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 1259c5f7d39SSuzuki PouloseLDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) 12614cf11afSPaul Mackerras 127badf436fSRodrigo R. Galvaoifdef CONFIG_PPC64 1281fbe9cf2SAnton Blanchardifeq ($(call cc-option-yn,-mcmodel=medium),y) 1291fbe9cf2SAnton Blanchard # -mcmodel=medium breaks modules because it uses 32bit offsets from 1301fbe9cf2SAnton Blanchard # the TOC pointer to create pointers where possible. Pointers into the 1311fbe9cf2SAnton Blanchard # percpu data area are created by this method. 1321fbe9cf2SAnton Blanchard # 1331fbe9cf2SAnton Blanchard # The kernel module loader relocates the percpu data section from the 1341fbe9cf2SAnton Blanchard # original location (starting with 0xd...) to somewhere in the base 1351fbe9cf2SAnton Blanchard # kernel percpu data space (starting with 0xc...). We need a full 1361fbe9cf2SAnton Blanchard # 64bit relocation for this to work, hence -mcmodel=large. 1371fbe9cf2SAnton Blanchard KBUILD_CFLAGS_MODULE += -mcmodel=large 1381fbe9cf2SAnton Blanchardelse 1391fbe9cf2SAnton Blanchard export NO_MINIMAL_TOC := -mno-minimal-toc 1401fbe9cf2SAnton Blanchardendif 1411fbe9cf2SAnton Blanchardendif 1421fbe9cf2SAnton Blanchard 143a50a862eSAnton BlanchardCFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no) 144465bfd9cSNathan Chancellorifndef CONFIG_CC_IS_CLANG 145badf436fSRodrigo R. Galvaoifdef CONFIG_CPU_LITTLE_ENDIAN 146238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) 147721aeaa9SAnton BlanchardAFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2) 148721aeaa9SAnton Blanchardelse 1494dc831aaSNicholas PigginCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) 150238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc) 1514dc831aaSNicholas PigginAFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) 152721aeaa9SAnton Blanchardendif 153465bfd9cSNathan Chancellorendif 154238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc)) 15598679fb0SAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions) 15651d42f0fSSegher Boessenkool 15772e7bcc2SJoel Stanley# Clang unconditionally reserves r2 on ppc32 and does not support the flag 15872e7bcc2SJoel Stanley# https://bugs.llvm.org/show_bug.cgi?id=39555 15972e7bcc2SJoel StanleyCFLAGS-$(CONFIG_PPC32) := $(call cc-option, -ffixed-r2) 16072e7bcc2SJoel Stanley 16172e7bcc2SJoel Stanley# Clang doesn't support -mmultiple / -mno-multiple 16272e7bcc2SJoel Stanley# https://bugs.llvm.org/show_bug.cgi?id=39556 16372e7bcc2SJoel StanleyCFLAGS-$(CONFIG_PPC32) += $(call cc-option, $(MULTIPLEWORD)) 16472e7bcc2SJoel Stanley 16551d42f0fSSegher BoessenkoolCFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata) 166d23c6fb4SAnton Blanchard 167badf436fSRodrigo R. Galvaoifdef CONFIG_PPC_BOOK3S_64 168badf436fSRodrigo R. Galvaoifdef CONFIG_CPU_LITTLE_ENDIAN 169a73657eaSNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8 1704b7e5532SNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power9,-mtune=power8) 171a73657eaSNicholas Pigginelse 172471d7ff8SNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,$(call cc-option,-mtune=power5)) 173471d7ff8SNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mcpu=power5,-mcpu=power4) 174a73657eaSNicholas Pigginendif 17501718ba6SScott Woodelse 17601718ba6SScott WoodCFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 