $< > $@ 9007ebf7443Swdenk 9013aa29de0SYing Zhangifdef CONFIG_TPL 9029e414032SMasahiro YamadaSPL_PAYLOAD := tpl/u-boot-with-tpl.bin 9033aa29de0SYing Zhangelse 9049e414032SMasahiro YamadaSPL_PAYLOAD := u-boot.bin 9053aa29de0SYing Zhangendif 90674752baaSScott Wood 907982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 908982a1199SMasahiro Yamada --pad-to=$(CONFIG_SPL_PAD_TO) 909982a1199SMasahiro Yamadau-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 910982a1199SMasahiro Yamada $(call if_changed,pad_cat) 9113aa29de0SYing Zhang 912982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 913982a1199SMasahiro Yamada --pad-to=$(CONFIG_TPL_PAD_TO) 914982a1199SMasahiro Yamadatpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 915982a1199SMasahiro Yamada $(call if_changed,pad_cat) 9167816f2cfSHeiko Schocher 917630d2345SMasahiro YamadaSPL: spl/u-boot-spl.bin FORCE 918630d2345SMasahiro Yamada $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 919630d2345SMasahiro Yamada 920630d2345SMasahiro Yamadau-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 9214e0c8abcSMasahiro Yamada $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 9227d5a5c79SBenoît Thébaudeau 9239bf215b0SMasahiro YamadaMKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 9249bf215b0SMasahiro Yamada 9259bf215b0SMasahiro Yamadau-boot.ubl: u-boot-with-spl.bin FORCE 9269bf215b0SMasahiro Yamada $(call if_changed,mkimage) 927277f00f5SJosé Miguel Gonçalves 928982a1199SMasahiro YamadaMKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 929982a1199SMasahiro Yamada $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 930982a1199SMasahiro Yamada -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 931982a1199SMasahiro Yamadaspl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 932982a1199SMasahiro Yamada $(call if_changed,mkimage) 933d36d8859SChristian Riesch 934532d5318SChristian RieschOBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 935982a1199SMasahiro Yamadau-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 936982a1199SMasahiro Yamada $(call if_changed,pad_cat) 937a5453555SOtavio Salvador 9381a9df13dSMarek Vasutu-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 9391a9df13dSMarek Vasut $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 9409e414032SMasahiro Yamadau-boot.sb: u-boot.bin spl/u-boot-spl.bin 94107e27ce0SMasahiro Yamada $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 94230b9b932SMarek Vasut 94394aebe6cSStefan Roese# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 94494aebe6cSStefan Roese# Both images are created using mkimage (crc etc), so that the ROM 94594aebe6cSStefan Roese# bootloader can check its integrity. Padding needs to be done to the 94694aebe6cSStefan Roese# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 94794aebe6cSStefan Roese# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 94894aebe6cSStefan Roese# The resulting image containing both U-Boot images is called u-boot.spr 949982a1199SMasahiro YamadaMKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 950982a1199SMasahiro Yamada -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 951982a1199SMasahiro Yamadaspl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 952982a1199SMasahiro Yamada $(call if_changed,mkimage) 953982a1199SMasahiro Yamada 954982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 955982a1199SMasahiro Yamada --gap-fill=0xff 956982a1199SMasahiro Yamadau-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 957982a1199SMasahiro Yamada $(call if_changed,pad_cat) 95894aebe6cSStefan Roese 959ef509b90SVitaly AndrianovMKIMAGEFLAGS_u-boot-spl.gph = -A $(ARCH) -T gpimage -C none \ 960ef509b90SVitaly Andrianov -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n SPL 961ef509b90SVitaly Andrianovspl/u-boot-spl.gph: spl/u-boot-spl.bin FORCE 962ef509b90SVitaly Andrianov $(call if_changed,mkimage) 963ef509b90SVitaly Andrianov 964ef509b90SVitaly AndrianovOBJCOPYFLAGS_u-boot-spi.gph = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 965ef509b90SVitaly Andrianov --gap-fill=0 966ef509b90SVitaly Andrianovu-boot-spi.gph: spl/u-boot-spl.gph u-boot.img FORCE 967ef509b90SVitaly Andrianov $(call if_changed,pad_cat) 968ef509b90SVitaly Andrianov 9690e7f2dbaSKhoronzhuk, IvanMKIMAGEFLAGS_u-boot-nand.gph = -A $(ARCH) -T gpimage -C none \ 9700e7f2dbaSKhoronzhuk, Ivan -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -n U-Boot 9710e7f2dbaSKhoronzhuk, Ivanu-boot-nand.gph: u-boot.bin FORCE 9720e7f2dbaSKhoronzhuk, Ivan $(call if_changed,mkimage) 9730e7f2dbaSKhoronzhuk, Ivan @dd if=/dev/zero bs=8 count=1 2>/dev/null >> $@ 9740e7f2dbaSKhoronzhuk, Ivan 975fce7b276SSimon Glass# x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 976fce7b276SSimon Glass# reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 977fce7b276SSimon Glass# the middle. 