Commit | Line | Data |
---|---|---|
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 ($(CROSS32_COMPILE),) | |
4bf4f42a NP |
22 | ifdef CONFIG_PPC32 |
23 | # These options will be overridden by any -mcpu option that the CPU | |
24 | # or platform code sets later on the command line, but they are needed | |
25 | # to set a sane 32-bit cpu target for the 64-bit cross compiler which | |
26 | # may default to the wrong ISA. | |
27 | KBUILD_CFLAGS += -mcpu=powerpc | |
28 | KBUILD_AFLAGS += -mcpu=powerpc | |
29 | endif | |
14cf11af PM |
30 | endif |
31 | endif | |
32 | ||
ca786f83 | 33 | ifeq ($(CROSS_COMPILE),) |
8a5abdf8 | 34 | KBUILD_DEFCONFIG := $(shell uname -m)_defconfig |
ca786f83 AB |
35 | else |
36 | KBUILD_DEFCONFIG := ppc64_defconfig | |
37 | endif | |
8a5abdf8 | 38 | |
94b212c2 | 39 | ifeq ($(CONFIG_PPC64),y) |
14cf11af PM |
40 | new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) |
41 | ||
42 | ifeq ($(new_nm),y) | |
43 | NM := $(NM) --synthetic | |
44 | endif | |
a0588015 | 45 | endif |
14cf11af | 46 | |
68201fbb ME |
47 | # BITS is used as extension for files which are available in a 32 bit |
48 | # and a 64 bit version to simplify shared Makefiles. | |
49 | # e.g.: obj-y += foo_$(BITS).o | |
50 | export BITS | |
51 | ||
52 | ifdef CONFIG_PPC64 | |
53 | BITS := 64 | |
54 | else | |
55 | BITS := 32 | |
14cf11af PM |
56 | endif |
57 | ||
57073e27 ME |
58 | machine-y = ppc |
59 | machine-$(CONFIG_PPC64) += 64 | |
60 | machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le | |
61 | UTS_MACHINE := $(subst $(space),,$(machine-y)) | |
190554db | 62 | |
b40b2386 ME |
63 | # XXX This needs to be before we override LD below |
64 | ifdef CONFIG_PPC32 | |
65 | KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o | |
66 | else | |
5c45b528 | 67 | KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/powerpc/kernel/module.lds |
b40b2386 ME |
68 | ifeq ($(call ld-ifversion, -ge, 225000000, y),y) |
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 | ||
d72b0801 | 77 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
1421dc6d NP |
78 | KBUILD_CFLAGS += -mlittle-endian |
79 | 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 NP |
85 | KBUILD_CFLAGS += $(call cc-option,-mbig-endian) |
86 | LDFLAGS += -EB | |
d72b0801 IM |
87 | LDEMULATION := ppc |
88 | GNUTARGET := powerpc | |
89 | MULTIPLEWORD := -mmultiple | |
90 | endif | |
91 | ||
4dc831aa NP |
92 | ifdef CONFIG_PPC64 |
93 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) | |
94 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mcall-aixdesc) | |
95 | aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) | |
96 | aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mabi=elfv2 | |
97 | endif | |
98 | ||
164af597 ME |
99 | ifneq ($(cc-name),clang) |
100 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mno-strict-align | |
101 | endif | |
102 | ||
1421dc6d NP |
103 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) |
104 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian | |
164af597 ME |
105 | aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) |
106 | aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian | |
107 | ||
14cf11af | 108 | ifeq ($(HAS_BIARCH),y) |
1421dc6d NP |
109 | KBUILD_CFLAGS += -m$(BITS) |
110 | KBUILD_AFLAGS += -m$(BITS) -Wl,-a$(BITS) | |
111 | LDFLAGS += -m elf$(BITS)$(LDEMULATION) | |
43c9127d | 112 | KBUILD_ARFLAGS += --target=elf$(BITS)-$(GNUTARGET) |
14cf11af PM |
113 | endif |
114 | ||
9c5f7d39 SP |
115 | LDFLAGS_vmlinux-y := -Bstatic |
116 | LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie | |
117 | LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) | |
