diff options
Diffstat (limited to 'target/linux/adm8668/image/lzma-loader/src/decompress.c')
-rw-r--r-- | target/linux/adm8668/image/lzma-loader/src/decompress.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/target/linux/adm8668/image/lzma-loader/src/decompress.c b/target/linux/adm8668/image/lzma-loader/src/decompress.c deleted file mode 100644 index f328058..0000000 --- a/target/linux/adm8668/image/lzma-loader/src/decompress.c +++ /dev/null @@ -1,118 +0,0 @@ -/* - * LZMA compressed kernel decompressor for bcm947xx boards - * - * Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * - * Please note, this was code based on the bunzip2 decompressor code - * by Manuel Novoa III (mjn3@codepoet.org), although the only thing left - * is an idea and part of original vendor code - * - * - * 12-Mar-2005 Mineharu Takahara <mtakahar@yahoo.com> - * pass actual output size to decoder (stream mode - * compressed input is not a requirement anymore) - * - * 24-Apr-2005 Oleg I. Vdovikin - * reordered functions using lds script, removed forward decl - * - * ??-Nov-2005 Mike Baker - * reorder the script as an lzma wrapper; do not depend on flash access - */ - -#include "LzmaDecode.h" -#include <exports.h> - -#define KSEG0ADDR(addr) (0x80000000|addr) - -register volatile gd_t *gd asm ("k0"); -unsigned char *data; - -static __inline__ unsigned char get_byte() -{ - unsigned char *buffer; - - buffer = data; - data++; - - return *buffer; -} - -/* This puts lzma workspace 128k below RAM end. - * That should be enough for both lzma and stack - */ -static char *buffer = (char *)(RAMSTART + RAMSIZE - 0x00020000); -extern char _binary_vmlinux_lzma_start[]; -extern char _binary_vmlinux_lzma_end[]; -extern char lzma_start[]; -extern char lzma_end[]; - -/* should be the first function */ -void entry(unsigned int arg0, unsigned int arg1, - unsigned int arg2, unsigned int arg3) -{ - unsigned int i; /* temp value */ - unsigned int isize; /* compressed size */ - unsigned int osize; /* uncompressed size */ - int argc = arg0; - char **argv = (char **)arg1; - char **envp = (char **)arg2; - - CLzmaDecoderState vs; - - data = (unsigned char *)_binary_vmlinux_lzma_start; - isize = _binary_vmlinux_lzma_end - _binary_vmlinux_lzma_start + 1; - - puts("\nLZMA kernel loader\n"); - - printf("lzma data @ %#x - %#x\n", _binary_vmlinux_lzma_start, _binary_vmlinux_lzma_end); - printf("load addr @ %#x\n\n", KERNEL_ENTRY); - printf("jump table @ %#x\n", gd->jt[3]); - - /* lzma args */ - i = get_byte(); - vs.Properties.lc = i % 9, i = i / 9; - vs.Properties.lp = i % 5, vs.Properties.pb = i / 5; - - vs.Probs = (CProb *)buffer; - - /* skip rest of the LZMA coder property */ - data += 4; - - /* read the lower half of uncompressed size in the header */ - osize = ((unsigned int)get_byte()) + - ((unsigned int)get_byte() << 8) + - ((unsigned int)get_byte() << 16) + - ((unsigned int)get_byte() << 24); - - /* skip rest of the header (upper half of uncompressed size) */ - data += 4; - - /* decompress kernel */ - puts("\nDecompressing kernel..."); - if ((i = LzmaDecode(&vs, - (unsigned char*)data, isize, &isize, - (unsigned char*)KERNEL_ENTRY, osize, &osize)) == LZMA_RESULT_OK) - { - puts("success!\n"); - - /* Jump to load address */ -// ((void (*)(int a0, int a1, int a2, int a3))KERNEL_ENTRY)(0,0,0,0); - ((void (*)(int a0, int a1, int a2, int a3))KERNEL_ENTRY)(arg0, arg1, arg2, arg3); - } - puts("failure!\n"); -} |