114cf11afSPaul Mackerras# This file is included by the global makefile so that you can add your own 214cf11afSPaul Mackerras# architecture-specific flags and dependencies. Remember to do have actions 314cf11afSPaul Mackerras# for "archclean" and "archdep" for cleaning up and making dependencies for 414cf11afSPaul Mackerras# this architecture. 514cf11afSPaul Mackerras# 614cf11afSPaul Mackerras# This file is subject to the terms and conditions of the GNU General Public 714cf11afSPaul Mackerras# License. See the file "COPYING" in the main directory of this archive 814cf11afSPaul Mackerras# for more details. 914cf11afSPaul Mackerras# 1014cf11afSPaul Mackerras# Copyright (C) 1994 by Linus Torvalds 1114cf11afSPaul Mackerras# Changes for PPC by Gary Thomas 1214cf11afSPaul Mackerras# Rewritten by Cort Dougan and Paul Mackerras 1314cf11afSPaul Mackerras# 1414cf11afSPaul Mackerras 1514cf11afSPaul MackerrasHAS_BIARCH := $(call cc-option-yn, -m32) 1614cf11afSPaul Mackerras 1714cf11afSPaul Mackerras# Set default 32 bits cross compilers for vdso and boot wrapper 1814cf11afSPaul MackerrasCROSS32_COMPILE ?= 1914cf11afSPaul Mackerras 2014cf11afSPaul Mackerrasifeq ($(HAS_BIARCH),y) 2114cf11afSPaul Mackerrasifeq ($(CROSS32_COMPILE),) 224bf4f42aSNicholas Pigginifdef CONFIG_PPC32 234bf4f42aSNicholas Piggin# These options will be overridden by any -mcpu option that the CPU 244bf4f42aSNicholas Piggin# or platform code sets later on the command line, but they are needed 254bf4f42aSNicholas Piggin# to set a sane 32-bit cpu target for the 64-bit cross compiler which 264bf4f42aSNicholas Piggin# may default to the wrong ISA. 274bf4f42aSNicholas PigginKBUILD_CFLAGS += -mcpu=powerpc 284bf4f42aSNicholas PigginKBUILD_AFLAGS += -mcpu=powerpc 294bf4f42aSNicholas Pigginendif 3014cf11afSPaul Mackerrasendif 3114cf11afSPaul Mackerrasendif 3214cf11afSPaul Mackerras 33ebd1d3b7SMathieu Malaterreifdef CONFIG_PPC_BOOK3S_32 34ebd1d3b7SMathieu MalaterreKBUILD_CFLAGS += -mcpu=powerpc 35ebd1d3b7SMathieu Malaterreendif 36ebd1d3b7SMathieu Malaterre 37af5cd05dSMichael Ellerman# If we're on a ppc/ppc64/ppc64le machine use that defconfig, otherwise just use 38af5cd05dSMichael Ellerman# ppc64_defconfig because we have nothing better to go on. 39af5cd05dSMichael Ellermanuname := $(shell uname -m) 40af5cd05dSMichael EllermanKBUILD_DEFCONFIG := $(if $(filter ppc%,$(uname)),$(uname),ppc64)_defconfig 418a5abdf8SPaul Mackerras 4214cf11afSPaul Mackerrasnew_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) 4314cf11afSPaul Mackerras 4414cf11afSPaul Mackerrasifeq ($(new_nm),y) 4514cf11afSPaul MackerrasNM := $(NM) --synthetic 4614cf11afSPaul Mackerrasendif 4714cf11afSPaul Mackerras 4868201fbbSMichael Ellerman# BITS is used as extension for files which are available in a 32 bit 4968201fbbSMichael Ellerman# and a 64 bit version to simplify shared Makefiles. 5068201fbbSMichael Ellerman# e.g.: obj-y += foo_$(BITS).o 5168201fbbSMichael Ellermanexport BITS 5268201fbbSMichael Ellerman 5368201fbbSMichael Ellermanifdef CONFIG_PPC64 5468201fbbSMichael Ellerman BITS := 64 5568201fbbSMichael Ellermanelse 5668201fbbSMichael Ellerman BITS := 32 5714cf11afSPaul Mackerrasendif 5814cf11afSPaul Mackerras 5957073e27SMichael Ellermanmachine-y = ppc 6057073e27SMichael Ellermanmachine-$(CONFIG_PPC64) += 64 6157073e27SMichael Ellermanmachine-$(CONFIG_CPU_LITTLE_ENDIAN) += le 6257073e27SMichael EllermanUTS_MACHINE := $(subst $(space),,$(machine-y)) 63190554dbSStephen Rothwell 64b40b2386SMichael Ellerman# XXX This needs to be before we override LD below 65b40b2386SMichael Ellermanifdef CONFIG_PPC32 66b40b2386SMichael EllermanKBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o 67b40b2386SMichael Ellermanelse 68052c805aSMasahiro Yamadaifeq ($(call ld-ifversion, -ge, 22500, y),y) 69b40b2386SMichael Ellerman# Have the linker provide sfpr if possible. 