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14cf11af PM |
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 | ||
14cf11af PM |
15 | HAS_BIARCH := $(call cc-option-yn, -m32) |
16 | ||
14cf11af PM |
17 | # Set default 32 bits cross compilers for vdso and boot wrapper |
18 | CROSS32_COMPILE ?= | |
19 | ||
14cf11af PM |
20 | ifeq ($(HAS_BIARCH),y) |
21 | ifeq ($(CROSS32_COMPILE),) | |
4bf4f42a NP |
22 | ifdef CONFIG_PPC32 |
23 | # These options will be overridden by any -mcpu option that the CPU | |
24 | # or platform code sets later on the command line, but they are needed | |
25 | # to set a sane 32-bit cpu target for the 64-bit cross compiler which | |
26 | # may default to the wrong ISA. | |
27 | KBUILD_CFLAGS += -mcpu=powerpc | |
28 | KBUILD_AFLAGS += -mcpu=powerpc | |
29 | endif | |
14cf11af PM |
30 | endif |
31 | endif | |
32 | ||
ebd1d3b7 MM |
33 | ifdef CONFIG_PPC_BOOK3S_32 |
34 | KBUILD_CFLAGS += -mcpu=powerpc | |
35 | endif | |
36 | ||
af5cd05d ME |
37 | # If we're on a ppc/ppc64/ppc64le machine use that defconfig, otherwise just use |
38 | # ppc64_defconfig because we have nothing better to go on. | |
39 | uname := $(shell uname -m) | |
40 | KBUILD_DEFCONFIG := $(if $(filter ppc%,$(uname)),$(uname),ppc64)_defconfig | |
8a5abdf8 | 41 | |
14cf11af PM |
42 | new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) |
43 | ||
44 | ifeq ($(new_nm),y) | |
45 | NM := $(NM) --synthetic | |
46 | endif | |
47 | ||
68201fbb ME |
48 | # BITS is used as extension for files which are available in a 32 bit |
49 | # and a 64 bit version to simplify shared Makefiles. | |
50 | # e.g.: obj-y += foo_$(BITS).o | |
51 | export BITS | |
52 | ||
53 | ifdef CONFIG_PPC64 | |
54 | BITS := 64 | |
55 | else | |
56 | BITS := 32 | |
14cf11af PM |
57 | endif |
58 | ||
57073e27 ME |
59 | machine-y = ppc |
60 | machine-$(CONFIG_PPC64) += 64 | |
61 | machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le | |
62 | UTS_MACHINE := $(subst $(space),,$(machine-y)) | |
190554db | 63 | |
b40b2386 ME |
64 | # XXX This needs to be before we override LD below |
65 | ifdef CONFIG_PPC32 | |
66 | KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o | |
67 | else | |
052c805a | 68 | ifeq ($(call ld-ifversion, -ge, 22500, y),y) |
b40b2386 ME |
69 | # Have the linker provide sfpr if possible. |
70 | # There is a corresponding test in arch/powerpc/lib/Makefile | |
71 | KBUILD_LDFLAGS_MODULE += --save-restore-funcs | |
72 | else | |
73 | KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o | |
74 | endif | |
75 | endif | |
76 | ||
badf436f | 77 | ifdef CONFIG_CPU_LITTLE_ENDIAN |
1421dc6d | 78 | KBUILD_CFLAGS += -mlittle-endian |
d503ac53 | 79 | KBUILD_LDFLAGS += -EL |
d72b0801 IM |
80 | LDEMULATION := lppc |
81 | GNUTARGET := powerpcle | |
82 | MULTIPLEWORD := -mno-multiple | |
d3d35d95 | 83 | KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-save-toc-indirect) |
d72b0801 | 84 | else |
1421dc6d | 85 | KBUILD_CFLAGS += $(call cc-option,-mbig-endian) |
d503ac53 | 86 | KBUILD_LDFLAGS += -EB |
d72b0801 IM |
87 | LDEMULATION := ppc |
88 | GNUTARGET := powerpc | |
89 | MULTIPLEWORD := -mmultiple | |
90 | endif | |
91 | ||
4dc831aa | 92 | ifdef CONFIG_PPC64 |
465bfd9c | 93 | ifndef CONFIG_CC_IS_CLANG |
4dc831aa NP |
94 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) |
95 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mcall-aixdesc) | |
96 | aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) | |
97 | aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mabi=elfv2 | |
98 | endif | |
465bfd9c | 99 | endif |
4dc831aa | 100 | |
