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 = 11c494eaf4STom RiniEXTRAVERSION = -rc3 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) 1275a449d75SMasahiro YamadaKBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ 1285a449d75SMasahiro Yamada && /bin/pwd) 1299e414032SMasahiro Yamada$(if $(KBUILD_OUTPUT),, \ 1309e414032SMasahiro Yamada $(error output directory "$(saved-output)" does not exist)) 1319e414032SMasahiro Yamada 1329e414032SMasahiro YamadaPHONY += $(MAKECMDGOALS) sub-make 1339e414032SMasahiro Yamada 1349e414032SMasahiro Yamada$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 1359e414032SMasahiro Yamada @: 1369e414032SMasahiro Yamada 1379e414032SMasahiro Yamadasub-make: FORCE 1389e414032SMasahiro Yamada $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ 1399e414032SMasahiro Yamada KBUILD_SRC=$(CURDIR) \ 1409e414032SMasahiro Yamada KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ 1419e414032SMasahiro Yamada $(filter-out _all sub-make,$(MAKECMDGOALS)) 1429e414032SMasahiro Yamada 1439e414032SMasahiro Yamada# Leave processing to above invocation of make 1449e414032SMasahiro Yamadaskip-makefile := 1 1459e414032SMasahiro Yamadaendif # ifneq ($(KBUILD_OUTPUT),) 1469e414032SMasahiro Yamadaendif # ifeq ($(KBUILD_SRC),) 1479e414032SMasahiro Yamada 1489e414032SMasahiro Yamada# We process the rest of the Makefile if this is the final invocation of make 1499e414032SMasahiro Yamadaifeq ($(skip-makefile),) 1509e414032SMasahiro Yamada 1516825a95bSMasahiro Yamada# If building an external module we do not care about the all: rule 1526825a95bSMasahiro Yamada# but instead _all depend on modules 1539e414032SMasahiro YamadaPHONY += all 1546825a95bSMasahiro Yamadaifeq ($(KBUILD_EXTMOD),) 1559e414032SMasahiro Yamada_all: all 1566825a95bSMasahiro Yamadaelse 1576825a95bSMasahiro Yamada_all: modules 1586825a95bSMasahiro Yamadaendif 1599e414032SMasahiro Yamada 1609e414032SMasahiro Yamadasrctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) 1619e414032SMasahiro Yamadaobjtree := $(CURDIR) 1629e414032SMasahiro Yamadasrc := $(srctree) 1639e414032SMasahiro Yamadaobj := $(objtree) 1649e414032SMasahiro Yamada 1659e414032SMasahiro YamadaVPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 1669e414032SMasahiro Yamada 1679e414032SMasahiro Yamadaexport srctree objtree VPATH 1689e414032SMasahiro Yamada 16901286329SMasahiro YamadaMKCONFIG := $(srctree)/mkconfig 170f9328639SMarian Balakowiczexport MKCONFIG 171f9328639SMarian Balakowicz 1725013c09fSWolfgang Denk# Make sure CDPATH settings don't interfere 1735013c09fSWolfgang Denkunexport CDPATH 1745013c09fSWolfgang Denk 175f9328639SMarian Balakowicz######################################################################### 176f9328639SMarian Balakowicz 1777ebf7443SwdenkHOSTARCH := $(shell uname -m | \ 1787ebf7443Swdenk sed -e s/i.86/x86/ \ 1797ebf7443Swdenk -e s/sun4u/sparc64/ \ 1807ebf7443Swdenk -e s/arm.*/arm/ \ 1817ebf7443Swdenk -e s/sa110/arm/ \ 1827ebf7443Swdenk -e s/ppc64/powerpc/ \ 1837ebf7443Swdenk -e s/ppc/powerpc/ \ 1847ebf7443Swdenk -e s/macppc/powerpc/\ 1857ebf7443Swdenk -e s/sh.*/sh/) 1867ebf7443Swdenk 1877ebf7443SwdenkHOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 1887ebf7443Swdenk sed -e 's/\(cygwin\).*/cygwin/') 1897ebf7443Swdenk 1907ebf7443Swdenkexport HOSTARCH HOSTOS 1917ebf7443Swdenk 1927ebf7443Swdenk# Deal with colliding definitions from tcsh etc. 1937ebf7443SwdenkVENDOR= 1947ebf7443Swdenk 1957ebf7443Swdenk######################################################################### 196f9328639SMarian Balakowicz 1971ea6bcd8SMike Frysinger# set default to nothing for native builds 198a5284efdSWolfgang Denkifeq ($(HOSTARCH),$(ARCH)) 1991ea6bcd8SMike FrysingerCROSS_COMPILE ?= 2007ebf7443Swdenkendif 2017ebf7443Swdenk 202f6322eb7SMasahiro Yamada# SHELL used by kbuild 203f6322eb7SMasahiro YamadaCONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 204f6322eb7SMasahiro Yamada else if [ -x /bin/bash ]; then echo /bin/bash; \ 205f6322eb7SMasahiro Yamada else echo sh; fi ; fi) 206f6322eb7SMasahiro Yamada 207f6322eb7SMasahiro YamadaHOSTCC = gcc 208f6322eb7SMasahiro YamadaHOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 209f6322eb7SMasahiro Yamada 210f6322eb7SMasahiro Yamadaifeq ($(HOSTOS),cygwin) 211f6322eb7SMasahiro YamadaHOSTCFLAGS += -ansi 212f6322eb7SMasahiro Yamadaendif 213f6322eb7SMasahiro Yamada 214f6322eb7SMasahiro Yamada# Mac OS X / Darwin's C preprocessor is Apple specific. It 215f6322eb7SMasahiro Yamada# generates numerous errors and warnings. We want to bypass it 216f6322eb7SMasahiro Yamada# and use GNU C's cpp. To do this we pass the -traditional-cpp 217f6322eb7SMasahiro Yamada# option to the compiler. Note that the -traditional-cpp flag 218f6322eb7SMasahiro Yamada# DOES NOT have the same semantics as GNU C's flag, all it does 219f6322eb7SMasahiro Yamada# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 220f6322eb7SMasahiro Yamada# 221f6322eb7SMasahiro Yamada# Apple's linker is similar, thanks to the new 2 stage linking 222f6322eb7SMasahiro Yamada# multiple symbol definitions are treated as errors, hence the 223f6322eb7SMasahiro Yamada# -multiply_defined suppress option to turn off this error. 224f6322eb7SMasahiro Yamada# 225f6322eb7SMasahiro Yamadaifeq ($(HOSTOS),darwin) 226f6322eb7SMasahiro Yamada# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 227f6322eb7SMasahiro YamadaDARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 228f6322eb7SMasahiro YamadaDARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 229f6322eb7SMasahiro Yamada 230f6322eb7SMasahiro Yamadaos_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 231f6322eb7SMasahiro Yamada $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 232f6322eb7SMasahiro Yamada 233f6322eb7SMasahiro Yamada# Snow Leopards build environment has no longer restrictions as described above 234f6322eb7SMasahiro YamadaHOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 235f6322eb7SMasahiro YamadaHOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 236f6322eb7SMasahiro YamadaHOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 237f6322eb7SMasahiro Yamadaendif 238f6322eb7SMasahiro Yamada 2396825a95bSMasahiro Yamada# Decide whether to build built-in, modular, or both. 2406825a95bSMasahiro Yamada# Normally, just do built-in. 2416825a95bSMasahiro Yamada 2426825a95bSMasahiro YamadaKBUILD_MODULES := 2436825a95bSMasahiro YamadaKBUILD_BUILTIN := 1 2446825a95bSMasahiro Yamada 2456825a95bSMasahiro Yamada# If we have only "make modules", don't compile built-in objects. 2466825a95bSMasahiro Yamada# When we're building modules with modversions, we need to consider 2476825a95bSMasahiro Yamada# the built-in objects during the descend as well, in order to 2486825a95bSMasahiro Yamada# make sure the checksums are up to date before we record them. 2496825a95bSMasahiro Yamada 2506825a95bSMasahiro Yamadaifeq ($(MAKECMDGOALS),modules) 2516825a95bSMasahiro Yamada KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 2526825a95bSMasahiro Yamadaendif 2536825a95bSMasahiro Yamada 2546825a95bSMasahiro Yamada# If we have "make <whatever> modules", compile modules 2556825a95bSMasahiro Yamada# in addition to whatever we do anyway. 2566825a95bSMasahiro Yamada# Just "make" or "make all" shall build modules as well 2576825a95bSMasahiro Yamada 2586825a95bSMasahiro Yamada# U-Boot does not need modules 2596825a95bSMasahiro Yamada#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 2606825a95bSMasahiro Yamada# KBUILD_MODULES := 1 2616825a95bSMasahiro Yamada#endif 2626825a95bSMasahiro Yamada 2636825a95bSMasahiro Yamada#ifeq ($(MAKECMDGOALS),) 2646825a95bSMasahiro Yamada# KBUILD_MODULES := 1 2656825a95bSMasahiro Yamada#endif 2666825a95bSMasahiro Yamada 2676825a95bSMasahiro Yamadaexport KBUILD_MODULES KBUILD_BUILTIN 2686825a95bSMasahiro Yamadaexport KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 2696825a95bSMasahiro Yamada 2706825a95bSMasahiro Yamada# Beautify output 2716825a95bSMasahiro Yamada# --------------------------------------------------------------------------- 2726825a95bSMasahiro Yamada# 2736825a95bSMasahiro Yamada# Normally, we echo the whole command before executing it. By making 2746825a95bSMasahiro Yamada# that echo $($(quiet)$(cmd)), we now have the possibility to set 2756825a95bSMasahiro Yamada# $(quiet) to choose other forms of output instead, e.g. 2766825a95bSMasahiro Yamada# 2776825a95bSMasahiro Yamada# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 2786825a95bSMasahiro Yamada# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 2796825a95bSMasahiro Yamada# 2806825a95bSMasahiro Yamada# If $(quiet) is empty, the whole command will be printed. 2816825a95bSMasahiro Yamada# If it is set to "quiet_", only the short version will be printed. 2826825a95bSMasahiro Yamada# If it is set to "silent_", nothing will be printed at all, since 2836825a95bSMasahiro Yamada# the variable $(silent_cmd_cc_o_c) doesn't exist. 