70b40b2386SMichael Ellerman# There is a corresponding test in arch/powerpc/lib/Makefile 71b40b2386SMichael EllermanKBUILD_LDFLAGS_MODULE += --save-restore-funcs 72b40b2386SMichael Ellermanelse 73b40b2386SMichael EllermanKBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o 74b40b2386SMichael Ellermanendif 75b40b2386SMichael Ellermanendif 76b40b2386SMichael Ellerman 77badf436fSRodrigo R. Galvaoifdef CONFIG_CPU_LITTLE_ENDIAN 781421dc6dSNicholas PigginKBUILD_CFLAGS += -mlittle-endian 79d503ac53SMasahiro YamadaKBUILD_LDFLAGS += -EL 80d72b0801SIan MunsieLDEMULATION := lppc 81d72b0801SIan MunsieGNUTARGET := powerpcle 82d72b0801SIan MunsieMULTIPLEWORD := -mno-multiple 83d3d35d95STony BreedsKBUILD_CFLAGS_MODULE += $(call cc-option,-mno-save-toc-indirect) 84d72b0801SIan Munsieelse 851421dc6dSNicholas PigginKBUILD_CFLAGS += $(call cc-option,-mbig-endian) 86d503ac53SMasahiro YamadaKBUILD_LDFLAGS += -EB 87d72b0801SIan MunsieLDEMULATION := ppc 88d72b0801SIan MunsieGNUTARGET := powerpc 89d72b0801SIan MunsieMULTIPLEWORD := -mmultiple 90d72b0801SIan Munsieendif 91d72b0801SIan Munsie 924dc831aaSNicholas Pigginifdef CONFIG_PPC64 93465bfd9cSNathan Chancellorifndef CONFIG_CC_IS_CLANG 944dc831aaSNicholas Piggincflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) 954dc831aaSNicholas Piggincflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mcall-aixdesc) 964dc831aaSNicholas Pigginaflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) 974dc831aaSNicholas Pigginaflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mabi=elfv2 984dc831aaSNicholas Pigginendif 99465bfd9cSNathan Chancellorendif 1004dc831aaSNicholas Piggin 101076f421dSMasahiro Yamadaifndef CONFIG_CC_IS_CLANG 102164af597SMichael Ellerman cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mno-strict-align 103164af597SMichael Ellermanendif 104164af597SMichael Ellerman 1051421dc6dSNicholas Piggincflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) 1061421dc6dSNicholas Piggincflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian 107164af597SMichael Ellermanaflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) 108164af597SMichael Ellermanaflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian 109164af597SMichael Ellerman 11014cf11afSPaul Mackerrasifeq ($(HAS_BIARCH),y) 1111421dc6dSNicholas PigginKBUILD_CFLAGS += -m$(BITS) 1121421dc6dSNicholas PigginKBUILD_AFLAGS += -m$(BITS) -Wl,-a$(BITS) 113d503ac53SMasahiro YamadaKBUILD_LDFLAGS += -m elf$(BITS)$(LDEMULATION) 11414cf11afSPaul Mackerrasendif 11514cf11afSPaul Mackerras 116c3ff2a51SChristophe Leroycflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard=tls 11706ec27aeSChristophe Leroyifdef CONFIG_PPC64 11806ec27aeSChristophe Leroycflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r13 11906ec27aeSChristophe Leroyelse 120c3ff2a51SChristophe Leroycflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r2 12106ec27aeSChristophe Leroyendif 122c3ff2a51SChristophe Leroy 1239c5f7d39SSuzuki PouloseLDFLAGS_vmlinux-y := -Bstatic 1249c5f7d39SSuzuki PouloseLDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie 125*03557853SFangrui SongLDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) += -z notext 1269c5f7d39SSuzuki PouloseLDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) 12714cf11afSPaul Mackerras 128badf436fSRodrigo R. Galvaoifdef CONFIG_PPC64 1291fbe9cf2SAnton Blanchardifeq ($(call cc-option-yn,-mcmodel=medium),y) 1301fbe9cf2SAnton Blanchard # -mcmodel=medium breaks modules because it uses 32bit offsets from 1311fbe9cf2SAnton Blanchard # the TOC pointer to create pointers where possible. Pointers into the 1321fbe9cf2SAnton Blanchard # percpu data area are created by this method. 1331fbe9cf2SAnton Blanchard # 1341fbe9cf2SAnton Blanchard # The kernel module loader relocates the percpu data section from the 1351fbe9cf2SAnton Blanchard # original location (starting with 0xd...) to somewhere in the base 1361fbe9cf2SAnton Blanchard # kernel percpu data space (starting with 0xc...). We need a full 1371fbe9cf2SAnton Blanchard # 64bit relocation for this to work, hence -mcmodel=large. 1381fbe9cf2SAnton Blanchard KBUILD_CFLAGS_MODULE += -mcmodel=large 1391fbe9cf2SAnton Blanchardelse 1401fbe9cf2SAnton Blanchard export NO_MINIMAL_TOC := -mno-minimal-toc 1411fbe9cf2SAnton Blanchardendif 1421fbe9cf2SAnton Blanchardendif 1431fbe9cf2SAnton Blanchard 144a50a862eSAnton BlanchardCFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no) 145465bfd9cSNathan Chancellorifndef CONFIG_CC_IS_CLANG 146badf436fSRodrigo R. Galvaoifdef CONFIG_CPU_LITTLE_ENDIAN 147238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) 148721aeaa9SAnton BlanchardAFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2) 149721aeaa9SAnton Blanchardelse 1504dc831aaSNicholas PigginCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) 151238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc) 1524dc831aaSNicholas PigginAFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) 153721aeaa9SAnton Blanchardendif 154465bfd9cSNathan Chancellorendif 155238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc)) 15698679fb0SAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions) 15751d42f0fSSegher Boessenkool 15872e7bcc2SJoel Stanley# Clang unconditionally reserves r2 on ppc32 and does not support the flag 15972e7bcc2SJoel Stanley# https://bugs.llvm.org/show_bug.cgi?id=39555 16072e7bcc2SJoel StanleyCFLAGS-$(CONFIG_PPC32) := $(call cc-option, -ffixed-r2) 16172e7bcc2SJoel Stanley 16272e7bcc2SJoel Stanley# Clang doesn't support -mmultiple / -mno-multiple 16372e7bcc2SJoel Stanley# https://bugs.llvm.org/show_bug.cgi?id=39556 16472e7bcc2SJoel StanleyCFLAGS-$(CONFIG_PPC32) += $(call cc-option, $(MULTIPLEWORD)) 16572e7bcc2SJoel Stanley 16651d42f0fSSegher BoessenkoolCFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata) 167d23c6fb4SAnton Blanchard 168badf436fSRodrigo R. Galvaoifdef CONFIG_PPC_BOOK3S_64 169badf436fSRodrigo R. Galvaoifdef CONFIG_CPU_LITTLE_ENDIAN 170a73657eaSNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8 1714b7e5532SNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power9,-mtune=power8) 172a73657eaSNicholas Pigginelse 173471d7ff8SNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,$(call cc-option,-mtune=power5)) 174471d7ff8SNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mcpu=power5,-mcpu=power4) 175a73657eaSNicholas Pigginendif 17601718ba6SScott Woodelse 17701718ba6SScott WoodCFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 17801718ba6SScott