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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 | |
badf436f | 42 | ifdef CONFIG_PPC64 |
14cf11af PM |
43 | new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) |
44 | ||
45 | ifeq ($(new_nm),y) | |
46 | NM := $(NM) --synthetic | |
47 | endif | |
a0588015 | 48 | endif |
14cf11af | 49 | |
68201fbb ME |
50 | # BITS is used as extension for files which are available in a 32 bit |
51 | # and a 64 bit version to simplify shared Makefiles. | |
52 | # e.g.: obj-y += foo_$(BITS).o | |
53 | export BITS | |
54 | ||
55 | ifdef CONFIG_PPC64 | |
56 | BITS := 64 | |
57 | else | |
58 | BITS := 32 | |
14cf11af PM |
59 | endif |
60 | ||
57073e27 ME |
61 | machine-y = ppc |
62 | machine-$(CONFIG_PPC64) += 64 | |
63 | machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le | |
64 | UTS_MACHINE := $(subst $(space),,$(machine-y)) | |
190554db | 65 | |
b40b2386 ME |
66 | # XXX This needs to be before we override LD below |
67 | ifdef CONFIG_PPC32 | |
68 | KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o | |
69 | else | |
5c45b528 | 70 | KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/powerpc/kernel/module.lds |
b40b2386 ME |
71 | ifeq ($(call ld-ifversion, -ge, 225000000, y),y) |
72 | # Have the linker provide sfpr if possible. | |
73 | # There is a corresponding test in arch/powerpc/lib/Makefile | |
74 | KBUILD_LDFLAGS_MODULE += --save-restore-funcs | |
75 | else | |
76 | KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o | |
77 | endif | |
78 | endif | |
79 | ||
badf436f | 80 | ifdef CONFIG_CPU_LITTLE_ENDIAN |
1421dc6d | 81 | KBUILD_CFLAGS += -mlittle-endian |
d503ac53 | 82 | KBUILD_LDFLAGS += -EL |
d72b0801 IM |
83 | LDEMULATION := lppc |
84 | GNUTARGET := powerpcle | |
85 | MULTIPLEWORD := -mno-multiple | |
d3d35d95 | 86 | KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-save-toc-indirect) |
d72b0801 | 87 | else |
1421dc6d | 88 | KBUILD_CFLAGS += $(call cc-option,-mbig-endian) |
d503ac53 | 89 | KBUILD_LDFLAGS += -EB |
d72b0801 IM |
90 | LDEMULATION := ppc |
91 | GNUTARGET := powerpc | |
92 | MULTIPLEWORD := -mmultiple | |
93 | endif | |
94 | ||
4dc831aa NP |
95 | ifdef CONFIG_PPC64 |
96 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) | |
97 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mcall-aixdesc) | |
98 | aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) | |
99 | aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mabi=elfv2 | |
100 | endif | |
101 | ||
076f421d | 102 | ifndef CONFIG_CC_IS_CLANG |
164af597 ME |
103 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mno-strict-align |
104 | endif | |
105 | ||
1421dc6d NP |
106 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) |
107 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian | |
164af597 ME |
108 | aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) |
109 | aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian | |
110 | ||
14cf11af | 111 | ifeq ($(HAS_BIARCH),y) |
1421dc6d NP |
112 | KBUILD_CFLAGS += -m$(BITS) |
113 | KBUILD_AFLAGS += -m$(BITS) -Wl,-a$(BITS) | |
d503ac53 | 114 | KBUILD_LDFLAGS += -m elf$(BITS)$(LDEMULATION) |
43c9127d | 115 | KBUILD_ARFLAGS += --target=elf$(BITS)-$(GNUTARGET) |
14cf11af PM |
116 | endif |
117 | ||
c3ff2a51 | 118 | cflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard=tls |
06ec27ae CL |
119 | ifdef CONFIG_PPC64 |
120 | cflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r13 | |
121 | else | |
c3ff2a51 | 122 | cflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r2 |
06ec27ae | 123 | endif |
