114cf11afSPaul Mackerras# This file is included by the global makefile so that you can add your own 28212f898SMasahiro Yamada# architecture-specific flags and dependencies. 314cf11afSPaul Mackerras# 414cf11afSPaul Mackerras# This file is subject to the terms and conditions of the GNU General Public 514cf11afSPaul Mackerras# License. See the file "COPYING" in the main directory of this archive 614cf11afSPaul Mackerras# for more details. 714cf11afSPaul Mackerras# 814cf11afSPaul Mackerras# Copyright (C) 1994 by Linus Torvalds 914cf11afSPaul Mackerras# Changes for PPC by Gary Thomas 1014cf11afSPaul Mackerras# Rewritten by Cort Dougan and Paul Mackerras 1114cf11afSPaul Mackerras# 1214cf11afSPaul Mackerras 13402928b5SMichael Ellermanifdef cross_compiling 14402928b5SMichael Ellerman ifeq ($(CROSS_COMPILE),) 15402928b5SMichael Ellerman # Auto detect cross compiler prefix. 16402928b5SMichael Ellerman # Look for: (powerpc(64(le)?)?)(-unknown)?-linux(-gnu)?- 17402928b5SMichael Ellerman CC_ARCHES := powerpc powerpc64 powerpc64le 18402928b5SMichael Ellerman CC_SUFFIXES := linux linux-gnu unknown-linux-gnu 19402928b5SMichael Ellerman CROSS_COMPILE := $(call cc-cross-prefix, $(foreach a,$(CC_ARCHES), \ 20402928b5SMichael Ellerman $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-))) 21402928b5SMichael Ellerman endif 22402928b5SMichael Ellermanendif 23402928b5SMichael Ellerman 2414cf11afSPaul MackerrasHAS_BIARCH := $(call cc-option-yn, -m32) 2514cf11afSPaul Mackerras 2614cf11afSPaul Mackerras# Set default 32 bits cross compilers for vdso and boot wrapper 2714cf11afSPaul MackerrasCROSS32_COMPILE ?= 2814cf11afSPaul Mackerras 29af5cd05dSMichael Ellerman# If we're on a ppc/ppc64/ppc64le machine use that defconfig, otherwise just use 3022f17b02SMichael Ellerman# ppc64le_defconfig because we have nothing better to go on. 31af5cd05dSMichael Ellermanuname := $(shell uname -m) 3222f17b02SMichael EllermanKBUILD_DEFCONFIG := $(if $(filter ppc%,$(uname)),$(uname),ppc64le)_defconfig 338a5abdf8SPaul Mackerras 3414cf11afSPaul Mackerrasnew_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) 3514cf11afSPaul Mackerras 3614cf11afSPaul Mackerrasifeq ($(new_nm),y) 3714cf11afSPaul MackerrasNM := $(NM) --synthetic 3814cf11afSPaul Mackerrasendif 3914cf11afSPaul Mackerras 4068201fbbSMichael Ellerman# BITS is used as extension for files which are available in a 32 bit 4168201fbbSMichael Ellerman# and a 64 bit version to simplify shared Makefiles. 4268201fbbSMichael Ellerman# e.g.: obj-y += foo_$(BITS).o 4368201fbbSMichael Ellermanexport BITS 4468201fbbSMichael Ellerman 4568201fbbSMichael Ellermanifdef CONFIG_PPC64 4668201fbbSMichael Ellerman BITS := 64 4768201fbbSMichael Ellermanelse 4868201fbbSMichael Ellerman BITS := 32 4914cf11afSPaul Mackerrasendif 5014cf11afSPaul Mackerras 5157073e27SMichael Ellermanmachine-y = ppc 5257073e27SMichael Ellermanmachine-$(CONFIG_PPC64) += 64 5357073e27SMichael Ellermanmachine-$(CONFIG_CPU_LITTLE_ENDIAN) += le 5457073e27SMichael EllermanUTS_MACHINE := $(subst $(space),,$(machine-y)) 55190554dbSStephen Rothwell 5654a11654SMasahiro Yamadaifeq ($(CONFIG_PPC64)$(CONFIG_LD_IS_BFD),yy) 57b40b2386SMichael Ellerman# Have the linker provide sfpr if possible. 