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19 # Do not use arch/arm/defconfig - it's always outdated.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'