xref: /openbmc/u-boot/Makefile (revision ed1ca528)
17ebf7443Swdenk#
2eca3aeb3SWolfgang Denk# (C) Copyright 2000-2013
37ebf7443Swdenk# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
47ebf7443Swdenk#
5eca3aeb3SWolfgang Denk# SPDX-License-Identifier:	GPL-2.0+
67ebf7443Swdenk#
77ebf7443Swdenk
8d19ad726STom RiniVERSION = 2014
90a8e823aSTom RiniPATCHLEVEL = 04
10211e4754SWolfgang DenkSUBLEVEL =
110a8e823aSTom RiniEXTRAVERSION = -rc1
125f30f3beSMasahiro YamadaNAME =
13ae6d1056SWolfgang Denk
146825a95bSMasahiro Yamada# *DOCUMENTATION*
156825a95bSMasahiro Yamada# To see a list of typical targets execute "make help"
166825a95bSMasahiro Yamada# More info can be located in ./README
176825a95bSMasahiro Yamada# Comments in this file are targeted only to the developer, do not
186825a95bSMasahiro Yamada# expect to learn how to build the kernel reading this file.
196825a95bSMasahiro Yamada
206825a95bSMasahiro Yamada# Do not:
216825a95bSMasahiro Yamada# o  use make's built-in rules and variables
226825a95bSMasahiro Yamada#    (this increases performance and avoids hard-to-debug behaviour);
236825a95bSMasahiro Yamada# o  print "Entering directory ...";
246825a95bSMasahiro YamadaMAKEFLAGS += -rR --no-print-directory
256825a95bSMasahiro Yamada
266825a95bSMasahiro Yamada# Avoid funny character set dependencies
276825a95bSMasahiro Yamadaunexport LC_ALL
286825a95bSMasahiro YamadaLC_COLLATE=C
296825a95bSMasahiro YamadaLC_NUMERIC=C
306825a95bSMasahiro Yamadaexport LC_COLLATE LC_NUMERIC
316825a95bSMasahiro Yamada
326825a95bSMasahiro Yamada# We are using a recursive build, so we need to do a little thinking
336825a95bSMasahiro Yamada# to get the ordering right.
346825a95bSMasahiro Yamada#
356825a95bSMasahiro Yamada# Most importantly: sub-Makefiles should only ever modify files in
366825a95bSMasahiro Yamada# their own directory. If in some directory we have a dependency on
376825a95bSMasahiro Yamada# a file in another dir (which doesn't happen often, but it's often
386825a95bSMasahiro Yamada# unavoidable when linking the built-in.o targets which finally
396825a95bSMasahiro Yamada# turn into vmlinux), we will call a sub make in that other dir, and
406825a95bSMasahiro Yamada# after that we are sure that everything which is in that other dir
416825a95bSMasahiro Yamada# is now up to date.
426825a95bSMasahiro Yamada#
436825a95bSMasahiro Yamada# The only cases where we need to modify files which have global
446825a95bSMasahiro Yamada# effects are thus separated out and done before the recursive
456825a95bSMasahiro Yamada# descending is started. They are now explicitly listed as the
466825a95bSMasahiro Yamada# prepare rule.
476825a95bSMasahiro Yamada
486825a95bSMasahiro Yamada# To put more focus on warnings, be less verbose as default
496825a95bSMasahiro Yamada# Use 'make V=1' to see the full commands
506825a95bSMasahiro Yamada
516825a95bSMasahiro Yamadaifeq ("$(origin V)", "command line")
526825a95bSMasahiro Yamada  KBUILD_VERBOSE = $(V)
537ebf7443Swdenkendif
546825a95bSMasahiro Yamadaifndef KBUILD_VERBOSE
556825a95bSMasahiro Yamada  KBUILD_VERBOSE = 0
566825a95bSMasahiro Yamadaendif
576825a95bSMasahiro Yamada
586825a95bSMasahiro Yamada# Call a source code checker (by default, "sparse") as part of the
596825a95bSMasahiro Yamada# C compilation.
606825a95bSMasahiro Yamada#
616825a95bSMasahiro Yamada# Use 'make C=1' to enable checking of only re-compiled files.
626825a95bSMasahiro Yamada# Use 'make C=2' to enable checking of *all* source files, regardless
636825a95bSMasahiro Yamada# of whether they are re-compiled or not.
646825a95bSMasahiro Yamada#
656825a95bSMasahiro Yamada# See the file "Documentation/sparse.txt" for more details, including
666825a95bSMasahiro Yamada# where to get the "sparse" utility.
676825a95bSMasahiro Yamada
686825a95bSMasahiro Yamadaifeq ("$(origin C)", "command line")
696825a95bSMasahiro Yamada  KBUILD_CHECKSRC = $(C)
706825a95bSMasahiro Yamadaendif
716825a95bSMasahiro Yamadaifndef KBUILD_CHECKSRC
726825a95bSMasahiro Yamada  KBUILD_CHECKSRC = 0
736825a95bSMasahiro Yamadaendif
746825a95bSMasahiro Yamada
756825a95bSMasahiro Yamada# Use make M=dir to specify directory of external module to build
766825a95bSMasahiro Yamada# Old syntax make ... SUBDIRS=$PWD is still supported
776825a95bSMasahiro Yamada# Setting the environment variable KBUILD_EXTMOD take precedence
786825a95bSMasahiro Yamadaifdef SUBDIRS
796825a95bSMasahiro Yamada  KBUILD_EXTMOD ?= $(SUBDIRS)
806825a95bSMasahiro Yamadaendif
816825a95bSMasahiro Yamada
826825a95bSMasahiro Yamadaifeq ("$(origin M)", "command line")
836825a95bSMasahiro Yamada  KBUILD_EXTMOD := $(M)
846825a95bSMasahiro Yamadaendif
856825a95bSMasahiro Yamada
869e414032SMasahiro Yamada# kbuild supports saving output files in a separate directory.
879e414032SMasahiro Yamada# To locate output files in a separate directory two syntaxes are supported.
889e414032SMasahiro Yamada# In both cases the working directory must be the root of the kernel src.
899e414032SMasahiro Yamada# 1) O=
909e414032SMasahiro Yamada# Use "make O=dir/to/store/output/files/"
91f9328639SMarian Balakowicz#
929e414032SMasahiro Yamada# 2) Set KBUILD_OUTPUT
939e414032SMasahiro Yamada# Set the environment variable KBUILD_OUTPUT to point to the directory
949e414032SMasahiro Yamada# where the output files shall be placed.
959e414032SMasahiro Yamada# export KBUILD_OUTPUT=dir/to/store/output/files/
969e414032SMasahiro Yamada# make
97f9328639SMarian Balakowicz#
989e414032SMasahiro Yamada# The O= assignment takes precedence over the KBUILD_OUTPUT environment
999e414032SMasahiro Yamada# variable.
1007ebf7443Swdenk
1019e414032SMasahiro Yamada
1029e414032SMasahiro Yamada# KBUILD_SRC is set on invocation of make in OBJ directory
1039e414032SMasahiro Yamada# KBUILD_SRC is not intended to be used by the regular user (for now)
1049e414032SMasahiro Yamadaifeq ($(KBUILD_SRC),)
1059e414032SMasahiro Yamada
1069e414032SMasahiro Yamada# OK, Make called in directory where kernel src resides
1079e414032SMasahiro Yamada# Do we want to locate output files in a separate directory?
108f9328639SMarian Balakowiczifeq ("$(origin O)", "command line")
1099e414032SMasahiro Yamada  KBUILD_OUTPUT := $(O)
110f9328639SMarian Balakowiczendif
1117ebf7443Swdenk
1129e414032SMasahiro Yamadaifeq ("$(origin W)", "command line")
1139e414032SMasahiro Yamada  export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
1149e414032SMasahiro Yamadaendif
1159e414032SMasahiro Yamada
1169e414032SMasahiro Yamada# That's our default target when none is given on the command line
1179e414032SMasahiro YamadaPHONY := _all
1189e414032SMasahiro Yamada_all:
1199e414032SMasahiro Yamada
1209e414032SMasahiro Yamada# Cancel implicit rules on top Makefile
1219e414032SMasahiro Yamada$(CURDIR)/Makefile Makefile: ;
1229e414032SMasahiro Yamada
1239e414032SMasahiro Yamadaifneq ($(KBUILD_OUTPUT),)
1249e414032SMasahiro Yamada# Invoke a second make in the output directory, passing relevant variables
1259e414032SMasahiro Yamada# check that the output directory actually exists
1269e414032SMasahiro Yamadasaved-output := $(KBUILD_OUTPUT)
1279e414032SMasahiro YamadaKBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
1289e414032SMasahiro Yamada$(if $(KBUILD_OUTPUT),, \
1299e414032SMasahiro Yamada     $(error output directory "$(saved-output)" does not exist))
1309e414032SMasahiro Yamada
1319e414032SMasahiro YamadaPHONY += $(MAKECMDGOALS) sub-make
1329e414032SMasahiro Yamada
1339e414032SMasahiro Yamada$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
1349e414032SMasahiro Yamada	@:
1359e414032SMasahiro Yamada
1369e414032SMasahiro Yamadasub-make: FORCE
1379e414032SMasahiro Yamada	$(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \
1389e414032SMasahiro Yamada	KBUILD_SRC=$(CURDIR) \
1399e414032SMasahiro Yamada	KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \
1409e414032SMasahiro Yamada	$(filter-out _all sub-make,$(MAKECMDGOALS))
1419e414032SMasahiro Yamada
1429e414032SMasahiro Yamada# Leave processing to above invocation of make
1439e414032SMasahiro Yamadaskip-makefile := 1
1449e414032SMasahiro Yamadaendif # ifneq ($(KBUILD_OUTPUT),)
1459e414032SMasahiro Yamadaendif # ifeq ($(KBUILD_SRC),)
1469e414032SMasahiro Yamada
1479e414032SMasahiro Yamada# We process the rest of the Makefile if this is the final invocation of make
1489e414032SMasahiro Yamadaifeq ($(skip-makefile),)
1499e414032SMasahiro Yamada
1506825a95bSMasahiro Yamada# If building an external module we do not care about the all: rule
1516825a95bSMasahiro Yamada# but instead _all depend on modules
1529e414032SMasahiro YamadaPHONY += all
1536825a95bSMasahiro Yamadaifeq ($(KBUILD_EXTMOD),)
1549e414032SMasahiro Yamada_all: all
1556825a95bSMasahiro Yamadaelse
1566825a95bSMasahiro Yamada_all: modules
1576825a95bSMasahiro Yamadaendif
1589e414032SMasahiro Yamada
1599e414032SMasahiro Yamadasrctree		:= $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
1609e414032SMasahiro Yamadaobjtree		:= $(CURDIR)
1619e414032SMasahiro Yamadasrc		:= $(srctree)
1629e414032SMasahiro Yamadaobj		:= $(objtree)
1639e414032SMasahiro Yamada
1649e414032SMasahiro YamadaVPATH		:= $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
1659e414032SMasahiro Yamada
1669e414032SMasahiro Yamadaexport srctree objtree VPATH
1679e414032SMasahiro Yamada
1689e414032SMasahiro YamadaOBJTREE		:= $(objtree)
169c8f9c302SDaniel SchwierzeckSPLTREE		:= $(OBJTREE)/spl
1703aa29de0SYing ZhangTPLTREE		:= $(OBJTREE)/tpl
1719e414032SMasahiro YamadaSRCTREE		:= $(srctree)
172f9328639SMarian BalakowiczTOPDIR		:= $(SRCTREE)
1739e414032SMasahiro Yamadaexport	TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
174f9328639SMarian Balakowicz
175f9328639SMarian BalakowiczMKCONFIG	:= $(SRCTREE)/mkconfig
176f9328639SMarian Balakowiczexport MKCONFIG
177f9328639SMarian Balakowicz
1785013c09fSWolfgang Denk# Make sure CDPATH settings don't interfere
1795013c09fSWolfgang Denkunexport CDPATH
1805013c09fSWolfgang Denk
181f9328639SMarian Balakowicz#########################################################################
182f9328639SMarian Balakowicz
1837ebf7443SwdenkHOSTARCH := $(shell uname -m | \
1847ebf7443Swdenk	sed -e s/i.86/x86/ \
1857ebf7443Swdenk	    -e s/sun4u/sparc64/ \
1867ebf7443Swdenk	    -e s/arm.*/arm/ \
1877ebf7443Swdenk	    -e s/sa110/arm/ \
1887ebf7443Swdenk	    -e s/ppc64/powerpc/ \
1897ebf7443Swdenk	    -e s/ppc/powerpc/ \
1907ebf7443Swdenk	    -e s/macppc/powerpc/\
1917ebf7443Swdenk	    -e s/sh.*/sh/)
1927ebf7443Swdenk
1937ebf7443SwdenkHOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
1947ebf7443Swdenk	    sed -e 's/\(cygwin\).*/cygwin/')
1957ebf7443Swdenk
1967ebf7443Swdenkexport	HOSTARCH HOSTOS
1977ebf7443Swdenk
1987ebf7443Swdenk# Deal with colliding definitions from tcsh etc.