83a092cf | 118 | LDFLAGS_vmlinux += $(call ld-option,--orphan-handling=warn) |
14cf11af | 119 | |
1fbe9cf2 AB |
120 | ifeq ($(CONFIG_PPC64),y) |
121 | ifeq ($(call cc-option-yn,-mcmodel=medium),y) | |
122 | # -mcmodel=medium breaks modules because it uses 32bit offsets from | |
123 | # the TOC pointer to create pointers where possible. Pointers into the | |
124 | # percpu data area are created by this method. | |
125 | # | |
126 | # The kernel module loader relocates the percpu data section from the | |
127 | # original location (starting with 0xd...) to somewhere in the base | |
128 | # kernel percpu data space (starting with 0xc...). We need a full | |
129 | # 64bit relocation for this to work, hence -mcmodel=large. | |
130 | KBUILD_CFLAGS_MODULE += -mcmodel=large | |
131 | else | |
132 | export NO_MINIMAL_TOC := -mno-minimal-toc | |
133 | endif | |
134 | endif | |
135 | ||
a50a862e | 136 | CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no) |
721aeaa9 | 137 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
238abecd | 138 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) |
721aeaa9 AB |
139 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2) |
140 | else | |
4dc831aa | 141 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) |
238abecd | 142 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc) |
4dc831aa | 143 | AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1) |
721aeaa9 | 144 | endif |
238abecd | 145 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc)) |
98679fb0 | 146 | CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions) |
51d42f0f | 147 | |
d72b0801 | 148 | CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 $(MULTIPLEWORD) |
51d42f0f | 149 | CFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata) |
d23c6fb4 | 150 | |
01718ba6 | 151 | ifeq ($(CONFIG_PPC_BOOK3S_64),y) |
a73657ea NP |
152 | ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) |
153 | CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8 | |
4b7e5532 | 154 | CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power9,-mtune=power8) |
a73657ea | 155 | else |
471d7ff8 NP |
156 | CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,$(call cc-option,-mtune=power5)) |
157 | CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mcpu=power5,-mcpu=power4) | |
a73657ea | 158 | endif |
01718ba6 SW |
159 | else |
160 | CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 | |
161 | endif | |
162 | ||
8c50b72a | 163 | ifdef CONFIG_MPROFILE_KERNEL |
abba7597 | 164 | CC_FLAGS_FTRACE := -pg -mprofile-kernel |
8c50b72a TD |
165 | endif |
166 | ||
d23c6fb4 | 167 | CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell) |
d23c6fb4 AB |
168 | CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5) |
169 | CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6) | |
170 | CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7) | |
ff2e466a | 171 | CFLAGS-$(CONFIG_POWER8_CPU) += $(call cc-option,-mcpu=power8) |
4b7e5532 | 172 | CFLAGS-$(CONFIG_POWER9_CPU) += $(call cc-option,-mcpu=power9) |
1c389763 | 173 | CFLAGS-$(CONFIG_PPC_8xx) += $(call cc-option,-mcpu=860) |
d23c6fb4 | 174 | |
cbf8a358 TC |
175 | # Altivec option not allowed with e500mc64 in GCC. |
176 | ifeq ($(CONFIG_ALTIVEC),y) | |
177 | E5500_CPU := -mcpu=powerpc64 | |
178 | else | |
01718ba6 | 179 | E5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64) |
cbf8a358 | 180 | endif |
01718ba6 SW |
181 | CFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU) |
182 | CFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU)) | |
183 | ||
847f56b0 SW |
184 | ifeq ($(CONFIG_PPC32),y) |
185 | ifeq ($(CONFIG_PPC_E500MC),y) | |
