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19 # Do not use arch/arm/defconfig - it's always outdated.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_ARM720T
) :=-mtune
=arm7tdmi
59 tune-
$(CONFIG_CPU_ARM920T
) :=-mtune
=arm9tdmi
60 tune-
$(CONFIG_CPU_ARM922T
) :=-mtune
=arm9tdmi
61 tune-
$(CONFIG_CPU_ARM925T
) :=-mtune
=arm9tdmi
62 tune-
$(CONFIG_CPU_ARM926T
) :=-mtune
=arm9tdmi
63 tune-
$(CONFIG_CPU_SA110
) :=-mtune
=strongarm110
64 tune-
$(CONFIG_CPU_SA1100
) :=-mtune
=strongarm1100
65 tune-
$(CONFIG_CPU_XSCALE
) :=$(call cc-option
,-mtune
=xscale
,-mtune
=strongarm110
) -Wa
,-mcpu
=xscale
66 tune-
$(CONFIG_CPU_XSC3
) :=$(call cc-option
,-mtune
=xscale
,-mtune
=strongarm110
) -Wa
,-mcpu
=xscale
67 tune-
$(CONFIG_CPU_V6
) :=$(call cc-option
,-mtune
=arm1136j-s
,-mtune
=strongarm
)
69 ifeq ($(CONFIG_AEABI
),y
)
70 CFLAGS_ABI
:=-mabi
=aapcs-linux
-mno-thumb-interwork
72 CFLAGS_ABI
:=$(call cc-option
,-mapcs-32
,-mabi
=apcs-gnu
) $(call cc-option
,-mno-thumb-interwork
,)
75 # Need -Uarm for gcc < 3.x
76 CFLAGS
+=$(CFLAGS_ABI
) $(arch-y
) $(tune-y
) $(call cc-option
,-mshort-load-bytes
,$(call cc-option
,-malignment-traps
,)) -msoft-float
-Uarm
77 AFLAGS
+=$(CFLAGS_ABI
) $(arch-y
) $(tune-y
) -msoft-float
79 CHECKFLAGS
+= -D__arm__
82 head-y
:= arch
/arm
/kernel
/head
$(MMUEXT
).o arch
/arm
/kernel
/init_task.o
83 textofs-y
:= 0x00008000
85 machine-
$(CONFIG_ARCH_RPC
) := rpc
86 machine-
$(CONFIG_ARCH_EBSA110
) := ebsa110
87 machine-
$(CONFIG_ARCH_CLPS7500
) := clps7500
88 incdir-
$(CONFIG_ARCH_CLPS7500
) := cl7500
89 machine-
$(CONFIG_FOOTBRIDGE
) := footbridge
90 incdir-
$(CONFIG_FOOTBRIDGE
) := ebsa285
91 machine-
$(CONFIG_ARCH_CO285
) := footbridge
92 incdir-
$(CONFIG_ARCH_CO285
) := ebsa285
93 machine-
$(CONFIG_ARCH_SHARK
) := shark
94 machine-
$(CONFIG_ARCH_SA1100
) := sa1100
95 ifeq ($(CONFIG_ARCH_SA1100
),y
)
96 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
97 textofs-
$(CONFIG_SA1111
) := 0x00208000
99 machine-
$(CONFIG_ARCH_PXA
) := pxa
100 machine-
$(CONFIG_ARCH_L7200
) := l7200
101 machine-
$(CONFIG_ARCH_INTEGRATOR
) := integrator
102 textofs-
$(CONFIG_ARCH_CLPS711X
) := 0x00028000
103 machine-
$(CONFIG_ARCH_CLPS711X
) := clps711x
104 machine-
$(CONFIG_ARCH_IOP3XX
) := iop3xx
105 machine-
$(CONFIG_ARCH_IXP4XX
) := ixp4xx
106 machine-
$(CONFIG_ARCH_IXP2000
) := ixp2000
107 machine-
$(CONFIG_ARCH_IXP23XX
) := ixp23xx
108 machine-
$(CONFIG_ARCH_OMAP1
) := omap1
109 machine-
$(CONFIG_ARCH_OMAP2
) := omap2
110 incdir-
$(CONFIG_ARCH_OMAP
) := omap
111 machine-
$(CONFIG_ARCH_S3C2410
) := s3c2410
112 machine-
$(CONFIG_ARCH_LH7A40X
) := lh7a40x
113 machine-
$(CONFIG_ARCH_VERSATILE
) := versatile
114 machine-
$(CONFIG_ARCH_IMX
) := imx
115 machine-
$(CONFIG_ARCH_H720X
) := h720x
116 machine-
$(CONFIG_ARCH_AAEC2000
) := aaec2000
117 machine-
$(CONFIG_ARCH_REALVIEW
) := realview
118 machine-
$(CONFIG_ARCH_AT91
) := at91rm9200
119 machine-
$(CONFIG_ARCH_EP93XX
) := ep93xx
120 machine-
$(CONFIG_ARCH_PNX4008
) := pnx4008
121 machine-
$(CONFIG_ARCH_NETX
) := netx
123 ifeq ($(CONFIG_ARCH_EBSA110
),y
)
124 # This is what happens if you forget the IOCS16 line.