58b40b2386SMichael Ellerman# There is a corresponding test in arch/powerpc/lib/Makefile 59b40b2386SMichael EllermanKBUILD_LDFLAGS_MODULE += --save-restore-funcs 60b40b2386SMichael Ellermanelse 61b40b2386SMichael EllermanKBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o 62b40b2386SMichael Ellermanendif 63b40b2386SMichael Ellerman 64badf436fSRodrigo R. Galvaoifdef CONFIG_CPU_LITTLE_ENDIAN 651421dc6dSNicholas PigginKBUILD_CFLAGS += -mlittle-endian 66d503ac53SMasahiro YamadaKBUILD_LDFLAGS += -EL 67d72b0801SIan MunsieLDEMULATION := lppc 68d72b0801SIan MunsieGNUTARGET := powerpcle 69d72b0801SIan MunsieMULTIPLEWORD := -mno-multiple 70d3d35d95STony BreedsKBUILD_CFLAGS_MODULE += $(call cc-option,-mno-save-toc-indirect) 71d72b0801SIan Munsieelse 721421dc6dSNicholas PigginKBUILD_CFLAGS += $(call cc-option,-mbig-endian) 73d503ac53SMasahiro YamadaKBUILD_LDFLAGS += -EB 74d72b0801SIan MunsieLDEMULATION := ppc 75d72b0801SIan MunsieGNUTARGET := powerpc 76d72b0801SIan MunsieMULTIPLEWORD := -mmultiple 77d72b0801SIan Munsieendif 78d72b0801SIan Munsie 794dc831aaSNicholas Pigginifdef CONFIG_PPC64 80465bfd9cSNathan Chancellorifndef CONFIG_CC_IS_CLANG 81661aa880SChristophe Leroycflags-$(CONFIG_PPC64_ELF_ABI_V1) += $(call cc-option,-mabi=elfv1) 82661aa880SChristophe Leroycflags-$(CONFIG_PPC64_ELF_ABI_V1) += $(call cc-option,-mcall-aixdesc) 83661aa880SChristophe Leroyaflags-$(CONFIG_PPC64_ELF_ABI_V1) += $(call cc-option,-mabi=elfv1) 84661aa880SChristophe Leroyaflags-$(CONFIG_PPC64_ELF_ABI_V2) += -mabi=elfv2 854dc831aaSNicholas Pigginendif 86465bfd9cSNathan Chancellorendif 874dc831aaSNicholas Piggin 88076f421dSMasahiro Yamadaifndef CONFIG_CC_IS_CLANG 89164af597SMichael Ellerman cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mno-strict-align 90164af597SMichael Ellermanendif 91164af597SMichael Ellerman 921421dc6dSNicholas Piggincflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) 931421dc6dSNicholas Piggincflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian 94164af597SMichael Ellermanaflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) 95164af597SMichael Ellermanaflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian 96164af597SMichael Ellerman 9714cf11afSPaul Mackerrasifeq ($(HAS_BIARCH),y) 981421dc6dSNicholas PigginKBUILD_CFLAGS += -m$(BITS) 9931f48f16SNathan ChancellorKBUILD_AFLAGS += -m$(BITS) 100d503ac53SMasahiro YamadaKBUILD_LDFLAGS += -m elf$(BITS)$(LDEMULATION) 10114cf11afSPaul Mackerrasendif 10214cf11afSPaul Mackerras 103c3ff2a51SChristophe Leroycflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard=tls 10406ec27aeSChristophe Leroyifdef CONFIG_PPC64 10506ec27aeSChristophe Leroycflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r13 10606ec27aeSChristophe Leroyelse 107c3ff2a51SChristophe Leroycflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r2 10806ec27aeSChristophe Leroyendif 109c3ff2a51SChristophe Leroy 1109c5f7d39SSuzuki PouloseLDFLAGS_vmlinux-y := -Bstatic 1119c5f7d39SSuzuki PouloseLDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie 11203557853SFangrui SongLDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) += -z notext 1139c5f7d39SSuzuki PouloseLDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) 11414cf11afSPaul Mackerras 115badf436fSRodrigo R. Galvaoifdef CONFIG_PPC64 11677e69ee7SNicholas Pigginifndef CONFIG_PPC_KERNEL_PCREL 1171fbe9cf2SAnton Blanchardifeq ($(call cc-option-yn,-mcmodel=medium),y) 1181fbe9cf2SAnton Blanchard # -mcmodel=medium breaks modules because it uses 32bit offsets from 1191fbe9cf2SAnton Blanchard # the TOC pointer to create pointers where possible. Pointers into the 1201fbe9cf2SAnton Blanchard # percpu data area are created by this method. 1211fbe9cf2SAnton Blanchard # 1221fbe9cf2SAnton Blanchard # The kernel module loader relocates the percpu data section from the 1231fbe9cf2SAnton Blanchard # original location (starting with 0xd...) to somewhere in the base 1241fbe9cf2SAnton Blanchard # kernel percpu data space (starting with 0xc...). We need a full 1251fbe9cf2SAnton Blanchard # 64bit relocation for this to work, hence -mcmodel=large. 1261fbe9cf2SAnton Blanchard KBUILD_CFLAGS_MODULE += -mcmodel=large 1271fbe9cf2SAnton Blanchardelse 1281fbe9cf2SAnton Blanchard export NO_MINIMAL_TOC := -mno-minimal-toc 1291fbe9cf2SAnton Blanchardendif 1301fbe9cf2SAnton Blanchardendif 13177e69ee7SNicholas Pigginendif 1321fbe9cf2SAnton Blanchard 133a50a862eSAnton BlanchardCFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no) 134661aa880SChristophe Leroyifdef CONFIG_PPC64_ELF_ABI_V2 135238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) 136721aeaa9SAnton Blanchardelse 1377c3bd836SNathan Chancellorifndef CONFIG_CC_IS_CLANG 1384dc831aaSNicholas PigginCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) 139238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc) 140721aeaa9SAnton Blanchardendif 141465bfd9cSNathan Chancellorendif 142238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc)) 14398679fb0SAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions) 14478f09298SMichael EllermanCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mlong-double-128) 14551d42f0fSSegher Boessenkool 14672e7bcc2SJoel Stanley# Clang unconditionally reserves r2 on ppc32 and does not support the flag 147*2947a456SNathan Chancellor# https://llvm.org/pr39555 14872e7bcc2SJoel StanleyCFLAGS-$(CONFIG_PPC32) := $(call cc-option, -ffixed-r2) 14972e7bcc2SJoel Stanley 15072e7bcc2SJoel Stanley# Clang doesn't support -mmultiple / -mno-multiple 151*2947a456SNathan Chancellor# https://llvm.org/pr39556 15272e7bcc2SJoel StanleyCFLAGS-$(CONFIG_PPC32) += $(call cc-option, $(MULTIPLEWORD)) 15372e7bcc2SJoel Stanley 15451d42f0fSSegher BoessenkoolCFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata) 155d23c6fb4SAnton Blanchard 1562a056f58SNicholas Pigginifdef CONFIG_FUNCTION_TRACER 1570f71dcfbSNaveen N Raoifdef CONFIG_ARCH_USING_PATCHABLE_FUNCTION_ENTRY 1580f71dcfbSNaveen N RaoKBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY 1590f71dcfbSNaveen N RaoCC_FLAGS_FTRACE := -fpatchable-function-entry=2 1600f71dcfbSNaveen