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 ($(CROSS32_COMPILE),) 224bf4f42aSNicholas Pigginifdef CONFIG_PPC32 234bf4f42aSNicholas Piggin# These options will be overridden by any -mcpu option that the CPU 244bf4f42aSNicholas Piggin# or platform code sets later on the command line, but they are needed 254bf4f42aSNicholas Piggin# to set a sane 32-bit cpu target for the 64-bit cross compiler which 264bf4f42aSNicholas Piggin# may default to the wrong ISA. 274bf4f42aSNicholas PigginKBUILD_CFLAGS += -mcpu=powerpc 284bf4f42aSNicholas PigginKBUILD_AFLAGS += -mcpu=powerpc 294bf4f42aSNicholas Pigginendif 3014cf11afSPaul Mackerrasendif 3114cf11afSPaul Mackerrasendif 3214cf11afSPaul Mackerras 33ca786f83SAdrian Bunkifeq ($(CROSS_COMPILE),) 348a5abdf8SPaul MackerrasKBUILD_DEFCONFIG := $(shell uname -m)_defconfig 35ca786f83SAdrian Bunkelse 36ca786f83SAdrian BunkKBUILD_DEFCONFIG := ppc64_defconfig 37ca786f83SAdrian Bunkendif 388a5abdf8SPaul Mackerras 39badf436fSRodrigo R. Galvaoifdef CONFIG_PPC64 4014cf11afSPaul Mackerrasnew_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) 4114cf11afSPaul Mackerras 4214cf11afSPaul Mackerrasifeq ($(new_nm),y) 4314cf11afSPaul MackerrasNM := $(NM) --synthetic 4414cf11afSPaul Mackerrasendif 45a0588015SAnton Blanchardendif 4614cf11afSPaul Mackerras 4768201fbbSMichael Ellerman# BITS is used as extension for files which are available in a 32 bit 4868201fbbSMichael Ellerman# and a 64 bit version to simplify shared Makefiles. 4968201fbbSMichael Ellerman# e.g.: obj-y += foo_$(BITS).o 5068201fbbSMichael Ellermanexport BITS 5168201fbbSMichael Ellerman 5268201fbbSMichael Ellermanifdef CONFIG_PPC64 5368201fbbSMichael Ellerman BITS := 64 5468201fbbSMichael Ellermanelse 5568201fbbSMichael Ellerman BITS := 32 5614cf11afSPaul Mackerrasendif 5714cf11afSPaul Mackerras 5857073e27SMichael Ellermanmachine-y = ppc 5957073e27SMichael Ellermanmachine-$(CONFIG_PPC64) += 64 6057073e27SMichael Ellermanmachine-$(CONFIG_CPU_LITTLE_ENDIAN) += le 6157073e27SMichael EllermanUTS_MACHINE := $(subst $(space),,$(machine-y)) 62190554dbSStephen Rothwell 63b40b2386SMichael Ellerman# XXX This needs to be before we override LD below 64b40b2386SMichael Ellermanifdef CONFIG_PPC32 65b40b2386SMichael EllermanKBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o 66b40b2386SMichael Ellermanelse 675c45b528SAlan ModraKBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/powerpc/kernel/module.lds 68b40b2386SMichael Ellermanifeq ($(call ld-ifversion, -ge, 225000000, 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 += $(call cc-option,-mbig-endian) 86d503ac53SMasahiro YamadaKBUILD_LDFLAGS += -EB 87d72b0801SIan MunsieLDEMULATION := ppc 88d72b0801SIan MunsieGNUTARGET := powerpc 89d72b0801SIan MunsieMULTIPLEWORD := -mmultiple 90d72b0801SIan Munsieendif 91d72b0801SIan Munsie 924dc831aaSNicholas Pigginifdef CONFIG_PPC64 934dc831aaSNicholas Piggincflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) 944dc831aaSNicholas Piggincflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mcall-aixdesc) 954dc831aaSNicholas Pigginaflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) 964dc831aaSNicholas Pigginaflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mabi=elfv2 974dc831aaSNicholas Pigginendif 984dc831aaSNicholas Piggin 99164af597SMichael Ellermanifneq ($(cc-name),clang) 100164af597SMichael Ellerman cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mno-strict-align 101164af597SMichael Ellermanendif 102164af597SMichael Ellerman 1031421dc6dSNicholas Piggincflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) 1041421dc6dSNicholas Piggincflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian 105164af597SMichael Ellermanaflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) 106164af597SMichael Ellermanaflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian 107164af597SMichael Ellerman 10814cf11afSPaul Mackerrasifeq ($(HAS_BIARCH),y) 1091421dc6dSNicholas PigginKBUILD_CFLAGS += -m$(BITS) 1101421dc6dSNicholas PigginKBUILD_AFLAGS += -m$(BITS) -Wl,-a$(BITS) 111d503ac53SMasahiro YamadaKBUILD_LDFLAGS += -m elf$(BITS)$(LDEMULATION) 11243c9127dSNicholas PigginKBUILD_ARFLAGS += --target=elf$(BITS)-$(GNUTARGET) 11314cf11afSPaul Mackerrasendif 11414cf11afSPaul Mackerras 115c3ff2a51SChristophe Leroycflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard=tls 11606ec27aeSChristophe Leroyifdef CONFIG_PPC64 11706ec27aeSChristophe Leroycflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r13 11806ec27aeSChristophe Leroyelse 119c3ff2a51SChristophe Leroycflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r2 12006ec27aeSChristophe Leroyendif 121c3ff2a51SChristophe Leroy 1229c5f7d39SSuzuki PouloseLDFLAGS_vmlinux-y := -Bstatic 1239c5f7d39SSuzuki PouloseLDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie 1249c5f7d39SSuzuki PouloseLDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) 12583a092cfSNicholas PigginLDFLAGS_vmlinux += $(call ld-option,--orphan-handling=warn) 12614cf11afSPaul Mackerras 127badf436fSRodrigo R. Galvaoifdef CONFIG_PPC64 1281fbe9cf2SAnton Blanchardifeq ($(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) := $(call cc-option,-mtraceback=no) 144badf436fSRodrigo R. Galvaoifdef CONFIG_CPU_LITTLE_ENDIAN 145238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) 146721aeaa9SAnton BlanchardAFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2) 147721aeaa9SAnton Blanchardelse 1484dc831aaSNicholas PigginCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) 149238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc) 1504dc831aaSNicholas PigginAFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) 151721aeaa9SAnton Blanchardendif 152238abecdSAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc)) 15398679fb0SAnton BlanchardCFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions) 15451d42f0fSSegher Boessenkool 155d72b0801SIan MunsieCFLAGS-$(CONFIG_PPC32) := -ffixed-r2 $(MULTIPLEWORD) 15651d42f0fSSegher BoessenkoolCFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata) 157d23c6fb4SAnton Blanchard 158badf436fSRodrigo R. Galvaoifdef CONFIG_PPC_BOOK3S_64 159badf436fSRodrigo R. Galvaoifdef CONFIG_CPU_LITTLE_ENDIAN 160a73657eaSNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8 1614b7e5532SNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power9,-mtune=power8) 162a73657eaSNicholas Pigginelse 163471d7ff8SNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,$(call cc-option,-mtune=power5)) 164471d7ff8SNicholas PigginCFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mcpu=power5,-mcpu=power4) 165a73657eaSNicholas Pigginendif 16601718ba6SScott Woodelse 16701718ba6SScott WoodCFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 16801718ba6SScott Woodendif 16901718ba6SScott Wood 1702a056f58SNicholas Pigginifdef CONFIG_FUNCTION_TRACER 1712a056f58SNicholas PigginCC_FLAGS_FTRACE := -pg 1728c50b72aSTorsten Duweifdef CONFIG_MPROFILE_KERNEL 1732a056f58SNicholas PigginCC_FLAGS_FTRACE += -mprofile-kernel 1742a056f58SNicholas Pigginendif 1756977f95eSNicholas Piggin# Work around gcc code-gen bugs with -pg / -fno-omit-frame-pointer in gcc <= 4.8 1766977f95eSNicholas Piggin# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44199 1776977f95eSNicholas