186 | CFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc) | |
187 | else | |
188 | CFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc) | |
189 | endif | |
190 | endif | |
191 | ||
7998eb3d GR |
192 | asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) |
193 | ||
194 | KBUILD_CPPFLAGS += -Iarch/$(ARCH) $(asinstr) | |
58aedccb | 195 | KBUILD_AFLAGS += -Iarch/$(ARCH) $(AFLAGS-y) |
a50a862e AB |
196 | KBUILD_CFLAGS += $(call cc-option,-msoft-float) |
197 | KBUILD_CFLAGS += -pipe -Iarch/$(ARCH) $(CFLAGS-y) | |
a0f97e06 | 198 | CPP = $(CC) -E $(KBUILD_CFLAGS) |
14cf11af | 199 | |
68201fbb | 200 | CHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__ |
62c2c5cf DA |
201 | ifdef CONFIG_CPU_BIG_ENDIAN |
202 | CHECKFLAGS += -D__BIG_ENDIAN__ | |
203 | else | |
204 | CHECKFLAGS += -D__LITTLE_ENDIAN__ | |
205 | endif | |
14cf11af | 206 | |
d5b35cff AP |
207 | ifeq ($(CONFIG_476FPE_ERR46),y) |
208 | KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ | |
209 | -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds | |
210 | endif | |
211 | ||
d23c6fb4 | 212 | # No AltiVec or VSX instructions when building kernel |
a0f97e06 | 213 | KBUILD_CFLAGS += $(call cc-option,-mno-altivec) |
d23c6fb4 | 214 | KBUILD_CFLAGS += $(call cc-option,-mno-vsx) |
d3f67fbb | 215 | |
0197cd2e | 216 | # No SPE instruction when building kernel |
ce400c01 | 217 | # (We use all available options to help semi-broken compilers) |
0197cd2e | 218 | KBUILD_CFLAGS += $(call cc-option,-mno-spe) |
ce400c01 | 219 | KBUILD_CFLAGS += $(call cc-option,-mspe=no) |
0197cd2e | 220 | |
14cf11af PM |
221 | # Enable unit-at-a-time mode when possible. It shrinks the |
222 | # kernel considerably. | |
a0f97e06 | 223 | KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) |
14cf11af | 224 | |
d0679c73 AK |
225 | # FIXME: the module load should be taught about the additional relocs |
226 | # generated by this. | |
227 | # revert to pre-gcc-4.4 behaviour of .eh_frame | |
228 | KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) | |
229 | ||
57647a4d BH |
230 | # Never use string load/store instructions as they are |
231 | # often slow when they are implemented at all | |
a50a862e | 232 | KBUILD_CFLAGS += $(call cc-option,-mno-string) |
14cf11af | 233 | |
f48b8296 | 234 | ifeq ($(CONFIG_6xx),y) |
a0f97e06 | 235 | KBUILD_CFLAGS += -mcpu=powerpc |
f48b8296 OH |
236 | endif |
237 | ||
7563dc64 | 238 | # Work around a gcc code-gen bug with -fno-omit-frame-pointer. |
606576ce | 239 | ifeq ($(CONFIG_FUNCTION_TRACER),y) |
7563dc64 TB |
240 | KBUILD_CFLAGS += -mno-sched-epilog |
241 | endif | |
242 | ||
14cf11af | 243 | cpu-as-$(CONFIG_4xx) += -Wa,-m405 |
9ddf0075 | 244 | cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) |
14cf11af | 245 | cpu-as-$(CONFIG_E200) += -Wa,-me200 |
15a3204d | 246 | cpu-as-$(CONFIG_PPC_BOOK3S_64) += -Wa,-mpower4 |
14cf11af | 247 | |
222d394d | 248 | KBUILD_AFLAGS += $(cpu-as-y) |
a0f97e06 | 249 | KBUILD_CFLAGS += $(cpu-as-y) |
14cf11af | 250 | |
164af597 ME |
251 | KBUILD_AFLAGS += $(aflags-y) |
252 | KBUILD_CFLAGS += $(cflags-y) | |
253 | ||
68201fbb | 254 | head-y := arch/powerpc/kernel/head_$(BITS).o |
968159c0 | 255 | head-$(CONFIG_PPC_8xx) := arch/powerpc/kernel/head_8xx.o |
15f6527e | 256 | head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o |
14cf11af PM |
257 | head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o |
258 | head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o | |
259 | ||
9994a338 | 260 | head-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o |
14cf11af | 261 | head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o |