N Raoelse 1612a056f58SNicholas PigginCC_FLAGS_FTRACE := -pg 1628c50b72aSTorsten Duweifdef CONFIG_MPROFILE_KERNEL 1632a056f58SNicholas PigginCC_FLAGS_FTRACE += -mprofile-kernel 1642a056f58SNicholas Pigginendif 1658c50b72aSTorsten Duweendif 1660f71dcfbSNaveen N Raoendif 1678c50b72aSTorsten Duwe 16845f7091aSChristophe LeroyCFLAGS-$(CONFIG_TARGET_CPU_BOOL) += -mcpu=$(CONFIG_TARGET_CPU) 16945f7091aSChristophe LeroyAFLAGS-$(CONFIG_TARGET_CPU_BOOL) += -mcpu=$(CONFIG_TARGET_CPU) 170d23c6fb4SAnton Blanchard 17150832720SMichael EllermanCFLAGS-y += $(CONFIG_TUNE_CPU) 17201718ba6SScott Wood 1737998eb3dSGuenter Roeckasinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) 1747998eb3dSGuenter Roeck 175dc420877SMichael EllermanKBUILD_CPPFLAGS += -I $(srctree)/arch/powerpc $(asinstr) 176b00899b8SMasahiro YamadaKBUILD_AFLAGS += $(AFLAGS-y) 177a50a862eSAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-msoft-float) 178f5df87b8SNicholas PigginKBUILD_CFLAGS += $(CFLAGS-y) 179a0f97e06SSam RavnborgCPP = $(CC) -E $(KBUILD_CFLAGS) 18014cf11afSPaul Mackerras 18168201fbbSMichael EllermanCHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__ 18262c2c5cfSDaniel Axtensifdef CONFIG_CPU_BIG_ENDIAN 18362c2c5cfSDaniel AxtensCHECKFLAGS += -D__BIG_ENDIAN__ 18462c2c5cfSDaniel Axtenselse 1855b89492cSChristophe LeroyCHECKFLAGS += -D__LITTLE_ENDIAN__ 18662c2c5cfSDaniel Axtensendif 18714cf11afSPaul Mackerras 188badf436fSRodrigo R. Galvaoifdef CONFIG_476FPE_ERR46 189d5b35cffSAlistair Popple KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ 190d5b35cffSAlistair Popple -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds 191d5b35cffSAlistair Poppleendif 192d5b35cffSAlistair Popple 1934b2a9315SNicholas Piggin# No prefix or pcrel 194dc5dac74SNicholas Pigginifdef CONFIG_PPC_KERNEL_PREFIXED 195dc5dac74SNicholas PigginKBUILD_CFLAGS += $(call cc-option,-mprefixed) 196dc5dac74SNicholas Pigginelse 1974b2a9315SNicholas PigginKBUILD_CFLAGS += $(call cc-option,-mno-prefixed) 198dc5dac74SNicholas Pigginendif 1997e3a68beSNicholas Pigginifdef CONFIG_PPC_KERNEL_PCREL 2007e3a68beSNicholas PigginKBUILD_CFLAGS += $(call cc-option,-mpcrel) 2017e3a68beSNicholas Pigginelse 2024b2a9315SNicholas PigginKBUILD_CFLAGS += $(call cc-option,-mno-pcrel) 2037e3a68beSNicholas Pigginendif 2044b2a9315SNicholas Piggin 2054b2a9315SNicholas Piggin# No AltiVec or VSX or MMA instructions when building kernel 206a0f97e06SSam RavnborgKBUILD_CFLAGS += $(call cc-option,-mno-altivec) 207d23c6fb4SAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-mno-vsx) 2084b2a9315SNicholas PigginKBUILD_CFLAGS += $(call cc-option,-mno-mma) 209d3f67fbbSPaul Mackerras 2100197cd2eSKumar Gala# No SPE instruction when building kernel 211ce400c01SThiemo Seufer# (We use all available options to help semi-broken compilers) 2120197cd2eSKumar GalaKBUILD_CFLAGS += $(call cc-option,-mno-spe) 213ce400c01SThiemo SeuferKBUILD_CFLAGS += $(call cc-option,-mspe=no) 2140197cd2eSKumar Gala 215ba96301cSNaveen N. Rao# Don't emit .eh_frame since we have no use for it 216ba96301cSNaveen N. RaoKBUILD_CFLAGS += -fno-asynchronous-unwind-tables 