4 # This file is included by the global makefile so that you can add your own
5 # architecture-specific flags and dependencies.
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
11 # Copyright (C) 1995-2001 by Russell King
13 LDFLAGS_vmlinux :=-p --no-undefined -X
14 CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
15 OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
19 # Do not use arch/arm/defconfig - it's always outdated.
20 # Select a platform tht is kept up-to-date
21 KBUILD_DEFCONFIG := versatile_defconfig
23 ifeq ($(CONFIG_FRAME_POINTER),y)
24 CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
27 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
28 CPPFLAGS += -mbig-endian
32 CPPFLAGS += -mlittle-endian
39 # This selects which instruction set is used.
40 # Note that GCC does not numerically define an architecture version
41 # macro, but instead defines a whole series of macros which makes
42 # testing for a specific architecture or later rather impossible.
43 arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
44 arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
45 arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
46 arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
47 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
49 # This selects how we optimise for the processor.
50 tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
51 tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
52 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
53 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
54 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
55 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
56 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
57 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
58 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
59 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
60 tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
62 ifeq ($(CONFIG_AEABI),y)
63 CFLAGS_ABI :=-mabi=aapcs -mno-thumb-interwork
65 CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
68 # Need -Uarm for gcc < 3.x
69 CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
70 AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
72 CHECKFLAGS += -D__arm__
75 head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
76 textofs-y := 0x00008000
78 machine-$(CONFIG_ARCH_RPC) := rpc
79 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
80 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
81 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
82 machine-$(CONFIG_FOOTBRIDGE) := footbridge
83 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
84 machine-$(CONFIG_ARCH_CO285) := footbridge
85 incdir-$(CONFIG_ARCH_CO285) := ebsa285
86 machine-$(CONFIG_ARCH_SHARK) := shark
87 machine-$(CONFIG_ARCH_SA1100) := sa1100
88 ifeq ($(CONFIG_ARCH_SA1100),y)
89 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
90 textofs-$(CONFIG_SA1111) := 0x00208000
92 machine-$(CONFIG_ARCH_PXA) := pxa
93 machine-$(CONFIG_ARCH_L7200) := l7200
94 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
95 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
96 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
97 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
98 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
99 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
100 machine-$(CONFIG_ARCH_OMAP1) := omap1
101 machine-$(CONFIG_ARCH_OMAP2) := omap2
102 incdir-$(CONFIG_ARCH_OMAP) := omap
103 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
104 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
105 machine-$(CONFIG_ARCH_VERSATILE) := versatile
106 machine-$(CONFIG_ARCH_IMX) := imx
107 machine-$(CONFIG_ARCH_H720X) := h720x
108 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
109 machine-$(CONFIG_ARCH_REALVIEW) := realview
110 machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
112 ifeq ($(CONFIG_ARCH_EBSA110),y)
113 # This is what happens if you forget the IOCS16 line.
114 # PCMCIA cards stop working.
115 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
116 export CFLAGS_3c589_cs.o
119 # The byte offset of the kernel image in RAM from the start of RAM.
120 TEXT_OFFSET := $(textofs-y)
123 incdir-y := $(machine-y)
125 INCDIR := arch-$(incdir-y)
127 ifneq ($(machine-y),)
128 MACHINE := arch/arm/mach-$(machine-y)/
133 export TEXT_OFFSET GZFLAGS
135 # Do we have FASTFPE?
136 FASTFPE :=arch/arm/fastfpe
137 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
138 FASTFPE_OBJ :=$(FASTFPE)/
141 # If we have a machine-specific directory, then include it in the build.
142 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
144 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
145 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
146 core-$(CONFIG_VFP) += arch/arm/vfp/
148 # If we have a common platform directory, then include it in the build.
149 core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
151 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
152 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
153 drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
155 libs-y := arch/arm/lib/ $(libs-y)
157 # Default target when executing plain make
158 ifeq ($(CONFIG_XIP_KERNEL),y)
164 boot := arch/arm/boot
166 # Update machine arch and proc symlinks if something which affects
167 # them changed. We use .arch to indicate when they were updated
168 # last, otherwise make uses the target directory mtime.
170 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
171 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
172 ifneq ($(KBUILD_SRC),)
173 $(Q)mkdir -p include/asm-arm
174 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
176 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
180 archprepare: maketools
182 PHONY += maketools FORCE
183 maketools: include/linux/version.h include/asm-arm/.arch FORCE
184 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
186 # Convert bzImage to zImage
189 zImage Image xipImage bootpImage uImage: vmlinux
190 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
192 zinstall install: vmlinux
193 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
195 CLEAN_FILES += include/asm-arm/mach-types.h \
196 include/asm-arm/arch include/asm-arm/.arch
198 # We use MRPROPER_FILES and CLEAN_FILES now
200 $(Q)$(MAKE) $(clean)=$(boot)
202 # My testing targets (bypasses dependencies)
203 bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
204 i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
208 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
209 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
210 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
211 echo ' bootpImage - Combined zImage and initial RAM disk'
212 echo ' (supply initrd image via make variable INITRD=<path>)'
213 echo ' install - Install uncompressed kernel'
214 echo ' zinstall - Install compressed kernel'
215 echo ' Install using (your) ~/bin/installkernel or'
216 echo ' (distribution) /sbin/installkernel or'
217 echo ' install to $$(INSTALL_PATH) and run lilo'