1997ebf7443SwdenkVENDOR=
2007ebf7443Swdenk
2017ebf7443Swdenk#########################################################################
202f9328639SMarian Balakowicz
2031ea6bcd8SMike Frysinger# set default to nothing for native builds
204a5284efdSWolfgang Denkifeq ($(HOSTARCH),$(ARCH))
2051ea6bcd8SMike FrysingerCROSS_COMPILE ?=
2067ebf7443Swdenkendif
2077ebf7443Swdenk
208f6322eb7SMasahiro Yamada# SHELL used by kbuild
209f6322eb7SMasahiro YamadaCONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
210f6322eb7SMasahiro Yamada	  else if [ -x /bin/bash ]; then echo /bin/bash; \
211f6322eb7SMasahiro Yamada	  else echo sh; fi ; fi)
212f6322eb7SMasahiro Yamada
213f6322eb7SMasahiro YamadaHOSTCC       = gcc
214f6322eb7SMasahiro YamadaHOSTCFLAGS   = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
215f6322eb7SMasahiro Yamada
216f6322eb7SMasahiro Yamadaifeq ($(HOSTOS),cygwin)
217f6322eb7SMasahiro YamadaHOSTCFLAGS	+= -ansi
218f6322eb7SMasahiro Yamadaendif
219f6322eb7SMasahiro Yamada
220f6322eb7SMasahiro Yamada# Mac OS X / Darwin's C preprocessor is Apple specific.  It
221f6322eb7SMasahiro Yamada# generates numerous errors and warnings.  We want to bypass it
222f6322eb7SMasahiro Yamada# and use GNU C's cpp.	To do this we pass the -traditional-cpp
223f6322eb7SMasahiro Yamada# option to the compiler.  Note that the -traditional-cpp flag
224f6322eb7SMasahiro Yamada# DOES NOT have the same semantics as GNU C's flag, all it does
225f6322eb7SMasahiro Yamada# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
226f6322eb7SMasahiro Yamada#
227f6322eb7SMasahiro Yamada# Apple's linker is similar, thanks to the new 2 stage linking
228f6322eb7SMasahiro Yamada# multiple symbol definitions are treated as errors, hence the
229f6322eb7SMasahiro Yamada# -multiply_defined suppress option to turn off this error.
230f6322eb7SMasahiro Yamada#
231f6322eb7SMasahiro Yamadaifeq ($(HOSTOS),darwin)
232f6322eb7SMasahiro Yamada# get major and minor product version (e.g. '10' and '6' for Snow Leopard)
233f6322eb7SMasahiro YamadaDARWIN_MAJOR_VERSION	= $(shell sw_vers -productVersion | cut -f 1 -d '.')
234f6322eb7SMasahiro YamadaDARWIN_MINOR_VERSION	= $(shell sw_vers -productVersion | cut -f 2 -d '.')
235f6322eb7SMasahiro Yamada
236f6322eb7SMasahiro Yamadaos_x_before	= $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
237f6322eb7SMasahiro Yamada	$(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
238f6322eb7SMasahiro Yamada
239f6322eb7SMasahiro Yamada# Snow Leopards build environment has no longer restrictions as described above
240f6322eb7SMasahiro YamadaHOSTCC       = $(call os_x_before, 10, 5, "cc", "gcc")
241f6322eb7SMasahiro YamadaHOSTCFLAGS  += $(call os_x_before, 10, 4, "-traditional-cpp")
242f6322eb7SMasahiro YamadaHOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
243f6322eb7SMasahiro Yamadaendif
244f6322eb7SMasahiro Yamada
2456825a95bSMasahiro Yamada# Decide whether to build built-in, modular, or both.
2466825a95bSMasahiro Yamada# Normally, just do built-in.
2476825a95bSMasahiro Yamada
2486825a95bSMasahiro YamadaKBUILD_MODULES :=
2496825a95bSMasahiro YamadaKBUILD_BUILTIN := 1
2506825a95bSMasahiro Yamada
2516825a95bSMasahiro Yamada#	If we have only "make modules", don't compile built-in objects.
2526825a95bSMasahiro Yamada#	When we're building modules with modversions, we need to consider
2536825a95bSMasahiro Yamada#	the built-in objects during the descend as well, in order to
2546825a95bSMasahiro Yamada#	make sure the checksums are up to date before we record them.
2556825a95bSMasahiro Yamada
2566825a95bSMasahiro Yamadaifeq ($(MAKECMDGOALS),modules)
2576825a95bSMasahiro Yamada  KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)
2586825a95bSMasahiro Yamadaendif
2596825a95bSMasahiro Yamada
2606825a95bSMasahiro Yamada#	If we have "make <whatever> modules", compile modules
2616825a95bSMasahiro Yamada#	in addition to whatever we do anyway.
2626825a95bSMasahiro Yamada#	Just "make" or "make all" shall build modules as well
2636825a95bSMasahiro Yamada
2646825a95bSMasahiro Yamada# U-Boot does not need modules
2656825a95bSMasahiro Yamada#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
2666825a95bSMasahiro Yamada#  KBUILD_MODULES := 1
2676825a95bSMasahiro Yamada#endif
2686825a95bSMasahiro Yamada
2696825a95bSMasahiro Yamada#ifeq ($(MAKECMDGOALS),)
2706825a95bSMasahiro Yamada#  KBUILD_MODULES := 1
2716825a95bSMasahiro Yamada#endif
2726825a95bSMasahiro Yamada
2736825a95bSMasahiro Yamadaexport KBUILD_MODULES KBUILD_BUILTIN
2746825a95bSMasahiro Yamadaexport KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
2756825a95bSMasahiro Yamada
2766825a95bSMasahiro Yamada# Beautify output
2776825a95bSMasahiro Yamada# ---------------------------------------------------------------------------
2786825a95bSMasahiro Yamada#
2796825a95bSMasahiro Yamada# Normally, we echo the whole command before executing it. By making
2806825a95bSMasahiro Yamada# that echo $($(quiet)$(cmd)), we now have the possibility to set
2816825a95bSMasahiro Yamada# $(quiet) to choose other forms of output instead, e.g.
2826825a95bSMasahiro Yamada#
2836825a95bSMasahiro Yamada#         quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
2846825a95bSMasahiro Yamada#         cmd_cc_o_c       = $(CC) $(c_flags) -c -o $@ $<
2856825a95bSMasahiro Yamada#
2866825a95bSMasahiro Yamada# If $(quiet) is empty, the whole command will be printed.
2876825a95bSMasahiro Yamada# If it is set to "quiet_", only the short version will be printed.
2886825a95bSMasahiro Yamada# If it is set to "silent_", nothing will be printed at all, since
2896825a95bSMasahiro Yamada# the variable $(silent_cmd_cc_o_c) doesn't exist.
2906825a95bSMasahiro Yamada#
2916825a95bSMasahiro Yamada# A simple variant is to prefix commands with $(Q) - that's useful
2926825a95bSMasahiro Yamada# for commands that shall be hidden in non-verbose mode.
2936825a95bSMasahiro Yamada#
2946825a95bSMasahiro Yamada#	$(Q)ln $@ :<
2956825a95bSMasahiro Yamada#
2966825a95bSMasahiro Yamada# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
2976825a95bSMasahiro Yamada# If KBUILD_VERBOSE equals 1 then the above command is displayed.
2986825a95bSMasahiro Yamada
2996825a95bSMasahiro Yamadaifeq ($(KBUILD_VERBOSE),1)
3006825a95bSMasahiro Yamada  quiet =
3016825a95bSMasahiro Yamada  Q =
3026825a95bSMasahiro Yamadaelse
3036825a95bSMasahiro Yamada  quiet=quiet_
3046825a95bSMasahiro Yamada  Q = @
3056825a95bSMasahiro Yamadaendif
3066825a95bSMasahiro Yamada
3076825a95bSMasahiro Yamada# If the user is running make -s (silent mode), suppress echoing of
3086825a95bSMasahiro Yamada# commands
3096825a95bSMasahiro Yamada
3106825a95bSMasahiro Yamadaifneq ($(filter s% -s%,$(MAKEFLAGS)),)
3116825a95bSMasahiro Yamada  quiet=silent_
3126825a95bSMasahiro Yamadaendif
3136825a95bSMasahiro Yamada
3146825a95bSMasahiro Yamadaexport quiet Q KBUILD_VERBOSE
3156825a95bSMasahiro Yamada
3166825a95bSMasahiro Yamada
3179e414032SMasahiro Yamada# Look for make include files relative to root of kernel src
3189e414032SMasahiro YamadaMAKEFLAGS += --include-dir=$(srctree)
3199e414032SMasahiro Yamada
320bf4b3de1SMasahiro Yamada# We need some generic definitions (do not try to remake the file).
321bf4b3de1SMasahiro Yamada$(srctree)/scripts/Kbuild.include: ;
322bf4b3de1SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include
323bf4b3de1SMasahiro Yamada
324f6322eb7SMasahiro Yamada# Make variables (CC, etc...)