217ba96301cSNaveen N. Rao 21857647a4dSBenjamin Herrenschmidt# Never use string load/store instructions as they are 21957647a4dSBenjamin Herrenschmidt# often slow when they are implemented at all 220a50a862eSAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-mno-string) 22114cf11afSPaul Mackerras 2229ddf0075SAnton Blanchardcpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) 223960e3002SJoel Stanley 224960e3002SJoel Stanley# When using '-many -mpower4' gas will first try and find a matching power4 225960e3002SJoel Stanley# mnemonic and failing that it will allow any valid mnemonic that GAS knows 226960e3002SJoel Stanley# about. GCC will pass -many to GAS when assembling, clang does not. 227f5140cabSDaniel Axtens# LLVM IAS doesn't understand either flag: https://github.com/ClangBuiltLinux/linux/issues/675 228f5140cabSDaniel Axtens# but LLVM IAS only supports ISA >= 2.06 for Book3S 64 anyway... 229f5140cabSDaniel Axtenscpu-as-$(CONFIG_PPC_BOOK3S_64) += $(call as-option,-Wa$(comma)-mpower4) $(call as-option,-Wa$(comma)-many) 23014cf11afSPaul Mackerras 231222d394dSSam RavnborgKBUILD_AFLAGS += $(cpu-as-y) 232a0f97e06SSam RavnborgKBUILD_CFLAGS += $(cpu-as-y) 23314cf11afSPaul Mackerras 234164af597SMichael EllermanKBUILD_AFLAGS += $(aflags-y) 235164af597SMichael EllermanKBUILD_CFLAGS += $(cflags-y) 236164af597SMichael Ellerman 237135f0b17STom Rini# Default to zImage, override when needed 23825431333SGrant Likelyall: zImage 23914cf11afSPaul Mackerras 240e32e78c5SSam Ravnborg# With make 3.82 we cannot mix normal and wildcard targets 241c686ecf5SAnatolij GustschinBOOT_TARGETS1 := zImage zImage.initrd uImage 24211eab297SBenjamin HerrenschmidtBOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% 243cabb5587SStephen Rothwell 244e32e78c5SSam RavnborgPHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) 245cabb5587SStephen Rothwell 246dc420877SMichael Ellermanboot := arch/powerpc/boot 24714cf11afSPaul Mackerras 248e32e78c5SSam Ravnborg$(BOOT_TARGETS1): vmlinux 2491196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 250e32e78c5SSam Ravnborg$(BOOT_TARGETS2): vmlinux 2511196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 25214cf11afSPaul Mackerras 253e32e78c5SSam Ravnborg 254d42c6d0fSMichael EllermanPHONY += bootwrapper_install 255e32e78c5SSam Ravnborgbootwrapper_install: 2561196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 257e32e78c5SSam Ravnborg 258a400c287SNicolas Saenz Julienneinclude $(srctree)/scripts/Makefile.defconf 25922db99d6SMichael Ellerman 26022db99d6SMichael Ellermangenerated_configs += ppc64le_defconfig 2612adc48a6SMichael Ellermanppc64le_defconfig: 2622adc48a6SMichael Ellerman $(call merge_into_defconfig,ppc64_defconfig,le) 2632adc48a6SMichael Ellerman 26422db99d6SMichael Ellermangenerated_configs += ppc64le_guest_defconfig 265721c01baSSatheesh Rajendranppc64le_guest_defconfig: 266bac94962SMichael Ellerman $(call merge_into_defconfig,ppc64_defconfig,le guest kvm_guest) 267721c01baSSatheesh Rajendran 26822db99d6SMichael Ellermangenerated_configs += ppc64_guest_defconfig 269721c01baSSatheesh