c3ff2a51 | 124 | |
9c5f7d39 SP |
125 | LDFLAGS_vmlinux-y := -Bstatic |
126 | LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie | |
127 | LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) | |
83a092cf | 128 | LDFLAGS_vmlinux += $(call ld-option,--orphan-handling=warn) |
14cf11af | 129 | |
badf436f | 130 | ifdef CONFIG_PPC64 |
1fbe9cf2 AB |
131 | ifeq ($(call cc-option-yn,-mcmodel=medium),y) |
132 | # -mcmodel=medium breaks modules because it uses 32bit offsets from | |
133 | # the TOC pointer to create pointers where possible. Pointers into the | |
134 | # percpu data area are created by this method. | |
135 | # | |
136 | # The kernel module loader relocates the percpu data section from the | |
137 | # original location (starting with 0xd...) to somewhere in the base | |
138 | # kernel percpu data space (starting with 0xc...). We need a full | |
139 | # 64bit relocation for this to work, hence -mcmodel=large. | |
140 | KBUILD_CFLAGS_MODULE += -mcmodel=large | |
141 | else | |
142 | export NO_MINIMAL_TOC := -mno-minimal-toc | |
143 | endif | |
144 | endif | |
145 | ||
a50a862e | 146 | CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no) |
badf436f | 147 | ifdef CONFIG_CPU_LITTLE_ENDIAN |
238abecd | 148 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) |
721aeaa9 AB |
149 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2) |
150 | else | |
4dc831aa | 151 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) |
238abecd | 152 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc) |
4dc831aa | 153 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) |
721aeaa9 | 154 | endif |
238abecd | 155 | CFLAGS-$(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 | |
6977f95e NP |
185 | # Work around gcc code-gen bugs with -pg / -fno-omit-frame-pointer in gcc <= 4.8 |
186 | # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44199 | |
187 | # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52828 | |
076f421d | 188 | ifndef CONFIG_CC_IS_CLANG |
6977f95e NP |
189 | CC_FLAGS_FTRACE += $(call cc-ifversion, -lt, 0409, -mno-sched-epilog) |
190 | endif | |
8c50b72a TD |
191 | endif |
192 | ||
cc62d20c | 193 | CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU)) |
d23c6fb4 | 194 | |
cbf8a358 | 195 | # Altivec option not allowed with e500mc64 in GCC. |
badf436f | 196 | ifdef CONFIG_ALTIVEC |
cbf8a358 TC |
197 | E5500_CPU := -mcpu=powerpc64 |
198 | else | |
01718ba6 | 199 | E5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64) |
cbf8a358 | 200 | endif |
01718ba6 SW |
201 | CFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU) |
202 | CFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU)) | |
203 | ||
badf436f RG |
204 | ifdef CONFIG_PPC32 |
205 | ifdef CONFIG_PPC_E500MC | |
847f56b0 SW |
206 | CFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc) |
207 | else | |
208 | CFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc) | |
209 | endif | |
210 | endif | |
211 | ||
7998eb3d GR |
212 | asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) |
213 | ||
214 | KBUILD_CPPFLAGS += -Iarch/$(ARCH) $(asinstr) | |
b00899b8 | 215 | KBUILD_AFLAGS += $(AFLAGS-y) |
a50a862e | 216 | KBUILD_CFLAGS += $(call cc-option,-msoft-float) |
b00899b8 | 217 | KBUILD_CFLAGS += -pipe $(CFLAGS-y) |
a0f97e06 | 218 | CPP = $(CC) -E $(KBUILD_CFLAGS) |
14cf11af | 219 | |
68201fbb | 220 | CHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__ |
62c2c5cf DA |
221 | ifdef CONFIG_CPU_BIG_ENDIAN |
222 | CHECKFLAGS += -D__BIG_ENDIAN__ | |
223 | else | |
224 | CHECKFLAGS += -D__LITTLE_ENDIAN__ | |
225 | endif | |
