0ce9d0f71f2a318c240e60ab019d155dc94e6925
[pandora-kernel.git] / arch / arm / Makefile
1 #
2 # arch/arm/Makefile
3 #
4 # This file is included by the global makefile so that you can add your own
5 # architecture-specific flags and dependencies.
6 #
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 # Ensure linker flags are correct
14 LDFLAGS         :=
15
16 LDFLAGS_vmlinux :=-p --no-undefined -X
17 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
18 LDFLAGS_vmlinux += --be8
19 LDFLAGS_MODULE  += --be8
20 endif
21
22 OBJCOPYFLAGS    :=-O binary -R .comment -S
23 GZFLAGS         :=-9
24 #KBUILD_CFLAGS  +=-pipe
25
26 # Never generate .eh_frame
27 KBUILD_CFLAGS   += $(call cc-option,-fno-dwarf2-cfi-asm)
28
29 # Do not use arch/arm/defconfig - it's always outdated.
30 # Select a platform tht is kept up-to-date
31 KBUILD_DEFCONFIG := versatile_defconfig
32
33 # defines filename extension depending memory management type.
34 ifeq ($(CONFIG_MMU),)
35 MMUEXT          := -nommu
36 KBUILD_CFLAGS   += $(call cc-option,-mno-unaligned-access)
37 endif
38
39 ifeq ($(CONFIG_FRAME_POINTER),y)
40 KBUILD_CFLAGS   +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
41 endif
42
43 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
44 KBUILD_CPPFLAGS += -mbig-endian
45 AS              += -EB
46 LD              += -EB
47 else
48 KBUILD_CPPFLAGS += -mlittle-endian
49 AS              += -EL
50 LD              += -EL
51 endif
52
53 comma = ,
54
55 # This selects which instruction set is used.
56 # Note that GCC does not numerically define an architecture version
57 # macro, but instead defines a whole series of macros which makes
58 # testing for a specific architecture or later rather impossible.
59 arch-$(CONFIG_CPU_32v7M)        =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
60 arch-$(CONFIG_CPU_32v7)         =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
61 arch-$(CONFIG_CPU_32v6)         =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
62 # Only override the compiler option if ARMv6. The ARMv6K extensions are
63 # always available in ARMv7
64 ifeq ($(CONFIG_CPU_32v6),y)
65 arch-$(CONFIG_CPU_32v6K)        =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
66 endif
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
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 # Evaluate arch cc-option calls now
73 arch-y := $(arch-y)
74
75 # This selects how we optimise for the processor.
76 tune-$(CONFIG_CPU_ARM7TDMI)     =-mtune=arm7tdmi
77 tune-$(CONFIG_CPU_ARM720T)      =-mtune=arm7tdmi
78 tune-$(CONFIG_CPU_ARM740T)      =-mtune=arm7tdmi
79 tune-$(CONFIG_CPU_ARM9TDMI)     =-mtune=arm9tdmi
80 tune-$(CONFIG_CPU_ARM940T)      =-mtune=arm9tdmi
81 tune-$(CONFIG_CPU_ARM946E)      =$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
82 tune-$(CONFIG_CPU_ARM920T)      =-mtune=arm9tdmi
83 tune-$(CONFIG_CPU_ARM922T)      =-mtune=arm9tdmi
84 tune-$(CONFIG_CPU_ARM925T)      =-mtune=arm9tdmi
85 tune-$(CONFIG_CPU_ARM926T)      =-mtune=arm9tdmi
86 tune-$(CONFIG_CPU_FA526)        =-mtune=arm9tdmi
87 tune-$(CONFIG_CPU_SA110)        =-mtune=strongarm110
88 tune-$(CONFIG_CPU_SA1100)       =-mtune=strongarm1100
89 tune-$(CONFIG_CPU_XSCALE)       =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