e821ea70 | 262 | head-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o |
5ac47f7a | 263 | head-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += arch/powerpc/kernel/prom_init.o |
14cf11af | 264 | |
daec962e | 265 | core-y += arch/powerpc/kernel/ \ |
daec962e PM |
266 | arch/powerpc/mm/ \ |
267 | arch/powerpc/lib/ \ | |
268 | arch/powerpc/sysdev/ \ | |
1a3d1fc2 | 269 | arch/powerpc/platforms/ \ |
0ca87f05 | 270 | arch/powerpc/math-emu/ \ |
323a6bf1 | 271 | arch/powerpc/crypto/ \ |
0ca87f05 | 272 | arch/powerpc/net/ |
f78541dc | 273 | core-$(CONFIG_XMON) += arch/powerpc/xmon/ |
bbf45ba5 | 274 | core-$(CONFIG_KVM) += arch/powerpc/kvm/ |
f2699491 | 275 | core-$(CONFIG_PERF_EVENTS) += arch/powerpc/perf/ |
0d976313 | 276 | core-$(CONFIG_KEXEC_FILE) += arch/powerpc/purgatory/ |
14cf11af PM |
277 | |
278 | drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ | |
279 | ||
135f0b17 | 280 | # Default to zImage, override when needed |
25431333 | 281 | all: zImage |
14cf11af | 282 | |
e32e78c5 | 283 | # With make 3.82 we cannot mix normal and wildcard targets |
c686ecf5 | 284 | BOOT_TARGETS1 := zImage zImage.initrd uImage |
11eab297 | 285 | BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% |
cabb5587 | 286 | |
e32e78c5 | 287 | PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) |
cabb5587 | 288 | |
94b212c2 | 289 | boot := arch/$(ARCH)/boot |
14cf11af | 290 | |
e32e78c5 | 291 | $(BOOT_TARGETS1): vmlinux |
1196d7aa | 292 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
e32e78c5 | 293 | $(BOOT_TARGETS2): vmlinux |
1196d7aa | 294 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
e32e78c5 SR |
295 | |
296 | ||
297 | bootwrapper_install: | |
1196d7aa | 298 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
773f76b1 | 299 | |
8662d0bc | 300 | %.dtb: scripts |
1196d7aa | 301 | $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) |
14cf11af | 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 | ||
3603c52f ME |
322 | PHONY += powernv_be_defconfig |
323 | powernv_be_defconfig: | |
324 | $(call merge_into_defconfig,powernv_defconfig,be) | |
325 | ||
44d54014 SW |
326 | PHONY += mpc85xx_defconfig |
327 | mpc85xx_defconfig: | |
328 | $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ | |
329 | 85xx-32bit 85xx-hw fsl-emb-nonhw) | |
330 | ||
331 | PHONY += mpc85xx_smp_defconfig | |
332 | mpc85xx_smp_defconfig: | |
333 | $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ | |
334 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw) | |
335 | ||
336 | PHONY += corenet32_smp_defconfig | |
337 | corenet32_smp_defconfig: | |
338 | $(call merge_into_defconfig,corenet_basic_defconfig,\ | |
e0b80f00 | 339 | 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa) |
44d54014 SW |
340 | |
341 | PHONY += corenet64_smp_defconfig | |
342 | corenet64_smp_defconfig: | |
343 | $(call merge_into_defconfig,corenet_basic_defconfig,\ | |
e0b80f00 | 344 | 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa) |
44d54014 | 345 | |
43de32c5 AIB |
346 | PHONY += mpc86xx_defconfig |
347 | mpc86xx_defconfig: | |
348 | $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ | |
349 | 86xx-hw fsl-emb-nonhw) | |
350 | ||
351 | PHONY += mpc86xx_smp_defconfig | |
352 | mpc86xx_smp_defconfig: | |
353 | $(call merge_into_defconfig,mpc86xx_basic_defconfig,\ | |
354 | 86xx-smp 86xx-hw fsl-emb-nonhw) | |
355 | ||
14cf11af | 356 | define archhelp |
70bf0333 GL |
357 | @echo '* zImage - Build default images selected by kernel config' |
358 | @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' | |
359 | @echo ' uImage - U-Boot native image format' | |
360 | @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' | |
