add ar7 lzma loader

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1557 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 100 insertions, 0 deletions

diff --git a/target/linux/image/ar7/src/LzmaDecode.h b/target/linux/image/ar7/src/LzmaDecode.h
new file mode 100644
index 0000000000..f58944e3c3
--- /dev/null
+++ b/target/linux/image/ar7/src/LzmaDecode.h
@@ -0,0 +1,100 @@
+/* 
+  LzmaDecode.h
+  LZMA Decoder interface
+
+  LZMA SDK 4.05 Copyright (c) 1999-2004 Igor Pavlov (2004-08-25)
+  http://www.7-zip.org/
+
+  LZMA SDK is licensed under two licenses:
+  1) GNU Lesser General Public License (GNU LGPL)
+  2) Common Public License (CPL)
+  It means that you can select one of these two licenses and 
+  follow rules of that license.
+
+  SPECIAL EXCEPTION:
+  Igor Pavlov, as the author of this code, expressly permits you to 
+  statically or dynamically link your code (or bind by name) to the 
+  interfaces of this file without subjecting your linked code to the 
+  terms of the CPL or GNU LGPL. Any modifications or additions 
+  to this file, however, are subject to the LGPL or CPL terms.
+*/
+
+#ifndef __LZMADECODE_H
+#define __LZMADECODE_H
+
+/* #define _LZMA_IN_CB */
+/* Use callback for input data */
+
+/* #define _LZMA_OUT_READ */
+/* Use read function for output data */
+
+/* #define _LZMA_PROB32 */
+/* It can increase speed on some 32-bit CPUs, 
+   but memory usage will be doubled in that case */
+
+/* #define _LZMA_LOC_OPT */
+/* Enable local speed optimizations inside code */
+
+#ifndef UInt32
+#ifdef _LZMA_UINT32_IS_ULONG
+#define UInt32 unsigned long
+#else
+#define UInt32 unsigned int
+#endif
+#endif
+
+#ifdef _LZMA_PROB32
+#define CProb UInt32
+#else
+#define CProb unsigned short
+#endif
+
+#define LZMA_RESULT_OK 0
+#define LZMA_RESULT_DATA_ERROR 1
+#define LZMA_RESULT_NOT_ENOUGH_MEM 2
+
+#ifdef _LZMA_IN_CB
+typedef struct _ILzmaInCallback
+{
+  int (*Read)(void *object, unsigned char **buffer, UInt32 *bufferSize);
+} ILzmaInCallback;
+#endif
+
+#define LZMA_BASE_SIZE 1846
+#define LZMA_LIT_SIZE 768
+
+/* 
+bufferSize = (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << (lc + lp)))* sizeof(CProb)
+bufferSize += 100 in case of _LZMA_OUT_READ
+by default CProb is unsigned short, 
+but if specify _LZMA_PROB_32, CProb will be UInt32(unsigned int)
+*/
+
+#ifdef _LZMA_OUT_READ
+int LzmaDecoderInit(
+    unsigned char *buffer, UInt32 bufferSize,
+    int lc, int lp, int pb,
+    unsigned char *dictionary, UInt32 dictionarySize,
+  #ifdef _LZMA_IN_CB
+    ILzmaInCallback *inCallback
+  #else
+    unsigned char *inStream, UInt32 inSize
+  #endif
+);
+#endif
+
+int LzmaDecode(
+    unsigned char *buffer, 
+  #ifndef _LZMA_OUT_READ
+    UInt32 bufferSize,
+    int lc, int lp, int pb,
+  #ifdef _LZMA_IN_CB
+    ILzmaInCallback *inCallback,
+  #else
+    unsigned char *inStream, UInt32 inSize,
+  #endif
+  #endif
+    unsigned char *outStream, UInt32 outSize,
+    UInt32 *outSizeProcessed);
+
+#endif