978fce7b276SSimon Glassifneq ($(CONFIG_X86_RESET_VECTOR),) 979fce7b276SSimon Glassrom: u-boot.rom FORCE 980fce7b276SSimon Glass 981c7016234SBin MengIFDTOOL=$(objtree)/tools/ifdtool 9820f61de8dSSimon GlassIFDTOOL_FLAGS = -f 0:$(objtree)/u-boot.dtb 9830f61de8dSSimon GlassIFDTOOL_FLAGS += -m 0x$(shell $(NM) u-boot |grep _dt_ucode_base_size |cut -d' ' -f1) 9840f61de8dSSimon GlassIFDTOOL_FLAGS += -U $(CONFIG_SYS_TEXT_BASE):$(objtree)/u-boot.bin 985c7016234SBin MengIFDTOOL_FLAGS += -w $(CONFIG_SYS_X86_START16):$(objtree)/u-boot-x86-16bit.bin 986c7016234SBin Meng 987c7016234SBin Mengifneq ($(CONFIG_HAVE_INTEL_ME),) 988c7016234SBin MengIFDTOOL_ME_FLAGS = -D $(srctree)/board/$(BOARDDIR)/descriptor.bin 989c7016234SBin MengIFDTOOL_ME_FLAGS += -i ME:$(srctree)/board/$(BOARDDIR)/me.bin 990c7016234SBin Mengendif 991c7016234SBin Meng 992c7016234SBin Mengifneq ($(CONFIG_HAVE_MRC),) 9938c5224c9SBin MengIFDTOOL_FLAGS += -w $(CONFIG_X86_MRC_ADDR):$(srctree)/board/$(BOARDDIR)/mrc.bin 994c7016234SBin Mengendif 995c7016234SBin Meng 99663faf250SBin Mengifneq ($(CONFIG_HAVE_FSP),) 99763faf250SBin MengIFDTOOL_FLAGS += -w $(CONFIG_FSP_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_FSP_FILE) 99863faf250SBin Mengendif 99963faf250SBin Meng 100063faf250SBin Mengifneq ($(CONFIG_HAVE_CMC),) 100163faf250SBin MengIFDTOOL_FLAGS += -w $(CONFIG_CMC_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_CMC_FILE) 100263faf250SBin Mengendif 100363faf250SBin Meng 1004c7016234SBin Mengifneq ($(CONFIG_X86_OPTION_ROM_ADDR),) 100563faf250SBin MengIFDTOOL_FLAGS += -w $(CONFIG_X86_OPTION_ROM_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_X86_OPTION_ROM_FILE) 1006c7016234SBin Mengendif 1007c7016234SBin Meng 1008c7016234SBin Mengquiet_cmd_ifdtool = IFDTOOL $@ 1009c7016234SBin Mengcmd_ifdtool = $(IFDTOOL) -c -r $(CONFIG_ROM_SIZE) u-boot.tmp; 1010c7016234SBin Mengifneq ($(CONFIG_HAVE_INTEL_ME),) 1011c7016234SBin Mengcmd_ifdtool += $(IFDTOOL) $(IFDTOOL_ME_FLAGS) u-boot.tmp; 1012c7016234SBin Mengendif 1013c7016234SBin Mengcmd_ifdtool += $(IFDTOOL) $(IFDTOOL_FLAGS) u-boot.tmp; 1014c7016234SBin Mengcmd_ifdtool += mv u-boot.tmp $@ 1015c7016234SBin Meng 1016c7016234SBin Mengu-boot.rom: u-boot-x86-16bit.bin u-boot-dtb.bin 1017c7016234SBin Meng $(call if_changed,ifdtool) 1018fce7b276SSimon Glass 1019fce7b276SSimon GlassOBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec 1020fce7b276SSimon Glassu-boot-x86-16bit.bin: u-boot FORCE 1021fce7b276SSimon Glass $(call if_changed,objcopy) 1022fce7b276SSimon Glassendif 1023fce7b276SSimon Glass 102450827a59SIan Campbellifneq ($(CONFIG_SUNXI),) 102550827a59SIan CampbellOBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \ 102650827a59SIan Campbell --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff 102757f878efSSimon Glassu-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin \ 102857f878efSSimon Glass u-boot$(if $(CONFIG_OF_CONTROL),-dtb,).img FORCE 102950827a59SIan Campbell $(call if_changed,pad_cat) 103050827a59SIan Campbellendif 103150827a59SIan Campbell 10326d6c0baeSTom Warrenifneq ($(CONFIG_TEGRA),) 1033982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1034982a1199SMasahiro Yamadau-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1035982a1199SMasahiro Yamada $(call if_changed,pad_cat) 10369972db5cSStephen Warren 10379972db5cSStephen Warrenifeq ($(CONFIG_OF_SEPARATE),y) 1038ee0acfa2SMasahiro Yamadau-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE 1039ee0acfa2SMasahiro Yamada $(call if_changed,cat) 10409972db5cSStephen Warrenendif 1041984df4ecSAllen Martinendif 1042984df4ecSAllen Martin 1043ee0acfa2SMasahiro Yamadau-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1044ee0acfa2SMasahiro Yamada $(call if_changed,cat) 1045fb3d2b8aSStefan Roese 104689ad7be8SPrabhakar Kushwaha#Add a target to create boot binary having SPL binary in PBI format 104789ad7be8SPrabhakar Kushwaha#concatenated with u-boot binary. It is need by PowerPC SoC having 104889ad7be8SPrabhakar Kushwaha#internal SRAM <= 512KB. 104989ad7be8SPrabhakar KushwahaMKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 105094cb17d0SAlison Wang -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 105194cb17d0SAlison Wang -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 105289ad7be8SPrabhakar Kushwaha 105389ad7be8SPrabhakar Kushwahaspl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 105489ad7be8SPrabhakar Kushwaha $(call