Woodendif 17901718ba6SScott Wood 1802a056f58SNicholas Pigginifdef CONFIG_FUNCTION_TRACER 1812a056f58SNicholas PigginCC_FLAGS_FTRACE := -pg 1828c50b72aSTorsten Duweifdef CONFIG_MPROFILE_KERNEL 1832a056f58SNicholas PigginCC_FLAGS_FTRACE += -mprofile-kernel 1842a056f58SNicholas Pigginendif 1858c50b72aSTorsten Duweendif 1868c50b72aSTorsten Duwe 187cc62d20cSChristophe LeroyCFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU)) 188d23c6fb4SAnton Blanchard 189cbf8a358STiejun Chen# Altivec option not allowed with e500mc64 in GCC. 190badf436fSRodrigo R. Galvaoifdef CONFIG_ALTIVEC 191cbf8a358STiejun ChenE5500_CPU := -mcpu=powerpc64 192cbf8a358STiejun Chenelse 19301718ba6SScott WoodE5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64) 194cbf8a358STiejun Chenendif 19501718ba6SScott WoodCFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU) 19601718ba6SScott WoodCFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU)) 19701718ba6SScott Wood 198badf436fSRodrigo R. Galvaoifdef CONFIG_PPC32 199badf436fSRodrigo R. Galvaoifdef CONFIG_PPC_E500MC 200847f56b0SScott WoodCFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc) 201847f56b0SScott Woodelse 202847f56b0SScott WoodCFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc) 203847f56b0SScott Woodendif 204847f56b0SScott Woodendif 205847f56b0SScott Wood 2067998eb3dSGuenter Roeckasinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) 2077998eb3dSGuenter Roeck 2089cc342f6SMasahiro YamadaKBUILD_CPPFLAGS += -I $(srctree)/arch/$(ARCH) $(asinstr) 209b00899b8SMasahiro YamadaKBUILD_AFLAGS += $(AFLAGS-y) 210a50a862eSAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-msoft-float) 211b00899b8SMasahiro YamadaKBUILD_CFLAGS += -pipe $(CFLAGS-y) 212a0f97e06SSam RavnborgCPP = $(CC) -E $(KBUILD_CFLAGS) 21314cf11afSPaul Mackerras 21468201fbbSMichael EllermanCHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__ 21562c2c5cfSDaniel Axtensifdef CONFIG_CPU_BIG_ENDIAN 21662c2c5cfSDaniel AxtensCHECKFLAGS += -D__BIG_ENDIAN__ 21762c2c5cfSDaniel Axtenselse 21862c2c5cfSDaniel AxtensCHECKFLAGS += -D__LITTLE_ENDIAN__ 21962c2c5cfSDaniel Axtensendif 22014cf11afSPaul Mackerras 221badf436fSRodrigo R. Galvaoifdef CONFIG_476FPE_ERR46 222d5b35cffSAlistair Popple KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ 223d5b35cffSAlistair Popple -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds 224d5b35cffSAlistair Poppleendif 225d5b35cffSAlistair Popple 226d23c6fb4SAnton Blanchard# No AltiVec or VSX instructions when building kernel 227a0f97e06SSam RavnborgKBUILD_CFLAGS += $(call cc-option,-mno-altivec) 228d23c6fb4SAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-mno-vsx) 229d3f67fbbSPaul Mackerras 2300197cd2eSKumar Gala# No SPE instruction when building kernel 231ce400c01SThiemo Seufer# (We use all available options to help semi-broken compilers) 2320197cd2eSKumar GalaKBUILD_CFLAGS += $(call cc-option,-mno-spe) 233ce400c01SThiemo SeuferKBUILD_CFLAGS += $(call cc-option,-mspe=no) 2340197cd2eSKumar Gala 235ba96301cSNaveen N. Rao# Don't emit .eh_frame since we have no use for it 236ba96301cSNaveen N. RaoKBUILD_CFLAGS += -fno-asynchronous-unwind-tables 237ba96301cSNaveen N. Rao 23857647a4dSBenjamin Herrenschmidt# Never use string load/store instructions as they are 23957647a4dSBenjamin Herrenschmidt# often slow when they are implemented at all 240a50a862eSAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-mno-string) 24114cf11afSPaul