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authorGabor Juhos <juhosg@openwrt.org>2007-12-14 20:35:22 +0000
committerGabor Juhos <juhosg@openwrt.org>2007-12-14 20:35:22 +0000
commita9fa8faa4c975f22dbbf375de2f10b7f1b88ba86 (patch)
treee454253a845bc547637d727581a5fb333d038965 /target/linux/adm5120
parent279f3719bff2ed67da9afd87894eac78587025f1 (diff)
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update LZMA code
SVN-Revision: 9756
Diffstat (limited to 'target/linux/adm5120')
-rw-r--r--target/linux/adm5120/image/lzma-loader/src/LzmaDecode.c275
-rw-r--r--target/linux/adm5120/image/lzma-loader/src/LzmaDecode.h91
-rw-r--r--target/linux/adm5120/image/lzma-loader/src/LzmaTypes.h45
-rw-r--r--target/linux/adm5120/image/lzma-loader/src/Makefile2
-rw-r--r--target/linux/adm5120/image/lzma-loader/src/decompress.c74
5 files changed, 272 insertions, 215 deletions
diff --git a/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.c b/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.c
index 75a358a..cb83453 100644
--- a/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.c
+++ b/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.c
@@ -2,7 +2,7 @@
LzmaDecode.c
LZMA Decoder (optimized for Speed version)
- LZMA SDK 4.16 Copyright (c) 1999-2005 Igor Pavlov (2005-03-18)
+ 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:
@@ -21,10 +21,6 @@
#include "LzmaDecode.h"
-#ifndef Byte
-#define Byte unsigned char
-#endif
-
#define kNumTopBits 24
#define kTopValue ((UInt32)1 << kNumTopBits)
@@ -40,7 +36,7 @@
#ifdef _LZMA_IN_CB
#define RC_TEST { if (Buffer == BufferLim) \
- { UInt32 size; int result = InCallback->Read(InCallback, &Buffer, &size); if (result != LZMA_RESULT_OK) return result; \
+ { SizeT size; int result = InCallback->Read(InCallback, &Buffer, &size); if (result != LZMA_RESULT_OK) return result; \
BufferLim = Buffer + size; if (size == 0) return LZMA_RESULT_DATA_ERROR; }}
#define RC_INIT Buffer = BufferLim = 0; RC_INIT2
@@ -121,109 +117,86 @@
StopCompilingDueBUG
#endif
-#ifdef _LZMA_OUT_READ
-
-typedef struct _LzmaVarState
-{
- Byte *Buffer;
- Byte *BufferLim;
- UInt32 Range;
- UInt32 Code;
- #ifdef _LZMA_IN_CB
- ILzmaInCallback *InCallback;
- #endif
- Byte *Dictionary;
- UInt32 DictionarySize;
- UInt32 DictionaryPos;
- UInt32 GlobalPos;
- UInt32 Reps[4];
- int lc;
- int lp;
- int pb;
- int State;
- int RemainLen;
- Byte TempDictionary[4];
-} LzmaVarState;
-
-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
- )
+int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size)
{
- Byte *Buffer;
- Byte *BufferLim;
- UInt32 Range;
- UInt32 Code;
- LzmaVarState *vs = (LzmaVarState *)buffer;
- CProb *p = (CProb *)(buffer + sizeof(LzmaVarState));
- UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + lp));
- UInt32 i;
- if (bufferSize < numProbs * sizeof(CProb) + sizeof(LzmaVarState))
- return LZMA_RESULT_NOT_ENOUGH_MEM;
- vs->Dictionary = dictionary;
- vs->DictionarySize = dictionarySize;
- vs->DictionaryPos = 0;
- vs->GlobalPos = 0;
- vs->Reps[0] = vs->Reps[1] = vs->Reps[2] = vs->Reps[3] = 1;
- vs->lc = lc;
- vs->lp = lp;
- vs->pb = pb;
- vs->State = 0;
- vs->RemainLen = 0;
- dictionary[dictionarySize - 1] = 0;
