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 CPPFLAGS_vmlinux.lds = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR)
  12 OBJCOPYFLAGS    :=-O binary -R .note -R .comment -S
  13 GZFLAGS         :=-9
  14 #CFLAGS         +=-pipe
  15
  16 ifeq ($(CONFIG_FRAME_POINTER),y)
  17 CFLAGS          +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
  18 endif
  19
  20 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
  21 CFLAGS          += -mbig-endian
  22 AS              += -EB
  23 LD              += -EB
  24 AFLAGS          += -mbig-endian
  25 else
  26 CFLAGS          += -mlittle-endian
  27 AS              += -EL
  28 LD              += -EL
  29 AFLAGS          += -mlittle-endian
  30 endif
  31
  32 comma = ,
  33
  34 # This selects which instruction set is used.
  35 # Note that GCC does not numerically define an architecture version
  36 # macro, but instead defines a whole series of macros which makes
  37 # testing for a specific architecture or later rather impossible.
  38 arch-$(CONFIG_CPU_32v6)         :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
  39 arch-$(CONFIG_CPU_32v5)         :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
  40 arch-$(CONFIG_CPU_32v4)         :=-D__LINUX_ARM_ARCH__=4 -march=armv4
  41 arch-$(CONFIG_CPU_32v3)         :=-D__LINUX_ARM_ARCH__=3 -march=armv3
  42
  43 # This selects how we optimise for the processor.
  44 tune-$(CONFIG_CPU_ARM610)       :=-mtune=arm610
  45 tune-$(CONFIG_CPU_ARM710)       :=-mtune=arm710
  46 tune-$(CONFIG_CPU_ARM720T)      :=-mtune=arm7tdmi
  47 tune-$(CONFIG_CPU_ARM920T)      :=-mtune=arm9tdmi
  48 tune-$(CONFIG_CPU_ARM922T)      :=-mtune=arm9tdmi
  49 tune-$(CONFIG_CPU_ARM925T)      :=-mtune=arm9tdmi
  50 tune-$(CONFIG_CPU_ARM926T)      :=-mtune=arm9tdmi
  51 tune-$(CONFIG_CPU_SA110)        :=-mtune=strongarm110
  52 tune-$(CONFIG_CPU_SA1100)       :=-mtune=strongarm1100
  53 tune-$(CONFIG_CPU_XSCALE)       :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  54 tune-$(CONFIG_CPU_V6)           :=-mtune=strongarm
  55
  56 # Need -Uarm for gcc < 3.x
  57 CFLAGS          +=-mapcs-32 $(arch-y) $(tune-y) $(call cc-option,-malignment-traps,-mshort-load-bytes) -msoft-float -Uarm
  58 AFLAGS          +=-mapcs-32 $(arch-y) $(tune-y) -msoft-float
  59
  60 CHECKFLAGS      += -D__arm__
  61
  62 #Default value
  63 DATAADDR        := .
  64
  65 head-y          := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
  66 textaddr-y      := 0xC0008000
  67
  68  machine-$(CONFIG_ARCH_RPC)        := rpc
  69  machine-$(CONFIG_ARCH_EBSA110)    := ebsa110
  70  machine-$(CONFIG_ARCH_CLPS7500)   := clps7500
  71   incdir-$(CONFIG_ARCH_CLPS7500)   := cl7500
  72  machine-$(CONFIG_FOOTBRIDGE)      := footbridge
  73   incdir-$(CONFIG_FOOTBRIDGE)      := ebsa285
  74 textaddr-$(CONFIG_ARCH_CO285)      := 0x60008000
  75  machine-$(CONFIG_ARCH_CO285)      := footbridge
  76   incdir-$(CONFIG_ARCH_CO285)      := ebsa285
  77  machine-$(CONFIG_ARCH_SHARK)      := shark
  78  machine-$(CONFIG_ARCH_SA1100)     := sa1100
  79 ifeq ($(CONFIG_ARCH_SA1100),y)
  80 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
  81 textaddr-$(CONFIG_SA1111)          := 0xc0208000
  82 endif
  83  machine-$(CONFIG_ARCH_PXA)        := pxa
  84  machine-$(CONFIG_ARCH_L7200)      := l7200
  85  machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
  86  machine-$(CONFIG_ARCH_CAMELOT)    := epxa10db
  87 textaddr-$(CONFIG_ARCH_CLPS711X)   := 0xc0028000
  88  machine-$(CONFIG_ARCH_CLPS711X)   := clps711x
  89 textaddr-$(CONFIG_ARCH_FORTUNET)   := 0xc0008000
  90  machine-$(CONFIG_ARCH_IOP3XX)     := iop3xx
  91  machine-$(CONFIG_ARCH_IXP4XX)     := ixp4xx
  92  machine-$(CONFIG_ARCH_IXP2000)    := ixp2000
  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-$(CONFIG_ARCH_IMX)        := imx
  98  machine-$(CONFIG_ARCH_H720X)      := h720x
  99  machine-$(CONFIG_ARCH_MOXACPU)    := moxacpu
 100
 101 ifeq ($(CONFIG_ARCH_EBSA110),y)
 102 # This is what happens if you forget the IOCS16 line.
