catalyst-daemon/ati_make.sh

   1 #!/bin/bash
   2 ### Vi0L0: it is ati's code from their make.sh file, modified a bit to fit our arch linux system, used inside catalyst_build_module script
   3
   4 # Copyright 1999-2005 ATI Technologies Inc., Markham, Ontario, CANADA.
   5 # All Rights Reserved.
   6 #
   7 # Your use and or redistribution of this software in source and \ or
   8 # binary form, with or without modification, is subject to: (i) your
   9 # ongoing acceptance of and compliance with the terms and conditions of
  10 # the ATI Technologies Inc. software End User License Agreement; and (ii)
  11 # your inclusion of this notice in any version of this software that you
  12 # use or redistribute.  A copy of the ATI Technologies Inc. software End
  13 # User License Agreement is included with this software and is also
  14 # available by contacting ATI Technologies Inc. at http://www.ati.com
  15
  16
  17 function _ati_check()
  18 {
  19 # ==============================================================
  20 # resolve if we are running a SMP enabled kernel
  21
  22 SMP=0
  23
  24 # 1
  25 # grep in OsVersion string for SMP specific keywords
  26 OsVersion=`uname -v`
  27
  28 if [ `echo $OsVersion | grep [sS][mM][pP] -c` -ne 0 ]; then
  29   SMP=1
  30   echo "OsVersion says: SMP=$SMP"
  31 fi
  32
  33 # 2
  34 # grep in /proc/ksyms for SMP specific kernel symbols
  35 # use triggerlevel of 10 occurences
  36 # (UP kernels might have 0-1, SMP kernels might have 32-45 or much more)
  37
  38 src_file=/proc/kallsyms
  39
  40 if [ -e $src_file ]; then
  41   if [ `fgrep smp $src_file -c` -gt 10 ]; then
  42     SMP=1
  43     echo "file $src_file says: SMP=$SMP"
  44   fi
  45 fi
  46
  47 # 3
  48 # linux/autoconf.h may contain this: #define CONFIG_SMP 1
  49
  50 # Before 2.6.33 autoconf.h is under linux/.
  51 # For 2.6.33 and later autoconf.h is under generated/.
  52 if [ -f /lib/modules/${kernver}/build/include/generated/autoconf.h ]; then
  53     autoconf_h=/lib/modules/${kernver}/build/include/generated/autoconf.h
  54 else
  55     autoconf_h=/lib/modules/${kernver}/build/include/linux/autoconf.h
  56 fi
  57 src_file=$autoconf_h
  58
  59 if [ ! -e $src_file ]; then
  60   echo "Warning:"
  61   echo "kernel includes at /lib/modules/${kernver}/build/include not found or incomplete"
  62   echo "file: $src_file"
  63   echo ""
  64 else
  65   if [ `cat $src_file | grep "#undef" | grep "CONFIG_SMP" -c` = 0 ]; then
  66     SMP=`cat $src_file | grep CONFIG_SMP | cut -d' ' -f3`
  67     echo "file $src_file says: SMP=$SMP"
  68   fi
  69 fi
  70
  71 if [ "$SMP" = 0 ]; then
  72   echo "assuming default: SMP=$SMP"
  73 fi
  74
  75 # act on final result
  76 if [ ! "$SMP" = 0 ]; then
  77   smp="-SMP"
  78   def_smp=-D__SMP__
  79 fi
  80 # ==============================================================
  81 # resolve whether we need to set PAGE_ATTR_FIX
  82 PAGE_ATTR_FIX=0
  83
  84 src_file=/proc/kallsyms
  85
  86 if [ -e $src_file ]; then
  87   if [ `fgrep " change_page_attr\$" $src_file -c` -gt 0 ]; then
  88     PAGE_ATTR_FIX=1
  89     echo "file $src_file says: PAGE_ATTR_FIX=$PAGE_ATTR_FIX"
  90   fi
  91 fi
  92 # ==============================================================
  93 # resolve if we are running a MODVERSIONS enabled kernel
  94
  95 MODVERSIONS=0
  96
  97 # autoconf.h may contain this: #define CONFIG_MODVERSIONS 1
  98 src_file=$autoconf_h
  99 if [ ! -e $src_file ];
 100 then
 101   echo "Warning:"
 102   echo "kernel includes at /lib/modules/${kernver}/build/include not found or incomplete"
 103   echo "file: $src_file"
 104   echo ""
 105 else
 106   if [ `cat $src_file | grep "#undef" | grep "CONFIG_MODVERSIONS" -c` = 0 ]
 107   then
 108     MODVERSIONS=`cat $src_file | grep CONFIG_MODVERSIONS | cut -d' ' -f3`
 109     echo "file $src_file says: MODVERSIONS=$MODVERSIONS"
 110   fi
 111 fi
 112
 113 if [ "$MODVERSIONS" = 0 ]
 114 then
 115   echo "assuming default: MODVERSIONS=$MODVERSIONS"
 116 fi
 117
 118 # act on final result
 119 if [ ! "$MODVERSIONS" = 0 ]
 120 then
 121   def_modversions="-DMODVERSIONS"
 122 fi
 123
 124 # ==============================================================
 125 # resolve if we are building for a kernel with a fix for CVE-2010-3081
 126 # On kernels with the fix, use arch_compat_alloc_user_space instead
 127 # of compat_alloc_user_space since the latter is GPL-only
 128
 129 COMPAT_ALLOC_USER_SPACE=compat_alloc_user_space
 130
 131 src_file=/lib/modules/${kernver}/build/arch/x86/include/asm/compat.h
 132 if [ ! -e $src_file ];
 133 then
 134   echo "Warning:"
 135   echo "kernel includes at /lib/modules/${kernver}/build/include not found or incomplete"
 136   echo "file: $src_file"
 137   echo ""
 138 else
 139   if [ `cat $src_file | grep -c arch_compat_alloc_user_space` -gt 0 ]
 140   then
 141     COMPAT_ALLOC_USER_SPACE=arch_compat_alloc_user_space
 142   fi
 143   echo "file $src_file says: COMPAT_ALLOC_USER_SPACE=$COMPAT_ALLOC_USER_SPACE"
 144 fi
 145 }