- for (i = 0; i < numProbs; i++)
- p[i] = kBitModelTotal >> 1;
+ unsigned char prop0;
+ if (size < LZMA_PROPERTIES_SIZE)
+ return LZMA_RESULT_DATA_ERROR;
+ prop0 = propsData[0];
+ if (prop0 >= (9 * 5 * 5))
+ return LZMA_RESULT_DATA_ERROR;
+ {
+ for (propsRes->pb = 0; prop0 >= (9 * 5); propsRes->pb++, prop0 -= (9 * 5));
+ for (propsRes->lp = 0; prop0 >= 9; propsRes->lp++, prop0 -= 9);
+ propsRes->lc = prop0;
+ /*
+ unsigned char remainder = (unsigned char)(prop0 / 9);
+ propsRes->lc = prop0 % 9;
+ propsRes->pb = remainder / 5;
+ propsRes->lp = remainder % 5;
+ */
+ }
- #ifdef _LZMA_IN_CB
- RC_INIT;
- #else
- RC_INIT(inStream, inSize);
- #endif
- vs->Buffer = Buffer;
- vs->BufferLim = BufferLim;
- vs->Range = Range;
- vs->Code = Code;
- #ifdef _LZMA_IN_CB
- vs->InCallback = InCallback;
+ #ifdef _LZMA_OUT_READ
+ {
+ int i;
+ propsRes->DictionarySize = 0;
+ for (i = 0; i < 4; i++)
+ propsRes->DictionarySize += (UInt32)(propsData[1 + i]) << (i * 8);
+ if (propsRes->DictionarySize == 0)
+ propsRes->DictionarySize = 1;
+ }
#endif
-
return LZMA_RESULT_OK;
}
-int LzmaDecode(unsigned char *buffer,
- unsigned char *outStream, UInt32 outSize,
- UInt32 *outSizeProcessed)
+#define kLzmaStreamWasFinishedId (-1)
+
+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)
{
- LzmaVarState *vs = (LzmaVarState *)buffer;
- Byte *Buffer = vs->Buffer;
- Byte *BufferLim = vs->BufferLim;
+ CProb *p = vs->Probs;
+ SizeT nowPos = 0;
+ Byte previousByte = 0;
+ UInt32 posStateMask = (1 << (vs->Properties.pb)) - 1;
+ UInt32 literalPosMask = (1 << (vs->Properties.lp)) - 1;
+ int lc = vs->Properties.lc;
+
+ #ifdef _LZMA_OUT_READ
+
UInt32 Range = vs->Range;
UInt32 Code = vs->Code;
#ifdef _LZMA_IN_CB
- ILzmaInCallback *InCallback = vs->InCallback;
+ const Byte *Buffer = vs->Buffer;
+ const Byte *BufferLim = vs->BufferLim;
+ #else
+ const Byte *Buffer = inStream;
+ const Byte *BufferLim = inStream + inSize;
#endif
- CProb *p = (CProb *)(buffer + sizeof(LzmaVarState));
int state = vs->State;
- Byte previousByte;
UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3];
- UInt32 nowPos = 0;
- UInt32 posStateMask = (1 << (vs->pb)) - 1;
- UInt32 literalPosMask = (1 << (vs->lp)) - 1;
- int lc = vs->lc;
int len = vs->RemainLen;
UInt32 globalPos = vs->GlobalPos;
+ UInt32 distanceLimit = vs->DistanceLimit;
Byte *dictionary = vs->Dictionary;
- UInt32 dictionarySize = vs->DictionarySize;
+ UInt32 dictionarySize = vs->Properties.DictionarySize;
UInt32 dictionaryPos = vs->DictionaryPos;
Byte tempDictionary[4];
+
+ #ifndef _LZMA_IN_CB
+ *inSizeProcessed = 0;
+ #endif
+ *outSizeProcessed = 0;
+ if (len == kLzmaStreamWasFinishedId)
+ return LZMA_RESULT_OK;
+
if (dictionarySize == 0)
{
dictionary = tempDictionary;
@@ -231,12 +204,27 @@ int LzmaDecode(unsigned char *buffer,
tempDictionary[0] = vs->TempDictionary[0];
}
- if (len == -1)
+ if (len == kLzmaNeedInitId)
{
- *outSizeProcessed = 0;
- return LZMA_RESULT_OK;
+ {
+ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
+ UInt32 i;
+ for (i = 0; i < numProbs; i++)
+ p[i] = kBitModelTotal >> 1;
+ rep0 = rep1 = rep2 = rep3 = 1;
+ state = 0;
+ globalPos = 0;
+ distanceLimit = 0;
+ dictionaryPos = 0;
+ dictionary[dictionarySize - 1] = 0;
