arch/arm/Makefile

   1 #
   2 # arch/arm/Makefile
   3 #
   4 # This file is subject to the terms and conditions of the GNU General Public
   5 # License.  See the file "COPYING" in the main directory of this archive
   6 # for more details.
   7 #
   8 # Copyright (C) 1995-2001 by Russell King
   9
  10 LDFLAGS_vmlinux :=-p --no-undefined -X
  11 LDFLAGS_BLOB    :=--format binary
  12 CPPFLAGS_vmlinux.lds = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR)
  13 OBJCOPYFLAGS    :=-O binary -R .note -R .comment -S
  14 GZFLAGS         :=-9
  15 #CFLAGS         +=-pipe
  16
  17 ifeq ($(CONFIG_FRAME_POINTER),y)
  18 CFLAGS          +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
  19 endif
  20
  21 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
  22 CFLAGS          += -mbig-endian
  23 AS              += -EB
  24 LD              += -EB
  25 AFLAGS          += -mbig-endian
  26 else
  27 CFLAGS          += -mlittle-endian
  28 AS              += -EL
  29 LD              += -EL
  30 AFLAGS          += -mlittle-endian
  31 endif
  32
  33 comma = ,
  34
  35 # This selects which instruction set is used.
  36 # Note that GCC does not numerically define an architecture version
  37 # macro, but instead defines a whole series of macros which makes
  38 # testing for a specific architecture or later rather impossible.
  39 arch-$(CONFIG_CPU_32v6)         :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
  40 arch-$(CONFIG_CPU_32v5)         :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
  41 arch-$(CONFIG_CPU_32v4)         :=-D__LINUX_ARM_ARCH__=4 -march=armv4
  42 arch-$(CONFIG_CPU_32v3)         :=-D__LINUX_ARM_ARCH__=3 -march=armv3
  43
  44 # This selects how we optimise for the processor.
  45 tune-$(CONFIG_CPU_ARM610)       :=-mtune=arm610
  46 tune-$(CONFIG_CPU_ARM710)       :=-mtune=arm710
  47 tune-$(CONFIG_CPU_ARM720T)      :=-mtune=arm7tdmi
  48 tune-$(CONFIG_CPU_ARM920T)      :=-mtune=arm9tdmi
  49 tune-$(CONFIG_CPU_ARM922T)      :=-mtune=arm9tdmi
  50 tune-$(CONFIG_CPU_ARM925T)      :=-mtune=arm9tdmi
  51 tune-$(CONFIG_CPU_ARM926T)      :=-mtune=arm9tdmi
  52 tune-$(CONFIG_CPU_SA110)        :=-mtune=strongarm110
  53 tune-$(CONFIG_CPU_SA1100)       :=-mtune=strongarm1100
  54 tune-$(CONFIG_CPU_XSCALE)       :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  55 tune-$(CONFIG_CPU_V6)           :=-mtune=strongarm
  56
  57 # Need -Uarm for gcc < 3.x
  58 CFLAGS          +=-mapcs-32 $(arch-y) $(tune-y) $(call cc-option,-malignment-traps,-mshort-load-bytes) -msoft-float -Wa,-mno-fpu -Uarm
  59 AFLAGS          +=-mapcs-32 $(arch-y) $(tune-y) -msoft-float -Wa,-mno-fpu
  60
  61 CHECKFLAGS      += -D__arm__=1
  62
  63 #Default value
  64 DATAADDR        := .
  65
  66 head-y          := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
  67 textaddr-y      := 0xC0008000
  68
  69  machine-$(CONFIG_ARCH_RPC)        := rpc
  70  machine-$(CONFIG_ARCH_EBSA110)    := ebsa110
  71  machine-$(CONFIG_ARCH_CLPS7500)   := clps7500
  72   incdir-$(CONFIG_ARCH_CLPS7500)   := cl7500
  73  machine-$(CONFIG_FOOTBRIDGE)      := footbridge
  74   incdir-$(CONFIG_FOOTBRIDGE)      := ebsa285
  75 textaddr-$(CONFIG_ARCH_CO285)      := 0x60008000
  76  machine-$(CONFIG_ARCH_CO285)      := footbridge
  77   incdir-$(CONFIG_ARCH_CO285)      := ebsa285
  78  machine-$(CONFIG_ARCH_SHARK)      := shark
  79  machine-$(CONFIG_ARCH_SA1100)     := sa1100
  80 ifeq ($(CONFIG_ARCH_SA1100),y)
  81 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
  82 textaddr-$(CONFIG_SA1111)          := 0xc0208000
  83 endif
  84  machine-$(CONFIG_ARCH_PXA)        := pxa
  85  machine-$(CONFIG_ARCH_L7200)      := l7200
  86  machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
  87  machine-$(CONFIG_ARCH_CAMELOT)    := epxa10db
  88 textaddr-$(CONFIG_ARCH_CLPS711X)   := 0xc0028000
  89  machine-$(CONFIG_ARCH_CLPS711X)   := clps711x
  90 textaddr-$(CONFIG_ARCH_FORTUNET)   := 0xc0008000
  91  machine-$(CONFIG_ARCH_IOP3XX)     := iop3xx
  92  machine-$(CONFIG_ARCH_IXP4XX)     := ixp4xx
  93  machine-$(CONFIG_ARCH_OMAP)       := omap
  94  machine-$(CONFIG_ARCH_S3C2410)    := s3c2410
  95  machine-$(CONFIG_ARCH_LH7A40X)    := lh7a40x
  96  machine-$(CONFIG_ARCH_VERSATILE_PB) := versatile
  97  machine-$(CONFIG_ARCH_IMX)        := imx
  98
  99 ifeq ($(CONFIG_ARCH_EBSA110),y)
 100 # This is what happens if you forget the IOCS16 line.
