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 9d19ad726STom RiniPATCHLEVEL = 01 10211e4754SWolfgang DenkSUBLEVEL = 11b44bd2c7STom RiniEXTRAVERSION = 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 = $(V) 536825a95bSMasahiro Yamadaendif 546825a95bSMasahiro Yamadaifndef KBUILD_VERBOSE 556825a95bSMasahiro Yamada KBUILD_VERBOSE = 0 566825a95bSMasahiro Yamadaendif 576825a95bSMasahiro Yamada 586825a95bSMasahiro Yamada# Call a source code checker (by default, "sparse") as part of the 596825a95bSMasahiro Yamada# C compilation. 606825a95bSMasahiro Yamada# 616825a95bSMasahiro Yamada# Use 'make C=1' to enable checking of only re-compiled files. 626825a95bSMasahiro Yamada# Use 'make C=2' to enable checking of *all* source files, regardless 636825a95bSMasahiro Yamada# of whether they are re-compiled or not. 646825a95bSMasahiro Yamada# 656825a95bSMasahiro Yamada# See the file "Documentation/sparse.txt" for more details, including 666825a95bSMasahiro Yamada# where to get the "sparse" utility. 676825a95bSMasahiro Yamada 686825a95bSMasahiro Yamadaifeq ("$(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 1835f30f3beSMasahiro YamadaTIMESTAMP_FILE = include/generated/timestamp_autogenerated.h 1845f30f3beSMasahiro YamadaVERSION_FILE = include/generated/version_autogenerated.h 1855f30f3beSMasahiro Yamada 1865f30f3beSMasahiro YamadaHOSTARCH := $(shell uname -m | \ 1875f30f3beSMasahiro Yamada sed -e s/i.86/x86/ \ 1885f30f3beSMasahiro Yamada -e s/sun4u/sparc64/ \ 1895f30f3beSMasahiro Yamada -e s/arm.*/arm/ \ 1905f30f3beSMasahiro Yamada -e s/sa110/arm/ \ 1915f30f3beSMasahiro Yamada -e s/ppc64/powerpc/ \ 1925f30f3beSMasahiro Yamada -e s/ppc/powerpc/ \ 1935f30f3beSMasahiro Yamada -e s/macppc/powerpc/\ 1945f30f3beSMasahiro Yamada -e s/sh.*/sh/) 1955f30f3beSMasahiro Yamada 1965f30f3beSMasahiro YamadaHOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 1975f30f3beSMasahiro Yamada sed -e 's/\(cygwin\).*/cygwin/') 1985f30f3beSMasahiro Yamada 1995f30f3beSMasahiro Yamadaexport HOSTARCH HOSTOS 2005f30f3beSMasahiro Yamada 2015f30f3beSMasahiro Yamada# Deal with colliding definitions from tcsh etc. 2025f30f3beSMasahiro YamadaVENDOR= 2035f30f3beSMasahiro Yamada 2045f30f3beSMasahiro Yamada######################################################################### 2055f30f3beSMasahiro Yamada 2061ea6bcd8SMike Frysinger# set default to nothing for native builds 207a5284efdSWolfgang Denkifeq ($(HOSTARCH),$(ARCH)) 2081ea6bcd8SMike FrysingerCROSS_COMPILE ?= 2097ebf7443Swdenkendif 2107ebf7443Swdenk 211f6322eb7SMasahiro Yamada# SHELL used by kbuild 212f6322eb7SMasahiro YamadaCONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 213f6322eb7SMasahiro Yamada else if [ -x /bin/bash ]; then echo /bin/bash; \ 214f6322eb7SMasahiro Yamada else echo sh; fi ; fi) 215f6322eb7SMasahiro Yamada 216f6322eb7SMasahiro YamadaHOSTCC = gcc 217f6322eb7SMasahiro YamadaHOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 218f6322eb7SMasahiro Yamada 219f6322eb7SMasahiro Yamadaifeq ($(HOSTOS),cygwin) 220f6322eb7SMasahiro YamadaHOSTCFLAGS += -ansi 221f6322eb7SMasahiro Yamadaendif 222f6322eb7SMasahiro Yamada 223f6322eb7SMasahiro Yamada# Mac OS X / Darwin's C preprocessor is Apple specific. It 224f6322eb7SMasahiro Yamada# generates numerous errors and warnings. We want to bypass it 225f6322eb7SMasahiro Yamada# and use GNU C's cpp. To do this we pass the -traditional-cpp 226f6322eb7SMasahiro Yamada# option to the compiler. Note that the -traditional-cpp flag 227f6322eb7SMasahiro Yamada# DOES NOT have the same semantics as GNU C's flag, all it does 228f6322eb7SMasahiro Yamada# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 229f6322eb7SMasahiro Yamada# 230f6322eb7SMasahiro Yamada# Apple's linker is similar, thanks to the new 2 stage linking 231f6322eb7SMasahiro Yamada# multiple symbol definitions are treated as errors, hence the 232f6322eb7SMasahiro Yamada# -multiply_defined suppress option to turn off this error. 233f6322eb7SMasahiro Yamada# 234f6322eb7SMasahiro Yamadaifeq ($(HOSTOS),darwin) 235f6322eb7SMasahiro Yamada# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 236f6322eb7SMasahiro YamadaDARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 237f6322eb7SMasahiro YamadaDARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 238f6322eb7SMasahiro Yamada 239f6322eb7SMasahiro Yamadaos_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 240f6322eb7SMasahiro Yamada $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 241f6322eb7SMasahiro Yamada 242f6322eb7SMasahiro Yamada# Snow Leopards build environment has no longer restrictions as described above 243f6322eb7SMasahiro YamadaHOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 244f6322eb7SMasahiro YamadaHOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 245f6322eb7SMasahiro YamadaHOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 246f6322eb7SMasahiro Yamadaendif 247f6322eb7SMasahiro Yamada 2486825a95bSMasahiro Yamada# Decide whether to build built-in, modular, or both. 2496825a95bSMasahiro Yamada# Normally, just do built-in. 2506825a95bSMasahiro Yamada 2516825a95bSMasahiro YamadaKBUILD_MODULES := 2526825a95bSMasahiro YamadaKBUILD_BUILTIN := 1 2536825a95bSMasahiro Yamada 2546825a95bSMasahiro Yamada# If we have only "make modules", don't compile built-in objects. 2556825a95bSMasahiro Yamada# When we're building modules with modversions, we need to consider 2566825a95bSMasahiro Yamada# the built-in objects during the descend as well, in order to 2576825a95bSMasahiro Yamada# make sure the checksums are up to date before we record them. 2586825a95bSMasahiro Yamada 2596825a95bSMasahiro Yamadaifeq ($(MAKECMDGOALS),modules) 2606825a95bSMasahiro Yamada KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 2616825a95bSMasahiro Yamadaendif 2626825a95bSMasahiro Yamada 2636825a95bSMasahiro Yamada# If we have "make <whatever> modules", compile modules 2646825a95bSMasahiro Yamada# in addition to whatever we do anyway. 2656825a95bSMasahiro Yamada# Just "make" or "make all" shall build modules as well 2666825a95bSMasahiro Yamada 2676825a95bSMasahiro Yamada# U-Boot does not need modules 2686825a95bSMasahiro Yamada#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 2696825a95bSMasahiro Yamada# KBUILD_MODULES := 1 2706825a95bSMasahiro Yamada#endif 2716825a95bSMasahiro Yamada 2726825a95bSMasahiro Yamada#ifeq ($(MAKECMDGOALS),) 2736825a95bSMasahiro Yamada# KBUILD_MODULES := 1 2746825a95bSMasahiro Yamada#endif 2756825a95bSMasahiro Yamada 2766825a95bSMasahiro Yamadaexport KBUILD_MODULES KBUILD_BUILTIN 2776825a95bSMasahiro Yamadaexport KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 2786825a95bSMasahiro Yamada 2796825a95bSMasahiro Yamada# Beautify output 2806825a95bSMasahiro Yamada# --------------------------------------------------------------------------- 2816825a95bSMasahiro Yamada# 2826825a95bSMasahiro Yamada# Normally, we echo the whole command before executing it. By making 2836825a95bSMasahiro Yamada# that echo $($(quiet)$(cmd)), we now have the possibility to set 2846825a95bSMasahiro Yamada# $(quiet) to choose other forms of output instead, e.g. 2856825a95bSMasahiro Yamada# 2866825a95bSMasahiro Yamada# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 2876825a95bSMasahiro Yamada# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 2886825a95bSMasahiro Yamada# 2896825a95bSMasahiro Yamada# If $(quiet) is empty, the whole command will be printed. 2906825a95bSMasahiro Yamada# If it is set to "quiet_", only the short version will be printed. 