14cf11af | 226 | |
badf436f | 227 | ifdef CONFIG_476FPE_ERR46 |
d5b35cff AP |
228 | KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ |
229 | -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds | |
230 | endif | |
231 | ||
d23c6fb4 | 232 | # No AltiVec or VSX instructions when building kernel |
a0f97e06 | 233 | KBUILD_CFLAGS += $(call cc-option,-mno-altivec) |
d23c6fb4 | 234 | KBUILD_CFLAGS += $(call cc-option,-mno-vsx) |
d3f67fbb | 235 | |
0197cd2e | 236 | # No SPE instruction when building kernel |
ce400c01 | 237 | # (We use all available options to help semi-broken compilers) |
0197cd2e | 238 | KBUILD_CFLAGS += $(call cc-option,-mno-spe) |
ce400c01 | 239 | KBUILD_CFLAGS += $(call cc-option,-mspe=no) |
0197cd2e | 240 | |
d0679c73 AK |
241 | # FIXME: the module load should be taught about the additional relocs |
242 | # generated by this. | |
243 | # revert to pre-gcc-4.4 behaviour of .eh_frame | |
244 | KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) | |
245 | ||
57647a4d BH |
246 | # Never use string load/store instructions as they are |
247 | # often slow when they are implemented at all | |
a50a862e | 248 | KBUILD_CFLAGS += $(call cc-option,-mno-string) |
14cf11af | 249 | |
14cf11af | 250 | cpu-as-$(CONFIG_4xx) += -Wa,-m405 |
9ddf0075 | 251 | cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) |
14cf11af | 252 | cpu-as-$(CONFIG_E200) += -Wa,-me200 |
4e4a4b75 | 253 | cpu-as-$(CONFIG_E500) += -Wa,-me500 |
960e3002 JS |
254 | |
255 | # When using '-many -mpower4' gas will first try and find a matching power4 | |
256 | # mnemonic and failing that it will allow any valid mnemonic that GAS knows | |
257 | # about. GCC will pass -many to GAS when assembling, clang does not. | |
258 | cpu-as-$(CONFIG_PPC_BOOK3S_64) += -Wa,-mpower4 -Wa,-many | |
69a84059 | 259 | cpu-as-$(CONFIG_PPC_E500MC) += $(call as-option,-Wa$(comma)-me500mc) |
14cf11af | 260 | |
222d394d | 261 | KBUILD_AFLAGS += $(cpu-as-y) |
a0f97e06 | 262 | KBUILD_CFLAGS += $(cpu-as-y) |
14cf11af | 263 | |
164af597 ME |
264 | KBUILD_AFLAGS += $(aflags-y) |
265 | KBUILD_CFLAGS += $(cflags-y) | |
266 | ||
68201fbb | 267 | head-y := arch/powerpc/kernel/head_$(BITS).o |
968159c0 | 268 | head-$(CONFIG_PPC_8xx) := arch/powerpc/kernel/head_8xx.o |
15f6527e | 269 | head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o |
14cf11af PM |
270 | head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o |
271 | head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o | |
272 | ||
9994a338 | 273 | head-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o |
14cf11af | 274 | head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o |
e821ea70 | 275 | head-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o |
5ac47f7a | 276 | head-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += arch/powerpc/kernel/prom_init.o |
14cf11af | 277 | |
c47ca98d ME |
278 | # See arch/powerpc/Kbuild for content of core part of the kernel |
279 | core-y += arch/powerpc/ | |
14cf11af PM |
280 | |
281 | drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ | |
282 | ||
135f0b17 | 283 | # Default to zImage, override when needed |
25431333 | 284 | all: zImage |
14cf11af | 285 | |
e32e78c5 | 286 | # With make 3.82 we cannot mix normal and wildcard targets |
c686ecf5 | 287 | BOOT_TARGETS1 := zImage zImage.initrd uImage |
11eab297 | 288 | BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% |
cabb5587 | 289 | |
e32e78c5 | 290 | PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) |
cabb5587 | 291 | |
94b212c2 | 292 | boot := arch/$(ARCH)/boot |