Piggin# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52828 1786977f95eSNicholas Pigginifneq ($(cc-name),clang) 1796977f95eSNicholas PigginCC_FLAGS_FTRACE += $(call cc-ifversion, -lt, 0409, -mno-sched-epilog) 1806977f95eSNicholas Pigginendif 1818c50b72aSTorsten Duweendif 1828c50b72aSTorsten Duwe 183cc62d20cSChristophe LeroyCFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU)) 184d23c6fb4SAnton Blanchard 185cbf8a358STiejun Chen# Altivec option not allowed with e500mc64 in GCC. 186badf436fSRodrigo R. Galvaoifdef CONFIG_ALTIVEC 187cbf8a358STiejun ChenE5500_CPU := -mcpu=powerpc64 188cbf8a358STiejun Chenelse 18901718ba6SScott WoodE5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64) 190cbf8a358STiejun Chenendif 19101718ba6SScott WoodCFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU) 19201718ba6SScott WoodCFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU)) 19301718ba6SScott Wood 194badf436fSRodrigo R. Galvaoifdef CONFIG_PPC32 195badf436fSRodrigo R. Galvaoifdef CONFIG_PPC_E500MC 196847f56b0SScott WoodCFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc) 197847f56b0SScott Woodelse 198847f56b0SScott WoodCFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc) 199847f56b0SScott Woodendif 200847f56b0SScott Woodendif 201847f56b0SScott Wood 2027998eb3dSGuenter Roeckasinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) 2037998eb3dSGuenter Roeck 2047998eb3dSGuenter RoeckKBUILD_CPPFLAGS += -Iarch/$(ARCH) $(asinstr) 20558aedccbSAnton BlanchardKBUILD_AFLAGS += -Iarch/$(ARCH) $(AFLAGS-y) 206a50a862eSAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-msoft-float) 207a50a862eSAnton BlanchardKBUILD_CFLAGS += -pipe -Iarch/$(ARCH) $(CFLAGS-y) 208a0f97e06SSam RavnborgCPP = $(CC) -E $(KBUILD_CFLAGS) 20914cf11afSPaul Mackerras 21068201fbbSMichael EllermanCHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__ 21162c2c5cfSDaniel Axtensifdef CONFIG_CPU_BIG_ENDIAN 21262c2c5cfSDaniel AxtensCHECKFLAGS += -D__BIG_ENDIAN__ 21362c2c5cfSDaniel Axtenselse 21462c2c5cfSDaniel AxtensCHECKFLAGS += -D__LITTLE_ENDIAN__ 21562c2c5cfSDaniel Axtensendif 21614cf11afSPaul Mackerras 217badf436fSRodrigo R. Galvaoifdef CONFIG_476FPE_ERR46 218d5b35cffSAlistair Popple KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ 219d5b35cffSAlistair Popple -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds 220d5b35cffSAlistair Poppleendif 221d5b35cffSAlistair Popple 222d23c6fb4SAnton Blanchard# No AltiVec or VSX instructions when building kernel 223a0f97e06SSam RavnborgKBUILD_CFLAGS += $(call cc-option,-mno-altivec) 224d23c6fb4SAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-mno-vsx) 225d3f67fbbSPaul Mackerras 2260197cd2eSKumar Gala# No SPE instruction when building kernel 227ce400c01SThiemo Seufer# (We use all available options to help semi-broken compilers) 2280197cd2eSKumar GalaKBUILD_CFLAGS += $(call cc-option,-mno-spe) 229ce400c01SThiemo SeuferKBUILD_CFLAGS += $(call cc-option,-mspe=no) 2300197cd2eSKumar Gala 23114cf11afSPaul Mackerras# Enable unit-at-a-time mode when possible. It shrinks the 23214cf11afSPaul Mackerras# kernel considerably. 233a0f97e06SSam RavnborgKBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) 23414cf11afSPaul Mackerras 235d0679c73SAndi Kleen# FIXME: the module load should be taught about the additional relocs 236d0679c73SAndi Kleen# generated by this. 237d0679c73SAndi Kleen# revert to pre-gcc-4.4 behaviour of .eh_frame 238d0679c73SAndi KleenKBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) 239d0679c73SAndi Kleen 24057647a4dSBenjamin Herrenschmidt# Never use string load/store instructions as they are 24157647a4dSBenjamin Herrenschmidt# often