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=$(TEXT_OFFSET)
15 OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
19 # Do not use arch/arm/defconfig - it's always outdated.
20 # Select a platform tht is kept up-to-date
21 KBUILD_DEFCONFIG := versatile_defconfig
23 # defines filename extension depending memory manement type.
28 ifeq ($(CONFIG_FRAME_POINTER),y)
29 CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
32 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
33 CPPFLAGS += -mbig-endian
37 CPPFLAGS += -mlittle-endian
44 # This selects which instruction set is used.
45 # Note that GCC does not numerically define an architecture version
46 # macro, but instead defines a whole series of macros which makes
47 # testing for a specific architecture or later rather impossible.
48 arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
49 arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
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
52 arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
53 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
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-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
59 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
60 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
61 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
62 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
63 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
64 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
65 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
66 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
67 tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
68 tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
70 ifeq ($(CONFIG_AEABI),y)
71 CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
73 CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
76 # Need -Uarm for gcc < 3.x
77 CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
78 AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
80 CHECKFLAGS += -D__arm__
83 head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
84 textofs-y := 0x00008000
86 machine-$(CONFIG_ARCH_RPC) := rpc
87 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
88 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
89 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
90 machine-$(CONFIG_FOOTBRIDGE) := footbridge
91 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
92 machine-$(CONFIG_ARCH_CO285) := footbridge
93 incdir-$(CONFIG_ARCH_CO285) := ebsa285
94 machine-$(CONFIG_ARCH_SHARK) := shark
95 machine-$(CONFIG_ARCH_SA1100) := sa1100
96 ifeq ($(CONFIG_ARCH_SA1100),y)
97 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
98 textofs-$(CONFIG_SA1111) := 0x00208000
100 machine-$(CONFIG_ARCH_PXA) := pxa
101 machine-$(CONFIG_ARCH_L7200) := l7200
102 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
103 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
104 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
105 machine-$(CONFIG_ARCH_IOP32X) := iop32x
106 machine-$(CONFIG_ARCH_IOP33X) := iop33x
107 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
108 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
109 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
110 machine-$(CONFIG_ARCH_OMAP1) := omap1
111 machine-$(CONFIG_ARCH_OMAP2) := omap2
112 incdir-$(CONFIG_ARCH_OMAP) := omap
113 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
114 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
115 machine-$(CONFIG_ARCH_VERSATILE) := versatile
116 machine-$(CONFIG_ARCH_IMX) := imx
117 machine-$(CONFIG_ARCH_H720X) := h720x
118 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
119 machine-$(CONFIG_ARCH_REALVIEW) := realview
120 machine-$(CONFIG_ARCH_AT91) := at91rm9200
121 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
122 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
123 machine-$(CONFIG_ARCH_NETX) := netx
125 ifeq ($(CONFIG_ARCH_EBSA110),y)
126 # This is what happens if you forget the IOCS16 line.
127 # PCMCIA cards stop working.
128 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
129 export CFLAGS_3c589_cs.o
132 # The byte offset of the kernel image in RAM from the start of RAM.
133 TEXT_OFFSET := $(textofs-y)
136 incdir-y := $(machine-y)
138 INCDIR := arch-$(incdir-y)
140 ifneq ($(machine-y),)
141 MACHINE := arch/arm/mach-$(machine-y)/
146 export TEXT_OFFSET GZFLAGS MMUEXT
148 # Do we have FASTFPE?
149 FASTFPE :=arch/arm/fastfpe
150 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
151 FASTFPE_OBJ :=$(FASTFPE)/
154 # If we have a machine-specific directory, then include it in the build.
155 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
157 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
158 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
159 core-$(CONFIG_VFP) += arch/arm/vfp/
161 # If we have a common platform directory, then include it in the build.
162 core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/
163 core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
165 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
166 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
167 drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
169 libs-y := arch/arm/lib/ $(libs-y)
171 # Default target when executing plain make
172 ifeq ($(CONFIG_XIP_KERNEL),y)
178 boot := arch/arm/boot
180 # Update machine arch and proc symlinks if something which affects
181 # them changed. We use .arch to indicate when they were updated
182 # last, otherwise make uses the target directory mtime.
184 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
185 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
186 ifneq ($(KBUILD_SRC),)
187 $(Q)mkdir -p include/asm-arm
188 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
190 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
194 archprepare: maketools
196 PHONY += maketools FORCE
197 maketools: include/linux/version.h include/asm-arm/.arch FORCE
198 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
200 # Convert bzImage to zImage
203 zImage Image xipImage bootpImage uImage: vmlinux
204 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
206 zinstall install: vmlinux
207 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
209 CLEAN_FILES += include/asm-arm/mach-types.h \
210 include/asm-arm/arch include/asm-arm/.arch
212 # We use MRPROPER_FILES and CLEAN_FILES now
214 $(Q)$(MAKE) $(clean)=$(boot)
216 # My testing targets (bypasses dependencies)
217 bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
218 i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
222 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
223 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
224 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
225 echo ' bootpImage - Combined zImage and initial RAM disk'
226 echo ' (supply initrd image via make variable INITRD=<path>)'
227 echo ' install - Install uncompressed kernel'
228 echo ' zinstall - Install compressed kernel'
229 echo ' Install using (your) ~/bin/installkernel or'
230 echo ' (distribution) /sbin/installkernel or'
231 echo ' install to $$(INSTALL_PATH) and run lilo'