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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 | ||
20 | CROSS32CC := $(CROSS32_COMPILE)gcc | |
2bf11819 | 21 | CROSS32AR := $(CROSS32_COMPILE)ar |
14cf11af PM |
22 | |
23 | ifeq ($(HAS_BIARCH),y) | |
24 | ifeq ($(CROSS32_COMPILE),) | |
25 | CROSS32CC := $(CC) -m32 | |
43c9127d | 26 | KBUILD_ARFLAGS += --target=elf32-powerpc |
14cf11af PM |
27 | endif |
28 | endif | |
29 | ||
1976aef9 | 30 | export CROSS32CC CROSS32AR |
14cf11af | 31 | |
ca786f83 | 32 | ifeq ($(CROSS_COMPILE),) |
8a5abdf8 | 33 | KBUILD_DEFCONFIG := $(shell uname -m)_defconfig |
ca786f83 AB |
34 | else |
35 | KBUILD_DEFCONFIG := ppc64_defconfig | |
36 | endif | |
8a5abdf8 | 37 | |
94b212c2 | 38 | ifeq ($(CONFIG_PPC64),y) |
14cf11af PM |
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 := $(NM) --synthetic | |
43 | endif | |
a0588015 | 44 | endif |
14cf11af | 45 | |
68201fbb ME |
46 | # BITS is used as extension for files which are available in a 32 bit |
47 | # and a 64 bit version to simplify shared Makefiles. | |
48 | # e.g.: obj-y += foo_$(BITS).o | |
49 | export BITS | |
50 | ||
51 | ifdef CONFIG_PPC64 | |
52 | BITS := 64 | |
53 | else | |
54 | BITS := 32 | |
14cf11af PM |
55 | endif |
56 | ||
57073e27 ME |
57 | machine-y = ppc |
58 | machine-$(CONFIG_PPC64) += 64 | |
59 | machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le | |
60 | UTS_MACHINE := $(subst $(space),,$(machine-y)) | |
190554db | 61 | |
b40b2386 ME |
62 | # XXX This needs to be before we override LD below |
63 | ifdef CONFIG_PPC32 | |
64 | KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o | |
65 | else | |
66 | ifeq ($(call ld-ifversion, -ge, 225000000, y),y) | |
67 | # Have the linker provide sfpr if possible. | |
68 | # There is a corresponding test in arch/powerpc/lib/Makefile | |
69 | KBUILD_LDFLAGS_MODULE += --save-restore-funcs | |
70 | else | |
71 | KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o | |
72 | endif | |
73 | endif | |
74 | ||
d72b0801 | 75 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
d72b0801 | 76 | override LD += -EL |
d72b0801 IM |
77 | LDEMULATION := lppc |
78 | GNUTARGET := powerpcle | |
79 | MULTIPLEWORD := -mno-multiple | |
d3d35d95 | 80 | KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-save-toc-indirect) |
d72b0801 | 81 | else |
d72b0801 IM |
82 | override LD += -EB |
83 | LDEMULATION := ppc | |
84 | GNUTARGET := powerpc | |
85 | MULTIPLEWORD := -mmultiple | |
86 | endif | |
87 | ||
4dc831aa NP |
88 | ifdef CONFIG_PPC64 |
89 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) | |
90 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mcall-aixdesc) | |
91 | aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) | |
92 | aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mabi=elfv2 | |
93 | endif | |
94 | ||
164af597 | 95 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian |
4dc831aa | 96 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) |
164af597 ME |
97 | ifneq ($(cc-name),clang) |
98 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mno-strict-align | |
99 | endif | |
100 | ||
101 | aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) | |
102 | aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian | |
103 | ||
14cf11af | 104 | ifeq ($(HAS_BIARCH),y) |
68201fbb ME |
105 | override AS += -a$(BITS) |
106 | override LD += -m elf$(BITS)$(LDEMULATION) | |
107 | override CC += -m$(BITS) | |
43c9127d | 108 | KBUILD_ARFLAGS += --target=elf$(BITS)-$(GNUTARGET) |
14cf11af PM |
109 | endif |
110 | ||
9c5f7d39 SP |
111 | LDFLAGS_vmlinux-y := -Bstatic |
112 | LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie | |
113 | LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) | |
83a092cf | 114 | LDFLAGS_vmlinux += $(call ld-option,--orphan-handling=warn) |
14cf11af | 115 | |
1fbe9cf2 AB |
116 | ifeq ($(CONFIG_PPC64),y) |