2916825a95bSMasahiro Yamada# If it is set to "silent_", nothing will be printed at all, since 2926825a95bSMasahiro Yamada# the variable $(silent_cmd_cc_o_c) doesn't exist. 2936825a95bSMasahiro Yamada# 2946825a95bSMasahiro Yamada# A simple variant is to prefix commands with $(Q) - that's useful 2956825a95bSMasahiro Yamada# for commands that shall be hidden in non-verbose mode. 2966825a95bSMasahiro Yamada# 2976825a95bSMasahiro Yamada# $(Q)ln $@ :< 2986825a95bSMasahiro Yamada# 2996825a95bSMasahiro Yamada# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 3006825a95bSMasahiro Yamada# If KBUILD_VERBOSE equals 1 then the above command is displayed. 3016825a95bSMasahiro Yamada 3026825a95bSMasahiro Yamadaifeq ($(KBUILD_VERBOSE),1) 3036825a95bSMasahiro Yamada quiet = 3046825a95bSMasahiro Yamada Q = 3056825a95bSMasahiro Yamadaelse 3066825a95bSMasahiro Yamada quiet=quiet_ 3076825a95bSMasahiro Yamada Q = @ 3086825a95bSMasahiro Yamadaendif 3096825a95bSMasahiro Yamada 3106825a95bSMasahiro Yamada# If the user is running make -s (silent mode), suppress echoing of 3116825a95bSMasahiro Yamada# commands 3126825a95bSMasahiro Yamada 3136825a95bSMasahiro Yamadaifneq ($(filter s% -s%,$(MAKEFLAGS)),) 3146825a95bSMasahiro Yamada quiet=silent_ 3156825a95bSMasahiro Yamadaendif 3166825a95bSMasahiro Yamada 3176825a95bSMasahiro Yamadaexport quiet Q KBUILD_VERBOSE 3186825a95bSMasahiro Yamada 3196825a95bSMasahiro Yamada 3209e414032SMasahiro Yamada# Look for make include files relative to root of kernel src 3219e414032SMasahiro YamadaMAKEFLAGS += --include-dir=$(srctree) 3229e414032SMasahiro Yamada 323bf4b3de1SMasahiro Yamada# We need some generic definitions (do not try to remake the file). 324bf4b3de1SMasahiro Yamada$(srctree)/scripts/Kbuild.include: ; 325bf4b3de1SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include 326bf4b3de1SMasahiro Yamada 327f6322eb7SMasahiro Yamada# Make variables (CC, etc...) 328f6322eb7SMasahiro Yamada 329f6322eb7SMasahiro YamadaAS = $(CROSS_COMPILE)as 330f6322eb7SMasahiro Yamada# Always use GNU ld 331f6322eb7SMasahiro Yamadaifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 332f6322eb7SMasahiro YamadaLD = $(CROSS_COMPILE)ld.bfd 333f6322eb7SMasahiro Yamadaelse 334f6322eb7SMasahiro YamadaLD = $(CROSS_COMPILE)ld 335f6322eb7SMasahiro Yamadaendif 336f6322eb7SMasahiro YamadaCC = $(CROSS_COMPILE)gcc 337f6322eb7SMasahiro YamadaCPP = $(CC) -E 338f6322eb7SMasahiro YamadaAR = $(CROSS_COMPILE)ar 339f6322eb7SMasahiro YamadaNM = $(CROSS_COMPILE)nm 340f6322eb7SMasahiro YamadaLDR = $(CROSS_COMPILE)ldr 341f6322eb7SMasahiro YamadaSTRIP = $(CROSS_COMPILE)strip 342f6322eb7SMasahiro YamadaOBJCOPY = $(CROSS_COMPILE)objcopy 343f6322eb7SMasahiro YamadaOBJDUMP = $(CROSS_COMPILE)objdump 344f6322eb7SMasahiro YamadaAWK = awk 345f6322eb7SMasahiro YamadaRANLIB = $(CROSS_COMPILE)RANLIB 346f6322eb7SMasahiro YamadaDTC = dtc 347f6322eb7SMasahiro YamadaCHECK = sparse 348f6322eb7SMasahiro Yamada 349f6322eb7SMasahiro YamadaCHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 350f6322eb7SMasahiro Yamada -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 351f6322eb7SMasahiro Yamada 3522b3c9d3dSMasahiro YamadaKBUILD_CPPFLAGS := -D__KERNEL__ 3532b3c9d3dSMasahiro Yamada 3542b3c9d3dSMasahiro YamadaKBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 3552b3c9d3dSMasahiro Yamada -Wno-format-security \ 3562b3c9d3dSMasahiro Yamada -fno-builtin -ffreestanding 3572b3c9d3dSMasahiro YamadaKBUILD_AFLAGS := -D__ASSEMBLY__ 3582b3c9d3dSMasahiro Yamada 3595f30f3beSMasahiro YamadaU_BOOT_VERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 3605f30f3beSMasahiro Yamada 3615f30f3beSMasahiro Yamadaexport VERSION PATCHLEVEL SUBLEVEL U_BOOT_VERSION 362433b2f1eSMasahiro Yamadaexport ARCH CPU BOARD VENDOR SOC 363f6322eb7SMasahiro Yamadaexport CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 364f6322eb7SMasahiro Yamadaexport CPP AR NM LDR STRIP OBJCOPY OBJDUMP 365f6322eb7SMasahiro Yamadaexport MAKE AWK 366f6322eb7SMasahiro Yamadaexport DTC CHECK CHECKFLAGS 367f6322eb7SMasahiro Yamada 368fea1ca8eSMasahiro Yamadaexport KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE 3692b3c9d3dSMasahiro Yamadaexport KBUILD_CFLAGS KBUILD_AFLAGS 3702b3c9d3dSMasahiro Yamada 3716825a95bSMasahiro Yamada# When compiling out-of-tree modules, put MODVERDIR in the module 3726825a95bSMasahiro Yamada# tree rather than in the kernel tree. The kernel tree might 3736825a95bSMasahiro Yamada# even be read-only. 3746825a95bSMasahiro Yamadaexport MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 3756825a95bSMasahiro Yamada 3766825a95bSMasahiro Yamada# Files to ignore in find ... statements 3776825a95bSMasahiro Yamada 3786825a95bSMasahiro YamadaRCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ 3796825a95bSMasahiro Yamada -o -name .pc -o -name .hg -o -name .git \) -prune -o 3806825a95bSMasahiro Yamadaexport RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 3816825a95bSMasahiro Yamada --exclude CVS --exclude .pc --exclude .hg --exclude .git 3826825a95bSMasahiro Yamada 3836825a95bSMasahiro Yamada# =========================================================================== 3846825a95bSMasahiro Yamada# Rules shared between *config targets and build targets 3856825a95bSMasahiro Yamada 3866825a95bSMasahiro Yamada# Basic helpers built in scripts/ 3876825a95bSMasahiro YamadaPHONY += scripts_basic 3886825a95bSMasahiro Yamadascripts_basic: 3896825a95bSMasahiro Yamada $(Q)$(MAKE) $(build)=scripts/basic 3906825a95bSMasahiro Yamada $(Q)rm -f .tmp_quiet_recordmcount 3916825a95bSMasahiro Yamada 3926825a95bSMasahiro Yamada# To avoid any implicit rule to kick in, define an empty command. 3936825a95bSMasahiro Yamadascripts/basic/%: scripts_basic ; 3946825a95bSMasahiro Yamada 395433b2f1eSMasahiro Yamada# To make sure we do not include .config for any of the *config targets 396433b2f1eSMasahiro Yamada# catch them early, and hand them over to scripts/kconfig/Makefile 397433b2f1eSMasahiro Yamada# It is allowed to specify more targets when calling make, including 398433b2f1eSMasahiro Yamada# mixing *config targets and build targets. 399433b2f1eSMasahiro Yamada# For example 'make oldconfig all'. 400433b2f1eSMasahiro Yamada# Detect when mixed targets is specified, and make a second invocation 401433b2f1eSMasahiro Yamada# of make so .config is not included in this case either (for *config). 4026825a95bSMasahiro Yamada 403433b2f1eSMasahiro Yamadano-dot-config-targets := clean clobber mrproper distclean \ 404433b2f1eSMasahiro Yamada cscope TAGS %tags help %docs check% coccicheck \ 405433b2f1eSMasahiro Yamada backup 4062b3c9d3dSMasahiro Yamada 407433b2f1eSMasahiro Yamadaconfig-targets := 0 408433b2f1eSMasahiro Yamadamixed-targets := 0 409433b2f1eSMasahiro Yamadadot-config := 1 4102b3c9d3dSMasahiro Yamada 411433b2f1eSMasahiro Yamadaifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 412433b2f1eSMasahiro Yamada ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 413433b2f1eSMasahiro Yamada dot-config := 0 4142b3c9d3dSMasahiro Yamada endif 4152b3c9d3dSMasahiro Yamadaendif 4162b3c9d3dSMasahiro Yamada 417433b2f1eSMasahiro Yamadaifeq ($(KBUILD_EXTMOD),) 418433b2f1eSMasahiro Yamada ifneq ($(filter config %config,$(MAKECMDGOALS)),) 419433b2f1eSMasahiro Yamada config-targets := 1 420433b2f1eSMasahiro Yamada ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 421433b2f1eSMasahiro Yamada mixed-targets := 1 422433b2f1eSMasahiro Yamada endif 423433b2f1eSMasahiro Yamada endif 424433b2f1eSMasahiro Yamadaendif 425433b2f1eSMasahiro Yamada 426433b2f1eSMasahiro Yamadaifeq ($(mixed-targets),1) 427433b2f1eSMasahiro Yamada# =========================================================================== 428433b2f1eSMasahiro Yamada# We're called with mixed targets (*config and build targets). 