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=$(TEXT_OFFSET)
15 OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
17 #KBUILD_CFLAGS +=-pipe
18 # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
19 KBUILD_CFLAGS +=$(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21 # Do not use arch/arm/defconfig - it's always outdated.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 ($(CONFIG_FRAME_POINTER),y)
31 KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
34 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
35 KBUILD_CPPFLAGS += -mbig-endian
39 KBUILD_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_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
51 arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
52 # Only override the compiler option if ARMv6. The ARMv6K extensions are
53 # always available in ARMv7
54 ifeq ($(CONFIG_CPU_32v6),y)
55 arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
57 arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
58 arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
59 arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
60 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
62 # This selects how we optimise for the processor.
63 tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
64 tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
65 tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
66 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
67 tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
68 tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
69 tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
70 tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
71 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
72 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
73 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
74 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
75 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
76 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
77 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
78 tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
79 tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
81 ifeq ($(CONFIG_AEABI),y)
82 CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
84 CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
87 # Need -Uarm for gcc < 3.x
88 KBUILD_CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
89 KBUILD_AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
91 CHECKFLAGS += -D__arm__
94 head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
95 textofs-y := 0x00008000
97 machine-$(CONFIG_ARCH_RPC) := rpc
98 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
99 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
100 machine-$(CONFIG_FOOTBRIDGE) := footbridge
101 machine-$(CONFIG_ARCH_SHARK) := shark
102 machine-$(CONFIG_ARCH_SA1100) := sa1100
103 ifeq ($(CONFIG_ARCH_SA1100),y)
104 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
105 textofs-$(CONFIG_SA1111) := 0x00208000
107 machine-$(CONFIG_ARCH_PXA) := pxa
108 machine-$(CONFIG_ARCH_L7200) := l7200
109 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
110 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
111 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
112 machine-$(CONFIG_ARCH_IOP32X) := iop32x
113 machine-$(CONFIG_ARCH_IOP33X) := iop33x
114 machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
115 plat-$(CONFIG_PLAT_IOP) := iop
116 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
117 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
118 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
119 machine-$(CONFIG_ARCH_OMAP1) := omap1
120 machine-$(CONFIG_ARCH_OMAP2) := omap2
121 machine-$(CONFIG_ARCH_OMAP3) := omap2
122 plat-$(CONFIG_ARCH_OMAP) := omap
123 machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
124 plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx s3c
125 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
126 machine-$(CONFIG_ARCH_VERSATILE) := versatile
127 machine-$(CONFIG_ARCH_IMX) := imx
128 machine-$(CONFIG_ARCH_H720X) := h720x
129 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
130 machine-$(CONFIG_ARCH_REALVIEW) := realview
131 machine-$(CONFIG_ARCH_AT91) := at91
132 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
133 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
134 machine-$(CONFIG_ARCH_NETX) := netx
135 machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
136 machine-$(CONFIG_ARCH_DAVINCI) := davinci
137 machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
138 machine-$(CONFIG_ARCH_KS8695) := ks8695
139 plat-$(CONFIG_ARCH_MXC) := mxc
140 machine-$(CONFIG_ARCH_MX2) := mx2
141 machine-$(CONFIG_ARCH_MX3) := mx3
142 machine-$(CONFIG_ARCH_ORION5X) := orion5x
143 plat-$(CONFIG_PLAT_ORION) := orion
144 machine-$(CONFIG_ARCH_MSM7X00A) := msm
145 machine-$(CONFIG_ARCH_LOKI) := loki
146 machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
148 ifeq ($(CONFIG_ARCH_EBSA110),y)
149 # This is what happens if you forget the IOCS16 line.
150 # PCMCIA cards stop working.
151 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
152 export CFLAGS_3c589_cs.o
155 # The byte offset of the kernel image in RAM from the start of RAM.
156 TEXT_OFFSET := $(textofs-y)
158 # The first directory contains additional information for the boot setup code
159 ifneq ($(machine-y),)
160 MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
165 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
166 platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
168 ifeq ($(KBUILD_SRC),)
169 KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
171 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
174 export TEXT_OFFSET GZFLAGS MMUEXT
176 # Do we have FASTFPE?
177 FASTFPE :=arch/arm/fastfpe
178 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
179 FASTFPE_OBJ :=$(FASTFPE)/
182 # If we have a machine-specific directory, then include it in the build.
183 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
184 core-y += $(machdirs) $(platdirs)
185 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
186 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
187 core-$(CONFIG_VFP) += arch/arm/vfp/
189 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
191 libs-y := arch/arm/lib/ $(libs-y)
193 # Default target when executing plain make
194 ifeq ($(CONFIG_XIP_KERNEL),y)
195 KBUILD_IMAGE := xipImage
197 KBUILD_IMAGE := zImage
202 boot := arch/arm/boot
204 # Update machine arch and proc symlinks if something which affects
205 # them changed. We use .arch to indicate when they were updated
206 # last, otherwise make uses the target directory mtime.
208 archprepare: maketools
210 PHONY += maketools FORCE
211 maketools: include/linux/version.h FORCE
212 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
214 # Convert bzImage to zImage
217 zImage Image xipImage bootpImage uImage: vmlinux
218 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
220 zinstall install: vmlinux
221 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
223 CLEAN_FILES += include/asm-arm/mach-types.h \
224 include/asm-arm/arch include/asm-arm/.arch
226 # We use MRPROPER_FILES and CLEAN_FILES now
228 $(Q)$(MAKE) $(clean)=$(boot)
230 # My testing targets (bypasses dependencies)
231 bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
232 i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
236 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
237 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
238 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
239 echo ' uImage - U-Boot wrapped zImage'
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'