linux-imx

/* Lzma decompressor for Linux kernel. Shamelessly snarfed

 *from busybox 1.1.1

 *

 *Linux kernel adaptation

 *Copyright (C) 2006  Alain < alain@knaff.lu >

 *

 *Based on small lzma deflate implementation/Small range coder

 *implementation for lzma.

 *Copyright (C) 2006  Aurelien Jacobs < aurel@gnuage.org >

 *

 *Based on LzmaDecode.c from the LZMA SDK 4.22 (http://www.7-zip.org/)

 *Copyright (C) 1999-2005  Igor Pavlov

 *

 *Copyrights of the parts, see headers below.

 *

 *

 *This program is free software; you can redistribute it and/or

 *modify it under the terms of the GNU Lesser General Public

 *License as published by the Free Software Foundation; either

 *version 2.1 of the License, or (at your option) any later version.

 *

 *This program is distributed in the hope that it will be useful,

 *but WITHOUT ANY WARRANTY; without even the implied warranty of

 *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 *Lesser General Public License for more details.

 *

 *You should have received a copy of the GNU Lesser General Public

 *License along with this library; if not, write to the Free Software

 *Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

​

#ifdef STATIC

#define PREBOOT

#else

#include <linux/decompress/unlzma.h>

#endif /* STATIC */

​

#include <linux/decompress/mm.h>

​

#define MIN(a, b) (((a) < (b)) ? (a) : (b))

​

static long long INIT read_int(unsigned char *ptr, int size)

{

    int i;

    long long ret = 0;

​

    for (i = 0; i < size; i++)

        ret = (ret << 8) | ptr[size-i-1];

    return ret;

}

​

#define ENDIAN_CONVERT(x) \

  x = (typeof(x))read_int((unsigned char *)&x, sizeof(x))

​

​

/* Small range coder implementation for lzma.

 *Copyright (C) 2006  Aurelien Jacobs < aurel@gnuage.org >

 *

 *Based on LzmaDecode.c from the LZMA SDK 4.22 (http://www.7-zip.org/)

 *Copyright (c) 1999-2005  Igor Pavlov

 */

​

#include <linux/compiler.h>