90 tune-$(CONFIG_CPU_XSC3)         =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
91 tune-$(CONFIG_CPU_FEROCEON)     =$(call cc-option,-mtune=marvell-f,-mtune=xscale)
92 tune-$(CONFIG_CPU_V6)           =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
93 tune-$(CONFIG_CPU_V6K)          =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
94
95 # Evaluate tune cc-option calls now
96 tune-y := $(tune-y)
97
98 ifeq ($(CONFIG_AEABI),y)
99 CFLAGS_ABI      :=-mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp
100 else
101 CFLAGS_ABI      :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
102 endif
103
104 ifeq ($(CONFIG_ARM_UNWIND),y)
105 CFLAGS_ABI      +=-funwind-tables
106 endif
107
108 ifeq ($(CONFIG_THUMB2_KERNEL),y)
109 AFLAGS_AUTOIT   :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
110 AFLAGS_NOWARN   :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
111 CFLAGS_ISA      :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
112 AFLAGS_ISA      :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
113 # Work around buggy relocation from gas if requested:
114 ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
115 CFLAGS_MODULE   +=-fno-optimize-sibling-calls
116 endif
117 else
118 CFLAGS_ISA      :=$(call cc-option,-marm,)
119 AFLAGS_ISA      :=$(CFLAGS_ISA)
120 endif
121
122 # Need -Uarm for gcc < 3.x
123 KBUILD_CFLAGS   +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
124 KBUILD_AFLAGS   +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
125
126 CHECKFLAGS      += -D__arm__
127
128 #Default value
129 head-y          := arch/arm/kernel/head$(MMUEXT).o
130
131 # Text offset. This list is sorted numerically by address in order to
132 # provide a means to avoid/resolve conflicts in multi-arch kernels.
133 textofs-y       := 0x00008000
134 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
135 # We don't want the htc bootloader to corrupt kernel during resume
136 textofs-$(CONFIG_PM_H1940)      := 0x00108000
137 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
138 ifeq ($(CONFIG_ARCH_SA1100),y)
139 textofs-$(CONFIG_SA1111) := 0x00208000
140 endif
141 textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000
142 textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
143 textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
144 textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
145
146 # Machine directory name.  This list is sorted alphanumerically
147 # by CONFIG_* macro name.
148 machine-$(CONFIG_ARCH_AT91)             += at91
149 machine-$(CONFIG_ARCH_AXXIA)            += axxia
150 machine-$(CONFIG_ARCH_BCM)              += bcm
151 machine-$(CONFIG_ARCH_BERLIN)           += berlin
152 machine-$(CONFIG_ARCH_CLPS711X)         += clps711x
153 machine-$(CONFIG_ARCH_CNS3XXX)          += cns3xxx
154 machine-$(CONFIG_ARCH_DAVINCI)          += davinci
155 machine-$(CONFIG_ARCH_DOVE)             += dove
156 machine-$(CONFIG_ARCH_EBSA110)          += ebsa110
157 machine-$(CONFIG_ARCH_EFM32)            += efm32
158 machine-$(CONFIG_ARCH_EP93XX)           += ep93xx
159 machine-$(CONFIG_ARCH_EXYNOS)           += exynos
160 machine-$(CONFIG_ARCH_GEMINI)           += gemini
161 machine-$(CONFIG_ARCH_HIGHBANK)         += highbank
162 machine-$(CONFIG_ARCH_HISI)             += hisi
163 machine-$(CONFIG_ARCH_INTEGRATOR)       += integrator