117 | ifeq ($(call cc-option-yn,-mcmodel=medium),y) | |
118 | # -mcmodel=medium breaks modules because it uses 32bit offsets from | |
119 | # the TOC pointer to create pointers where possible. Pointers into the | |
120 | # percpu data area are created by this method. | |
121 | # | |
122 | # The kernel module loader relocates the percpu data section from the | |
123 | # original location (starting with 0xd...) to somewhere in the base | |
124 | # kernel percpu data space (starting with 0xc...). We need a full | |
125 | # 64bit relocation for this to work, hence -mcmodel=large. | |
126 | KBUILD_CFLAGS_MODULE += -mcmodel=large | |
127 | else | |
128 | export NO_MINIMAL_TOC := -mno-minimal-toc | |
129 | endif | |
130 | endif | |
131 | ||
a50a862e | 132 | CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no) |
721aeaa9 | 133 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
238abecd | 134 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) |
721aeaa9 AB |
135 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2) |
136 | else | |
4dc831aa | 137 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) |
238abecd | 138 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc) |
4dc831aa | 139 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) |
721aeaa9 | 140 | endif |
238abecd | 141 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc)) |
98679fb0 | 142 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions) |
d72b0801 | 143 | CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 $(MULTIPLEWORD) |
d23c6fb4 | 144 | |
01718ba6 | 145 | ifeq ($(CONFIG_PPC_BOOK3S_64),y) |
d23c6fb4 | 146 | CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,-mtune=power4) |
3a849815 | 147 | CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power4 |
01718ba6 SW |
148 | else |
149 | CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 | |
150 | endif | |
151 | ||
8c50b72a | 152 | ifdef CONFIG_MPROFILE_KERNEL |
b71c9ffb | 153 | ifeq ($(shell $(srctree)/arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -I$(srctree)/include -D__KERNEL__),OK) |
8c50b72a TD |
154 | CC_FLAGS_FTRACE := -pg -mprofile-kernel |
155 | KBUILD_CPPFLAGS += -DCC_USING_MPROFILE_KERNEL | |
156 | else | |
157 | # If the user asked for mprofile-kernel but the toolchain doesn't | |
158 | # support it, emit a warning and deliberately break the build later | |
159 | # with mprofile-kernel-not-supported. We would prefer to make this an | |
160 | # error right here, but then the user would never be able to run | |
161 | # oldconfig to change their configuration. | |
162 | $(warning Compiler does not support mprofile-kernel, set CONFIG_DISABLE_MPROFILE_KERNEL) | |
163 | CC_FLAGS_FTRACE := -mprofile-kernel-not-supported | |
164 | endif | |
165 | endif | |
166 | ||
d23c6fb4 AB |
167 | CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell) |
168 | CFLAGS-$(CONFIG_POWER4_CPU) += $(call cc-option,-mcpu=power4) | |
169 | CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5) | |
170 | CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6) | |
171 | CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7) | |
ff2e466a | 172 | CFLAGS-$(CONFIG_POWER8_CPU) += $(call cc-option,-mcpu=power8) |
d23c6fb4 | 173 | |
cbf8a358 TC |
174 | # Altivec option not allowed with e500mc64 in GCC. |
175 | ifeq ($(CONFIG_ALTIVEC),y) | |
176 | E5500_CPU := -mcpu=powerpc64 | |
177 | else | |
01718ba6 | 178 | E5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64) |
cbf8a358 | 179 | endif |
01718ba6 SW |
180 | CFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU) |
181 | CFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU)) | |
182 | ||
847f56b0 SW |
183 | ifeq ($(CONFIG_PPC32),y) |
184 | ifeq ($(CONFIG_PPC_E500MC),y) | |
185 | CFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc) | |
186 | else | |
