Commit | Line | Data |
---|---|---|
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 | ||
13 | LDFLAGS_vmlinux :=-p --no-undefined -X | |
26584853 CM |
14 | ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) |
15 | LDFLAGS_vmlinux += --be8 | |
16 | endif | |
51b563fc | 17 | |
dc810efb | 18 | OBJCOPYFLAGS :=-O binary -R .comment -S |
1da177e4 | 19 | GZFLAGS :=-9 |
a0f97e06 | 20 | #KBUILD_CFLAGS +=-pipe |
5636810d | 21 | # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: |
a0f97e06 | 22 | KBUILD_CFLAGS +=$(call cc-option,-marm,) |
1da177e4 | 23 | |
bd365591 MM |
24 | # Never generate .eh_frame |
25 | KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) | |
26 | ||
1da177e4 LT |
27 | # Do not use arch/arm/defconfig - it's always outdated. |
28 | # Select a platform tht is kept up-to-date | |
29 | KBUILD_DEFCONFIG := versatile_defconfig | |
30 | ||
3dbda77e | 31 | # defines filename extension depending memory management type. |
f8c07de6 HC |
32 | ifeq ($(CONFIG_MMU),) |
33 | MMUEXT := -nommu | |
34 | endif | |
35 | ||
1da177e4 | 36 | ifeq ($(CONFIG_FRAME_POINTER),y) |
a0f97e06 | 37 | KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog |
1da177e4 LT |
38 | endif |
39 | ||
c743f380 NP |
40 | ifeq ($(CONFIG_CC_STACKPROTECTOR),y) |
41 | KBUILD_CFLAGS +=-fstack-protector | |
42 | endif | |
43 | ||
1da177e4 | 44 | ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) |
06c5040c | 45 | KBUILD_CPPFLAGS += -mbig-endian |
1da177e4 LT |
46 | AS += -EB |
47 | LD += -EB | |
48 | else | |
06c5040c | 49 | KBUILD_CPPFLAGS += -mlittle-endian |
1da177e4 LT |
50 | AS += -EL |
51 | LD += -EL | |
52 | endif | |
53 | ||
54 | comma = , | |
55 | ||
56 | # This selects which instruction set is used. | |
57 | # Note that GCC does not numerically define an architecture version | |
58 | # macro, but instead defines a whole series of macros which makes | |
59 | # testing for a specific architecture or later rather impossible. | |
76ebc6a4 | 60 | arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) |
1da177e4 | 61 | arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) |
23688e99 CM |
62 | # Only override the compiler option if ARMv6. The ARMv6K extensions are |
63 | # always available in ARMv7 | |
64 | ifeq ($(CONFIG_CPU_32v6),y) | |
4a5f79e7 | 65 | arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) |
23688e99 | 66 | endif |
260e98ed LB |
67 | arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) |
68 | arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t | |
1da177e4 LT |
69 | arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 |
70 | arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 | |
71 | ||
72 | # This selects how we optimise for the processor. | |
07e0da78 | 73 | tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi |
1da177e4 | 74 | tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi |
b731c311 | 75 | tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi |
43f5f014 | 76 | tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi |
d60674eb | 77 | tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi |
e6bb83fd | 78 | tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi) |
1da177e4 LT |
79 | tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi |
80 | tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi | |
81 | tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi | |
82 | tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi | |
28853ac8 | 83 | tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi |
1da177e4 LT |
84 | tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 |
85 | tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 | |
86 | tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale | |
23bdf86a | 87 | tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale |
b71b9eff | 88 | tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale) |
cd26f45b | 89 | tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) |
e399b1a4 | 90 | tune-$(CONFIG_CPU_V6K) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) |
1da177e4 | 91 | |
704bdda0 | 92 | ifeq ($(CONFIG_AEABI),y) |
c7fd8442 | 93 | CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork |
704bdda0 | 94 | else |
c28a814f | 95 | CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) |
704bdda0 NP |
96 | endif |
97 | ||
adf8b37b CM |
98 | ifeq ($(CONFIG_ARM_UNWIND),y) |
99 | CFLAGS_ABI +=-funwind-tables | |
100 | endif | |
101 | ||
16c79651 | 102 | ifeq ($(CONFIG_THUMB2_KERNEL),y) |
c540b9ff | 103 | AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it) |
16c79651 CM |
104 | AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W) |
105 | CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN) | |
106 | AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb | |
6f685c5c DM |
107 | # Work around buggy relocation from gas if requested: |
108 | ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y) | |
109 | CFLAGS_MODULE +=-fno-optimize-sibling-calls | |
110 | endif | |
16c79651 CM |
111 | endif |
112 | ||
704bdda0 | 113 | # Need -Uarm for gcc < 3.x |
16c79651 CM |
114 | KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm |
115 | KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float | |
1da177e4 LT |
116 | |
117 | CHECKFLAGS += -D__arm__ | |
118 | ||
119 | #Default value | |
75d90832 | 120 | head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o |
9d4f13e5 | 121 | textofs-y := 0x00008000 |
b4175b89 | 122 | textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 |
c4761b69 VK |
123 | # We don't want the htc bootloader to corrupt kernel during resume |
124 | textofs-$(CONFIG_PM_H1940) := 0x00108000 | |
1da177e4 | 125 | # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory |
b4175b89 RK |
126 | ifeq ($(CONFIG_ARCH_SA1100),y) |
127 | textofs-$(CONFIG_SA1111) := 0x00208000 | |
1da177e4 | 128 | endif |
9e775ad1 SB |
129 | textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000 |
130 | textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000 | |
131 | textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000 | |
b4175b89 RK |
132 | |
133 | # Machine directory name. This list is sorted alphanumerically | |
134 | # by CONFIG_* macro name. | |
b4175b89 | 135 | machine-$(CONFIG_ARCH_AT91) := at91 |
6288e28d | 136 | machine-$(CONFIG_ARCH_BCMRING) := bcmring |
b4175b89 | 137 | machine-$(CONFIG_ARCH_CLPS711X) := clps711x |
d94f944e | 138 | machine-$(CONFIG_ARCH_CNS3XXX) := cns3xxx |
b4175b89 | 139 | machine-$(CONFIG_ARCH_DAVINCI) := davinci |
edabd38e | 140 | machine-$(CONFIG_ARCH_DOVE) := dove |
b4175b89 RK |
141 | machine-$(CONFIG_ARCH_EBSA110) := ebsa110 |
142 | machine-$(CONFIG_ARCH_EP93XX) := ep93xx | |
143 | machine-$(CONFIG_ARCH_GEMINI) := gemini | |
144 | machine-$(CONFIG_ARCH_H720X) := h720x | |
220e6cf7 | 145 | machine-$(CONFIG_ARCH_HIGHBANK) := highbank |
b4175b89 RK |
146 | machine-$(CONFIG_ARCH_INTEGRATOR) := integrator |
147 | machine-$(CONFIG_ARCH_IOP13XX) := iop13xx | |
148 | machine-$(CONFIG_ARCH_IOP32X) := iop32x | |
149 | machine-$(CONFIG_ARCH_IOP33X) := iop33x | |
150 | machine-$(CONFIG_ARCH_IXP2000) := ixp2000 | |
151 | machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx | |
152 | machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx | |
153 | machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood | |
154 | machine-$(CONFIG_ARCH_KS8695) := ks8695 | |
40805949 | 155 | machine-$(CONFIG_ARCH_LPC32XX) := lpc32xx |