2846825a95bSMasahiro Yamada# 2856825a95bSMasahiro Yamada# A simple variant is to prefix commands with $(Q) - that's useful 2866825a95bSMasahiro Yamada# for commands that shall be hidden in non-verbose mode. 2876825a95bSMasahiro Yamada# 2886825a95bSMasahiro Yamada# $(Q)ln $@ :< 2896825a95bSMasahiro Yamada# 2906825a95bSMasahiro Yamada# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 2916825a95bSMasahiro Yamada# If KBUILD_VERBOSE equals 1 then the above command is displayed. 2926825a95bSMasahiro Yamada 2936825a95bSMasahiro Yamadaifeq ($(KBUILD_VERBOSE),1) 2946825a95bSMasahiro Yamada quiet = 2956825a95bSMasahiro Yamada Q = 2966825a95bSMasahiro Yamadaelse 2976825a95bSMasahiro Yamada quiet=quiet_ 2986825a95bSMasahiro Yamada Q = @ 2996825a95bSMasahiro Yamadaendif 3006825a95bSMasahiro Yamada 3016825a95bSMasahiro Yamada# If the user is running make -s (silent mode), suppress echoing of 3026825a95bSMasahiro Yamada# commands 3036825a95bSMasahiro Yamada 3046825a95bSMasahiro Yamadaifneq ($(filter s% -s%,$(MAKEFLAGS)),) 3056825a95bSMasahiro Yamada quiet=silent_ 3066825a95bSMasahiro Yamadaendif 3076825a95bSMasahiro Yamada 3086825a95bSMasahiro Yamadaexport quiet Q KBUILD_VERBOSE 3096825a95bSMasahiro Yamada 3106825a95bSMasahiro Yamada 3119e414032SMasahiro Yamada# Look for make include files relative to root of kernel src 3129e414032SMasahiro YamadaMAKEFLAGS += --include-dir=$(srctree) 3139e414032SMasahiro Yamada 314bf4b3de1SMasahiro Yamada# We need some generic definitions (do not try to remake the file). 315bf4b3de1SMasahiro Yamada$(srctree)/scripts/Kbuild.include: ; 316bf4b3de1SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include 317bf4b3de1SMasahiro Yamada 318f6322eb7SMasahiro Yamada# Make variables (CC, etc...) 319f6322eb7SMasahiro Yamada 320f6322eb7SMasahiro YamadaAS = $(CROSS_COMPILE)as 321f6322eb7SMasahiro Yamada# Always use GNU ld 322f6322eb7SMasahiro Yamadaifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 323f6322eb7SMasahiro YamadaLD = $(CROSS_COMPILE)ld.bfd 324f6322eb7SMasahiro Yamadaelse 325f6322eb7SMasahiro YamadaLD = $(CROSS_COMPILE)ld 326f6322eb7SMasahiro Yamadaendif 327f6322eb7SMasahiro YamadaCC = $(CROSS_COMPILE)gcc 328f6322eb7SMasahiro YamadaCPP = $(CC) -E 329f6322eb7SMasahiro YamadaAR = $(CROSS_COMPILE)ar 330f6322eb7SMasahiro YamadaNM = $(CROSS_COMPILE)nm 331f6322eb7SMasahiro YamadaLDR = $(CROSS_COMPILE)ldr 332f6322eb7SMasahiro YamadaSTRIP = $(CROSS_COMPILE)strip 333f6322eb7SMasahiro YamadaOBJCOPY = $(CROSS_COMPILE)objcopy 334f6322eb7SMasahiro YamadaOBJDUMP = $(CROSS_COMPILE)objdump 335f6322eb7SMasahiro YamadaAWK = awk 336f6322eb7SMasahiro YamadaRANLIB = $(CROSS_COMPILE)RANLIB 337f6322eb7SMasahiro YamadaDTC = dtc 338f6322eb7SMasahiro YamadaCHECK = sparse 339f6322eb7SMasahiro Yamada 340f6322eb7SMasahiro YamadaCHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 341f6322eb7SMasahiro Yamada -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 342f6322eb7SMasahiro Yamada 3432b3c9d3dSMasahiro YamadaKBUILD_CPPFLAGS := -D__KERNEL__ 3442b3c9d3dSMasahiro Yamada 3452b3c9d3dSMasahiro YamadaKBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 3462b3c9d3dSMasahiro Yamada -Wno-format-security \ 3472b3c9d3dSMasahiro Yamada -fno-builtin -ffreestanding 3482b3c9d3dSMasahiro YamadaKBUILD_AFLAGS := -D__ASSEMBLY__ 3492b3c9d3dSMasahiro Yamada 3507424145fSMasahiro Yamada# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 3517424145fSMasahiro YamadaUBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 3527424145fSMasahiro YamadaUBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 3535f30f3beSMasahiro Yamada 3547424145fSMasahiro Yamadaexport VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 355026f9cf2SMasahiro Yamadaexport ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 356f6322eb7SMasahiro Yamadaexport CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 357f6322eb7SMasahiro Yamadaexport CPP AR NM LDR STRIP OBJCOPY OBJDUMP 358f6322eb7SMasahiro Yamadaexport MAKE AWK 359f6322eb7SMasahiro Yamadaexport DTC CHECK CHECKFLAGS 360f6322eb7SMasahiro Yamada 361026f9cf2SMasahiro Yamadaexport KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 3622b3c9d3dSMasahiro Yamadaexport KBUILD_CFLAGS KBUILD_AFLAGS 3632b3c9d3dSMasahiro Yamada 3646825a95bSMasahiro Yamada# When compiling out-of-tree modules, put MODVERDIR in the module 3656825a95bSMasahiro Yamada# tree rather than in the kernel tree. The kernel tree might 3666825a95bSMasahiro Yamada# even be read-only. 3676825a95bSMasahiro Yamadaexport MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 3686825a95bSMasahiro Yamada 3696825a95bSMasahiro Yamada# Files to ignore in find ... statements 3706825a95bSMasahiro Yamada 3716825a95bSMasahiro YamadaRCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ 3726825a95bSMasahiro Yamada -o -name .pc -o -name .hg -o -name .git \) -prune -o 3736825a95bSMasahiro Yamadaexport RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 3746825a95bSMasahiro Yamada --exclude CVS --exclude .pc --exclude .hg --exclude .git 3756825a95bSMasahiro Yamada 3766825a95bSMasahiro Yamada# =========================================================================== 3776825a95bSMasahiro Yamada# Rules shared between *config targets and build targets 3786825a95bSMasahiro Yamada 3796825a95bSMasahiro Yamada# Basic helpers built in scripts/ 3806825a95bSMasahiro YamadaPHONY += scripts_basic 3816825a95bSMasahiro Yamadascripts_basic: 3826825a95bSMasahiro Yamada $(Q)$(MAKE) $(build)=scripts/basic 3836825a95bSMasahiro Yamada $(Q)rm -f .tmp_quiet_recordmcount 3846825a95bSMasahiro Yamada 3856825a95bSMasahiro Yamada# To avoid any implicit rule to kick in, define an empty command. 3866825a95bSMasahiro Yamadascripts/basic/%: scripts_basic ; 3876825a95bSMasahiro Yamada 3883341bfecSMasahiro YamadaPHONY += outputmakefile 3893341bfecSMasahiro Yamada# outputmakefile generates a Makefile in the output directory, if using a 3903341bfecSMasahiro Yamada# separate output directory. This allows convenient use of make in the 3913341bfecSMasahiro Yamada# output directory. 3923341bfecSMasahiro Yamadaoutputmakefile: 3933341bfecSMasahiro Yamadaifneq ($(KBUILD_SRC),) 3943341bfecSMasahiro Yamada $(Q)ln -fsn $(srctree) source 3953341bfecSMasahiro Yamada $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 3963341bfecSMasahiro Yamada $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 3973341bfecSMasahiro Yamadaendif 3983341bfecSMasahiro Yamada 399433b2f1eSMasahiro Yamada# To make sure we do not include .config for any of the *config targets 400433b2f1eSMasahiro Yamada# catch them early, and hand them over to scripts/kconfig/Makefile 401433b2f1eSMasahiro Yamada# It is allowed to specify more targets when calling make, including 402433b2f1eSMasahiro Yamada# mixing *config targets and build targets. 403433b2f1eSMasahiro Yamada# For example 'make oldconfig all'. 404433b2f1eSMasahiro Yamada# Detect when mixed targets is specified, and make a second invocation 405433b2f1eSMasahiro Yamada# of make so .config is not included in this case either (for *config). 4066825a95bSMasahiro Yamada 4077424145fSMasahiro Yamadaversion_h := include/generated/version_autogenerated.h 4087424145fSMasahiro Yamadatimestamp_h := include/generated/timestamp_autogenerated.h 4097424145fSMasahiro Yamada 410433b2f1eSMasahiro Yamadano-dot-config-targets := clean clobber mrproper distclean \ 41127651187SMasahiro Yamada help %docs check% coccicheck \ 4124642e002SMasahiro Yamada ubootversion backup tools-only 4132b3c9d3dSMasahiro Yamada 414433b2f1eSMasahiro Yamadaconfig-targets := 0 415433b2f1eSMasahiro Yamadamixed-targets := 0 416433b2f1eSMasahiro Yamadadot-config := 1 4172b3c9d3dSMasahiro Yamada 418433b2f1eSMasahiro Yamadaifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 419433b2f1eSMasahiro Yamada ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 420433b2f1eSMasahiro Yamada dot-config := 0 4212b3c9d3dSMasahiro Yamada endif 4222b3c9d3dSMasahiro Yamadaendif 4232b3c9d3dSMasahiro Yamada 424433b2f1eSMasahiro Yamadaifeq ($(KBUILD_EXTMOD),) 425433b2f1eSMasahiro Yamada ifneq ($(filter config %config,$(MAKECMDGOALS)),) 426433b2f1eSMasahiro Yamada config-targets := 1 427433b2f1eSMasahiro Yamada ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 428433b2f1eSMasahiro Yamada mixed-targets := 1 429433b2f1eSMasahiro Yamada endif 430433b2f1eSMasahiro Yamada endif 431433b2f1eSMasahiro Yamadaendif 432433b2f1eSMasahiro Yamada 433433b2f1eSMasahiro Yamadaifeq ($(mixed-targets),1) 434433b2f1eSMasahiro Yamada# =========================================================================== 435433b2f1eSMasahiro Yamada# We're called with mixed targets (*config and build targets). 