17701718ba6SScott Woodendif 17801718ba6SScott Wood 1792a056f58SNicholas Pigginifdef CONFIG_FUNCTION_TRACER 1802a056f58SNicholas PigginCC_FLAGS_FTRACE := -pg 1818c50b72aSTorsten Duweifdef CONFIG_MPROFILE_KERNEL 1822a056f58SNicholas PigginCC_FLAGS_FTRACE += -mprofile-kernel 1832a056f58SNicholas Pigginendif 1848c50b72aSTorsten Duweendif 1858c50b72aSTorsten Duwe 186cc62d20cSChristophe LeroyCFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU)) 187d23c6fb4SAnton Blanchard 188cbf8a358STiejun Chen# Altivec option not allowed with e500mc64 in GCC. 189badf436fSRodrigo R. Galvaoifdef CONFIG_ALTIVEC 190cbf8a358STiejun ChenE5500_CPU := -mcpu=powerpc64 191cbf8a358STiejun Chenelse 19201718ba6SScott WoodE5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64) 193cbf8a358STiejun Chenendif 19401718ba6SScott WoodCFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU) 19501718ba6SScott WoodCFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU)) 19601718ba6SScott Wood 197badf436fSRodrigo R. Galvaoifdef CONFIG_PPC32 198badf436fSRodrigo R. Galvaoifdef CONFIG_PPC_E500MC 199847f56b0SScott WoodCFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc) 200847f56b0SScott Woodelse 201847f56b0SScott WoodCFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc) 202847f56b0SScott Woodendif 203847f56b0SScott Woodendif 204847f56b0SScott Wood 2057998eb3dSGuenter Roeckasinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) 2067998eb3dSGuenter Roeck 2079cc342f6SMasahiro YamadaKBUILD_CPPFLAGS += -I $(srctree)/arch/$(ARCH) $(asinstr) 208b00899b8SMasahiro YamadaKBUILD_AFLAGS += $(AFLAGS-y) 209a50a862eSAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-msoft-float) 210b00899b8SMasahiro YamadaKBUILD_CFLAGS += -pipe $(CFLAGS-y) 211a0f97e06SSam RavnborgCPP = $(CC) -E $(KBUILD_CFLAGS) 21214cf11afSPaul Mackerras 21368201fbbSMichael EllermanCHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__ 21462c2c5cfSDaniel Axtensifdef CONFIG_CPU_BIG_ENDIAN 21562c2c5cfSDaniel AxtensCHECKFLAGS += -D__BIG_ENDIAN__ 21662c2c5cfSDaniel Axtenselse 21762c2c5cfSDaniel AxtensCHECKFLAGS += -D__LITTLE_ENDIAN__ 21862c2c5cfSDaniel Axtensendif 21914cf11afSPaul Mackerras 220badf436fSRodrigo R. Galvaoifdef CONFIG_476FPE_ERR46 221d5b35cffSAlistair Popple KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ 222d5b35cffSAlistair Popple -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds 223d5b35cffSAlistair Poppleendif 224d5b35cffSAlistair Popple 225d23c6fb4SAnton Blanchard# No AltiVec or VSX instructions when building kernel 226a0f97e06SSam RavnborgKBUILD_CFLAGS += $(call cc-option,-mno-altivec) 227d23c6fb4SAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-mno-vsx) 228d3f67fbbSPaul Mackerras 2290197cd2eSKumar Gala# No SPE instruction when building kernel 230ce400c01SThiemo Seufer# (We use all available options to help semi-broken compilers) 2310197cd2eSKumar GalaKBUILD_CFLAGS += $(call cc-option,-mno-spe) 232ce400c01SThiemo SeuferKBUILD_CFLAGS += $(call cc-option,-mspe=no) 2330197cd2eSKumar Gala 234ba96301cSNaveen N. Rao# Don't emit .eh_frame since we have no use for it 235ba96301cSNaveen N. RaoKBUILD_CFLAGS += -fno-asynchronous-unwind-tables 236ba96301cSNaveen N. Rao 23757647a4dSBenjamin Herrenschmidt# Never use string load/store instructions as they are 23857647a4dSBenjamin Herrenschmidt# often slow when they are implemented at all 