slow when they are implemented at all 242a50a862eSAnton BlanchardKBUILD_CFLAGS += $(call cc-option,-mno-string) 24314cf11afSPaul Mackerras 244badf436fSRodrigo R. Galvaoifdef CONFIG_6xx 245a0f97e06SSam RavnborgKBUILD_CFLAGS += -mcpu=powerpc 246f48b8296SOlaf Heringendif 247f48b8296SOlaf Hering 24814cf11afSPaul Mackerrascpu-as-$(CONFIG_4xx) += -Wa,-m405 2499ddf0075SAnton Blanchardcpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) 25014cf11afSPaul Mackerrascpu-as-$(CONFIG_E200) += -Wa,-me200 2514e4a4b75SJames Clarkecpu-as-$(CONFIG_E500) += -Wa,-me500 252960e3002SJoel Stanley 253960e3002SJoel Stanley# When using '-many -mpower4' gas will first try and find a matching power4 254960e3002SJoel Stanley# mnemonic and failing that it will allow any valid mnemonic that GAS knows 255960e3002SJoel Stanley# about. GCC will pass -many to GAS when assembling, clang does not. 256960e3002SJoel Stanleycpu-as-$(CONFIG_PPC_BOOK3S_64) += -Wa,-mpower4 -Wa,-many 25769a84059SMichael Jeansoncpu-as-$(CONFIG_PPC_E500MC) += $(call as-option,-Wa$(comma)-me500mc) 25814cf11afSPaul Mackerras 259222d394dSSam RavnborgKBUILD_AFLAGS += $(cpu-as-y) 260a0f97e06SSam RavnborgKBUILD_CFLAGS += $(cpu-as-y) 26114cf11afSPaul Mackerras 262164af597SMichael EllermanKBUILD_AFLAGS += $(aflags-y) 263164af597SMichael EllermanKBUILD_CFLAGS += $(cflags-y) 264164af597SMichael Ellerman 26568201fbbSMichael Ellermanhead-y := arch/powerpc/kernel/head_$(BITS).o 266968159c0SChristophe Leroyhead-$(CONFIG_PPC_8xx) := arch/powerpc/kernel/head_8xx.o 26715f6527eSJosh Boyerhead-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o 26814cf11afSPaul Mackerrashead-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o 26914cf11afSPaul Mackerrashead-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o 27014cf11afSPaul Mackerras 2719994a338SPaul Mackerrashead-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o 27214cf11afSPaul Mackerrashead-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o 273e821ea70SBenjamin Herrenschmidthead-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o 2745ac47f7aSAnton Blanchardhead-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += arch/powerpc/kernel/prom_init.o 27514cf11afSPaul Mackerras 276*c47ca98dSMichael Ellerman# See arch/powerpc/Kbuild for content of core part of the kernel 277*c47ca98dSMichael Ellermancore-y += arch/powerpc/ 27814cf11afSPaul Mackerras 27914cf11afSPaul Mackerrasdrivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ 28014cf11afSPaul Mackerras 281135f0b17STom Rini# Default to zImage, override when needed 28225431333SGrant Likelyall: zImage 28314cf11afSPaul Mackerras 284e32e78c5SSam Ravnborg# With make 3.82 we cannot mix normal and wildcard targets 285c686ecf5SAnatolij GustschinBOOT_TARGETS1 := zImage zImage.initrd uImage 28611eab297SBenjamin HerrenschmidtBOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% 287cabb5587SStephen Rothwell 288e32e78c5SSam RavnborgPHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) 289cabb5587SStephen Rothwell 29094b212c2SPaul Mackerrasboot := arch/$(ARCH)/boot 29114cf11afSPaul Mackerras 292e32e78c5SSam Ravnborg$(BOOT_TARGETS1): vmlinux 2931196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 294e32e78c5SSam Ravnborg$(BOOT_TARGETS2): vmlinux 2951196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 29614cf11afSPaul Mackerras 297e32e78c5SSam Ravnborg 298e32e78c5SSam Ravnborgbootwrapper_install: 2991196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 300e32e78c5SSam Ravnborg 3018662d0bcSMatthew McClintock%.dtb: scripts 3021196d7aaSMichael Ellerman $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) 303773f76b1SDavid Woodhouse 304ea4d1a87SCyril Bur# Used to create 'merged defconfigs' 305ea4d1a87SCyril Bur# To use it $(call) it with the first argument as the base defconfig 306ea4d1a87SCyril Bur# and the second argument as a space separated list of .config files to merge, 307ea4d1a87SCyril Bur# without the .config suffix. 