429433b2f1eSMasahiro Yamada# Handle them one by one. 430433b2f1eSMasahiro Yamada 431*53bca5abSMasahiro YamadaPHONY += $(MAKECMDGOALS) build-one-by-one 432*53bca5abSMasahiro Yamada 433*53bca5abSMasahiro Yamada$(MAKECMDGOALS): build-one-by-one 434*53bca5abSMasahiro Yamada @: 435*53bca5abSMasahiro Yamada 436*53bca5abSMasahiro Yamadabuild-one-by-one: 437*53bca5abSMasahiro Yamada $(Q)set -e; \ 438*53bca5abSMasahiro Yamada for i in $(MAKECMDGOALS); do \ 439*53bca5abSMasahiro Yamada $(MAKE) -f $(srctree)/Makefile $$i; \ 440*53bca5abSMasahiro Yamada done 441433b2f1eSMasahiro Yamada 442433b2f1eSMasahiro Yamadaelse 443433b2f1eSMasahiro Yamadaifeq ($(config-targets),1) 444433b2f1eSMasahiro Yamada# =========================================================================== 445433b2f1eSMasahiro Yamada# *config targets only - make sure prerequisites are updated, and descend 446433b2f1eSMasahiro Yamada# in scripts/kconfig to make the *config target 447433b2f1eSMasahiro Yamada 448433b2f1eSMasahiro Yamada# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 449433b2f1eSMasahiro Yamada# KBUILD_DEFCONFIG may point out an alternative default configuration 450433b2f1eSMasahiro Yamada# used for 'make defconfig' 451433b2f1eSMasahiro Yamada 452433b2f1eSMasahiro Yamada%_config:: 453433b2f1eSMasahiro Yamada @$(MKCONFIG) -A $(@:_config=) 454433b2f1eSMasahiro Yamada 455433b2f1eSMasahiro Yamadaelse 456433b2f1eSMasahiro Yamada# =========================================================================== 457433b2f1eSMasahiro Yamada# Build targets only - this includes vmlinux, arch specific targets, clean 458433b2f1eSMasahiro Yamada# targets and others. In general all targets except *config targets. 459433b2f1eSMasahiro Yamada 460433b2f1eSMasahiro Yamada# load ARCH, BOARD, and CPU configuration 461433b2f1eSMasahiro Yamada-include include/config.mk 462433b2f1eSMasahiro Yamada 463433b2f1eSMasahiro Yamadaifeq ($(dot-config),1) 464433b2f1eSMasahiro Yamada# Read in config 465433b2f1eSMasahiro Yamada-include include/autoconf.mk 466433b2f1eSMasahiro Yamada-include include/autoconf.mk.dep 467433b2f1eSMasahiro Yamada 46892b197f0SWolfgang Denk# load other configuration 469433b2f1eSMasahiro Yamadainclude $(srctree)/config.mk 47092b197f0SWolfgang Denk 471433b2f1eSMasahiro Yamadaifeq ($(wildcard include/config.mk),) 472433b2f1eSMasahiro Yamada$(error "System not configured - see README") 473ced0715dSMasahiro Yamadaendif 474ced0715dSMasahiro Yamada 475ced0715dSMasahiro Yamadaifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 476ced0715dSMasahiro Yamadaifneq ($(CONFIG_SYS_GENERIC_BOARD),) 477433b2f1eSMasahiro Yamada$(error Your architecture does not support generic board. \ 478ced0715dSMasahiro YamadaPlease undefined CONFIG_SYS_GENERIC_BOARD in your board config file) 479ced0715dSMasahiro Yamadaendif 480fada9e20SSimon Glassendif 4816825a95bSMasahiro Yamada 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 486ee60197eSSimon GlassLDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 487ee60197eSSimon Glass 488d51dfff7SIlya Yanokifndef LDSCRIPT 489d51dfff7SIlya Yanok #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 490d51dfff7SIlya Yanok ifdef CONFIG_SYS_LDSCRIPT 491d51dfff7SIlya Yanok # need to strip off double quotes 492a8c07541SMasahiro Yamada LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 493d51dfff7SIlya Yanok endif 494d51dfff7SIlya Yanokendif 495d51dfff7SIlya Yanok 496ee60197eSSimon Glass# If there is no specified link script, we look in a number of places for it 497d51dfff7SIlya Yanokifndef LDSCRIPT 498d51dfff7SIlya Yanok ifeq ($(CONFIG_NAND_U_BOOT),y) 499d51dfff7SIlya Yanok LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 500d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 501d51dfff7SIlya Yanok LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 502d51dfff7SIlya Yanok endif 503d51dfff7SIlya Yanok endif 504d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 505d51dfff7SIlya Yanok LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 506d51dfff7SIlya Yanok endif 507d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 508d51dfff7SIlya Yanok LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 509d51dfff7SIlya Yanok endif 510d51dfff7SIlya Yanok ifeq ($(wildcard $(LDSCRIPT)),) 511ee60197eSSimon Glass LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 512ee60197eSSimon Glass # We don't expect a Makefile here 513ee60197eSSimon Glass LDSCRIPT_MAKEFILE_DIR = 514ee60197eSSimon Glass endif 515ee60197eSSimon Glass ifeq ($(wildcard $(LDSCRIPT)),) 516d51dfff7SIlya Yanok$(error could not find linker script) 517d51dfff7SIlya Yanok endif 518d51dfff7SIlya Yanokendif 519d51dfff7SIlya Yanok 520433b2f1eSMasahiro Yamadaelse 521433b2f1eSMasahiro Yamada 522433b2f1eSMasahiro Yamada 523433b2f1eSMasahiro Yamadaendif # $(dot-config) 524433b2f1eSMasahiro Yamada 525433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -Os #-fomit-frame-pointer 526433b2f1eSMasahiro Yamada 527433b2f1eSMasahiro Yamadaifdef BUILD_TAG 528433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 529433b2f1eSMasahiro Yamadaendif 530433b2f1eSMasahiro Yamada 531433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 532433b2f1eSMasahiro Yamada 533433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -g 534433b2f1eSMasahiro Yamada# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 535433b2f1eSMasahiro Yamada# option to the assembler. 536433b2f1eSMasahiro YamadaKBUILD_AFLAGS += -g 537433b2f1eSMasahiro Yamada 538433b2f1eSMasahiro Yamada# Report stack usage if supported 539433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-fstack-usage) 540433b2f1eSMasahiro Yamada 541433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 542433b2f1eSMasahiro Yamada 543433b2f1eSMasahiro Yamada# turn jbsr into jsr for m68k 544433b2f1eSMasahiro Yamadaifeq ($(ARCH),m68k) 545433b2f1eSMasahiro Yamadaifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 546433b2f1eSMasahiro YamadaKBUILD_AFLAGS += -Wa,-gstabs,-S 547433b2f1eSMasahiro Yamadaendif 548433b2f1eSMasahiro Yamadaendif 549433b2f1eSMasahiro Yamada 550433b2f1eSMasahiro Yamadaifneq ($(CONFIG_SYS_TEXT_BASE),) 551433b2f1eSMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 552433b2f1eSMasahiro Yamadaendif 553433b2f1eSMasahiro Yamada 554433b2f1eSMasahiro Yamadaexport CONFIG_SYS_TEXT_BASE 555433b2f1eSMasahiro Yamada 556433b2f1eSMasahiro Yamada# Use UBOOTINCLUDE when you must reference the include/ directory. 