164 machine-$(CONFIG_ARCH_IOP13XX)          += iop13xx
165 machine-$(CONFIG_ARCH_IOP32X)           += iop32x
166 machine-$(CONFIG_ARCH_IOP33X)           += iop33x
167 machine-$(CONFIG_ARCH_IXP4XX)           += ixp4xx
168 machine-$(CONFIG_ARCH_KEYSTONE)         += keystone
169 machine-$(CONFIG_ARCH_KS8695)           += ks8695
170 machine-$(CONFIG_ARCH_LPC32XX)          += lpc32xx
171 machine-$(CONFIG_ARCH_MMP)              += mmp
172 machine-$(CONFIG_ARCH_MOXART)           += moxart
173 machine-$(CONFIG_ARCH_MSM)              += msm
174 machine-$(CONFIG_ARCH_MV78XX0)          += mv78xx0
175 machine-$(CONFIG_ARCH_MVEBU)            += mvebu
176 machine-$(CONFIG_ARCH_MXC)              += imx
177 machine-$(CONFIG_ARCH_MEDIATEK)         += mediatek
178 machine-$(CONFIG_ARCH_MXS)              += mxs
179 machine-$(CONFIG_ARCH_NETX)             += netx
180 machine-$(CONFIG_ARCH_NOMADIK)          += nomadik
181 machine-$(CONFIG_ARCH_NSPIRE)           += nspire
182 machine-$(CONFIG_ARCH_OMAP1)            += omap1
183 machine-$(CONFIG_ARCH_OMAP2PLUS)        += omap2
184 machine-$(CONFIG_ARCH_ORION5X)          += orion5x
185 machine-$(CONFIG_ARCH_PICOXCELL)        += picoxcell
186 machine-$(CONFIG_ARCH_PXA)              += pxa
187 machine-$(CONFIG_ARCH_QCOM)             += qcom
188 machine-$(CONFIG_ARCH_REALVIEW)         += realview
189 machine-$(CONFIG_ARCH_ROCKCHIP)         += rockchip
190 machine-$(CONFIG_ARCH_RPC)              += rpc
191 machine-$(CONFIG_ARCH_S3C24XX)          += s3c24xx
192 machine-$(CONFIG_ARCH_S3C64XX)          += s3c64xx
193 machine-$(CONFIG_ARCH_S5PV210)          += s5pv210
194 machine-$(CONFIG_ARCH_SA1100)           += sa1100
195 machine-$(CONFIG_ARCH_SHMOBILE)         += shmobile
196 machine-$(CONFIG_ARCH_SIRF)             += prima2
197 machine-$(CONFIG_ARCH_SOCFPGA)          += socfpga
198 machine-$(CONFIG_ARCH_STI)              += sti
199 machine-$(CONFIG_ARCH_SUNXI)            += sunxi
200 machine-$(CONFIG_ARCH_TEGRA)            += tegra
201 machine-$(CONFIG_ARCH_U300)             += u300
202 machine-$(CONFIG_ARCH_U8500)            += ux500
203 machine-$(CONFIG_ARCH_VERSATILE)        += versatile
204 machine-$(CONFIG_ARCH_VEXPRESS)         += vexpress
205 machine-$(CONFIG_ARCH_VT8500)           += vt8500
206 machine-$(CONFIG_ARCH_W90X900)          += w90x900
207 machine-$(CONFIG_ARCH_ZYNQ)             += zynq
208 machine-$(CONFIG_FOOTBRIDGE)            += footbridge
209 machine-$(CONFIG_PLAT_SPEAR)            += spear
210
211 # Platform directory name.  This list is sorted alphanumerically
212 # by CONFIG_* macro name.
213 plat-$(CONFIG_ARCH_EXYNOS)      += samsung
214 plat-$(CONFIG_ARCH_OMAP)        += omap
215 plat-$(CONFIG_ARCH_S3C64XX)     += samsung
216 plat-$(CONFIG_ARCH_S5PV210)     += samsung
217 plat-$(CONFIG_PLAT_IOP)         += iop
218 plat-$(CONFIG_PLAT_ORION)       += orion
219 plat-$(CONFIG_PLAT_PXA)         += pxa
220 plat-$(CONFIG_PLAT_S3C24XX)     += samsung
221 plat-$(CONFIG_PLAT_VERSATILE)   += versatile
222
223 ifeq ($(CONFIG_ARCH_EBSA110),y)
224 # This is what happens if you forget the IOCS16 line.
225 # PCMCIA cards stop working.
226 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
227 export CFLAGS_3c589_cs.o
228 endif
229
230 # The byte offset of the kernel image in RAM from the start of RAM.