187 | CFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc) | |
188 | endif | |
189 | endif | |
190 | ||
7998eb3d GR |
191 | asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) |
192 | ||
193 | KBUILD_CPPFLAGS += -Iarch/$(ARCH) $(asinstr) | |
58aedccb | 194 | KBUILD_AFLAGS += -Iarch/$(ARCH) $(AFLAGS-y) |
a50a862e AB |
195 | KBUILD_CFLAGS += $(call cc-option,-msoft-float) |
196 | KBUILD_CFLAGS += -pipe -Iarch/$(ARCH) $(CFLAGS-y) | |
a0f97e06 | 197 | CPP = $(CC) -E $(KBUILD_CFLAGS) |
14cf11af | 198 | |
68201fbb | 199 | CHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__ |
62c2c5cf DA |
200 | ifdef CONFIG_CPU_BIG_ENDIAN |
201 | CHECKFLAGS += -D__BIG_ENDIAN__ | |
202 | else | |
203 | CHECKFLAGS += -D__LITTLE_ENDIAN__ | |
204 | endif | |
14cf11af | 205 | |
d5b35cff AP |
206 | ifeq ($(CONFIG_476FPE_ERR46),y) |
207 | KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ | |
208 | -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds | |
209 | endif | |
210 | ||
d23c6fb4 | 211 | # No AltiVec or VSX instructions when building kernel |
a0f97e06 | 212 | KBUILD_CFLAGS += $(call cc-option,-mno-altivec) |
d23c6fb4 | 213 | KBUILD_CFLAGS += $(call cc-option,-mno-vsx) |
d3f67fbb | 214 | |
0197cd2e | 215 | # No SPE instruction when building kernel |
ce400c01 | 216 | # (We use all available options to help semi-broken compilers) |
0197cd2e | 217 | KBUILD_CFLAGS += $(call cc-option,-mno-spe) |
ce400c01 | 218 | KBUILD_CFLAGS += $(call cc-option,-mspe=no) |
0197cd2e | 219 | |
14cf11af PM |
220 | # Enable unit-at-a-time mode when possible. It shrinks the |
221 | # kernel considerably. | |
a0f97e06 | 222 | KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) |
14cf11af | 223 | |
d0679c73 AK |
224 | # FIXME: the module load should be taught about the additional relocs |
225 | # generated by this. | |
226 | # revert to pre-gcc-4.4 behaviour of .eh_frame | |
227 | KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) | |
228 | ||
57647a4d BH |
229 | # Never use string load/store instructions as they are |
230 | # often slow when they are implemented at all | |
a50a862e | 231 | KBUILD_CFLAGS += $(call cc-option,-mno-string) |
14cf11af | 232 | |
f48b8296 | 233 | ifeq ($(CONFIG_6xx),y) |
a0f97e06 | 234 | KBUILD_CFLAGS += -mcpu=powerpc |
f48b8296 OH |
235 | endif |
236 | ||
7563dc64 | 237 | # Work around a gcc code-gen bug with -fno-omit-frame-pointer. |
606576ce | 238 | ifeq ($(CONFIG_FUNCTION_TRACER),y) |
7563dc64 TB |
239 | KBUILD_CFLAGS += -mno-sched-epilog |
240 | endif | |
241 | ||
14cf11af | 242 | cpu-as-$(CONFIG_4xx) += -Wa,-m405 |
9ddf0075 | 243 | cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) |
14cf11af PM |
244 | cpu-as-$(CONFIG_E200) += -Wa,-me200 |
245 | ||
222d394d | 246 | KBUILD_AFLAGS += $(cpu-as-y) |
a0f97e06 | 247 | KBUILD_CFLAGS += $(cpu-as-y) |
14cf11af | 248 | |
164af597 ME |
249 | KBUILD_AFLAGS += $(aflags-y) |
250 | KBUILD_CFLAGS += $(cflags-y) | |
251 | ||
68201fbb | 252 | head-y := arch/powerpc/kernel/head_$(BITS).o |
968159c0 | 253 | head-$(CONFIG_PPC_8xx) := arch/powerpc/kernel/head_8xx.o |
15f6527e | 254 | head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o |
14cf11af PM |
255 | head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o |
256 | head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o | |
257 | ||
9994a338 | 258 | head-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o |
14cf11af | 259 | head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o |
e821ea70 | 260 | head-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o |
5ac47f7a | 261 | head-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += arch/powerpc/kernel/prom_init.o |
14cf11af | 262 | |
daec962e | 263 | core-y += arch/powerpc/kernel/ \ |
daec962e PM |
264 | arch/powerpc/mm/ \ |
265 | arch/powerpc/lib/ \ | |
266 | arch/powerpc/sysdev/ \ | |
1a3d1fc2 | 267 | arch/powerpc/platforms/ \ |
