Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 1 | # This file is included by the global makefile so that you can add your own |
| 2 | # architecture-specific flags and dependencies. Remember to do have actions |
| 3 | # for "archclean" and "archdep" for cleaning up and making dependencies for |
| 4 | # this architecture. |
| 5 | # |
| 6 | # This file is subject to the terms and conditions of the GNU General Public |
| 7 | # License. See the file "COPYING" in the main directory of this archive |
| 8 | # for more details. |
| 9 | # |
| 10 | # Copyright (C) 1994 by Linus Torvalds |
| 11 | # Changes for PPC by Gary Thomas |
| 12 | # Rewritten by Cort Dougan and Paul Mackerras |
| 13 | # |
| 14 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 15 | HAS_BIARCH := $(call cc-option-yn, -m32) |
| 16 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 17 | # Set default 32 bits cross compilers for vdso and boot wrapper |
| 18 | CROSS32_COMPILE ?= |
| 19 | |
| 20 | CROSS32CC := $(CROSS32_COMPILE)gcc |
Paul Mackerras | 2bf1181 | 2006-09-27 22:47:03 +1000 | [diff] [blame] | 21 | CROSS32AR := $(CROSS32_COMPILE)ar |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 22 | |
| 23 | ifeq ($(HAS_BIARCH),y) |
| 24 | ifeq ($(CROSS32_COMPILE),) |
| 25 | CROSS32CC := $(CC) -m32 |
Segher Boessenkool | 8995ac8 | 2007-05-16 22:34:38 +1000 | [diff] [blame] | 26 | CROSS32AR := GNUTARGET=elf32-powerpc $(AR) |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 27 | endif |
| 28 | endif |
| 29 | |
Segher Boessenkool | 1976aef | 2008-06-08 09:42:52 +1000 | [diff] [blame] | 30 | export CROSS32CC CROSS32AR |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 31 | |
Adrian Bunk | ca786f8 | 2007-10-02 13:30:09 -0700 | [diff] [blame] | 32 | ifeq ($(CROSS_COMPILE),) |
Paul Mackerras | 8a5abdf | 2005-11-18 16:39:08 +1100 | [diff] [blame] | 33 | KBUILD_DEFCONFIG := $(shell uname -m)_defconfig |
Adrian Bunk | ca786f8 | 2007-10-02 13:30:09 -0700 | [diff] [blame] | 34 | else |
| 35 | KBUILD_DEFCONFIG := ppc64_defconfig |
| 36 | endif |
Paul Mackerras | 8a5abdf | 2005-11-18 16:39:08 +1100 | [diff] [blame] | 37 | |
Paul Mackerras | 94b212c | 2005-11-16 13:38:21 +1100 | [diff] [blame] | 38 | ifeq ($(CONFIG_PPC64),y) |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 39 | new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) |
| 40 | |
| 41 | ifeq ($(new_nm),y) |
| 42 | NM := $(NM) --synthetic |
| 43 | endif |
Anton Blanchard | a058801 | 2013-09-23 12:04:53 +1000 | [diff] [blame] | 44 | endif |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 45 | |
Anton Blanchard | a058801 | 2013-09-23 12:04:53 +1000 | [diff] [blame] | 46 | ifeq ($(CONFIG_PPC64),y) |
| 47 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
| 48 | OLDARCH := ppc64le |
| 49 | else |
| 50 | OLDARCH := ppc64 |
| 51 | endif |
| 52 | else |
| 53 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
| 54 | OLDARCH := ppcle |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 55 | else |
Stephen Rothwell | bbeb3f4 | 2005-09-27 13:51:59 +1000 | [diff] [blame] | 56 | OLDARCH := ppc |
Stephen Rothwell | 2578bfa | 2007-09-21 10:16:20 +1000 | [diff] [blame] | 57 | endif |
Anton Blanchard | a058801 | 2013-09-23 12:04:53 +1000 | [diff] [blame] | 58 | endif |
Stephen Rothwell | 2578bfa | 2007-09-21 10:16:20 +1000 | [diff] [blame] | 59 | |
| 60 | # It seems there are times we use this Makefile without |
| 61 | # including the config file, but this replicates the old behaviour |
| 62 | ifeq ($(CONFIG_WORD_SIZE),) |
| 63 | CONFIG_WORD_SIZE := 32 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 64 | endif |