Mackerras 242548ad77dSImre Kalozcpu-as-$(CONFIG_40x) += -Wa,-m405 243548ad77dSImre Kalozcpu-as-$(CONFIG_44x) += -Wa,-m440 2449ddf0075SAnton Blanchardcpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) 2454e4a4b75SJames Clarkecpu-as-$(CONFIG_E500) += -Wa,-me500 246960e3002SJoel Stanley 247960e3002SJoel Stanley# When using '-many -mpower4' gas will first try and find a matching power4 248960e3002SJoel Stanley# mnemonic and failing that it will allow any valid mnemonic that GAS knows 249960e3002SJoel Stanley# about. GCC will pass -many to GAS when assembling, clang does not. 250960e3002SJoel Stanleycpu-as-$(CONFIG_PPC_BOOK3S_64) += -Wa,-mpower4 -Wa,-many 25169a84059SMichael Jeansoncpu-as-$(CONFIG_PPC_E500MC) += $(call as-option,-Wa$(comma)-me500mc) 25214cf11afSPaul Mackerras 253222d394dSSam RavnborgKBUILD_AFLAGS += $(cpu-as-y) 254a0f97e06SSam RavnborgKBUILD_CFLAGS += $(cpu-as-y) 25514cf11afSPaul Mackerras 256164af597SMichael EllermanKBUILD_AFLAGS += $(aflags-y) 257164af597SMichael EllermanKBUILD_CFLAGS += $(cflags-y) 258164af597SMichael Ellerman 259533090e5SChristophe Leroyhead-$(CONFIG_PPC64) := arch/powerpc/kernel/head_64.o 260533090e5SChristophe Leroyhead-$(CONFIG_PPC_BOOK3S_32) := arch/powerpc/kernel/head_book3s_32.o 261968159c0SChristophe Leroyhead-$(CONFIG_PPC_8xx) := arch/powerpc/kernel/head_8xx.o 26215f6527eSJosh Boyerhead-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o 26314cf11afSPaul Mackerrashead-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o 26414cf11afSPaul Mackerrashead-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o 26514cf11afSPaul Mackerras 2669994a338SPaul Mackerrashead-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o 26714cf11afSPaul Mackerrashead-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o 268e821ea70SBenjamin Herrenschmidthead-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o 2695ac47f7aSAnton Blanchardhead-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += arch/powerpc/kernel/prom_init.o 27014cf11afSPaul Mackerras 271135f0b17STom Rini# Default to zImage, override when needed 27225431333SGrant Likelyall: zImage 27314cf11afSPaul Mackerras 274e32e78c5SSam Ravnborg# With make 3.82 we cannot mix normal and wildcard targets 275c686ecf5SAnatolij GustschinBOOT_TARGETS1 := zImage zImage.initrd uImage 27611eab297SBenjamin HerrenschmidtBOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% 277cabb5587SStephen Rothwell 278e32e78c5SSam RavnborgPHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) 279cabb5587SStephen Rothwell 28094b212c2SPaul Mackerrasboot := arch/$(ARCH)/boot 28114cf11afSPaul Mackerras 282e32e78c5SSam Ravnborg$(BOOT_TARGETS1): vmlinux 2831196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 284e32e78c5SSam Ravnborg$(BOOT_TARGETS2): vmlinux 2851196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 28614cf11afSPaul Mackerras 287e32e78c5SSam Ravnborg 288d42c6d0fSMichael EllermanPHONY += bootwrapper_install 289e32e78c5SSam Ravnborgbootwrapper_install: 2901196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 291e32e78c5SSam Ravnborg 292ea4d1a87SCyril Bur# Used to create 'merged defconfigs' 293ea4d1a87SCyril Bur# To use it $(call) it with the first argument as the base defconfig 294ea4d1a87SCyril Bur# and the second argument as a space separated list of .config files to merge, 295ea4d1a87SCyril Bur# without the .config suffix. 