0ca87f05 | 268 | arch/powerpc/math-emu/ \ |
323a6bf1 | 269 | arch/powerpc/crypto/ \ |
0ca87f05 | 270 | arch/powerpc/net/ |
f78541dc | 271 | core-$(CONFIG_XMON) += arch/powerpc/xmon/ |
bbf45ba5 | 272 | core-$(CONFIG_KVM) += arch/powerpc/kvm/ |
f2699491 | 273 | core-$(CONFIG_PERF_EVENTS) += arch/powerpc/perf/ |
0d976313 | 274 | core-$(CONFIG_KEXEC_FILE) += arch/powerpc/purgatory/ |
14cf11af PM |
275 | |
276 | drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ | |
277 | ||
135f0b17 | 278 | # Default to zImage, override when needed |
25431333 | 279 | all: zImage |
14cf11af | 280 | |
e32e78c5 | 281 | # With make 3.82 we cannot mix normal and wildcard targets |
c686ecf5 | 282 | BOOT_TARGETS1 := zImage zImage.initrd uImage |
11eab297 | 283 | BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% |
cabb5587 | 284 | |
e32e78c5 | 285 | PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) |
cabb5587 | 286 | |
94b212c2 | 287 | boot := arch/$(ARCH)/boot |
14cf11af | 288 | |
e32e78c5 | 289 | $(BOOT_TARGETS1): vmlinux |
1196d7aa | 290 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
e32e78c5 | 291 | $(BOOT_TARGETS2): vmlinux |
1196d7aa | 292 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
e32e78c5 SR |
293 | |
294 | ||
295 | bootwrapper_install: | |
1196d7aa | 296 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
773f76b1 | 297 | |
8662d0bc | 298 | %.dtb: scripts |
1196d7aa | 299 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
14cf11af | 300 | |
ea4d1a87 CB |
301 | # Used to create 'merged defconfigs' |
302 | # To use it $(call) it with the first argument as the base defconfig | |
303 | # and the second argument as a space separated list of .config files to merge, | |
304 | # without the .config suffix. | |
305 | define merge_into_defconfig | |
306 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ | |
307 | -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \ | |
308 | $(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config) | |
309 | +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig | |
310 | endef | |
311 | ||
312 | PHONY += pseries_le_defconfig | |
313 | pseries_le_defconfig: | |
314 | $(call merge_into_defconfig,pseries_defconfig,le) | |
315 | ||
2adc48a6 ME |
316 | PHONY += ppc64le_defconfig |
317 | ppc64le_defconfig: | |
318 | $(call merge_into_defconfig,ppc64_defconfig,le) | |
319 | ||
3603c52f ME |
320 | PHONY += powernv_be_defconfig |
321 | powernv_be_defconfig: | |
322 | $(call merge_into_defconfig,powernv_defconfig,be) | |
323 | ||
44d54014 SW |
324 | PHONY += mpc85xx_defconfig |
325 | mpc85xx_defconfig: | |
326 | $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ | |
327 | 85xx-32bit 85xx-hw fsl-emb-nonhw) | |
328 | ||
329 | PHONY += mpc85xx_smp_defconfig | |
330 | mpc85xx_smp_defconfig: | |
331 | $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ | |
332 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) | |
333 | ||
334 | PHONY += corenet32_smp_defconfig | |
335 | corenet32_smp_defconfig: | |
336 | $(call merge_into_defconfig,corenet_basic_defconfig,\ | |
e0b80f00 | 337 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa) |
44d54014 SW |
338 | |
339 | PHONY += corenet64_smp_defconfig | |
340 | corenet64_smp_defconfig: | |
341 | $(call merge_into_defconfig,corenet_basic_defconfig,\ | |
e0b80f00 | 342 | 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa) |
44d54014 | 343 | |
43de32c5 AIB |
344 | PHONY += mpc86xx_defconfig |
345 | mpc86xx_defconfig: | |
346 | $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ | |
347 | 86xx-hw fsl-emb-nonhw) | |
348 | ||
349 | PHONY += mpc86xx_smp_defconfig | |
350 | mpc86xx_smp_defconfig: | |
351 | $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ | |
352 | 86xx-smp 86xx-hw fsl-emb-nonhw) | |
353 | ||
14cf11af | 354 | define archhelp |
70bf0333 GL |
355 | @echo '* zImage - Build default images selected by kernel config' |