325f6322eb7SMasahiro Yamada
326f6322eb7SMasahiro YamadaAS		= $(CROSS_COMPILE)as
327f6322eb7SMasahiro Yamada# Always use GNU ld
328f6322eb7SMasahiro Yamadaifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),)
329f6322eb7SMasahiro YamadaLD		= $(CROSS_COMPILE)ld.bfd
330f6322eb7SMasahiro Yamadaelse
331f6322eb7SMasahiro YamadaLD		= $(CROSS_COMPILE)ld
332f6322eb7SMasahiro Yamadaendif
333f6322eb7SMasahiro YamadaCC		= $(CROSS_COMPILE)gcc
334f6322eb7SMasahiro YamadaCPP		= $(CC) -E
335f6322eb7SMasahiro YamadaAR		= $(CROSS_COMPILE)ar
336f6322eb7SMasahiro YamadaNM		= $(CROSS_COMPILE)nm
337f6322eb7SMasahiro YamadaLDR		= $(CROSS_COMPILE)ldr
338f6322eb7SMasahiro YamadaSTRIP		= $(CROSS_COMPILE)strip
339f6322eb7SMasahiro YamadaOBJCOPY		= $(CROSS_COMPILE)objcopy
340f6322eb7SMasahiro YamadaOBJDUMP		= $(CROSS_COMPILE)objdump
341f6322eb7SMasahiro YamadaAWK		= awk
342f6322eb7SMasahiro YamadaRANLIB		= $(CROSS_COMPILE)RANLIB
343f6322eb7SMasahiro YamadaDTC		= dtc
344f6322eb7SMasahiro YamadaCHECK		= sparse
345f6322eb7SMasahiro Yamada
346f6322eb7SMasahiro YamadaCHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
347f6322eb7SMasahiro Yamada		  -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
348f6322eb7SMasahiro Yamada
3492b3c9d3dSMasahiro YamadaKBUILD_CPPFLAGS := -D__KERNEL__
3502b3c9d3dSMasahiro Yamada
3512b3c9d3dSMasahiro YamadaKBUILD_CFLAGS   := -Wall -Wstrict-prototypes \
3522b3c9d3dSMasahiro Yamada		   -Wno-format-security \
3532b3c9d3dSMasahiro Yamada		   -fno-builtin -ffreestanding
3542b3c9d3dSMasahiro YamadaKBUILD_AFLAGS   := -D__ASSEMBLY__
3552b3c9d3dSMasahiro Yamada
3567424145fSMasahiro Yamada# Read UBOOTRELEASE from include/config/uboot.release (if it exists)
3577424145fSMasahiro YamadaUBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null)
3587424145fSMasahiro YamadaUBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
3595f30f3beSMasahiro Yamada
3607424145fSMasahiro Yamadaexport VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
361433b2f1eSMasahiro Yamadaexport ARCH CPU BOARD VENDOR SOC
362f6322eb7SMasahiro Yamadaexport CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
363f6322eb7SMasahiro Yamadaexport CPP AR NM LDR STRIP OBJCOPY OBJDUMP
364f6322eb7SMasahiro Yamadaexport MAKE AWK
365f6322eb7SMasahiro Yamadaexport DTC CHECK CHECKFLAGS
366f6322eb7SMasahiro Yamada
367fea1ca8eSMasahiro Yamadaexport KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE
3682b3c9d3dSMasahiro Yamadaexport KBUILD_CFLAGS KBUILD_AFLAGS
3692b3c9d3dSMasahiro Yamada
3706825a95bSMasahiro Yamada# When compiling out-of-tree modules, put MODVERDIR in the module
3716825a95bSMasahiro Yamada# tree rather than in the kernel tree. The kernel tree might
3726825a95bSMasahiro Yamada# even be read-only.
3736825a95bSMasahiro Yamadaexport MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions
3746825a95bSMasahiro Yamada
3756825a95bSMasahiro Yamada# Files to ignore in find ... statements
3766825a95bSMasahiro Yamada
3776825a95bSMasahiro YamadaRCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \
3786825a95bSMasahiro Yamada		   -o -name .pc -o -name .hg -o -name .git \) -prune -o
3796825a95bSMasahiro Yamadaexport RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
3806825a95bSMasahiro Yamada			 --exclude CVS --exclude .pc --exclude .hg --exclude .git
3816825a95bSMasahiro Yamada
3826825a95bSMasahiro Yamada# ===========================================================================
3836825a95bSMasahiro Yamada# Rules shared between *config targets and build targets
3846825a95bSMasahiro Yamada
3856825a95bSMasahiro Yamada# Basic helpers built in scripts/
3866825a95bSMasahiro YamadaPHONY += scripts_basic
3876825a95bSMasahiro Yamadascripts_basic:
3886825a95bSMasahiro Yamada	$(Q)$(MAKE) $(build)=scripts/basic
3896825a95bSMasahiro Yamada	$(Q)rm -f .tmp_quiet_recordmcount
3906825a95bSMasahiro Yamada
3916825a95bSMasahiro Yamada# To avoid any implicit rule to kick in, define an empty command.
3926825a95bSMasahiro Yamadascripts/basic/%: scripts_basic ;
3936825a95bSMasahiro Yamada
3943341bfecSMasahiro YamadaPHONY += outputmakefile
3953341bfecSMasahiro Yamada# outputmakefile generates a Makefile in the output directory, if using a
3963341bfecSMasahiro Yamada# separate output directory. This allows convenient use of make in the
3973341bfecSMasahiro Yamada# output directory.
3983341bfecSMasahiro Yamadaoutputmakefile:
3993341bfecSMasahiro Yamadaifneq ($(KBUILD_SRC),)
4003341bfecSMasahiro Yamada	$(Q)ln -fsn $(srctree) source
4013341bfecSMasahiro Yamada	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
4023341bfecSMasahiro Yamada	    $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
4033341bfecSMasahiro Yamadaendif
4043341bfecSMasahiro Yamada
405433b2f1eSMasahiro Yamada# To make sure we do not include .config for any of the *config targets
406433b2f1eSMasahiro Yamada# catch them early, and hand them over to scripts/kconfig/Makefile
407433b2f1eSMasahiro Yamada# It is allowed to specify more targets when calling make, including
408433b2f1eSMasahiro Yamada# mixing *config targets and build targets.
409433b2f1eSMasahiro Yamada# For example 'make oldconfig all'.
410433b2f1eSMasahiro Yamada# Detect when mixed targets is specified, and make a second invocation
411433b2f1eSMasahiro Yamada# of make so .config is not included in this case either (for *config).
4126825a95bSMasahiro Yamada
4137424145fSMasahiro Yamadaversion_h := include/generated/version_autogenerated.h
4147424145fSMasahiro Yamadatimestamp_h := include/generated/timestamp_autogenerated.h
4157424145fSMasahiro Yamada
416433b2f1eSMasahiro Yamadano-dot-config-targets := clean clobber mrproper distclean \
41727651187SMasahiro Yamada			 help %docs check% coccicheck \
418*ed1ca528SMasahiro Yamada			 ubootversion backup
4192b3c9d3dSMasahiro Yamada
420433b2f1eSMasahiro Yamadaconfig-targets := 0
421433b2f1eSMasahiro Yamadamixed-targets  := 0
422433b2f1eSMasahiro Yamadadot-config     := 1
4232b3c9d3dSMasahiro Yamada
424433b2f1eSMasahiro Yamadaifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
425433b2f1eSMasahiro Yamada	ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
426433b2f1eSMasahiro Yamada		dot-config := 0
4272b3c9d3dSMasahiro Yamada	endif
4282b3c9d3dSMasahiro Yamadaendif
4292b3c9d3dSMasahiro Yamada
430433b2f1eSMasahiro Yamadaifeq ($(KBUILD_EXTMOD),)
431433b2f1eSMasahiro Yamada        ifneq ($(filter config %config,$(MAKECMDGOALS)),)
432433b2f1eSMasahiro Yamada                config-targets := 1
433433b2f1eSMasahiro Yamada                ifneq ($(filter-out config %config,$(MAKECMDGOALS)),)
434433b2f1eSMasahiro Yamada                        mixed-targets := 1
435433b2f1eSMasahiro Yamada                endif
436433b2f1eSMasahiro Yamada        endif
437433b2f1eSMasahiro Yamadaendif
438433b2f1eSMasahiro Yamada
439433b2f1eSMasahiro Yamadaifeq ($(mixed-targets),1)
440433b2f1eSMasahiro Yamada# ===========================================================================
441433b2f1eSMasahiro Yamada# We're called with mixed targets (*config and build targets).
442433b2f1eSMasahiro Yamada# Handle them one by one.
443433b2f1eSMasahiro Yamada
44453bca5abSMasahiro YamadaPHONY += $(MAKECMDGOALS) build-one-by-one
44553bca5abSMasahiro Yamada
44653bca5abSMasahiro Yamada$(MAKECMDGOALS): build-one-by-one
44753bca5abSMasahiro Yamada	@:
44853bca5abSMasahiro Yamada
44953bca5abSMasahiro Yamadabuild-one-by-one:
45053bca5abSMasahiro Yamada	$(Q)set -e; \
45153bca5abSMasahiro Yamada	for i in $(MAKECMDGOALS); do \
45253bca5abSMasahiro Yamada		$(MAKE) -f $(srctree)/Makefile $$i; \
45353bca5abSMasahiro Yamada	done
454433b2f1eSMasahiro Yamada
455433b2f1eSMasahiro Yamadaelse
456433b2f1eSMasahiro Yamadaifeq ($(config-targets),1)
457433b2f1eSMasahiro Yamada# ===========================================================================
458433b2f1eSMasahiro Yamada# *config targets only - make sure prerequisites are updated, and descend
459433b2f1eSMasahiro Yamada# in scripts/kconfig to make the *config target
460433b2f1eSMasahiro Yamada
461433b2f1eSMasahiro Yamada# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
462433b2f1eSMasahiro Yamada# KBUILD_DEFCONFIG may point out an alternative default configuration
463433b2f1eSMasahiro Yamada# used for 'make defconfig'
464433b2f1eSMasahiro Yamada
4653341bfecSMasahiro Yamada%_config:: outputmakefile
466433b2f1eSMasahiro Yamada	@$(MKCONFIG) -A $(@:_config=)
467433b2f1eSMasahiro Yamada
468433b2f1eSMasahiro Yamadaelse
469433b2f1eSMasahiro Yamada# ===========================================================================
470433b2f1eSMasahiro Yamada# Build targets only - this includes vmlinux, arch specific targets, clean
471433b2f1eSMasahiro Yamada# targets and others. In general all targets except *config targets.
472433b2f1eSMasahiro Yamada
473433b2f1eSMasahiro Yamada# load ARCH, BOARD, and CPU configuration
474433b2f1eSMasahiro Yamada-include include/config.mk
475433b2f1eSMasahiro Yamada
476433b2f1eSMasahiro Yamadaifeq ($(dot-config),1)
477433b2f1eSMasahiro Yamada# Read in config
478433b2f1eSMasahiro Yamada-include include/autoconf.mk
479433b2f1eSMasahiro Yamada-include include/autoconf.mk.dep
480433b2f1eSMasahiro Yamada
48192b197f0SWolfgang Denk# load other configuration
482433b2f1eSMasahiro Yamadainclude $(srctree)/config.mk
48392b197f0SWolfgang Denk
484433b2f1eSMasahiro Yamadaifeq ($(wildcard include/config.mk),)
485433b2f1eSMasahiro Yamada$(error "System not configured - see README")
486ced0715dSMasahiro Yamadaendif
487fada9e20SSimon Glass
488ced0715dSMasahiro Yamadaifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
489ced0715dSMasahiro Yamadaifneq ($(CONFIG_SYS_GENERIC_BOARD),)
490433b2f1eSMasahiro Yamada$(error Your architecture does not support generic board. \
491ced0715dSMasahiro YamadaPlease undefined CONFIG_SYS_GENERIC_BOARD in your board config file)
492fada9e20SSimon Glassendif
493fada9e20SSimon Glassendif
494fada9e20SSimon Glass
495d51dfff7SIlya Yanok# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
496d51dfff7SIlya Yanok# that (or fail if absent).  Otherwise, search for a linker script in a
497d51dfff7SIlya Yanok# standard location.
498d51dfff7SIlya Yanok
499ee60197eSSimon GlassLDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
500ee60197eSSimon Glass
501d51dfff7SIlya Yanokifndef LDSCRIPT
502d51dfff7SIlya Yanok	#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
503d51dfff7SIlya Yanok	ifdef CONFIG_SYS_LDSCRIPT
504d51dfff7SIlya Yanok		# need to strip off double quotes
505a8c07541SMasahiro Yamada		LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%)
506d51dfff7SIlya Yanok	endif
507d51dfff7SIlya Yanokendif
508d51dfff7SIlya Yanok
509ee60197eSSimon Glass# If there is no specified link script, we look in a number of places for it
510d51dfff7SIlya Yanokifndef LDSCRIPT
511d51dfff7SIlya Yanok	ifeq ($(CONFIG_NAND_U_BOOT),y)
512d51dfff7SIlya Yanok		LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
513d51dfff7SIlya Yanok		ifeq ($(wildcard $(LDSCRIPT)),)
514d51dfff7SIlya Yanok			LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
515d51dfff7SIlya Yanok		endif
516d51dfff7SIlya Yanok	endif
517d51dfff7SIlya Yanok	ifeq ($(wildcard $(LDSCRIPT)),)
518d51dfff7SIlya Yanok		LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
519d51dfff7SIlya Yanok	endif
520d51dfff7SIlya Yanok	ifeq ($(wildcard $(LDSCRIPT)),)
521d51dfff7SIlya Yanok		LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
522d51dfff7SIlya Yanok	endif
523d51dfff7SIlya Yanok	ifeq ($(wildcard $(LDSCRIPT)),)
524ee60197eSSimon Glass		LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
525ee60197eSSimon Glass		# We don't expect a Makefile here
526ee60197eSSimon Glass		LDSCRIPT_MAKEFILE_DIR =
527ee60197eSSimon Glass	endif
528ee60197eSSimon Glass	ifeq ($(wildcard $(LDSCRIPT)),)
529d51dfff7SIlya Yanok$(error could not find linker script)
530d51dfff7SIlya Yanok	endif
531d51dfff7SIlya Yanokendif
532d51dfff7SIlya Yanok
533433b2f1eSMasahiro Yamadaelse
534433b2f1eSMasahiro Yamada
535433b2f1eSMasahiro Yamada
536433b2f1eSMasahiro Yamadaendif # $(dot-config)
537433b2f1eSMasahiro Yamada
538433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -Os #-fomit-frame-pointer
539433b2f1eSMasahiro Yamada
540433b2f1eSMasahiro Yamadaifdef BUILD_TAG
541433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
542433b2f1eSMasahiro Yamadaendif
543433b2f1eSMasahiro Yamada
544433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
545433b2f1eSMasahiro Yamada
546433b2f1eSMasahiro YamadaKBUILD_CFLAGS	+= -g
547433b2f1eSMasahiro Yamada# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
548433b2f1eSMasahiro Yamada# option to the assembler.