if_changed,mkimage) 105589ad7be8SPrabhakar Kushwaha 105645c2e480SAlison Wangifeq ($(ARCH),arm) 105745c2e480SAlison WangUBOOT_BINLOAD := u-boot.img 105845c2e480SAlison Wangelse 105945c2e480SAlison WangUBOOT_BINLOAD := u-boot.bin 106045c2e480SAlison Wangendif 106145c2e480SAlison Wang 106289ad7be8SPrabhakar KushwahaOBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 106389ad7be8SPrabhakar Kushwaha --gap-fill=0xff 106489ad7be8SPrabhakar Kushwaha 106545c2e480SAlison Wangu-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 106689ad7be8SPrabhakar Kushwaha $(call if_changed,pad_cat) 106789ad7be8SPrabhakar Kushwaha 1068ecddccd0SStefan Roese# PPC4xx needs the SPL at the end of the image, since the reset vector 1069ecddccd0SStefan Roese# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1070ecddccd0SStefan Roese# and need to introduce a new build target with the full blown U-Boot 1071ecddccd0SStefan Roese# at the start padded up to the start of the SPL image. And then concat 1072ecddccd0SStefan Roese# the SPL image to the end. 1073982a1199SMasahiro Yamada 1074982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1075982a1199SMasahiro Yamada --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1076982a1199SMasahiro Yamadau-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1077982a1199SMasahiro Yamada $(call if_changed,pad_cat) 1078ecddccd0SStefan Roese 1079f4dc714aSScott Wood# Create a new ELF from a raw binary file. This is useful for arm64 1080f4dc714aSScott Wood# where static relocation needs to be performed on the raw binary, 1081f4dc714aSScott Wood# but certain simulators only accept an ELF file (but don't do the 1082f4dc714aSScott Wood# relocation). 1083f4dc714aSScott Wood# FIXME refactor dts/Makefile to share target/arch detection 10849e414032SMasahiro Yamadau-boot.elf: u-boot.bin 1085f4dc714aSScott Wood @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 10869e414032SMasahiro Yamada $< u-boot-elf.o 10879e414032SMasahiro Yamada @$(LD) u-boot-elf.o -o $@ \ 1088f4dc714aSScott Wood --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 1089f4dc714aSScott Wood -Ttext=$(CONFIG_SYS_TEXT_BASE) 1090f4dc714aSScott Wood 1091ad0fed46SMasahiro Yamada# Rule to link u-boot 1092ad0fed46SMasahiro Yamada# May be overridden by arch/$(ARCH)/config.mk 1093ad0fed46SMasahiro Yamadaquiet_cmd_u-boot__ ?= LD $@ 1094ad0fed46SMasahiro Yamada cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1095ad0fed46SMasahiro Yamada -T u-boot.lds $(u-boot-init) \ 1096ad0fed46SMasahiro Yamada --start-group $(u-boot-main) --end-group \ 1097ad0fed46SMasahiro Yamada $(PLATFORM_LIBS) -Map u-boot.map 109886eb49b3SSimon Glass 1099cac8f38aSVasili Galkaquiet_cmd_smap = GEN common/system_map.o 1100cac8f38aSVasili Galkacmd_smap = \ 11019e414032SMasahiro Yamada smap=`$(call SYSTEM_MAP,u-boot) | \ 11021aada9cdSWolfgang Denk awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 11036825a95bSMasahiro Yamada $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 11049e414032SMasahiro Yamada -c $(srctree)/common/system_map.c -o common/system_map.o 1105cac8f38aSVasili Galka 1106cac8f38aSVasili Galkau-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 1107cac8f38aSVasili Galka $(call if_changed,u-boot__) 1108cac8f38aSVasili Galkaifeq ($(CONFIG_KALLSYMS),y) 1109cac8f38aSVasili Galka $(call cmd,smap) 1110ad0fed46SMasahiro Yamada $(call cmd,u-boot__) common/system_map.o 1111ecb1dc89SMike Frysingerendif 11127ebf7443Swdenk 1113656de6b8SMasahiro Yamada# The actual objects are generated when descending, 1114656de6b8SMasahiro Yamada# make sure no implicit rule kicks in 1115656de6b8SMasahiro Yamada$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1116f9328639SMarian Balakowicz 1117656de6b8SMasahiro Yamada# Handle descending into subdirectories listed in $(vmlinux-dirs) 1118656de6b8SMasahiro Yamada# Preset locale variables to speed up the build process. Limit locale 1119656de6b8SMasahiro Yamada# tweaks to this spot to avoid wrong language settings when running 1120656de6b8SMasahiro Yamada# make menuconfig etc. 1121656de6b8SMasahiro Yamada# Error messages still appears in the original language 1122a8c7c708Swdenk 1123656de6b8SMasahiro YamadaPHONY += $(u-boot-dirs) 11246378008aSMasahiro Yamada$(u-boot-dirs): prepare scripts 11256825a95bSMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 1126940db16dSMasahiro Yamada 11277424145fSMasahiro Yamadatools: prepare 1128656de6b8SMasahiro Yamada# The "tools" are needed early 1129656de6b8SMasahiro Yamada$(filter-out tools, $(u-boot-dirs)): tools 1130656de6b8SMasahiro Yamada# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1131656de6b8SMasahiro Yamada# is "yes"), so compile examples after U-Boot is compiled. 