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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 | LDFLAGS_vmlinux :=-p --no-undefined -X |
14 | ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) |
15 | LDFLAGS_vmlinux += --be8 |
16 | endif |
17 | |
18 | OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S |
19 | GZFLAGS :=-9 |
20 | #KBUILD_CFLAGS +=-pipe |
21 | # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: |
22 | KBUILD_CFLAGS +=$(call cc-option,-marm,) |
23 | |
24 | # Do not use arch/arm/defconfig - it's always outdated. |
25 | # Select a platform tht is kept up-to-date |
26 | KBUILD_DEFCONFIG := versatile_defconfig |
27 | |
28 | # defines filename extension depending memory management type. |
29 | ifeq ($(CONFIG_MMU),) |
30 | MMUEXT := -nommu |
31 | endif |
32 | |
33 | ifeq ($(CONFIG_FRAME_POINTER),y) |
34 | KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog |
35 | endif |
36 | |
37 | ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) |
38 | KBUILD_CPPFLAGS += -mbig-endian |
39 | AS += -EB |
40 | LD += -EB |
41 | else |
42 | KBUILD_CPPFLAGS += -mlittle-endian |
43 | AS += -EL |
44 | LD += -EL |
45 | endif |
46 | |
47 | comma = , |
48 | |
49 | # This selects which instruction set is used. |
50 | # Note that GCC does not numerically define an architecture version |
51 | # macro, but instead defines a whole series of macros which makes |
52 | # testing for a specific architecture or later rather impossible. |
53 | arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) |
54 | arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) |
55 | # Only override the compiler option if ARMv6. The ARMv6K extensions are |
56 | # always available in ARMv7 |
57 | ifeq ($(CONFIG_CPU_32v6),y) |
58 | arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) |
59 | endif |
60 | arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) |
61 | arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t |
62 | arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 |
63 | arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 |
64 | |
65 | # This selects how we optimise for the processor. |
66 | tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610 |
67 | tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710 |
68 | tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi |
69 | tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi |
70 | tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi |
71 | tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi |
72 | tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi |
73 | tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi) |
74 | tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi |
75 | tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi |
76 | tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi |
77 | tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi |
78 | tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi |
79 | tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 |
80 | tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 |
81 | tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale |
82 | tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale |
83 | tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale) |
84 | tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) |
85 | |
86 | ifeq ($(CONFIG_AEABI),y) |
87 | CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork |
88 | else |
89 | CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) |
90 | endif |
91 | |
92 | ifeq ($(CONFIG_ARM_UNWIND),y) |
93 | CFLAGS_ABI +=-funwind-tables |
94 | endif |
95 | |
96 | ifeq ($(CONFIG_THUMB2_KERNEL),y) |
97 | AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it) |
98 | AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W) |
99 | CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN) |
100 | AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb |
101 | endif |
102 | |
103 | # Need -Uarm for gcc < 3.x |
104 | KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm |
105 | KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float |
106 | |
107 | CHECKFLAGS += -D__arm__ |
108 | |
109 | #Default value |
110 | head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o |
111 | textofs-y := 0x00008000 |
112 | textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 |
113 | # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory |
114 | ifeq ($(CONFIG_ARCH_SA1100),y) |
115 | textofs-$(CONFIG_SA1111) := 0x00208000 |
116 | endif |
117 | |
118 | # Machine directory name. This list is sorted alphanumerically |
119 | # by CONFIG_* macro name. |
120 | machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 |
121 | machine-$(CONFIG_ARCH_AT91) := at91 |
122 | machine-$(CONFIG_ARCH_BCMRING) := bcmring |
123 | machine-$(CONFIG_ARCH_CLPS711X) := clps711x |
124 | machine-$(CONFIG_ARCH_DAVINCI) := davinci |
125 | machine-$(CONFIG_ARCH_DOVE) := dove |
126 | machine-$(CONFIG_ARCH_EBSA110) := ebsa110 |
127 | machine-$(CONFIG_ARCH_EP93XX) := ep93xx |
128 | machine-$(CONFIG_ARCH_GEMINI) := gemini |
129 | machine-$(CONFIG_ARCH_H720X) := h720x |
130 | machine-$(CONFIG_ARCH_INTEGRATOR) := integrator |
131 | machine-$(CONFIG_ARCH_IOP13XX) := iop13xx |
132 | machine-$(CONFIG_ARCH_IOP32X) := iop32x |
133 | machine-$(CONFIG_ARCH_IOP33X) := iop33x |
134 | machine-$(CONFIG_ARCH_IXP2000) := ixp2000 |
135 | machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx |
136 | machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx |
137 | machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood |
138 | machine-$(CONFIG_ARCH_KS8695) := ks8695 |
139 | machine-$(CONFIG_ARCH_L7200) := l7200 |
140 | machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x |
141 | machine-$(CONFIG_ARCH_LOKI) := loki |
142 | machine-$(CONFIG_ARCH_MMP) := mmp |
143 | machine-$(CONFIG_ARCH_MSM) := msm |
144 | machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 |
145 | machine-$(CONFIG_ARCH_MX1) := mx1 |
146 | machine-$(CONFIG_ARCH_MX2) := mx2 |
147 | machine-$(CONFIG_ARCH_MX25) := mx25 |
148 | machine-$(CONFIG_ARCH_MX3) := mx3 |
149 | machine-$(CONFIG_ARCH_MX5) := mx5 |
150 | machine-$(CONFIG_ARCH_MXC91231) := mxc91231 |
151 | machine-$(CONFIG_ARCH_NETX) := netx |
152 | machine-$(CONFIG_ARCH_NOMADIK) := nomadik |
153 | machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx |
154 | machine-$(CONFIG_ARCH_OMAP1) := omap1 |
155 | machine-$(CONFIG_ARCH_OMAP2) := omap2 |
156 | machine-$(CONFIG_ARCH_OMAP3) := omap2 |
157 | machine-$(CONFIG_ARCH_OMAP4) := omap2 |
158 | machine-$(CONFIG_ARCH_ORION5X) := orion5x |
159 | machine-$(CONFIG_ARCH_PNX4008) := pnx4008 |
160 | machine-$(CONFIG_ARCH_PXA) := pxa |
161 | machine-$(CONFIG_ARCH_REALVIEW) := realview |
162 | machine-$(CONFIG_ARCH_RPC) := rpc |
163 | machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2443 |
164 | machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0 |
165 | machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx |
166 | machine-$(CONFIG_ARCH_S5P6440) := s5p6440 |
167 | machine-$(CONFIG_ARCH_S5P6442) := s5p6442 |
168 | machine-$(CONFIG_ARCH_S5PC1XX) := s5pc100 |
169 | machine-$(CONFIG_ARCH_S5PV210) := s5pv210 |
170 | machine-$(CONFIG_ARCH_SA1100) := sa1100 |
171 | machine-$(CONFIG_ARCH_SHARK) := shark |
172 | machine-$(CONFIG_ARCH_SHMOBILE) := shmobile |
173 | machine-$(CONFIG_ARCH_STMP378X) := stmp378x |
174 | machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx |
175 | machine-$(CONFIG_ARCH_U300) := u300 |
176 | machine-$(CONFIG_ARCH_U8500) := ux500 |
177 | machine-$(CONFIG_ARCH_VERSATILE) := versatile |
178 | machine-$(CONFIG_ARCH_W90X900) := w90x900 |
179 | machine-$(CONFIG_ARCH_NUC93X) := nuc93x |
180 | machine-$(CONFIG_FOOTBRIDGE) := footbridge |
181 | |
182 | # Platform directory name. This list is sorted alphanumerically |
183 | # by CONFIG_* macro name. |