436433b2f1eSMasahiro Yamada# Handle them one by one. 437433b2f1eSMasahiro Yamada 43853bca5abSMasahiro YamadaPHONY += $(MAKECMDGOALS) build-one-by-one 43953bca5abSMasahiro Yamada 44053bca5abSMasahiro Yamada$(MAKECMDGOALS): build-one-by-one 44153bca5abSMasahiro Yamada @: 44253bca5abSMasahiro Yamada 44353bca5abSMasahiro Yamadabuild-one-by-one: 44453bca5abSMasahiro Yamada $(Q)set -e; \ 44553bca5abSMasahiro Yamada for i in $(MAKECMDGOALS); do \ 44653bca5abSMasahiro Yamada $(MAKE) -f $(srctree)/Makefile $$i; \ 44753bca5abSMasahiro Yamada done 448433b2f1eSMasahiro Yamada 449433b2f1eSMasahiro Yamadaelse 450433b2f1eSMasahiro Yamadaifeq ($(config-targets),1) 451433b2f1eSMasahiro Yamada# =========================================================================== 452433b2f1eSMasahiro Yamada# *config targets only - make sure prerequisites are updated, and descend 453433b2f1eSMasahiro Yamada# in scripts/kconfig to make the *config target 454433b2f1eSMasahiro Yamada 455433b2f1eSMasahiro Yamada# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 456433b2f1eSMasahiro Yamada# KBUILD_DEFCONFIG may point out an alternative default configuration 457433b2f1eSMasahiro Yamada# used for 'make defconfig' 458433b2f1eSMasahiro Yamada 4593341bfecSMasahiro Yamada%_config:: outputmakefile 460433b2f1eSMasahiro Yamada @$(MKCONFIG) -A $(@:_config=) 461433b2f1eSMasahiro Yamada 462433b2f1eSMasahiro Yamadaelse 463433b2f1eSMasahiro Yamada# =========================================================================== 464433b2f1eSMasahiro Yamada# Build targets only - this includes vmlinux, arch specific targets, clean 465433b2f1eSMasahiro Yamada# targets and others. In general all targets except *config targets. 466433b2f1eSMasahiro Yamada 467433b2f1eSMasahiro Yamada# load ARCH, BOARD, and CPU configuration 468433b2f1eSMasahiro Yamada-include include/config.mk 469433b2f1eSMasahiro Yamada 470433b2f1eSMasahiro Yamadaifeq ($(dot-config),1) 471433b2f1eSMasahiro Yamada# Read in config 472433b2f1eSMasahiro Yamada-include include/autoconf.mk 473433b2f1eSMasahiro Yamada-include include/autoconf.mk.dep 474433b2f1eSMasahiro Yamada 47592b197f0SWolfgang Denk# load other configuration 476433b2f1eSMasahiro Yamadainclude $(srctree)/config.mk 47792b197f0SWolfgang Denk 478433b2f1eSMasahiro Yamadaifeq ($(wildcard include/config.mk),) 479433b2f1eSMasahiro Yamada$(error "System not configured - see README") 480ced0715dSMasahiro Yamadaendif 481fada9e20SSimon Glass 482d51dfff7SIlya Yanok# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 483d51dfff7SIlya Yanok# that (or fail if absent). Otherwise, search for a linker script in a 484d51dfff7SIlya Yanok# standard location. 485d51dfff7SIlya Yanok 486d51dfff7SIlya Yanokifndef LDSCRIPT 4874379ac61SMasahiro Yamada #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 488d51dfff7SIlya Yanok ifdef CONFIG_SYS_LDSCRIPT 489d51dfff7SIlya Yanok # need to strip off double quotes 4904a377552SMasahiro Yamada LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 491d51dfff7SIlya Yanok endif 492d51dfff7SIlya Yanokendif 493d51dfff7SIlya Yanok 494ee60197eSSimon Glass# If there is no specified link script, we look in a number of places for it 495d51dfff7SIlya Yanokifndef LDSCRIPT 496d51dfff7SIlya Yanok ifeq ($(CONFIG_NAND_U_BOOT),y) 4974379ac61SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-nand.lds 498d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 4994379ac61SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-nand.lds 500d51dfff7SIlya Yanok endif 501d51dfff7SIlya Yanok endif 502d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 5034379ac61SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 504d51dfff7SIlya Yanok endif 505d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 5064379ac61SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 507d51dfff7SIlya Yanok endif 508d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 5094379ac61SMasahiro Yamada LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 510ee60197eSSimon Glass endif 511d51dfff7SIlya Yanokendif 512d51dfff7SIlya Yanok 513433b2f1eSMasahiro Yamadaelse 514433b2f1eSMasahiro Yamada 515433b2f1eSMasahiro Yamada 516433b2f1eSMasahiro Yamadaendif # $(dot-config) 517433b2f1eSMasahiro Yamada 518433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -Os #-fomit-frame-pointer 519433b2f1eSMasahiro Yamada 520433b2f1eSMasahiro Yamadaifdef BUILD_TAG 521433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 522433b2f1eSMasahiro Yamadaendif 523433b2f1eSMasahiro Yamada 524433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 525433b2f1eSMasahiro Yamada 526433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -g 527433b2f1eSMasahiro Yamada# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 528433b2f1eSMasahiro Yamada# option to the assembler. 529433b2f1eSMasahiro YamadaKBUILD_AFLAGS += -g 530433b2f1eSMasahiro Yamada 531433b2f1eSMasahiro Yamada# Report stack usage if supported 5325b1f1f4aSMasahiro Yamadaifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 5335b1f1f4aSMasahiro Yamada KBUILD_CFLAGS += -fstack-usage 5345b1f1f4aSMasahiro Yamadaendif 535433b2f1eSMasahiro Yamada 536433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 537433b2f1eSMasahiro Yamada 538433b2f1eSMasahiro Yamada# turn jbsr into jsr for m68k 539433b2f1eSMasahiro Yamadaifeq ($(ARCH),m68k) 540433b2f1eSMasahiro Yamadaifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 541433b2f1eSMasahiro YamadaKBUILD_AFLAGS += -Wa,-gstabs,-S 542433b2f1eSMasahiro Yamadaendif 543433b2f1eSMasahiro Yamadaendif 544433b2f1eSMasahiro Yamada 545433b2f1eSMasahiro Yamadaifneq ($(CONFIG_SYS_TEXT_BASE),) 546433b2f1eSMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 547433b2f1eSMasahiro Yamadaendif 548433b2f1eSMasahiro Yamada 549433b2f1eSMasahiro Yamadaexport CONFIG_SYS_TEXT_BASE 550433b2f1eSMasahiro Yamada 551433b2f1eSMasahiro Yamada# Use UBOOTINCLUDE when you must reference the include/ directory. 552433b2f1eSMasahiro Yamada# Needed to be compatible with the O= option 553f5c66bdbSMasahiro YamadaUBOOTINCLUDE := \ 554f5c66bdbSMasahiro Yamada -Iinclude \ 555f5c66bdbSMasahiro Yamada $(if $(KBUILD_SRC), -I$(srctree)/include) \ 556433b2f1eSMasahiro Yamada -I$(srctree)/arch/$(ARCH)/include 557433b2f1eSMasahiro Yamada 558433b2f1eSMasahiro YamadaNOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 559433b2f1eSMasahiro YamadaCHECKFLAGS += $(NOSTDINC_FLAGS) 560433b2f1eSMasahiro Yamada 561433b2f1eSMasahiro Yamada# FIX ME 562026f9cf2SMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 563026f9cf2SMasahiro Yamada $(NOSTDINC_FLAGS) 564433b2f1eSMasahiro Yamadac_flags := $(KBUILD_CFLAGS) $(cpp_flags) 565433b2f1eSMasahiro Yamada 5667ebf7443Swdenk######################################################################### 5677ebf7443Swdenk# U-Boot objects....order is important (i.e. start must be first) 5687ebf7443Swdenk 569e8a8b824SMasahiro Yamadahead-y := $(CPUDIR)/start.o 570e8a8b824SMasahiro Yamadahead-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 571e8a8b824SMasahiro Yamadahead-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 5727ebf7443Swdenk 5739e414032SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 574f9328639SMarian Balakowicz 575656de6b8SMasahiro Yamadalibs-y += lib/ 576656de6b8SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 577656de6b8SMasahiro Yamadalibs-y += $(CPUDIR)/ 5781d9f4105Swdenkifdef SOC 579656de6b8SMasahiro Yamadalibs-y += $(CPUDIR)/$(SOC)/ 5801d9f4105Swdenkendif 581656de6b8SMasahiro Yamadalibs-$(CONFIG_OF_EMBED) += dts/ 582656de6b8SMasahiro Yamadalibs-y += arch/$(ARCH)/lib/ 583656de6b8SMasahiro Yamadalibs-y += fs/ 584656de6b8SMasahiro Yamadalibs-y += net/ 585656de6b8SMasahiro Yamadalibs-y += disk/ 586656de6b8SMasahiro Yamadalibs-y += drivers/ 5876494d708SSimon Glasslibs-$(CONFIG_DM) += drivers/core/ 588656de6b8SMasahiro Yamadalibs-y += drivers/dma/ 589656de6b8SMasahiro Yamadalibs-y += drivers/gpio/ 590656de6b8SMasahiro Yamadalibs-y += drivers/i2c/ 591656de6b8SMasahiro Yamadalibs-y += drivers/input/ 592656de6b8SMasahiro Yamadalibs-y += drivers/mmc/ 593656de6b8SMasahiro Yamadalibs-y += drivers/mtd/ 594656de6b8SMasahiro Yamadalibs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 595656de6b8SMasahiro Yamadalibs-y += drivers/mtd/onenand/ 596656de6b8SMasahiro Yamadalibs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 597656de6b8SMasahiro Yamadalibs-y += drivers/mtd/spi/ 598656de6b8SMasahiro Yamadalibs-y += drivers/net/ 599656de6b8SMasahiro Yamadalibs-y += drivers/net/phy/ 600656de6b8SMasahiro Yamadalibs-y += drivers/pci/ 601656de6b8SMasahiro Yamadalibs-y += drivers/power/ \ 602e2906a59SMasahiro Yamada drivers/power/fuel_gauge/ \ 603e2906a59SMasahiro Yamada drivers/power/mfd/ \ 604e2906a59SMasahiro Yamada drivers/power/pmic/ \ 605e2906a59SMasahiro Yamada drivers/power/battery/ 606656de6b8SMasahiro Yamadalibs-y += drivers/spi/ 607656de6b8SMasahiro Yamadalibs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 608656de6b8SMasahiro Yamadalibs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 609656de6b8SMasahiro Yamadalibs-y += drivers/serial/ 610656de6b8SMasahiro Yamadalibs-y += drivers/usb/eth/ 611656de6b8SMasahiro Yamadalibs-y += drivers/usb/gadget/ 612656de6b8SMasahiro Yamadalibs-y += drivers/usb/host/ 613656de6b8SMasahiro Yamadalibs-y += drivers/usb/musb/ 614656de6b8SMasahiro Yamadalibs-y += drivers/usb/musb-new/ 615656de6b8SMasahiro Yamadalibs-y += drivers/usb/phy/ 616656de6b8SMasahiro Yamadalibs-y += drivers/usb/ulpi/ 617656de6b8SMasahiro Yamadalibs-y += common/ 618656de6b8SMasahiro Yamadalibs-y += lib/libfdt/ 619656de6b8SMasahiro Yamadalibs-$(CONFIG_API) += api/ 620656de6b8SMasahiro Yamadalibs-$(CONFIG_HAS_POST) += post/ 621656de6b8SMasahiro Yamadalibs-y += test/ 6222e7d35d2SSimon Glasslibs-y += test/dm/ 62339f7611fSSimon Glasslibs-$(CONFIG_DM_DEMO) += drivers/demo/ 624f9328639SMarian Balakowicz 62524e8bee5SAlison Wangifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 626656de6b8SMasahiro Yamadalibs-y += arch/$(ARCH)/imx-common/ 62718936ee2SJason Liuendif 62818936ee2SJason Liu 629656de6b8SMasahiro Yamadalibs-$(CONFIG_ARM) += arch/arm/cpu/ 630656de6b8SMasahiro Yamadalibs-$(CONFIG_PPC) += arch/powerpc/cpu/ 631852bd07cSMinkyu Kang 63233a02da0SMasahiro Yamadalibs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 63308e39a84SMasahiro Yamada 634656de6b8SMasahiro Yamadalibs-y := $(sort $(libs-y)) 635656de6b8SMasahiro Yamada 636656de6b8SMasahiro Yamadau-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 637656de6b8SMasahiro Yamada 638656de6b8SMasahiro Yamadau-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 639656de6b8SMasahiro Yamada 640656de6b8SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 641656de6b8SMasahiro Yamada 642656de6b8SMasahiro Yamadau-boot-init := $(head-y) 643656de6b8SMasahiro Yamadau-boot-main := $(libs-y) 644656de6b8SMasahiro Yamada 645a8c7c708Swdenk 6464f7cb08eSwdenk# Add GCC lib 647cd2e46cbSMasahiro Yamadaifdef CONFIG_USE_PRIVATE_LIBGCC 648cd2e46cbSMasahiro Yamadaifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 649a86cf89cSMasahiro YamadaPLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 65052b1bf2cSWolfgang Denkelse 651cd2e46cbSMasahiro YamadaPLATFORM_LIBGCC = -L $(CONFIG_USE_PRIVATE_LIBGCC) -lgcc 65252b1bf2cSWolfgang Denkendif 65352b1bf2cSWolfgang Denkelse 6546825a95bSMasahiro YamadaPLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 65552b1bf2cSWolfgang Denkendif 65652b1bf2cSWolfgang DenkPLATFORM_LIBS += $(PLATFORM_LIBGCC) 65752b1bf2cSWolfgang Denkexport PLATFORM_LIBS 6583d3befa7Swdenk 6596ac9f479SMike Frysinger# Special flags for CPP when processing the linker script. 6606ac9f479SMike Frysinger# Pass the version down so we can handle backwards compatibility 6616ac9f479SMike Frysinger# on the fly. 6626ac9f479SMike FrysingerLDPPFLAGS += \ 6634379ac61SMasahiro Yamada -include $(srctree)/include/u-boot/u-boot.lds.h \ 6647e6403a6SSimon Glass -DCPUDIR=$(CPUDIR) \ 6656ac9f479SMike Frysinger $(shell $(LD) --version | \ 6666ac9f479SMike Frysinger sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 6676ac9f479SMike Frysinger 6687ebf7443Swdenk######################################################################### 669bdccc4feSwdenk######################################################################### 6707ebf7443Swdenk 671f3a14d37SMike Frysingerifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 672f3a14d37SMike FrysingerBOARD_SIZE_CHECK = \ 673f3a14d37SMike Frysinger @actual=`wc -c $@ | awk '{print $$1}'`; \ 674d060e6f4SJoe Hershberger limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 675f3a14d37SMike Frysinger if test $$actual -gt $$limit; then \ 676d060e6f4SJoe Hershberger echo "$@ exceeds file size limit:" >&2 ; \ 677d060e6f4SJoe Hershberger echo " limit: $$limit bytes" >&2 ; \ 678d060e6f4SJoe Hershberger echo " actual: $$actual bytes" >&2 ; \ 679d060e6f4SJoe Hershberger echo " excess: $$((actual - limit)) bytes" >&2; \ 680f3a14d37SMike Frysinger exit 1; \ 681f3a14d37SMike Frysinger fi 682f3a14d37SMike Frysingerelse 683f3a14d37SMike FrysingerBOARD_SIZE_CHECK = 684f3a14d37SMike Frysingerendif 685f3a14d37SMike Frysinger 6868137af19SScott Wood# Statically apply RELA-style relocations (currently arm64 only) 6878137af19SScott Woodifneq ($(CONFIG_STATIC_RELA),) 6888137af19SScott Wood# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 6898137af19SScott WoodDO_STATIC_RELA = \ 6908137af19SScott Wood start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 6918137af19SScott Wood end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 6929e414032SMasahiro Yamada tools/relocate-rela $(2) $(3) $$start $$end 6938137af19SScott Woodelse 6948137af19SScott WoodDO_STATIC_RELA = 6958137af19SScott Woodendif 6968137af19SScott Wood 6973e88337bSMike Frysinger# Always append ALL so that arch config.mk's can add custom ones 6989e414032SMasahiro YamadaALL-y += u-boot.srec u-boot.bin System.map 699e935a374SHaiying Wang 7009e414032SMasahiro YamadaALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 7019e414032SMasahiro YamadaALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 7029e414032SMasahiro YamadaALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 7039e414032SMasahiro YamadaALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 7049e414032SMasahiro YamadaALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 7059e414032SMasahiro YamadaALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 7060d1e8aacSMasahiro YamadaALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 707714a5621SSimon GlassALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 708b343bbb5SVadim Bendeburyifneq ($(CONFIG_SPL_TARGET),) 7099e414032SMasahiro YamadaALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 710b343bbb5SVadim Bendeburyendif 7119e414032SMasahiro YamadaALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 7127ebf7443Swdenk 71312b7b70cSAllen Martin# enable combined SPL/u-boot/dtb rules for tegra 7146d6c0baeSTom Warrenifneq ($(CONFIG_TEGRA),) 7157dcd3a21SVidya Sagarifeq ($(CONFIG_SPL),y) 71612b7b70cSAllen Martinifeq ($(CONFIG_OF_SEPARATE),y) 7179e414032SMasahiro YamadaALL-y += u-boot-dtb-tegra.bin 71812b7b70cSAllen Martinelse 7199e414032SMasahiro YamadaALL-y += u-boot-nodtb-tegra.bin 72012b7b70cSAllen Martinendif 72112b7b70cSAllen Martinendif 7227dcd3a21SVidya Sagarendif 72312b7b70cSAllen Martin 724ad0fed46SMasahiro YamadaLDFLAGS_u-boot += $(LDFLAGS_FINAL) 725433b2f1eSMasahiro Yamadaifneq ($(CONFIG_SYS_TEXT_BASE),) 726433b2f1eSMasahiro YamadaLDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 727433b2f1eSMasahiro Yamadaendif 72871f84ef0SMasahiro Yamada 729f9c235fdSMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 730f9c235fdSMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 731f9c235fdSMasahiro Yamada 732b97241b3SMarek Vasutquiet_cmd_mkimage = MKIMAGE $@ 7339bf215b0SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 7349bf215b0SMasahiro Yamada $(if $(KBUILD_VERBOSE:1=), >/dev/null) 7359bf215b0SMasahiro Yamada 736ee0acfa2SMasahiro Yamadaquiet_cmd_cat = CAT $@ 737ee0acfa2SMasahiro Yamadacmd_cat = cat $(filter-out $(PHONY), $^) > $@ 738ee0acfa2SMasahiro Yamada 739982a1199SMasahiro Yamadaappend = cat $(filter-out $< $(PHONY), $^) >> $@ 740982a1199SMasahiro Yamada 741982a1199SMasahiro Yamadaquiet_cmd_pad_cat = CAT $@ 742982a1199SMasahiro Yamadacmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 743982a1199SMasahiro Yamada 744656de6b8SMasahiro Yamadaall: $(ALL-y) 7457ebf7443Swdenk 7466ab6b2afSMasahiro YamadaPHONY += dtbs 7476ab6b2afSMasahiro Yamadadtbs dts/dt.dtb: checkdtc u-boot 7486ab6b2afSMasahiro Yamada $(Q)$(MAKE) $(build)=dts dtbs 7492c0f79e4SSimon Glass 750ee0acfa2SMasahiro Yamadau-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE 751ee0acfa2SMasahiro Yamada $(call if_changed,cat) 7522c0f79e4SSimon Glass 753e64348f5SStefano Babic%.imx: %.bin 754e64348f5SStefano Babic $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 755e64348f5SStefano Babic 7560d1e8aacSMasahiro Yamadaquiet_cmd_copy = COPY $@ 7570d1e8aacSMasahiro Yamada cmd_copy = cp $< $@ 7580d1e8aacSMasahiro Yamada 7590d1e8aacSMasahiro Yamadau-boot.dtb: dts/dt.dtb 7600d1e8aacSMasahiro Yamada $(call cmd,copy) 7610d1e8aacSMasahiro Yamada 762f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.hex := -O ihex 7636310eb9dSwdenk 764f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.srec := -O srec 7657ebf7443Swdenk 766f9c235fdSMasahiro Yamadau-boot.hex u-boot.srec: u-boot FORCE 767f9c235fdSMasahiro Yamada $(call if_changed,objcopy) 768f9c235fdSMasahiro Yamada 769f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.bin := -O binary 770f9c235fdSMasahiro Yamada 771f9c235fdSMasahiro Yamadau-boot.bin: u-boot FORCE 772f9c235fdSMasahiro Yamada $(call if_changed,objcopy) 7738137af19SScott Wood $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 774f3a14d37SMike Frysinger $(BOARD_SIZE_CHECK) 7757ebf7443Swdenk 7769e414032SMasahiro Yamadau-boot.ldr: u-boot 77776d82187SMike Frysinger $(CREATE_LDR_ENV) 77868e56324SMike Frysinger $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 779f3a14d37SMike Frysinger $(BOARD_SIZE_CHECK) 78094a91e24SMike Frysinger 781f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 78294a91e24SMike Frysinger 783f9c235fdSMasahiro YamadaOBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 784f9c235fdSMasahiro Yamada 785f9c235fdSMasahiro Yamadau-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 786f9c235fdSMasahiro Yamada $(call if_changed,objcopy) 78794a91e24SMike Frysinger 788b40bda6bSStefan Roese# 789b40bda6bSStefan Roese# U-Boot entry point, needed for booting of full-blown U-Boot 790b40bda6bSStefan Roese# from the SPL U-Boot version. 