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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=$(TEXT_OFFSET) |
1da177e4 LT |
15 | OBJCOPYFLAGS :=-O binary -R .note -R .comment -S |
16 | GZFLAGS :=-9 | |
17 | #CFLAGS +=-pipe | |
18 | ||
19 | # Do not use arch/arm/defconfig - it's always outdated. | |
20 | # Select a platform tht is kept up-to-date | |
21 | KBUILD_DEFCONFIG := versatile_defconfig | |
22 | ||
f8c07de6 HC |
23 | # defines filename extension depending memory manement type. |
24 | ifeq ($(CONFIG_MMU),) | |
25 | MMUEXT := -nommu | |
26 | endif | |
27 | ||
1da177e4 LT |
28 | ifeq ($(CONFIG_FRAME_POINTER),y) |
29 | CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog | |
30 | endif | |
31 | ||
32 | ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) | |
33 | CPPFLAGS += -mbig-endian | |
34 | AS += -EB | |
35 | LD += -EB | |
36 | else | |
37 | CPPFLAGS += -mlittle-endian | |
38 | AS += -EL | |
39 | LD += -EL | |
40 | endif | |
41 | ||
42 | comma = , | |
43 | ||
44 | # This selects which instruction set is used. | |
45 | # Note that GCC does not numerically define an architecture version | |
46 | # macro, but instead defines a whole series of macros which makes | |
47 | # testing for a specific architecture or later rather impossible. | |
48 | arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) | |
4a5f79e7 | 49 | arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) |
260e98ed LB |
50 | arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) |
51 | arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t | |
1da177e4 LT |
52 | arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 |
53 | arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 | |
54 | ||
55 | # This selects how we optimise for the processor. | |
56 | tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610 | |
57 | tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710 | |
58 | tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi | |
59 | tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi | |
60 | tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi | |
61 | tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi | |
62 | tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi | |
63 | tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 | |
64 | tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 | |
65 | tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale | |
23bdf86a | 66 | tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale |
cd26f45b | 67 | tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) |
1da177e4 | 68 | |
704bdda0 | 69 | ifeq ($(CONFIG_AEABI),y) |
c7fd8442 | 70 | CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork |
704bdda0 | 71 | else |
c28a814f | 72 | CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) |
704bdda0 NP |
73 | endif |
74 | ||
75 | # Need -Uarm for gcc < 3.x | |
1da177e4 LT |
76 | CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm |
77 | AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float | |
78 | ||
79 | CHECKFLAGS += -D__arm__ | |
80 | ||
81 | #Default value | |
75d90832 | 82 | head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o |
9d4f13e5 | 83 | textofs-y := 0x00008000 |
1da177e4 LT |
84 | |
85 | machine-$(CONFIG_ARCH_RPC) := rpc | |
86 | machine-$(CONFIG_ARCH_EBSA110) := ebsa110 | |
87 | machine-$(CONFIG_ARCH_CLPS7500) := clps7500 | |
88 | incdir-$(CONFIG_ARCH_CLPS7500) := cl7500 | |
89 | machine-$(CONFIG_FOOTBRIDGE) := footbridge | |
90 | incdir-$(CONFIG_FOOTBRIDGE) := ebsa285 | |
1da177e4 LT |
91 | machine-$(CONFIG_ARCH_CO285) := footbridge |
92 | incdir-$(CONFIG_ARCH_CO285) := ebsa285 | |
93 | machine-$(CONFIG_ARCH_SHARK) := shark | |
94 | machine-$(CONFIG_ARCH_SA1100) := sa1100 | |
95 | ifeq ($(CONFIG_ARCH_SA1100),y) | |
96 | # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory | |
9d4f13e5 | 97 | textofs-$(CONFIG_SA1111) := 0x00208000 |
1da177e4 LT |
98 | endif |
99 | machine-$(CONFIG_ARCH_PXA) := pxa | |
100 | machine-$(CONFIG_ARCH_L7200) := l7200 | |
101 | machine-$(CONFIG_ARCH_INTEGRATOR) := integrator | |
9d4f13e5 | 102 | textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 |
1da177e4 | 103 | machine-$(CONFIG_ARCH_CLPS711X) := clps711x |
1da177e4 LT |
104 | machine-$(CONFIG_ARCH_IOP3XX) := iop3xx |
105 | machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx | |
106 | machine-$(CONFIG_ARCH_IXP2000) := ixp2000 | |
c4713074 | 107 | machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx |
d48af15e | 108 | machine-$(CONFIG_ARCH_OMAP1) := omap1 |
1dbae815 | 109 | machine-$(CONFIG_ARCH_OMAP2) := omap2 |
d48af15e | 110 | incdir-$(CONFIG_ARCH_OMAP) := omap |
1da177e4 LT |
111 | machine-$(CONFIG_ARCH_S3C2410) := s3c2410 |
112 | machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x | |
113 | machine-$(CONFIG_ARCH_VERSATILE) := versatile | |
114 | machine-$(CONFIG_ARCH_IMX) := imx | |
