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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 | |
d72b0801 | 62 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
d72b0801 | 63 | override LD += -EL |
d72b0801 IM |
64 | LDEMULATION := lppc |
65 | GNUTARGET := powerpcle | |
66 | MULTIPLEWORD := -mno-multiple | |
d3d35d95 | 67 | KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-save-toc-indirect) |
d72b0801 | 68 | else |
d72b0801 IM |
69 | override LD += -EB |
70 | LDEMULATION := ppc | |
71 | GNUTARGET := powerpc | |
72 | MULTIPLEWORD := -mmultiple | |
73 | endif | |
74 | ||
4dc831aa NP |
75 | ifdef CONFIG_PPC64 |
76 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) | |
77 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mcall-aixdesc) | |
78 | aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) | |
79 | aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mabi=elfv2 | |
80 | endif | |
81 | ||
164af597 | 82 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian |
4dc831aa | 83 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) |
164af597 ME |
84 | ifneq ($(cc-name),clang) |
85 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mno-strict-align | |
86 | endif | |
87 | ||
88 | aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) | |
89 | aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian | |
90 | ||
14cf11af | 91 | ifeq ($(HAS_BIARCH),y) |
68201fbb ME |
92 | override AS += -a$(BITS) |
93 | override LD += -m elf$(BITS)$(LDEMULATION) | |
94 | override CC += -m$(BITS) | |
43c9127d | 95 | KBUILD_ARFLAGS += --target=elf$(BITS)-$(GNUTARGET) |
14cf11af PM |
96 | endif |
97 | ||
9c5f7d39 SP |
98 | LDFLAGS_vmlinux-y := -Bstatic |
99 | LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie | |
100 | LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) | |
14cf11af | 101 | |
1fbe9cf2 AB |
102 | ifeq ($(CONFIG_PPC64),y) |
103 | ifeq ($(call cc-option-yn,-mcmodel=medium),y) | |
104 | # -mcmodel=medium breaks modules because it uses 32bit offsets from | |
105 | # the TOC pointer to create pointers where possible. Pointers into the | |
106 | # percpu data area are created by this method. | |
107 | # | |
108 | # The kernel module loader relocates the percpu data section from the | |
109 | # original location (starting with 0xd...) to somewhere in the base | |
110 | # kernel percpu data space (starting with 0xc...). We need a full | |
111 | # 64bit relocation for this to work, hence -mcmodel=large. | |
112 | KBUILD_CFLAGS_MODULE += -mcmodel=large | |
113 | else | |
114 | export NO_MINIMAL_TOC := -mno-minimal-toc | |
115 | endif | |
116 | endif | |
117 | ||
a50a862e | 118 | CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no) |
721aeaa9 | 119 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
238abecd | 120 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) |
721aeaa9 AB |
121 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2) |
122 | else | |
4dc831aa | 123 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) |
238abecd | 124 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc) |
4dc831aa | 125 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) |
721aeaa9 | 126 | endif |
238abecd | 127 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc)) |
98679fb0 | 128 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions) |
d72b0801 | 129 | CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 $(MULTIPLEWORD) |
d23c6fb4 | 130 | |
01718ba6 | 131 | ifeq ($(CONFIG_PPC_BOOK3S_64),y) |