557433b2f1eSMasahiro Yamada# Needed to be compatible with the O= option 558433b2f1eSMasahiro YamadaUBOOTINCLUDE := 559433b2f1eSMasahiro Yamadaifneq ($(OBJTREE),$(SRCTREE)) 560433b2f1eSMasahiro YamadaUBOOTINCLUDE += -I$(OBJTREE)/include 561433b2f1eSMasahiro Yamadaendif 562433b2f1eSMasahiro YamadaUBOOTINCLUDE += -I$(srctree)/include \ 563433b2f1eSMasahiro Yamada -I$(srctree)/arch/$(ARCH)/include 564433b2f1eSMasahiro Yamada 565433b2f1eSMasahiro YamadaNOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 566433b2f1eSMasahiro YamadaCHECKFLAGS += $(NOSTDINC_FLAGS) 567433b2f1eSMasahiro Yamada 568433b2f1eSMasahiro Yamada# FIX ME 569433b2f1eSMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) 570433b2f1eSMasahiro Yamadac_flags := $(KBUILD_CFLAGS) $(cpp_flags) 571433b2f1eSMasahiro Yamada 572656de6b8SMasahiro Yamada.PHONY : $(VERSION_FILE) $(TIMESTAMP_FILE) 573433b2f1eSMasahiro Yamada 5747ebf7443Swdenk######################################################################### 5757ebf7443Swdenk# U-Boot objects....order is important (i.e. start must be first) 5767ebf7443Swdenk 577e8a8b824SMasahiro Yamadahead-y := $(CPUDIR)/start.o 578e8a8b824SMasahiro Yamadahead-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 579e8a8b824SMasahiro Yamadahead-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 5807ebf7443Swdenk 5819e414032SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 5828b5a0264SDaniel Schwierzeck 583656de6b8SMasahiro Yamadalibs-y += lib/ 584656de6b8SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 585656de6b8SMasahiro Yamadalibs-y += $(CPUDIR)/ 5861d9f4105Swdenkifdef SOC 587656de6b8SMasahiro Yamadalibs-y += $(CPUDIR)/$(SOC)/ 5881d9f4105Swdenkendif 589656de6b8SMasahiro Yamadalibs-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 590656de6b8SMasahiro Yamadalibs-$(CONFIG_OF_EMBED) += dts/ 591656de6b8SMasahiro Yamadalibs-y += arch/$(ARCH)/lib/ 592656de6b8SMasahiro Yamadalibs-y += fs/ 593656de6b8SMasahiro Yamadalibs-y += net/ 594656de6b8SMasahiro Yamadalibs-y += disk/ 595656de6b8SMasahiro Yamadalibs-y += drivers/ 596656de6b8SMasahiro Yamadalibs-y += drivers/dma/ 597656de6b8SMasahiro Yamadalibs-y += drivers/gpio/ 598656de6b8SMasahiro Yamadalibs-y += drivers/i2c/ 599656de6b8SMasahiro Yamadalibs-y += drivers/input/ 600656de6b8SMasahiro Yamadalibs-y += drivers/mmc/ 601656de6b8SMasahiro Yamadalibs-y += drivers/mtd/ 602656de6b8SMasahiro Yamadalibs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 603656de6b8SMasahiro Yamadalibs-y += drivers/mtd/onenand/ 604656de6b8SMasahiro Yamadalibs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 605656de6b8SMasahiro Yamadalibs-y += drivers/mtd/spi/ 606656de6b8SMasahiro Yamadalibs-y += drivers/net/ 607656de6b8SMasahiro Yamadalibs-y += drivers/net/phy/ 608656de6b8SMasahiro Yamadalibs-y += drivers/pci/ 609656de6b8SMasahiro Yamadalibs-y += drivers/power/ \ 610e2906a59SMasahiro Yamada drivers/power/fuel_gauge/ \ 611e2906a59SMasahiro Yamada drivers/power/mfd/ \ 612e2906a59SMasahiro Yamada drivers/power/pmic/ \ 613e2906a59SMasahiro Yamada drivers/power/battery/ 614656de6b8SMasahiro Yamadalibs-y += drivers/spi/ 615656de6b8SMasahiro Yamadalibs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 616656de6b8SMasahiro Yamadalibs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 617656de6b8SMasahiro Yamadalibs-y += drivers/serial/ 618656de6b8SMasahiro Yamadalibs-y += drivers/usb/eth/ 619656de6b8SMasahiro Yamadalibs-y += drivers/usb/gadget/ 620656de6b8SMasahiro Yamadalibs-y += drivers/usb/host/ 621656de6b8SMasahiro Yamadalibs-y += drivers/usb/musb/ 622656de6b8SMasahiro Yamadalibs-y += drivers/usb/musb-new/ 623656de6b8SMasahiro Yamadalibs-y += drivers/usb/phy/ 624656de6b8SMasahiro Yamadalibs-y += drivers/usb/ulpi/ 625656de6b8SMasahiro Yamadalibs-y += common/ 626656de6b8SMasahiro Yamadalibs-y += lib/libfdt/ 627656de6b8SMasahiro Yamadalibs-$(CONFIG_API) += api/ 628656de6b8SMasahiro Yamadalibs-$(CONFIG_HAS_POST) += post/ 629656de6b8SMasahiro Yamadalibs-y += test/ 630f9328639SMarian Balakowicz 63124e8bee5SAlison Wangifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 632656de6b8SMasahiro Yamadalibs-y += arch/$(ARCH)/imx-common/ 63318936ee2SJason Liuendif 63418936ee2SJason Liu 635656de6b8SMasahiro Yamadalibs-$(CONFIG_ARM) += arch/arm/cpu/ 636656de6b8SMasahiro Yamadalibs-$(CONFIG_PPC) += arch/powerpc/cpu/ 637852bd07cSMinkyu Kang 638656de6b8SMasahiro Yamadalibs-y += board/$(BOARDDIR)/ 63908e39a84SMasahiro Yamada 640656de6b8SMasahiro Yamadalibs-y := $(sort $(libs-y)) 641656de6b8SMasahiro Yamada 642656de6b8SMasahiro Yamadau-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 643656de6b8SMasahiro Yamada 644656de6b8SMasahiro Yamadau-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 645656de6b8SMasahiro Yamada 646656de6b8SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 647656de6b8SMasahiro Yamada 648656de6b8SMasahiro Yamadau-boot-init := $(head-y) 649656de6b8SMasahiro Yamadau-boot-main := $(libs-y) 650656de6b8SMasahiro Yamada 651a8c7c708Swdenk 6524f7cb08eSwdenk# Add GCC lib 65352b1bf2cSWolfgang Denkifdef USE_PRIVATE_LIBGCC 65452b1bf2cSWolfgang Denkifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 6556825a95bSMasahiro YamadaPLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/lib.a 65652b1bf2cSWolfgang Denkelse 65752b1bf2cSWolfgang DenkPLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 65852b1bf2cSWolfgang Denkendif 65952b1bf2cSWolfgang Denkelse 6606825a95bSMasahiro YamadaPLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 66152b1bf2cSWolfgang Denkendif 66252b1bf2cSWolfgang DenkPLATFORM_LIBS += $(PLATFORM_LIBGCC) 66352b1bf2cSWolfgang Denkexport PLATFORM_LIBS 6643d3befa7Swdenk 6656ac9f479SMike Frysinger# Special flags for CPP when processing the linker script. 6666ac9f479SMike Frysinger# Pass the version down so we can handle backwards compatibility 6676ac9f479SMike Frysinger# on the fly. 6686ac9f479SMike FrysingerLDPPFLAGS += \ 6696ac9f479SMike Frysinger -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 6707e6403a6SSimon Glass -DCPUDIR=$(CPUDIR) \ 6716ac9f479SMike Frysinger $(shell $(LD) --version | \ 6726ac9f479SMike Frysinger sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 6736ac9f479SMike Frysinger 6747ebf7443Swdenk######################################################################### 675bdccc4feSwdenk######################################################################### 6767ebf7443Swdenk 677f3a14d37SMike Frysingerifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 678f3a14d37SMike FrysingerBOARD_SIZE_CHECK = \ 679f3a14d37SMike Frysinger @actual=`wc -c $@ | awk '{print $$1}'`; \ 680d060e6f4SJoe Hershberger limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 681f3a14d37SMike Frysinger if test $$actual -gt $$limit; then \ 682d060e6f4SJoe Hershberger echo "$@ exceeds file size limit:" >&2 ; \ 683d060e6f4SJoe Hershberger echo " limit: $$limit bytes" >&2 ; \ 684d060e6f4SJoe Hershberger echo " actual: $$actual bytes" >&2 ; \ 685d060e6f4SJoe Hershberger echo " excess: $$((actual - limit)) bytes" >&2; \ 686f3a14d37SMike Frysinger exit 1; \ 687f3a14d37SMike Frysinger fi 688f3a14d37SMike Frysingerelse 689f3a14d37SMike FrysingerBOARD_SIZE_CHECK = 690f3a14d37SMike Frysingerendif 691f3a14d37SMike Frysinger 6928137af19SScott Wood# Statically apply RELA-style relocations (currently arm64 only) 6938137af19SScott Woodifneq ($(CONFIG_STATIC_RELA),) 6948137af19SScott Wood# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 6958137af19SScott WoodDO_STATIC_RELA = \ 6968137af19SScott Wood start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 6978137af19SScott Wood end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 6989e414032SMasahiro Yamada tools/relocate-rela $(2) $(3) $$start $$end 6998137af19SScott Woodelse 7008137af19SScott WoodDO_STATIC_RELA = 7018137af19SScott Woodendif 7028137af19SScott Wood 7033e88337bSMike Frysinger# Always append ALL so that arch config.mk's can add custom ones 7049e414032SMasahiro YamadaALL-y += u-boot.srec u-boot.bin System.map 705e935a374SHaiying Wang 7069e414032SMasahiro YamadaALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 7079e414032SMasahiro YamadaALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 7089e414032SMasahiro YamadaALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 7099e414032SMasahiro YamadaALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 7109e414032SMasahiro YamadaALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 7119e414032SMasahiro YamadaALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 7129e414032SMasahiro YamadaALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 713b343bbb5SVadim Bendeburyifneq ($(CONFIG_SPL_TARGET),) 7149e414032SMasahiro YamadaALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 715b343bbb5SVadim Bendeburyendif 7169e414032SMasahiro YamadaALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 7177ebf7443Swdenk 71812b7b70cSAllen Martin# enable combined SPL/u-boot/dtb rules for tegra 7196d6c0baeSTom Warrenifneq ($(CONFIG_TEGRA),) 7207dcd3a21SVidya Sagarifeq ($(CONFIG_SPL),y) 72112b7b70cSAllen Martinifeq ($(CONFIG_OF_SEPARATE),y) 7229e414032SMasahiro YamadaALL-y += u-boot-dtb-tegra.bin 72312b7b70cSAllen Martinelse 7249e414032SMasahiro YamadaALL-y += u-boot-nodtb-tegra.bin 72512b7b70cSAllen Martinendif 72612b7b70cSAllen Martinendif 7277dcd3a21SVidya Sagarendif 72812b7b70cSAllen Martin 729433b2f1eSMasahiro YamadaLDFLAGS_u-boot += -T u-boot.lds $(LDFLAGS_FINAL) 730433b2f1eSMasahiro Yamadaifneq ($(CONFIG_SYS_TEXT_BASE),) 731433b2f1eSMasahiro YamadaLDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 732433b2f1eSMasahiro Yamadaendif 733433b2f1eSMasahiro Yamada 734656de6b8SMasahiro Yamadaall: $(ALL-y) 7357ebf7443Swdenk 7369e414032SMasahiro Yamadau-boot.dtb: checkdtc u-boot 7379e414032SMasahiro Yamada $(MAKE) $(build)=dts binary 7389e414032SMasahiro Yamada mv dts/dt.dtb $@ 7392c0f79e4SSimon Glass 7409e414032SMasahiro Yamadau-boot-dtb.bin: u-boot.bin u-boot.dtb 7412c0f79e4SSimon Glass cat $^ >$@ 7422c0f79e4SSimon Glass 7439e414032SMasahiro Yamadau-boot.hex: u-boot 7446310eb9dSwdenk $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 7456310eb9dSwdenk 7469e414032SMasahiro Yamadau-boot.srec: u-boot 74747ed5dd0SAlbert ARIBAUD $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 7487ebf7443Swdenk 7499e414032SMasahiro Yamadau-boot.bin: u-boot 7507ebf7443Swdenk $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 7518137af19SScott Wood $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 752f3a14d37SMike Frysinger $(BOARD_SIZE_CHECK) 7537ebf7443Swdenk 7549e414032SMasahiro Yamadau-boot.ldr: u-boot 75576d82187SMike Frysinger $(CREATE_LDR_ENV) 75668e56324SMike Frysinger $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 757f3a14d37SMike Frysinger $(BOARD_SIZE_CHECK) 75894a91e24SMike Frysinger 7599e414032SMasahiro Yamadau-boot.ldr.hex: u-boot.ldr 76094a91e24SMike Frysinger $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 76194a91e24SMike Frysinger 7629e414032SMasahiro Yamadau-boot.ldr.srec: u-boot.ldr 76394a91e24SMike Frysinger $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 76494a91e24SMike Frysinger 765b40bda6bSStefan Roese# 766b40bda6bSStefan Roese# U-Boot entry point, needed for booting of full-blown U-Boot 767b40bda6bSStefan Roese# from the SPL U-Boot version. 768b40bda6bSStefan Roese# 769b40bda6bSStefan Roeseifndef CONFIG_SYS_UBOOT_START 770b40bda6bSStefan RoeseCONFIG_SYS_UBOOT_START := 0 771b40bda6bSStefan Roeseendif 772b40bda6bSStefan Roese 7739e414032SMasahiro Yamadau-boot.img: u-boot.bin 7749e414032SMasahiro Yamada tools/mkimage -A $(ARCH) -T firmware -C none \ 775b40bda6bSStefan Roese -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 776b40bda6bSStefan Roese -e $(CONFIG_SYS_UBOOT_START) \ 777881a87ecSWolfgang Denk -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 778bdccc4feSwdenk sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 779bdccc4feSwdenk -d $< $@ 780bdccc4feSwdenk 781656de6b8SMasahiro Yamadau-boot.imx: u-boot.bin 7829e414032SMasahiro Yamada $(MAKE) $(build)=arch/arm/imx-common $(objtree)/u-boot.imx 7838edcde5eSStefano Babic 7849e414032SMasahiro Yamadau-boot.kwb: u-boot.bin 7859e414032SMasahiro Yamada tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 7862ea88b06SEric Cooper -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 787aa0c7a86SPrafulla Wadaskar 7889e414032SMasahiro Yamadau-boot.pbl: u-boot.bin 7899e414032SMasahiro Yamada tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 790690e4258SPrabhakar Kushwaha -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 7915d898a00SShaohui Xie -d $< $@ 7925d898a00SShaohui Xie 7939e414032SMasahiro Yamadau-boot.sha1: u-boot.bin 7949e414032SMasahiro Yamada tools/ubsha1 u-boot.bin 795566a494fSHeiko Schocher 7969e414032SMasahiro Yamadau-boot.dis: u-boot 7977ebf7443Swdenk $(OBJDUMP) -d $< > $@ 7987ebf7443Swdenk 7993aa29de0SYing Zhang# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 8003aa29de0SYing Zhang# $(4) is pad-to 8013aa29de0SYing ZhangSPL_PAD_APPEND = \ 8023aa29de0SYing Zhang $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 8039e414032SMasahiro Yamada $(1) $(3); \ 8049e414032SMasahiro Yamada cat $(3) $(2) > $@; \ 8059e414032SMasahiro Yamada rm $(3) 80674752baaSScott Wood 8073aa29de0SYing Zhangifdef CONFIG_TPL 8089e414032SMasahiro YamadaSPL_PAYLOAD := tpl/u-boot-with-tpl.bin 8093aa29de0SYing Zhangelse 8109e414032SMasahiro YamadaSPL_PAYLOAD := u-boot.bin 8113aa29de0SYing Zhangendif 81274752baaSScott Wood 8139e414032SMasahiro Yamadau-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) 8143aa29de0SYing Zhang $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 8153aa29de0SYing Zhang 8169e414032SMasahiro Yamadatpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin 8179e414032SMasahiro Yamada $(call SPL_PAD_APPEND,$<,u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 8187816f2cfSHeiko Schocher 8199e414032SMasahiro Yamadau-boot-with-spl.imx: spl/u-boot-spl.bin u-boot.bin 8209e414032SMasahiro Yamada $(MAKE) $(build)=arch/arm/imx-common \ 821ba597609SBenoît Thébaudeau $(OBJTREE)/u-boot-with-spl.imx 822ba597609SBenoît Thébaudeau 8239e414032SMasahiro Yamadau-boot-with-nand-spl.imx: spl/u-boot-spl.bin u-boot.bin 8249e414032SMasahiro Yamada $(MAKE) $(build)=arch/arm/imx-common \ 8257d5a5c79SBenoît Thébaudeau $(OBJTREE)/u-boot-with-nand-spl.imx 8267d5a5c79SBenoît Thébaudeau 8279e414032SMasahiro Yamadau-boot.ubl: u-boot-with-spl.bin 8289e414032SMasahiro Yamada tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 8299e414032SMasahiro Yamada -e $(CONFIG_SYS_TEXT_BASE) -d $< u-boot.ubl 830277f00f5SJosé Miguel Gonçalves 8319e414032SMasahiro Yamadau-boot.ais: spl/u-boot-spl.bin u-boot.img 8329e414032SMasahiro Yamada tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 8336d660e77SSughosh Ganu -T aisimage \ 834d36d8859SChristian Riesch -e $(CONFIG_SPL_TEXT_BASE) \ 8359e414032SMasahiro Yamada -d spl/u-boot-spl.bin \ 8369e414032SMasahiro Yamada spl/u-boot-spl.ais 837d36d8859SChristian Riesch $(OBJCOPY) ${OBJCFLAGS} -I binary \ 838d36d8859SChristian Riesch --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 8399e414032SMasahiro Yamada spl/u-boot-spl.ais spl/u-boot-spl-pad.ais 8409e414032SMasahiro Yamada cat spl/u-boot-spl-pad.ais u-boot.img > u-boot.ais 841d36d8859SChristian Riesch 842a5453555SOtavio Salvador 8439e414032SMasahiro Yamadau-boot.sb: u-boot.bin spl/u-boot-spl.bin 8449e414032SMasahiro Yamada $(MAKE) $(build)=$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 84530b9b932SMarek Vasut 84694aebe6cSStefan Roese# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 84794aebe6cSStefan Roese# Both images are created using mkimage (crc etc), so that the ROM 84894aebe6cSStefan Roese# bootloader can check its integrity. Padding needs to be done to the 84994aebe6cSStefan Roese# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 85094aebe6cSStefan Roese# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 