14cf11af | 293 | |
e32e78c5 | 294 | $(BOOT_TARGETS1): vmlinux |
1196d7aa | 295 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
e32e78c5 | 296 | $(BOOT_TARGETS2): vmlinux |
1196d7aa | 297 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
e32e78c5 SR |
298 | |
299 | ||
300 | bootwrapper_install: | |
1196d7aa | 301 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
773f76b1 | 302 | |
ea4d1a87 CB |
303 | # Used to create 'merged defconfigs' |
304 | # To use it $(call) it with the first argument as the base defconfig | |
305 | # and the second argument as a space separated list of .config files to merge, | |
306 | # without the .config suffix. | |
307 | define merge_into_defconfig | |
308 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ | |
309 | -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \ | |
310 | $(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config) | |
311 | +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig | |
312 | endef | |
313 | ||
314 | PHONY += pseries_le_defconfig | |
315 | pseries_le_defconfig: | |
316 | $(call merge_into_defconfig,pseries_defconfig,le) | |
317 | ||
2adc48a6 ME |
318 | PHONY += ppc64le_defconfig |
319 | ppc64le_defconfig: | |
320 | $(call merge_into_defconfig,ppc64_defconfig,le) | |
321 | ||
721c01ba SR |
322 | PHONY += ppc64le_guest_defconfig |
323 | ppc64le_guest_defconfig: | |
324 | $(call merge_into_defconfig,ppc64_defconfig,le guest) | |
325 | ||
326 | PHONY += ppc64_guest_defconfig | |
327 | ppc64_guest_defconfig: | |
328 | $(call merge_into_defconfig,ppc64_defconfig,be guest) | |
329 | ||
3603c52f ME |
330 | PHONY += powernv_be_defconfig |
331 | powernv_be_defconfig: | |
332 | $(call merge_into_defconfig,powernv_defconfig,be) | |
333 | ||
44d54014 SW |
334 | PHONY += mpc85xx_defconfig |
335 | mpc85xx_defconfig: | |
336 | $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ | |
337 | 85xx-32bit 85xx-hw fsl-emb-nonhw) | |
338 | ||
339 | PHONY += mpc85xx_smp_defconfig | |
340 | mpc85xx_smp_defconfig: | |
341 | $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ | |
342 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) | |
343 | ||
344 | PHONY += corenet32_smp_defconfig | |
345 | corenet32_smp_defconfig: | |
346 | $(call merge_into_defconfig,corenet_basic_defconfig,\ | |
e0b80f00 | 347 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa) |
44d54014 SW |
348 | |
349 | PHONY += corenet64_smp_defconfig | |
350 | corenet64_smp_defconfig: | |
351 | $(call merge_into_defconfig,corenet_basic_defconfig,\ | |
e0b80f00 | 352 | 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa) |
44d54014 | 353 | |
43de32c5 AIB |
354 | PHONY += mpc86xx_defconfig |
355 | mpc86xx_defconfig: | |
356 | $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ | |
357 | 86xx-hw fsl-emb-nonhw) | |
358 | ||
359 | PHONY += mpc86xx_smp_defconfig | |
360 | mpc86xx_smp_defconfig: | |
361 | $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ | |
362 | 86xx-smp 86xx-hw fsl-emb-nonhw) | |
363 | ||
8db0c9d4 ME |
364 | PHONY += ppc32_allmodconfig |
365 | ppc32_allmodconfig: | |
366 | $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/book3s_32.config \ | |
367 | -f $(srctree)/Makefile allmodconfig | |
368 | ||
a273fa38 ME |
369 | PHONY += ppc_defconfig |
370 | ppc_defconfig: | |
371 | $(call merge_into_defconfig,book3s_32.config,) | |
372 | ||
64de5d8d ME |
373 | PHONY += ppc64le_allmodconfig |
374 | ppc64le_allmodconfig: | |
375 | $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/le.config \ | |
376 | -f $(srctree)/Makefile allmodconfig | |
377 | ||
