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 -X
  11 LDFLAGS_BLOB    :=--format binary
  12 AFLAGS_vmlinux.lds.o = -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 endif
  27
  28 comma = ,
  29
  30 # This selects which instruction set is used.
  31 # Note that GCC does not numerically define an architecture version
  32 # macro, but instead defines a whole series of macros which makes
  33 # testing for a specific architecture or later rather impossible.
  34 arch-$(CONFIG_CPU_32v5)         :=-D__LINUX_ARM_ARCH__=5 $(call check_gcc,-march=armv5te,-march=armv4)
  35 arch-$(CONFIG_CPU_32v4)         :=-D__LINUX_ARM_ARCH__=4 -march=armv4
  36 arch-$(CONFIG_CPU_32v3)         :=-D__LINUX_ARM_ARCH__=3 -march=armv3
  37
  38 # This selects how we optimise for the processor.
  39 tune-$(CONFIG_CPU_ARM610)       :=-mtune=arm610
  40 tune-$(CONFIG_CPU_ARM710)       :=-mtune=arm710
  41 tune-$(CONFIG_CPU_ARM720T)      :=-mtune=arm7tdmi
  42 tune-$(CONFIG_CPU_ARM920T)      :=-mtune=arm9tdmi
  43 tune-$(CONFIG_CPU_ARM922T)      :=-mtune=arm9tdmi
  44 tune-$(CONFIG_CPU_ARM926T)      :=-mtune=arm9tdmi
  45 tune-$(CONFIG_CPU_SA110)        :=-mtune=strongarm110
  46 tune-$(CONFIG_CPU_SA1100)       :=-mtune=strongarm1100
  47 tune-$(CONFIG_CPU_XSCALE)       :=$(call check_gcc,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  48
  49 # Need -Uarm for gcc < 3.x
  50 CFLAGS_BOOT     :=-mapcs-32 $(arch-y) $(tune-y) -mshort-load-bytes -msoft-float -Wa,-mno-fpu -Uarm
  51 CFLAGS          +=-mapcs-32 $(arch-y) $(tune-y) -mshort-load-bytes -msoft-float -Wa,-mno-fpu -Uarm
  52 AFLAGS          +=-mapcs-32 $(arch-y) $(tune-y) -msoft-float -Wa,-mno-fpu
  53
  54 #Default value
  55 DATAADDR        := .
  56
  57 PROCESSOR       := armv
  58 head-y          := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
  59 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
  60   LDFLAGS_BLOB  += --oformat elf32-bigarm
  61 else
  62   LDFLAGS_BLOB  += --oformat elf32-littlearm
  63 endif
  64 textaddr-y      := 0xC0008000
  65
  66  machine-$(CONFIG_ARCH_ARCA5K)     := arc
  67  machine-$(CONFIG_ARCH_RPC)        := rpc
  68  machine-$(CONFIG_ARCH_EBSA110)    := ebsa110
  69  machine-$(CONFIG_ARCH_CLPS7500)   := clps7500
  70   incdir-$(CONFIG_ARCH_CLPS7500)   := cl7500
  71  machine-$(CONFIG_FOOTBRIDGE)      := footbridge
  72   incdir-$(CONFIG_FOOTBRIDGE)      := ebsa285
  73 textaddr-$(CONFIG_ARCH_CO285)      := 0x60008000
  74  machine-$(CONFIG_ARCH_CO285)      := footbridge
  75   incdir-$(CONFIG_ARCH_CO285)      := ebsa285
  76  machine-$(CONFIG_ARCH_FTVPCI)     := ftvpci
  77   incdir-$(CONFIG_ARCH_FTVPCI)     := nexuspci
  78  machine-$(CONFIG_ARCH_TBOX)       := tbox
  79  machine-$(CONFIG_ARCH_SHARK)      := shark
  80  machine-$(CONFIG_ARCH_SA1100)     := sa1100
  81 ifeq ($(CONFIG_ARCH_SA1100),y)
  82 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
  83 textaddr-$(CONFIG_SA1111)          := 0xc0208000
  84 endif
  85  machine-$(CONFIG_ARCH_PXA)        := pxa
  86  machine-$(CONFIG_ARCH_L7200)      := l7200
  87  machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
  88  machine-$(CONFIG_ARCH_CAMELOT)    := epxa10db
  89 textaddr-$(CONFIG_ARCH_CLPS711X)   := 0xc0028000
  90  machine-$(CONFIG_ARCH_CLPS711X)   := clps711x
  91 textaddr-$(CONFIG_ARCH_FORTUNET)   := 0xc0008000
  92  machine-$(CONFIG_ARCH_ANAKIN)     := anakin
  93  machine-$(CONFIG_ARCH_IOP3XX)     := iop3xx
  94  machine-$(CONFIG_ARCH_ADIFCC)     := adifcc
  95
  96 MACHINE  := $(machine-y)
  97 TEXTADDR := $(textaddr-y)
  98 ifeq ($(incdir-y),)
  99 incdir-y := $(MACHINE)
 100 endif
 101 INCDIR   := $(incdir-y)
 102
 103 export  MACHINE PROCESSOR TEXTADDR GZFLAGS CFLAGS_BOOT
 104
 105 # Do we have FASTFPE?