076f421d | 101 | ifndef CONFIG_CC_IS_CLANG |
164af597 ME |
102 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mno-strict-align |
103 | endif | |
104 | ||
1421dc6d NP |
105 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) |
106 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian | |
164af597 ME |
107 | aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) |
108 | aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian | |
109 | ||
14cf11af | 110 | ifeq ($(HAS_BIARCH),y) |
1421dc6d NP |
111 | KBUILD_CFLAGS += -m$(BITS) |
112 | KBUILD_AFLAGS += -m$(BITS) -Wl,-a$(BITS) | |
d503ac53 | 113 | KBUILD_LDFLAGS += -m elf$(BITS)$(LDEMULATION) |
14cf11af PM |
114 | endif |
115 | ||
c3ff2a51 | 116 | cflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard=tls |
06ec27ae CL |
117 | ifdef CONFIG_PPC64 |
118 | cflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r13 | |
119 | else | |
c3ff2a51 | 120 | cflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r2 |
06ec27ae | 121 | endif |
c3ff2a51 | 122 | |
9c5f7d39 SP |
123 | LDFLAGS_vmlinux-y := -Bstatic |
124 | LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie | |
03557853 | 125 | LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) += -z notext |
9c5f7d39 | 126 | LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) |
14cf11af | 127 | |
badf436f | 128 | ifdef CONFIG_PPC64 |
1fbe9cf2 AB |
129 | ifeq ($(call cc-option-yn,-mcmodel=medium),y) |
130 | # -mcmodel=medium breaks modules because it uses 32bit offsets from | |
131 | # the TOC pointer to create pointers where possible. Pointers into the | |
132 | # percpu data area are created by this method. | |
133 | # | |
134 | # The kernel module loader relocates the percpu data section from the | |
135 | # original location (starting with 0xd...) to somewhere in the base | |
136 | # kernel percpu data space (starting with 0xc...). We need a full | |
137 | # 64bit relocation for this to work, hence -mcmodel=large. | |
138 | KBUILD_CFLAGS_MODULE += -mcmodel=large | |
139 | else | |
140 | export NO_MINIMAL_TOC := -mno-minimal-toc | |
141 | endif | |
142 | endif | |
143 | ||
a50a862e | 144 | CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no) |
465bfd9c | 145 | ifndef CONFIG_CC_IS_CLANG |
badf436f | 146 | ifdef CONFIG_CPU_LITTLE_ENDIAN |
238abecd | 147 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) |
721aeaa9 AB |
148 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2) |
149 | else | |
4dc831aa | 150 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) |
238abecd | 151 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc) |
4dc831aa | 152 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) |
721aeaa9 | 153 | endif |
465bfd9c | 154 | endif |
238abecd | 155 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc)) |
98679fb0 | 156 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions) |
51d42f0f | 157 | |
72e7bcc2 JS |
158 | # Clang unconditionally reserves r2 on ppc32 and does not support the flag |
159 | # https://bugs.llvm.org/show_bug.cgi?id=39555 | |
160 | CFLAGS-$(CONFIG_PPC32) := $(call cc-option, -ffixed-r2) | |
161 | ||
162 | # Clang doesn't support -mmultiple / -mno-multiple | |
163 | # https://bugs.llvm.org/show_bug.cgi?id=39556 | |
164 | CFLAGS-$(CONFIG_PPC32) += $(call cc-option, $(MULTIPLEWORD)) | |
165 | ||
51d42f0f | 166 | CFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata) |
d23c6fb4 | 167 | |
badf436f RG |
168 | ifdef CONFIG_PPC_BOOK3S_64 |
169 | ifdef CONFIG_CPU_LITTLE_ENDIAN | |
a73657ea | 170 | CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8 |
