git.zerfleddert.de Git - proxmark3-svn/blob - tools/merge-srec.pl

   1 # merge the code that initially executes out of flash with the RAM image
   2
   3 ($flashFile, $ramFile) = @ARGV;
   4
   5 open(FLASH, $flashFile) or die "$flashFile: $!\n";
   6
   7 while(<FLASH>) {
   8         print if /^S3/;
   9         $EOF_record = $_ if /^S[789]/;
  10 }
  11
  12 open(RAM, $ramFile) or die "$ramFile: $!\n";
  13
  14 while(<RAM>) {
  15         if(/^S3(..)(........)(.*)([0-9a-fA-F]{2})/) {
  16                 $addr = sprintf('%08X', hex($2) - 0x00200000 + 0x200);
  17                 $line = "$1$addr$3";
  18                 $checksum = 0;
  19                 $checksum += $_ foreach map(hex, unpack("a2"x40, $line));
  20                 print "S3$line", sprintf("%02X", ($checksum%256)^0xff ), "\n";
  21         }
  22 }
  23 print $EOF_record;