791b40bda6bSStefan Roese# 792b40bda6bSStefan Roeseifndef CONFIG_SYS_UBOOT_START 793b40bda6bSStefan RoeseCONFIG_SYS_UBOOT_START := 0 794b40bda6bSStefan Roeseendif 795b40bda6bSStefan Roese 7969bf215b0SMasahiro YamadaMKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 7979bf215b0SMasahiro Yamada -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 7989bf215b0SMasahiro Yamada -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 7999bf215b0SMasahiro Yamada 8004ab3fc5eSMasahiro YamadaMKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 8014ab3fc5eSMasahiro Yamada -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 8029bf215b0SMasahiro Yamada 803e4536f8eSMasahiro YamadaMKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 804e4536f8eSMasahiro Yamada -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 8059bf215b0SMasahiro Yamada 8069bf215b0SMasahiro Yamadau-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 8079bf215b0SMasahiro Yamada $(call if_changed,mkimage) 808bdccc4feSwdenk 8099e414032SMasahiro Yamadau-boot.sha1: u-boot.bin 8109e414032SMasahiro Yamada tools/ubsha1 u-boot.bin 811566a494fSHeiko Schocher 8129e414032SMasahiro Yamadau-boot.dis: u-boot 8137ebf7443Swdenk $(OBJDUMP) -d $< > $@ 8147ebf7443Swdenk 8153aa29de0SYing Zhangifdef CONFIG_TPL 8169e414032SMasahiro YamadaSPL_PAYLOAD := tpl/u-boot-with-tpl.bin 8173aa29de0SYing Zhangelse 8189e414032SMasahiro YamadaSPL_PAYLOAD := u-boot.bin 8193aa29de0SYing Zhangendif 82074752baaSScott Wood 821982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 822982a1199SMasahiro Yamada --pad-to=$(CONFIG_SPL_PAD_TO) 823982a1199SMasahiro Yamadau-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 824982a1199SMasahiro Yamada $(call if_changed,pad_cat) 8253aa29de0SYing Zhang 826982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 827982a1199SMasahiro Yamada --pad-to=$(CONFIG_TPL_PAD_TO) 828982a1199SMasahiro Yamadatpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 829982a1199SMasahiro Yamada $(call if_changed,pad_cat) 8307816f2cfSHeiko Schocher 831630d2345SMasahiro YamadaSPL: spl/u-boot-spl.bin FORCE 832630d2345SMasahiro Yamada $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 833630d2345SMasahiro Yamada 834630d2345SMasahiro Yamadau-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 8354e0c8abcSMasahiro Yamada $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 8367d5a5c79SBenoît Thébaudeau 8379bf215b0SMasahiro YamadaMKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 8389bf215b0SMasahiro Yamada 8399bf215b0SMasahiro Yamadau-boot.ubl: u-boot-with-spl.bin FORCE 8409bf215b0SMasahiro Yamada $(call if_changed,mkimage) 841277f00f5SJosé Miguel Gonçalves 842982a1199SMasahiro YamadaMKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 843982a1199SMasahiro Yamada $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 844982a1199SMasahiro Yamada -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 845982a1199SMasahiro Yamadaspl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 846982a1199SMasahiro Yamada $(call if_changed,mkimage) 847d36d8859SChristian Riesch 848982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_MAX_SIZE) 849982a1199SMasahiro Yamadau-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 850982a1199SMasahiro Yamada $(call if_changed,pad_cat) 851a5453555SOtavio Salvador 8521a9df13dSMarek Vasutu-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 8531a9df13dSMarek Vasut $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 8549e414032SMasahiro Yamadau-boot.sb: u-boot.bin spl/u-boot-spl.bin 85507e27ce0SMasahiro Yamada $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 85630b9b932SMarek Vasut 85794aebe6cSStefan Roese# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 85894aebe6cSStefan Roese# Both images are created using mkimage (crc etc), so that the ROM 85994aebe6cSStefan Roese# bootloader can check its integrity. Padding needs to be done to the 86094aebe6cSStefan Roese# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 86194aebe6cSStefan Roese# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 86294aebe6cSStefan Roese# The resulting image containing both U-Boot images is called u-boot.spr 863982a1199SMasahiro YamadaMKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 864982a1199SMasahiro Yamada -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 865982a1199SMasahiro Yamadaspl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 866982a1199SMasahiro Yamada $(call if_changed,mkimage) 867982a1199SMasahiro Yamada 868982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 869982a1199SMasahiro Yamada --gap-fill=0xff 870982a1199SMasahiro Yamadau-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 871982a1199SMasahiro Yamada $(call if_changed,pad_cat) 87294aebe6cSStefan Roese 8736d6c0baeSTom Warrenifneq ($(CONFIG_TEGRA),) 874982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 875982a1199SMasahiro Yamadau-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 876982a1199SMasahiro Yamada $(call if_changed,pad_cat) 8779972db5cSStephen Warren 8789972db5cSStephen Warrenifeq ($(CONFIG_OF_SEPARATE),y) 879ee0acfa2SMasahiro Yamadau-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE 880ee0acfa2SMasahiro Yamada $(call if_changed,cat) 8819972db5cSStephen Warrenendif 882984df4ecSAllen Martinendif 883984df4ecSAllen Martin 884ee0acfa2SMasahiro Yamadau-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 885ee0acfa2SMasahiro Yamada $(call if_changed,cat) 886fb3d2b8aSStefan Roese 887ecddccd0SStefan Roese# PPC4xx needs the SPL at the end of the image, since the reset vector 888ecddccd0SStefan Roese# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 889ecddccd0SStefan Roese# and need to introduce a new build target with the full blown U-Boot 890ecddccd0SStefan Roese# at the start padded up to the start of the SPL image. And then concat 891ecddccd0SStefan Roese# the SPL image to the end. 892982a1199SMasahiro Yamada 893982a1199SMasahiro YamadaOBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 894982a1199SMasahiro Yamada --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 895982a1199SMasahiro Yamadau-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 896982a1199SMasahiro Yamada $(call if_changed,pad_cat) 897ecddccd0SStefan Roese 898f4dc714aSScott Wood# Create a new ELF from a raw binary file. This is useful for arm64 899f4dc714aSScott Wood# where static relocation needs to be performed on the raw binary, 900f4dc714aSScott Wood# but certain simulators only accept an ELF file (but don't do the 901f4dc714aSScott Wood# relocation). 902f4dc714aSScott Wood# FIXME refactor dts/Makefile to share target/arch detection 9039e414032SMasahiro Yamadau-boot.elf: u-boot.bin 904f4dc714aSScott Wood @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 9059e414032SMasahiro Yamada $< u-boot-elf.o 9069e414032SMasahiro Yamada @$(LD) u-boot-elf.o -o $@ \ 907f4dc714aSScott Wood --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 908f4dc714aSScott Wood -Ttext=$(CONFIG_SYS_TEXT_BASE) 909f4dc714aSScott Wood 910ad0fed46SMasahiro Yamada# Rule to link u-boot 911ad0fed46SMasahiro Yamada# May be overridden by arch/$(ARCH)/config.mk 912ad0fed46SMasahiro Yamadaquiet_cmd_u-boot__ ?= LD $@ 913ad0fed46SMasahiro Yamada cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 914ad0fed46SMasahiro Yamada -T u-boot.lds $(u-boot-init) \ 915ad0fed46SMasahiro Yamada --start-group $(u-boot-main) --end-group \ 916ad0fed46SMasahiro Yamada $(PLATFORM_LIBS) -Map u-boot.map 91786eb49b3SSimon Glass 918656de6b8SMasahiro Yamadau-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 919ad0fed46SMasahiro Yamada $(call if_changed,u-boot__) 920ecb1dc89SMike Frysingerifeq ($(CONFIG_KALLSYMS),y) 9219e414032SMasahiro Yamada smap=`$(call SYSTEM_MAP,u-boot) | \ 9221aada9cdSWolfgang Denk awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 9236825a95bSMasahiro Yamada $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 9249e414032SMasahiro Yamada -c $(srctree)/common/system_map.c -o common/system_map.o 925ad0fed46SMasahiro Yamada $(call cmd,u-boot__) common/system_map.o 926ecb1dc89SMike Frysingerendif 9277ebf7443Swdenk 928656de6b8SMasahiro Yamada# The actual objects are generated when descending, 929656de6b8SMasahiro Yamada# make sure no implicit rule kicks in 930656de6b8SMasahiro Yamada$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 931f9328639SMarian Balakowicz 932656de6b8SMasahiro Yamada# Handle descending into subdirectories listed in $(vmlinux-dirs) 933656de6b8SMasahiro Yamada# Preset locale variables to speed up the build process. Limit locale 934656de6b8SMasahiro Yamada# tweaks to this spot to avoid wrong language settings when running 935656de6b8SMasahiro Yamada# make menuconfig etc. 936656de6b8SMasahiro Yamada# Error messages still appears in the original language 937a8c7c708Swdenk 938656de6b8SMasahiro YamadaPHONY += $(u-boot-dirs) 9396378008aSMasahiro Yamada$(u-boot-dirs): prepare scripts 9406825a95bSMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 941940db16dSMasahiro Yamada 9427424145fSMasahiro Yamadatools: prepare 943656de6b8SMasahiro Yamada# The "tools" are needed early 944656de6b8SMasahiro Yamada$(filter-out tools, $(u-boot-dirs)): tools 945656de6b8SMasahiro Yamada# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 946656de6b8SMasahiro Yamada# is "yes"), so compile examples after U-Boot is compiled. 