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Commit | Line | Data |
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1da177e4 LT |
1 | # |
2 | # arch/arm/Makefile | |
3 | # | |
4f193362 PS |
4 | # This file is included by the global makefile so that you can add your own |
5 | # architecture-specific flags and dependencies. | |
6 | # | |
1da177e4 LT |
7 | # This file is subject to the terms and conditions of the GNU General Public |
8 | # License. See the file "COPYING" in the main directory of this archive | |
9 | # for more details. | |
10 | # | |
11 | # Copyright (C) 1995-2001 by Russell King | |
12 | ||
bcccc50c VS |
13 | # Ensure linker flags are correct |
14 | LDFLAGS := | |
15 | ||
1da177e4 | 16 | LDFLAGS_vmlinux :=-p --no-undefined -X |
26584853 CM |
17 | ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) |
18 | LDFLAGS_vmlinux += --be8 | |
19 | endif | |
51b563fc | 20 | |
dc810efb | 21 | OBJCOPYFLAGS :=-O binary -R .comment -S |
1da177e4 | 22 | GZFLAGS :=-9 |
a0f97e06 | 23 | #KBUILD_CFLAGS +=-pipe |
1da177e4 | 24 | |
bd365591 MM |
25 | # Never generate .eh_frame |
26 | KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) | |
27 | ||
1da177e4 LT |
28 | # Do not use arch/arm/defconfig - it's always outdated. |
29 | # Select a platform tht is kept up-to-date | |
30 | KBUILD_DEFCONFIG := versatile_defconfig | |
31 | ||
3dbda77e | 32 | # defines filename extension depending memory management type. |
f8c07de6 HC |
33 | ifeq ($(CONFIG_MMU),) |
34 | MMUEXT := -nommu | |
35 | endif | |
36 | ||
1da177e4 | 37 | ifeq ($(CONFIG_FRAME_POINTER),y) |
a0f97e06 | 38 | KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog |
1da177e4 LT |
39 | endif |
40 | ||
c743f380 NP |
41 | ifeq ($(CONFIG_CC_STACKPROTECTOR),y) |
42 | KBUILD_CFLAGS +=-fstack-protector | |
43 | endif | |
44 | ||
1da177e4 | 45 | ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) |
06c5040c | 46 | KBUILD_CPPFLAGS += -mbig-endian |
1da177e4 LT |
47 | AS += -EB |
48 | LD += -EB | |
49 | else | |
06c5040c | 50 | KBUILD_CPPFLAGS += -mlittle-endian |
1da177e4 LT |
51 | AS += -EL |
52 | LD += -EL | |
53 | endif | |
54 | ||
55 | comma = , | |
56 | ||
57 | # This selects which instruction set is used. | |
58 | # Note that GCC does not numerically define an architecture version | |
59 | # macro, but instead defines a whole series of macros which makes | |
60 | # testing for a specific architecture or later rather impossible. | |
76ebc6a4 | 61 | arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) |
1da177e4 | 62 | arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) |
23688e99 CM |
63 | # Only override the compiler option if ARMv6. The ARMv6K extensions are |
64 | # always available in ARMv7 | |
65 | ifeq ($(CONFIG_CPU_32v6),y) | |
4a5f79e7 | 66 | arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) |
23688e99 | 67 | endif |
260e98ed LB |
68 | arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) |
69 | arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t | |
1da177e4 LT |
70 | arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 |
71 | arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 | |
72 | ||
73 | # This selects how we optimise for the processor. | |
07e0da78 | 74 | tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi |
1da177e4 | 75 | tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi |
b731c311 | 76 | tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi |
43f5f014 | 77 | tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi |
d60674eb | 78 | tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi |
e6bb83fd | 79 | tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi) |
1da177e4 LT |
80 | tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi |
81 | tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi | |
82 | tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi | |
83 | tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi | |
28853ac8 | 84 | tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi |
1da177e4 LT |
85 | tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 |
86 | tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 | |
87 | tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale | |
23bdf86a | 88 | tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale |
b71b9eff | 89 | tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale) |
cd26f45b | 90 | tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) |
e399b1a4 | 91 | tune-$(CONFIG_CPU_V6K) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) |
1da177e4 | 92 | |
704bdda0 | 93 | ifeq ($(CONFIG_AEABI),y) |
c7fd8442 | 94 | CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork |
704bdda0 | 95 | else |
c28a814f | 96 | CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) |
704bdda0 NP |
97 | endif |
98 | ||
adf8b37b CM |
99 | ifeq ($(CONFIG_ARM_UNWIND),y) |
100 | CFLAGS_ABI +=-funwind-tables | |
101 | endif | |
102 | ||
16c79651 | 103 | ifeq ($(CONFIG_THUMB2_KERNEL),y) |
c540b9ff | 104 | AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it) |
16c79651 | 105 | AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W) |
91802a8e AB |
106 | CFLAGS_ISA :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN) |
107 | AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb | |
6f685c5c DM |
108 | # Work around buggy relocation from gas if requested: |
109 | ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y) | |
110 | CFLAGS_MODULE +=-fno-optimize-sibling-calls | |
111 | endif | |
91802a8e AB |
112 | else |
113 | CFLAGS_ISA :=$(call cc-option,-marm,) | |
114 | AFLAGS_ISA :=$(CFLAGS_ISA) | |
16c79651 CM |
115 | endif |
116 | ||
704bdda0 | 117 | # Need -Uarm for gcc < 3.x |
91802a8e AB |
118 | KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm |
119 | KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float | |
1da177e4 LT |
120 | |
121 | CHECKFLAGS += -D__arm__ | |
122 | ||
123 | #Default value | |
5290dc29 | 124 | head-y := arch/arm/kernel/head$(MMUEXT).o |
9d4f13e5 | 125 | textofs-y := 0x00008000 |
b4175b89 | 126 | textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 |
c4761b69 VK |
127 | # We don't want the htc bootloader to corrupt kernel during resume |
128 | textofs-$(CONFIG_PM_H1940) := 0x00108000 | |
1da177e4 | 129 | # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory |
b4175b89 RK |
130 | ifeq ($(CONFIG_ARCH_SA1100),y) |
131 | textofs-$(CONFIG_SA1111) := 0x00208000 | |
1da177e4 | 132 | endif |
9e775ad1 SB |
133 | textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000 |
134 | textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000 | |
135 | textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000 | |
b4175b89 RK |
136 | |
137 | # Machine directory name. This list is sorted alphanumerically | |
138 | # by CONFIG_* macro name. | |
387798b3 | 139 | machine-$(CONFIG_ARCH_AT91) += at91 |
5ae8d15f | 140 | machine-$(CONFIG_ARCH_BCM2835) += bcm2835 |
387798b3 RH |
141 | machine-$(CONFIG_ARCH_CLPS711X) += clps711x |
142 | machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx | |
143 | machine-$(CONFIG_ARCH_DAVINCI) += davinci | |
144 | machine-$(CONFIG_ARCH_DOVE) += dove | |
145 | machine-$(CONFIG_ARCH_EBSA110) += ebsa110 | |
146 | machine-$(CONFIG_ARCH_EP93XX) += ep93xx | |
147 | machine-$(CONFIG_ARCH_GEMINI) += gemini | |
148 | machine-$(CONFIG_ARCH_H720X) += h720x | |
149 | machine-$(CONFIG_ARCH_HIGHBANK) += highbank | |
150 | machine-$(CONFIG_ARCH_INTEGRATOR) += integrator | |
151 | machine-$(CONFIG_ARCH_IOP13XX) += iop13xx | |
152 | machine-$(CONFIG_ARCH_IOP32X) += iop32x | |
153 | machine-$(CONFIG_ARCH_IOP33X) += iop33x | |
154 | machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx | |
155 | machine-$(CONFIG_ARCH_KIRKWOOD) += kirkwood | |
156 | machine-$(CONFIG_ARCH_KS8695) += ks8695 | |
157 | machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx | |
158 | machine-$(CONFIG_ARCH_MMP) += mmp | |
159 | machine-$(CONFIG_ARCH_MSM) += msm | |
160 | machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0 | |
161 | machine-$(CONFIG_ARCH_MXC) += imx | |
162 | machine-$(CONFIG_ARCH_MXS) += mxs | |
163 | machine-$(CONFIG_ARCH_MVEBU) += mvebu | |
164 | machine-$(CONFIG_ARCH_NETX) += netx | |
165 | machine-$(CONFIG_ARCH_NOMADIK) += nomadik | |
166 | machine-$(CONFIG_ARCH_OMAP1) += omap1 | |
167 | machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2 | |
168 | machine-$(CONFIG_ARCH_ORION5X) += orion5x | |
169 | machine-$(CONFIG_ARCH_PICOXCELL) += picoxcell | |
387798b3 RH |
170 | machine-$(CONFIG_ARCH_PRIMA2) += prima2 |
171 | machine-$(CONFIG_ARCH_PXA) += pxa | |
172 | machine-$(CONFIG_ARCH_REALVIEW) += realview | |
173 | machine-$(CONFIG_ARCH_RPC) += rpc | |
174 | machine-$(CONFIG_ARCH_S3C24XX) += s3c24xx s3c2412 s3c2440 | |
175 | machine-$(CONFIG_ARCH_S3C64XX) += s3c64xx | |
176 | machine-$(CONFIG_ARCH_S5P64X0) += s5p64x0 | |
177 | machine-$(CONFIG_ARCH_S5PC100) += s5pc100 | |
178 | machine-$(CONFIG_ARCH_S5PV210) += s5pv210 | |
179 | machine-$(CONFIG_ARCH_EXYNOS) += exynos | |
180 | machine-$(CONFIG_ARCH_SA1100) += sa1100 | |
181 | machine-$(CONFIG_ARCH_SHARK) += shark | |
182 | machine-$(CONFIG_ARCH_SHMOBILE) += shmobile | |
183 | machine-$(CONFIG_ARCH_TEGRA) += tegra | |
184 | machine-$(CONFIG_ARCH_U300) += u300 | |
185 | machine-$(CONFIG_ARCH_U8500) += ux500 | |
186 | machine-$(CONFIG_ARCH_VERSATILE) += versatile | |
187 | machine-$(CONFIG_ARCH_VEXPRESS) += vexpress | |
188 | machine-$(CONFIG_ARCH_VT8500) += vt8500 | |
189 | machine-$(CONFIG_ARCH_W90X900) += w90x900 | |
190 | machine-$(CONFIG_FOOTBRIDGE) += footbridge | |
191 | machine-$(CONFIG_ARCH_SOCFPGA) += socfpga | |
192 | machine-$(CONFIG_ARCH_SPEAR13XX) += spear13xx | |
193 | machine-$(CONFIG_ARCH_SPEAR3XX) += spear3xx | |
194 | machine-$(CONFIG_MACH_SPEAR600) += spear6xx | |
195 | machine-$(CONFIG_ARCH_ZYNQ) += zynq | |
b4175b89 RK |
196 | |
197 | # Platform directory name. This list is sorted alphanumerically | |
198 | # by CONFIG_* macro name. | |
387798b3 RH |
199 | plat-$(CONFIG_ARCH_MXC) += mxc |
200 | plat-$(CONFIG_ARCH_OMAP) += omap | |
201 | plat-$(CONFIG_ARCH_S3C64XX) += samsung | |
387798b3 RH |
202 | plat-$(CONFIG_PLAT_IOP) += iop |
203 | plat-$(CONFIG_PLAT_NOMADIK) += nomadik | |
204 | plat-$(CONFIG_PLAT_ORION) += orion | |
205 | plat-$(CONFIG_PLAT_PXA) += pxa | |
206 | plat-$(CONFIG_PLAT_S3C24XX) += s3c24xx samsung | |
207 | plat-$(CONFIG_PLAT_S5P) += samsung | |
208 | plat-$(CONFIG_PLAT_SPEAR) += spear | |
209 | plat-$(CONFIG_PLAT_VERSATILE) += versatile | |
1da177e4 LT |
210 | |
211 | ifeq ($(CONFIG_ARCH_EBSA110),y) | |
212 | # This is what happens if you forget the IOCS16 line. | |
213 | # PCMCIA cards stop working. | |
214 | CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL | |
215 | export CFLAGS_3c589_cs.o | |
216 | endif | |
217 | ||
9d4f13e5 RK |
218 | # The byte offset of the kernel image in RAM from the start of RAM. |
219 | TEXT_OFFSET := $(textofs-y) | |
1da177e4 | 220 | |
f44f82e8 | 221 | # The first directory contains additional information for the boot setup code |
1da177e4 | 222 | ifneq ($(machine-y),) |
f44f82e8 | 223 | MACHINE := arch/arm/mach-$(word 1,$(machine-y))/ |
1da177e4 LT |
224 | else |
225 | MACHINE := | |
226 | endif | |
387798b3 RH |
227 | ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y) |
228 | MACHINE := | |
229 | endif | |
a21765a7 | 230 | |
f44f82e8 RK |
231 | machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) |
232 | platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y)) | |
233 | ||