361 | @echo ' versions which do not support device trees' | |
362 | @echo ' dtbImage.<dt> - zImage with an embedded device tree blob' | |
363 | @echo ' simpleImage.<dt> - Firmware independent image.' | |
364 | @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)' | |
14cf11af | 365 | @echo ' install - Install kernel using' |
caa27b66 SR |
366 | @echo ' (your) ~/bin/$(INSTALLKERNEL) or' |
367 | @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' | |
14cf11af | 368 | @echo ' install to $$(INSTALL_PATH) and run lilo' |
437a58db | 369 | @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' |
70bf0333 GL |
370 | @echo '' |
371 | @echo ' Targets with <dt> embed a device tree blob inside the image' | |
372 | @echo ' These targets support board with firmware that does not' | |
373 | @echo ' support passing a device tree directly. Replace <dt> with the' | |
374 | @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory' | |
375 | @echo ' (minus the .dts extension).' | |
14cf11af PM |
376 | endef |
377 | ||
3f85d63e | 378 | install: |
25431333 | 379 | $(Q)$(MAKE) $(build)=$(boot) install |
928370c6 | 380 | |
8150caad RM |
381 | vdso_install: |
382 | ifeq ($(CONFIG_PPC64),y) | |
383 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ | |
384 | endif | |
385 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ | |
386 | ||
14cf11af | 387 | archclean: |
a3a9e99e | 388 | $(Q)$(MAKE) $(clean)=$(boot) |
70567293 | 389 | |
14cf11af PM |
390 | archprepare: checkbin |
391 | ||
14cf11af PM |
392 | # Use the file '.tmp_gas_check' for binutils tests, as gas won't output |
393 | # to stdout and these checks are run even on install targets. | |
394 | TOUT := .tmp_gas_check | |
14cf11af | 395 | |
82a85084 AB |
396 | # Check gcc and binutils versions: |
397 | # - gcc-3.4 and binutils-2.14 are a fatal combination | |
398 | # - Require gcc 4.0 or above on 64-bit | |
399 | # - gcc-4.2.0 has issues compiling modules on 64-bit | |
14cf11af | 400 | checkbin: |
5631d9c4 | 401 | @if test "$(cc-name)" != "clang" \ |
e79c8385 | 402 | && test "$(cc-version)" = "0304" ; then \ |
14cf11af PM |
403 | if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \ |
404 | echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \ | |
405 | echo 'correctly with gcc-3.4 and your version of binutils.'; \ | |
406 | echo '*** Please upgrade your binutils or downgrade your gcc'; \ | |
407 | false; \ | |
408 | fi ; \ | |
409 | fi | |
5631d9c4 | 410 | @if test "$(cc-name)" != "clang" \ |
e79c8385 | 411 | && test "$(cc-version)" -lt "0400" \ |
82a85084 AB |
412 | && test "x${CONFIG_PPC64}" = "xy" ; then \ |
413 | echo -n "Sorry, GCC v4.0 or above is required to build " ; \ | |
414 | echo "the 64-bit powerpc kernel." ; \ | |
415 | false ; \ | |
416 | fi | |
5631d9c4 | 417 | @if test "$(cc-name)" != "clang" \ |
e79c8385 | 418 | && test "$(cc-fullversion)" = "040200" \ |
f5e83fa4 SB |
419 | && test "x${CONFIG_MODULES}${CONFIG_PPC64}" = "xyy" ; then \ |
420 | echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \ | |
421 | echo 'kernel with modules enabled.' ; \ | |
422 | echo -n '*** Please use a different GCC version or ' ; \ | |
423 | echo 'disable kernel modules' ; \ | |
424 | false ; \ | |
425 | fi | |
60e065f7 ME |
426 | @if test "x${CONFIG_CPU_LITTLE_ENDIAN}" = "xy" \ |
427 | && $(LD) --version | head -1 | grep ' 2\.24$$' >/dev/null ; then \ | |
428 | echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \ | |
429 | echo 'in some circumstances.' ; \ | |
430 | echo -n '*** Please use a different binutils version.' ; \ | |
431 | false ; \ | |
432 | fi | |
433 | ||
14cf11af PM |
434 | |
435 | CLEAN_FILES += $(TOUT) | |
436 |