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File:  [ELWIX - Embedded LightWeight unIX -] / elwix / tools / oldlzma / SRC / 7zip / Compress / Branch / BranchARM.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue May 14 09:04:51 2013 UTC (11 years, 5 months ago) by misho
Branches: misho, elwix1_9_mips, MAIN
CVS tags: start, elwix2_8, elwix2_7, elwix2_6, elwix2_3, elwix2_2, HEAD, ELWIX2_7, ELWIX2_6, ELWIX2_5, ELWIX2_2p0
oldlzma needs for uboot

// BranchARM.c

#include "BranchARM.h"

UInt32 ARM_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
{
  UInt32 i;
  for (i = 0; i + 4 <= size; i += 4)
  {
    if (data[i + 3] == 0xEB)
    {
      UInt32 src = (data[i + 2] << 16) | (data[i + 1] << 8) | (data[i + 0]);
      src <<= 2;
      UInt32 dest;
      if (encoding)
        dest = nowPos + i + 8 + src;
      else
        dest = src - (nowPos + i + 8);
      dest >>= 2;
      data[i + 2] = (dest >> 16);
      data[i + 1] = (dest >> 8);
      data[i + 0] = dest;
    }
  }
  return i;
}
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