d23c6fb4 | 132 | CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,-mtune=power4) |
3a849815 | 133 | CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power4 |
01718ba6 SW |
134 | else |
135 | CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 | |
136 | endif | |
137 | ||
8c50b72a TD |
138 | ifdef CONFIG_MPROFILE_KERNEL |
139 | ifeq ($(shell $(srctree)/arch/powerpc/scripts/gcc-check-mprofile-kernel.sh $(CC) -I$(srctree)/include -D__KERNEL__),OK) | |
140 | CC_FLAGS_FTRACE := -pg -mprofile-kernel | |
141 | KBUILD_CPPFLAGS += -DCC_USING_MPROFILE_KERNEL | |
142 | else | |
143 | # If the user asked for mprofile-kernel but the toolchain doesn't | |
144 | # support it, emit a warning and deliberately break the build later | |
145 | # with mprofile-kernel-not-supported. We would prefer to make this an | |
146 | # error right here, but then the user would never be able to run | |
147 | # oldconfig to change their configuration. | |
148 | $(warning Compiler does not support mprofile-kernel, set CONFIG_DISABLE_MPROFILE_KERNEL) | |
149 | CC_FLAGS_FTRACE := -mprofile-kernel-not-supported | |
150 | endif | |
151 | endif | |
152 | ||
d23c6fb4 AB |
153 | CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell) |
154 | CFLAGS-$(CONFIG_POWER4_CPU) += $(call cc-option,-mcpu=power4) | |
155 | CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5) | |
156 | CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6) | |
157 | CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7) | |
ff2e466a | 158 | CFLAGS-$(CONFIG_POWER8_CPU) += $(call cc-option,-mcpu=power8) |
d23c6fb4 | 159 | |
cbf8a358 TC |
160 | # Altivec option not allowed with e500mc64 in GCC. |
161 | ifeq ($(CONFIG_ALTIVEC),y) | |
162 | E5500_CPU := -mcpu=powerpc64 | |
163 | else | |
01718ba6 | 164 | E5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64) |
cbf8a358 | 165 | endif |
01718ba6 SW |
166 | CFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU) |
167 | CFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU)) | |
168 | ||
847f56b0 SW |
169 | ifeq ($(CONFIG_PPC32),y) |
170 | ifeq ($(CONFIG_PPC_E500MC),y) | |
171 | CFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc) | |
172 | else | |
173 | CFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc) | |
174 | endif | |
175 | endif | |
176 | ||
7998eb3d GR |
177 | asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) |
178 | ||
179 | KBUILD_CPPFLAGS += -Iarch/$(ARCH) $(asinstr) | |
58aedccb | 180 | KBUILD_AFLAGS += -Iarch/$(ARCH) $(AFLAGS-y) |
a50a862e AB |
181 | KBUILD_CFLAGS += $(call cc-option,-msoft-float) |
182 | KBUILD_CFLAGS += -pipe -Iarch/$(ARCH) $(CFLAGS-y) | |
a0f97e06 | 183 | CPP = $(CC) -E $(KBUILD_CFLAGS) |
14cf11af | 184 | |
68201fbb | 185 | CHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__ |
62c2c5cf DA |
186 | ifdef CONFIG_CPU_BIG_ENDIAN |
187 | CHECKFLAGS += -D__BIG_ENDIAN__ | |
188 | else | |
189 | CHECKFLAGS += -D__LITTLE_ENDIAN__ | |
190 | endif | |
14cf11af | 191 | |
772320e8 | 192 | KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o |
7fca5dc8 | 193 | |
d5b35cff AP |
194 | ifeq ($(CONFIG_476FPE_ERR46),y) |
195 | KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ | |
196 | -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds | |
197 | endif | |
198 | ||
d23c6fb4 | 199 | # No AltiVec or VSX instructions when building kernel |
a0f97e06 | 200 | KBUILD_CFLAGS += $(call cc-option,-mno-altivec) |
d23c6fb4 | 201 | KBUILD_CFLAGS += $(call cc-option,-mno-vsx) |
d3f67fbb | 202 | |
0197cd2e | 203 | # No SPE instruction when building kernel |