549433b2f1eSMasahiro YamadaKBUILD_AFLAGS	+= -g
550433b2f1eSMasahiro Yamada
551433b2f1eSMasahiro Yamada# Report stack usage if supported
5525b1f1f4aSMasahiro Yamadaifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y)
5535b1f1f4aSMasahiro Yamada	KBUILD_CFLAGS += -fstack-usage
5545b1f1f4aSMasahiro Yamadaendif
555433b2f1eSMasahiro Yamada
556433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
557433b2f1eSMasahiro Yamada
558433b2f1eSMasahiro Yamada# turn jbsr into jsr for m68k
559433b2f1eSMasahiro Yamadaifeq ($(ARCH),m68k)
560433b2f1eSMasahiro Yamadaifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
561433b2f1eSMasahiro YamadaKBUILD_AFLAGS += -Wa,-gstabs,-S
562433b2f1eSMasahiro Yamadaendif
563433b2f1eSMasahiro Yamadaendif
564433b2f1eSMasahiro Yamada
565433b2f1eSMasahiro Yamadaifneq ($(CONFIG_SYS_TEXT_BASE),)
566433b2f1eSMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
567433b2f1eSMasahiro Yamadaendif
568433b2f1eSMasahiro Yamada
569433b2f1eSMasahiro Yamadaexport CONFIG_SYS_TEXT_BASE
570433b2f1eSMasahiro Yamada
571433b2f1eSMasahiro Yamada# Use UBOOTINCLUDE when you must reference the include/ directory.
572433b2f1eSMasahiro Yamada# Needed to be compatible with the O= option
573433b2f1eSMasahiro YamadaUBOOTINCLUDE    :=
574433b2f1eSMasahiro Yamadaifneq ($(OBJTREE),$(SRCTREE))
575433b2f1eSMasahiro YamadaUBOOTINCLUDE	+= -I$(OBJTREE)/include
576433b2f1eSMasahiro Yamadaendif
577433b2f1eSMasahiro YamadaUBOOTINCLUDE	+= -I$(srctree)/include \
578433b2f1eSMasahiro Yamada		-I$(srctree)/arch/$(ARCH)/include
579433b2f1eSMasahiro Yamada
580433b2f1eSMasahiro YamadaNOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
581433b2f1eSMasahiro YamadaCHECKFLAGS     += $(NOSTDINC_FLAGS)
582433b2f1eSMasahiro Yamada
583433b2f1eSMasahiro Yamada# FIX ME
584433b2f1eSMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
585433b2f1eSMasahiro Yamadac_flags := $(KBUILD_CFLAGS) $(cpp_flags)
586433b2f1eSMasahiro Yamada
5877ebf7443Swdenk#########################################################################
5887ebf7443Swdenk# U-Boot objects....order is important (i.e. start must be first)
5897ebf7443Swdenk
590e8a8b824SMasahiro Yamadahead-y := $(CPUDIR)/start.o
591e8a8b824SMasahiro Yamadahead-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o
592e8a8b824SMasahiro Yamadahead-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o
5937ebf7443Swdenk
5949e414032SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
595f9328639SMarian Balakowicz
596656de6b8SMasahiro Yamadalibs-y += lib/
597656de6b8SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
598656de6b8SMasahiro Yamadalibs-y += $(CPUDIR)/
5991d9f4105Swdenkifdef SOC
600656de6b8SMasahiro Yamadalibs-y += $(CPUDIR)/$(SOC)/
6011d9f4105Swdenkendif
602656de6b8SMasahiro Yamadalibs-$(CONFIG_OF_EMBED) += dts/
603656de6b8SMasahiro Yamadalibs-y += arch/$(ARCH)/lib/
604656de6b8SMasahiro Yamadalibs-y += fs/
605656de6b8SMasahiro Yamadalibs-y += net/
606656de6b8SMasahiro Yamadalibs-y += disk/
607656de6b8SMasahiro Yamadalibs-y += drivers/
608656de6b8SMasahiro Yamadalibs-y += drivers/dma/
609656de6b8SMasahiro Yamadalibs-y += drivers/gpio/
610656de6b8SMasahiro Yamadalibs-y += drivers/i2c/
611656de6b8SMasahiro Yamadalibs-y += drivers/input/
612656de6b8SMasahiro Yamadalibs-y += drivers/mmc/
613656de6b8SMasahiro Yamadalibs-y += drivers/mtd/
614656de6b8SMasahiro Yamadalibs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
615656de6b8SMasahiro Yamadalibs-y += drivers/mtd/onenand/
616656de6b8SMasahiro Yamadalibs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
617656de6b8SMasahiro Yamadalibs-y += drivers/mtd/spi/
618656de6b8SMasahiro Yamadalibs-y += drivers/net/
619656de6b8SMasahiro Yamadalibs-y += drivers/net/phy/
620656de6b8SMasahiro Yamadalibs-y += drivers/pci/
621656de6b8SMasahiro Yamadalibs-y += drivers/power/ \
622e2906a59SMasahiro Yamada	drivers/power/fuel_gauge/ \
623e2906a59SMasahiro Yamada	drivers/power/mfd/ \
624e2906a59SMasahiro Yamada	drivers/power/pmic/ \
625e2906a59SMasahiro Yamada	drivers/power/battery/
626656de6b8SMasahiro Yamadalibs-y += drivers/spi/
627656de6b8SMasahiro Yamadalibs-$(CONFIG_FMAN_ENET) += drivers/net/fm/
628656de6b8SMasahiro Yamadalibs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
629656de6b8SMasahiro Yamadalibs-y += drivers/serial/
630656de6b8SMasahiro Yamadalibs-y += drivers/usb/eth/
631656de6b8SMasahiro Yamadalibs-y += drivers/usb/gadget/
632656de6b8SMasahiro Yamadalibs-y += drivers/usb/host/
633656de6b8SMasahiro Yamadalibs-y += drivers/usb/musb/
634656de6b8SMasahiro Yamadalibs-y += drivers/usb/musb-new/
635656de6b8SMasahiro Yamadalibs-y += drivers/usb/phy/
636656de6b8SMasahiro Yamadalibs-y += drivers/usb/ulpi/
637656de6b8SMasahiro Yamadalibs-y += common/
638656de6b8SMasahiro Yamadalibs-y += lib/libfdt/
639656de6b8SMasahiro Yamadalibs-$(CONFIG_API) += api/
640656de6b8SMasahiro Yamadalibs-$(CONFIG_HAS_POST) += post/
641656de6b8SMasahiro Yamadalibs-y += test/
642f9328639SMarian Balakowicz
64324e8bee5SAlison Wangifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
644656de6b8SMasahiro Yamadalibs-y += arch/$(ARCH)/imx-common/
64518936ee2SJason Liuendif
64618936ee2SJason Liu
647656de6b8SMasahiro Yamadalibs-$(CONFIG_ARM) += arch/arm/cpu/
648656de6b8SMasahiro Yamadalibs-$(CONFIG_PPC) += arch/powerpc/cpu/
649852bd07cSMinkyu Kang
650656de6b8SMasahiro Yamadalibs-y += board/$(BOARDDIR)/
65108e39a84SMasahiro Yamada
652656de6b8SMasahiro Yamadalibs-y := $(sort $(libs-y))
653656de6b8SMasahiro Yamada
654656de6b8SMasahiro Yamadau-boot-dirs	:= $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples
655656de6b8SMasahiro Yamada
656656de6b8SMasahiro Yamadau-boot-alldirs	:= $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-))))
657656de6b8SMasahiro Yamada
658656de6b8SMasahiro Yamadalibs-y		:= $(patsubst %/, %/built-in.o, $(libs-y))
659656de6b8SMasahiro Yamada
660656de6b8SMasahiro Yamadau-boot-init := $(head-y)
661656de6b8SMasahiro Yamadau-boot-main := $(libs-y)
662656de6b8SMasahiro Yamada
663a8c7c708Swdenk
6644f7cb08eSwdenk# Add GCC lib
66552b1bf2cSWolfgang Denkifdef USE_PRIVATE_LIBGCC
66652b1bf2cSWolfgang Denkifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
6676825a95bSMasahiro YamadaPLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/lib.a
66852b1bf2cSWolfgang Denkelse
66952b1bf2cSWolfgang DenkPLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
67052b1bf2cSWolfgang Denkendif
67152b1bf2cSWolfgang Denkelse
6726825a95bSMasahiro YamadaPLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
67352b1bf2cSWolfgang Denkendif
67452b1bf2cSWolfgang DenkPLATFORM_LIBS += $(PLATFORM_LIBGCC)
67552b1bf2cSWolfgang Denkexport PLATFORM_LIBS
6763d3befa7Swdenk
6776ac9f479SMike Frysinger# Special flags for CPP when processing the linker script.
6786ac9f479SMike Frysinger# Pass the version down so we can handle backwards compatibility
6796ac9f479SMike Frysinger# on the fly.