947656de6b8SMasahiro Yamadaexamples: $(filter-out examples, $(u-boot-dirs)) 948656de6b8SMasahiro Yamada 9497424145fSMasahiro Yamadadefine filechk_uboot.release 9507424145fSMasahiro Yamada echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 9517424145fSMasahiro Yamadaendef 9527424145fSMasahiro Yamada 9537424145fSMasahiro Yamada# Store (new) UBOOTRELEASE string in include/config/uboot.release 9547424145fSMasahiro Yamadainclude/config/uboot.release: Makefile FORCE 9557424145fSMasahiro Yamada $(call filechk,uboot.release) 9567424145fSMasahiro Yamada 9577424145fSMasahiro Yamada 9583341bfecSMasahiro Yamada# Things we need to do before we recursively start building the kernel 9593341bfecSMasahiro Yamada# or the modules are listed in "prepare". 9603341bfecSMasahiro Yamada# A multi level approach is used. prepareN is processed before prepareN-1. 9613341bfecSMasahiro Yamada# archprepare is used in arch Makefiles and when processed asm symlink, 9623341bfecSMasahiro Yamada# version.h and scripts_basic is processed / created. 9633341bfecSMasahiro Yamada 9643341bfecSMasahiro Yamada# Listed in dependency order 9653341bfecSMasahiro YamadaPHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 9663341bfecSMasahiro Yamada 9673341bfecSMasahiro Yamada# prepare3 is used to check if we are building in a separate output directory, 9683341bfecSMasahiro Yamada# and if so do: 9693341bfecSMasahiro Yamada# 1) Check that make has not been executed in the kernel src $(srctree) 9707424145fSMasahiro Yamadaprepare3: include/config/uboot.release 9713341bfecSMasahiro Yamadaifneq ($(KBUILD_SRC),) 9723341bfecSMasahiro Yamada @$(kecho) ' Using $(srctree) as source for u-boot' 9733341bfecSMasahiro Yamada $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 9743341bfecSMasahiro Yamada echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 9753341bfecSMasahiro Yamada echo >&2 " in the '$(srctree)' directory.";\ 9763341bfecSMasahiro Yamada /bin/false; \ 9773341bfecSMasahiro Yamada fi; 9783341bfecSMasahiro Yamadaendif 9793341bfecSMasahiro Yamada 9803341bfecSMasahiro Yamada# prepare2 creates a makefile if using a separate output directory 9813341bfecSMasahiro Yamadaprepare2: prepare3 outputmakefile 9823341bfecSMasahiro Yamada 9837424145fSMasahiro Yamadaprepare1: prepare2 $(version_h) $(timestamp_h) 984331b45fbSMasahiro Yamadaifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 985331b45fbSMasahiro Yamadaifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 986331b45fbSMasahiro Yamada @echo >&2 " Your architecture does not support generic board." 987331b45fbSMasahiro Yamada @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 988331b45fbSMasahiro Yamada @/bin/false 989331b45fbSMasahiro Yamadaendif 990331b45fbSMasahiro Yamadaendif 9914a377552SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 9924a377552SMasahiro Yamada @echo >&2 " Could not find linker script." 9934a377552SMasahiro Yamada @/bin/false 9944a377552SMasahiro Yamadaendif 9957ebf7443Swdenk 9963341bfecSMasahiro Yamadaarchprepare: prepare1 scripts_basic 997a8c7c708Swdenk 9986a44d806SMasahiro Yamadaprepare0: archprepare FORCE 9996a44d806SMasahiro Yamada $(Q)$(MAKE) $(build)=. 10007ebf7443Swdenk 10013341bfecSMasahiro Yamada# All the preparing.. 10023341bfecSMasahiro Yamadaprepare: prepare0 1003349e83f0SChe-liang Chiou 10047424145fSMasahiro Yamada# Generate some files 10057424145fSMasahiro Yamada# --------------------------------------------------------------------------- 10067424145fSMasahiro Yamada 10077424145fSMasahiro Yamadadefine filechk_version.h 10087424145fSMasahiro Yamada (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 10097424145fSMasahiro Yamada echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 10107424145fSMasahiro Yamada echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 10117424145fSMasahiro Yamada echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 10127424145fSMasahiro Yamadaendef 10137424145fSMasahiro Yamada 10147424145fSMasahiro Yamadadefine filechk_timestamp.h 10157424145fSMasahiro Yamada (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 10167424145fSMasahiro Yamada LC_ALL=C date +'#define U_BOOT_TIME "%T"') 10177424145fSMasahiro Yamadaendef 10187424145fSMasahiro Yamada 10192e6b2f6aSMasahiro Yamada$(version_h): include/config/uboot.release FORCE 10207424145fSMasahiro Yamada $(call filechk,version.h) 10217424145fSMasahiro Yamada 10227424145fSMasahiro Yamada$(timestamp_h): $(srctree)/Makefile FORCE 10237424145fSMasahiro Yamada $(call filechk,timestamp.h) 10247424145fSMasahiro Yamada 1025433b2f1eSMasahiro Yamada# 1026433b2f1eSMasahiro Yamada# Auto-generate the autoconf.mk file (which is included by all makefiles) 1027433b2f1eSMasahiro Yamada# 1028433b2f1eSMasahiro Yamada# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 1029433b2f1eSMasahiro Yamada# the dep file is only include in this top level makefile to determine when 1030433b2f1eSMasahiro Yamada# to regenerate the autoconf.mk file. 10311aada9cdSWolfgang Denk 1032433b2f1eSMasahiro Yamadaquiet_cmd_autoconf_dep = GEN $@ 1033433b2f1eSMasahiro Yamada cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 1034433b2f1eSMasahiro Yamada -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 1035887e2ec9SStefan Roese 1036433b2f1eSMasahiro Yamadainclude/autoconf.mk.dep: include/config.h include/common.h 1037433b2f1eSMasahiro Yamada $(call cmd,autoconf_dep) 1038887e2ec9SStefan Roese 1039433b2f1eSMasahiro Yamadaquiet_cmd_autoconf = GEN $@ 1040433b2f1eSMasahiro Yamada cmd_autoconf = \ 1041433b2f1eSMasahiro Yamada $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1042433b2f1eSMasahiro Yamada sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1043433b2f1eSMasahiro Yamada rm $@.tmp 10445df2ee27SDaniel Schwierzeck 1045433b2f1eSMasahiro Yamadainclude/autoconf.mk: include/config.h 1046433b2f1eSMasahiro Yamada $(call cmd,autoconf) 1047433b2f1eSMasahiro Yamada 10486378008aSMasahiro Yamada# --------------------------------------------------------------------------- 10496378008aSMasahiro Yamada 10506378008aSMasahiro YamadaPHONY += depend dep 10516378008aSMasahiro Yamadadepend dep: 10526378008aSMasahiro Yamada @echo '*** Warning: make $@ is unnecessary now.' 10536378008aSMasahiro Yamada 10546378008aSMasahiro Yamada# --------------------------------------------------------------------------- 105504a34c96SMasahiro Yamadaquiet_cmd_cpp_lds = LDS $@ 1056*395e60cdSMasahiro Yamadacmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 1057*395e60cdSMasahiro Yamada -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 10586378008aSMasahiro Yamada 105904a34c96SMasahiro Yamadau-boot.lds: $(LDSCRIPT) prepare FORCE 1060*395e60cdSMasahiro Yamada $(call if_changed_dep,cpp_lds) 1061f2302d44SStefan Roese 1062ee0acfa2SMasahiro YamadaPHONY += nand_spl 10636378008aSMasahiro Yamadanand_spl: prepare 106403c7b3fcSMasahiro Yamada $(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 10653d5a335cSMasahiro Yamada @echo >&2 10663d5a335cSMasahiro Yamada @echo >&2 "==================== WARNING =====================" 10673d5a335cSMasahiro Yamada @echo >&2 "nand_spl will not be included in v2014.07 release." 10683d5a335cSMasahiro Yamada @echo >&2 "Please switch over to SPL." 10693d5a335cSMasahiro Yamada @echo >&2 "Otherwise, this board will be removed." 10703d5a335cSMasahiro Yamada @echo >&2 "==================================================" 10713d5a335cSMasahiro Yamada @echo >&2 1072ca6189dbSKyungmin Park 1073ee0acfa2SMasahiro Yamadanand_spl/u-boot-spl-16k.bin: nand_spl 1074ee0acfa2SMasahiro Yamada @: 1075ee0acfa2SMasahiro Yamada 1076ee0acfa2SMasahiro Yamadau-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE 1077ee0acfa2SMasahiro Yamada $(call if_changed,cat) 10780d3c62e4SChander Kashyap 1079982a1199SMasahiro Yamadaspl/u-boot-spl.bin: spl/u-boot-spl 1080982a1199SMasahiro Yamada @: 1081982a1199SMasahiro Yamadaspl/u-boot-spl: tools prepare 108203c7b3fcSMasahiro Yamada $(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all 10830d3c62e4SChander Kashyap 10846378008aSMasahiro Yamadatpl/u-boot-tpl.bin: tools prepare 108503c7b3fcSMasahiro Yamada $(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 10863aa29de0SYing Zhang 1087656de6b8SMasahiro YamadaTAG_SUBDIRS := $(u-boot-dirs) include 1088a340c325SJean-Christophe PLAGNIOL-VILLARD 1089857d9ea6SHorst KronstorferFIND := find 1090857d9ea6SHorst KronstorferFINDFLAGS := -L 1091857d9ea6SHorst Kronstorfer 1092f9328639SMarian Balakowicztags ctags: 10939e414032SMasahiro Yamada ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1094e5e4e705SLi Yang -name '*.