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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 | ||
13 | LDFLAGS_vmlinux :=-p --no-undefined -X | |
9d4f13e5 | 14 | CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET) |
1e621a8e | 15 | OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S |
1da177e4 | 16 | GZFLAGS :=-9 |
a0f97e06 | 17 | #KBUILD_CFLAGS +=-pipe |
5636810d | 18 | # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: |
a0f97e06 | 19 | KBUILD_CFLAGS +=$(call cc-option,-marm,) |
1da177e4 LT |
20 | |
21 | # Do not use arch/arm/defconfig - it's always outdated. | |
22 | # Select a platform tht is kept up-to-date | |
23 | KBUILD_DEFCONFIG := versatile_defconfig | |
24 | ||
f8c07de6 HC |
25 | # defines filename extension depending memory manement type. |
26 | ifeq ($(CONFIG_MMU),) | |
27 | MMUEXT := -nommu | |
28 | endif | |
29 | ||
1da177e4 | 30 | ifeq ($(CONFIG_FRAME_POINTER),y) |
a0f97e06 | 31 | KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog |
1da177e4 LT |
32 | endif |
33 | ||
34 | ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) | |
06c5040c | 35 | KBUILD_CPPFLAGS += -mbig-endian |
1da177e4 LT |
36 | AS += -EB |
37 | LD += -EB | |
38 | else | |
06c5040c | 39 | KBUILD_CPPFLAGS += -mlittle-endian |
1da177e4 LT |
40 | AS += -EL |
41 | LD += -EL | |
42 | endif | |
43 | ||
44 | comma = , | |
45 | ||
46 | # This selects which instruction set is used. | |
47 | # Note that GCC does not numerically define an architecture version | |
48 | # macro, but instead defines a whole series of macros which makes | |
49 | # testing for a specific architecture or later rather impossible. | |
23688e99 | 50 | arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7a,-march=armv5t -Wa$(comma)-march=armv7a) |
1da177e4 | 51 | arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) |
23688e99 CM |
52 | # Only override the compiler option if ARMv6. The ARMv6K extensions are |
53 | # always available in ARMv7 | |
54 | ifeq ($(CONFIG_CPU_32v6),y) | |
4a5f79e7 | 55 | arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) |
23688e99 | 56 | endif |
260e98ed LB |
57 | arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) |
58 | arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t | |
1da177e4 LT |
59 | arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 |
60 | arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 | |
61 | ||
62 | # This selects how we optimise for the processor. | |
63 | tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610 | |
64 | tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710 | |
07e0da78 | 65 | tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi |
1da177e4 | 66 | tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi |
b731c311 | 67 | tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi |
43f5f014 | 68 | tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi |
d60674eb | 69 | tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi |
f37f46eb | 70 | tune-$(CONFIG_CPU_ARM946T) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi) |
1da177e4 LT |
71 | tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi |
72 | tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi | |
73 | tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi | |
74 | tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi | |
75 | tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 | |
76 | tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 | |
77 | tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale | |
23bdf86a | 78 | tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale |
cd26f45b | 79 | tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) |
1da177e4 | 80 | |
704bdda0 | 81 | ifeq ($(CONFIG_AEABI),y) |
c7fd8442 | 82 | CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork |
704bdda0 | 83 | else |
c28a814f | 84 | CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) |
704bdda0 NP |
85 | endif |
86 | ||
87 | # Need -Uarm for gcc < 3.x | |
a0f97e06 | 88 | KBUILD_CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm |
222d394d | 89 | KBUILD_AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float |
1da177e4 LT |
90 | |
91 | CHECKFLAGS += -D__arm__ | |
92 | ||
93 | #Default value | |
75d90832 | 94 | head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o |
9d4f13e5 | 95 | textofs-y := 0x00008000 |
1da177e4 LT |
96 | |
97 | machine-$(CONFIG_ARCH_RPC) := rpc | |
98 | machine-$(CONFIG_ARCH_EBSA110) := ebsa110 | |
99 | machine-$(CONFIG_ARCH_CLPS7500) := clps7500 | |
100 | incdir-$(CONFIG_ARCH_CLPS7500) := cl7500 | |
101 | machine-$(CONFIG_FOOTBRIDGE) := footbridge | |
102 | incdir-$(CONFIG_FOOTBRIDGE) := ebsa285 | |
1da177e4 LT |
103 | machine-$(CONFIG_ARCH_CO285) := footbridge |
104 | incdir-$(CONFIG_ARCH_CO285) := ebsa285 | |
105 | machine-$(CONFIG_ARCH_SHARK) := shark | |
106 | machine-$(CONFIG_ARCH_SA1100) := sa1100 | |
107 | ifeq ($(CONFIG_ARCH_SA1100),y) | |
108 | # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory | |
9d4f13e5 | 109 | textofs-$(CONFIG_SA1111) := 0x00208000 |
1da177e4 LT |
110 | endif |
111 | machine-$(CONFIG_ARCH_PXA) := pxa | |
112 | machine-$(CONFIG_ARCH_L7200) := l7200 | |
113 | machine-$(CONFIG_ARCH_INTEGRATOR) := integrator | |
9d4f13e5 | 114 | textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 |
1da177e4 | 115 | machine-$(CONFIG_ARCH_CLPS711X) := clps711x |
3f7e5815 LB |
116 | machine-$(CONFIG_ARCH_IOP32X) := iop32x |
117 | machine-$(CONFIG_ARCH_IOP33X) := iop33x | |
285f5fa7 | 118 | machine-$(CONFIG_ARCH_IOP13XX) := iop13xx |
1da177e4 LT |
119 | machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx |
120 | machine-$(CONFIG_ARCH_IXP2000) := ixp2000 | |
c4713074 | 121 | machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx |
d48af15e | 122 | machine-$(CONFIG_ARCH_OMAP1) := omap1 |
1dbae815 | 123 | machine-$(CONFIG_ARCH_OMAP2) := omap2 |
d48af15e | 124 | incdir-$(CONFIG_ARCH_OMAP) := omap |
1da177e4 LT |
125 | machine-$(CONFIG_ARCH_S3C2410) := s3c2410 |
126 | machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x | |
127 | machine-$(CONFIG_ARCH_VERSATILE) := versatile | |
128 | machine-$(CONFIG_ARCH_IMX) := imx | |
129 | machine-$(CONFIG_ARCH_H720X) := h720x | |
038c5b60 | 130 | machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 |
8ad68bbf | 131 | machine-$(CONFIG_ARCH_REALVIEW) := realview |
4afffe5e | 132 | machine-$(CONFIG_ARCH_AT91) := at91 |
9918cda5 UKK |
133 | machine-$(CONFIG_ARCH_EP93XX) := ep93xx |
134 | machine-$(CONFIG_ARCH_PNX4008) := pnx4008 | |
135 | machine-$(CONFIG_ARCH_NETX) := netx | |
136 | machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx | |
7c6337e2 | 137 | machine-$(CONFIG_ARCH_DAVINCI) := davinci |
c53c9cf6 | 138 | machine-$(CONFIG_ARCH_KS8695) := ks8695 |
52c543f9 QJ |
139 | incdir-$(CONFIG_ARCH_MXC) := mxc |
140 | machine-$(CONFIG_ARCH_MX3) := mx3 | |
9dd0b194 | 141 | machine-$(CONFIG_ARCH_ORION5X) := orion5x |
3042102a | 142 | machine-$(CONFIG_ARCH_MSM7X00A) := msm |
1da177e4 LT |
143 | |
144 | ifeq ($(CONFIG_ARCH_EBSA110),y) | |
145 | # This is what happens if you forget the IOCS16 line. | |
146 | # PCMCIA cards stop working. | |
147 | CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL | |
148 | export CFLAGS_3c589_cs.o | |
149 | endif | |
150 | ||
9d4f13e5 RK |
151 | # The byte offset of the kernel image in RAM from the start of RAM. |
152 | TEXT_OFFSET := $(textofs-y) | |
1da177e4 LT |
153 | |
154 | ifeq ($(incdir-y),) | |
155 | incdir-y := $(machine-y) | |
156 | endif | |
157 | INCDIR := arch-$(incdir-y) | |
37d07b72 | 158 | |
1da177e4 LT |
159 | ifneq ($(machine-y),) |
160 | MACHINE := arch/arm/mach-$(machine-y)/ | |
161 | else | |
162 | MACHINE := | |
163 | endif | |
a21765a7 | 164 | |
f8c07de6 | 165 | export TEXT_OFFSET GZFLAGS MMUEXT |
1da177e4 LT |
166 | |
167 | # Do we have FASTFPE? | |
168 | FASTFPE :=arch/arm/fastfpe | |
169 | ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) | |
170 | FASTFPE_OBJ :=$(FASTFPE)/ | |
171 | endif | |
172 | ||
173 | # If we have a machine-specific directory, then include it in the build. | |
174 | core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ | |
175 | core-y += $(MACHINE) | |
a21765a7 BD |