6806ac9f479SMike FrysingerLDPPFLAGS += \
6816ac9f479SMike Frysinger	-include $(TOPDIR)/include/u-boot/u-boot.lds.h \
6827e6403a6SSimon Glass	-DCPUDIR=$(CPUDIR) \
6836ac9f479SMike Frysinger	$(shell $(LD) --version | \
6846ac9f479SMike Frysinger	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
6856ac9f479SMike Frysinger
6867ebf7443Swdenk#########################################################################
687bdccc4feSwdenk#########################################################################
6887ebf7443Swdenk
689f3a14d37SMike Frysingerifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
690f3a14d37SMike FrysingerBOARD_SIZE_CHECK = \
691f3a14d37SMike Frysinger	@actual=`wc -c $@ | awk '{print $$1}'`; \
692d060e6f4SJoe Hershberger	limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
693f3a14d37SMike Frysinger	if test $$actual -gt $$limit; then \
694d060e6f4SJoe Hershberger		echo "$@ exceeds file size limit:" >&2 ; \
695d060e6f4SJoe Hershberger		echo "  limit:  $$limit bytes" >&2 ; \
696d060e6f4SJoe Hershberger		echo "  actual: $$actual bytes" >&2 ; \
697d060e6f4SJoe Hershberger		echo "  excess: $$((actual - limit)) bytes" >&2; \
698f3a14d37SMike Frysinger		exit 1; \
699f3a14d37SMike Frysinger	fi
700f3a14d37SMike Frysingerelse
701f3a14d37SMike FrysingerBOARD_SIZE_CHECK =
702f3a14d37SMike Frysingerendif
703f3a14d37SMike Frysinger
7048137af19SScott Wood# Statically apply RELA-style relocations (currently arm64 only)
7058137af19SScott Woodifneq ($(CONFIG_STATIC_RELA),)
7068137af19SScott Wood# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
7078137af19SScott WoodDO_STATIC_RELA = \
7088137af19SScott Wood	start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \
7098137af19SScott Wood	end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \
7109e414032SMasahiro Yamada	tools/relocate-rela $(2) $(3) $$start $$end
7118137af19SScott Woodelse
7128137af19SScott WoodDO_STATIC_RELA =
7138137af19SScott Woodendif
7148137af19SScott Wood
7153e88337bSMike Frysinger# Always append ALL so that arch config.mk's can add custom ones
7169e414032SMasahiro YamadaALL-y += u-boot.srec u-boot.bin System.map
717e935a374SHaiying Wang
7189e414032SMasahiro YamadaALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin
7199e414032SMasahiro YamadaALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin
7209e414032SMasahiro YamadaALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl
7219e414032SMasahiro YamadaALL-$(CONFIG_SPL) += spl/u-boot-spl.bin
7229e414032SMasahiro YamadaALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
7239e414032SMasahiro YamadaALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
7246ab6b2afSMasahiro YamadaALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.bin
725b343bbb5SVadim Bendeburyifneq ($(CONFIG_SPL_TARGET),)
7269e414032SMasahiro YamadaALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
727b343bbb5SVadim Bendeburyendif
7289e414032SMasahiro YamadaALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
7297ebf7443Swdenk
73012b7b70cSAllen Martin# enable combined SPL/u-boot/dtb rules for tegra
7316d6c0baeSTom Warrenifneq ($(CONFIG_TEGRA),)
7327dcd3a21SVidya Sagarifeq ($(CONFIG_SPL),y)
73312b7b70cSAllen Martinifeq ($(CONFIG_OF_SEPARATE),y)
7349e414032SMasahiro YamadaALL-y += u-boot-dtb-tegra.bin
73512b7b70cSAllen Martinelse
7369e414032SMasahiro YamadaALL-y += u-boot-nodtb-tegra.bin
73712b7b70cSAllen Martinendif
73812b7b70cSAllen Martinendif
7397dcd3a21SVidya Sagarendif
74012b7b70cSAllen Martin
741ad0fed46SMasahiro YamadaLDFLAGS_u-boot += $(LDFLAGS_FINAL)
742433b2f1eSMasahiro Yamadaifneq ($(CONFIG_SYS_TEXT_BASE),)
743433b2f1eSMasahiro YamadaLDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
744433b2f1eSMasahiro Yamadaendif
74571f84ef0SMasahiro Yamada
746f9c235fdSMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@
747f9c235fdSMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
748f9c235fdSMasahiro Yamada
7499bf215b0SMasahiro Yamadaquiet_cmd_mkimage = UIMAGE  $@
7509bf215b0SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
7519bf215b0SMasahiro Yamada	$(if $(KBUILD_VERBOSE:1=), >/dev/null)
7529bf215b0SMasahiro Yamada
753ee0acfa2SMasahiro Yamadaquiet_cmd_cat = CAT     $@
754ee0acfa2SMasahiro Yamadacmd_cat = cat $(filter-out $(PHONY), $^) > $@
755ee0acfa2SMasahiro Yamada
756982a1199SMasahiro Yamadaappend = cat $(filter-out $< $(PHONY), $^) >> $@
757982a1199SMasahiro Yamada
758982a1199SMasahiro Yamadaquiet_cmd_pad_cat = CAT     $@
759982a1199SMasahiro Yamadacmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@
760982a1199SMasahiro Yamada
761656de6b8SMasahiro Yamadaall:		$(ALL-y)
7627ebf7443Swdenk
7636ab6b2afSMasahiro YamadaPHONY += dtbs
7646ab6b2afSMasahiro Yamadadtbs dts/dt.dtb: checkdtc u-boot
7656ab6b2afSMasahiro Yamada	$(Q)$(MAKE) $(build)=dts dtbs
7662c0f79e4SSimon Glass
767ee0acfa2SMasahiro Yamadau-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE
768ee0acfa2SMasahiro Yamada	$(call if_changed,cat)
7692c0f79e4SSimon Glass
770f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.hex := -O ihex
7716310eb9dSwdenk
772f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.srec := -O srec
7737ebf7443Swdenk
774f9c235fdSMasahiro Yamadau-boot.hex u-boot.srec: u-boot FORCE
775f9c235fdSMasahiro Yamada	$(call if_changed,objcopy)
776f9c235fdSMasahiro Yamada
777f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.bin := -O binary
778f9c235fdSMasahiro Yamada
779f9c235fdSMasahiro Yamadau-boot.bin: u-boot FORCE
780f9c235fdSMasahiro Yamada	$(call if_changed,objcopy)
7818137af19SScott Wood	$(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
782f3a14d37SMike Frysinger	$(BOARD_SIZE_CHECK)
7837ebf7443Swdenk
7849e414032SMasahiro Yamadau-boot.ldr:	u-boot
78576d82187SMike Frysinger		$(CREATE_LDR_ENV)
78668e56324SMike Frysinger		$(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
787f3a14d37SMike Frysinger		$(BOARD_SIZE_CHECK)
78894a91e24SMike Frysinger
789f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
79094a91e24SMike Frysinger
791f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec
792f9c235fdSMasahiro Yamada
793f9c235fdSMasahiro Yamadau-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
794f9c235fdSMasahiro Yamada	$(call if_changed,objcopy)
79594a91e24SMike Frysinger
796b40bda6bSStefan Roese#
797b40bda6bSStefan Roese# U-Boot entry point, needed for booting of full-blown U-Boot
798b40bda6bSStefan Roese# from the SPL U-Boot version.
799b40bda6bSStefan Roese#
800b40bda6bSStefan Roeseifndef CONFIG_SYS_UBOOT_START
801b40bda6bSStefan RoeseCONFIG_SYS_UBOOT_START := 0
802b40bda6bSStefan Roeseendif
803b40bda6bSStefan Roese
8049bf215b0SMasahiro YamadaMKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
8059bf215b0SMasahiro Yamada	-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
8069bf215b0SMasahiro Yamada	-n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
8079bf215b0SMasahiro Yamada
8089bf215b0SMasahiro YamadaMKIMAGEFLAGS_u-boot.kwb = -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
8099bf215b0SMasahiro Yamada		-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE)
8109bf215b0SMasahiro Yamada
8119bf215b0SMasahiro YamadaMKIMAGEFLAGS_u-boot.pbl = -n $(CONFIG_SYS_FSL_PBL_RCW) \
8129bf215b0SMasahiro Yamada		-R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage
8139bf215b0SMasahiro Yamada
8149bf215b0SMasahiro Yamadau-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE
8159bf215b0SMasahiro Yamada	$(call if_changed,mkimage)
816bdccc4feSwdenk
817656de6b8SMasahiro Yamadau-boot.imx: u-boot.bin
8184e0c8abcSMasahiro Yamada	$(Q)$(MAKE) $(build)=arch/arm/imx-common $@
8198edcde5eSStefano Babic
8209e414032SMasahiro Yamadau-boot.sha1:	u-boot.bin
8219e414032SMasahiro Yamada		tools/ubsha1 u-boot.bin
822566a494fSHeiko Schocher
8239e414032SMasahiro Yamadau-boot.dis:	u-boot
8247ebf7443Swdenk		$(OBJDUMP) -d $< > $@
8257ebf7443Swdenk
8263aa29de0SYing Zhangifdef CONFIG_TPL
8279e414032SMasahiro YamadaSPL_PAYLOAD := tpl/u-boot-with-tpl.bin
8283aa29de0SYing Zhangelse
8299e414032SMasahiro YamadaSPL_PAYLOAD := u-boot.bin
8303aa29de0SYing Zhangendif
83174752baaSScott Wood
832982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \
833982a1199SMasahiro Yamada				   --pad-to=$(CONFIG_SPL_PAD_TO)
834982a1199SMasahiro Yamadau-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE
835982a1199SMasahiro Yamada	$(call if_changed,pad_cat)
8363aa29de0SYing Zhang
837982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \
838982a1199SMasahiro Yamada				   --pad-to=$(CONFIG_TPL_PAD_TO)
839982a1199SMasahiro Yamadatpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE
840982a1199SMasahiro Yamada	$(call if_changed,pad_cat)
8417816f2cfSHeiko Schocher
842630d2345SMasahiro YamadaSPL: spl/u-boot-spl.bin FORCE
843630d2345SMasahiro Yamada	$(Q)$(MAKE) $(build)=arch/arm/imx-common $@
844630d2345SMasahiro Yamada
845630d2345SMasahiro Yamadau-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE
8464e0c8abcSMasahiro Yamada	$(Q)$(MAKE) $(build)=arch/arm/imx-common $@
8477d5a5c79SBenoît Thébaudeau
8489bf215b0SMasahiro YamadaMKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE)
8499bf215b0SMasahiro Yamada
8509bf215b0SMasahiro Yamadau-boot.ubl: u-boot-with-spl.bin FORCE
8519bf215b0SMasahiro Yamada	$(call if_changed,mkimage)
852277f00f5SJosé Miguel Gonçalves
853982a1199SMasahiro YamadaMKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \
854982a1199SMasahiro Yamada	$(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \
855982a1199SMasahiro Yamada	-T aisimage -e $(CONFIG_SPL_TEXT_BASE)
856982a1199SMasahiro Yamadaspl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE
857982a1199SMasahiro Yamada	$(call if_changed,mkimage)
858d36d8859SChristian Riesch
859982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_MAX_SIZE)
860982a1199SMasahiro Yamadau-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE
861982a1199SMasahiro Yamada	$(call if_changed,pad_cat)
862a5453555SOtavio Salvador
8639e414032SMasahiro Yamadau-boot.sb: u-boot.bin spl/u-boot-spl.bin
86403c7b3fcSMasahiro Yamada	$(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs $(objtree)/u-boot.sb
86530b9b932SMarek Vasut
86694aebe6cSStefan Roese# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
86794aebe6cSStefan Roese# Both images are created using mkimage (crc etc), so that the ROM
86894aebe6cSStefan Roese# bootloader can check its integrity. Padding needs to be done to the
86994aebe6cSStefan Roese# SPL image (with mkimage header) and not the binary. Otherwise the resulting image
87094aebe6cSStefan Roese# which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
87194aebe6cSStefan Roese# The resulting image containing both U-Boot images is called u-boot.spr
872982a1199SMasahiro YamadaMKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \
873982a1199SMasahiro Yamada	-a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER
874982a1199SMasahiro Yamadaspl/u-boot-spl.img: spl/u-boot-spl.bin FORCE
875982a1199SMasahiro Yamada	$(call if_changed,mkimage)
876982a1199SMasahiro Yamada
877982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
878982a1199SMasahiro Yamada			  --gap-fill=0xff
879982a1199SMasahiro Yamadau-boot.spr: spl/u-boot-spl.img u-boot.img FORCE
880982a1199SMasahiro Yamada	$(call if_changed,pad_cat)
88194aebe6cSStefan Roese
8826d6c0baeSTom Warrenifneq ($(CONFIG_TEGRA),)
883982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE)
884982a1199SMasahiro Yamadau-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE
885982a1199SMasahiro Yamada	$(call if_changed,pad_cat)
8869972db5cSStephen Warren
8879972db5cSStephen Warrenifeq ($(CONFIG_OF_SEPARATE),y)
888ee0acfa2SMasahiro Yamadau-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE
889ee0acfa2SMasahiro Yamada	$(call if_changed,cat)
8909972db5cSStephen Warrenendif
891984df4ecSAllen Martinendif
892984df4ecSAllen Martin
893ee0acfa2SMasahiro Yamadau-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
894ee0acfa2SMasahiro Yamada	$(call if_changed,cat)
895fb3d2b8aSStefan Roese
896ecddccd0SStefan Roese# PPC4xx needs the SPL at the end of the image, since the reset vector
897ecddccd0SStefan Roese# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
898ecddccd0SStefan Roese# and need to introduce a new build target with the full blown U-Boot
899ecddccd0SStefan Roese# at the start padded up to the start of the SPL image. And then concat
900ecddccd0SStefan Roese# the SPL image to the end.