1132656de6b8SMasahiro Yamadaexamples: $(filter-out examples, $(u-boot-dirs)) 1133656de6b8SMasahiro Yamada 11347424145fSMasahiro Yamadadefine filechk_uboot.release 11357424145fSMasahiro Yamada echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 11367424145fSMasahiro Yamadaendef 11377424145fSMasahiro Yamada 11387424145fSMasahiro Yamada# Store (new) UBOOTRELEASE string in include/config/uboot.release 113951148790SMasahiro Yamadainclude/config/uboot.release: include/config/auto.conf FORCE 11407424145fSMasahiro Yamada $(call filechk,uboot.release) 11417424145fSMasahiro Yamada 11427424145fSMasahiro Yamada 11433341bfecSMasahiro Yamada# Things we need to do before we recursively start building the kernel 11443341bfecSMasahiro Yamada# or the modules are listed in "prepare". 11453341bfecSMasahiro Yamada# A multi level approach is used. prepareN is processed before prepareN-1. 11463341bfecSMasahiro Yamada# archprepare is used in arch Makefiles and when processed asm symlink, 11473341bfecSMasahiro Yamada# version.h and scripts_basic is processed / created. 11483341bfecSMasahiro Yamada 11493341bfecSMasahiro Yamada# Listed in dependency order 11503341bfecSMasahiro YamadaPHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 11513341bfecSMasahiro Yamada 11523341bfecSMasahiro Yamada# prepare3 is used to check if we are building in a separate output directory, 11533341bfecSMasahiro Yamada# and if so do: 11543341bfecSMasahiro Yamada# 1) Check that make has not been executed in the kernel src $(srctree) 11557424145fSMasahiro Yamadaprepare3: include/config/uboot.release 11563341bfecSMasahiro Yamadaifneq ($(KBUILD_SRC),) 115751148790SMasahiro Yamada @$(kecho) ' Using $(srctree) as source for U-Boot' 115851148790SMasahiro Yamada $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 11593341bfecSMasahiro Yamada echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 11603341bfecSMasahiro Yamada echo >&2 " in the '$(srctree)' directory.";\ 11613341bfecSMasahiro Yamada /bin/false; \ 11623341bfecSMasahiro Yamada fi; 11633341bfecSMasahiro Yamadaendif 11643341bfecSMasahiro Yamada 11653341bfecSMasahiro Yamada# prepare2 creates a makefile if using a separate output directory 11663341bfecSMasahiro Yamadaprepare2: prepare3 outputmakefile 11673341bfecSMasahiro Yamada 116851148790SMasahiro Yamadaprepare1: prepare2 $(version_h) $(timestamp_h) \ 116951148790SMasahiro Yamada include/config/auto.conf 11700a12e687SMasahiro Yamadaifeq ($(CONFIG_HAVE_GENERIC_BOARD),) 1171331b45fbSMasahiro Yamadaifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 1172331b45fbSMasahiro Yamada @echo >&2 " Your architecture does not support generic board." 1173331b45fbSMasahiro Yamada @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 1174331b45fbSMasahiro Yamada @/bin/false 1175331b45fbSMasahiro Yamadaendif 1176331b45fbSMasahiro Yamadaendif 11774a377552SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 11784a377552SMasahiro Yamada @echo >&2 " Could not find linker script." 11794a377552SMasahiro Yamada @/bin/false 11804a377552SMasahiro Yamadaendif 11817ebf7443Swdenk 11823341bfecSMasahiro Yamadaarchprepare: prepare1 scripts_basic 1183a8c7c708Swdenk 11846a44d806SMasahiro Yamadaprepare0: archprepare FORCE 11856a44d806SMasahiro Yamada $(Q)$(MAKE) $(build)=. 11867ebf7443Swdenk 11873341bfecSMasahiro Yamada# All the preparing.. 11883341bfecSMasahiro Yamadaprepare: prepare0 1189349e83f0SChe-liang Chiou 11907424145fSMasahiro Yamada# Generate some files 11917424145fSMasahiro Yamada# --------------------------------------------------------------------------- 11927424145fSMasahiro Yamada 11937424145fSMasahiro Yamadadefine filechk_version.h 11947424145fSMasahiro Yamada (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 11957424145fSMasahiro Yamada echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 11967424145fSMasahiro Yamada echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 11977424145fSMasahiro Yamada echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 11987424145fSMasahiro Yamadaendef 11997424145fSMasahiro Yamada 12007424145fSMasahiro Yamadadefine filechk_timestamp.h 12017424145fSMasahiro Yamada (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 12027424145fSMasahiro Yamada LC_ALL=C date +'#define U_BOOT_TIME "%T"') 12037424145fSMasahiro Yamadaendef 12047424145fSMasahiro Yamada 12052e6b2f6aSMasahiro Yamada$(version_h): include/config/uboot.release FORCE 12067424145fSMasahiro Yamada $(call filechk,version.h) 12077424145fSMasahiro Yamada 12087424145fSMasahiro Yamada$(timestamp_h): $(srctree)/Makefile