4b7e5532 | 171 | CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power9,-mtune=power8) |
a73657ea | 172 | else |
471d7ff8 NP |
173 | CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,$(call cc-option,-mtune=power5)) |
174 | CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mcpu=power5,-mcpu=power4) | |
a73657ea | 175 | endif |
01718ba6 SW |
176 | else |
177 | CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 | |
178 | endif | |
179 | ||
2a056f58 NP |
180 | ifdef CONFIG_FUNCTION_TRACER |
181 | CC_FLAGS_FTRACE := -pg | |
8c50b72a | 182 | ifdef CONFIG_MPROFILE_KERNEL |
2a056f58 NP |
183 | CC_FLAGS_FTRACE += -mprofile-kernel |
184 | endif | |
8c50b72a TD |
185 | endif |
186 | ||
cc62d20c | 187 | CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU)) |
d23c6fb4 | 188 | |
cbf8a358 | 189 | # Altivec option not allowed with e500mc64 in GCC. |
badf436f | 190 | ifdef CONFIG_ALTIVEC |
cbf8a358 TC |
191 | E5500_CPU := -mcpu=powerpc64 |
192 | else | |
01718ba6 | 193 | E5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64) |
cbf8a358 | 194 | endif |
01718ba6 SW |
195 | CFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU) |
196 | CFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU)) | |
197 | ||
badf436f RG |
198 | ifdef CONFIG_PPC32 |
199 | ifdef CONFIG_PPC_E500MC | |
847f56b0 SW |
200 | CFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc) |
201 | else | |
202 | CFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc) | |
203 | endif | |
204 | endif | |
205 | ||
7998eb3d GR |
206 | asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) |
207 | ||
9cc342f6 | 208 | KBUILD_CPPFLAGS += -I $(srctree)/arch/$(ARCH) $(asinstr) |
b00899b8 | 209 | KBUILD_AFLAGS += $(AFLAGS-y) |
a50a862e | 210 | KBUILD_CFLAGS += $(call cc-option,-msoft-float) |
b00899b8 | 211 | KBUILD_CFLAGS += -pipe $(CFLAGS-y) |
a0f97e06 | 212 | CPP = $(CC) -E $(KBUILD_CFLAGS) |
14cf11af | 213 | |
68201fbb | 214 | CHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__ |
62c2c5cf DA |
215 | ifdef CONFIG_CPU_BIG_ENDIAN |
216 | CHECKFLAGS += -D__BIG_ENDIAN__ | |
217 | else | |
218 | CHECKFLAGS += -D__LITTLE_ENDIAN__ | |
219 | endif | |
14cf11af | 220 | |
badf436f | 221 | ifdef CONFIG_476FPE_ERR46 |
d5b35cff AP |
222 | KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ |
223 | -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds | |
224 | endif | |
225 | ||
d23c6fb4 | 226 | # No AltiVec or VSX instructions when building kernel |
a0f97e06 | 227 | KBUILD_CFLAGS += $(call cc-option,-mno-altivec) |
d23c6fb4 | 228 | KBUILD_CFLAGS += $(call cc-option,-mno-vsx) |
d3f67fbb | 229 | |
0197cd2e | 230 | # No SPE instruction when building kernel |
ce400c01 | 231 | # (We use all available options to help semi-broken compilers) |
0197cd2e | 232 | KBUILD_CFLAGS += $(call cc-option,-mno-spe) |
ce400c01 | 233 | KBUILD_CFLAGS += $(call cc-option,-mspe=no) |
0197cd2e | 234 | |
ba96301c NR |
235 | # Don't emit .eh_frame since we have no use for it |
236 | KBUILD_CFLAGS += -fno-asynchronous-unwind-tables | |
237 | ||
57647a4d BH |
238 | # Never use string load/store instructions as they are |
239 | # often slow when they are implemented at all | |
a50a862e | 240 | KBUILD_CFLAGS += $(call cc-option,-mno-string) |
14cf11af | 241 | |
548ad77d IK |
242 | cpu-as-$(CONFIG_40x) += -Wa,-m405 |
243 | cpu-as-$(CONFIG_44x) += -Wa,-m440 | |
9ddf0075 | 244 | cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) |
4e4a4b75 | 245 | cpu-as-$(CONFIG_E500) += -Wa,-me500 |
960e3002 JS |
246 | |
247 | # When using '-many -mpower4' gas will first try and find a matching power4 | |