296ea4d1a87SCyril Burdefine merge_into_defconfig 297ea4d1a87SCyril Bur $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ 298ea4d1a87SCyril Bur -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \ 299ea4d1a87SCyril Bur $(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config) 300ea4d1a87SCyril Bur +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig 301ea4d1a87SCyril Burendef 302ea4d1a87SCyril Bur 303ea4d1a87SCyril BurPHONY += pseries_le_defconfig 304ea4d1a87SCyril Burpseries_le_defconfig: 305ea4d1a87SCyril Bur $(call merge_into_defconfig,pseries_defconfig,le) 306ea4d1a87SCyril Bur 3072adc48a6SMichael EllermanPHONY += ppc64le_defconfig 3082adc48a6SMichael Ellermanppc64le_defconfig: 3092adc48a6SMichael Ellerman $(call merge_into_defconfig,ppc64_defconfig,le) 3102adc48a6SMichael Ellerman 311721c01baSSatheesh RajendranPHONY += ppc64le_guest_defconfig 312721c01baSSatheesh Rajendranppc64le_guest_defconfig: 313721c01baSSatheesh Rajendran $(call merge_into_defconfig,ppc64_defconfig,le guest) 314721c01baSSatheesh Rajendran 315721c01baSSatheesh RajendranPHONY += ppc64_guest_defconfig 316721c01baSSatheesh Rajendranppc64_guest_defconfig: 317721c01baSSatheesh Rajendran $(call merge_into_defconfig,ppc64_defconfig,be guest) 318721c01baSSatheesh Rajendran 3193603c52fSMichael EllermanPHONY += powernv_be_defconfig 3203603c52fSMichael Ellermanpowernv_be_defconfig: 3213603c52fSMichael Ellerman $(call merge_into_defconfig,powernv_defconfig,be) 3223603c52fSMichael Ellerman 32344d54014SScott WoodPHONY += mpc85xx_defconfig 32444d54014SScott Woodmpc85xx_defconfig: 32558b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc85xx_base.config,\ 32644d54014SScott Wood 85xx-32bit 85xx-hw fsl-emb-nonhw) 32744d54014SScott Wood 32844d54014SScott WoodPHONY += mpc85xx_smp_defconfig 32944d54014SScott Woodmpc85xx_smp_defconfig: 33058b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc85xx_base.config,\ 33144d54014SScott Wood 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) 33244d54014SScott Wood 33344d54014SScott WoodPHONY += corenet32_smp_defconfig 33444d54014SScott Woodcorenet32_smp_defconfig: 33558b12eb2SMichael Ellerman $(call merge_into_defconfig,corenet_base.config,\ 336e0b80f00SClaudiu Manoil 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa) 33744d54014SScott Wood 33844d54014SScott WoodPHONY += corenet64_smp_defconfig 33944d54014SScott Woodcorenet64_smp_defconfig: 34058b12eb2SMichael Ellerman $(call merge_into_defconfig,corenet_base.config,\ 341e0b80f00SClaudiu Manoil 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa) 34244d54014SScott Wood 34343de32c5SAlessio Igor BoganiPHONY += mpc86xx_defconfig 34443de32c5SAlessio Igor Boganimpc86xx_defconfig: 34558b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc86xx_base.config,\ 34643de32c5SAlessio Igor Bogani 86xx-hw fsl-emb-nonhw) 34743de32c5SAlessio Igor Bogani 34843de32c5SAlessio Igor BoganiPHONY += mpc86xx_smp_defconfig 34943de32c5SAlessio Igor Boganimpc86xx_smp_defconfig: 35058b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc86xx_base.config,\ 35143de32c5SAlessio Igor Bogani 86xx-smp 86xx-hw fsl-emb-nonhw) 35243de32c5SAlessio Igor Bogani 3538db0c9d4SMichael EllermanPHONY += ppc32_allmodconfig 3548db0c9d4SMichael Ellermanppc32_allmodconfig: 3558db0c9d4SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/book3s_32.config \ 3568db0c9d4SMichael Ellerman -f $(srctree)/Makefile allmodconfig 3578db0c9d4SMichael Ellerman 358a273fa38SMichael EllermanPHONY += ppc_defconfig 359a273fa38SMichael