arch/sparc/Makefile

   1 #
   2 # sparc/Makefile
   3 #
   4 # Makefile for the architecture dependent flags and dependencies on the
   5 # Sparc and sparc64.
   6 #
   7 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
   8 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
   9
  10 # We are not yet configured - so test on arch
  11 ifeq ($(ARCH),sparc)
  12         KBUILD_DEFCONFIG := sparc32_defconfig
  13 else
  14         KBUILD_DEFCONFIG := sparc64_defconfig
  15 endif
  16
  17 ifeq ($(CONFIG_SPARC32),y)
  18 #####
  19 # sparc32
  20 #
  21
  22 CHECKFLAGS     += -D__sparc__
  23 LDFLAGS        := -m elf32_sparc
  24 export BITS    := 32
  25 UTS_MACHINE    := sparc
  26
  27 # We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
  28 # versions of gcc.  Some gcc versions won't pass -Av8 to binutils when you
  29 # give -mcpu=v8.  This silently worked with older bintutils versions but
  30 # does not any more.
  31 KBUILD_CFLAGS  += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
  32 KBUILD_CFLAGS  += -Wa,-Av8
  33
  34 KBUILD_AFLAGS  += -m32 -Wa,-Av8
  35
  36 else
  37 #####
  38 # sparc64
  39 #
  40
  41 CHECKFLAGS    += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
  42 LDFLAGS       := -m elf64_sparc
  43 export BITS   := 64
  44 UTS_MACHINE   := sparc64
  45
  46 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
  47 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
  48 KBUILD_CFLAGS += -Wa,--undeclared-regs
  49 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
  50 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
  51
  52 ifeq ($(CONFIG_MCOUNT),y)
  53   KBUILD_CFLAGS += -pg
  54 endif
  55
  56 endif
  57
  58 head-y                 := arch/sparc/kernel/head_$(BITS).o
  59
  60 # See arch/sparc/Kbuild for the core part of the kernel
  61 core-y                 += arch/sparc/
  62
  63 libs-y                 += arch/sparc/prom/
  64 libs-y                 += arch/sparc/lib/
  65
  66 drivers-$(CONFIG_PM) += arch/sparc/power/
  67 drivers-$(CONFIG_OPROFILE)      += arch/sparc/oprofile/
  68
  69 boot := arch/sparc/boot
  70
  71 # Default target
  72 all: zImage
  73
  74 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
  75         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  76
  77 install:
  78         $(Q)$(MAKE) $(build)=$(boot) $@
  79
  80 archclean:
  81         $(Q)$(MAKE) $(clean)=$(boot)
  82
  83 # This is the image used for packaging
  84 KBUILD_IMAGE := $(boot)/zImage
  85
  86 # Don't use tabs in echo arguments.
  87 ifeq ($(ARCH),sparc)
  88 define archhelp
  89   echo  '* image        - kernel image ($(boot)/image)'
  90   echo  '* zImage       - stripped kernel image ($(boot)/zImage)'
  91   echo  '  uImage       - U-Boot SPARC32 Image (only for LEON)'
  92   echo  '  tftpboot.img - image prepared for tftp'
  93 endef
  94 else
  95 define archhelp
  96   echo  '* vmlinux      - standard sparc64 kernel'
  97   echo  '* zImage       - stripped and compressed sparc64 kernel ($(boot)/zImage)'
  98   echo  '  vmlinux.aout - a.out kernel for sparc64'
  99   echo  '  tftpboot.img - image prepared for tftp'
 100 endef
 101 endif