+ #ifdef _LZMA_IN_CB
+ RC_INIT;
+ #else
+ RC_INIT(inStream, inSize);
+ #endif
+ }
+ len = 0;
}
-
while(len != 0 && nowPos < outSize)
{
UInt32 pos = dictionaryPos - rep0;
@@ -251,50 +239,37 @@ int LzmaDecode(unsigned char *buffer,
previousByte = dictionary[dictionarySize - 1];
else
previousByte = dictionary[dictionaryPos - 1];
-#else
-int LzmaDecode(
- Byte *buffer, UInt32 bufferSize,
- int lc, int lp, int pb,
- #ifdef _LZMA_IN_CB
- ILzmaInCallback *InCallback,
- #else
- unsigned char *inStream, UInt32 inSize,
- #endif
- unsigned char *outStream, UInt32 outSize,
- UInt32 *outSizeProcessed)
-{
- UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + lp));
- CProb *p = (CProb *)buffer;
+ #else /* if !_LZMA_OUT_READ */
- UInt32 i;
int state = 0;
- Byte previousByte = 0;
UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1;
- UInt32 nowPos = 0;
- UInt32 posStateMask = (1 << pb) - 1;
- UInt32 literalPosMask = (1 << lp) - 1;
int len = 0;
-
- Byte *Buffer;
- Byte *BufferLim;
+ const Byte *Buffer;
+ const Byte *BufferLim;
UInt32 Range;
UInt32 Code;
-
- if (bufferSize < numProbs * sizeof(CProb))
- return LZMA_RESULT_NOT_ENOUGH_MEM;
- for (i = 0; i < numProbs; i++)
- p[i] = kBitModelTotal >> 1;
-
+ #ifndef _LZMA_IN_CB
+ *inSizeProcessed = 0;
+ #endif
+ *outSizeProcessed = 0;
+
+ {
+ UInt32 i;
+ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
+ for (i = 0; i < numProbs; i++)
+ p[i] = kBitModelTotal >> 1;
+ }
+
#ifdef _LZMA_IN_CB
RC_INIT;
#else
RC_INIT(inStream, inSize);
#endif
-#endif
- *outSizeProcessed = 0;
+ #endif /* _LZMA_OUT_READ */
+
while(nowPos < outSize)
{
CProb *prob;
@@ -332,7 +307,6 @@ int LzmaDecode(
#else
matchByte = outStream[nowPos - rep0];
#endif
- // prob += 0x100;
do
{
int bit;
@@ -343,7 +317,6 @@ int LzmaDecode(
RC_GET_BIT2(probLit, symbol, if (bit != 0) break, if (bit == 0) break)
}
while (symbol < 0x100);
- // prob -= 0x100;
}
while (symbol < 0x100)
{
@@ -354,6 +327,9 @@ int LzmaDecode(
outStream[nowPos++] = previousByte;
#ifdef _LZMA_OUT_READ
+ if (distanceLimit < dictionarySize)
+ distanceLimit++;
+
dictionary[dictionaryPos] = previousByte;
if (++dictionaryPos == dictionarySize)
dictionaryPos = 0;
@@ -364,7 +340,6 @@ int LzmaDecode(
}
else
{
- // int isItRep;
UpdateBit1(prob);
prob = p + IsRep + state;
IfBit0(prob)
@@ -390,12 +365,14 @@ int LzmaDecode(
UInt32 pos;
#endif
UpdateBit0(prob);
- if (nowPos
- #ifdef _LZMA_OUT_READ
- + globalPos
- #endif
- == 0)
+
+ #ifdef _LZMA_OUT_READ
+ if (distanceLimit == 0)
+ #else
+ if (nowPos == 0)
+ #endif
return LZMA_RESULT_DATA_ERROR;
+
state = state < kNumLitStates ? 9 : 11;
#ifdef _LZMA_OUT_READ
pos = dictionaryPos - rep0;
@@ -409,6 +386,11 @@ int LzmaDecode(
previousByte = outStream[nowPos - rep0];
#endif
outStream[nowPos++] = previousByte;
+ #ifdef _LZMA_OUT_READ
+ if (distanceLimit < dictionarySize)
+ distanceLimit++;
+ #endif
+
continue;
}
else
@@ -535,18 +517,26 @@ int LzmaDecode(
if (++rep0 == (UInt32)(0))
{
/* it's for stream version */
- len = -1;
+ len = kLzmaStreamWasFinishedId;
break;
}
}
len += kMatchMinLen;
- if (rep0 > nowPos
- #ifdef _LZMA_OUT_READ
- + globalPos || rep0 > dictionarySize
- #endif
- )
+ #ifdef _LZMA_OUT_READ
+ if (rep0 > distanceLimit)
+ #else
