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=$(TEXT_OFFSET)
15 OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
18 # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
19 CFLAGS +=$(call cc-option,-marm,)
21 # Do not use arch/arm/defconfig - it's always outdated.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
25 # defines filename extension depending memory manement type.
30 ifeq ($(CONFIG_FRAME_POINTER),y)
31 CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
34 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
35 CPPFLAGS += -mbig-endian
39 CPPFLAGS += -mlittle-endian
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.
50 arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
51 arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
52 arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
53 arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
54 arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
55 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
57 # This selects how we optimise for the processor.
58 tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
59 tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
60 tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
61 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
62 tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
63 tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
64 tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
65 tune-$(CONFIG_CPU_ARM946T) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
66 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
67 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
68 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
69 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
70 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
71 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
72 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
73 tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
74 tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
76 ifeq ($(CONFIG_AEABI),y)
77 CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
79 CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
82 # Need -Uarm for gcc < 3.x
83 CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
84 AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
86 CHECKFLAGS += -D__arm__
89 head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
90 textofs-y := 0x00008000
92 machine-$(CONFIG_ARCH_RPC) := rpc
93 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
94 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
95 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
96 machine-$(CONFIG_FOOTBRIDGE) := footbridge
97 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
98 machine-$(CONFIG_ARCH_CO285) := footbridge
99 incdir-$(CONFIG_ARCH_CO285) := ebsa285
100 machine-$(CONFIG_ARCH_SHARK) := shark
101 machine-$(CONFIG_ARCH_SA1100) := sa1100
102 ifeq ($(CONFIG_ARCH_SA1100),y)
103 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
104 textofs-$(CONFIG_SA1111) := 0x00208000
106 machine-$(CONFIG_ARCH_PXA) := pxa
107 machine-$(CONFIG_ARCH_L7200) := l7200
108 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
109 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
110 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
111 machine-$(CONFIG_ARCH_IOP32X) := iop32x
112 machine-$(CONFIG_ARCH_IOP33X) := iop33x
113 machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
114 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
115 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
116 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
117 machine-$(CONFIG_ARCH_OMAP1) := omap1
118 machine-$(CONFIG_ARCH_OMAP2) := omap2
119 incdir-$(CONFIG_ARCH_OMAP) := omap
120 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
121 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
122 machine-$(CONFIG_ARCH_VERSATILE) := versatile
123 machine-$(CONFIG_ARCH_IMX) := imx
124 machine-$(CONFIG_ARCH_H720X) := h720x
125 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
126 machine-$(CONFIG_ARCH_REALVIEW) := realview
127 machine-$(CONFIG_ARCH_AT91) := at91rm9200
128 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
129 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
130 machine-$(CONFIG_ARCH_NETX) := netx
132 ifeq ($(CONFIG_ARCH_EBSA110),y)
133 # This is what happens if you forget the IOCS16 line.
134 # PCMCIA cards stop working.
135 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
136 export CFLAGS_3c589_cs.o
139 # The byte offset of the kernel image in RAM from the start of RAM.
140 TEXT_OFFSET := $(textofs-y)
143 incdir-y := $(machine-y)
145 INCDIR := arch-$(incdir-y)
147 ifneq ($(machine-y),)
148 MACHINE := arch/arm/mach-$(machine-y)/
153 export TEXT_OFFSET GZFLAGS MMUEXT
155 # Do we have FASTFPE?
156 FASTFPE :=arch/arm/fastfpe
157 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
158 FASTFPE_OBJ :=$(FASTFPE)/
161 # If we have a machine-specific directory, then include it in the build.
162 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
164 core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2400/
165 core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2412/
166 core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2440/
167 core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2442/
168 core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2443/
169 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
170 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
171 core-$(CONFIG_VFP) += arch/arm/vfp/
173 # If we have a common platform directory, then include it in the build.
174 core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/
175 core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
176 core-$(CONFIG_PLAT_S3C24XX) += arch/arm/plat-s3c24xx/
178 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
179 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
180 drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
182 libs-y := arch/arm/lib/ $(libs-y)
184 # Default target when executing plain make
185 ifeq ($(CONFIG_XIP_KERNEL),y)
186 KBUILD_IMAGE := xipImage
188 KBUILD_IMAGE := zImage
193 boot := arch/arm/boot
195 # Update machine arch and proc symlinks if something which affects
196 # them changed. We use .arch to indicate when they were updated
197 # last, otherwise make uses the target directory mtime.
199 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
200 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
201 ifneq ($(KBUILD_SRC),)
202 $(Q)mkdir -p include/asm-arm
203 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
205 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
209 archprepare: maketools
211 PHONY += maketools FORCE
212 maketools: include/linux/version.h include/asm-arm/.arch FORCE
213 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
215 # Convert bzImage to zImage
218 zImage Image xipImage bootpImage uImage: vmlinux
219 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
221 zinstall install: vmlinux
222 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
224 CLEAN_FILES += include/asm-arm/mach-types.h \
225 include/asm-arm/arch include/asm-arm/.arch
227 # We use MRPROPER_FILES and CLEAN_FILES now
229 $(Q)$(MAKE) $(clean)=$(boot)
231 # My testing targets (bypasses dependencies)
232 bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
233 i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
237 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
238 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
239 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
240 echo ' bootpImage - Combined zImage and initial RAM disk'
241 echo ' (supply initrd image via make variable INITRD=<path>)'
242 echo ' install - Install uncompressed kernel'
243 echo ' zinstall - Install compressed kernel'
244 echo ' Install using (your) ~/bin/installkernel or'
245 echo ' (distribution) /sbin/installkernel or'
246 echo ' install to $$(INSTALL_PATH) and run lilo'