 106 FASTFPE         :=arch/arm/fastfpe
 107 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
 108 FASTFPE_OBJ     :=$(FASTFPE)/
 109 endif
 110
 111 # If we have a machine-specific directory, then include it in the build.
 112 core-y                          += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
 113 ifneq ($(MACHINE),)
 114 core-y                          += arch/arm/mach-$(MACHINE)/
 115 endif
 116 core-$(CONFIG_FPE_NWFPE)        += arch/arm/nwfpe/
 117 core-$(CONFIG_FPE_FASTFPE)      += $(FASTFPE_OBJ)
 118
 119 drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/
 120 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
 121 drivers-$(CONFIG_ARCH_L7200)    += drivers/acorn/char/
 122
 123 libs-y                          += arch/arm/lib/
 124
 125 # Default target when executing plain make
 126 all: zImage
 127
 128 boot := arch/arm/boot
 129
 130 #       Update machine arch and proc symlinks if something which affects
 131 #       them changed.  We use .arch and .proc to indicate when they were
 132 #       updated last, otherwise make uses the target directory mtime.
 133
 134 include/asm-arm/.arch: $(wildcard include/config/arch/*.h)
 135         @echo '  Making asm-arm/arch -> asm-arm/arch-$(INCDIR) symlink'
 136         @rm -f include/asm-arm/arch
 137         @ln -sf arch-$(INCDIR) include/asm-arm/arch
 138         @touch $@
 139
 140 prepare: maketools
 141
 142 .PHONY: maketools FORCE
 143 maketools: include/asm-arm/.arch \
 144            include/asm-arm/constants.h include/linux/version.h FORCE
 145         $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
 146
 147 # Convert bzImage to zImage
 148 bzImage: vmlinux
 149         $(Q)$(MAKE) $(build)=$(boot) $(boot)/zImage
 150
 151 zImage Image bootpImage uImage: vmlinux
 152         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 153
 154 zinstall install: vmlinux
 155         $(Q)$(MAKE) $(build)=$(boot) $@
 156
 157 CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h
 158 MRPROPER_FILES += include/asm-arm/arch include/asm-arm/.arch
 159
 160 # We use MRPROPER_FILES and CLEAN_FILES now
 161 archclean:
 162         $(Q)$(MAKE) $(clean)=$(boot)
 163
 164 # My testing targets (that short circuit a few dependencies)
 165 zImg:;  $(Q)$(MAKE) $(build)=$(boot) $(boot)/zImage
 166 Img:;   $(Q)$(MAKE) $(build)=$(boot) $(boot)/Image
 167 bp:;    $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
 168 i:;     $(Q)$(MAKE) $(build)=$(boot) install
 169 zi:;    $(Q)$(MAKE) $(build)=$(boot) zinstall
 170
 171 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
 172                                    include/asm-arm/.arch \
 173                                    include/config/MARKER
 174
 175 include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s
 176         $(call filechk,gen-asm-offsets)
 177
 178 define archhelp
 179   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 180   echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 181   echo  '  bootpImage    - Combined zImage and initial RAM disk'
 182   echo  '  install       - Install uncompressed kernel'
 183   echo  '  zinstall      - Install compressed kernel'
 184   echo  '                  Install using (your) ~/bin/installkernel or'
 185   echo  '                  (distribution) /sbin/installkernel or'
 186   echo  '                  install to $$(INSTALL_PATH) and run lilo'
 187 endef