901982a1199SMasahiro Yamada
902982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \
903982a1199SMasahiro Yamada	--pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff
904982a1199SMasahiro Yamadau-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE
905982a1199SMasahiro Yamada	$(call if_changed,pad_cat)
906ecddccd0SStefan Roese
907f4dc714aSScott Wood# Create a new ELF from a raw binary file.  This is useful for arm64
908f4dc714aSScott Wood# where static relocation needs to be performed on the raw binary,
909f4dc714aSScott Wood# but certain simulators only accept an ELF file (but don't do the
910f4dc714aSScott Wood# relocation).
911f4dc714aSScott Wood# FIXME refactor dts/Makefile to share target/arch detection
9129e414032SMasahiro Yamadau-boot.elf: u-boot.bin
913f4dc714aSScott Wood	@$(OBJCOPY)  -B aarch64 -I binary -O elf64-littleaarch64 \
9149e414032SMasahiro Yamada		$< u-boot-elf.o
9159e414032SMasahiro Yamada	@$(LD) u-boot-elf.o -o $@ \
916f4dc714aSScott Wood		--defsym=_start=$(CONFIG_SYS_TEXT_BASE) \
917f4dc714aSScott Wood		-Ttext=$(CONFIG_SYS_TEXT_BASE)
918f4dc714aSScott Wood
919ad0fed46SMasahiro Yamada# Rule to link u-boot
920ad0fed46SMasahiro Yamada# May be overridden by arch/$(ARCH)/config.mk
921ad0fed46SMasahiro Yamadaquiet_cmd_u-boot__ ?= LD      $@
922ad0fed46SMasahiro Yamada      cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \
923ad0fed46SMasahiro Yamada      -T u-boot.lds $(u-boot-init)                             \
924ad0fed46SMasahiro Yamada      --start-group $(u-boot-main) --end-group                 \
925ad0fed46SMasahiro Yamada      $(PLATFORM_LIBS) -Map u-boot.map
92686eb49b3SSimon Glass
927656de6b8SMasahiro Yamadau-boot:	$(u-boot-init) $(u-boot-main) u-boot.lds
928ad0fed46SMasahiro Yamada	$(call if_changed,u-boot__)
929ecb1dc89SMike Frysingerifeq ($(CONFIG_KALLSYMS),y)
9309e414032SMasahiro Yamada	smap=`$(call SYSTEM_MAP,u-boot) | \
9311aada9cdSWolfgang Denk		awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
9326825a95bSMasahiro Yamada	$(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
9339e414032SMasahiro Yamada		-c $(srctree)/common/system_map.c -o common/system_map.o
934ad0fed46SMasahiro Yamada	$(call cmd,u-boot__) common/system_map.o
935ecb1dc89SMike Frysingerendif
9367ebf7443Swdenk
937656de6b8SMasahiro Yamada# The actual objects are generated when descending,
938656de6b8SMasahiro Yamada# make sure no implicit rule kicks in
939656de6b8SMasahiro Yamada$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ;
940f9328639SMarian Balakowicz
941656de6b8SMasahiro Yamada# Handle descending into subdirectories listed in $(vmlinux-dirs)
942656de6b8SMasahiro Yamada# Preset locale variables to speed up the build process. Limit locale
943656de6b8SMasahiro Yamada# tweaks to this spot to avoid wrong language settings when running
944656de6b8SMasahiro Yamada# make menuconfig etc.
945656de6b8SMasahiro Yamada# Error messages still appears in the original language
946a8c7c708Swdenk
947656de6b8SMasahiro YamadaPHONY += $(u-boot-dirs)
9486378008aSMasahiro Yamada$(u-boot-dirs): prepare scripts
9496825a95bSMasahiro Yamada	$(Q)$(MAKE) $(build)=$@
950940db16dSMasahiro Yamada
9517424145fSMasahiro Yamadatools: prepare
952656de6b8SMasahiro Yamada# The "tools" are needed early
953656de6b8SMasahiro Yamada$(filter-out tools, $(u-boot-dirs)): tools
954656de6b8SMasahiro Yamada# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
955656de6b8SMasahiro Yamada# is "yes"), so compile examples after U-Boot is compiled.
956656de6b8SMasahiro Yamadaexamples: $(filter-out examples, $(u-boot-dirs))
957656de6b8SMasahiro Yamada
9587424145fSMasahiro Yamadadefine filechk_uboot.release
9597424145fSMasahiro Yamada	echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
9607424145fSMasahiro Yamadaendef
9617424145fSMasahiro Yamada
9627424145fSMasahiro Yamada# Store (new) UBOOTRELEASE string in include/config/uboot.release
9637424145fSMasahiro Yamadainclude/config/uboot.release: Makefile FORCE
9647424145fSMasahiro Yamada	$(call filechk,uboot.release)
9657424145fSMasahiro Yamada
9667424145fSMasahiro Yamada
9673341bfecSMasahiro Yamada# Things we need to do before we recursively start building the kernel
9683341bfecSMasahiro Yamada# or the modules are listed in "prepare".
9693341bfecSMasahiro Yamada# A multi level approach is used. prepareN is processed before prepareN-1.
9703341bfecSMasahiro Yamada# archprepare is used in arch Makefiles and when processed asm symlink,
9713341bfecSMasahiro Yamada# version.h and scripts_basic is processed / created.
9723341bfecSMasahiro Yamada
9733341bfecSMasahiro Yamada# Listed in dependency order
9743341bfecSMasahiro YamadaPHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
9753341bfecSMasahiro Yamada
9763341bfecSMasahiro Yamada# prepare3 is used to check if we are building in a separate output directory,
9773341bfecSMasahiro Yamada# and if so do:
9783341bfecSMasahiro Yamada# 1) Check that make has not been executed in the kernel src $(srctree)
9797424145fSMasahiro Yamadaprepare3: include/config/uboot.release
9803341bfecSMasahiro Yamadaifneq ($(KBUILD_SRC),)
9813341bfecSMasahiro Yamada	@$(kecho) '  Using $(srctree) as source for u-boot'
9823341bfecSMasahiro Yamada	$(Q)if [ -f $(srctree)/include/config.mk ]; then \
9833341bfecSMasahiro Yamada		echo >&2 "  $(srctree) is not clean, please run 'make mrproper'"; \
9843341bfecSMasahiro Yamada		echo >&2 "  in the '$(srctree)' directory.";\
9853341bfecSMasahiro Yamada		/bin/false; \
9863341bfecSMasahiro Yamada	fi;
9873341bfecSMasahiro Yamadaendif
9883341bfecSMasahiro Yamada
9893341bfecSMasahiro Yamada# prepare2 creates a makefile if using a separate output directory
9903341bfecSMasahiro Yamadaprepare2: prepare3 outputmakefile
9913341bfecSMasahiro Yamada
9927424145fSMasahiro Yamadaprepare1: prepare2 $(version_h) $(timestamp_h)
9937ebf7443Swdenk	@:
9947ebf7443Swdenk
9953341bfecSMasahiro Yamadaarchprepare: prepare1 scripts_basic
996a8c7c708Swdenk
9976a44d806SMasahiro Yamadaprepare0: archprepare FORCE
9986a44d806SMasahiro Yamada	$(Q)$(MAKE) $(build)=.
9997ebf7443Swdenk
10003341bfecSMasahiro Yamada# All the preparing..
10013341bfecSMasahiro Yamadaprepare: prepare0
1002349e83f0SChe-liang Chiou
10037424145fSMasahiro Yamada# Generate some files
10047424145fSMasahiro Yamada# ---------------------------------------------------------------------------
10057424145fSMasahiro Yamada
10067424145fSMasahiro Yamadadefine filechk_version.h
10077424145fSMasahiro Yamada	(echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
10087424145fSMasahiro Yamada	echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
10097424145fSMasahiro Yamada	echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \
10107424145fSMasahiro Yamada	echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; )
10117424145fSMasahiro Yamadaendef
10127424145fSMasahiro Yamada
10137424145fSMasahiro Yamadadefine filechk_timestamp.h
10147424145fSMasahiro Yamada	(LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
10157424145fSMasahiro Yamada	LC_ALL=C date +'#define U_BOOT_TIME "%T"')
10167424145fSMasahiro Yamadaendef
10177424145fSMasahiro Yamada
10187424145fSMasahiro Yamada$(version_h): $(srctree)/Makefile FORCE
10197424145fSMasahiro Yamada	$(call filechk,version.h)
10207424145fSMasahiro Yamada
10217424145fSMasahiro Yamada$(timestamp_h): $(srctree)/Makefile FORCE
10227424145fSMasahiro Yamada	$(call filechk,timestamp.h)
10237424145fSMasahiro Yamada
1024433b2f1eSMasahiro Yamada#
1025433b2f1eSMasahiro Yamada# Auto-generate the autoconf.mk file (which is included by all makefiles)
1026433b2f1eSMasahiro Yamada#
1027433b2f1eSMasahiro Yamada# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
1028433b2f1eSMasahiro Yamada# the dep file is only include in this top level makefile to determine when
1029433b2f1eSMasahiro Yamada# to regenerate the autoconf.mk file.
10301aada9cdSWolfgang Denk
1031433b2f1eSMasahiro Yamadaquiet_cmd_autoconf_dep = GEN     $@
1032433b2f1eSMasahiro Yamada      cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \
1033433b2f1eSMasahiro Yamada	-MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@
1034887e2ec9SStefan Roese
1035433b2f1eSMasahiro Yamadainclude/autoconf.mk.dep: include/config.h include/common.h
1036433b2f1eSMasahiro Yamada	$(call cmd,autoconf_dep)
1037887e2ec9SStefan Roese
1038433b2f1eSMasahiro Yamadaquiet_cmd_autoconf = GEN     $@
1039433b2f1eSMasahiro Yamada      cmd_autoconf = \
1040433b2f1eSMasahiro Yamada	$(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \
1041433b2f1eSMasahiro Yamada	sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \
1042433b2f1eSMasahiro Yamada	rm $@.tmp
10435df2ee27SDaniel Schwierzeck
1044433b2f1eSMasahiro Yamadainclude/autoconf.mk: include/config.h
1045433b2f1eSMasahiro Yamada	$(call cmd,autoconf)
1046433b2f1eSMasahiro Yamada
10476378008aSMasahiro Yamada# ---------------------------------------------------------------------------
10486378008aSMasahiro Yamada
10496378008aSMasahiro YamadaPHONY += depend dep
10506378008aSMasahiro Yamadadepend dep:
10516378008aSMasahiro Yamada	@echo '*** Warning: make $@ is unnecessary now.'