115 | machine-$(CONFIG_ARCH_H720X) := h720x | |
038c5b60 | 116 | machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 |
8ad68bbf | 117 | machine-$(CONFIG_ARCH_REALVIEW) := realview |
8fc5ffa0 | 118 | machine-$(CONFIG_ARCH_AT91) := at91rm9200 |
e7736d47 | 119 | machine-$(CONFIG_ARCH_EP93XX) := ep93xx |
78818e47 | 120 | machine-$(CONFIG_ARCH_PNX4008) := pnx4008 |
bb6d8c88 | 121 | machine-$(CONFIG_ARCH_NETX) := netx |
1da177e4 LT |
122 | |
123 | ifeq ($(CONFIG_ARCH_EBSA110),y) | |
124 | # This is what happens if you forget the IOCS16 line. | |
125 | # PCMCIA cards stop working. | |
126 | CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL | |
127 | export CFLAGS_3c589_cs.o | |
128 | endif | |
129 | ||
9d4f13e5 RK |
130 | # The byte offset of the kernel image in RAM from the start of RAM. |
131 | TEXT_OFFSET := $(textofs-y) | |
1da177e4 LT |
132 | |
133 | ifeq ($(incdir-y),) | |
134 | incdir-y := $(machine-y) | |
135 | endif | |
136 | INCDIR := arch-$(incdir-y) | |
37d07b72 | 137 | |
1da177e4 LT |
138 | ifneq ($(machine-y),) |
139 | MACHINE := arch/arm/mach-$(machine-y)/ | |
140 | else | |
141 | MACHINE := | |
142 | endif | |
143 | ||
f8c07de6 | 144 | export TEXT_OFFSET GZFLAGS MMUEXT |
1da177e4 LT |
145 | |
146 | # Do we have FASTFPE? | |
147 | FASTFPE :=arch/arm/fastfpe | |
148 | ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) | |
149 | FASTFPE_OBJ :=$(FASTFPE)/ | |
150 | endif | |
151 | ||
152 | # If we have a machine-specific directory, then include it in the build. | |
153 | core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ | |
154 | core-y += $(MACHINE) | |
155 | core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ | |
156 | core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) | |
157 | core-$(CONFIG_VFP) += arch/arm/vfp/ | |
158 | ||
d48af15e TL |
159 | # If we have a common platform directory, then include it in the build. |
160 | core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/ | |
161 | ||
1da177e4 LT |
162 | drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ |
163 | drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/ | |
164 | drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/ | |
165 | ||
30c2f90b | 166 | libs-y := arch/arm/lib/ $(libs-y) |
1da177e4 LT |
167 | |
168 | # Default target when executing plain make | |
169 | ifeq ($(CONFIG_XIP_KERNEL),y) | |
170 | all: xipImage | |
171 | else | |
172 | all: zImage | |
173 | endif | |
174 | ||
175 | boot := arch/arm/boot | |
176 | ||
177 | # Update machine arch and proc symlinks if something which affects | |
178 | # them changed. We use .arch to indicate when they were updated | |
179 | # last, otherwise make uses the target directory mtime. | |
180 | ||
2e3646e5 | 181 | include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf |
1da177e4 LT |
182 | @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)' |
183 | ifneq ($(KBUILD_SRC),) | |
184 | $(Q)mkdir -p include/asm-arm | |
185 | $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch | |
186 | else | |
187 | $(Q)ln -fsn $(INCDIR) include/asm-arm/arch | |
188 | endif | |
189 | @touch $@ | |
190 | ||
0b155694 | 191 | archprepare: maketools |
1da177e4 | 192 | |
4f193362 | 193 | PHONY += maketools FORCE |
0b155694 | 194 | maketools: include/linux/version.h include/asm-arm/.arch FORCE |
1da177e4 LT |
195 | $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h |
196 | ||
197 | # Convert bzImage to zImage | |
198 | bzImage: zImage | |
199 | ||
200 | zImage Image xipImage bootpImage uImage: vmlinux | |
201 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ | |
202 | ||
203 | zinstall install: vmlinux | |
204 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ | |
205 | ||
e6ae744d | 206 | CLEAN_FILES += include/asm-arm/mach-types.h \ |
1da177e4 LT |
207 | include/asm-arm/arch include/asm-arm/.arch |
208 | ||
209 | # We use MRPROPER_FILES and CLEAN_FILES now | |
210 | archclean: | |
211 | $(Q)$(MAKE) $(clean)=$(boot) | |
212 | ||
213 | # My testing targets (bypasses dependencies) | |
214 | bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage | |
215 | i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ | |
216 | ||
1da177e4 LT |
217 | |
218 | define archhelp | |
219 | echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' | |
220 | echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' | |
221 | echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' | |
222 | echo ' bootpImage - Combined zImage and initial RAM disk' | |
223 | echo ' (supply initrd image via make variable INITRD=<path>)' | |
224 | echo ' install - Install uncompressed kernel' | |
225 | echo ' zinstall - Install compressed kernel' | |
226 | echo ' Install using (your) ~/bin/installkernel or' | |
227 | echo ' (distribution) /sbin/installkernel or' | |
228 | echo ' install to $$(INSTALL_PATH) and run lilo' | |
229 | endef |