[chS]' -print` 10957ebf7443Swdenk 10967ebf7443Swdenketags: 1097857d9ea6SHorst Kronstorfer etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1098e5e4e705SLi Yang -name '*.[chS]' -print` 1099ffda586fSLi Yangcscope: 1100857d9ea6SHorst Kronstorfer $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1101857d9ea6SHorst Kronstorfer cscope.files 1102ffda586fSLi Yang cscope -b -q -k 11037ebf7443Swdenk 1104ecb1dc89SMike FrysingerSYSTEM_MAP = \ 1105ecb1dc89SMike Frysinger $(NM) $1 | \ 11067ebf7443Swdenk grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1107ecb1dc89SMike Frysinger LC_ALL=C sort 11089e414032SMasahiro YamadaSystem.map: u-boot 1109bc8bb6ecSMasahiro Yamada @$(call SYSTEM_MAP,$<) > $@ 11107ebf7443Swdenk 1111501ebdf2SStephen Warrencheckdtc: 1112501ebdf2SStephen Warren @if test $(call dtc-version) -lt 0104; then \ 1113501ebdf2SStephen Warren echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1114501ebdf2SStephen Warren false; \ 1115501ebdf2SStephen Warren fi 1116501ebdf2SStephen Warren 11177ebf7443Swdenk######################################################################### 11187ebf7443Swdenk 111954799e45SScott Wood# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 112054799e45SScott Wood# R_AARCH64_RELATIVE (64-bit). 11219e414032SMasahiro Yamadacheckarmreloc: u-boot 112254799e45SScott Wood @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 112354799e45SScott Wood grep R_A | sort -u`"; \ 112454799e45SScott Wood if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 112554799e45SScott Wood "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 112654799e45SScott Wood echo "$< contains unexpected relocations: $$RELOC"; \ 112754799e45SScott Wood false; \ 112854799e45SScott Wood fi 1129c37980c3SAlbert ARIBAUD 11307424145fSMasahiro Yamadaenv: scripts_basic 11313f76e984SMasahiro Yamada $(Q)$(MAKE) $(build)=tools/$@ 11320358df42SMike Frysinger 11334642e002SMasahiro Yamadatools-only: scripts_basic $(version_h) $(timestamp_h) 11344642e002SMasahiro Yamada $(Q)$(MAKE) $(build)=tools 11354642e002SMasahiro Yamada 11361ec8b4efSMasahiro Yamadatools-all: export HOST_TOOLS_ALL=y 11372887c473SMasahiro Yamadatools-all: env tools ; 11380358df42SMike Frysinger 1139db5b339cSMasahiro Yamadacross_tools: export CROSS_BUILD_TOOLS=y 1140db5b339cSMasahiro Yamadacross_tools: tools ; 1141db5b339cSMasahiro Yamada 11424e53a258SWolfgang Denk.PHONY : CHANGELOG 11434e53a258SWolfgang DenkCHANGELOG: 1144b985b5d6SBen Warren git log --no-merges U-Boot-1_1_5.. | \ 1145b985b5d6SBen Warren unexpand -a | sed -e 's/\s\s*$$//' > $@ 11464e53a258SWolfgang Denk 11470a823aa2SHarald Welteinclude/license.h: tools/bin2header COPYING 11480a823aa2SHarald Welte cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 11497ebf7443Swdenk######################################################################### 11507ebf7443Swdenk 1151efcf8619SMasahiro Yamada### 1152efcf8619SMasahiro Yamada# Cleaning is done on three levels. 1153efcf8619SMasahiro Yamada# make clean Delete most generated files 1154efcf8619SMasahiro Yamada# Leave enough to build external modules 1155efcf8619SMasahiro Yamada# make mrproper Delete the current configuration, and all generated files 1156efcf8619SMasahiro Yamada# make distclean Remove editor backup files, patch leftover files and the like 11577ebf7443Swdenk 1158efcf8619SMasahiro Yamada# Directories & files removed with 'make clean' 1159efcf8619SMasahiro YamadaCLEAN_DIRS += $(MODVERDIR) 1160efcf8619SMasahiro YamadaCLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1161efcf8619SMasahiro Yamada include/autoconf.mk* include/spl-autoconf.mk \ 1162433b2f1eSMasahiro Yamada include/tpl-autoconf.mk 1163a6862bc1SWolfgang Denk 1164efcf8619SMasahiro Yamada# Directories & files removed with 'make clobber' 1165efcf8619SMasahiro YamadaCLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1166efcf8619SMasahiro Yamada $(shell ls -1 spl 2>/dev/null))) \ 1167efcf8619SMasahiro Yamada tpl 116873c8b52bSMasahiro YamadaCLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot* 11699f4a4206SMike Frysinger 1170efcf8619SMasahiro Yamada# Directories & files removed with 'make mrproper' 1171efcf8619SMasahiro YamadaMRPROPER_DIRS += include/config include/generated 1172efcf8619SMasahiro YamadaMRPROPER_FILES += .config .config.old \ 1173efcf8619SMasahiro Yamada tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1174efcf8619SMasahiro Yamada include/config.h include/config.mk 11757ebf7443Swdenk 1176efcf8619SMasahiro Yamada# clean - Delete most, but leave enough to build external modules 1177efcf8619SMasahiro Yamada# 1178efcf8619SMasahiro Yamadaclean: rm-dirs := $(CLEAN_DIRS) 1179efcf8619SMasahiro Yamadaclean: rm-files := $(CLEAN_FILES) 11807ebf7443Swdenk 11816bd04bb4SMasahiro Yamadaclean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1182734329f9SAndy Fleming 1183efcf8619SMasahiro Yamadaclean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 11847ebf7443Swdenk 1185efcf8619SMasahiro YamadaPHONY += $(clean-dirs) clean archclean 1186efcf8619SMasahiro Yamada$(clean-dirs): 1187efcf8619SMasahiro Yamada $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1188efcf8619SMasahiro Yamada 1189efcf8619SMasahiro Yamada# TODO: Do not use *.cfgtmp 1190efcf8619SMasahiro Yamadaclean: $(clean-dirs) 1191efcf8619SMasahiro Yamada $(call cmd,rmdirs) 1192efcf8619SMasahiro Yamada $(call cmd,rmfiles) 1193efcf8619SMasahiro Yamada @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1194efcf8619SMasahiro Yamada \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1195efcf8619SMasahiro Yamada -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1196efcf8619SMasahiro Yamada -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1197efcf8619SMasahiro Yamada -o -name '*.symtypes' -o -name 'modules.order' \ 1198efcf8619SMasahiro Yamada -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1199efcf8619SMasahiro Yamada -o -name '*.gcno' \) -type f -print | xargs rm -f 1200efcf8619SMasahiro Yamada @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1201efcf8619SMasahiro Yamada -path './nand_spl/*' -type l -print | xargs rm -f 1202efcf8619SMasahiro Yamada 1203efcf8619SMasahiro Yamada# clobber 1204efcf8619SMasahiro Yamada# 1205efcf8619SMasahiro Yamadaclobber: rm-dirs := $(CLOBBER_DIRS) 1206efcf8619SMasahiro Yamadaclobber: rm-files := $(CLOBBER_FILES) 1207efcf8619SMasahiro Yamada 1208efcf8619SMasahiro YamadaPHONY += clobber 1209efcf8619SMasahiro Yamada 1210efcf8619SMasahiro Yamadaclobber: clean 1211efcf8619SMasahiro Yamada $(call cmd,rmdirs) 1212efcf8619SMasahiro Yamada $(call cmd,rmfiles) 1213efcf8619SMasahiro Yamada 1214efcf8619SMasahiro Yamada# mrproper - Delete all generated files, including .config 1215efcf8619SMasahiro Yamada# 1216efcf8619SMasahiro Yamadamrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1217efcf8619SMasahiro Yamadamrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1218efcf8619SMasahiro Yamadamrproper-dirs := $(addprefix _mrproper_,scripts) 1219efcf8619SMasahiro Yamada 1220efcf8619SMasahiro YamadaPHONY += $(mrproper-dirs) mrproper archmrproper 1221efcf8619SMasahiro Yamada$(mrproper-dirs): 1222efcf8619SMasahiro Yamada $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1223efcf8619SMasahiro Yamada 1224efcf8619SMasahiro Yamadamrproper: clobber $(mrproper-dirs) 1225efcf8619SMasahiro Yamada $(call cmd,rmdirs) 1226efcf8619SMasahiro Yamada $(call cmd,rmfiles) 1227efcf8619SMasahiro Yamada @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1228efcf8619SMasahiro Yamada 1229efcf8619SMasahiro Yamada# distclean 1230efcf8619SMasahiro Yamada# 1231efcf8619SMasahiro YamadaPHONY += distclean 1232efcf8619SMasahiro Yamada 1233433b2f1eSMasahiro Yamadadistclean: mrproper 1234efcf8619SMasahiro Yamada @find $(srctree) $(RCS_FIND_IGNORE) \ 1235efcf8619SMasahiro Yamada \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1236efcf8619SMasahiro Yamada -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 12372e50f6dcSMasahiro Yamada -o -name '.