10526378008aSMasahiro Yamada
10536378008aSMasahiro Yamada# ---------------------------------------------------------------------------
105404a34c96SMasahiro Yamadaquiet_cmd_cpp_lds = LDS     $@
105504a34c96SMasahiro Yamadacmd_cpp_lds = $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ \
105604a34c96SMasahiro Yamada		-x assembler-with-cpp -P -o $@ $<
10576378008aSMasahiro Yamada
105804a34c96SMasahiro Yamadau-boot.lds: $(LDSCRIPT) prepare FORCE
105904a34c96SMasahiro Yamada	$(call if_changed,cpp_lds)
1060f2302d44SStefan Roese
1061ee0acfa2SMasahiro YamadaPHONY += nand_spl
10626378008aSMasahiro Yamadanand_spl: prepare
106303c7b3fcSMasahiro Yamada	$(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all
1064ca6189dbSKyungmin Park
1065ee0acfa2SMasahiro Yamadanand_spl/u-boot-spl-16k.bin: nand_spl
1066ee0acfa2SMasahiro Yamada	@:
1067ee0acfa2SMasahiro Yamada
1068ee0acfa2SMasahiro Yamadau-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE
1069ee0acfa2SMasahiro Yamada	$(call if_changed,cat)
10700d3c62e4SChander Kashyap
1071982a1199SMasahiro Yamadaspl/u-boot-spl.bin: spl/u-boot-spl
1072982a1199SMasahiro Yamada	@:
1073982a1199SMasahiro Yamadaspl/u-boot-spl: tools prepare
107403c7b3fcSMasahiro Yamada	$(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all
10750d3c62e4SChander Kashyap
10766378008aSMasahiro Yamadatpl/u-boot-tpl.bin: tools prepare
107703c7b3fcSMasahiro Yamada	$(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y
10783aa29de0SYing Zhang
1079656de6b8SMasahiro YamadaTAG_SUBDIRS := $(u-boot-dirs) include
1080a340c325SJean-Christophe PLAGNIOL-VILLARD
1081857d9ea6SHorst KronstorferFIND := find
1082857d9ea6SHorst KronstorferFINDFLAGS := -L
1083857d9ea6SHorst Kronstorfer
1084f9328639SMarian Balakowicztags ctags:
10859e414032SMasahiro Yamada		ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1086e5e4e705SLi Yang						-name '*.[chS]' -print`
10877ebf7443Swdenk
10887ebf7443Swdenketags:
1089857d9ea6SHorst Kronstorfer		etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1090e5e4e705SLi Yang						-name '*.[chS]' -print`
1091ffda586fSLi Yangcscope:
1092857d9ea6SHorst Kronstorfer		$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
1093857d9ea6SHorst Kronstorfer						cscope.files
1094ffda586fSLi Yang		cscope -b -q -k
10957ebf7443Swdenk
1096ecb1dc89SMike FrysingerSYSTEM_MAP = \
1097ecb1dc89SMike Frysinger		$(NM) $1 | \
10987ebf7443Swdenk		grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
1099ecb1dc89SMike Frysinger		LC_ALL=C sort
11009e414032SMasahiro YamadaSystem.map:	u-boot
1101bc8bb6ecSMasahiro Yamada		@$(call SYSTEM_MAP,$<) > $@
11027ebf7443Swdenk
110306a119a0STom Rinicheckthumb:
110406a119a0STom Rini	@if test $(call cc-version) -lt 0404; then \
110506a119a0STom Rini		echo -n '*** Your GCC does not produce working '; \
110606a119a0STom Rini		echo 'binaries in THUMB mode.'; \
110706a119a0STom Rini		echo '*** Your board is configured for THUMB mode.'; \
110806a119a0STom Rini		false; \
110906a119a0STom Rini	fi
11106ec63f41SScott Wood
11116ec63f41SScott Wood# GCC 3.x is reported to have problems generating the type of relocation
11126ec63f41SScott Wood# that U-Boot wants.
11136ec63f41SScott Wood# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
11146ec63f41SScott Woodcheckgcc4:
11156ec63f41SScott Wood	@if test $(call cc-version) -lt 0400; then \
11166ec63f41SScott Wood		echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
11176ec63f41SScott Wood		false; \
11186ec63f41SScott Wood	fi
11196ec63f41SScott Wood
1120501ebdf2SStephen Warrencheckdtc:
1121501ebdf2SStephen Warren	@if test $(call dtc-version) -lt 0104; then \
1122501ebdf2SStephen Warren		echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
1123501ebdf2SStephen Warren		false; \
1124501ebdf2SStephen Warren	fi
1125501ebdf2SStephen Warren
11267ebf7443Swdenk#########################################################################
11277ebf7443Swdenk
112854799e45SScott Wood# ARM relocations should all be R_ARM_RELATIVE (32-bit) or
112954799e45SScott Wood# R_AARCH64_RELATIVE (64-bit).
11309e414032SMasahiro Yamadacheckarmreloc: u-boot
113154799e45SScott Wood	@RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
113254799e45SScott Wood		grep R_A | sort -u`"; \
113354799e45SScott Wood	if test "$$RELOC" != "R_ARM_RELATIVE" -a \
113454799e45SScott Wood		 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
113554799e45SScott Wood		echo "$< contains unexpected relocations: $$RELOC"; \
113654799e45SScott Wood		false; \
113754799e45SScott Wood	fi
1138c37980c3SAlbert ARIBAUD
11397424145fSMasahiro Yamadaenv: scripts_basic
11403f76e984SMasahiro Yamada	$(Q)$(MAKE) $(build)=tools/$@
11410358df42SMike Frysinger
11422887c473SMasahiro Yamadatools-all: HOST_TOOLS_ALL=y
11432887c473SMasahiro Yamadatools-all: env tools ;
11440358df42SMike Frysinger
11454e53a258SWolfgang Denk.PHONY : CHANGELOG
11464e53a258SWolfgang DenkCHANGELOG:
1147b985b5d6SBen Warren	git log --no-merges U-Boot-1_1_5.. | \
1148b985b5d6SBen Warren	unexpand -a | sed -e 's/\s\s*$$//' > $@
11494e53a258SWolfgang Denk
11500a823aa2SHarald Welteinclude/license.h: tools/bin2header COPYING
11510a823aa2SHarald Welte	cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
11527ebf7443Swdenk#########################################################################
11537ebf7443Swdenk
1154efcf8619SMasahiro Yamada###
1155efcf8619SMasahiro Yamada# Cleaning is done on three levels.
1156efcf8619SMasahiro Yamada# make clean     Delete most generated files
1157efcf8619SMasahiro Yamada#                Leave enough to build external modules
1158efcf8619SMasahiro Yamada# make mrproper  Delete the current configuration, and all generated files
1159efcf8619SMasahiro Yamada# make distclean Remove editor backup files, patch leftover files and the like
11607ebf7443Swdenk
1161efcf8619SMasahiro Yamada# Directories & files removed with 'make clean'
1162efcf8619SMasahiro YamadaCLEAN_DIRS  += $(MODVERDIR)
1163efcf8619SMasahiro YamadaCLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \
11646ab6b2afSMasahiro Yamada	       board/*/config.tmp board/*/*/config.tmp \
1165efcf8619SMasahiro Yamada	       include/autoconf.mk* include/spl-autoconf.mk \
1166433b2f1eSMasahiro Yamada	       include/tpl-autoconf.mk
1167a6862bc1SWolfgang Denk
1168efcf8619SMasahiro Yamada# Directories & files removed with 'make clobber'
1169efcf8619SMasahiro YamadaCLOBBER_DIRS  += $(patsubst %,spl/%, $(filter-out Makefile, \
1170efcf8619SMasahiro Yamada		 $(shell ls -1 spl 2>/dev/null))) \
1171efcf8619SMasahiro Yamada		 tpl
117273c8b52bSMasahiro YamadaCLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot*
11739f4a4206SMike Frysinger
1174efcf8619SMasahiro Yamada# Directories & files removed with 'make mrproper'
1175efcf8619SMasahiro YamadaMRPROPER_DIRS  += include/config include/generated
1176efcf8619SMasahiro YamadaMRPROPER_FILES += .config .config.old \
1177efcf8619SMasahiro Yamada		  tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
1178efcf8619SMasahiro Yamada		  include/config.h include/config.mk
11797ebf7443Swdenk
1180efcf8619SMasahiro Yamada# clean - Delete most, but leave enough to build external modules
1181efcf8619SMasahiro Yamada#
1182efcf8619SMasahiro Yamadaclean: rm-dirs  := $(CLEAN_DIRS)
1183efcf8619SMasahiro Yamadaclean: rm-files := $(CLEAN_FILES)
11847ebf7443Swdenk
1185efcf8619SMasahiro Yamadaclean-dirs	:= $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f))
1186734329f9SAndy Fleming
1187efcf8619SMasahiro Yamadaclean-dirs      := $(addprefix _clean_, $(clean-dirs) doc/DocBook)
11887ebf7443Swdenk
1189efcf8619SMasahiro YamadaPHONY += $(clean-dirs) clean archclean
1190efcf8619SMasahiro Yamada$(clean-dirs):
1191efcf8619SMasahiro Yamada	$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
1192efcf8619SMasahiro Yamada
1193efcf8619SMasahiro Yamada# TODO: Do not use *.cfgtmp
1194efcf8619SMasahiro Yamadaclean: $(clean-dirs)
1195efcf8619SMasahiro Yamada	$(call cmd,rmdirs)
1196efcf8619SMasahiro Yamada	$(call cmd,rmfiles)
1197efcf8619SMasahiro Yamada	@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
1198efcf8619SMasahiro Yamada		\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
1199efcf8619SMasahiro Yamada		-o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \
1200efcf8619SMasahiro Yamada		-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
1201efcf8619SMasahiro Yamada		-o -name '*.symtypes' -o -name 'modules.order' \
1202efcf8619SMasahiro Yamada		-o -name modules.builtin -o -name '.tmp_*.o.*' \
1203efcf8619SMasahiro Yamada		-o -name '*.gcno' \) -type f -print | xargs rm -f
1204efcf8619SMasahiro Yamada	@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
1205efcf8619SMasahiro Yamada		-path './nand_spl/*' -type l -print | xargs rm -f
1206efcf8619SMasahiro Yamada
1207efcf8619SMasahiro Yamada# clobber
1208efcf8619SMasahiro Yamada#
1209efcf8619SMasahiro Yamadaclobber: rm-dirs  := $(CLOBBER_DIRS)
1210efcf8619SMasahiro Yamadaclobber: rm-files := $(CLOBBER_FILES)
1211efcf8619SMasahiro Yamada
1212efcf8619SMasahiro YamadaPHONY += clobber
1213efcf8619SMasahiro Yamada
1214efcf8619SMasahiro Yamadaclobber: clean
1215efcf8619SMasahiro Yamada	$(call cmd,rmdirs)
1216efcf8619SMasahiro Yamada	$(call cmd,rmfiles)
1217efcf8619SMasahiro Yamada
1218efcf8619SMasahiro Yamada# mrproper - Delete all generated files, including .config
1219efcf8619SMasahiro Yamada#
1220efcf8619SMasahiro Yamadamrproper: rm-dirs  := $(wildcard $(MRPROPER_DIRS))
1221efcf8619SMasahiro Yamadamrproper: rm-files := $(wildcard $(MRPROPER_FILES))
1222efcf8619SMasahiro Yamadamrproper-dirs      := $(addprefix _mrproper_,scripts)
1223efcf8619SMasahiro Yamada
1224efcf8619SMasahiro YamadaPHONY += $(mrproper-dirs) mrproper archmrproper
1225efcf8619SMasahiro Yamada$(mrproper-dirs):
1226efcf8619SMasahiro Yamada	$(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
1227efcf8619SMasahiro Yamada
1228efcf8619SMasahiro Yamadamrproper: clobber $(mrproper-dirs)
1229efcf8619SMasahiro Yamada	$(call cmd,rmdirs)
1230efcf8619SMasahiro Yamada	$(call cmd,rmfiles)
1231efcf8619SMasahiro Yamada	@rm -f arch/*/include/asm/arch arch/*/include/asm/proc
1232efcf8619SMasahiro Yamada
1233efcf8619SMasahiro Yamada# distclean
1234efcf8619SMasahiro Yamada#
1235efcf8619SMasahiro YamadaPHONY += distclean
1236efcf8619SMasahiro Yamada
1237433b2f1eSMasahiro Yamadadistclean: mrproper
1238efcf8619SMasahiro Yamada	@find $(srctree) $(RCS_FIND_IGNORE) \
1239efcf8619SMasahiro Yamada		\( -name '*.orig' -o -name '*.rej' -o -name '*~' \
1240efcf8619SMasahiro Yamada		-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
