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1da177e4 LT |
1 | # |
2 | # arch/arm/Makefile | |
3 | # | |
4 | # This file is subject to the terms and conditions of the GNU General Public | |
5 | # License. See the file "COPYING" in the main directory of this archive | |
6 | # for more details. | |
7 | # | |
8 | # Copyright (C) 1995-2001 by Russell King | |
9 | ||
10 | LDFLAGS_vmlinux :=-p --no-undefined -X | |
11 | CPPFLAGS_vmlinux.lds = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR) | |
12 | OBJCOPYFLAGS :=-O binary -R .note -R .comment -S | |
13 | GZFLAGS :=-9 | |
14 | #CFLAGS +=-pipe | |
15 | ||
16 | # Do not use arch/arm/defconfig - it's always outdated. | |
17 | # Select a platform tht is kept up-to-date | |
18 | KBUILD_DEFCONFIG := versatile_defconfig | |
19 | ||
20 | ifeq ($(CONFIG_FRAME_POINTER),y) | |
21 | CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog | |
22 | endif | |
23 | ||
24 | ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) | |
25 | CPPFLAGS += -mbig-endian | |
26 | AS += -EB | |
27 | LD += -EB | |
28 | else | |
29 | CPPFLAGS += -mlittle-endian | |
30 | AS += -EL | |
31 | LD += -EL | |
32 | endif | |
33 | ||
34 | comma = , | |
35 | ||
36 | # This selects which instruction set is used. | |
37 | # Note that GCC does not numerically define an architecture version | |
38 | # macro, but instead defines a whole series of macros which makes | |
39 | # testing for a specific architecture or later rather impossible. | |
40 | arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) | |
41 | arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4) | |
42 | arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 | |
43 | arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 | |
44 | ||
45 | # This selects how we optimise for the processor. | |
46 | tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610 | |
47 | tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710 | |
48 | tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi | |
49 | tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi | |
50 | tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi | |
51 | tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi | |
52 | tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi | |
53 | tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 | |
54 | tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 | |
55 | tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale | |
56 | tune-$(CONFIG_CPU_V6) :=-mtune=strongarm | |
57 | ||
58 | # Need -Uarm for gcc < 3.x | |
59 | CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) | |
60 | CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm | |
61 | AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float | |
62 | ||
63 | CHECKFLAGS += -D__arm__ | |
64 | ||
65 | #Default value | |
66 | head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o | |
67 | textaddr-y := 0xC0008000 | |
68 | ||
69 | machine-$(CONFIG_ARCH_RPC) := rpc | |
70 | machine-$(CONFIG_ARCH_EBSA110) := ebsa110 | |
71 | machine-$(CONFIG_ARCH_CLPS7500) := clps7500 | |
72 | incdir-$(CONFIG_ARCH_CLPS7500) := cl7500 | |
73 | machine-$(CONFIG_FOOTBRIDGE) := footbridge | |
74 | incdir-$(CONFIG_FOOTBRIDGE) := ebsa285 | |
75 | textaddr-$(CONFIG_ARCH_CO285) := 0x60008000 | |
76 | machine-$(CONFIG_ARCH_CO285) := footbridge | |
77 | incdir-$(CONFIG_ARCH_CO285) := ebsa285 | |
78 | machine-$(CONFIG_ARCH_SHARK) := shark | |
79 | machine-$(CONFIG_ARCH_SA1100) := sa1100 | |
80 | ifeq ($(CONFIG_ARCH_SA1100),y) | |
81 | # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory | |
82 | textaddr-$(CONFIG_SA1111) := 0xc0208000 | |
83 | endif | |
84 | machine-$(CONFIG_ARCH_PXA) := pxa | |
85 | machine-$(CONFIG_ARCH_L7200) := l7200 | |
86 | machine-$(CONFIG_ARCH_INTEGRATOR) := integrator | |
87 | machine-$(CONFIG_ARCH_CAMELOT) := epxa10db | |
88 | textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000 | |
89 | machine-$(CONFIG_ARCH_CLPS711X) := clps711x | |
90 | textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000 | |
91 | machine-$(CONFIG_ARCH_IOP3XX) := iop3xx | |
92 | machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx | |
93 | machine-$(CONFIG_ARCH_IXP2000) := ixp2000 | |
94 | machine-$(CONFIG_ARCH_OMAP) := omap | |
95 | machine-$(CONFIG_ARCH_S3C2410) := s3c2410 | |
96 | machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x | |
97 | machine-$(CONFIG_ARCH_VERSATILE) := versatile | |
98 | machine-$(CONFIG_ARCH_IMX) := imx | |
99 | machine-$(CONFIG_ARCH_H720X) := h720x | |
100 | ||
101 | ifeq ($(CONFIG_ARCH_EBSA110),y) | |