| 65 | |
Stephen Rothwell | 190554d | 2005-10-13 16:14:15 +1000 | [diff] [blame] | 66 | UTS_MACHINE := $(OLDARCH) |
| 67 | |
Ian Munsie | d72b080 | 2013-09-23 12:05:11 +1000 | [diff] [blame] | 68 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
Anton Blanchard | 92d6cf2 | 2015-05-26 08:53:28 +1000 | [diff] [blame] | 69 | override CC += -mlittle-endian |
Michal Marek | 5631d9c | 2015-08-19 17:36:41 +0200 | [diff] [blame] | 70 | ifneq ($(cc-name),clang) |
Anton Blanchard | 92d6cf2 | 2015-05-26 08:53:28 +1000 | [diff] [blame] | 71 | override CC += -mno-strict-align |
| 72 | endif |
Ian Munsie | d72b080 | 2013-09-23 12:05:11 +1000 | [diff] [blame] | 73 | override AS += -mlittle-endian |
| 74 | override LD += -EL |
| 75 | override CROSS32CC += -mlittle-endian |
| 76 | override CROSS32AS += -mlittle-endian |
| 77 | LDEMULATION := lppc |
| 78 | GNUTARGET := powerpcle |
| 79 | MULTIPLEWORD := -mno-multiple |
Tony Breeds | d3d35d9 | 2014-03-12 15:12:01 +1100 | [diff] [blame] | 80 | KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-save-toc-indirect) |
Ian Munsie | d72b080 | 2013-09-23 12:05:11 +1000 | [diff] [blame] | 81 | else |
Michael Neuling | 924dd50 | 2013-11-21 14:59:07 +1100 | [diff] [blame] | 82 | ifeq ($(call cc-option-yn,-mbig-endian),y) |
Ian Munsie | d72b080 | 2013-09-23 12:05:11 +1000 | [diff] [blame] | 83 | override CC += -mbig-endian |
| 84 | override AS += -mbig-endian |
Michael Neuling | 924dd50 | 2013-11-21 14:59:07 +1100 | [diff] [blame] | 85 | endif |
Ian Munsie | d72b080 | 2013-09-23 12:05:11 +1000 | [diff] [blame] | 86 | override LD += -EB |
| 87 | LDEMULATION := ppc |
| 88 | GNUTARGET := powerpc |
| 89 | MULTIPLEWORD := -mmultiple |
| 90 | endif |
| 91 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 92 | ifeq ($(HAS_BIARCH),y) |
Stephen Rothwell | 2578bfa | 2007-09-21 10:16:20 +1000 | [diff] [blame] | 93 | override AS += -a$(CONFIG_WORD_SIZE) |
Ian Munsie | d72b080 | 2013-09-23 12:05:11 +1000 | [diff] [blame] | 94 | override LD += -m elf$(CONFIG_WORD_SIZE)$(LDEMULATION) |
Stephen Rothwell | 2578bfa | 2007-09-21 10:16:20 +1000 | [diff] [blame] | 95 | override CC += -m$(CONFIG_WORD_SIZE) |
Ian Munsie | d72b080 | 2013-09-23 12:05:11 +1000 | [diff] [blame] | 96 | override AR := GNUTARGET=elf$(CONFIG_WORD_SIZE)-$(GNUTARGET) $(AR) |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 97 | endif |
| 98 | |
Suzuki Poulose | 9c5f7d3 | 2011-12-14 22:58:12 +0000 | [diff] [blame] | 99 | LDFLAGS_vmlinux-y := -Bstatic |
| 100 | LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie |
| 101 | LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 102 | |
Anton Blanchard | 1fbe9cf | 2012-11-26 17:41:08 +0000 | [diff] [blame] | 103 | ifeq ($(CONFIG_PPC64),y) |
| 104 | ifeq ($(call cc-option-yn,-mcmodel=medium),y) |
| 105 | # -mcmodel=medium breaks modules because it uses 32bit offsets from |
| 106 | # the TOC pointer to create pointers where possible. Pointers into the |
| 107 | # percpu data area are created by this method. |
| 108 | # |
| 109 | # The kernel module loader relocates the percpu data section from the |
| 110 | # original location (starting with 0xd...) to somewhere in the base |
| 111 | # kernel percpu data space (starting with 0xc...). We need a full |
| 112 | # 64bit relocation for this to work, hence -mcmodel=large. |
| 113 | KBUILD_CFLAGS_MODULE += -mcmodel=large |
| 114 | else |
| 115 | export NO_MINIMAL_TOC := -mno-minimal-toc |
| 116 | endif |
| 117 | endif |
| 118 | |