248 | # mnemonic and failing that it will allow any valid mnemonic that GAS knows | |
249 | # about. GCC will pass -many to GAS when assembling, clang does not. | |
250 | cpu-as-$(CONFIG_PPC_BOOK3S_64) += -Wa,-mpower4 -Wa,-many | |
69a84059 | 251 | cpu-as-$(CONFIG_PPC_E500MC) += $(call as-option,-Wa$(comma)-me500mc) |
14cf11af | 252 | |
222d394d | 253 | KBUILD_AFLAGS += $(cpu-as-y) |
a0f97e06 | 254 | KBUILD_CFLAGS += $(cpu-as-y) |
14cf11af | 255 | |
164af597 ME |
256 | KBUILD_AFLAGS += $(aflags-y) |
257 | KBUILD_CFLAGS += $(cflags-y) | |
258 | ||
533090e5 CL |
259 | head-$(CONFIG_PPC64) := arch/powerpc/kernel/head_64.o |
260 | head-$(CONFIG_PPC_BOOK3S_32) := arch/powerpc/kernel/head_book3s_32.o | |
968159c0 | 261 | head-$(CONFIG_PPC_8xx) := arch/powerpc/kernel/head_8xx.o |
15f6527e | 262 | head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o |
14cf11af PM |
263 | head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o |
264 | head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o | |
265 | ||
9994a338 | 266 | head-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o |
14cf11af | 267 | head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o |
e821ea70 | 268 | head-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o |
5ac47f7a | 269 | head-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += arch/powerpc/kernel/prom_init.o |
14cf11af | 270 | |
135f0b17 | 271 | # Default to zImage, override when needed |
25431333 | 272 | all: zImage |
14cf11af | 273 | |
e32e78c5 | 274 | # With make 3.82 we cannot mix normal and wildcard targets |
c686ecf5 | 275 | BOOT_TARGETS1 := zImage zImage.initrd uImage |
11eab297 | 276 | BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% |
cabb5587 | 277 | |
e32e78c5 | 278 | PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) |
cabb5587 | 279 | |
94b212c2 | 280 | boot := arch/$(ARCH)/boot |
14cf11af | 281 | |
e32e78c5 | 282 | $(BOOT_TARGETS1): vmlinux |
1196d7aa | 283 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
e32e78c5 | 284 | $(BOOT_TARGETS2): vmlinux |
1196d7aa | 285 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
e32e78c5 SR |
286 | |
287 | ||
d42c6d0f | 288 | PHONY += bootwrapper_install |
e32e78c5 | 289 | bootwrapper_install: |
1196d7aa | 290 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
773f76b1 | 291 | |
ea4d1a87 CB |
292 | # Used to create 'merged defconfigs' |
293 | # To use it $(call) it with the first argument as the base defconfig | |
294 | # and the second argument as a space separated list of .config files to merge, | |
295 | # without the .config suffix. | |
296 | define merge_into_defconfig | |
297 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ | |
298 | -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \ | |
299 | $(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config) | |
300 | +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig | |
301 | endef | |
302 | ||
303 | PHONY += pseries_le_defconfig | |
304 | pseries_le_defconfig: | |
305 | $(call merge_into_defconfig,pseries_defconfig,le) | |
306 | ||
2adc48a6 ME |
307 | PHONY += ppc64le_defconfig |
308 | ppc64le_defconfig: | |
309 | $(call merge_into_defconfig,ppc64_defconfig,le) | |
310 | ||
721c01ba SR |
311 | PHONY += ppc64le_guest_defconfig |
312 | ppc64le_guest_defconfig: | |
313 | $(call merge_into_defconfig,ppc64_defconfig,le guest) | |
314 | ||
315 | PHONY += ppc64_guest_defconfig | |
316 | ppc64_guest_defconfig: | |
317 | $(call merge_into_defconfig,ppc64_defconfig,be guest) | |
318 | ||
3603c52f ME |
