Mercurial > yaffs-ecoscentric-gpl

annotate patch-ker.sh @ 410:0e17f61fb076

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yaffs: Changes to test scripts Add mount_cycling script. Change /proc/yaffs_debug references to /proc/yaffs_stats. Signed-off-by: Charles Manning <cdhmanning@gmail.com>
author Charles Manning <cdhmanning@gmail.com>
date Thu, 22 Apr 2010 13:27:28 +1200
parents b5309c9b6d7f
children
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1 #!/bin/sh
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2 #
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3 # YAFFS: Yet another FFS. A NAND-flash specific file system.
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4 #
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5 # Copyright (C) 2002-2010 Aleph One Ltd.
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6 #
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7 # Created by Charles Manning <charles@aleph1.co.uk>
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8 #
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9 # This program is free software; you can redistribute it and/or modify
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10 # it under the terms of the GNU General Public License version 2 as
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11 # published by the Free Software Foundation.
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12 #
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13 # Patch YAFFS into the kernel
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14 #
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15 # args: kpath : Full path to kernel sources to be patched
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16 #
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17 # Somewhat "inspired by" the mtd patchin script
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18 #
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19
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20 VERSION=0
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21 PATCHLEVEL=0
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22 SUBLEVEL=0
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23 COPYORLINK=$1
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24 LINUXDIR=$2
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26 # To be a Linux directory, it must have a Makefile
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29 # Display usage of this script
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30 usage () {
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31 echo "usage: $0 c/l kernelpath"
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32 echo " if c/l is c, then copy. If l then link"
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33 exit 1
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34 }
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38 if [ -z $LINUXDIR ]
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39 then
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40 usage;
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41 fi
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42
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43 if [ $COPYORLINK = l ]; then
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44 CPY="ln -s"
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45 elif [ $COPYORLINK = c ]; then
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46 CPY="cp"
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47 else
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48 echo "unknown copy or link type"
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49 usage;
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50 fi
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52
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53 # Check if kerneldir contains a Makefile
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54 if [ ! -f $LINUXDIR/Makefile ]
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55 then
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56 echo "Directory $LINUXDIR does not exist or is not a kernel source directory";
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57 exit 1;
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58 fi
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59
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60 # Get kernel version
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61 VERSION=`grep -s VERSION <$LINUXDIR/Makefile | head -n 1 | sed s/'VERSION = '//`
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62 PATCHLEVEL=`grep -s PATCHLEVEL <$LINUXDIR/Makefile | head -n 1 | sed s/'PATCHLEVEL = '//`
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63 SUBLEVEL=`grep -s SUBLEVEL <$LINUXDIR/Makefile | head -n 1 | sed s/'SUBLEVEL = '//`
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64
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65 # Can we handle this version?
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66 if [ $VERSION -ne 2 -o $PATCHLEVEL -lt 6 ]
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67 then
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68 echo "Cannot patch kernel version $VERSION.$PATCHLEVEL.$SUBLEVEL, must be 2.6.x or higher"
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69 exit 1;
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70 fi
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73 KCONFIG=$LINUXDIR/fs/Kconfig
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74 KCONFIGOLD=$LINUXDIR/fs/Kconfig.pre.yaffs
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75 YAFFS_PATCHED_STRING=`grep -s yaffs <$KCONFIG | head -n 1`
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77 MAKEFILE=$LINUXDIR/fs/Makefile
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78 MAKEFILEOLD=$LINUXDIR/fs/Makefile.pre.yaffs
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80 if [ ! -z "$YAFFS_PATCHED_STRING" ]
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81 then
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82 YAFFS_PATCHED=0
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83 echo "$KCONFIG already mentions YAFFS, so we will not change it"
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84 else
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85 # Change the fs/Kconfig file
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86 # Save the old Kconfig
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87 # Copy all stuff up to JFFS
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88 # Insert some YAFFS stuff
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89 # Copy all the rest of the stuff
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90
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91 YAFFS_PATCHED=1
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92 echo "Updating $KCONFIG"
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93 mv -f $KCONFIG $KCONFIGOLD
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94 sed -n -e "/[Jj][Ff][Ff][Ss]/,99999 ! p" $KCONFIGOLD >$KCONFIG
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95 echo "">>$KCONFIG
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96 echo "# Patched by YAFFS" >>$KCONFIG
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97 echo "source \"fs/yaffs2/Kconfig\"">>$KCONFIG
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98 echo "">>$KCONFIG
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99 sed -n -e "/[Jj][Ff][Ff][Ss]/,99999 p" $KCONFIGOLD >>$KCONFIG
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100
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101 # now do fs/Makefile -- simply add the target at the end
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102 echo "Updating $MAKEFILE"
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103 cp -f $MAKEFILE $MAKEFILEOLD
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104 echo "">>$MAKEFILE
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105 echo "# Patched by YAFFS" >>$MAKEFILE
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106 echo "obj-\$(CONFIG_YAFFS_FS) += yaffs2/" >>$MAKEFILE
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107
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108 fi
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109
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110 YAFFSDIR=$LINUXDIR/fs/yaffs2
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111
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112 if [ -e $YAFFSDIR ]
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113 then
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114 echo "$YAFFSDIR exists, not patching"
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115 else
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116 mkdir $LINUXDIR/fs/yaffs2
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117 $CPY $PWD/Makefile.kernel $LINUXDIR/fs/yaffs2/Makefile
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118 $CPY $PWD/Kconfig $LINUXDIR/fs/yaffs2
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119 $CPY $PWD/*.c $PWD/*.h $LINUXDIR/fs/yaffs2
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120 fi