Ellermanppc_defconfig: 360a273fa38SMichael Ellerman $(call merge_into_defconfig,book3s_32.config,) 361a273fa38SMichael Ellerman 36264de5d8dSMichael EllermanPHONY += ppc64le_allmodconfig 36364de5d8dSMichael Ellermanppc64le_allmodconfig: 36464de5d8dSMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/le.config \ 36564de5d8dSMichael Ellerman -f $(srctree)/Makefile allmodconfig 36664de5d8dSMichael Ellerman 3675d823447SMichael EllermanPHONY += ppc64le_allnoconfig 3685d823447SMichael Ellermanppc64le_allnoconfig: 3695d823447SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/ppc64le.config \ 3705d823447SMichael Ellerman -f $(srctree)/Makefile allnoconfig 3715d823447SMichael Ellerman 37264de5d8dSMichael EllermanPHONY += ppc64_book3e_allmodconfig 37364de5d8dSMichael Ellermanppc64_book3e_allmodconfig: 37464de5d8dSMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/85xx-64bit.config \ 37564de5d8dSMichael Ellerman -f $(srctree)/Makefile allmodconfig 37664de5d8dSMichael Ellerman 377f259fb89SMichael EllermanPHONY += ppc32_randconfig 378f259fb89SMichael Ellermanppc32_randconfig: 379f259fb89SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/32-bit.config \ 380f259fb89SMichael Ellerman -f $(srctree)/Makefile randconfig 381f259fb89SMichael Ellerman 382f259fb89SMichael EllermanPHONY += ppc64_randconfig 383f259fb89SMichael Ellermanppc64_randconfig: 384f259fb89SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/64-bit.config \ 385f259fb89SMichael Ellerman -f $(srctree)/Makefile randconfig 386f259fb89SMichael Ellerman 38714cf11afSPaul Mackerrasdefine archhelp 38870bf0333SGrant Likely @echo '* zImage - Build default images selected by kernel config' 38970bf0333SGrant Likely @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' 39070bf0333SGrant Likely @echo ' uImage - U-Boot native image format' 39170bf0333SGrant Likely @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' 39270bf0333SGrant Likely @echo ' versions which do not support device trees' 39370bf0333SGrant Likely @echo ' dtbImage.<dt> - zImage with an embedded device tree blob' 39470bf0333SGrant Likely @echo ' simpleImage.<dt> - Firmware independent image.' 39570bf0333SGrant Likely @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)' 39614cf11afSPaul Mackerras @echo ' install - Install kernel using' 397caa27b66SSam Ravnborg @echo ' (your) ~/bin/$(INSTALLKERNEL) or' 398caa27b66SSam Ravnborg @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 39914cf11afSPaul Mackerras @echo ' install to $$(INSTALL_PATH) and run lilo' 400437a58dbSPaul Mackerras @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' 40170bf0333SGrant Likely @echo '' 40270bf0333SGrant Likely @echo ' Targets with <dt> embed a device tree blob inside the image' 40370bf0333SGrant Likely @echo ' These targets support board with firmware that does not' 40470bf0333SGrant Likely @echo ' support passing a device tree directly. Replace <dt> with the' 40570bf0333SGrant Likely @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory' 40670bf0333SGrant Likely @echo ' (minus the .dts extension).' 40714cf11afSPaul Mackerrasendef 40814cf11afSPaul Mackerras 409d42c6d0fSMichael EllermanPHONY += install 4103f85d63eSSam Ravnborginstall: 41186ff0bceSMasahiro Yamada sh -x $(srctree)/$(boot)/install.sh "$(KERNELRELEASE)" vmlinux \ 41286ff0bceSMasahiro Yamada System.map "$(INSTALL_PATH)" 413928370c6SAkinobu Mita 41414cf11afSPaul Mackerrasarchclean: 415a3a9e99eSPaul Mackerras $(Q)$(MAKE) $(clean)=$(boot) 41670567293SAndreas Gruenbacher 41791bf6955SChristophe Leroyifeq ($(KBUILD_EXTMOD),) 41891bf6955SChristophe Leroy# We need to generate vdso-offsets.h before compiling certain files in kernel/. 