FORCE 12097424145fSMasahiro Yamada $(call filechk,timestamp.h) 12107424145fSMasahiro Yamada 12116378008aSMasahiro Yamada# --------------------------------------------------------------------------- 12126378008aSMasahiro Yamada 12136378008aSMasahiro YamadaPHONY += depend dep 12146378008aSMasahiro Yamadadepend dep: 12156378008aSMasahiro Yamada @echo '*** Warning: make $@ is unnecessary now.' 12166378008aSMasahiro Yamada 12176378008aSMasahiro Yamada# --------------------------------------------------------------------------- 121804a34c96SMasahiro Yamadaquiet_cmd_cpp_lds = LDS $@ 1219395e60cdSMasahiro Yamadacmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 1220395e60cdSMasahiro Yamada -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 12216378008aSMasahiro Yamada 122204a34c96SMasahiro Yamadau-boot.lds: $(LDSCRIPT) prepare FORCE 1223395e60cdSMasahiro Yamada $(call if_changed_dep,cpp_lds) 12241aada9cdSWolfgang Denk 1225982a1199SMasahiro Yamadaspl/u-boot-spl.bin: spl/u-boot-spl 1226982a1199SMasahiro Yamada @: 1227982a1199SMasahiro Yamadaspl/u-boot-spl: tools prepare 1228c7163083SMasahiro Yamada $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 12295df2ee27SDaniel Schwierzeck 123050827a59SIan Campbellspl/sunxi-spl.bin: spl/u-boot-spl 123150827a59SIan Campbell @: 123250827a59SIan Campbell 12336378008aSMasahiro Yamadatpl/u-boot-tpl.bin: tools prepare 123451148790SMasahiro Yamada $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 12353aa29de0SYing Zhang 12368d819ab5SIgor GrinbergTAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1237a340c325SJean-Christophe PLAGNIOL-VILLARD 1238857d9ea6SHorst KronstorferFIND := find 1239857d9ea6SHorst KronstorferFINDFLAGS := -L 1240857d9ea6SHorst Kronstorfer 1241f9328639SMarian Balakowicztags ctags: 12429e414032SMasahiro Yamada ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1243e5e4e705SLi Yang -name '*.[chS]' -print` 12447ebf7443Swdenk 12457ebf7443Swdenketags: 12468d819ab5SIgor Grinberg etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1247e5e4e705SLi Yang -name '*.[chS]' -print` 1248ffda586fSLi Yangcscope: 1249857d9ea6SHorst Kronstorfer $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1250857d9ea6SHorst Kronstorfer cscope.files 1251ffda586fSLi Yang cscope -b -q -k 12527ebf7443Swdenk 1253ecb1dc89SMike FrysingerSYSTEM_MAP = \ 1254ecb1dc89SMike Frysinger $(NM) $1 | \ 12557ebf7443Swdenk grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1256ecb1dc89SMike Frysinger LC_ALL=C sort 12579e414032SMasahiro YamadaSystem.map: u-boot 1258bc8bb6ecSMasahiro Yamada @$(call SYSTEM_MAP,$<) > $@ 12597ebf7443Swdenk 1260501ebdf2SStephen Warrencheckdtc: 1261501ebdf2SStephen Warren @if test $(call dtc-version) -lt 0104; then \ 1262501ebdf2SStephen Warren echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1263501ebdf2SStephen Warren false; \ 1264501ebdf2SStephen Warren fi 1265501ebdf2SStephen Warren 12667ebf7443Swdenk######################################################################### 12677ebf7443Swdenk 126854799e45SScott Wood# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 126954799e45SScott Wood# R_AARCH64_RELATIVE (64-bit). 12709e414032SMasahiro Yamadacheckarmreloc: u-boot 127154799e45SScott Wood @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 127254799e45SScott Wood grep R_A | sort -u`"; \ 127354799e45SScott Wood if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 127454799e45SScott Wood "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 127554799e45SScott Wood echo "$< contains unexpected relocations: $$RELOC"; \ 127654799e45SScott Wood false; \ 127754799e45SScott Wood fi 1278c37980c3SAlbert ARIBAUD 12797424145fSMasahiro Yamadaenv: scripts_basic 12803f76e984SMasahiro Yamada $(Q)$(MAKE) $(build)=tools/$@ 12810358df42SMike Frysinger 12824642e002SMasahiro Yamadatools-only: scripts_basic $(version_h) $(timestamp_h) 12834642e002SMasahiro Yamada $(Q)$(MAKE) $(build)=tools 12844642e002SMasahiro Yamada 12851ec8b4efSMasahiro Yamadatools-all: export HOST_TOOLS_ALL=y 12862887c473SMasahiro Yamadatools-all: env tools ; 12870358df42SMike Frysinger 1288db5b339cSMasahiro Yamadacross_tools: export CROSS_BUILD_TOOLS=y 1289db5b339cSMasahiro Yamadacross_tools: tools ; 1290db5b339cSMasahiro Yamada 12914e53a258SWolfgang Denk.PHONY : CHANGELOG 12924e53a258SWolfgang DenkCHANGELOG: 1293b985b5d6SBen Warren git log --no-merges U-Boot-1_1_5.. | \ 1294b985b5d6SBen Warren unexpand -a | sed -e 's/\s\s*$$//' > $@ 12954e53a258SWolfgang Denk 12960a823aa2SHarald Welteinclude/license.h: tools/bin2header COPYING 12970a823aa2SHarald Welte cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 12987ebf7443Swdenk######################################################################### 12997ebf7443Swdenk 1300efcf8619SMasahiro Yamada### 1301efcf8619SMasahiro Yamada# Cleaning is done on three levels. 