+ if (rep0 > nowPos)
+ #endif
return LZMA_RESULT_DATA_ERROR;
+
+ #ifdef _LZMA_OUT_READ
+ if (dictionarySize - distanceLimit > (UInt32)len)
+ distanceLimit += len;
+ else
+ distanceLimit = dictionarySize;
+ #endif
+
do
{
#ifdef _LZMA_OUT_READ
@@ -569,12 +559,11 @@ int LzmaDecode(
RC_NORMALIZE;
#ifdef _LZMA_OUT_READ
- vs->Buffer = Buffer;
- vs->BufferLim = BufferLim;
vs->Range = Range;
vs->Code = Code;
vs->DictionaryPos = dictionaryPos;
- vs->GlobalPos = globalPos + nowPos;
+ vs->GlobalPos = globalPos + (UInt32)nowPos;
+ vs->DistanceLimit = distanceLimit;
vs->Reps[0] = rep0;
vs->Reps[1] = rep1;
vs->Reps[2] = rep2;
@@ -584,6 +573,12 @@ int LzmaDecode(
vs->TempDictionary[0] = tempDictionary[0];
#endif
+ #ifdef _LZMA_IN_CB
+ vs->Buffer = Buffer;
+ vs->BufferLim = BufferLim;
+ #else
+ *inSizeProcessed = (SizeT)(Buffer - inStream);
+ #endif
*outSizeProcessed = nowPos;
return LZMA_RESULT_OK;
}
diff --git a/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.h b/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.h
index 5367735..2870eeb 100644
--- a/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.h
+++ b/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.h
@@ -2,7 +2,7 @@
LzmaDecode.h
LZMA Decoder interface
- LZMA SDK 4.16 Copyright (c) 1999-2005 Igor Pavlov (2005-03-18)
+ 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
diff --git a/target/linux/adm5120/image/lzma-loader/src/LzmaTypes.h b/target/linux/adm5120/image/lzma-loader/src/LzmaTypes.h
new file mode 100644
index 0000000..9c27290
--- /dev/null
+++ b/target/linux/adm5120/image/lzma-loader/src/LzmaTypes.h
@@ -0,0 +1,45 @@
+/*
+LzmaTypes.h
+
+Types for LZMA Decoder
+
+This file written and distributed to public domain by Igor Pavlov.
+This file is part of LZMA SDK 4.40 (2006-05-01)
+*/
+
+#ifndef __LZMATYPES_H
+#define __LZMATYPES_H
+
+#ifndef _7ZIP_BYTE_DEFINED
+#define _7ZIP_BYTE_DEFINED
+typedef unsigned char Byte;
+#endif
+
+#ifndef _7ZIP_UINT16_DEFINED
+#define _7ZIP_UINT16_DEFINED
+typedef unsigned short UInt16;
+#endif
+
+#ifndef _7ZIP_UINT32_DEFINED
+#define _7ZIP_UINT32_DEFINED
+#ifdef _LZMA_UINT32_IS_ULONG
+typedef unsigned long UInt32;
+#else
+typedef unsigned int UInt32;
+#endif
+#endif
+
+/* #define _LZMA_NO_SYSTEM_SIZE_T */
+/* You can use it, if you don't want <stddef.h> */
+
+#ifndef _7ZIP_SIZET_DEFINED
+#define _7ZIP_SIZET_DEFINED
+#ifdef _LZMA_NO_SYSTEM_SIZE_T
+typedef UInt32 SizeT;
+#else
+#include <stddef.h>
+typedef size_t SizeT;
+#endif
+#endif
+
+#endif
diff --git a/target/linux/adm5120/image/lzma-loader/src/Makefile b/target/linux/adm5120/image/lzma-loader/src/Makefile
index a553b7f..aad845a 100644
--- a/target/linux/adm5120/image/lzma-loader/src/Makefile
+++ b/target/linux/adm5120/image/lzma-loader/src/Makefile
@@ -40,7 +40,7 @@ CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
-ffunction-sections -pipe -mlong-calls -fno-common \
-ffreestanding \
-mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap
-CFLAGS += -DLOADADDR=$(LOADADDR)
+CFLAGS += -DLOADADDR=$(LOADADDR) -D_LZMA_PROB32
ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DLZMA_STARTUP_ORG=$(LZMA_STARTUP_ORG)
diff --git a/target/linux/adm5120/image/lzma-loader/src/decompress.c b/target/linux/adm5120/image/lzma-loader/src/decompress.c