125 # PCMCIA cards stop working.
126 CFLAGS_3c589_cs.o
:=-DISA_SIXTEEN_BIT_PERIPHERAL
127 export CFLAGS_3c589_cs.o
130 # The byte offset of the kernel image in RAM from the start of RAM.
131 TEXT_OFFSET
:= $(textofs-y
)
134 incdir-y
:= $(machine-y
)
136 INCDIR
:= arch-
$(incdir-y
)
138 ifneq ($(machine-y
),)
139 MACHINE
:= arch
/arm
/mach-
$(machine-y
)/
144 export TEXT_OFFSET GZFLAGS MMUEXT
146 # Do we have FASTFPE?
147 FASTFPE
:=arch
/arm
/fastfpe
148 ifeq ($(FASTFPE
),$(wildcard $(FASTFPE
)))
149 FASTFPE_OBJ
:=$(FASTFPE
)/
152 # If we have a machine-specific directory, then include it in the build.
153 core-y
+= arch
/arm
/kernel
/ arch
/arm
/mm
/ arch
/arm
/common
/
155 core-
$(CONFIG_FPE_NWFPE
) += arch
/arm
/nwfpe
/
156 core-
$(CONFIG_FPE_FASTFPE
) += $(FASTFPE_OBJ
)
157 core-
$(CONFIG_VFP
) += arch
/arm
/vfp
/
159 # If we have a common platform directory, then include it in the build.
160 core-
$(CONFIG_ARCH_OMAP
) += arch
/arm
/plat-omap
/
162 drivers-
$(CONFIG_OPROFILE
) += arch
/arm
/oprofile
/
163 drivers-
$(CONFIG_ARCH_CLPS7500
) += drivers
/acorn
/char
/
164 drivers-
$(CONFIG_ARCH_L7200
) += drivers
/acorn
/char
/
166 libs-y
:= arch
/arm
/lib
/ $(libs-y
)
168 # Default target when executing plain make
169 ifeq ($(CONFIG_XIP_KERNEL
),y
)
175 boot
:= arch
/arm
/boot
177 # Update machine arch and proc symlinks if something which affects
178 # them changed. We use .arch to indicate when they were updated
179 # last, otherwise make uses the target directory mtime.
181 include/asm-arm
/.arch
: $(wildcard include/config
/arch
/*.h
) include/config
/auto.conf
182 @echo
' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
183 ifneq ($(KBUILD_SRC
),)
184 $(Q
)mkdir
-p
include/asm-arm
185 $(Q
)ln
-fsn
$(srctree
)/include/asm-arm
/$(INCDIR
) include/asm-arm
/arch
187 $(Q
)ln
-fsn
$(INCDIR
) include/asm-arm
/arch
191 archprepare
: maketools
193 PHONY
+= maketools FORCE
194 maketools
: include/linux
/version.h
include/asm-arm
/.arch FORCE
195 $(Q
)$(MAKE
) $(build
)=arch
/arm
/tools
include/asm-arm
/mach-types.h
197 # Convert bzImage to zImage
200 zImage Image xipImage bootpImage uImage
: vmlinux
201 $(Q
)$(MAKE
) $(build
)=$(boot
) MACHINE
=$(MACHINE
) $(boot
)/$@
203 zinstall
install: vmlinux
204 $(Q
)$(MAKE
) $(build
)=$(boot
) MACHINE
=$(MACHINE
) $@
206 CLEAN_FILES
+= include/asm-arm
/mach-types.h \
207 include/asm-arm
/arch
include/asm-arm
/.arch
209 # We use MRPROPER_FILES and CLEAN_FILES now
211 $(Q
)$(MAKE
) $(clean)=$(boot
)
213 # My testing targets (bypasses dependencies)
214 bp
:; $(Q
)$(MAKE
) $(build
)=$(boot
) MACHINE
=$(MACHINE
) $(boot
)/bootpImage
215 i zi
:; $(Q
)$(MAKE
) $(build
)=$(boot
) MACHINE
=$(MACHINE
) $@
219 echo
'* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
220 echo
' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
221 echo
'* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
222 echo
' bootpImage - Combined zImage and initial RAM disk'
223 echo
' (supply initrd image via make variable INITRD=<path>)'
224 echo
' install - Install uncompressed kernel'
225 echo
' zinstall - Install compressed kernel'
226 echo
' Install using (your) ~/bin/installkernel or'
227 echo
' (distribution) /sbin/installkernel or'
228 echo
' install to $$(INSTALL_PATH) and run lilo'