239a50a862eSAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-mno-string) 24014cf11afSPaul Mackerras 241548ad77dSImre Kalozcpu-as-$(CONFIG_40x) += -Wa,-m405 242548ad77dSImre Kalozcpu-as-$(CONFIG_44x) += -Wa,-m440 2439ddf0075SAnton Blanchardcpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) 2444e4a4b75SJames Clarkecpu-as-$(CONFIG_E500) += -Wa,-me500 245960e3002SJoel Stanley 246960e3002SJoel Stanley# When using '-many -mpower4' gas will first try and find a matching power4 247960e3002SJoel Stanley# mnemonic and failing that it will allow any valid mnemonic that GAS knows 248960e3002SJoel Stanley# about. GCC will pass -many to GAS when assembling, clang does not. 249960e3002SJoel Stanleycpu-as-$(CONFIG_PPC_BOOK3S_64) += -Wa,-mpower4 -Wa,-many 25069a84059SMichael Jeansoncpu-as-$(CONFIG_PPC_E500MC) += $(call as-option,-Wa$(comma)-me500mc) 25114cf11afSPaul Mackerras 252222d394dSSam RavnborgKBUILD_AFLAGS += $(cpu-as-y) 253a0f97e06SSam RavnborgKBUILD_CFLAGS += $(cpu-as-y) 25414cf11afSPaul Mackerras 255164af597SMichael EllermanKBUILD_AFLAGS += $(aflags-y) 256164af597SMichael EllermanKBUILD_CFLAGS += $(cflags-y) 257164af597SMichael Ellerman 258533090e5SChristophe Leroyhead-$(CONFIG_PPC64) := arch/powerpc/kernel/head_64.o 259533090e5SChristophe Leroyhead-$(CONFIG_PPC_BOOK3S_32) := arch/powerpc/kernel/head_book3s_32.o 260968159c0SChristophe Leroyhead-$(CONFIG_PPC_8xx) := arch/powerpc/kernel/head_8xx.o 26115f6527eSJosh Boyerhead-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o 26214cf11afSPaul Mackerrashead-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o 26314cf11afSPaul Mackerrashead-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o 26414cf11afSPaul Mackerras 2659994a338SPaul Mackerrashead-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o 26614cf11afSPaul Mackerrashead-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o 267e821ea70SBenjamin Herrenschmidthead-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o 2685ac47f7aSAnton Blanchardhead-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += arch/powerpc/kernel/prom_init.o 26914cf11afSPaul Mackerras 270c47ca98dSMichael Ellerman# See arch/powerpc/Kbuild for content of core part of the kernel 271c47ca98dSMichael Ellermancore-y += arch/powerpc/ 27214cf11afSPaul Mackerras 273135f0b17STom Rini# Default to zImage, override when needed 27425431333SGrant Likelyall: zImage 27514cf11afSPaul Mackerras 276e32e78c5SSam Ravnborg# With make 3.82 we cannot mix normal and wildcard targets 277c686ecf5SAnatolij GustschinBOOT_TARGETS1 := zImage zImage.initrd uImage 27811eab297SBenjamin HerrenschmidtBOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% 279cabb5587SStephen Rothwell 280e32e78c5SSam RavnborgPHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) 281cabb5587SStephen Rothwell 28294b212c2SPaul Mackerrasboot := arch/$(ARCH)/boot 28314cf11afSPaul Mackerras 284e32e78c5SSam Ravnborg$(BOOT_TARGETS1): vmlinux 2851196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 286e32e78c5SSam Ravnborg$(BOOT_TARGETS2): vmlinux 2871196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 28814cf11afSPaul Mackerras 289e32e78c5SSam Ravnborg 290d42c6d0fSMichael EllermanPHONY += bootwrapper_install 291e32e78c5SSam Ravnborgbootwrapper_install: 2921196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 293e32e78c5SSam Ravnborg 294ea4d1a87SCyril Bur# Used to create 'merged defconfigs' 295ea4d1a87SCyril Bur# To use it $(call) it with the first argument as the base defconfig 296ea4d1a87SCyril Bur# and the second argument as a space separated list of .config files to merge, 297ea4d1a87SCyril Bur# without the .config suffix. 