Rajendranppc64_guest_defconfig: 270bac94962SMichael Ellerman $(call merge_into_defconfig,ppc64_defconfig,be guest kvm_guest) 271721c01baSSatheesh Rajendran 272596ddea8SMichael Ellermangenerated_configs += pseries_le_defconfig 273596ddea8SMichael Ellermanpseries_le_defconfig: ppc64le_guest_defconfig 274596ddea8SMichael Ellerman 2759ecda934SMichael Ellermangenerated_configs += pseries_defconfig 2769ecda934SMichael Ellermanpseries_defconfig: ppc64le_guest_defconfig 2779ecda934SMichael Ellerman 27822db99d6SMichael Ellermangenerated_configs += powernv_be_defconfig 2793603c52fSMichael Ellermanpowernv_be_defconfig: 2803603c52fSMichael Ellerman $(call merge_into_defconfig,powernv_defconfig,be) 2813603c52fSMichael Ellerman 28222db99d6SMichael Ellermangenerated_configs += mpc85xx_defconfig 28344d54014SScott Woodmpc85xx_defconfig: 28458b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc85xx_base.config,\ 28544d54014SScott Wood 85xx-32bit 85xx-hw fsl-emb-nonhw) 28644d54014SScott Wood 28722db99d6SMichael Ellermangenerated_configs += mpc85xx_smp_defconfig 28844d54014SScott Woodmpc85xx_smp_defconfig: 28958b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc85xx_base.config,\ 29044d54014SScott Wood 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) 29144d54014SScott Wood 29222db99d6SMichael Ellermangenerated_configs += corenet32_smp_defconfig 29344d54014SScott Woodcorenet32_smp_defconfig: 29458b12eb2SMichael Ellerman $(call merge_into_defconfig,corenet_base.config,\ 295e0b80f00SClaudiu Manoil 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa) 29644d54014SScott Wood 29722db99d6SMichael Ellermangenerated_configs += corenet64_smp_defconfig 29844d54014SScott Woodcorenet64_smp_defconfig: 29958b12eb2SMichael Ellerman $(call merge_into_defconfig,corenet_base.config,\ 300e0b80f00SClaudiu Manoil 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa) 30144d54014SScott Wood 30222db99d6SMichael Ellermangenerated_configs += mpc86xx_defconfig 30343de32c5SAlessio Igor Boganimpc86xx_defconfig: 30458b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc86xx_base.config,\ 30543de32c5SAlessio Igor Bogani 86xx-hw fsl-emb-nonhw) 30643de32c5SAlessio Igor Bogani 30722db99d6SMichael Ellermangenerated_configs += mpc86xx_smp_defconfig 30843de32c5SAlessio Igor Boganimpc86xx_smp_defconfig: 30958b12eb2SMichael Ellerman $(call merge_into_defconfig,mpc86xx_base.config,\ 31043de32c5SAlessio Igor Bogani 86xx-smp 86xx-hw fsl-emb-nonhw) 31143de32c5SAlessio Igor Bogani 31222db99d6SMichael Ellermangenerated_configs += ppc32_allmodconfig 3138db0c9d4SMichael Ellermanppc32_allmodconfig: 3148db0c9d4SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/book3s_32.config \ 3158db0c9d4SMichael Ellerman -f $(srctree)/Makefile allmodconfig 3168db0c9d4SMichael Ellerman 31722db99d6SMichael Ellermangenerated_configs += ppc_defconfig 318a273fa38SMichael Ellermanppc_defconfig: 319a273fa38SMichael Ellerman $(call merge_into_defconfig,book3s_32.config,) 320a273fa38SMichael Ellerman 32122db99d6SMichael Ellermangenerated_configs += ppc64le_allmodconfig 32264de5d8dSMichael Ellermanppc64le_allmodconfig: 