231 TEXT_OFFSET := $(textofs-y)
232
233 # The first directory contains additional information for the boot setup code
234 ifneq ($(machine-y),)
235 MACHINE  := arch/arm/mach-$(word 1,$(machine-y))/
236 else
237 MACHINE  :=
238 endif
239 ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y)
240 MACHINE  :=
241 endif
242
243 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
244 platdirs := $(patsubst %,arch/arm/plat-%/,$(sort $(plat-y)))
245
246 ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
247 ifeq ($(KBUILD_SRC),)
248 KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
249 else
250 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
251 endif
252 endif
253
254 export  TEXT_OFFSET GZFLAGS MMUEXT
255
256 # Do we have FASTFPE?
257 FASTFPE         :=arch/arm/fastfpe
258 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
259 FASTFPE_OBJ     :=$(FASTFPE)/
260 endif
261
262 core-$(CONFIG_FPE_NWFPE)        += arch/arm/nwfpe/
263 core-$(CONFIG_FPE_FASTFPE)      += $(FASTFPE_OBJ)
264 core-$(CONFIG_VFP)              += arch/arm/vfp/
265 core-$(CONFIG_XEN)              += arch/arm/xen/
266 core-$(CONFIG_KVM_ARM_HOST)     += arch/arm/kvm/
267
268 # If we have a machine-specific directory, then include it in the build.
269 core-y                          += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
270 core-y                          += arch/arm/net/
271 core-y                          += arch/arm/crypto/
272 core-y                          += arch/arm/firmware/
273 core-y                          += $(machdirs) $(platdirs)
274
275 drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/
276
277 libs-y                          := arch/arm/lib/ $(libs-y)
278
279 # Default target when executing plain make
280 ifeq ($(CONFIG_XIP_KERNEL),y)
281 KBUILD_IMAGE := xipImage
282 else
283 KBUILD_IMAGE := zImage
284 endif
285
286 # Build the DT binary blobs if we have OF configured
287 ifeq ($(CONFIG_USE_OF),y)
288 KBUILD_DTBS := dtbs
289 endif
290
291 all:    $(KBUILD_IMAGE) $(KBUILD_DTBS)
292
293 boot := arch/arm/boot
294
295 archprepare:
296         $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h
297
298 # Convert bzImage to zImage
299 bzImage: zImage
300
301 BOOT_TARGETS    = zImage Image xipImage bootpImage uImage
302 INSTALL_TARGETS = zinstall uinstall install
303
304 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
305
306 $(BOOT_TARGETS): vmlinux
307         $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
308
309 $(INSTALL_TARGETS):
310         $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
311
312 %.dtb: | scripts
313         $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
314
315 PHONY += dtbs dtbs_install
316 dtbs dtbs_install: prepare scripts
317         $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $@
318
319 # We use MRPROPER_FILES and CLEAN_FILES now
320 archclean:
321         $(Q)$(MAKE) $(clean)=$(boot)
322
323 # My testing targets (bypasses dependencies)
324 bp:;    $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
325 i zi:;  $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
326
327
328 define archhelp
329   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
330   echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
331   echo  '* xipImage      - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
332   echo  '  uImage        - U-Boot wrapped zImage'
333   echo  '  bootpImage    - Combined zImage and initial RAM disk'
334   echo  '                  (supply initrd image via make variable INITRD=<path>)'
335   echo  '* dtbs          - Build device tree blobs for enabled boards'
336   echo  '  dtbs_install  - Install dtbs to $(INSTALL_DTBS_PATH)'
337   echo  '  install       - Install uncompressed kernel'
338   echo  '  zinstall      - Install compressed kernel'
339   echo  '  uinstall      - Install U-Boot wrapped compressed kernel'
340   echo  '                  Install using (your) ~/bin/$(INSTALLKERNEL) or'
341   echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
342   echo  '                  install to $$(INSTALL_PATH) and run lilo'
343 endef