298ea4d1a87SCyril Burdefine merge_into_defconfig 299ea4d1a87SCyril Bur $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ 300ea4d1a87SCyril Bur -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \ 301ea4d1a87SCyril Bur $(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config) 302ea4d1a87SCyril Bur +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig 303ea4d1a87SCyril Burendef 304ea4d1a87SCyril Bur 305ea4d1a87SCyril BurPHONY += pseries_le_defconfig 306ea4d1a87SCyril Burpseries_le_defconfig: 307ea4d1a87SCyril Bur $(call merge_into_defconfig,pseries_defconfig,le) 308ea4d1a87SCyril Bur 3092adc48a6SMichael EllermanPHONY += ppc64le_defconfig 3102adc48a6SMichael Ellermanppc64le_defconfig: 3112adc48a6SMichael Ellerman $(call merge_into_defconfig,ppc64_defconfig,le) 3122adc48a6SMichael Ellerman 313721c01baSSatheesh RajendranPHONY += ppc64le_guest_defconfig 314721c01baSSatheesh Rajendranppc64le_guest_defconfig: 315721c01baSSatheesh Rajendran $(call merge_into_defconfig,ppc64_defconfig,le guest) 316721c01baSSatheesh Rajendran 317721c01baSSatheesh RajendranPHONY += ppc64_guest_defconfig 318721c01baSSatheesh Rajendranppc64_guest_defconfig: 319721c01baSSatheesh Rajendran $(call merge_into_defconfig,ppc64_defconfig,be guest) 320721c01baSSatheesh Rajendran 3213603c52fSMichael EllermanPHONY += powernv_be_defconfig 3223603c52fSMichael Ellermanpowernv_be_defconfig: 3233603c52fSMichael Ellerman $(call merge_into_defconfig,powernv_defconfig,be) 3243603c52fSMichael Ellerman 32544d54014SScott WoodPHONY += mpc85xx_defconfig 32644d54014SScott Woodmpc85xx_defconfig: 32758b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc85xx_base.config,\ 32844d54014SScott Wood 85xx-32bit 85xx-hw fsl-emb-nonhw) 32944d54014SScott Wood 33044d54014SScott WoodPHONY += mpc85xx_smp_defconfig 33144d54014SScott Woodmpc85xx_smp_defconfig: 33258b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc85xx_base.config,\ 33344d54014SScott Wood 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) 33444d54014SScott Wood 33544d54014SScott WoodPHONY += corenet32_smp_defconfig 33644d54014SScott Woodcorenet32_smp_defconfig: 33758b12eb2SMichael Ellerman $(call merge_into_defconfig,corenet_base.config,\ 338e0b80f00SClaudiu Manoil 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa) 33944d54014SScott Wood 34044d54014SScott WoodPHONY += corenet64_smp_defconfig 34144d54014SScott Woodcorenet64_smp_defconfig: 34258b12eb2SMichael Ellerman $(call merge_into_defconfig,corenet_base.config,\ 343e0b80f00SClaudiu Manoil 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa) 34444d54014SScott Wood 34543de32c5SAlessio Igor BoganiPHONY += mpc86xx_defconfig 34643de32c5SAlessio Igor Boganimpc86xx_defconfig: 34758b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc86xx_base.config,\ 34843de32c5SAlessio Igor Bogani 86xx-hw fsl-emb-nonhw) 34943de32c5SAlessio Igor Bogani 35043de32c5SAlessio Igor BoganiPHONY += mpc86xx_smp_defconfig 35143de32c5SAlessio Igor Boganimpc86xx_smp_defconfig: 35258b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc86xx_base.config,\ 