85194aebe6cSStefan Roese# The resulting image containing both U-Boot images is called u-boot.spr 8529e414032SMasahiro Yamadau-boot.spr: u-boot.img spl/u-boot-spl.bin 8539e414032SMasahiro Yamada tools/mkimage -A $(ARCH) -T firmware -C none \ 85494aebe6cSStefan Roese -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 8559e414032SMasahiro Yamada -d spl/u-boot-spl.bin $@ 85657270260SMasahiro Yamada $(OBJCOPY) -I binary -O binary \ 85757270260SMasahiro Yamada --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 8589e414032SMasahiro Yamada cat u-boot.img >> $@ 85994aebe6cSStefan Roese 8606d6c0baeSTom Warrenifneq ($(CONFIG_TEGRA),) 8619e414032SMasahiro Yamadau-boot-nodtb-tegra.bin: spl/u-boot-spl.bin u-boot.bin 8629e414032SMasahiro Yamada $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary spl/u-boot-spl spl/u-boot-spl-pad.bin 8639e414032SMasahiro Yamada cat spl/u-boot-spl-pad.bin u-boot.bin > $@ 8649e414032SMasahiro Yamada rm spl/u-boot-spl-pad.bin 8659972db5cSStephen Warren 8669972db5cSStephen Warrenifeq ($(CONFIG_OF_SEPARATE),y) 8679e414032SMasahiro Yamadau-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin u-boot.dtb 8689e414032SMasahiro Yamada cat u-boot-nodtb-tegra.bin u-boot.dtb > $@ 8699972db5cSStephen Warrenendif 870984df4ecSAllen Martinendif 871984df4ecSAllen Martin 8729e414032SMasahiro Yamadau-boot-img.bin: spl/u-boot-spl.bin u-boot.img 8739e414032SMasahiro Yamada cat spl/u-boot-spl.bin u-boot.img > $@ 874fb3d2b8aSStefan Roese 875ecddccd0SStefan Roese# PPC4xx needs the SPL at the end of the image, since the reset vector 876ecddccd0SStefan Roese# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 877ecddccd0SStefan Roese# and need to introduce a new build target with the full blown U-Boot 878ecddccd0SStefan Roese# at the start padded up to the start of the SPL image. And then concat 879ecddccd0SStefan Roese# the SPL image to the end. 8809e414032SMasahiro Yamadau-boot-img-spl-at-end.bin: spl/u-boot-spl.bin u-boot.img 88157270260SMasahiro Yamada $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 8829e414032SMasahiro Yamada --gap-fill=0xff u-boot.img $@ 8839e414032SMasahiro Yamada cat spl/u-boot-spl.bin >> $@ 884ecddccd0SStefan Roese 885f4dc714aSScott Wood# Create a new ELF from a raw binary file. This is useful for arm64 886f4dc714aSScott Wood# where static relocation needs to be performed on the raw binary, 887f4dc714aSScott Wood# but certain simulators only accept an ELF file (but don't do the 888f4dc714aSScott Wood# relocation). 889f4dc714aSScott Wood# FIXME refactor dts/Makefile to share target/arch detection 8909e414032SMasahiro Yamadau-boot.elf: u-boot.bin 891f4dc714aSScott Wood @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 8929e414032SMasahiro Yamada $< u-boot-elf.o 8939e414032SMasahiro Yamada @$(LD) u-boot-elf.o -o $@ \ 894f4dc714aSScott Wood --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 895f4dc714aSScott Wood -Ttext=$(CONFIG_SYS_TEXT_BASE) 896f4dc714aSScott Wood 89786eb49b3SSimon Glassifeq ($(CONFIG_SANDBOX),y) 89886eb49b3SSimon GlassGEN_UBOOT = \ 8999e414032SMasahiro Yamada $(CC) $(SYMS) -T u-boot.lds \ 900656de6b8SMasahiro Yamada -Wl,--start-group $(u-boot-main) -Wl,--end-group \ 90186eb49b3SSimon Glass $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 90286eb49b3SSimon Glasselse 903ecb1dc89SMike FrysingerGEN_UBOOT = \ 9049e414032SMasahiro Yamada $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 905656de6b8SMasahiro Yamada $(u-boot-init) \ 906656de6b8SMasahiro Yamada --start-group $(u-boot-main) --end-group $(PLATFORM_LIBS) \ 907b2184c31Swdenk -Map u-boot.map -o u-boot 90886eb49b3SSimon Glassendif 90986eb49b3SSimon Glass 910656de6b8SMasahiro Yamadau-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 911ecb1dc89SMike Frysinger $(GEN_UBOOT) 912ecb1dc89SMike Frysingerifeq ($(CONFIG_KALLSYMS),y) 9139e414032SMasahiro Yamada smap=`$(call SYSTEM_MAP,u-boot) | \ 9141aada9cdSWolfgang Denk awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 9156825a95bSMasahiro Yamada $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 9169e414032SMasahiro Yamada -c $(srctree)/common/system_map.c -o common/system_map.o 9179e414032SMasahiro Yamada $(GEN_UBOOT) common/system_map.o 918ecb1dc89SMike Frysingerendif 9197ebf7443Swdenk 920656de6b8SMasahiro Yamada# The actual objects are generated when descending, 921656de6b8SMasahiro Yamada# make sure no implicit rule kicks in 922656de6b8SMasahiro Yamada$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 923f9328639SMarian Balakowicz 924656de6b8SMasahiro Yamada# Handle descending into subdirectories listed in $(vmlinux-dirs) 925656de6b8SMasahiro Yamada# Preset locale variables to speed up the build process. Limit locale 926656de6b8SMasahiro Yamada# tweaks to this spot to avoid wrong language settings when running 927656de6b8SMasahiro Yamada# make menuconfig etc. 928656de6b8SMasahiro Yamada# Error messages still appears in the original language 929a8c7c708Swdenk 930656de6b8SMasahiro YamadaPHONY += $(u-boot-dirs) 931656de6b8SMasahiro Yamada$(u-boot-dirs): depend scripts_basic 9326825a95bSMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 933940db16dSMasahiro Yamada 934656de6b8SMasahiro Yamadatools: $(TIMESTAMP_FILE) $(VERSION_FILE) 935656de6b8SMasahiro Yamada# The "tools" are needed early 936656de6b8SMasahiro Yamada$(filter-out tools, $(u-boot-dirs)): tools 937656de6b8SMasahiro Yamada# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 938656de6b8SMasahiro Yamada# is "yes"), so compile examples after U-Boot is compiled. 939656de6b8SMasahiro Yamadaexamples: $(filter-out examples, $(u-boot-dirs)) 940656de6b8SMasahiro Yamada 941349e83f0SChe-liang Chiou 942433b2f1eSMasahiro Yamada# 943433b2f1eSMasahiro Yamada# Auto-generate the autoconf.mk file (which is included by all makefiles) 944433b2f1eSMasahiro Yamada# 945433b2f1eSMasahiro Yamada# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 946433b2f1eSMasahiro Yamada# the dep file is only include in this top level makefile to determine when 947433b2f1eSMasahiro Yamada# to regenerate the autoconf.mk file. 948433b2f1eSMasahiro Yamada 949433b2f1eSMasahiro Yamadaquiet_cmd_autoconf_dep = GEN $@ 950433b2f1eSMasahiro Yamada cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 951433b2f1eSMasahiro Yamada -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 952433b2f1eSMasahiro Yamada 953433b2f1eSMasahiro Yamadainclude/autoconf.mk.dep: include/config.h include/common.h 954433b2f1eSMasahiro Yamada $(call cmd,autoconf_dep) 955433b2f1eSMasahiro Yamada 956433b2f1eSMasahiro Yamadaquiet_cmd_autoconf = GEN $@ 957433b2f1eSMasahiro Yamada cmd_autoconf = \ 958433b2f1eSMasahiro Yamada $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 959433b2f1eSMasahiro Yamada sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 960433b2f1eSMasahiro Yamada rm $@.tmp 961433b2f1eSMasahiro Yamada 962433b2f1eSMasahiro Yamadainclude/autoconf.mk: include/config.h 963433b2f1eSMasahiro Yamada $(call cmd,autoconf) 964433b2f1eSMasahiro Yamada 9659e414032SMasahiro Yamadau-boot.lds: $(LDSCRIPT) depend 9666825a95bSMasahiro Yamada $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 9671aada9cdSWolfgang Denk 9686825a95bSMasahiro Yamadanand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend scripts_basic 9699e414032SMasahiro Yamada $(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 970887e2ec9SStefan Roese 9719e414032SMasahiro Yamadau-boot-nand.bin: nand_spl u-boot.bin 9729e414032SMasahiro Yamada cat nand_spl/u-boot-spl-16k.bin u-boot.bin > u-boot-nand.bin 973887e2ec9SStefan Roese 974656de6b8SMasahiro Yamadaspl/u-boot-spl.bin: tools depend scripts_basic 9759e414032SMasahiro Yamada $(MAKE) obj=spl -f $(srctree)/spl/Makefile all 9765df2ee27SDaniel Schwierzeck 977656de6b8SMasahiro Yamadatpl/u-boot-tpl.bin: tools depend scripts_basic 9789e414032SMasahiro Yamada $(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 9793aa29de0SYing Zhang 9802a998793SDaniel Hobi# Explicitly make _depend in subdirs containing multiple targets to prevent 9812a998793SDaniel Hobi# parallel sub-makes creating .depend files simultaneously. 