176 | core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2400/ |
177 | core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2412/ | |
178 | core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2440/ | |
179 | core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2442/ | |
e4d06e39 | 180 | core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2443/ |
1da177e4 LT |
181 | core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ |
182 | core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) | |
183 | core-$(CONFIG_VFP) += arch/arm/vfp/ | |
184 | ||
d48af15e | 185 | # If we have a common platform directory, then include it in the build. |
7ae1f7ec | 186 | core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/ |
69b02f6a | 187 | core-$(CONFIG_PLAT_ORION) += arch/arm/plat-orion/ |
d48af15e | 188 | core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/ |
a21765a7 | 189 | core-$(CONFIG_PLAT_S3C24XX) += arch/arm/plat-s3c24xx/ |
52c543f9 | 190 | core-$(CONFIG_ARCH_MXC) += arch/arm/plat-mxc/ |
d48af15e | 191 | |
1da177e4 LT |
192 | drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ |
193 | drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/ | |
194 | drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/ | |
195 | ||
30c2f90b | 196 | libs-y := arch/arm/lib/ $(libs-y) |
1da177e4 LT |
197 | |
198 | # Default target when executing plain make | |
199 | ifeq ($(CONFIG_XIP_KERNEL),y) | |
51342d71 | 200 | KBUILD_IMAGE := xipImage |
1da177e4 | 201 | else |
51342d71 | 202 | KBUILD_IMAGE := zImage |
1da177e4 LT |
203 | endif |
204 | ||
51342d71 RK |
205 | all: $(KBUILD_IMAGE) |
206 | ||
1da177e4 LT |
207 | boot := arch/arm/boot |
208 | ||
209 | # Update machine arch and proc symlinks if something which affects | |
210 | # them changed. We use .arch to indicate when they were updated | |
211 | # last, otherwise make uses the target directory mtime. | |
212 | ||
2e3646e5 | 213 | include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf |
1da177e4 LT |
214 | @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)' |
215 | ifneq ($(KBUILD_SRC),) | |
216 | $(Q)mkdir -p include/asm-arm | |
217 | $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch | |
218 | else | |
219 | $(Q)ln -fsn $(INCDIR) include/asm-arm/arch | |
220 | endif | |
221 | @touch $@ | |
222 | ||
0b155694 | 223 | archprepare: maketools |
1da177e4 | 224 | |
4f193362 | 225 | PHONY += maketools FORCE |
0b155694 | 226 | maketools: include/linux/version.h include/asm-arm/.arch FORCE |
1da177e4 LT |
227 | $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h |
228 | ||
229 | # Convert bzImage to zImage | |
230 | bzImage: zImage | |
231 | ||
232 | zImage Image xipImage bootpImage uImage: vmlinux | |
233 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ | |
234 | ||
235 | zinstall install: vmlinux | |
236 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ | |
237 | ||
e6ae744d | 238 | CLEAN_FILES += include/asm-arm/mach-types.h \ |
1da177e4 LT |
239 | include/asm-arm/arch include/asm-arm/.arch |
240 | ||
241 | # We use MRPROPER_FILES and CLEAN_FILES now | |
242 | archclean: | |
243 | $(Q)$(MAKE) $(clean)=$(boot) | |
244 | ||
245 | # My testing targets (bypasses dependencies) | |
246 | bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage | |
247 | i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ | |
248 | ||
1da177e4 LT |
249 | |
250 | define archhelp | |
251 | echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' | |
252 | echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' | |
253 | echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' | |
a4f14bac | 254 | echo ' uImage - U-Boot wrapped zImage' |
1da177e4 LT |
255 | echo ' bootpImage - Combined zImage and initial RAM disk' |
256 | echo ' (supply initrd image via make variable INITRD=<path>)' | |
257 | echo ' install - Install uncompressed kernel' | |
258 | echo ' zinstall - Install compressed kernel' | |
259 | echo ' Install using (your) ~/bin/installkernel or' | |
260 | echo ' (distribution) /sbin/installkernel or' | |
261 | echo ' install to $$(INSTALL_PATH) and run lilo' | |
262 | endef |