ce400c01 | 204 | # (We use all available options to help semi-broken compilers) |
0197cd2e | 205 | KBUILD_CFLAGS += $(call cc-option,-mno-spe) |
ce400c01 | 206 | KBUILD_CFLAGS += $(call cc-option,-mspe=no) |
0197cd2e | 207 | |
14cf11af PM |
208 | # Enable unit-at-a-time mode when possible. It shrinks the |
209 | # kernel considerably. | |
a0f97e06 | 210 | KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) |
14cf11af | 211 | |
d0679c73 AK |
212 | # FIXME: the module load should be taught about the additional relocs |
213 | # generated by this. | |
214 | # revert to pre-gcc-4.4 behaviour of .eh_frame | |
215 | KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) | |
216 | ||
57647a4d BH |
217 | # Never use string load/store instructions as they are |
218 | # often slow when they are implemented at all | |
a50a862e | 219 | KBUILD_CFLAGS += $(call cc-option,-mno-string) |
14cf11af | 220 | |
f48b8296 | 221 | ifeq ($(CONFIG_6xx),y) |
a0f97e06 | 222 | KBUILD_CFLAGS += -mcpu=powerpc |
f48b8296 OH |
223 | endif |
224 | ||
7563dc64 | 225 | # Work around a gcc code-gen bug with -fno-omit-frame-pointer. |
606576ce | 226 | ifeq ($(CONFIG_FUNCTION_TRACER),y) |
7563dc64 TB |
227 | KBUILD_CFLAGS += -mno-sched-epilog |
228 | endif | |
229 | ||
14cf11af | 230 | cpu-as-$(CONFIG_4xx) += -Wa,-m405 |
9ddf0075 | 231 | cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) |
14cf11af PM |
232 | cpu-as-$(CONFIG_E200) += -Wa,-me200 |
233 | ||
222d394d | 234 | KBUILD_AFLAGS += $(cpu-as-y) |
a0f97e06 | 235 | KBUILD_CFLAGS += $(cpu-as-y) |
14cf11af | 236 | |
164af597 ME |
237 | KBUILD_AFLAGS += $(aflags-y) |
238 | KBUILD_CFLAGS += $(cflags-y) | |
239 | ||
68201fbb | 240 | head-y := arch/powerpc/kernel/head_$(BITS).o |
14cf11af | 241 | head-$(CONFIG_8xx) := arch/powerpc/kernel/head_8xx.o |
15f6527e | 242 | head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o |
14cf11af PM |
243 | head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o |
244 | head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o | |
245 | ||
9994a338 | 246 | head-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o |
14cf11af | 247 | head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o |
e821ea70 | 248 | head-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o |
5ac47f7a | 249 | head-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += arch/powerpc/kernel/prom_init.o |
14cf11af | 250 | |
daec962e | 251 | core-y += arch/powerpc/kernel/ \ |
daec962e PM |
252 | arch/powerpc/mm/ \ |
253 | arch/powerpc/lib/ \ | |
254 | arch/powerpc/sysdev/ \ | |
1a3d1fc2 | 255 | arch/powerpc/platforms/ \ |
0ca87f05 | 256 | arch/powerpc/math-emu/ \ |
323a6bf1 | 257 | arch/powerpc/crypto/ \ |
0ca87f05 | 258 | arch/powerpc/net/ |
f78541dc | 259 | core-$(CONFIG_XMON) += arch/powerpc/xmon/ |
bbf45ba5 | 260 | core-$(CONFIG_KVM) += arch/powerpc/kvm/ |
f2699491 | 261 | core-$(CONFIG_PERF_EVENTS) += arch/powerpc/perf/ |
0d976313 | 262 | core-$(CONFIG_KEXEC_FILE) += arch/powerpc/purgatory/ |
14cf11af PM |
263 | |
264 | drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ | |
265 | ||
135f0b17 | 266 | # Default to zImage, override when needed |
25431333 | 267 | all: zImage |
14cf11af | 268 | |
e32e78c5 | 269 | # With make 3.82 we cannot mix normal and wildcard targets |
c686ecf5 | 270 | BOOT_TARGETS1 := zImage zImage.initrd uImage |
11eab297 | 271 | BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% |
cabb5587 | 272 | |
e32e78c5 | 273 | PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) |
cabb5587 | 274 | |