308ea4d1a87SCyril Burdefine merge_into_defconfig 309ea4d1a87SCyril Bur $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ 310ea4d1a87SCyril Bur -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \ 311ea4d1a87SCyril Bur $(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config) 312ea4d1a87SCyril Bur +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig 313ea4d1a87SCyril Burendef 314ea4d1a87SCyril Bur 315ea4d1a87SCyril BurPHONY += pseries_le_defconfig 316ea4d1a87SCyril Burpseries_le_defconfig: 317ea4d1a87SCyril Bur $(call merge_into_defconfig,pseries_defconfig,le) 318ea4d1a87SCyril Bur 3192adc48a6SMichael EllermanPHONY += ppc64le_defconfig 3202adc48a6SMichael Ellermanppc64le_defconfig: 3212adc48a6SMichael Ellerman $(call merge_into_defconfig,ppc64_defconfig,le) 3222adc48a6SMichael Ellerman 3233603c52fSMichael EllermanPHONY += powernv_be_defconfig 3243603c52fSMichael Ellermanpowernv_be_defconfig: 3253603c52fSMichael Ellerman $(call merge_into_defconfig,powernv_defconfig,be) 3263603c52fSMichael Ellerman 32744d54014SScott WoodPHONY += mpc85xx_defconfig 32844d54014SScott Woodmpc85xx_defconfig: 32944d54014SScott Wood $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ 33044d54014SScott Wood 85xx-32bit 85xx-hw fsl-emb-nonhw) 33144d54014SScott Wood 33244d54014SScott WoodPHONY += mpc85xx_smp_defconfig 33344d54014SScott Woodmpc85xx_smp_defconfig: 33444d54014SScott Wood $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ 33544d54014SScott Wood 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) 33644d54014SScott Wood 33744d54014SScott WoodPHONY += corenet32_smp_defconfig 33844d54014SScott Woodcorenet32_smp_defconfig: 33944d54014SScott Wood $(call merge_into_defconfig,corenet_basic_defconfig,\ 340e0b80f00SClaudiu Manoil 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa) 34144d54014SScott Wood 34244d54014SScott WoodPHONY += corenet64_smp_defconfig 34344d54014SScott Woodcorenet64_smp_defconfig: 34444d54014SScott Wood $(call merge_into_defconfig,corenet_basic_defconfig,\ 345e0b80f00SClaudiu Manoil 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa) 34644d54014SScott Wood 34743de32c5SAlessio Igor BoganiPHONY += mpc86xx_defconfig 34843de32c5SAlessio Igor Boganimpc86xx_defconfig: 34943de32c5SAlessio Igor Bogani $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ 35043de32c5SAlessio Igor Bogani 86xx-hw fsl-emb-nonhw) 35143de32c5SAlessio Igor Bogani 35243de32c5SAlessio Igor BoganiPHONY += mpc86xx_smp_defconfig 35343de32c5SAlessio Igor Boganimpc86xx_smp_defconfig: 35443de32c5SAlessio Igor Bogani $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ 35543de32c5SAlessio Igor Bogani 86xx-smp 86xx-hw fsl-emb-nonhw) 35643de32c5SAlessio Igor Bogani 3578db0c9d4SMichael EllermanPHONY += ppc32_allmodconfig 3588db0c9d4SMichael Ellermanppc32_allmodconfig: 3598db0c9d4SMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/book3s_32.config \ 3608db0c9d4SMichael Ellerman -f $(srctree)/Makefile allmodconfig 3618db0c9d4SMichael 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 36764de5d8dSMichael EllermanPHONY += ppc64_book3e_allmodconfig 36864de5d8dSMichael Ellermanppc64_book3e_allmodconfig: 36964de5d8dSMichael Ellerman $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/85xx-64bit.config \ 37064de5d8dSMichael Ellerman -f $(srctree)/Makefile allmodconfig 37164de5d8dSMichael Ellerman 37214cf11afSPaul Mackerrasdefine archhelp 37370bf0333SGrant Likely @echo '* zImage - Build default images selected by kernel config' 37470bf0333SGrant Likely @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' 37570bf0333SGrant Likely @echo ' uImage - U-Boot native image format' 37670bf0333SGrant Likely @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' 37770bf0333SGrant Likely @echo ' versions which do not support device trees' 37870bf0333SGrant Likely @echo ' dtbImage.