378 | PHONY += ppc64_book3e_allmodconfig | |
379 | ppc64_book3e_allmodconfig: | |
380 | $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/85xx-64bit.config \ | |
381 | -f $(srctree)/Makefile allmodconfig | |
382 | ||
14cf11af | 383 | define archhelp |
70bf0333 GL |
384 | @echo '* zImage - Build default images selected by kernel config' |
385 | @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' | |
386 | @echo ' uImage - U-Boot native image format' | |
387 | @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' | |
388 | @echo ' versions which do not support device trees' | |
389 | @echo ' dtbImage.<dt> - zImage with an embedded device tree blob' | |
390 | @echo ' simpleImage.<dt> - Firmware independent image.' | |
391 | @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)' | |
14cf11af | 392 | @echo ' install - Install kernel using' |
caa27b66 SR |
393 | @echo ' (your) ~/bin/$(INSTALLKERNEL) or' |
394 | @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' | |
14cf11af | 395 | @echo ' install to $$(INSTALL_PATH) and run lilo' |
437a58db | 396 | @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' |
70bf0333 GL |
397 | @echo '' |
398 | @echo ' Targets with <dt> embed a device tree blob inside the image' | |
399 | @echo ' These targets support board with firmware that does not' | |
400 | @echo ' support passing a device tree directly. Replace <dt> with the' | |
401 | @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory' | |
402 | @echo ' (minus the .dts extension).' | |
14cf11af PM |
403 | endef |
404 | ||
3f85d63e | 405 | install: |
25431333 | 406 | $(Q)$(MAKE) $(build)=$(boot) install |
928370c6 | 407 | |
8150caad | 408 | vdso_install: |
badf436f | 409 | ifdef CONFIG_PPC64 |
8150caad RM |
410 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ |
411 | endif | |
ff6d2782 | 412 | ifdef CONFIG_VDSO32 |
8150caad | 413 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ |
ff6d2782 | 414 | endif |
8150caad | 415 | |
14cf11af | 416 | archclean: |
a3a9e99e | 417 | $(Q)$(MAKE) $(clean)=$(boot) |
70567293 | 418 | |
14cf11af PM |
419 | archprepare: checkbin |
420 | ||
ab66dcc7 FK |
421 | archheaders: |
422 | $(Q)$(MAKE) $(build)=arch/powerpc/kernel/syscalls all | |
423 | ||
c3ff2a51 CL |
424 | ifdef CONFIG_STACKPROTECTOR |
425 | prepare: stack_protector_prepare | |
14cf11af | 426 | |
c3ff2a51 | 427 | stack_protector_prepare: prepare0 |
06ec27ae CL |
428 | ifdef CONFIG_PPC64 |
429 | $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "PACA_CANARY") print $$3;}' include/generated/asm-offsets.h)) | |
430 | else | |
c3ff2a51 CL |
431 | $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "TASK_CANARY") print $$3;}' include/generated/asm-offsets.h)) |
432 | endif | |
06ec27ae | 433 | endif |
c3ff2a51 | 434 | |
ed1cd6de CL |
435 | ifdef CONFIG_SMP |
436 | prepare: task_cpu_prepare | |
437 | ||
438 | task_cpu_prepare: prepare0 | |
f7354cca | 439 | $(eval KBUILD_CFLAGS += -D_TASK_CPU=$(shell awk '{if ($$2 == "TASK_CPU") print $$3;}' include/generated/asm-offsets.h)) |
ed1cd6de CL |
440 | endif |
441 | ||
f2910f0e NP |
442 | # Check toolchain versions: |
443 | # - gcc-4.6 is the minimum kernel-wide version so nothing required. | |
14cf11af | 444 | checkbin: |
60e065f7 ME |
445 | @if test "x${CONFIG_CPU_LITTLE_ENDIAN}" = "xy" \ |
446 | && $(LD) --version | head -1 | grep ' 2\.24$$' >/dev/null ; then \ | |
447 | echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \ | |
448 | echo 'in some circumstances.' ; \ | |
449 | echo -n '*** Please use a different binutils version.' ; \ | |
450 | false ; \ | |
451 | fi |