319 | PHONY += powernv_be_defconfig |
320 | powernv_be_defconfig: | |
321 | $(call merge_into_defconfig,powernv_defconfig,be) | |
322 | ||
44d54014 SW |
323 | PHONY += mpc85xx_defconfig |
324 | mpc85xx_defconfig: | |
58b12eb2 | 325 | $(call merge_into_defconfig,mpc85xx_base.config,\ |
44d54014 SW |
326 | 85xx-32bit 85xx-hw fsl-emb-nonhw) |
327 | ||
328 | PHONY += mpc85xx_smp_defconfig | |
329 | mpc85xx_smp_defconfig: | |
58b12eb2 | 330 | $(call merge_into_defconfig,mpc85xx_base.config,\ |
44d54014 SW |
331 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) |
332 | ||
333 | PHONY += corenet32_smp_defconfig | |
334 | corenet32_smp_defconfig: | |
58b12eb2 | 335 | $(call merge_into_defconfig,corenet_base.config,\ |
e0b80f00 | 336 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa) |
44d54014 SW |
337 | |
338 | PHONY += corenet64_smp_defconfig | |
339 | corenet64_smp_defconfig: | |
58b12eb2 | 340 | $(call merge_into_defconfig,corenet_base.config,\ |
e0b80f00 | 341 | 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa) |
44d54014 | 342 | |
43de32c5 AIB |
343 | PHONY += mpc86xx_defconfig |
344 | mpc86xx_defconfig: | |
58b12eb2 | 345 | $(call merge_into_defconfig,mpc86xx_base.config,\ |
43de32c5 AIB |
346 | 86xx-hw fsl-emb-nonhw) |
347 | ||
348 | PHONY += mpc86xx_smp_defconfig | |
349 | mpc86xx_smp_defconfig: | |
58b12eb2 | 350 | $(call merge_into_defconfig,mpc86xx_base.config,\ |
43de32c5 AIB |
351 | 86xx-smp 86xx-hw fsl-emb-nonhw) |
352 | ||
8db0c9d4 ME |
353 | PHONY += ppc32_allmodconfig |
354 | ppc32_allmodconfig: | |
355 | $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/book3s_32.config \ | |
356 | -f $(srctree)/Makefile allmodconfig | |
357 | ||
a273fa38 ME |
358 | PHONY += ppc_defconfig |
359 | ppc_defconfig: | |
360 | $(call merge_into_defconfig,book3s_32.config,) | |
361 | ||
64de5d8d ME |
362 | PHONY += ppc64le_allmodconfig |
363 | ppc64le_allmodconfig: | |
364 | $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/le.config \ | |
365 | -f $(srctree)/Makefile allmodconfig | |
366 | ||
5d823447 ME |
367 | PHONY += ppc64le_allnoconfig |
368 | ppc64le_allnoconfig: | |
369 | $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/ppc64le.config \ | |
370 | -f $(srctree)/Makefile allnoconfig | |
371 | ||
64de5d8d ME |
372 | PHONY += ppc64_book3e_allmodconfig |
373 | ppc64_book3e_allmodconfig: | |
374 | $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/85xx-64bit.config \ | |
375 | -f $(srctree)/Makefile allmodconfig | |
376 | ||
f259fb89 ME |
377 | PHONY += ppc32_randconfig |
378 | ppc32_randconfig: | |
379 | $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/32-bit.config \ | |
380 | -f $(srctree)/Makefile randconfig | |
381 | ||
382 | PHONY += ppc64_randconfig | |
383 | ppc64_randconfig: | |
384 | $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/64-bit.config \ | |
385 | -f $(srctree)/Makefile randconfig | |
386 | ||
14cf11af | 387 | define archhelp |
70bf0333 GL |
388 | @echo '* zImage - Build default images selected by kernel config' |
389 | @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' | |
390 | @echo ' uImage - U-Boot native image format' | |
391 | @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' | |
392 | @echo ' versions which do not support device trees' | |
393 | @echo ' dtbImage.<dt> - zImage with an embedded device tree blob' | |
394 | @echo ' simpleImage.<dt> - Firmware independent image.' | |
395 | @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)' | |
14cf11af | 396 | @echo ' install - Install kernel using' |
caa27b66 SR |
397 | @echo ' (your) ~/bin/$(INSTALLKERNEL) or' |