98216a354f9SWolfgang Denkdepend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 9839e414032SMasahiro Yamada include/generated/generic-asm-offsets.h \ 9849e414032SMasahiro Yamada include/generated/asm-offsets.h 9857ebf7443Swdenk 986656de6b8SMasahiro YamadaTAG_SUBDIRS := $(u-boot-dirs) include 987a340c325SJean-Christophe PLAGNIOL-VILLARD 988857d9ea6SHorst KronstorferFIND := find 989857d9ea6SHorst KronstorferFINDFLAGS := -L 990857d9ea6SHorst Kronstorfer 99147f15711SMasahiro YamadaPHONY += checkstack 99247f15711SMasahiro Yamada 9931064d980STom Rinicheckstack: 99447f15711SMasahiro Yamada $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 99547f15711SMasahiro Yamada $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 9961064d980STom Rini 997f9328639SMarian Balakowicztags ctags: 9989e414032SMasahiro Yamada ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 999e5e4e705SLi Yang -name '*.[chS]' -print` 10007ebf7443Swdenk 10017ebf7443Swdenketags: 1002857d9ea6SHorst Kronstorfer etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1003e5e4e705SLi Yang -name '*.[chS]' -print` 1004ffda586fSLi Yangcscope: 1005857d9ea6SHorst Kronstorfer $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1006857d9ea6SHorst Kronstorfer cscope.files 1007ffda586fSLi Yang cscope -b -q -k 10087ebf7443Swdenk 1009ecb1dc89SMike FrysingerSYSTEM_MAP = \ 1010ecb1dc89SMike Frysinger $(NM) $1 | \ 10117ebf7443Swdenk grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1012ecb1dc89SMike Frysinger LC_ALL=C sort 10139e414032SMasahiro YamadaSystem.map: u-boot 1014bc8bb6ecSMasahiro Yamada @$(call SYSTEM_MAP,$<) > $@ 10157ebf7443Swdenk 101606a119a0STom Rinicheckthumb: 101706a119a0STom Rini @if test $(call cc-version) -lt 0404; then \ 101806a119a0STom Rini echo -n '*** Your GCC does not produce working '; \ 101906a119a0STom Rini echo 'binaries in THUMB mode.'; \ 102006a119a0STom Rini echo '*** Your board is configured for THUMB mode.'; \ 102106a119a0STom Rini false; \ 102206a119a0STom Rini fi 10236ec63f41SScott Wood 10246ec63f41SScott Wood# GCC 3.x is reported to have problems generating the type of relocation 10256ec63f41SScott Wood# that U-Boot wants. 10266ec63f41SScott Wood# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 10276ec63f41SScott Woodcheckgcc4: 10286ec63f41SScott Wood @if test $(call cc-version) -lt 0400; then \ 10296ec63f41SScott Wood echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 10306ec63f41SScott Wood false; \ 10316ec63f41SScott Wood fi 10326ec63f41SScott Wood 1033501ebdf2SStephen Warrencheckdtc: 1034501ebdf2SStephen Warren @if test $(call dtc-version) -lt 0104; then \ 1035501ebdf2SStephen Warren echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1036501ebdf2SStephen Warren false; \ 1037501ebdf2SStephen Warren fi 1038501ebdf2SStephen Warren 103947f15711SMasahiro Yamadaquiet_cmd_offsets = GEN $@ 104047f15711SMasahiro Yamada cmd_offsets = $(srctree)/tools/scripts/make-asm-offsets $< $@ 104147f15711SMasahiro Yamada 104247f15711SMasahiro Yamadainclude/generated/generic-asm-offsets.h: lib/asm-offsets.s 104347f15711SMasahiro Yamada $(call cmd,offsets) 104447f15711SMasahiro Yamada 104547f15711SMasahiro Yamadaquiet_cmd_asm-offsets.s = CC $@ 104647f15711SMasahiro Yamada cmd_asm-offsets.s = mkdir -p lib; \ 104716a354f9SWolfgang Denk $(CC) -DDO_DEPS_ONLY \ 10486825a95bSMasahiro Yamada $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 104947f15711SMasahiro Yamada -o $@ $< -c -S 105047f15711SMasahiro Yamada 105147f15711SMasahiro Yamadalib/asm-offsets.s: $(srctree)/lib/asm-offsets.c include/config.h 105247f15711SMasahiro Yamada $(call cmd,asm-offsets.s) 105316a354f9SWolfgang Denk 10549e414032SMasahiro Yamadainclude/generated/asm-offsets.h: $(CPUDIR)/$(SOC)/asm-offsets.s 105547f15711SMasahiro Yamada $(call cmd,offsets) 1056a4814a69SStefano Babic 105747f15711SMasahiro Yamadaquiet_cmd_soc_asm-offsets.s = CC $@ 105847f15711SMasahiro Yamada cmd_soc_asm-offsets.s = mkdir -p $(CPUDIR)/$(SOC); \ 10599e414032SMasahiro Yamada if [ -f $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 1060a4814a69SStefano Babic $(CC) -DDO_DEPS_ONLY \ 10616825a95bSMasahiro Yamada $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 10629e414032SMasahiro Yamada -o $@ $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 1063a4814a69SStefano Babic else \ 1064a4814a69SStefano Babic touch $@; \ 1065a4814a69SStefano Babic fi 1066a4814a69SStefano Babic 106747f15711SMasahiro Yamada$(CPUDIR)/$(SOC)/asm-offsets.s: include/config.h 106847f15711SMasahiro Yamada $(call cmd,soc_asm-offsets.s) 106947f15711SMasahiro Yamada 10707ebf7443Swdenk######################################################################### 10717ebf7443Swdenk 107254799e45SScott Wood# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 107354799e45SScott Wood# R_AARCH64_RELATIVE (64-bit). 10749e414032SMasahiro Yamadacheckarmreloc: u-boot 107554799e45SScott Wood @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 107654799e45SScott Wood grep R_A | sort -u`"; \ 107754799e45SScott Wood if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 107854799e45SScott Wood "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 107954799e45SScott Wood echo "$< contains unexpected relocations: $$RELOC"; \ 108054799e45SScott Wood false; \ 108154799e45SScott Wood fi 1082c37980c3SAlbert ARIBAUD 108328abd48fSIlya Yanok$(VERSION_FILE): 108414ce91b1SMike Frysinger @mkdir -p $(dir $(VERSION_FILE)) 1085dd88ab32SMasahiro Yamada @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 108628abd48fSIlya Yanok printf '#define PLAIN_VERSION "%s%s"\n' \ 108728abd48fSIlya Yanok "$(U_BOOT_VERSION)" "$${localvers}" ; \ 108828abd48fSIlya Yanok printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 108928abd48fSIlya Yanok "$(U_BOOT_VERSION)" "$${localvers}" ; \ 109028abd48fSIlya Yanok ) > $@.tmp 109128abd48fSIlya Yanok @( printf '#define CC_VERSION_STRING "%s"\n' \ 109228abd48fSIlya Yanok '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 109328abd48fSIlya Yanok @( printf '#define LD_VERSION_STRING "%s"\n' \ 109428abd48fSIlya Yanok '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 109528abd48fSIlya Yanok @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 109628abd48fSIlya Yanok 1097249b53a6SLoïc Minier$(TIMESTAMP_FILE): 1098249b53a6SLoïc Minier @mkdir -p $(dir $(TIMESTAMP_FILE)) 1099a76406fbSLoïc Minier @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 1100a76406fbSLoïc Minier @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 1101a76406fbSLoïc Minier @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 1102249b53a6SLoïc Minier 11032887c473SMasahiro Yamadaenv: depend scripts_basic 11043f76e984SMasahiro Yamada $(Q)$(MAKE) $(build)=tools/$@ 1105940db16dSMasahiro Yamada 110630ff8918SMarek Vasutxmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 11076825a95bSMasahiro Yamada $(Q)$(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) $(build)=doc/DocBook $@ 110830ff8918SMarek Vasut 11092887c473SMasahiro Yamadatools-all: HOST_TOOLS_ALL=y 11102887c473SMasahiro Yamadatools-all: env tools ; 11110358df42SMike Frysinger 11124e53a258SWolfgang Denk.PHONY : CHANGELOG 11134e53a258SWolfgang DenkCHANGELOG: 1114b985b5d6SBen Warren git log --no-merges U-Boot-1_1_5.. | \ 1115b985b5d6SBen Warren unexpand -a | sed -e 's/\s\s*$$//' > $@ 11164e53a258SWolfgang Denk 11170a823aa2SHarald Welteinclude/license.h: tools/bin2header COPYING 11180a823aa2SHarald Welte cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 11197ebf7443Swdenk######################################################################### 11207ebf7443Swdenk 1121efcf8619SMasahiro Yamada### 1122efcf8619SMasahiro Yamada# Cleaning is done on three levels. 