Modules/Filesystems/InitRD/GenerateInitRD.php

   1 <?php
   2 $lGenDate = date("Y-m-d H:i");
   3 $gOutput = <<<EOF
   4 /*
   5  * Acess2 InitRD
   6  * InitRD Data
   7  * Generated $lGenDate
   8  */
   9 #include "initrd.h"
  10
  11 EOF;
  12
  13 $ACESSDIR = getenv("ACESSDIR");
  14 $ARCH = getenv("ARCH");
  15
  16 $gInputFile = $argv[1];
  17 $gOutputFile = $argv[2];
  18 $gDepFile = ($argc > 3 ? $argv[3] : false);
  19
  20 $gDependencies = array();
  21
  22 $lines = file($argv[1]);
  23
  24 $lDepth = 0;
  25 $lTree = array();
  26 $lStack = array( array("",array()) );
  27 foreach($lines as $line)
  28 {
  29         $line = trim($line);
  30         // Directory
  31         if(preg_match('/^Dir\s+"([^"]+)"\s+{$/', $line, $matches))
  32         {
  33                 $new = array($matches[1], array());
  34                 array_push($lStack, $new);
  35                 $lDepth ++;
  36                 continue;
  37         }
  38         // End of a block
  39         if($line == "}")
  40         {
  41                 $lDepth --;
  42                 $lStack[$lDepth][1][] = array_pop($lStack);
  43                 continue;
  44         }
  45         // File
  46         if(preg_match('/^File\s+"([^"]+)"\s+"([^"]+)"$/', $line, $matches))
  47         {
  48                 $lStack[$lDepth][1][] = array($matches[1], $matches[2]);
  49                 continue;
  50         }
  51         echo "ERROR: $line\n";
  52         exit(0);
  53 }
  54
  55 function hd($fp)
  56 {
  57         //return "0x".str_pad( dechex(ord(fgetc($fp))), 8, "0", STR_PAD_LEFT );
  58         $val = unpack("I", fread($fp, 4));
  59         //print_r($val);        exit -1;
  60         return "0x".dechex($val[1]);
  61 }
  62
  63 function hd8($fp)
  64 {
  65         return "0x".str_pad( dechex(ord(fgetc($fp))), 2, "0", STR_PAD_LEFT );
  66 }
  67
  68 function ProcessFolder($prefix, $items)
  69 {
  70         global  $gOutput, $gDependencies;
  71         global  $ACESSDIR, $ARCH;
  72         foreach($items as $i=>$item)
  73         {
  74                 if(is_array($item[1]))
  75                 {
  76                         ProcessFolder("{$prefix}_{$i}", $item[1]);
  77
  78                         $gOutput .= "tInitRD_File {$prefix}_{$i}_entries[] = {\n";
  79                         foreach($item[1] as $j=>$child)
  80                         {
  81                                 if($j)  $gOutput .= ",\n";
  82                                 $gOutput .= "\t{\"".addslashes($child[0])."\",&{$prefix}_{$i}_{$j}}";
  83                         }
  84                         $gOutput .= "\n};\n";
  85
  86                         $size = count($item[1]);
  87                         $gOutput .= <<<EOF
  88 tVFS_Node {$prefix}_{$i} = {
  89         .NumACLs = 1,
  90         .ACLs = &gVFS_ACL_EveryoneRX,
  91         .Flags = VFS_FFLAG_DIRECTORY,
  92         .Size = $size,
  93         .ImplPtr = {$prefix}_{$i}_entries,
  94         .ReadDir = InitRD_ReadDir,
  95         .FindDir = InitRD_FindDir
  96 };
  97
  98 EOF;
  99                 }
 100                 else
 101                 {
 102                         $path = $item[1];
 103
 104                         // Parse path components
 105                         $path = str_replace("__BIN__", "$ACESSDIR/Usermode/Output/$ARCH", $path);
 106                         $path = str_replace("__FS__", "$ACESSDIR/Usermode/Filesystem", $path);
 107                         echo $path,"\n";
 108                         // ---
 109
 110                         $gDependencies[] = $path;
 111
 112                         if(!file_exists($path)) {
 113                                 echo "ERROR: '{$path}' does not exist\n",
 114                                 exit(1);
 115                         }
 116                         $size = filesize($path);
 117
 118                         $fp = fopen($path, "rb");
 119
 120                         $gOutput .= "Uint8 {$prefix}_{$i}_data[] = {\n";
 121                         for( $j = 0; $j + 16 < $size; $j += 16 ) {
 122                                 $gOutput .= "\t";
 123                                 $gOutput .= hd8($fp).",".hd8($fp).",";
 124                                 $gOutput .= hd8($fp).",".hd8($fp).",";
 125                                 $gOutput .= hd8($fp).",".hd8($fp).",";
 126                                 $gOutput .= hd8($fp).",".hd8($fp).",";
 127                                 $gOutput .= hd8($fp).",".hd8($fp).",";
 128                                 $gOutput .= hd8($fp).",".hd8($fp).",";
 129                                 $gOutput .= hd8($fp).",".hd8($fp).",";
 130                                 $gOutput .= hd8($fp).",".hd8($fp).",\n";
 131                         }
 132                         $gOutput .= "\t";
 133                         for( ; $j < $size; $j ++ ) {
 134                                 if( $j & 15 )   $gOutput .= ",";
 135                                 $gOutput .= hd8($fp);
 136                         }
 137                         fclose($fp);
 138                         $gOutput .= "\n};\n";
 139                         $gOutput .= <<<EOF
 140 tVFS_Node {$prefix}_{$i} = {
 141         .NumACLs = 1,
 142         .ACLs = &gVFS_ACL_EveryoneRX,
 143         .Flags = 0,
 144         .Size = $size,
 145         .ImplPtr = {$prefix}_{$i}_data,
 146         .Read = InitRD_ReadFile
 147 };
 148
 149 EOF;
 150                 }
 151         }
 152 }
 153
 154 //print_r($lStack);
 155 //exit(1);
 156
 157 ProcessFolder("gInitRD_Files", $lStack[0][1]);
 158
 159 $gOutput .= "tInitRD_File gInitRD_Root_Files[] = {\n";
 160 foreach($lStack[0][1] as $j=>$child)
 161 {
 162         if($j)  $gOutput .= ",\n";
 163         $gOutput .= "\t{\"".addslashes($child[0])."\",&gInitRD_Files_{$j}}";
 164 }
 165 $gOutput .= "\n};\n";
 166 $nRootFiles = count($lStack[0][1]);
 167 $gOutput .= <<<EOF
 168 tVFS_Node gInitRD_RootNode = {
 169         .NumACLs = 1,
 170         .ACLs = &gVFS_ACL_EveryoneRX,
 171         .Flags = VFS_FFLAG_DIRECTORY,
 172         .Size = $nRootFiles,
 173         .ImplPtr = gInitRD_Root_Files,
 174         .ReadDir = InitRD_ReadDir,
 175         .FindDir = InitRD_FindDir
 176 };
 177 EOF;
 178
 179 $fp = fopen($gOutputFile, "w");
 180 fputs($fp, $gOutput);
 181 fclose($fp);
 182
 183
 184 if($gDepFile !== false)
 185 {
 186         $fp = fopen($gDepFile, "w");
 187         $line = $gOutputFile.":\t".implode(" ", $gDependencies);
 188         fputs($fp, $line);
 189         fclose($fp);
 190 }
 191
 192 ?>