356 | @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' | |
357 | @echo ' uImage - U-Boot native image format' | |
358 | @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' | |
359 | @echo ' versions which do not support device trees' | |
360 | @echo ' dtbImage.<dt> - zImage with an embedded device tree blob' | |
361 | @echo ' simpleImage.<dt> - Firmware independent image.' | |
362 | @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)' | |
14cf11af | 363 | @echo ' install - Install kernel using' |
caa27b66 SR |
364 | @echo ' (your) ~/bin/$(INSTALLKERNEL) or' |
365 | @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' | |
14cf11af | 366 | @echo ' install to $$(INSTALL_PATH) and run lilo' |
437a58db | 367 | @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' |
70bf0333 GL |
368 | @echo '' |
369 | @echo ' Targets with <dt> embed a device tree blob inside the image' | |
370 | @echo ' These targets support board with firmware that does not' | |
371 | @echo ' support passing a device tree directly. Replace <dt> with the' | |
372 | @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory' | |
373 | @echo ' (minus the .dts extension).' | |
14cf11af PM |
374 | endef |
375 | ||
3f85d63e | 376 | install: |
25431333 | 377 | $(Q)$(MAKE) $(build)=$(boot) install |
928370c6 | 378 | |
8150caad RM |
379 | vdso_install: |
380 | ifeq ($(CONFIG_PPC64),y) | |
381 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ | |
382 | endif | |
383 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ | |
384 | ||
14cf11af | 385 | archclean: |
a3a9e99e | 386 | $(Q)$(MAKE) $(clean)=$(boot) |
70567293 | 387 | |
14cf11af PM |
388 | archprepare: checkbin |
389 | ||
14cf11af PM |
390 | # Use the file '.tmp_gas_check' for binutils tests, as gas won't output |
391 | # to stdout and these checks are run even on install targets. | |
392 | TOUT := .tmp_gas_check | |
14cf11af | 393 | |
82a85084 AB |
394 | # Check gcc and binutils versions: |
395 | # - gcc-3.4 and binutils-2.14 are a fatal combination | |
396 | # - Require gcc 4.0 or above on 64-bit | |
397 | # - gcc-4.2.0 has issues compiling modules on 64-bit | |
14cf11af | 398 | checkbin: |
5631d9c4 | 399 | @if test "$(cc-name)" != "clang" \ |
e79c8385 | 400 | && test "$(cc-version)" = "0304" ; then \ |
14cf11af PM |
401 | if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \ |
402 | echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \ | |
403 | echo 'correctly with gcc-3.4 and your version of binutils.'; \ | |
404 | echo '*** Please upgrade your binutils or downgrade your gcc'; \ | |
405 | false; \ | |
406 | fi ; \ | |
407 | fi | |
5631d9c4 | 408 | @if test "$(cc-name)" != "clang" \ |
e79c8385 | 409 | && test "$(cc-version)" -lt "0400" \ |
82a85084 AB |
410 | && test "x${CONFIG_PPC64}" = "xy" ; then \ |
411 | echo -n "Sorry, GCC v4.0 or above is required to build " ; \ | |
412 | echo "the 64-bit powerpc kernel." ; \ | |
413 | false ; \ | |
414 | fi | |
5631d9c4 | 415 | @if test "$(cc-name)" != "clang" \ |
e79c8385 | 416 | && test "$(cc-fullversion)" = "040200" \ |
f5e83fa4 SB |
417 | && test "x${CONFIG_MODULES}${CONFIG_PPC64}" = "xyy" ; then \ |
418 | echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \ | |
419 | echo 'kernel with modules enabled.' ; \ | |
420 | echo -n '*** Please use a different GCC version or ' ; \ | |
421 | echo 'disable kernel modules' ; \ | |
422 | false ; \ | |
423 | fi | |
60e065f7 ME |
424 | @if test "x${CONFIG_CPU_LITTLE_ENDIAN}" = "xy" \ |
425 | && $(LD) --version | head -1 | grep ' 2\.24$$' >/dev/null ; then \ | |
426 | echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \ | |
427 | echo 'in some circumstances.' ; \ | |
428 | echo -n '*** Please use a different binutils version.' ; \ | |
429 | false ; \ | |
430 | fi | |
431 | ||
14cf11af PM |
432 | |
433 | CLEAN_FILES += $(TOUT) | |
434 |