Anton Blanchard | a50a862 | 2015-05-26 08:53:27 +1000 | [diff] [blame] | 119 | CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no) |
Anton Blanchard | 721aeaa | 2014-03-10 21:06:12 +1100 | [diff] [blame] | 120 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
Anton Blanchard | 238abec | 2015-05-26 08:53:29 +1000 | [diff] [blame] | 121 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) |
Anton Blanchard | 721aeaa | 2014-03-10 21:06:12 +1100 | [diff] [blame] | 122 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2) |
| 123 | else |
Anton Blanchard | 238abec | 2015-05-26 08:53:29 +1000 | [diff] [blame] | 124 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc) |
Anton Blanchard | 721aeaa | 2014-03-10 21:06:12 +1100 | [diff] [blame] | 125 | endif |
Anton Blanchard | 238abec | 2015-05-26 08:53:29 +1000 | [diff] [blame] | 126 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc)) |
Anton Blanchard | 98679fb | 2012-12-12 14:43:12 +0000 | [diff] [blame] | 127 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions) |
Ian Munsie | d72b080 | 2013-09-23 12:05:11 +1000 | [diff] [blame] | 128 | CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 $(MULTIPLEWORD) |
Anton Blanchard | d23c6fb | 2012-04-17 18:45:28 +0000 | [diff] [blame] | 129 | |
Scott Wood | 01718ba | 2013-08-20 19:55:36 -0500 | [diff] [blame] | 130 | ifeq ($(CONFIG_PPC_BOOK3S_64),y) |
Anton Blanchard | d23c6fb | 2012-04-17 18:45:28 +0000 | [diff] [blame] | 131 | CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,-mtune=power4) |
Scott Wood | 01718ba | 2013-08-20 19:55:36 -0500 | [diff] [blame] | 132 | else |
| 133 | CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 |
| 134 | endif |
| 135 | |
Torsten Duwe | 8c50b72 | 2016-03-03 15:27:00 +1100 | [diff] [blame] | 136 | ifdef CONFIG_MPROFILE_KERNEL |
| 137 | ifeq ($(shell $(srctree)/arch/powerpc/scripts/gcc-check-mprofile-kernel.sh $(CC) -I$(srctree)/include -D__KERNEL__),OK) |
| 138 | CC_FLAGS_FTRACE := -pg -mprofile-kernel |
| 139 | KBUILD_CPPFLAGS += -DCC_USING_MPROFILE_KERNEL |
| 140 | else |
| 141 | # If the user asked for mprofile-kernel but the toolchain doesn't |
| 142 | # support it, emit a warning and deliberately break the build later |
| 143 | # with mprofile-kernel-not-supported. We would prefer to make this an |
| 144 | # error right here, but then the user would never be able to run |
| 145 | # oldconfig to change their configuration. |
| 146 | $(warning Compiler does not support mprofile-kernel, set CONFIG_DISABLE_MPROFILE_KERNEL) |
| 147 | CC_FLAGS_FTRACE := -mprofile-kernel-not-supported |
| 148 | endif |
| 149 | endif |
| 150 | |
Anton Blanchard | d23c6fb | 2012-04-17 18:45:28 +0000 | [diff] [blame] | 151 | CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell) |
| 152 | CFLAGS-$(CONFIG_POWER4_CPU) += $(call cc-option,-mcpu=power4) |
| 153 | CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5) |
| 154 | CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6) |
| 155 | CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7) |
Anton Blanchard | ff2e466 | 2014-09-16 10:47:49 +1000 | [diff] [blame] | 156 | CFLAGS-$(CONFIG_POWER8_CPU) += $(call cc-option,-mcpu=power8) |
Anton Blanchard | d23c6fb | 2012-04-17 18:45:28 +0000 | [diff] [blame] | 157 | |
Tiejun Chen | cbf8a35 | 2013-11-22 10:49:00 +0800 | [diff] [blame] | 158 | # Altivec option not allowed with e500mc64 in GCC. |
| 159 | ifeq ($(CONFIG_ALTIVEC),y) |
| 160 | E5500_CPU := -mcpu=powerpc64 |
| 161 | else |
Scott Wood | 01718ba | 2013-08-20 19:55:36 -0500 | [diff] [blame] | 162 | E5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64) |
