brcm63xx: add working lzma-loader and use it for initramfs

[librecmc/librecmc.git] / target / linux / brcm63xx / image / lzma-loader / src / LzmaDecode.h

diff --git a/target/linux/brcm63xx/image/lzma-loader/src/LzmaDecode.h b/target/linux/brcm63xx/image/lzma-loader/src/LzmaDecode.h
index f58944e3c3f12d2934c932e1d4429a371c44f9f7..2870eeb9c9c1150d05a8dafe4c0b9101cb55050a 100644 (file)
--- a/target/linux/brcm63xx/image/lzma-loader/src/LzmaDecode.h
+++ b/target/linux/brcm63xx/image/lzma-loader/src/LzmaDecode.h
@@ -2,7 +2,7 @@
   LzmaDecode.h
   LZMA Decoder interface
 
-  LZMA SDK 4.05 Copyright (c) 1999-2004 Igor Pavlov (2004-08-25)
+  LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01)
   http://www.7-zip.org/
 
   LZMA SDK is licensed under two licenses:
@@ -22,6 +22,8 @@
 #ifndef __LZMADECODE_H
 #define __LZMADECODE_H
 
+#include "LzmaTypes.h"
+
 /* #define _LZMA_IN_CB */
 /* Use callback for input data */
 
@@ -35,66 +37,77 @@
 /* #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
+#define CProb UInt16
 #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);
+  int (*Read)(void *object, const unsigned char **buffer, SizeT *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)
-*/
+#define LZMA_PROPERTIES_SIZE 5
 
-#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
+typedef struct _CLzmaProperties
+{
+  int lc;
+  int lp;
+  int pb;
+  #ifdef _LZMA_OUT_READ
+  UInt32 DictionarySize;
   #endif
-);
-#endif
+}CLzmaProperties;
+
+int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size);
+
+#define LzmaGetNumProbs(Properties) (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << ((Properties)->lc + (Properties)->lp)))
+
+#define kLzmaNeedInitId (-2)
+
+typedef struct _CLzmaDecoderState
+{
+  CLzmaProperties Properties;
+  CProb *Probs;
 
-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,
+  const unsigned char *Buffer;
+  const unsigned char *BufferLim;
   #endif
+
+  #ifdef _LZMA_OUT_READ
+  unsigned char *Dictionary;
+  UInt32 Range;
+  UInt32 Code;
+  UInt32 DictionaryPos;
+  UInt32 GlobalPos;
+  UInt32 DistanceLimit;
+  UInt32 Reps[4];
+  int State;
+  int RemainLen;
+  unsigned char TempDictionary[4];
   #endif
-    unsigned char *outStream, UInt32 outSize,
-    UInt32 *outSizeProcessed);
+} CLzmaDecoderState;
+
+#ifdef _LZMA_OUT_READ
+#define LzmaDecoderInit(vs) { (vs)->RemainLen = kLzmaNeedInitId; }
+#endif
+
+int LzmaDecode(CLzmaDecoderState *vs,
+    #ifdef _LZMA_IN_CB
+    ILzmaInCallback *inCallback,
+    #else
+    const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed,
+    #endif
+    unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed);
 
 #endif