1302efcf8619SMasahiro Yamada# make clean Delete most generated files 1303efcf8619SMasahiro Yamada# Leave enough to build external modules 1304efcf8619SMasahiro Yamada# make mrproper Delete the current configuration, and all generated files 1305efcf8619SMasahiro Yamada# make distclean Remove editor backup files, patch leftover files and the like 13067ebf7443Swdenk 1307efcf8619SMasahiro Yamada# Directories & files removed with 'make clean' 130848aa812dSMasahiro YamadaCLEAN_DIRS += $(MODVERDIR) \ 130948aa812dSMasahiro Yamada $(foreach d, spl tpl, $(patsubst %,$d/%, \ 131051148790SMasahiro Yamada $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 131148aa812dSMasahiro Yamada 131248aa812dSMasahiro YamadaCLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \ 13132a50712eSBo Shen boot* u-boot* MLO* SPL System.map 13149f4a4206SMike Frysinger 1315efcf8619SMasahiro Yamada# Directories & files removed with 'make mrproper' 131651148790SMasahiro YamadaMRPROPER_DIRS += include/config include/generated spl tpl \ 1317598e2d33SMasahiro Yamada .tmp_objdiff 131851148790SMasahiro YamadaMRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 131951148790SMasahiro Yamada ctags etags TAGS cscope* GPATH GTAGS GRTAGS GSYMS 13207ebf7443Swdenk 1321efcf8619SMasahiro Yamada# clean - Delete most, but leave enough to build external modules 1322efcf8619SMasahiro Yamada# 1323efcf8619SMasahiro Yamadaclean: rm-dirs := $(CLEAN_DIRS) 1324efcf8619SMasahiro Yamadaclean: rm-files := $(CLEAN_FILES) 13257ebf7443Swdenk 13266bd04bb4SMasahiro Yamadaclean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1327734329f9SAndy Fleming 1328efcf8619SMasahiro Yamadaclean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 13297ebf7443Swdenk 1330efcf8619SMasahiro YamadaPHONY += $(clean-dirs) clean archclean 1331efcf8619SMasahiro Yamada$(clean-dirs): 1332efcf8619SMasahiro Yamada $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1333efcf8619SMasahiro Yamada 1334efcf8619SMasahiro Yamada# TODO: Do not use *.cfgtmp 1335efcf8619SMasahiro Yamadaclean: $(clean-dirs) 1336efcf8619SMasahiro Yamada $(call cmd,rmdirs) 1337efcf8619SMasahiro Yamada $(call cmd,rmfiles) 1338efcf8619SMasahiro Yamada @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1339efcf8619SMasahiro Yamada \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1340efcf8619SMasahiro Yamada -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1341efcf8619SMasahiro Yamada -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1342efcf8619SMasahiro Yamada -o -name '*.symtypes' -o -name 'modules.order' \ 1343efcf8619SMasahiro Yamada -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1344efcf8619SMasahiro Yamada -o -name '*.gcno' \) -type f -print | xargs rm -f 1345efcf8619SMasahiro Yamada 1346efcf8619SMasahiro Yamada# mrproper - Delete all generated files, including .config 1347efcf8619SMasahiro Yamada# 1348efcf8619SMasahiro Yamadamrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1349efcf8619SMasahiro Yamadamrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1350efcf8619SMasahiro Yamadamrproper-dirs := $(addprefix _mrproper_,scripts) 1351efcf8619SMasahiro Yamada 1352efcf8619SMasahiro YamadaPHONY += $(mrproper-dirs) mrproper archmrproper 1353efcf8619SMasahiro Yamada$(mrproper-dirs): 1354efcf8619SMasahiro Yamada $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1355efcf8619SMasahiro Yamada 135648aa812dSMasahiro Yamadamrproper: clean $(mrproper-dirs) 1357efcf8619SMasahiro Yamada $(call cmd,rmdirs) 1358efcf8619SMasahiro Yamada $(call cmd,rmfiles) 1359e9c16a80SMasahiro Yamada @rm -f arch/*/include/asm/arch 1360efcf8619SMasahiro Yamada 1361efcf8619SMasahiro Yamada# distclean 1362efcf8619SMasahiro Yamada# 1363efcf8619SMasahiro YamadaPHONY += distclean 1364efcf8619SMasahiro Yamada 1365433b2f1eSMasahiro Yamadadistclean: mrproper 1366efcf8619SMasahiro Yamada @find $(srctree) $(RCS_FIND_IGNORE) \ 1367efcf8619SMasahiro Yamada \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1368efcf8619SMasahiro Yamada -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1369598e2d33SMasahiro Yamada -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1370598e2d33SMasahiro Yamada -o -name '*.pyc' \) \ 1371efcf8619SMasahiro Yamada -type f -print | xargs rm -f 1372fd18a89eSRoger Meier @rm -f boards.cfg 13737ebf7443Swdenk 13747ebf7443Swdenkbackup: 13754379ac61SMasahiro Yamada F=`basename $(srctree)` ; cd .. ; \ 1376d6b93714SIlya Yanok gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 13777ebf7443Swdenk 1378ed1ca528SMasahiro Yamadahelp: 1379ed1ca528SMasahiro Yamada @echo 'Cleaning targets:' 138048aa812dSMasahiro Yamada @echo ' clean - Remove most generated files but keep the config' 1381ed1ca528SMasahiro Yamada @echo ' mrproper - Remove all generated files + config + various backup files' 1382ed1ca528SMasahiro Yamada @echo ' distclean - mrproper + remove editor backup and patch files' 1383ed1ca528SMasahiro Yamada @echo '' 138451148790SMasahiro Yamada @echo 'Configuration targets:' 138551148790SMasahiro Yamada @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 138651148790SMasahiro Yamada @echo '' 1387ed1ca528SMasahiro Yamada @echo 'Other generic targets:' 1388ed1ca528SMasahiro Yamada @echo ' all - Build all necessary images depending on configuration' 1389ffe29ebcSMasahiro Yamada @echo '* u-boot - Build the bare u-boot' 1390ed1ca528SMasahiro Yamada @echo ' dir/ - Build all files in dir and below' 1391ed1ca528SMasahiro Yamada @echo ' dir/file.[oisS] - Build specified target only' 1392ed1ca528SMasahiro Yamada @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1393ed1ca528SMasahiro Yamada @echo ' (requires a recent binutils and recent build (System.map))' 13945fc2f924SIgor Grinberg @echo ' tags/ctags - Generate ctags file for editors' 13955fc2f924SIgor Grinberg @echo ' etags - Generate etags file for editors' 1396ed1ca528SMasahiro Yamada @echo ' cscope - Generate cscope index' 1397ffe29ebcSMasahiro Yamada @echo ' ubootrelease - Output the release version string (use with make -s)' 1398ffe29ebcSMasahiro Yamada @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 1399ed1ca528SMasahiro Yamada @echo '' 1400ed1ca528SMasahiro Yamada @echo 'Static analysers' 1401ed1ca528SMasahiro Yamada @echo ' checkstack - Generate a list of stack hogs' 1402ed1ca528SMasahiro Yamada @echo '' 1403ed1ca528SMasahiro Yamada @echo 'Documentation targets:' 1404ed1ca528SMasahiro Yamada @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1405ed1ca528SMasahiro Yamada @echo '' 1406ed1ca528SMasahiro Yamada @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1407ed1ca528SMasahiro Yamada @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1408ed1ca528SMasahiro Yamada @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1409ed1ca528SMasahiro Yamada @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1410ed1ca528SMasahiro Yamada @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1411ed1ca528SMasahiro Yamada @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1412ed1ca528SMasahiro Yamada @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1413ed1ca528SMasahiro Yamada @echo ' 1: warnings which may be relevant and do not occur too often' 1414ed1ca528SMasahiro Yamada @echo ' 2: warnings which occur quite often but may still be relevant' 1415ed1ca528SMasahiro Yamada @echo ' 3: more obscure warnings, can most likely be ignored' 1416ed1ca528SMasahiro Yamada @echo ' Multiple levels can be combined with W=12 or W=123' 1417ed1ca528SMasahiro Yamada @echo '' 1418ed1ca528SMasahiro Yamada @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1419ed1ca528SMasahiro Yamada @echo 'For further info see the ./README file' 1420ed1ca528SMasahiro Yamada 14218fac9c7bSMasahiro Yamada 14228fac9c7bSMasahiro Yamada# Documentation targets 14238fac9c7bSMasahiro Yamada# --------------------------------------------------------------------------- 14248fac9c7bSMasahiro Yamada%docs: scripts_basic FORCE 14258fac9c7bSMasahiro Yamada $(Q)$(MAKE) $(build)=scripts build_docproc 14268fac9c7bSMasahiro Yamada $(Q)$(MAKE) $(build)=doc/DocBook $@ 14278fac9c7bSMasahiro Yamada 14283341bfecSMasahiro Yamada# Dummies... 14293341bfecSMasahiro YamadaPHONY += prepare scripts 14303341bfecSMasahiro Yamadaprepare: ; 14313341bfecSMasahiro Yamadascripts: ; 14329e414032SMasahiro Yamada 1433433b2f1eSMasahiro Yamadaendif #ifeq ($(config-targets),1) 1434433b2f1eSMasahiro Yamadaendif #ifeq ($(mixed-targets),1) 1435433b2f1eSMasahiro Yamada 1436ed1ca528SMasahiro YamadaPHONY += checkstack ubootrelease ubootversion 1437ed1ca528SMasahiro Yamada 1438ed1ca528SMasahiro Yamadacheckstack: 1439ed1ca528SMasahiro Yamada $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1440ed1ca528SMasahiro Yamada $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1441ed1ca528SMasahiro Yamada 1442ed1ca528SMasahiro Yamadaubootrelease: 1443ed1ca528SMasahiro Yamada @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1444ed1ca528SMasahiro Yamada 1445ed1ca528SMasahiro Yamadaubootversion: 1446ed1ca528SMasahiro Yamada @echo $(UBOOTVERSION) 1447ed1ca528SMasahiro Yamada 1448886d86e8SMasahiro Yamada# Single targets 1449886d86e8SMasahiro Yamada# --------------------------------------------------------------------------- 1450886d86e8SMasahiro Yamada# Single targets are compatible with: 1451886d86e8SMasahiro Yamada# - build with mixed source and output 1452886d86e8SMasahiro Yamada# - build with separate output dir 'make O=...' 