Tiejun Chen | cbf8a35 | 2013-11-22 10:49:00 +0800 | [diff] [blame] | 163 | endif |
Scott Wood | 01718ba | 2013-08-20 19:55:36 -0500 | [diff] [blame] | 164 | CFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU) |
| 165 | CFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU)) |
| 166 | |
Scott Wood | 847f56b | 2013-08-15 19:19:10 -0500 | [diff] [blame] | 167 | ifeq ($(CONFIG_PPC32),y) |
| 168 | ifeq ($(CONFIG_PPC_E500MC),y) |
| 169 | CFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc) |
| 170 | else |
| 171 | CFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc) |
| 172 | endif |
| 173 | endif |
| 174 | |
Guenter Roeck | 7998eb3 | 2014-05-15 09:33:42 -0700 | [diff] [blame] | 175 | asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) |
| 176 | |
| 177 | KBUILD_CPPFLAGS += -Iarch/$(ARCH) $(asinstr) |
Anton Blanchard | 58aedccb | 2014-04-23 10:02:04 +1000 | [diff] [blame] | 178 | KBUILD_AFLAGS += -Iarch/$(ARCH) $(AFLAGS-y) |
Anton Blanchard | a50a862 | 2015-05-26 08:53:27 +1000 | [diff] [blame] | 179 | KBUILD_CFLAGS += $(call cc-option,-msoft-float) |
| 180 | KBUILD_CFLAGS += -pipe -Iarch/$(ARCH) $(CFLAGS-y) |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 181 | CPP = $(CC) -E $(KBUILD_CFLAGS) |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 182 | |
Stephen Rothwell | 2578bfa | 2007-09-21 10:16:20 +1000 | [diff] [blame] | 183 | CHECKFLAGS += -m$(CONFIG_WORD_SIZE) -D__powerpc__ -D__powerpc$(CONFIG_WORD_SIZE)__ |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 184 | |
Michal Marek | 772320e | 2010-08-04 13:59:13 +0200 | [diff] [blame] | 185 | KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o |
Stephen Rothwell | 7fca5dc | 2010-06-29 20:08:42 +0000 | [diff] [blame] | 186 | |
Alistair Popple | d5b35cf | 2014-02-24 18:00:56 +1100 | [diff] [blame] | 187 | ifeq ($(CONFIG_476FPE_ERR46),y) |
| 188 | KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ |
| 189 | -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds |
| 190 | endif |
| 191 | |
Anton Blanchard | d23c6fb | 2012-04-17 18:45:28 +0000 | [diff] [blame] | 192 | # No AltiVec or VSX instructions when building kernel |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 193 | KBUILD_CFLAGS += $(call cc-option,-mno-altivec) |
Anton Blanchard | d23c6fb | 2012-04-17 18:45:28 +0000 | [diff] [blame] | 194 | KBUILD_CFLAGS += $(call cc-option,-mno-vsx) |
Paul Mackerras | d3f67fb | 2005-10-29 15:31:17 +1000 | [diff] [blame] | 195 | |
Kumar Gala | 0197cd2 | 2007-10-18 16:53:19 -0500 | [diff] [blame] | 196 | # No SPE instruction when building kernel |
Thiemo Seufer | ce400c0 | 2008-09-02 00:23:02 +1000 | [diff] [blame] | 197 | # (We use all available options to help semi-broken compilers) |
Kumar Gala | 0197cd2 | 2007-10-18 16:53:19 -0500 | [diff] [blame] | 198 | KBUILD_CFLAGS += $(call cc-option,-mno-spe) |
Thiemo Seufer | ce400c0 | 2008-09-02 00:23:02 +1000 | [diff] [blame] | 199 | KBUILD_CFLAGS += $(call cc-option,-mspe=no) |
Kumar Gala | 0197cd2 | 2007-10-18 16:53:19 -0500 | [diff] [blame] | 200 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 201 | # Enable unit-at-a-time mode when possible. It shrinks the |
| 202 | # kernel considerably. |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 203 | KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 204 | |
Andi Kleen | d0679c7 | 2010-02-02 14:40:02 -0800 | [diff] [blame] | 205 | # FIXME: the module load should be taught about the additional relocs |
| 206 | # generated by this. |
| 207 | # revert to pre-gcc-4.4 behaviour of .eh_frame |
| 208 | KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) |