<dt> - zImage with an embedded device tree blob' 37970bf0333SGrant Likely @echo ' simpleImage.<dt> - Firmware independent image.' 38070bf0333SGrant Likely @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)' 38114cf11afSPaul Mackerras @echo ' install - Install kernel using' 382caa27b66SSam Ravnborg @echo ' (your) ~/bin/$(INSTALLKERNEL) or' 383caa27b66SSam Ravnborg @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 38414cf11afSPaul Mackerras @echo ' install to $$(INSTALL_PATH) and run lilo' 385437a58dbSPaul Mackerras @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' 38670bf0333SGrant Likely @echo '' 38770bf0333SGrant Likely @echo ' Targets with <dt> embed a device tree blob inside the image' 38870bf0333SGrant Likely @echo ' These targets support board with firmware that does not' 38970bf0333SGrant Likely @echo ' support passing a device tree directly. Replace <dt> with the' 39070bf0333SGrant Likely @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory' 39170bf0333SGrant Likely @echo ' (minus the .dts extension).' 39214cf11afSPaul Mackerrasendef 39314cf11afSPaul Mackerras 3943f85d63eSSam Ravnborginstall: 39525431333SGrant Likely $(Q)$(MAKE) $(build)=$(boot) install 396928370c6SAkinobu Mita 3978150caadSRoland McGrathvdso_install: 398badf436fSRodrigo R. Galvaoifdef CONFIG_PPC64 3998150caadSRoland McGrath $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ 4008150caadSRoland McGrathendif 4018150caadSRoland McGrath $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ 4028150caadSRoland McGrath 40314cf11afSPaul Mackerrasarchclean: 404a3a9e99eSPaul Mackerras $(Q)$(MAKE) $(clean)=$(boot) 40570567293SAndreas Gruenbacher 40614cf11afSPaul Mackerrasarchprepare: checkbin 40714cf11afSPaul Mackerras 408c3ff2a51SChristophe Leroyifdef CONFIG_STACKPROTECTOR 409c3ff2a51SChristophe Leroyprepare: stack_protector_prepare 410c3ff2a51SChristophe Leroy 411c3ff2a51SChristophe Leroystack_protector_prepare: prepare0 41206ec27aeSChristophe Leroyifdef CONFIG_PPC64 41306ec27aeSChristophe Leroy $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "PACA_CANARY") print $$3;}' include/generated/asm-offsets.h)) 41406ec27aeSChristophe Leroyelse 415c3ff2a51SChristophe Leroy $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "TASK_CANARY") print $$3;}' include/generated/asm-offsets.h)) 416c3ff2a51SChristophe Leroyendif 41706ec27aeSChristophe Leroyendif 418c3ff2a51SChristophe Leroy 419f2910f0eSNicholas Piggin# Check toolchain versions: 420f2910f0eSNicholas Piggin# - gcc-4.6 is the minimum kernel-wide version so nothing required. 42114cf11afSPaul Mackerrascheckbin: 42260e065f7SMichael Ellerman @if test "x${CONFIG_CPU_LITTLE_ENDIAN}" = "xy" \ 42360e065f7SMichael Ellerman && $(LD) --version | head -1 | grep ' 2\.24$$' >/dev/null ; then \ 42460e065f7SMichael Ellerman echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \ 42560e065f7SMichael Ellerman echo 'in some circumstances.' ; \ 42660e065f7SMichael Ellerman echo -n '*** Please use a different binutils version.' ; \ 42760e065f7SMichael Ellerman false ; \ 42860e065f7SMichael Ellerman fi 429