32364de5d8dSMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/le.config \ 32464de5d8dSMichael Ellerman -f $(srctree)/Makefile allmodconfig 32564de5d8dSMichael Ellerman 32622db99d6SMichael Ellermangenerated_configs += ppc64le_allnoconfig 3275d823447SMichael Ellermanppc64le_allnoconfig: 3285d823447SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/ppc64le.config \ 3295d823447SMichael Ellerman -f $(srctree)/Makefile allnoconfig 3305d823447SMichael Ellerman 33122db99d6SMichael Ellermangenerated_configs += ppc64_book3e_allmodconfig 33264de5d8dSMichael Ellermanppc64_book3e_allmodconfig: 33364de5d8dSMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/85xx-64bit.config \ 33464de5d8dSMichael Ellerman -f $(srctree)/Makefile allmodconfig 33564de5d8dSMichael Ellerman 33622db99d6SMichael Ellermangenerated_configs += ppc32_randconfig 337f259fb89SMichael Ellermanppc32_randconfig: 338f259fb89SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/32-bit.config \ 339f259fb89SMichael Ellerman -f $(srctree)/Makefile randconfig 340f259fb89SMichael Ellerman 34122db99d6SMichael Ellermangenerated_configs += ppc64_randconfig 342f259fb89SMichael Ellermanppc64_randconfig: 343f259fb89SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/64-bit.config \ 344f259fb89SMichael Ellerman -f $(srctree)/Makefile randconfig 345f259fb89SMichael Ellerman 34622db99d6SMichael EllermanPHONY += $(generated_configs) 34722db99d6SMichael Ellerman 34814cf11afSPaul Mackerrasdefine archhelp 349228c7a95SMichael Ellerman echo '* zImage - Build default images selected by kernel config' 350dc420877SMichael Ellerman echo ' zImage.* - Compressed kernel image (arch/powerpc/boot/zImage.*)' 351228c7a95SMichael Ellerman echo ' uImage - U-Boot native image format' 352228c7a95SMichael Ellerman echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' 353228c7a95SMichael Ellerman echo ' versions which do not support device trees' 354228c7a95SMichael Ellerman echo ' dtbImage.<dt> - zImage with an embedded device tree blob' 355228c7a95SMichael Ellerman echo ' simpleImage.<dt> - Firmware independent image.' 356228c7a95SMichael Ellerman echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)' 357228c7a95SMichael Ellerman echo ' install - Install kernel using' 358228c7a95SMichael Ellerman echo ' (your) ~/bin/$(INSTALLKERNEL) or' 359228c7a95SMichael Ellerman echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 360228c7a95SMichael Ellerman echo ' install to $$(INSTALL_PATH) and run lilo' 361dc420877SMichael Ellerman echo ' *_defconfig - Select default config from arch/powerpc/configs' 362228c7a95SMichael Ellerman echo '' 363228c7a95SMichael Ellerman echo ' Targets with <dt> embed a device tree blob inside the image' 364228c7a95SMichael Ellerman echo ' These targets support board with firmware that does not' 365228c7a95SMichael Ellerman echo ' support passing a device tree directly. Replace <dt> with the' 366dc420877SMichael Ellerman echo ' name of a dts file from the arch/powerpc/boot/dts/ directory' 367228c7a95SMichael Ellerman echo ' (minus the .dts extension).' 