| 209 | |
Benjamin Herrenschmidt | 57647a4 | 2007-03-22 17:23:44 +1100 | [diff] [blame] | 210 | # Never use string load/store instructions as they are |
| 211 | # often slow when they are implemented at all |
Anton Blanchard | a50a862 | 2015-05-26 08:53:27 +1000 | [diff] [blame] | 212 | KBUILD_CFLAGS += $(call cc-option,-mno-string) |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 213 | |
Olaf Hering | f48b829 | 2006-04-11 20:42:08 +0200 | [diff] [blame] | 214 | ifeq ($(CONFIG_6xx),y) |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 215 | KBUILD_CFLAGS += -mcpu=powerpc |
Olaf Hering | f48b829 | 2006-04-11 20:42:08 +0200 | [diff] [blame] | 216 | endif |
| 217 | |
Tony Breeds | 7563dc6 | 2008-09-02 16:50:38 +1000 | [diff] [blame] | 218 | # Work around a gcc code-gen bug with -fno-omit-frame-pointer. |
Steven Rostedt | 606576c | 2008-10-06 19:06:12 -0400 | [diff] [blame] | 219 | ifeq ($(CONFIG_FUNCTION_TRACER),y) |
Tony Breeds | 7563dc6 | 2008-09-02 16:50:38 +1000 | [diff] [blame] | 220 | KBUILD_CFLAGS += -mno-sched-epilog |
| 221 | endif |
| 222 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 223 | cpu-as-$(CONFIG_4xx) += -Wa,-m405 |
Matthew McClintock | e1fc235 | 2010-09-07 08:56:55 +0000 | [diff] [blame] | 224 | cpu-as-$(CONFIG_ALTIVEC) += -Wa,-maltivec |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 225 | cpu-as-$(CONFIG_E200) += -Wa,-me200 |
| 226 | |
Sam Ravnborg | 222d394 | 2007-10-15 21:59:31 +0200 | [diff] [blame] | 227 | KBUILD_AFLAGS += $(cpu-as-y) |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 228 | KBUILD_CFLAGS += $(cpu-as-y) |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 229 | |
Stephen Rothwell | 2578bfa | 2007-09-21 10:16:20 +1000 | [diff] [blame] | 230 | head-y := arch/powerpc/kernel/head_$(CONFIG_WORD_SIZE).o |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 231 | head-$(CONFIG_8xx) := arch/powerpc/kernel/head_8xx.o |
Josh Boyer | 15f6527 | 2007-08-20 07:27:07 -0500 | [diff] [blame] | 232 | head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 233 | head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o |
| 234 | head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o |
| 235 | |
Paul Mackerras | 9994a33 | 2005-10-10 22:36:14 +1000 | [diff] [blame] | 236 | head-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 237 | head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o |
Benjamin Herrenschmidt | e821ea7 | 2009-06-02 21:17:37 +0000 | [diff] [blame] | 238 | head-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o |
Anton Blanchard | 5ac47f7 | 2012-11-26 17:39:03 +0000 | [diff] [blame] | 239 | head-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += arch/powerpc/kernel/prom_init.o |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 240 | |
Paul Mackerras | daec962 | 2005-10-10 22:25:26 +1000 | [diff] [blame] | 241 | core-y += arch/powerpc/kernel/ \ |
Paul Mackerras | daec962 | 2005-10-10 22:25:26 +1000 | [diff] [blame] | 242 | arch/powerpc/mm/ \ |
| 243 | arch/powerpc/lib/ \ |
| 244 | arch/powerpc/sysdev/ \ |
Liu Yu | 1a3d1fc | 2009-03-10 11:09:49 +0800 | [diff] [blame] | 245 | arch/powerpc/platforms/ \ |
Matt Evans | 0ca87f0 | 2011-07-20 15:51:00 +0000 | [diff] [blame] | 246 | arch/powerpc/math-emu/ \ |
Michael Ellerman | 323a6bf | 2012-09-13 23:00:49 +0000 | [diff] [blame] | 247 | arch/powerpc/crypto/ \ |
Matt Evans | 0ca87f0 | 2011-07-20 15:51:00 +0000 | [diff] [blame] | 248 | arch/powerpc/net/ |