398 | @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' | |
14cf11af | 399 | @echo ' install to $$(INSTALL_PATH) and run lilo' |
437a58db | 400 | @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' |
70bf0333 GL |
401 | @echo '' |
402 | @echo ' Targets with <dt> embed a device tree blob inside the image' | |
403 | @echo ' These targets support board with firmware that does not' | |
404 | @echo ' support passing a device tree directly. Replace <dt> with the' | |
405 | @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory' | |
406 | @echo ' (minus the .dts extension).' | |
14cf11af PM |
407 | endef |
408 | ||
d42c6d0f | 409 | PHONY += install |
3f85d63e | 410 | install: |
86ff0bce MY |
411 | sh -x $(srctree)/$(boot)/install.sh "$(KERNELRELEASE)" vmlinux \ |
412 | System.map "$(INSTALL_PATH)" | |
928370c6 | 413 | |
14cf11af | 414 | archclean: |
a3a9e99e | 415 | $(Q)$(MAKE) $(clean)=$(boot) |
70567293 | 416 | |
91bf6955 CL |
417 | ifeq ($(KBUILD_EXTMOD),) |
418 | # We need to generate vdso-offsets.h before compiling certain files in kernel/. | |
419 | # In order to do that, we should use the archprepare target, but we can't since | |
420 | # asm-offsets.h is included in some files used to generate vdso-offsets.h, and | |
421 | # asm-offsets.h is built in prepare0, for which archprepare is a dependency. | |
422 | # Therefore we need to generate the header after prepare0 has been made, hence | |
423 | # this hack. | |
424 | prepare: vdso_prepare | |
425 | vdso_prepare: prepare0 | |
426 | $(if $(CONFIG_VDSO32),$(Q)$(MAKE) \ | |
427 | $(build)=arch/powerpc/kernel/vdso32 include/generated/vdso32-offsets.h) | |
428 | $(if $(CONFIG_PPC64),$(Q)$(MAKE) \ | |
429 | $(build)=arch/powerpc/kernel/vdso64 include/generated/vdso64-offsets.h) | |
430 | endif | |
431 | ||
14cf11af PM |
432 | archprepare: checkbin |
433 | ||
ab66dcc7 FK |
434 | archheaders: |
435 | $(Q)$(MAKE) $(build)=arch/powerpc/kernel/syscalls all | |
436 | ||
c3ff2a51 CL |
437 | ifdef CONFIG_STACKPROTECTOR |
438 | prepare: stack_protector_prepare | |
14cf11af | 439 | |
d42c6d0f | 440 | PHONY += stack_protector_prepare |
c3ff2a51 | 441 | stack_protector_prepare: prepare0 |
06ec27ae CL |
442 | ifdef CONFIG_PPC64 |
443 | $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "PACA_CANARY") print $$3;}' include/generated/asm-offsets.h)) | |
444 | else | |
c3ff2a51 CL |
445 | $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "TASK_CANARY") print $$3;}' include/generated/asm-offsets.h)) |
446 | endif | |
06ec27ae | 447 | endif |
c3ff2a51 | 448 | |
ed1cd6de | 449 | ifdef CONFIG_SMP |
3027a37c | 450 | ifdef CONFIG_PPC32 |
ed1cd6de CL |
451 | prepare: task_cpu_prepare |
452 | ||
d42c6d0f | 453 | PHONY += task_cpu_prepare |
ed1cd6de | 454 | task_cpu_prepare: prepare0 |
f7354cca | 455 | $(eval KBUILD_CFLAGS += -D_TASK_CPU=$(shell awk '{if ($$2 == "TASK_CPU") print $$3;}' include/generated/asm-offsets.h)) |
3027a37c ME |
456 | |
457 | endif # CONFIG_PPC32 | |
458 | endif # CONFIG_SMP | |
ed1cd6de | 459 | |
d42c6d0f | 460 | PHONY += checkbin |
f2910f0e NP |
461 | # Check toolchain versions: |
462 | # - gcc-4.6 is the minimum kernel-wide version so nothing required. | |
14cf11af | 463 | checkbin: |
60e065f7 ME |
464 | @if test "x${CONFIG_CPU_LITTLE_ENDIAN}" = "xy" \ |
465 | && $(LD) --version | head -1 | grep ' 2\.24$$' >/dev/null ; then \ | |
466 | echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \ | |
467 | echo 'in some circumstances.' ; \ | |
468 | echo -n '*** Please use a different binutils version.' ; \ | |
469 | false ; \ | |
470 | fi |