36822db99d6SMichael Ellerman echo 36922db99d6SMichael Ellerman $(foreach cfg,$(generated_configs), 37022db99d6SMichael Ellerman printf " %-27s - Build for %s\\n" $(cfg) $(subst _defconfig,,$(cfg));) 37114cf11afSPaul Mackerrasendef 37214cf11afSPaul Mackerras 373d42c6d0fSMichael EllermanPHONY += install 3743f85d63eSSam Ravnborginstall: 375f774f5bbSMasahiro Yamada $(call cmd,install) 376928370c6SAkinobu Mita 37791bf6955SChristophe Leroyifeq ($(KBUILD_EXTMOD),) 37891bf6955SChristophe Leroy# We need to generate vdso-offsets.h before compiling certain files in kernel/. 37991bf6955SChristophe Leroy# In order to do that, we should use the archprepare target, but we can't since 38091bf6955SChristophe Leroy# asm-offsets.h is included in some files used to generate vdso-offsets.h, and 38191bf6955SChristophe Leroy# asm-offsets.h is built in prepare0, for which archprepare is a dependency. 38291bf6955SChristophe Leroy# Therefore we need to generate the header after prepare0 has been made, hence 38391bf6955SChristophe Leroy# this hack. 38491bf6955SChristophe Leroyprepare: vdso_prepare 38591bf6955SChristophe Leroyvdso_prepare: prepare0 38691bf6955SChristophe Leroy $(if $(CONFIG_VDSO32),$(Q)$(MAKE) \ 387fd1feadeSChristophe Leroy $(build)=arch/powerpc/kernel/vdso include/generated/vdso32-offsets.h) 38891bf6955SChristophe Leroy $(if $(CONFIG_PPC64),$(Q)$(MAKE) \ 389fd1feadeSChristophe Leroy $(build)=arch/powerpc/kernel/vdso include/generated/vdso64-offsets.h) 39091bf6955SChristophe Leroyendif 39191bf6955SChristophe Leroy 39214cf11afSPaul Mackerrasarchprepare: checkbin 39314cf11afSPaul Mackerras 394ab66dcc7SFiroz Khanarchheaders: 395ab66dcc7SFiroz Khan $(Q)$(MAKE) $(build)=arch/powerpc/kernel/syscalls all 396ab66dcc7SFiroz Khan 397c3ff2a51SChristophe Leroyifdef CONFIG_STACKPROTECTOR 398c3ff2a51SChristophe Leroyprepare: stack_protector_prepare 39914cf11afSPaul Mackerras 400d42c6d0fSMichael EllermanPHONY += stack_protector_prepare 401c3ff2a51SChristophe Leroystack_protector_prepare: prepare0 40206ec27aeSChristophe Leroyifdef CONFIG_PPC64 40306ec27aeSChristophe Leroy $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "PACA_CANARY") print $$3;}' include/generated/asm-offsets.h)) 40406ec27aeSChristophe Leroyelse 405c3ff2a51SChristophe Leroy $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "TASK_CANARY") print $$3;}' include/generated/asm-offsets.h)) 406c3ff2a51SChristophe Leroyendif 40706ec27aeSChristophe Leroyendif 408c3ff2a51SChristophe Leroy 409d42c6d0fSMichael EllermanPHONY += checkbin 41014cf11afSPaul Mackerrascheckbin: 41125ea739eSNaveen N Rao @if test "x${CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT}" = "xy" -a \ 41225ea739eSNaveen N Rao "x${CONFIG_LD_IS_BFD}" = "xy" -a \ 41325ea739eSNaveen N Rao "${CONFIG_LD_VERSION}" = "23700" ; then \ 41425ea739eSNaveen N Rao echo -n '*** binutils 2.37 drops unused section symbols, which recordmcount ' ; \ 41525ea739eSNaveen N Rao echo 'is unable to handle.' ; \ 41625ea739eSNaveen N Rao echo '*** Please use a different binutils version.' ; \ 41725ea739eSNaveen N Rao false ; \ 41825ea739eSNaveen N Rao fi 419