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 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 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 $(call check_gcc,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
  40 arch-$(CONFIG_CPU_32v5)         :=-D__LINUX_ARM_ARCH__=5 $(call check_gcc,-march=armv5te,-march=armv4)
  41 arch-$(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 check_gcc,-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) -mshort-load-bytes -msoft-float -Wa,-mno-fpu -Uarm
  59 AFLAGS          +=-mapcs-32 $(arch-y) $(tune-y) -msoft-float -Wa,-mno-fpu
  60
  61 #Default value
  62 DATAADDR        := .
  63
  64 head-y          := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
  65 textaddr-y      := 0xC0008000
  66
  67  machine-$(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-$(CONFIG_ARCH_SHARK)      := shark
  77  machine-$(CONFIG_ARCH_SA1100)     := sa1100
  78 ifeq ($(CONFIG_ARCH_SA1100),y)
  79 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
  80 textaddr-$(CONFIG_SA1111)          := 0xc0208000
  81 endif
  82  machine-$(CONFIG_ARCH_PXA)        := pxa
  83  machine-$(CONFIG_ARCH_L7200)      := l7200
  84  machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
  85  machine-$(CONFIG_ARCH_CAMELOT)    := epxa10db
  86 textaddr-$(CONFIG_ARCH_CLPS711X)   := 0xc0028000
  87  machine-$(CONFIG_ARCH_CLPS711X)   := clps711x
  88 textaddr-$(CONFIG_ARCH_FORTUNET)   := 0xc0008000
  89  machine-$(CONFIG_ARCH_IOP3XX)     := iop3xx
  90  machine-$(CONFIG_ARCH_IXP4XX)     := ixp4xx
  91  machine-$(CONFIG_ARCH_OMAP)       := omap
  92  machine-$(CONFIG_ARCH_S3C2410)    := s3c2410
  93  machine-$(CONFIG_ARCH_LH7A40X)    := lh7a40x
  94  machine-$(CONFIG_ARCH_VERSATILE_PB) := versatile
  95
  96 ifeq ($(CONFIG_ARCH_EBSA110),y)
  97 # This is what happens if you forget the IOCS16 line.
  98 # PCMCIA cards stop working.
  99 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
 100 export CFLAGS_3c589_cs.o
 101 endif
 102
 103 TEXTADDR := $(textaddr-y)
 104 ifeq ($(incdir-y),)
 105 incdir-y := $(machine-y)
 106 endif
 107 INCDIR   := arch-$(incdir-y)
 108
 109 export  TEXTADDR GZFLAGS
 110
 111 # Do we have FASTFPE?
 112 FASTFPE         :=arch/arm/fastfpe
 113 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
 114 FASTFPE_OBJ     :=$(FASTFPE)/
 115 endif
 116
 117 # If we have a machine-specific directory, then include it in the build.
 118 core-y                          += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
 119 ifneq ($(machine-y),)
 120 core-y                          += arch/arm/mach-$(machine-y)/
 121 endif
 122 core-$(CONFIG_FPE_NWFPE)        += arch/arm/nwfpe/
 123 core-$(CONFIG_FPE_FASTFPE)      += $(FASTFPE_OBJ)
 124 core-$(CONFIG_VFP)              += arch/arm/vfp/
 125
 126 drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/
 127 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
 128 drivers-$(CONFIG_ARCH_L7200)    += drivers/acorn/char/
 129
 130 libs-y                          += arch/arm/lib/
 131
 132 # Default target when executing plain make
 133 all: zImage
 134
 135 boot := arch/arm/boot
 136
 137 #       Update machine arch and proc symlinks if something which affects
 138 #       them changed.  We use .arch to indicate when they were updated
 139 #       last, otherwise make uses the target directory mtime.
 140
 141 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
 142         @echo '  SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
 143 ifneq ($(KBUILD_SRC),)
 144         $(Q)mkdir -p include/asm-arm
 145         $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
 146 else
 147         $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
 148 endif
 149         @touch $@
 150
 151 prepare: maketools include/asm-arm/.arch
 152
 153 .PHONY: maketools FORCE
 154 maketools: include/asm-arm/constants.h include/linux/version.h FORCE
 155         $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
 156
 157 # Convert bzImage to zImage
 158 bzImage: zImage
 159
 160 zImage Image bootpImage uImage: vmlinux
 161         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 162
 163 zinstall install: vmlinux
 164         $(Q)$(MAKE) $(build)=$(boot) $@
 165
 166 CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \
 167                include/asm-arm/arch include/asm-arm/.arch
 168
 169 # We use MRPROPER_FILES and CLEAN_FILES now
 170 archclean:
 171         $(Q)$(MAKE) $(clean)=$(boot)
 172
 173 # My testing targets (bypasses dependencies)
 174 bp:;    $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
 175 i zi:;  $(Q)$(MAKE) $(build)=$(boot) $@
 176
 177 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
 178                                    include/asm-arm/.arch
 179
 180 include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s
 181         $(call filechk,gen-asm-offsets)
 182
 183 define archhelp
 184   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 185   echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 186   echo  '  bootpImage    - Combined zImage and initial RAM disk'
 187   echo  '                  (supply initrd image via make variable INITRD=<path>)'
 188   echo  '  install       - Install uncompressed kernel'
 189   echo  '  zinstall      - Install compressed kernel'
 190   echo  '                  Install using (your) ~/bin/installkernel or'
 191   echo  '                  (distribution) /sbin/installkernel or'
 192   echo  '                  install to $$(INSTALL_PATH) and run lilo'
 193 endef