102 | # This is what happens if you forget the IOCS16 line. | |
103 | # PCMCIA cards stop working. | |
104 | CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL | |
105 | export CFLAGS_3c589_cs.o | |
106 | endif | |
107 | ||
108 | TEXTADDR := $(textaddr-y) | |
109 | ifeq ($(CONFIG_XIP_KERNEL),y) | |
110 | DATAADDR := $(TEXTADDR) | |
111 | xipaddr-$(CONFIG_ARCH_CO285) := 0x5f000000 | |
112 | xipaddr-y ?= 0xbf000000 | |
113 | # Replace phys addr with virt addr while keeping offset from base. | |
114 | TEXTADDR := $(shell echo $(CONFIG_XIP_PHYS_ADDR) $(xipaddr-y) | \ | |
115 | awk --non-decimal-data '/[:xdigit:]/ \ | |
116 | { printf("0x%x\n", and($$1, 0x000fffff) + $$2) }' ) | |
117 | endif | |
118 | ||
119 | ifeq ($(incdir-y),) | |
120 | incdir-y := $(machine-y) | |
121 | endif | |
122 | INCDIR := arch-$(incdir-y) | |
123 | ifneq ($(machine-y),) | |
124 | MACHINE := arch/arm/mach-$(machine-y)/ | |
125 | else | |
126 | MACHINE := | |
127 | endif | |
128 | ||
129 | export TEXTADDR DATAADDR GZFLAGS | |
130 | ||
131 | # Do we have FASTFPE? | |
132 | FASTFPE :=arch/arm/fastfpe | |
133 | ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) | |
134 | FASTFPE_OBJ :=$(FASTFPE)/ | |
135 | endif | |
136 | ||
137 | # If we have a machine-specific directory, then include it in the build. | |
138 | core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ | |
139 | core-y += $(MACHINE) | |
140 | core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ | |
141 | core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) | |
142 | core-$(CONFIG_VFP) += arch/arm/vfp/ | |
143 | ||
144 | drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ | |
145 | drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/ | |
146 | drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/ | |
147 | ||
148 | libs-y += arch/arm/lib/ | |
149 | ||
150 | # Default target when executing plain make | |
151 | ifeq ($(CONFIG_XIP_KERNEL),y) | |
152 | all: xipImage | |
153 | else | |
154 | all: zImage | |
155 | endif | |
156 | ||
157 | boot := arch/arm/boot | |
158 | ||
159 | # Update machine arch and proc symlinks if something which affects | |
160 | # them changed. We use .arch to indicate when they were updated | |
161 | # last, otherwise make uses the target directory mtime. | |
162 | ||
163 | include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER | |
164 | @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)' | |
165 | ifneq ($(KBUILD_SRC),) | |
166 | $(Q)mkdir -p include/asm-arm | |
167 | $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch | |
168 | else | |
169 | $(Q)ln -fsn $(INCDIR) include/asm-arm/arch | |
170 | endif | |
171 | @touch $@ | |
172 | ||
173 | prepare: maketools include/asm-arm/.arch | |
174 | ||
175 | .PHONY: maketools FORCE | |
176 | maketools: include/asm-arm/constants.h include/linux/version.h FORCE | |
177 | $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h | |
178 | ||
179 | # Convert bzImage to zImage | |
180 | bzImage: zImage | |
181 | ||
182 | zImage Image xipImage bootpImage uImage: vmlinux | |
183 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ | |
184 | ||
185 | zinstall install: vmlinux | |
186 | $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ | |
187 | ||
188 | CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \ | |
189 | include/asm-arm/arch include/asm-arm/.arch | |
190 | ||
191 | # We use MRPROPER_FILES and CLEAN_FILES now | |
192 | archclean: | |
193 | $(Q)$(MAKE) $(clean)=$(boot) | |
194 | ||
195 | # My testing targets (bypasses dependencies) | |
196 | bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage | |
197 | i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ | |
198 | ||
199 | arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \ | |
200 | include/asm-arm/.arch | |
201 | ||
202 | include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s | |
203 | $(call filechk,gen-asm-offsets) | |
204 | ||
205 | define archhelp | |
206 | echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' | |
207 | echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' | |
208 | echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' | |
209 | echo ' bootpImage - Combined zImage and initial RAM disk' | |
210 | echo ' (supply initrd image via make variable INITRD=<path>)' | |
211 | echo ' install - Install uncompressed kernel' | |
212 | echo ' zinstall - Install compressed kernel' | |
213 | echo ' Install using (your) ~/bin/installkernel or' | |
214 | echo ' (distribution) /sbin/installkernel or' | |
215 | echo ' install to $$(INSTALL_PATH) and run lilo' | |
216 | endef |