b4175b89 RK |
156 | machine-$(CONFIG_ARCH_MMP) := mmp |
157 | machine-$(CONFIG_ARCH_MSM) := msm | |
158 | machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 | |
ae4fa7f6 | 159 | machine-$(CONFIG_ARCH_IMX_V4_V5) := imx |
a89cf59b | 160 | machine-$(CONFIG_ARCH_IMX_V6_V7) := imx |
1d3f33d5 | 161 | machine-$(CONFIG_ARCH_MXS) := mxs |
b4175b89 | 162 | machine-$(CONFIG_ARCH_NETX) := netx |
28ad94ec | 163 | machine-$(CONFIG_ARCH_NOMADIK) := nomadik |
b4175b89 RK |
164 | machine-$(CONFIG_ARCH_OMAP1) := omap1 |
165 | machine-$(CONFIG_ARCH_OMAP2) := omap2 | |
166 | machine-$(CONFIG_ARCH_OMAP3) := omap2 | |
949abd84 | 167 | machine-$(CONFIG_ARCH_OMAP4) := omap2 |
b4175b89 | 168 | machine-$(CONFIG_ARCH_ORION5X) := orion5x |
af75655c | 169 | machine-$(CONFIG_ARCH_PICOXCELL) := picoxcell |
b4175b89 | 170 | machine-$(CONFIG_ARCH_PNX4008) := pnx4008 |
02c981c0 | 171 | machine-$(CONFIG_ARCH_PRIMA2) := prima2 |
b4175b89 RK |
172 | machine-$(CONFIG_ARCH_PXA) := pxa |
173 | machine-$(CONFIG_ARCH_REALVIEW) := realview | |
174 | machine-$(CONFIG_ARCH_RPC) := rpc | |
84c028b9 | 175 | machine-$(CONFIG_ARCH_S3C24XX) := s3c24xx s3c2412 s3c2440 |
431107ea | 176 | machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx |
49b7a491 | 177 | machine-$(CONFIG_ARCH_S5P64X0) := s5p64x0 |
acc84707 | 178 | machine-$(CONFIG_ARCH_S5PC100) := s5pc100 |
170f4e42 | 179 | machine-$(CONFIG_ARCH_S5PV210) := s5pv210 |
83014579 | 180 | machine-$(CONFIG_ARCH_EXYNOS4) := exynos |
94c7ca71 | 181 | machine-$(CONFIG_ARCH_EXYNOS5) := exynos |
b4175b89 RK |
182 | machine-$(CONFIG_ARCH_SA1100) := sa1100 |
183 | machine-$(CONFIG_ARCH_SHARK) := shark | |
c793c1b0 | 184 | machine-$(CONFIG_ARCH_SHMOBILE) := shmobile |
c5f80065 | 185 | machine-$(CONFIG_ARCH_TEGRA) := tegra |
d98aac75 | 186 | machine-$(CONFIG_ARCH_U300) := u300 |
850265e8 | 187 | machine-$(CONFIG_ARCH_U8500) := ux500 |
b4175b89 | 188 | machine-$(CONFIG_ARCH_VERSATILE) := versatile |
ceade897 | 189 | machine-$(CONFIG_ARCH_VEXPRESS) := vexpress |
21f47fbc | 190 | machine-$(CONFIG_ARCH_VT8500) := vt8500 |
b4175b89 RK |
191 | machine-$(CONFIG_ARCH_W90X900) := w90x900 |
192 | machine-$(CONFIG_FOOTBRIDGE) := footbridge | |
cee37e50 | 193 | machine-$(CONFIG_MACH_SPEAR300) := spear3xx |
194 | machine-$(CONFIG_MACH_SPEAR310) := spear3xx | |
195 | machine-$(CONFIG_MACH_SPEAR320) := spear3xx | |
196 | machine-$(CONFIG_MACH_SPEAR600) := spear6xx | |
b85a3ef4 | 197 | machine-$(CONFIG_ARCH_ZYNQ) := zynq |
b4175b89 RK |
198 | |
199 | # Platform directory name. This list is sorted alphanumerically | |
200 | # by CONFIG_* macro name. | |
201 | plat-$(CONFIG_ARCH_MXC) := mxc | |
202 | plat-$(CONFIG_ARCH_OMAP) := omap | |
882d01f9 | 203 | plat-$(CONFIG_ARCH_S3C64XX) := samsung |
b85a3ef4 | 204 | plat-$(CONFIG_ARCH_ZYNQ) := versatile |
b4175b89 | 205 | plat-$(CONFIG_PLAT_IOP) := iop |
59b559d7 | 206 | plat-$(CONFIG_PLAT_NOMADIK) := nomadik |
b4175b89 RK |
207 | plat-$(CONFIG_PLAT_ORION) := orion |
208 | plat-$(CONFIG_PLAT_PXA) := pxa | |
7965b214 | 209 | plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx samsung |
7965b214 | 210 | plat-$(CONFIG_PLAT_S5P) := s5p samsung |
cee37e50 | 211 | plat-$(CONFIG_PLAT_SPEAR) := spear |
f4b8b319 | 212 | plat-$(CONFIG_PLAT_VERSATILE) := versatile |
1da177e4 LT |
213 | |
214 | ifeq ($(CONFIG_ARCH_EBSA110),y) | |
215 | # This is what happens if you forget the IOCS16 line. | |
216 | # PCMCIA cards stop working. | |
217 | CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL | |
218 | export CFLAGS_3c589_cs.o | |
219 | endif | |
220 | ||
9d4f13e5 RK |
221 | # The byte offset of the kernel image in RAM from the start of RAM. |
222 | TEXT_OFFSET := $(textofs-y) | |
1da177e4 | 223 | |