387798b3 | 234 | ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y) |
f44f82e8 RK |
235 | ifeq ($(KBUILD_SRC),) |
236 | KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs)) | |
237 | else | |
238 | KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs)) | |
239 | endif | |
387798b3 | 240 | endif |
f44f82e8 | 241 | |
f8c07de6 | 242 | export TEXT_OFFSET GZFLAGS MMUEXT |
1da177e4 LT |
243 | |
244 | # Do we have FASTFPE? | |
245 | FASTFPE :=arch/arm/fastfpe | |
246 | ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) | |
247 | FASTFPE_OBJ :=$(FASTFPE)/ | |
248 | endif | |
249 | ||
1da177e4 LT |
250 | core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ |
251 | core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) | |
252 | core-$(CONFIG_VFP) += arch/arm/vfp/ | |
4c071ee5 | 253 | core-$(CONFIG_XEN) += arch/arm/xen/ |
1da177e4 | 254 | |
c62d0f2a NP |
255 | # If we have a machine-specific directory, then include it in the build. |
256 | core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ | |
ddecdfce | 257 | core-y += arch/arm/net/ |
f0be44f4 | 258 | core-y += arch/arm/crypto/ |
c62d0f2a NP |
259 | core-y += $(machdirs) $(platdirs) |
260 | ||
1da177e4 | 261 | drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ |
1da177e4 | 262 | |
30c2f90b | 263 | libs-y := arch/arm/lib/ $(libs-y) |
1da177e4 LT |
264 | |
265 | # Default target when executing plain make | |
266 | ifeq ($(CONFIG_XIP_KERNEL),y) | |
51342d71 | 267 | KBUILD_IMAGE := xipImage |
1da177e4 | 268 | else |
51342d71 | 269 | KBUILD_IMAGE := zImage |
1da177e4 LT |
270 | endif |
271 | ||
e50a622d AL |
272 | # Build the DT binary blobs if we have OF configured |
273 | ifeq ($(CONFIG_USE_OF),y) | |
274 | KBUILD_DTBS := dtbs | |
275 | endif | |
276 | ||
277 | all: $(KBUILD_IMAGE) $(KBUILD_DTBS) | |
51342d71 | 278 | |
1da177e4 LT |
279 | boot := arch/arm/boot |
280 | ||
66206536 SR |
281 | archprepare: |
282 | $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h | |
1da177e4 LT |
283 | |
284 | # Convert bzImage to zImage | |
285 | bzImage: zImage | |
286 | ||
287 | zImage Image xipImage bootpImage uImage: vmlinux | |
288 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ | |
289 | ||
a65d2922 | 290 | zinstall uinstall install: vmlinux |
1da177e4 LT |
291 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ |
292 | ||
70b0476a | 293 | %.dtb: scripts |
5fd1a2ed RH |
294 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ |
295 | ||
70b0476a | 296 | dtbs: scripts |
5fd1a2ed RH |
297 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ |
298 | ||
1da177e4 LT |
299 | # We use MRPROPER_FILES and CLEAN_FILES now |
300 | archclean: | |
301 | $(Q)$(MAKE) $(clean)=$(boot) | |
302 | ||
303 | # My testing targets (bypasses dependencies) | |
304 | bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage | |
305 | i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ | |
306 | ||
1da177e4 LT |
307 | |
308 | define archhelp | |
309 | echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' | |
310 | echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' | |
311 | echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' | |
a4f14bac | 312 | echo ' uImage - U-Boot wrapped zImage' |
1da177e4 LT |
313 | echo ' bootpImage - Combined zImage and initial RAM disk' |
314 | echo ' (supply initrd image via make variable INITRD=<path>)' | |
e50a622d | 315 | echo '* dtbs - Build device tree blobs for enabled boards' |
1da177e4 LT |
316 | echo ' install - Install uncompressed kernel' |
317 | echo ' zinstall - Install compressed kernel' | |
a65d2922 | 318 | echo ' uinstall - Install U-Boot wrapped compressed kernel' |
caa27b66 SR |
319 | echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or' |
320 | echo ' (distribution) /sbin/$(INSTALLKERNEL) or' | |
1da177e4 LT |
321 | echo ' install to $$(INSTALL_PATH) and run lilo' |
322 | endef |