 101 # PCMCIA cards stop working.
 102 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
 103 export CFLAGS_3c589_cs.o
 104 endif
 105
 106 TEXTADDR := $(textaddr-y)
 107 ifeq ($(incdir-y),)
 108 incdir-y := $(machine-y)
 109 endif
 110 INCDIR   := arch-$(incdir-y)
 111
 112 export  TEXTADDR GZFLAGS
 113
 114 # Do we have FASTFPE?
 115 FASTFPE         :=arch/arm/fastfpe
 116 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
 117 FASTFPE_OBJ     :=$(FASTFPE)/
 118 endif
 119
 120 # If we have a machine-specific directory, then include it in the build.
 121 core-y                          += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
 122 ifneq ($(machine-y),)
 123 core-y                          += arch/arm/mach-$(machine-y)/
 124 endif
 125 core-$(CONFIG_FPE_NWFPE)        += arch/arm/nwfpe/
 126 core-$(CONFIG_FPE_FASTFPE)      += $(FASTFPE_OBJ)
 127 core-$(CONFIG_VFP)              += arch/arm/vfp/
 128
 129 drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/
 130 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
 131 drivers-$(CONFIG_ARCH_L7200)    += drivers/acorn/char/
 132
 133 libs-y                          += arch/arm/lib/
 134
 135 # Default target when executing plain make
 136 all: zImage
 137
 138 boot := arch/arm/boot
 139
 140 #       Update machine arch and proc symlinks if something which affects
 141 #       them changed.  We use .arch to indicate when they were updated
 142 #       last, otherwise make uses the target directory mtime.
 143
 144 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
 145         @echo '  SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
 146 ifneq ($(KBUILD_SRC),)
 147         $(Q)mkdir -p include/asm-arm
 148         $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
 149 else
 150         $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
 151 endif
 152         @touch $@
 153
 154 prepare: maketools include/asm-arm/.arch
 155
 156 .PHONY: maketools FORCE
 157 maketools: include/asm-arm/constants.h include/linux/version.h FORCE
 158         $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
 159
 160 # Convert bzImage to zImage
 161 bzImage: zImage
 162
 163 zImage Image bootpImage uImage: vmlinux
 164         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 165
 166 zinstall install: vmlinux
 167         $(Q)$(MAKE) $(build)=$(boot) $@
 168
 169 CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \
 170                include/asm-arm/arch include/asm-arm/.arch
 171
 172 # We use MRPROPER_FILES and CLEAN_FILES now
 173 archclean:
 174         $(Q)$(MAKE) $(clean)=$(boot)
 175
 176 # My testing targets (bypasses dependencies)
 177 bp:;    $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
 178 i zi:;  $(Q)$(MAKE) $(build)=$(boot) $@
 179
 180 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
 181                                    include/asm-arm/.arch
 182
 183 include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s
 184         $(call filechk,gen-asm-offsets)
 185
 186 define archhelp
 187   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 188   echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 189   echo  '  bootpImage    - Combined zImage and initial RAM disk'
 190   echo  '                  (supply initrd image via make variable INITRD=<path>)'
 191   echo  '  install       - Install uncompressed kernel'
 192   echo  '  zinstall      - Install compressed kernel'
 193   echo  '                  Install using (your) ~/bin/installkernel or'
 194   echo  '                  (distribution) /sbin/installkernel or'
 195   echo  '                  install to $$(INSTALL_PATH) and run lilo'
 196 endef