94b212c2 | 275 | boot := arch/$(ARCH)/boot |
14cf11af | 276 | |
144ef909 TB |
277 | ifeq ($(CONFIG_RELOCATABLE),y) |
278 | quiet_cmd_relocs_check = CALL $< | |
a71aa05e | 279 | cmd_relocs_check = $(CONFIG_SHELL) $< "$(OBJDUMP)" "$(obj)/vmlinux" |
144ef909 TB |
280 | |
281 | PHONY += relocs_check | |
a71aa05e | 282 | relocs_check: arch/powerpc/relocs_check.sh vmlinux |
144ef909 TB |
283 | $(call cmd,relocs_check) |
284 | ||
285 | zImage: relocs_check | |
286 | endif | |
287 | ||
e32e78c5 | 288 | $(BOOT_TARGETS1): vmlinux |
1196d7aa | 289 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
e32e78c5 | 290 | $(BOOT_TARGETS2): vmlinux |
1196d7aa | 291 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
e32e78c5 SR |
292 | |
293 | ||
294 | bootwrapper_install: | |
1196d7aa | 295 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
773f76b1 | 296 | |
8662d0bc | 297 | %.dtb: scripts |
1196d7aa | 298 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
14cf11af | 299 | |
ea4d1a87 CB |
300 | # Used to create 'merged defconfigs' |
301 | # To use it $(call) it with the first argument as the base defconfig | |
302 | # and the second argument as a space separated list of .config files to merge, | |
303 | # without the .config suffix. | |
304 | define merge_into_defconfig | |
305 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ | |
306 | -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \ | |
307 | $(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config) | |
308 | +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig | |
309 | endef | |
310 | ||
311 | PHONY += pseries_le_defconfig | |
312 | pseries_le_defconfig: | |
313 | $(call merge_into_defconfig,pseries_defconfig,le) | |
314 | ||
2adc48a6 ME |
315 | PHONY += ppc64le_defconfig |
316 | ppc64le_defconfig: | |
317 | $(call merge_into_defconfig,ppc64_defconfig,le) | |
318 | ||
44d54014 SW |
319 | PHONY += mpc85xx_defconfig |
320 | mpc85xx_defconfig: | |
321 | $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ | |
322 | 85xx-32bit 85xx-hw fsl-emb-nonhw) | |
323 | ||
324 | PHONY += mpc85xx_smp_defconfig | |
325 | mpc85xx_smp_defconfig: | |
326 | $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ | |
327 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) | |
328 | ||
329 | PHONY += corenet32_smp_defconfig | |
330 | corenet32_smp_defconfig: | |
331 | $(call merge_into_defconfig,corenet_basic_defconfig,\ | |
e0b80f00 | 332 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa) |
44d54014 SW |
333 | |
334 | PHONY += corenet64_smp_defconfig | |
335 | corenet64_smp_defconfig: | |
336 | $(call merge_into_defconfig,corenet_basic_defconfig,\ | |
e0b80f00 | 337 | 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa) |
44d54014 | 338 | |
43de32c5 AIB |
339 | PHONY += mpc86xx_defconfig |
340 | mpc86xx_defconfig: | |
341 | $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ | |
342 | 86xx-hw fsl-emb-nonhw) | |
343 | ||
344 | PHONY += mpc86xx_smp_defconfig | |
345 | mpc86xx_smp_defconfig: | |
346 | $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ | |
347 | 86xx-smp 86xx-hw fsl-emb-nonhw) | |
348 | ||
14cf11af | 349 | define archhelp |
70bf0333 GL |
350 | @echo '* zImage - Build default images selected by kernel config' |
351 | @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' | |
352 | @echo ' uImage - U-Boot native image format' | |
353 | @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' | |
354 | @echo ' versions which do not support device trees' | |
355 | @echo ' dtbImage.<dt> - zImage with an embedded device tree blob' | |