Paul Mackerras | f78541d | 2005-10-28 22:53:37 +1000 | [diff] [blame] | 249 | core-$(CONFIG_XMON) += arch/powerpc/xmon/ |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 250 | core-$(CONFIG_KVM) += arch/powerpc/kvm/ |
Michael Ellerman | f269949 | 2012-02-20 17:02:09 +0000 | [diff] [blame] | 251 | core-$(CONFIG_PERF_EVENTS) += arch/powerpc/perf/ |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 252 | |
| 253 | drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ |
| 254 | |
Tom Rini | 135f0b1 | 2006-01-12 16:55:58 -0700 | [diff] [blame] | 255 | # Default to zImage, override when needed |
Grant Likely | 2543133 | 2008-02-07 05:18:34 +1100 | [diff] [blame] | 256 | all: zImage |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 257 | |
Sam Ravnborg | e32e78c | 2010-08-02 20:47:48 +0000 | [diff] [blame] | 258 | # With make 3.82 we cannot mix normal and wildcard targets |
Anatolij Gustschin | c686ecf | 2010-08-15 22:26:56 +0000 | [diff] [blame] | 259 | BOOT_TARGETS1 := zImage zImage.initrd uImage |
Benjamin Herrenschmidt | 11eab297 | 2011-12-01 19:35:08 +0000 | [diff] [blame] | 260 | BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 261 | |
Sam Ravnborg | e32e78c | 2010-08-02 20:47:48 +0000 | [diff] [blame] | 262 | PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 263 | |
Paul Mackerras | 94b212c | 2005-11-16 13:38:21 +1100 | [diff] [blame] | 264 | boot := arch/$(ARCH)/boot |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 265 | |
Tony Breeds | 144ef90 | 2009-09-14 19:57:02 +0000 | [diff] [blame] | 266 | ifeq ($(CONFIG_RELOCATABLE),y) |
| 267 | quiet_cmd_relocs_check = CALL $< |
Stephen Rothwell | a71aa05 | 2015-03-18 16:46:16 +1100 | [diff] [blame] | 268 | cmd_relocs_check = $(CONFIG_SHELL) $< "$(OBJDUMP)" "$(obj)/vmlinux" |
Tony Breeds | 144ef90 | 2009-09-14 19:57:02 +0000 | [diff] [blame] | 269 | |
| 270 | PHONY += relocs_check |
Stephen Rothwell | a71aa05 | 2015-03-18 16:46:16 +1100 | [diff] [blame] | 271 | relocs_check: arch/powerpc/relocs_check.sh vmlinux |
Tony Breeds | 144ef90 | 2009-09-14 19:57:02 +0000 | [diff] [blame] | 272 | $(call cmd,relocs_check) |
| 273 | |
| 274 | zImage: relocs_check |
| 275 | endif |
| 276 | |
Sam Ravnborg | e32e78c | 2010-08-02 20:47:48 +0000 | [diff] [blame] | 277 | $(BOOT_TARGETS1): vmlinux |
| 278 | $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
| 279 | $(BOOT_TARGETS2): vmlinux |
Paul Mackerras | 20f6295 | 2005-10-11 09:25:40 +1000 | [diff] [blame] | 280 | $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 281 | |
Sam Ravnborg | e32e78c | 2010-08-02 20:47:48 +0000 | [diff] [blame] | 282 | |
| 283 | bootwrapper_install: |
| 284 | $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
| 285 | |
Matthew McClintock | 8662d0b | 2012-09-18 09:50:55 +0000 | [diff] [blame] | 286 | %.dtb: scripts |
David Woodhouse | 773f76b | 2007-12-03 13:56:58 +1100 | [diff] [blame] | 287 | $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
| 288 | |
Cyril Bur | ea4d1a8 | 2015-05-26 11:36:57 +1000 | [diff] [blame] | 289 | # Used to create 'merged defconfigs' |
| 290 | # To use it $(call) it with the first argument as the base defconfig |
| 291 | # and the second argument as a space separated list of .config files to merge, |
| 292 | # without the .config suffix. |
| 293 | define merge_into_defconfig |
| 294 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ |
| 295 | -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \ |
| 296 | $(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config) |
| 297 | +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
| 298 | endef |
| 299 | |
| 300 | PHONY += pseries_le_defconfig |
| 301 | pseries_le_defconfig: |