41991bf6955SChristophe Leroy# In order to do that, we should use the archprepare target, but we can't since 42091bf6955SChristophe Leroy# asm-offsets.h is included in some files used to generate vdso-offsets.h, and 42191bf6955SChristophe Leroy# asm-offsets.h is built in prepare0, for which archprepare is a dependency. 42291bf6955SChristophe Leroy# Therefore we need to generate the header after prepare0 has been made, hence 42391bf6955SChristophe Leroy# this hack. 42491bf6955SChristophe Leroyprepare: vdso_prepare 42591bf6955SChristophe Leroyvdso_prepare: prepare0 42691bf6955SChristophe Leroy $(if $(CONFIG_VDSO32),$(Q)$(MAKE) \ 42791bf6955SChristophe Leroy $(build)=arch/powerpc/kernel/vdso32 include/generated/vdso32-offsets.h) 42891bf6955SChristophe Leroy $(if $(CONFIG_PPC64),$(Q)$(MAKE) \ 42991bf6955SChristophe Leroy $(build)=arch/powerpc/kernel/vdso64 include/generated/vdso64-offsets.h) 43091bf6955SChristophe Leroyendif 43191bf6955SChristophe Leroy 43214cf11afSPaul Mackerrasarchprepare: checkbin 43314cf11afSPaul Mackerras 434ab66dcc7SFiroz Khanarchheaders: 435ab66dcc7SFiroz Khan $(Q)$(MAKE) $(build)=arch/powerpc/kernel/syscalls all 436ab66dcc7SFiroz Khan 437c3ff2a51SChristophe Leroyifdef CONFIG_STACKPROTECTOR 438c3ff2a51SChristophe Leroyprepare: stack_protector_prepare 43914cf11afSPaul Mackerras 440d42c6d0fSMichael EllermanPHONY += stack_protector_prepare 441c3ff2a51SChristophe Leroystack_protector_prepare: prepare0 44206ec27aeSChristophe Leroyifdef CONFIG_PPC64 44306ec27aeSChristophe Leroy $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "PACA_CANARY") print $$3;}' include/generated/asm-offsets.h)) 44406ec27aeSChristophe Leroyelse 445c3ff2a51SChristophe Leroy $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "TASK_CANARY") print $$3;}' include/generated/asm-offsets.h)) 446c3ff2a51SChristophe Leroyendif 44706ec27aeSChristophe Leroyendif 448c3ff2a51SChristophe Leroy 449ed1cd6deSChristophe Leroyifdef CONFIG_SMP 4503027a37cSMichael Ellermanifdef CONFIG_PPC32 451ed1cd6deSChristophe Leroyprepare: task_cpu_prepare 452ed1cd6deSChristophe Leroy 453d42c6d0fSMichael EllermanPHONY += task_cpu_prepare 454ed1cd6deSChristophe Leroytask_cpu_prepare: prepare0 455f7354ccaSChristophe Leroy $(eval KBUILD_CFLAGS += -D_TASK_CPU=$(shell awk '{if ($$2 == "TASK_CPU") print $$3;}' include/generated/asm-offsets.h)) 4563027a37cSMichael Ellerman 4573027a37cSMichael Ellermanendif # CONFIG_PPC32 4583027a37cSMichael Ellermanendif # CONFIG_SMP 459ed1cd6deSChristophe Leroy 460d42c6d0fSMichael EllermanPHONY += checkbin 461f2910f0eSNicholas Piggin# Check toolchain versions: 462f2910f0eSNicholas Piggin# - gcc-4.6 is the minimum kernel-wide version so nothing required. 46314cf11afSPaul Mackerrascheckbin: 46460e065f7SMichael Ellerman @if test "x${CONFIG_CPU_LITTLE_ENDIAN}" = "xy" \ 46560e065f7SMichael Ellerman && $(LD) --version | head -1 | grep ' 2\.24$$' >/dev/null ; then \ 46660e065f7SMichael Ellerman echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \ 46760e065f7SMichael Ellerman echo 'in some circumstances.' ; \ 46860e065f7SMichael Ellerman echo -n '*** Please use a different binutils version.' ; \ 46960e065f7SMichael Ellerman false ; \ 47060e065f7SMichael Ellerman fi 471