1123efcf8619SMasahiro Yamada# make clean Delete most generated files 1124efcf8619SMasahiro Yamada# Leave enough to build external modules 1125efcf8619SMasahiro Yamada# make mrproper Delete the current configuration, and all generated files 1126efcf8619SMasahiro Yamada# make distclean Remove editor backup files, patch leftover files and the like 1127a6862bc1SWolfgang Denk 1128efcf8619SMasahiro Yamada# Directories & files removed with 'make clean' 1129efcf8619SMasahiro YamadaCLEAN_DIRS += $(MODVERDIR) 1130efcf8619SMasahiro YamadaCLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1131efcf8619SMasahiro Yamada board/*/config.tmp board/*/*/config.tmp dts/*.tmp \ 1132efcf8619SMasahiro Yamada include/autoconf.mk* include/spl-autoconf.mk \ 1133433b2f1eSMasahiro Yamada include/tpl-autoconf.mk 1134433b2f1eSMasahiro Yamada 1135efcf8619SMasahiro Yamada# Directories & files removed with 'make clobber' 1136efcf8619SMasahiro YamadaCLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1137efcf8619SMasahiro Yamada $(shell ls -1 spl 2>/dev/null))) \ 1138efcf8619SMasahiro Yamada tpl 1139efcf8619SMasahiro YamadaCLOBBER_FILES += u-boot* MLO MLO* SPL System.map nand_spl/u-boot* 1140efcf8619SMasahiro Yamada 1141efcf8619SMasahiro Yamada# Directories & files removed with 'make mrproper' 1142efcf8619SMasahiro YamadaMRPROPER_DIRS += include/config include/generated 1143efcf8619SMasahiro YamadaMRPROPER_FILES += .config .config.old \ 1144efcf8619SMasahiro Yamada tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1145efcf8619SMasahiro Yamada include/config.h include/config.mk 1146efcf8619SMasahiro Yamada 1147efcf8619SMasahiro Yamada# clean - Delete most, but leave enough to build external modules 1148efcf8619SMasahiro Yamada# 1149efcf8619SMasahiro Yamadaclean: rm-dirs := $(CLEAN_DIRS) 1150efcf8619SMasahiro Yamadaclean: rm-files := $(CLEAN_FILES) 1151efcf8619SMasahiro Yamada 1152efcf8619SMasahiro Yamadaclean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1153efcf8619SMasahiro Yamada 1154efcf8619SMasahiro Yamadaclean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1155efcf8619SMasahiro Yamada 1156efcf8619SMasahiro YamadaPHONY += $(clean-dirs) clean archclean 1157efcf8619SMasahiro Yamada$(clean-dirs): 1158efcf8619SMasahiro Yamada $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1159efcf8619SMasahiro Yamada 1160efcf8619SMasahiro Yamada# TODO: Do not use *.cfgtmp 1161efcf8619SMasahiro Yamadaclean: $(clean-dirs) 1162efcf8619SMasahiro Yamada $(call cmd,rmdirs) 1163efcf8619SMasahiro Yamada $(call cmd,rmfiles) 1164efcf8619SMasahiro Yamada @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1165efcf8619SMasahiro Yamada \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1166efcf8619SMasahiro Yamada -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1167efcf8619SMasahiro Yamada -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1168efcf8619SMasahiro Yamada -o -name '*.symtypes' -o -name 'modules.order' \ 1169efcf8619SMasahiro Yamada -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1170efcf8619SMasahiro Yamada -o -name '*.gcno' \) -type f -print | xargs rm -f 1171efcf8619SMasahiro Yamada @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1172efcf8619SMasahiro Yamada -path './nand_spl/*' -type l -print | xargs rm -f 1173efcf8619SMasahiro Yamada 1174efcf8619SMasahiro Yamada# clobber 1175efcf8619SMasahiro Yamada# 1176efcf8619SMasahiro Yamadaclobber: rm-dirs := $(CLOBBER_DIRS) 1177efcf8619SMasahiro Yamadaclobber: rm-files := $(CLOBBER_FILES) 1178efcf8619SMasahiro Yamada 1179efcf8619SMasahiro YamadaPHONY += clobber 1180efcf8619SMasahiro Yamada 1181efcf8619SMasahiro Yamadaclobber: clean 1182efcf8619SMasahiro Yamada $(call cmd,rmdirs) 1183efcf8619SMasahiro Yamada $(call cmd,rmfiles) 1184efcf8619SMasahiro Yamada 1185efcf8619SMasahiro Yamada# mrproper - Delete all generated files, including .config 1186efcf8619SMasahiro Yamada# 1187efcf8619SMasahiro Yamadamrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1188efcf8619SMasahiro Yamadamrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1189efcf8619SMasahiro Yamadamrproper-dirs := $(addprefix _mrproper_,scripts) 1190efcf8619SMasahiro Yamada 1191efcf8619SMasahiro YamadaPHONY += $(mrproper-dirs) mrproper archmrproper 1192efcf8619SMasahiro Yamada$(mrproper-dirs): 1193efcf8619SMasahiro Yamada $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1194efcf8619SMasahiro Yamada 1195efcf8619SMasahiro Yamadamrproper: clobber $(mrproper-dirs) 1196efcf8619SMasahiro Yamada $(call cmd,rmdirs) 1197efcf8619SMasahiro Yamada $(call cmd,rmfiles) 1198efcf8619SMasahiro Yamada @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1199efcf8619SMasahiro Yamada 1200efcf8619SMasahiro Yamada# distclean 1201efcf8619SMasahiro Yamada# 1202efcf8619SMasahiro YamadaPHONY += distclean 1203efcf8619SMasahiro Yamada 1204433b2f1eSMasahiro Yamadadistclean: mrproper 1205efcf8619SMasahiro Yamada @find $(srctree) $(RCS_FIND_IGNORE) \ 1206efcf8619SMasahiro Yamada \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1207efcf8619SMasahiro Yamada -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1208efcf8619SMasahiro Yamada -o -name '.*.rej' \ 1209efcf8619SMasahiro Yamada -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1210efcf8619SMasahiro Yamada -type f -print | xargs rm -f 12117ebf7443Swdenk 12127ebf7443Swdenkbackup: 12137ebf7443Swdenk F=`basename $(TOPDIR)` ; cd .. ; \ 1214d6b93714SIlya Yanok gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 12157ebf7443Swdenk 12167ebf7443Swdenk######################################################################### 12179e414032SMasahiro Yamada 1218433b2f1eSMasahiro Yamadaendif #ifeq ($(config-targets),1) 1219433b2f1eSMasahiro Yamadaendif #ifeq ($(mixed-targets),1) 1220433b2f1eSMasahiro Yamada 1221efcf8619SMasahiro Yamadaquiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1222efcf8619SMasahiro Yamada cmd_rmdirs = rm -rf $(rm-dirs) 1223efcf8619SMasahiro Yamada 1224efcf8619SMasahiro Yamadaquiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1225efcf8619SMasahiro Yamada cmd_rmfiles = rm -f $(rm-files) 1226efcf8619SMasahiro Yamada 1227efcf8619SMasahiro Yamada# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1228efcf8619SMasahiro Yamada# Usage: 1229efcf8619SMasahiro Yamada# $(Q)$(MAKE) $(clean)=dir 1230efcf8619SMasahiro Yamadaclean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1231efcf8619SMasahiro Yamada 12329e414032SMasahiro Yamadaendif # skip-makefile 12339e414032SMasahiro Yamada 12349e414032SMasahiro YamadaPHONY += FORCE 12359e414032SMasahiro YamadaFORCE: 12369e414032SMasahiro Yamada 12379e414032SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 12389e414032SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 12399e414032SMasahiro Yamada.PHONY: $(PHONY) 1240