*.rej' -o -name '*.pyc' \ 1238efcf8619SMasahiro Yamada -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1239efcf8619SMasahiro Yamada -type f -print | xargs rm -f 12407ebf7443Swdenk 12417ebf7443Swdenkbackup: 12424379ac61SMasahiro Yamada F=`basename $(srctree)` ; cd .. ; \ 1243d6b93714SIlya Yanok gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 12447ebf7443Swdenk 1245ed1ca528SMasahiro Yamadahelp: 1246ed1ca528SMasahiro Yamada @echo 'Cleaning targets:' 1247ed1ca528SMasahiro Yamada @echo ' clean - Remove most generated files but keep the config and' 1248ed1ca528SMasahiro Yamada @echo ' necessities for testing u-boot' 1249ed1ca528SMasahiro Yamada @echo ' clobber - Remove most generated files but keep the config' 1250ed1ca528SMasahiro Yamada @echo ' mrproper - Remove all generated files + config + various backup files' 1251ed1ca528SMasahiro Yamada @echo ' distclean - mrproper + remove editor backup and patch files' 1252ed1ca528SMasahiro Yamada @echo '' 1253ed1ca528SMasahiro Yamada# uncomment after adding Kconfig feature 1254ed1ca528SMasahiro Yamada# @echo 'Configuration targets:' 1255ed1ca528SMasahiro Yamada# @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1256ed1ca528SMasahiro Yamada# @echo '' 1257ed1ca528SMasahiro Yamada @echo 'Other generic targets:' 1258ed1ca528SMasahiro Yamada @echo ' all - Build all necessary images depending on configuration' 1259ed1ca528SMasahiro Yamada @echo ' u-boot - Build the bare u-boot' 1260ed1ca528SMasahiro Yamada @echo ' dir/ - Build all files in dir and below' 1261ed1ca528SMasahiro Yamada @echo ' dir/file.[oisS] - Build specified target only' 1262ed1ca528SMasahiro Yamada @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1263ed1ca528SMasahiro Yamada @echo ' (requires a recent binutils and recent build (System.map))' 1264ed1ca528SMasahiro Yamada @echo ' tags/TAGS - Generate tags file for editors' 1265ed1ca528SMasahiro Yamada @echo ' cscope - Generate cscope index' 1266ed1ca528SMasahiro Yamada @echo ' ubootrelease - Output the release version string' 1267ed1ca528SMasahiro Yamada @echo ' ubootversion - Output the version stored in Makefile' 1268ed1ca528SMasahiro Yamada @echo '' 1269ed1ca528SMasahiro Yamada @echo 'Static analysers' 1270ed1ca528SMasahiro Yamada @echo ' checkstack - Generate a list of stack hogs' 1271ed1ca528SMasahiro Yamada @echo '' 1272ed1ca528SMasahiro Yamada @echo 'Documentation targets:' 1273ed1ca528SMasahiro Yamada @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1274ed1ca528SMasahiro Yamada @echo '' 1275ed1ca528SMasahiro Yamada @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1276ed1ca528SMasahiro Yamada @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1277ed1ca528SMasahiro Yamada @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1278ed1ca528SMasahiro Yamada @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1279ed1ca528SMasahiro Yamada @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1280ed1ca528SMasahiro Yamada @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1281ed1ca528SMasahiro Yamada @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1282ed1ca528SMasahiro Yamada @echo ' 1: warnings which may be relevant and do not occur too often' 1283ed1ca528SMasahiro Yamada @echo ' 2: warnings which occur quite often but may still be relevant' 1284ed1ca528SMasahiro Yamada @echo ' 3: more obscure warnings, can most likely be ignored' 1285ed1ca528SMasahiro Yamada @echo ' Multiple levels can be combined with W=12 or W=123' 1286ed1ca528SMasahiro Yamada @echo '' 1287ed1ca528SMasahiro Yamada @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1288ed1ca528SMasahiro Yamada @echo 'For further info see the ./README file' 1289ed1ca528SMasahiro Yamada 12908fac9c7bSMasahiro Yamada 12918fac9c7bSMasahiro Yamada# Documentation targets 12928fac9c7bSMasahiro Yamada# --------------------------------------------------------------------------- 12938fac9c7bSMasahiro Yamada%docs: scripts_basic FORCE 12948fac9c7bSMasahiro Yamada $(Q)$(MAKE) $(build)=scripts build_docproc 12958fac9c7bSMasahiro Yamada $(Q)$(MAKE) $(build)=doc/DocBook $@ 12968fac9c7bSMasahiro Yamada 12973341bfecSMasahiro Yamada# Dummies... 12983341bfecSMasahiro YamadaPHONY += prepare scripts 12993341bfecSMasahiro Yamadaprepare: ; 13003341bfecSMasahiro Yamadascripts: ; 13019e414032SMasahiro Yamada 1302433b2f1eSMasahiro Yamadaendif #ifeq ($(config-targets),1) 1303433b2f1eSMasahiro Yamadaendif #ifeq ($(mixed-targets),1) 1304433b2f1eSMasahiro Yamada 1305ed1ca528SMasahiro YamadaPHONY += checkstack ubootrelease ubootversion 1306ed1ca528SMasahiro Yamada 1307ed1ca528SMasahiro Yamadacheckstack: 1308ed1ca528SMasahiro Yamada $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1309ed1ca528SMasahiro Yamada $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1310ed1ca528SMasahiro Yamada 1311ed1ca528SMasahiro Yamadaubootrelease: 1312ed1ca528SMasahiro Yamada @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1313ed1ca528SMasahiro Yamada 1314ed1ca528SMasahiro Yamadaubootversion: 1315ed1ca528SMasahiro Yamada @echo $(UBOOTVERSION) 1316ed1ca528SMasahiro Yamada 1317886d86e8SMasahiro Yamada# Single targets 1318886d86e8SMasahiro Yamada# --------------------------------------------------------------------------- 1319886d86e8SMasahiro Yamada# Single targets are compatible with: 1320886d86e8SMasahiro Yamada# - build with mixed source and output 1321886d86e8SMasahiro Yamada# - build with separate output dir 'make O=...' 1322886d86e8SMasahiro Yamada# - external modules 1323886d86e8SMasahiro Yamada# 1324886d86e8SMasahiro Yamada# target-dir => where to store outputfile 1325886d86e8SMasahiro Yamada# build-dir => directory in kernel source tree to use 1326886d86e8SMasahiro Yamada 1327886d86e8SMasahiro Yamadaifeq ($(KBUILD_EXTMOD),) 1328886d86e8SMasahiro Yamada build-dir = $(patsubst %/,%,$(dir $@)) 1329886d86e8SMasahiro Yamada target-dir = $(dir $@) 1330886d86e8SMasahiro Yamadaelse 1331886d86e8SMasahiro Yamada zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1332886d86e8SMasahiro Yamada build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1333886d86e8SMasahiro Yamada target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1334886d86e8SMasahiro Yamadaendif 1335886d86e8SMasahiro Yamada 1336886d86e8SMasahiro Yamada%.s: %.c prepare scripts FORCE 1337886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1338886d86e8SMasahiro Yamada%.i: %.c prepare scripts FORCE 1339886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1340886d86e8SMasahiro Yamada%.o: %.c prepare scripts FORCE 1341886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1342886d86e8SMasahiro Yamada%.lst: %.c prepare scripts FORCE 1343886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1344886d86e8SMasahiro Yamada%.s: %.S prepare scripts FORCE 1345886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1346886d86e8SMasahiro Yamada%.o: %.S prepare scripts FORCE 1347886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1348886d86e8SMasahiro Yamada%.symtypes: %.c prepare scripts FORCE 1349886d86e8SMasahiro Yamada $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1350886d86e8SMasahiro Yamada 1351886d86e8SMasahiro Yamada# Modules 1352886d86e8SMasahiro Yamada/: prepare scripts FORCE 1353886d86e8SMasahiro Yamada $(cmd_crmodverdir) 1354886d86e8SMasahiro Yamada $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1355886d86e8SMasahiro Yamada $(build)=$(build-dir) 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%.ko: prepare scripts FORCE 1361886d86e8SMasahiro Yamada $(cmd_crmodverdir) 1362886d86e8SMasahiro Yamada $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1363886d86e8SMasahiro Yamada $(build)=$(build-dir) $(@:.ko=.o) 1364886d86e8SMasahiro Yamada $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1365886d86e8SMasahiro Yamada 1366886d86e8SMasahiro Yamada# FIXME Should go into a make.lib or something 1367886d86e8SMasahiro Yamada# =========================================================================== 1368886d86e8SMasahiro Yamada 1369efcf8619SMasahiro Yamadaquiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1370efcf8619SMasahiro Yamada cmd_rmdirs = rm -rf $(rm-dirs) 1371efcf8619SMasahiro Yamada 1372efcf8619SMasahiro Yamadaquiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1373efcf8619SMasahiro Yamada cmd_rmfiles = rm -f $(rm-files) 1374efcf8619SMasahiro Yamada 1375f9c235fdSMasahiro Yamada# read all saved command lines 1376f9c235fdSMasahiro Yamada 1377f9c235fdSMasahiro Yamadatargets := $(wildcard $(sort $(targets))) 1378f9c235fdSMasahiro Yamadacmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1379f9c235fdSMasahiro Yamada 1380f9c235fdSMasahiro Yamadaifneq ($(cmd_files),) 1381f9c235fdSMasahiro Yamada $(cmd_files): ; # Do not try to update included dependency files 1382f9c235fdSMasahiro Yamada include $(cmd_files) 1383f9c235fdSMasahiro Yamadaendif 1384f9c235fdSMasahiro Yamada 1385efcf8619SMasahiro Yamada# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1386efcf8619SMasahiro Yamada# Usage: 1387efcf8619SMasahiro Yamada# $(Q)$(MAKE) $(clean)=dir 1388efcf8619SMasahiro Yamadaclean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1389efcf8619SMasahiro Yamada 13909e414032SMasahiro Yamadaendif # skip-makefile 13919e414032SMasahiro Yamada 13929e414032SMasahiro YamadaPHONY += FORCE 13939e414032SMasahiro YamadaFORCE: 13949e414032SMasahiro Yamada 13959e414032SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 13969e414032SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 13979e414032SMasahiro Yamada.PHONY: $(PHONY) 1398