35343de32c5SAlessio Igor Bogani 86xx-smp 86xx-hw fsl-emb-nonhw) 35443de32c5SAlessio Igor Bogani 3558db0c9d4SMichael EllermanPHONY += ppc32_allmodconfig 3568db0c9d4SMichael Ellermanppc32_allmodconfig: 3578db0c9d4SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/book3s_32.config \ 3588db0c9d4SMichael Ellerman -f $(srctree)/Makefile allmodconfig 3598db0c9d4SMichael Ellerman 360a273fa38SMichael EllermanPHONY += ppc_defconfig 361a273fa38SMichael Ellermanppc_defconfig: 362a273fa38SMichael Ellerman $(call merge_into_defconfig,book3s_32.config,) 363a273fa38SMichael Ellerman 36464de5d8dSMichael EllermanPHONY += ppc64le_allmodconfig 36564de5d8dSMichael Ellermanppc64le_allmodconfig: 36664de5d8dSMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/le.config \ 36764de5d8dSMichael Ellerman -f $(srctree)/Makefile allmodconfig 36864de5d8dSMichael Ellerman 3695d823447SMichael EllermanPHONY += ppc64le_allnoconfig 3705d823447SMichael Ellermanppc64le_allnoconfig: 3715d823447SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/ppc64le.config \ 3725d823447SMichael Ellerman -f $(srctree)/Makefile allnoconfig 3735d823447SMichael Ellerman 37464de5d8dSMichael EllermanPHONY += ppc64_book3e_allmodconfig 37564de5d8dSMichael Ellermanppc64_book3e_allmodconfig: 37664de5d8dSMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/85xx-64bit.config \ 37764de5d8dSMichael Ellerman -f $(srctree)/Makefile allmodconfig 37864de5d8dSMichael Ellerman 37914cf11afSPaul Mackerrasdefine archhelp 38070bf0333SGrant Likely @echo '* zImage - Build default images selected by kernel config' 38170bf0333SGrant Likely @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' 38270bf0333SGrant Likely @echo ' uImage - U-Boot native image format' 38370bf0333SGrant Likely @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' 38470bf0333SGrant Likely @echo ' versions which do not support device trees' 38570bf0333SGrant Likely @echo ' dtbImage.<dt> - zImage with an embedded device tree blob' 38670bf0333SGrant Likely @echo ' simpleImage.<dt> - Firmware independent image.' 38770bf0333SGrant Likely @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)' 38814cf11afSPaul Mackerras @echo ' install - Install kernel using' 389caa27b66SSam Ravnborg @echo ' (your) ~/bin/$(INSTALLKERNEL) or' 390caa27b66SSam Ravnborg @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 39114cf11afSPaul Mackerras @echo ' install to $$(INSTALL_PATH) and run lilo' 392437a58dbSPaul Mackerras @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' 39370bf0333SGrant Likely @echo '' 39470bf0333SGrant Likely @echo ' Targets with <dt> embed a device tree blob inside the image' 39570bf0333SGrant Likely @echo ' These targets support board with firmware that does not' 39670bf0333SGrant Likely @echo ' support passing a device tree directly. Replace <dt> with the' 39770bf0333SGrant Likely @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory' 39870bf0333SGrant Likely @echo ' (minus the .dts extension).' 39914cf11afSPaul Mackerrasendef 40014cf11afSPaul Mackerras 401d42c6d0fSMichael EllermanPHONY += install 4023f85d63eSSam Ravnborginstall: 40325431333SGrant Likely $(Q)$(MAKE) $(build)=$(boot) install 404928370c6SAkinobu Mita 40514cf11afSPaul Mackerrasarchclean: 406a3a9e99eSPaul Mackerras $(Q)$(MAKE) $(clean)=$(boot) 40770567293SAndreas Gruenbacher 40891bf6955SChristophe Leroyifeq ($(KBUILD_EXTMOD),) 40991bf6955SChristophe Leroy# We need to generate vdso-offsets.h before compiling certain files in kernel/. 