184 | plat-$(CONFIG_ARCH_MXC) := mxc |
185 | plat-$(CONFIG_ARCH_OMAP) := omap |
186 | plat-$(CONFIG_ARCH_S3C64XX) := samsung |
187 | plat-$(CONFIG_ARCH_STMP3XXX) := stmp3xxx |
188 | plat-$(CONFIG_PLAT_IOP) := iop |
189 | plat-$(CONFIG_PLAT_NOMADIK) := nomadik |
190 | plat-$(CONFIG_PLAT_ORION) := orion |
191 | plat-$(CONFIG_PLAT_PXA) := pxa |
192 | plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx samsung |
193 | plat-$(CONFIG_PLAT_S5PC1XX) := s5pc1xx samsung |
194 | plat-$(CONFIG_PLAT_S5P) := s5p samsung |
195 | |
196 | ifeq ($(CONFIG_ARCH_EBSA110),y) |
197 | # This is what happens if you forget the IOCS16 line. |
198 | # PCMCIA cards stop working. |
199 | CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL |
200 | export CFLAGS_3c589_cs.o |
201 | endif |
202 | |
203 | # The byte offset of the kernel image in RAM from the start of RAM. |
204 | TEXT_OFFSET := $(textofs-y) |
205 | |
206 | # The first directory contains additional information for the boot setup code |
207 | ifneq ($(machine-y),) |
208 | MACHINE := arch/arm/mach-$(word 1,$(machine-y))/ |
209 | else |
210 | MACHINE := |
211 | endif |
212 | |
213 | machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) |
214 | platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y)) |
215 | |
216 | ifeq ($(KBUILD_SRC),) |
217 | KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs)) |
218 | else |
219 | KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs)) |
220 | endif |
221 | |
222 | export TEXT_OFFSET GZFLAGS MMUEXT |
223 | |
224 | # Do we have FASTFPE? |
225 | FASTFPE :=arch/arm/fastfpe |
226 | ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) |
227 | FASTFPE_OBJ :=$(FASTFPE)/ |
228 | endif |
229 | |
230 | # If we have a machine-specific directory, then include it in the build. |
231 | core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ |
232 | core-y += $(machdirs) $(platdirs) |
233 | core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ |
234 | core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) |
235 | core-$(CONFIG_VFP) += arch/arm/vfp/ |
236 | |
237 | drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ |
238 | |
239 | libs-y := arch/arm/lib/ $(libs-y) |
240 | |
241 | # Default target when executing plain make |
242 | ifeq ($(CONFIG_XIP_KERNEL),y) |
243 | KBUILD_IMAGE := xipImage |
244 | else |
245 | KBUILD_IMAGE := zImage |
246 | endif |
247 | |
248 | all: $(KBUILD_IMAGE) |
249 | |
250 | boot := arch/arm/boot |
251 | |
252 | archprepare: |
253 | $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h |
254 | |
255 | # Convert bzImage to zImage |
256 | bzImage: zImage |
257 | |
258 | zImage Image xipImage bootpImage uImage: vmlinux |
259 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ |
260 | |
261 | zinstall install: vmlinux |
262 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ |
263 | |
264 | # We use MRPROPER_FILES and CLEAN_FILES now |
265 | archclean: |
266 | $(Q)$(MAKE) $(clean)=$(boot) |
267 | |
268 | # My testing targets (bypasses dependencies) |
269 | bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage |
270 | i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ |
271 | |
272 | |
273 | define archhelp |
274 | echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' |
275 | echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' |
276 | echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' |
277 | echo ' uImage - U-Boot wrapped zImage' |
278 | echo ' bootpImage - Combined zImage and initial RAM disk' |
279 | echo ' (supply initrd image via make variable INITRD=<path>)' |
280 | echo ' install - Install uncompressed kernel' |
281 | echo ' zinstall - Install compressed kernel' |
282 | echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or' |
283 | echo ' (distribution) /sbin/$(INSTALLKERNEL) or' |
284 | echo ' install to $$(INSTALL_PATH) and run lilo' |
285 | endef |
286 |
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