f44f82e8 | 224 | # The first directory contains additional information for the boot setup code |
1da177e4 | 225 | ifneq ($(machine-y),) |
f44f82e8 | 226 | MACHINE := arch/arm/mach-$(word 1,$(machine-y))/ |
1da177e4 LT |
227 | else |
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 | ||
234 | ifeq ($(KBUILD_SRC),) | |
235 | KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs)) | |
236 | else | |
237 | KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs)) | |
238 | endif | |
239 | ||
f8c07de6 | 240 | export TEXT_OFFSET GZFLAGS MMUEXT |
1da177e4 LT |
241 | |
242 | # Do we have FASTFPE? | |
243 | FASTFPE :=arch/arm/fastfpe | |
244 | ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) | |
245 | FASTFPE_OBJ :=$(FASTFPE)/ | |
246 | endif | |
247 | ||
1da177e4 LT |
248 | core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ |
249 | core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) | |
250 | core-$(CONFIG_VFP) += arch/arm/vfp/ | |
251 | ||
c62d0f2a NP |
252 | # If we have a machine-specific directory, then include it in the build. |
253 | core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ | |
ddecdfce | 254 | core-y += arch/arm/net/ |
c62d0f2a NP |
255 | core-y += $(machdirs) $(platdirs) |
256 | ||
1da177e4 | 257 | drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ |
1da177e4 | 258 | |
30c2f90b | 259 | libs-y := arch/arm/lib/ $(libs-y) |
1da177e4 LT |
260 | |
261 | # Default target when executing plain make | |
262 | ifeq ($(CONFIG_XIP_KERNEL),y) | |
51342d71 | 263 | KBUILD_IMAGE := xipImage |
1da177e4 | 264 | else |
51342d71 | 265 | KBUILD_IMAGE := zImage |
1da177e4 LT |
266 | endif |
267 | ||
51342d71 RK |
268 | all: $(KBUILD_IMAGE) |
269 | ||
1da177e4 LT |
270 | boot := arch/arm/boot |
271 | ||
66206536 SR |
272 | archprepare: |
273 | $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h | |
1da177e4 LT |
274 | |
275 | # Convert bzImage to zImage | |
276 | bzImage: zImage | |
277 | ||
278 | zImage Image xipImage bootpImage uImage: vmlinux | |
279 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ | |
280 | ||
a65d2922 | 281 | zinstall uinstall install: vmlinux |
1da177e4 LT |
282 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ |
283 | ||
5fd1a2ed RH |
284 | %.dtb: |
285 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ | |
286 | ||
287 | dtbs: | |
288 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ | |
289 | ||
1da177e4 LT |
290 | # We use MRPROPER_FILES and CLEAN_FILES now |
291 | archclean: | |
292 | $(Q)$(MAKE) $(clean)=$(boot) | |
293 | ||
294 | # My testing targets (bypasses dependencies) | |
295 | bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage | |
296 | i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ | |
297 | ||
1da177e4 LT |
298 | |
299 | define archhelp | |
300 | echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' | |
301 | echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' | |
302 | echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' | |
a4f14bac | 303 | echo ' uImage - U-Boot wrapped zImage' |
1da177e4 LT |
304 | echo ' bootpImage - Combined zImage and initial RAM disk' |
305 | echo ' (supply initrd image via make variable INITRD=<path>)' | |
5fd1a2ed | 306 | echo ' dtbs - Build device tree blobs for enabled boards' |
1da177e4 LT |
307 | echo ' install - Install uncompressed kernel' |
308 | echo ' zinstall - Install compressed kernel' | |
a65d2922 | 309 | echo ' uinstall - Install U-Boot wrapped compressed kernel' |
caa27b66 SR |
310 | echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or' |
311 | echo ' (distribution) /sbin/$(INSTALLKERNEL) or' | |
1da177e4 LT |
312 | echo ' install to $$(INSTALL_PATH) and run lilo' |
313 | endef |