1453886d86e8SMasahiro Yamada# - external modules 1454886d86e8SMasahiro Yamada# 1455886d86e8SMasahiro Yamada# target-dir => where to store outputfile 1456886d86e8SMasahiro Yamada# build-dir => directory in kernel source tree to use 1457886d86e8SMasahiro Yamada 1458886d86e8SMasahiro Yamadaifeq ($(KBUILD_EXTMOD),) 1459886d86e8SMasahiro Yamada build-dir = $(patsubst %/,%,$(dir $@)) 1460886d86e8SMasahiro Yamada target-dir = $(dir $@) 1461886d86e8SMasahiro Yamadaelse 1462886d86e8SMasahiro Yamada zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1463886d86e8SMasahiro Yamada build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1464886d86e8SMasahiro Yamada target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1465886d86e8SMasahiro Yamadaendif 1466886d86e8SMasahiro Yamada 1467886d86e8SMasahiro Yamada%.s: %.c prepare scripts FORCE 1468886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1469886d86e8SMasahiro Yamada%.i: %.c prepare scripts FORCE 1470886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1471886d86e8SMasahiro Yamada%.o: %.c prepare scripts FORCE 1472886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1473886d86e8SMasahiro Yamada%.lst: %.c prepare scripts FORCE 1474886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1475886d86e8SMasahiro Yamada%.s: %.S prepare scripts FORCE 1476886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1477886d86e8SMasahiro Yamada%.o: %.S prepare scripts FORCE 1478886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1479886d86e8SMasahiro Yamada%.symtypes: %.c prepare scripts FORCE 1480886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1481886d86e8SMasahiro Yamada 1482886d86e8SMasahiro Yamada# Modules 1483886d86e8SMasahiro Yamada/: prepare scripts FORCE 1484886d86e8SMasahiro Yamada $(cmd_crmodverdir) 1485886d86e8SMasahiro Yamada $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1486886d86e8SMasahiro Yamada $(build)=$(build-dir) 1487886d86e8SMasahiro Yamada%/: prepare scripts FORCE 1488886d86e8SMasahiro Yamada $(cmd_crmodverdir) 1489886d86e8SMasahiro Yamada $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1490886d86e8SMasahiro Yamada $(build)=$(build-dir) 1491886d86e8SMasahiro Yamada%.ko: prepare scripts FORCE 1492886d86e8SMasahiro Yamada $(cmd_crmodverdir) 1493886d86e8SMasahiro Yamada $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1494886d86e8SMasahiro Yamada $(build)=$(build-dir) $(@:.ko=.o) 1495886d86e8SMasahiro Yamada $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1496886d86e8SMasahiro Yamada 1497886d86e8SMasahiro Yamada# FIXME Should go into a make.lib or something 1498886d86e8SMasahiro Yamada# =========================================================================== 1499886d86e8SMasahiro Yamada 1500efcf8619SMasahiro Yamadaquiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1501efcf8619SMasahiro Yamada cmd_rmdirs = rm -rf $(rm-dirs) 1502efcf8619SMasahiro Yamada 1503efcf8619SMasahiro Yamadaquiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1504efcf8619SMasahiro Yamada cmd_rmfiles = rm -f $(rm-files) 1505efcf8619SMasahiro Yamada 1506f9c235fdSMasahiro Yamada# read all saved command lines 1507f9c235fdSMasahiro Yamada 1508f9c235fdSMasahiro Yamadatargets := $(wildcard $(sort $(targets))) 1509f9c235fdSMasahiro Yamadacmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1510f9c235fdSMasahiro Yamada 1511f9c235fdSMasahiro Yamadaifneq ($(cmd_files),) 1512f9c235fdSMasahiro Yamada $(cmd_files): ; # Do not try to update included dependency files 1513f9c235fdSMasahiro Yamada include $(cmd_files) 1514f9c235fdSMasahiro Yamadaendif 1515f9c235fdSMasahiro Yamada 1516efcf8619SMasahiro Yamada# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1517efcf8619SMasahiro Yamada# Usage: 1518efcf8619SMasahiro Yamada# $(Q)$(MAKE) $(clean)=dir 1519176d0982SMasahiro Yamadaclean := -f $(srctree)/scripts/Makefile.clean obj 1520efcf8619SMasahiro Yamada 15219e414032SMasahiro Yamadaendif # skip-makefile 15229e414032SMasahiro Yamada 15239e414032SMasahiro YamadaPHONY += FORCE 15249e414032SMasahiro YamadaFORCE: 15259e414032SMasahiro Yamada 15269e414032SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 15279e414032SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 15289e414032SMasahiro Yamada.PHONY: $(PHONY) 1529