1241efcf8619SMasahiro Yamada		-o -name '.*.rej' \
1242efcf8619SMasahiro Yamada		-o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
1243efcf8619SMasahiro Yamada		-type f -print | xargs rm -f
12447ebf7443Swdenk
12457ebf7443Swdenkbackup:
12467ebf7443Swdenk	F=`basename $(TOPDIR)` ; cd .. ; \
1247d6b93714SIlya Yanok	gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
12487ebf7443Swdenk
1249*ed1ca528SMasahiro Yamadahelp:
1250*ed1ca528SMasahiro Yamada	@echo  'Cleaning targets:'
1251*ed1ca528SMasahiro Yamada	@echo  '  clean		  - Remove most generated files but keep the config and'
1252*ed1ca528SMasahiro Yamada	@echo  '                    necessities for testing u-boot'
1253*ed1ca528SMasahiro Yamada	@echo  '  clobber	  - Remove most generated files but keep the config'
1254*ed1ca528SMasahiro Yamada	@echo  '  mrproper	  - Remove all generated files + config + various backup files'
1255*ed1ca528SMasahiro Yamada	@echo  '  distclean	  - mrproper + remove editor backup and patch files'
1256*ed1ca528SMasahiro Yamada	@echo  ''
1257*ed1ca528SMasahiro Yamada# uncomment after adding Kconfig feature
1258*ed1ca528SMasahiro Yamada#	@echo  'Configuration targets:'
1259*ed1ca528SMasahiro Yamada#	@$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
1260*ed1ca528SMasahiro Yamada#	@echo  ''
1261*ed1ca528SMasahiro Yamada	@echo  'Other generic targets:'
1262*ed1ca528SMasahiro Yamada	@echo  '  all		  - Build all necessary images depending on configuration'
1263*ed1ca528SMasahiro Yamada	@echo  '  u-boot	  - Build the bare u-boot'
1264*ed1ca528SMasahiro Yamada	@echo  '  dir/            - Build all files in dir and below'
1265*ed1ca528SMasahiro Yamada	@echo  '  dir/file.[oisS] - Build specified target only'
1266*ed1ca528SMasahiro Yamada	@echo  '  dir/file.lst    - Build specified mixed source/assembly target only'
1267*ed1ca528SMasahiro Yamada	@echo  '                    (requires a recent binutils and recent build (System.map))'
1268*ed1ca528SMasahiro Yamada	@echo  '  tags/TAGS	  - Generate tags file for editors'
1269*ed1ca528SMasahiro Yamada	@echo  '  cscope	  - Generate cscope index'
1270*ed1ca528SMasahiro Yamada	@echo  '  ubootrelease	  - Output the release version string'
1271*ed1ca528SMasahiro Yamada	@echo  '  ubootversion	  - Output the version stored in Makefile'
1272*ed1ca528SMasahiro Yamada	@echo  ''
1273*ed1ca528SMasahiro Yamada	@echo  'Static analysers'
1274*ed1ca528SMasahiro Yamada	@echo  '  checkstack      - Generate a list of stack hogs'
1275*ed1ca528SMasahiro Yamada	@echo  ''
1276*ed1ca528SMasahiro Yamada	@echo  'Documentation targets:'
1277*ed1ca528SMasahiro Yamada	@$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp
1278*ed1ca528SMasahiro Yamada	@echo  ''
1279*ed1ca528SMasahiro Yamada	@echo  '  make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
1280*ed1ca528SMasahiro Yamada	@echo  '  make V=2   [targets] 2 => give reason for rebuild of target'
1281*ed1ca528SMasahiro Yamada	@echo  '  make O=dir [targets] Locate all output files in "dir", including .config'
1282*ed1ca528SMasahiro Yamada	@echo  '  make C=1   [targets] Check all c source with $$CHECK (sparse by default)'
1283*ed1ca528SMasahiro Yamada	@echo  '  make C=2   [targets] Force check of all c source with $$CHECK'
1284*ed1ca528SMasahiro Yamada	@echo  '  make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
1285*ed1ca528SMasahiro Yamada	@echo  '  make W=n   [targets] Enable extra gcc checks, n=1,2,3 where'
1286*ed1ca528SMasahiro Yamada	@echo  '		1: warnings which may be relevant and do not occur too often'
1287*ed1ca528SMasahiro Yamada	@echo  '		2: warnings which occur quite often but may still be relevant'
1288*ed1ca528SMasahiro Yamada	@echo  '		3: more obscure warnings, can most likely be ignored'
1289*ed1ca528SMasahiro Yamada	@echo  '		Multiple levels can be combined with W=12 or W=123'
1290*ed1ca528SMasahiro Yamada	@echo  ''
1291*ed1ca528SMasahiro Yamada	@echo  'Execute "make" or "make all" to build all targets marked with [*] '
1292*ed1ca528SMasahiro Yamada	@echo  'For further info see the ./README file'
1293*ed1ca528SMasahiro Yamada
12948fac9c7bSMasahiro Yamada
12958fac9c7bSMasahiro Yamada# Documentation targets
12968fac9c7bSMasahiro Yamada# ---------------------------------------------------------------------------
12978fac9c7bSMasahiro Yamada%docs: scripts_basic FORCE
12988fac9c7bSMasahiro Yamada	$(Q)$(MAKE) $(build)=scripts build_docproc
12998fac9c7bSMasahiro Yamada	$(Q)$(MAKE) $(build)=doc/DocBook $@
13008fac9c7bSMasahiro Yamada
13013341bfecSMasahiro Yamada# Dummies...
13023341bfecSMasahiro YamadaPHONY += prepare scripts
13033341bfecSMasahiro Yamadaprepare: ;
13043341bfecSMasahiro Yamadascripts: ;
13059e414032SMasahiro Yamada
1306433b2f1eSMasahiro Yamadaendif #ifeq ($(config-targets),1)
1307433b2f1eSMasahiro Yamadaendif #ifeq ($(mixed-targets),1)
1308433b2f1eSMasahiro Yamada
1309*ed1ca528SMasahiro YamadaPHONY += checkstack ubootrelease ubootversion
1310*ed1ca528SMasahiro Yamada
1311*ed1ca528SMasahiro Yamadacheckstack:
1312*ed1ca528SMasahiro Yamada	$(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \
1313*ed1ca528SMasahiro Yamada	$(PERL) $(src)/scripts/checkstack.pl $(ARCH)
1314*ed1ca528SMasahiro Yamada
1315*ed1ca528SMasahiro Yamadaubootrelease:
1316*ed1ca528SMasahiro Yamada	@echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1317*ed1ca528SMasahiro Yamada
1318*ed1ca528SMasahiro Yamadaubootversion:
1319*ed1ca528SMasahiro Yamada	@echo $(UBOOTVERSION)
1320*ed1ca528SMasahiro Yamada
1321886d86e8SMasahiro Yamada# Single targets
1322886d86e8SMasahiro Yamada# ---------------------------------------------------------------------------
1323886d86e8SMasahiro Yamada# Single targets are compatible with:
1324886d86e8SMasahiro Yamada# - build with mixed source and output
1325886d86e8SMasahiro Yamada# - build with separate output dir 'make O=...'
1326886d86e8SMasahiro Yamada# - external modules
1327886d86e8SMasahiro Yamada#
1328886d86e8SMasahiro Yamada#  target-dir => where to store outputfile
1329886d86e8SMasahiro Yamada#  build-dir  => directory in kernel source tree to use
1330886d86e8SMasahiro Yamada
1331886d86e8SMasahiro Yamadaifeq ($(KBUILD_EXTMOD),)
1332886d86e8SMasahiro Yamada        build-dir  = $(patsubst %/,%,$(dir $@))
1333886d86e8SMasahiro Yamada        target-dir = $(dir $@)
1334886d86e8SMasahiro Yamadaelse
1335886d86e8SMasahiro Yamada        zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))
1336886d86e8SMasahiro Yamada        build-dir  = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))
1337886d86e8SMasahiro Yamada        target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
1338886d86e8SMasahiro Yamadaendif
1339886d86e8SMasahiro Yamada
1340886d86e8SMasahiro Yamada%.s: %.c prepare scripts FORCE
1341886d86e8SMasahiro Yamada	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
1342886d86e8SMasahiro Yamada%.i: %.c prepare scripts FORCE
1343886d86e8SMasahiro Yamada	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
1344886d86e8SMasahiro Yamada%.o: %.c prepare scripts FORCE
1345886d86e8SMasahiro Yamada	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
1346886d86e8SMasahiro Yamada%.lst: %.c prepare scripts FORCE
1347886d86e8SMasahiro Yamada	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
1348886d86e8SMasahiro Yamada%.s: %.S prepare scripts FORCE
1349886d86e8SMasahiro Yamada	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
1350886d86e8SMasahiro Yamada%.o: %.S prepare scripts FORCE
1351886d86e8SMasahiro Yamada	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
1352886d86e8SMasahiro Yamada%.symtypes: %.c prepare scripts FORCE
1353886d86e8SMasahiro Yamada	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
1354886d86e8SMasahiro Yamada
1355886d86e8SMasahiro Yamada# Modules
1356886d86e8SMasahiro Yamada/: prepare scripts FORCE
1357886d86e8SMasahiro Yamada	$(cmd_crmodverdir)
1358886d86e8SMasahiro Yamada	$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
1359886d86e8SMasahiro Yamada	$(build)=$(build-dir)
1360886d86e8SMasahiro Yamada%/: prepare scripts FORCE
1361886d86e8SMasahiro Yamada	$(cmd_crmodverdir)
1362886d86e8SMasahiro Yamada	$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
1363886d86e8SMasahiro Yamada	$(build)=$(build-dir)
1364886d86e8SMasahiro Yamada%.ko: prepare scripts FORCE
1365886d86e8SMasahiro Yamada	$(cmd_crmodverdir)
1366886d86e8SMasahiro Yamada	$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1)   \
1367886d86e8SMasahiro Yamada	$(build)=$(build-dir) $(@:.ko=.o)
1368886d86e8SMasahiro Yamada	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
1369886d86e8SMasahiro Yamada
1370886d86e8SMasahiro Yamada# FIXME Should go into a make.lib or something
1371886d86e8SMasahiro Yamada# ===========================================================================
1372886d86e8SMasahiro Yamada
1373efcf8619SMasahiro Yamadaquiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN   $(wildcard $(rm-dirs)))
1374efcf8619SMasahiro Yamada      cmd_rmdirs = rm -rf $(rm-dirs)
1375efcf8619SMasahiro Yamada
1376efcf8619SMasahiro Yamadaquiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN   $(wildcard $(rm-files)))
1377efcf8619SMasahiro Yamada      cmd_rmfiles = rm -f $(rm-files)
1378efcf8619SMasahiro Yamada
1379f9c235fdSMasahiro Yamada# read all saved command lines
1380f9c235fdSMasahiro Yamada
1381f9c235fdSMasahiro Yamadatargets := $(wildcard $(sort $(targets)))
1382f9c235fdSMasahiro Yamadacmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
1383f9c235fdSMasahiro Yamada
1384f9c235fdSMasahiro Yamadaifneq ($(cmd_files),)
1385f9c235fdSMasahiro Yamada  $(cmd_files): ;	# Do not try to update included dependency files
1386f9c235fdSMasahiro Yamada  include $(cmd_files)
1387f9c235fdSMasahiro Yamadaendif
1388f9c235fdSMasahiro Yamada
1389efcf8619SMasahiro Yamada# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
1390efcf8619SMasahiro Yamada# Usage:
1391efcf8619SMasahiro Yamada# $(Q)$(MAKE) $(clean)=dir
1392efcf8619SMasahiro Yamadaclean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
1393efcf8619SMasahiro Yamada
13949e414032SMasahiro Yamadaendif	# skip-makefile
13959e414032SMasahiro Yamada
13969e414032SMasahiro YamadaPHONY += FORCE
13979e414032SMasahiro YamadaFORCE:
13989e414032SMasahiro Yamada
13999e414032SMasahiro Yamada# Declare the contents of the .PHONY variable as phony.  We keep that
14009e414032SMasahiro Yamada# information in a variable so we can use it in if_changed and friends.
14019e414032SMasahiro Yamada.PHONY: $(PHONY)
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