 103 # PCMCIA cards stop working.
 104 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
 105 export CFLAGS_3c589_cs.o
 106 endif
 107
 108 TEXTADDR := $(textaddr-y)
 109 ifeq ($(incdir-y),)
 110 incdir-y := $(machine-y)
 111 endif
 112 INCDIR   := arch-$(incdir-y)
 113
 114 export  TEXTADDR GZFLAGS
 115
 116 # Do we have FASTFPE?
 117 FASTFPE         :=arch/arm/fastfpe
 118 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
 119 FASTFPE_OBJ     :=$(FASTFPE)/
 120 endif
 121
 122 # If we have a machine-specific directory, then include it in the build.
 123 core-y                          += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
 124 ifneq ($(machine-y),)
 125 core-y                          += arch/arm/mach-$(machine-y)/
 126 endif
 127 core-$(CONFIG_FPE_NWFPE)        += arch/arm/nwfpe/
 128 core-$(CONFIG_FPE_FASTFPE)      += $(FASTFPE_OBJ)
 129 core-$(CONFIG_VFP)              += arch/arm/vfp/
 130
 131 drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/
 132 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
 133 drivers-$(CONFIG_ARCH_L7200)    += drivers/acorn/char/
 134
 135 libs-y                          += arch/arm/lib/
 136
 137 # Default target when executing plain make
 138 all: zImage
 139
 140 boot := arch/arm/boot
 141
 142 #       Update machine arch and proc symlinks if something which affects
 143 #       them changed.  We use .arch to indicate when they were updated
 144 #       last, otherwise make uses the target directory mtime.
 145
 146 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
 147         @echo '  SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
 148 ifneq ($(KBUILD_SRC),)
 149         $(Q)mkdir -p include/asm-arm
 150         $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
 151 else
 152         $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
 153 endif
 154         @touch $@
 155
 156 prepare: maketools include/asm-arm/.arch
 157
 158 .PHONY: maketools FORCE
 159 maketools: include/asm-arm/constants.h include/linux/version.h FORCE
 160         $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
 161
 162 # Convert bzImage to zImage
 163 bzImage: zImage
 164
 165 zImage Image bootpImage uImage: vmlinux
 166         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 167
 168 zinstall install: vmlinux
 169         $(Q)$(MAKE) $(build)=$(boot) $@
 170
 171 CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \
 172                include/asm-arm/arch include/asm-arm/.arch
 173
 174 # We use MRPROPER_FILES and CLEAN_FILES now
 175 archclean:
 176         $(Q)$(MAKE) $(clean)=$(boot)
 177
 178 # My testing targets (bypasses dependencies)
 179 bp:;    $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
 180 i zi:;  $(Q)$(MAKE) $(build)=$(boot) $@
 181
 182 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
 183                                    include/asm-arm/.arch
 184
 185 include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s
 186         $(call filechk,gen-asm-offsets)
 187
 188 define archhelp
 189   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 190   echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 191   echo  '  bootpImage    - Combined zImage and initial RAM disk'
 192   echo  '                  (supply initrd image via make variable INITRD=<path>)'
 193   echo  '  install       - Install uncompressed kernel'
 194   echo  '  zinstall      - Install compressed kernel'
 195   echo  '                  Install using (your) ~/bin/installkernel or'
 196   echo  '                  (distribution) /sbin/installkernel or'
 197   echo  '                  install to $$(INSTALL_PATH) and run lilo'
 198 endef