| 302 | $(call merge_into_defconfig,pseries_defconfig,le) |
| 303 | |
Michael Ellerman | 2adc48a | 2015-09-23 15:40:35 +1000 | [diff] [blame] | 304 | PHONY += ppc64le_defconfig |
| 305 | ppc64le_defconfig: |
| 306 | $(call merge_into_defconfig,ppc64_defconfig,le) |
| 307 | |
Scott Wood | 44d5401 | 2015-07-29 18:14:04 -0500 | [diff] [blame] | 308 | PHONY += mpc85xx_defconfig |
| 309 | mpc85xx_defconfig: |
| 310 | $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ |
| 311 | 85xx-32bit 85xx-hw fsl-emb-nonhw) |
| 312 | |
| 313 | PHONY += mpc85xx_smp_defconfig |
| 314 | mpc85xx_smp_defconfig: |
| 315 | $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ |
| 316 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) |
| 317 | |
| 318 | PHONY += corenet32_smp_defconfig |
| 319 | corenet32_smp_defconfig: |
| 320 | $(call merge_into_defconfig,corenet_basic_defconfig,\ |
| 321 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) |
| 322 | |
| 323 | PHONY += corenet64_smp_defconfig |
| 324 | corenet64_smp_defconfig: |
| 325 | $(call merge_into_defconfig,corenet_basic_defconfig,\ |
| 326 | 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw) |
| 327 | |
Alessio Igor Bogani | 43de32c5 | 2016-02-22 10:26:14 +0100 | [diff] [blame] | 328 | PHONY += mpc86xx_defconfig |
| 329 | mpc86xx_defconfig: |
| 330 | $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ |
| 331 | 86xx-hw fsl-emb-nonhw) |
| 332 | |
| 333 | PHONY += mpc86xx_smp_defconfig |
| 334 | mpc86xx_smp_defconfig: |
| 335 | $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ |
| 336 | 86xx-smp 86xx-hw fsl-emb-nonhw) |
| 337 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 338 | define archhelp |
Grant Likely | 70bf033 | 2008-06-25 13:14:36 -0700 | [diff] [blame] | 339 | @echo '* zImage - Build default images selected by kernel config' |
| 340 | @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' |
| 341 | @echo ' uImage - U-Boot native image format' |
| 342 | @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' |
| 343 | @echo ' versions which do not support device trees' |
| 344 | @echo ' dtbImage.<dt> - zImage with an embedded device tree blob' |
| 345 | @echo ' simpleImage.<dt> - Firmware independent image.' |
| 346 | @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)' |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 347 | @echo ' install - Install kernel using' |
Sam Ravnborg | caa27b6 | 2009-07-20 21:37:11 +0200 | [diff] [blame] | 348 | @echo ' (your) ~/bin/$(INSTALLKERNEL) or' |
| 349 | @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 350 | @echo ' install to $$(INSTALL_PATH) and run lilo' |
Paul Mackerras | 437a58d | 2005-11-18 15:43:34 +1100 | [diff] [blame] | 351 | @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' |
Grant Likely | 70bf033 | 2008-06-25 13:14:36 -0700 | [diff] [blame] | 352 | @echo '' |
| 353 | @echo ' Targets with <dt> embed a device tree blob inside the image' |
| 354 | @echo ' These targets support board with firmware that does not' |
| 355 | @echo ' support passing a device tree directly. Replace <dt> with the' |
| 356 | @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory' |
| 357 | @echo ' (minus the .dts extension).' |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 358 | endef |
| 359 | |
Sam Ravnborg | 3f85d63 | 2008-02-16 12:36:10 +0100 | [diff] [blame] | 360 | install: |
Grant Likely | 2543133 | 2008-02-07 05:18:34 +1100 | [diff] [blame] | 361 | $(Q)$(MAKE) $(build)=$(boot) install |
Akinobu Mita | 928370c | 2007-04-10 21:05:31 +1000 | [diff] [blame] | 362 | |