356 | @echo ' simpleImage.<dt> - Firmware independent image.' | |
357 | @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)' | |
14cf11af | 358 | @echo ' install - Install kernel using' |
caa27b66 SR |
359 | @echo ' (your) ~/bin/$(INSTALLKERNEL) or' |
360 | @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' | |
14cf11af | 361 | @echo ' install to $$(INSTALL_PATH) and run lilo' |
437a58db | 362 | @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' |
70bf0333 GL |
363 | @echo '' |
364 | @echo ' Targets with <dt> embed a device tree blob inside the image' | |
365 | @echo ' These targets support board with firmware that does not' | |
366 | @echo ' support passing a device tree directly. Replace <dt> with the' | |
367 | @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory' | |
368 | @echo ' (minus the .dts extension).' | |
14cf11af PM |
369 | endef |
370 | ||
3f85d63e | 371 | install: |
25431333 | 372 | $(Q)$(MAKE) $(build)=$(boot) install |
928370c6 | 373 | |
8150caad RM |
374 | vdso_install: |
375 | ifeq ($(CONFIG_PPC64),y) | |
376 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ | |
377 | endif | |
378 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ | |
379 | ||
14cf11af | 380 | archclean: |
a3a9e99e | 381 | $(Q)$(MAKE) $(clean)=$(boot) |
70567293 | 382 | |
14cf11af PM |
383 | archprepare: checkbin |
384 | ||
14cf11af PM |
385 | # Use the file '.tmp_gas_check' for binutils tests, as gas won't output |
386 | # to stdout and these checks are run even on install targets. | |
387 | TOUT := .tmp_gas_check | |
14cf11af | 388 | |
82a85084 AB |
389 | # Check gcc and binutils versions: |
390 | # - gcc-3.4 and binutils-2.14 are a fatal combination | |
391 | # - Require gcc 4.0 or above on 64-bit | |
392 | # - gcc-4.2.0 has issues compiling modules on 64-bit | |
14cf11af | 393 | checkbin: |
5631d9c4 | 394 | @if test "$(cc-name)" != "clang" \ |
e79c8385 | 395 | && test "$(cc-version)" = "0304" ; then \ |
14cf11af PM |
396 | if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \ |
397 | echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \ | |
398 | echo 'correctly with gcc-3.4 and your version of binutils.'; \ | |
399 | echo '*** Please upgrade your binutils or downgrade your gcc'; \ | |
400 | false; \ | |
401 | fi ; \ | |
402 | fi | |
5631d9c4 | 403 | @if test "$(cc-name)" != "clang" \ |
e79c8385 | 404 | && test "$(cc-version)" -lt "0400" \ |
82a85084 AB |
405 | && test "x${CONFIG_PPC64}" = "xy" ; then \ |
406 | echo -n "Sorry, GCC v4.0 or above is required to build " ; \ | |
407 | echo "the 64-bit powerpc kernel." ; \ | |
408 | false ; \ | |
409 | fi | |
5631d9c4 | 410 | @if test "$(cc-name)" != "clang" \ |
e79c8385 | 411 | && test "$(cc-fullversion)" = "040200" \ |
f5e83fa4 SB |
412 | && test "x${CONFIG_MODULES}${CONFIG_PPC64}" = "xyy" ; then \ |
413 | echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \ | |
414 | echo 'kernel with modules enabled.' ; \ | |
415 | echo -n '*** Please use a different GCC version or ' ; \ | |
416 | echo 'disable kernel modules' ; \ | |
417 | false ; \ | |
418 | fi | |
60e065f7 ME |
419 | @if test "x${CONFIG_CPU_LITTLE_ENDIAN}" = "xy" \ |
420 | && $(LD) --version | head -1 | grep ' 2\.24$$' >/dev/null ; then \ | |
421 | echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \ | |
422 | echo 'in some circumstances.' ; \ | |
423 | echo -n '*** Please use a different binutils version.' ; \ | |
424 | false ; \ | |
425 | fi | |
426 | ||
14cf11af PM |
427 | |
428 | CLEAN_FILES += $(TOUT) | |
429 |