41091bf6955SChristophe Leroy# In order to do that, we should use the archprepare target, but we can't since 41191bf6955SChristophe Leroy# asm-offsets.h is included in some files used to generate vdso-offsets.h, and 41291bf6955SChristophe Leroy# asm-offsets.h is built in prepare0, for which archprepare is a dependency. 41391bf6955SChristophe Leroy# Therefore we need to generate the header after prepare0 has been made, hence 41491bf6955SChristophe Leroy# this hack. 41591bf6955SChristophe Leroyprepare: vdso_prepare 41691bf6955SChristophe Leroyvdso_prepare: prepare0 41791bf6955SChristophe Leroy $(if $(CONFIG_VDSO32),$(Q)$(MAKE) \ 41891bf6955SChristophe Leroy $(build)=arch/powerpc/kernel/vdso32 include/generated/vdso32-offsets.h) 41991bf6955SChristophe Leroy $(if $(CONFIG_PPC64),$(Q)$(MAKE) \ 42091bf6955SChristophe Leroy $(build)=arch/powerpc/kernel/vdso64 include/generated/vdso64-offsets.h) 42191bf6955SChristophe Leroyendif 42291bf6955SChristophe Leroy 42314cf11afSPaul Mackerrasarchprepare: checkbin 42414cf11afSPaul Mackerras 425ab66dcc7SFiroz Khanarchheaders: 426ab66dcc7SFiroz Khan $(Q)$(MAKE) $(build)=arch/powerpc/kernel/syscalls all 427ab66dcc7SFiroz Khan 428c3ff2a51SChristophe Leroyifdef CONFIG_STACKPROTECTOR 429c3ff2a51SChristophe Leroyprepare: stack_protector_prepare 43014cf11afSPaul Mackerras 431d42c6d0fSMichael EllermanPHONY += stack_protector_prepare 432c3ff2a51SChristophe Leroystack_protector_prepare: prepare0 43306ec27aeSChristophe Leroyifdef CONFIG_PPC64 43406ec27aeSChristophe Leroy $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "PACA_CANARY") print $$3;}' include/generated/asm-offsets.h)) 43506ec27aeSChristophe Leroyelse 436c3ff2a51SChristophe Leroy $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "TASK_CANARY") print $$3;}' include/generated/asm-offsets.h)) 437c3ff2a51SChristophe Leroyendif 43806ec27aeSChristophe Leroyendif 439c3ff2a51SChristophe Leroy 440ed1cd6deSChristophe Leroyifdef CONFIG_SMP 441*3027a37cSMichael Ellermanifdef CONFIG_PPC32 442ed1cd6deSChristophe Leroyprepare: task_cpu_prepare 443ed1cd6deSChristophe Leroy 444d42c6d0fSMichael EllermanPHONY += task_cpu_prepare 445ed1cd6deSChristophe Leroytask_cpu_prepare: prepare0 446f7354ccaSChristophe Leroy $(eval KBUILD_CFLAGS += -D_TASK_CPU=$(shell awk '{if ($$2 == "TASK_CPU") print $$3;}' include/generated/asm-offsets.h)) 447*3027a37cSMichael Ellerman 448*3027a37cSMichael Ellermanendif # CONFIG_PPC32 449*3027a37cSMichael Ellermanendif # CONFIG_SMP 450ed1cd6deSChristophe Leroy 451d42c6d0fSMichael EllermanPHONY += checkbin 452f2910f0eSNicholas Piggin# Check toolchain versions: 453f2910f0eSNicholas Piggin# - gcc-4.6 is the minimum kernel-wide version so nothing required. 45414cf11afSPaul Mackerrascheckbin: 45560e065f7SMichael Ellerman @if test "x${CONFIG_CPU_LITTLE_ENDIAN}" = "xy" \ 45660e065f7SMichael Ellerman && $(LD) --version | head -1 | grep ' 2\.24$$' >/dev/null ; then \ 45760e065f7SMichael Ellerman echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \ 45860e065f7SMichael Ellerman echo 'in some circumstances.' ; \ 45960e065f7SMichael Ellerman echo -n '*** Please use a different binutils version.' ; \ 46060e065f7SMichael Ellerman false ; \ 46160e065f7SMichael Ellerman fi 462