Roland McGrath | 8150caa | 2007-10-02 13:30:04 -0700 | [diff] [blame] | 363 | vdso_install: |
| 364 | ifeq ($(CONFIG_PPC64),y) |
| 365 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ |
| 366 | endif |
| 367 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ |
| 368 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 369 | archclean: |
Paul Mackerras | a3a9e99 | 2005-09-28 15:53:36 +1000 | [diff] [blame] | 370 | $(Q)$(MAKE) $(clean)=$(boot) |
Andreas Gruenbacher | 7056729 | 2006-02-10 01:51:07 -0800 | [diff] [blame] | 371 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 372 | archprepare: checkbin |
| 373 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 374 | # Use the file '.tmp_gas_check' for binutils tests, as gas won't output |
| 375 | # to stdout and these checks are run even on install targets. |
| 376 | TOUT := .tmp_gas_check |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 377 | |
Anton Blanchard | 82a8508 | 2012-04-17 18:42:54 +0000 | [diff] [blame] | 378 | # Check gcc and binutils versions: |
| 379 | # - gcc-3.4 and binutils-2.14 are a fatal combination |
| 380 | # - Require gcc 4.0 or above on 64-bit |
| 381 | # - gcc-4.2.0 has issues compiling modules on 64-bit |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 382 | checkbin: |
Michal Marek | 5631d9c | 2015-08-19 17:36:41 +0200 | [diff] [blame] | 383 | @if test "$(cc-name)" != "clang" \ |
Michael Ellerman | e79c838 | 2015-04-21 22:26:57 +1000 | [diff] [blame] | 384 | && test "$(cc-version)" = "0304" ; then \ |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 385 | if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \ |
| 386 | echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \ |
| 387 | echo 'correctly with gcc-3.4 and your version of binutils.'; \ |
| 388 | echo '*** Please upgrade your binutils or downgrade your gcc'; \ |
| 389 | false; \ |
| 390 | fi ; \ |
| 391 | fi |
Michal Marek | 5631d9c | 2015-08-19 17:36:41 +0200 | [diff] [blame] | 392 | @if test "$(cc-name)" != "clang" \ |
Michael Ellerman | e79c838 | 2015-04-21 22:26:57 +1000 | [diff] [blame] | 393 | && test "$(cc-version)" -lt "0400" \ |
Anton Blanchard | 82a8508 | 2012-04-17 18:42:54 +0000 | [diff] [blame] | 394 | && test "x${CONFIG_PPC64}" = "xy" ; then \ |
| 395 | echo -n "Sorry, GCC v4.0 or above is required to build " ; \ |
| 396 | echo "the 64-bit powerpc kernel." ; \ |
| 397 | false ; \ |
| 398 | fi |
Michal Marek | 5631d9c | 2015-08-19 17:36:41 +0200 | [diff] [blame] | 399 | @if test "$(cc-name)" != "clang" \ |
Michael Ellerman | e79c838 | 2015-04-21 22:26:57 +1000 | [diff] [blame] | 400 | && test "$(cc-fullversion)" = "040200" \ |
Segher Boessenkool | f5e83fa | 2007-05-19 18:49:08 +0200 | [diff] [blame] | 401 | && test "x${CONFIG_MODULES}${CONFIG_PPC64}" = "xyy" ; then \ |
| 402 | echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \ |
| 403 | echo 'kernel with modules enabled.' ; \ |
| 404 | echo -n '*** Please use a different GCC version or ' ; \ |
| 405 | echo 'disable kernel modules' ; \ |
| 406 | false ; \ |
| 407 | fi |
Michael Ellerman | 60e065f | 2015-04-23 17:27:12 +1000 | [diff] [blame] | 408 | @if test "x${CONFIG_CPU_LITTLE_ENDIAN}" = "xy" \ |
| 409 | && $(LD) --version | head -1 | grep ' 2\.24$$' >/dev/null ; then \ |
| 410 | echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \ |
| 411 | echo 'in some circumstances.' ; \ |
| 412 | echo -n '*** Please use a different binutils version.' ; \ |
| 413 | false ; \ |
| 414 | fi |
| 415 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 416 | |
| 417 | CLEAN_FILES += $(TOUT) |
| 418 | |