index 9e2a04c..4a20a6b 100644
--- a/target/linux/adm5120/image/lzma-loader/src/decompress.c
+++ b/target/linux/adm5120/image/lzma-loader/src/decompress.c
@@ -118,12 +118,13 @@ struct env_var {
extern unsigned char workspace[];
extern void board_init(void);
+static CLzmaDecoderState lzma_state;
+
typedef void (*kernel_entry)(unsigned long reg_a0, unsigned long reg_a1,
unsigned long reg_a2, unsigned long reg_a3);
-static int decompress_data(unsigned char *buffer, UInt32 bufferSize,
- int lc, int lp, int pb, unsigned char *outStream, UInt32 outSize,
- UInt32 *outSizeProcessed);
+static int decompress_data(CLzmaDecoderState *vs, unsigned char *outStream,
+ UInt32 outSize);
#ifdef CONFIG_PASS_KARGS
#define ENVV(n,v) {.name = (n), .value = (v)}
@@ -139,7 +140,7 @@ static void halt(void)
for(;;);
}
-#if LZMA_WRAPPER
+#if (LZMA_WRAPPER)
extern unsigned char _lzma_data_start[];
extern unsigned char _lzma_data_end[];
@@ -158,12 +159,12 @@ static void decompress_init(void)
datalen = _lzma_data_end - _lzma_data_start;
}
-static int decompress_data(unsigned char *buffer, UInt32 bufferSize,
- int lc, int lp, int pb, unsigned char *outStream, UInt32 outSize,
- UInt32 *outSizeProcessed)
+static int decompress_data(CLzmaDecoderState *vs, unsigned char *outStream,
+ SizeT outSize)
{
- return LzmaDecode(buffer, bufferSize, lc, lp, pb, data, datalen,
- outStream, outSize, outSizeProcessed);
+ SizeT ip, op;
+
+ return LzmaDecode(vs, data, datalen, &ip, outStream, outSize, &op);
}
#endif /* LZMA_WRAPPER */
@@ -181,7 +182,8 @@ static __inline__ unsigned char get_byte(void)
return *(flash_base+flash_ofs++);
}
-static int lzma_read_byte(void *object, unsigned char **buffer, UInt32 *bufferSize)
+static int lzma_read_byte(void *object, const unsigned char **buffer,
+ SizeT *bufferSize)
{
unsigned long len;
@@ -263,12 +265,17 @@ static void decompress_init(void)
flash_max = flash_ofs+klen;
}
-static int decompress_data(unsigned char *buffer, UInt32 bufferSize,
- int lc, int lp, int pb, unsigned char *outStream, UInt32 outSize,
- UInt32 *outSizeProcessed)
+static int decompress_data(CLzmaDecoderState *vs, unsigned char *outStream,
+ SizeT outSize)
{
- return LzmaDecode(buffer, bufferSize, lc, lp, pb, &lzma_callback,
- outStream, outSize, outSizeProcessed);
+ SizeT op;
+
+#if 0
+ vs->Buffer = data;
+ vs->BufferLim = datalen;
+#endif
+
+ return LzmaDecode(vs, &lzma_callback, outStream, outSize, &op);
}
#endif /* !(LZMA_WRAPPER) */
@@ -278,11 +285,9 @@ void decompress_entry(unsigned long reg_a0, unsigned long reg_a1,
unsigned long icache_size, unsigned long icache_lsize,
unsigned long dcache_size, unsigned long dcache_lsize)
{
+ unsigned char props[LZMA_PROPERTIES_SIZE];
unsigned int i; /* temp value */
- unsigned int lc; /* literal context bits */
- unsigned int lp; /* literal pos state bits */
- unsigned int pb; /* pos state bits */
- unsigned int osize; /* uncompressed size */
+ SizeT osize; /* uncompressed size */
int res;
board_init();
@@ -293,29 +298,31 @@ void decompress_entry(unsigned long reg_a0, unsigned long reg_a1,
decompress_init();
/* lzma args */
- i = get_byte();
- lc = i % 9, i = i / 9;
- lp = i % 5, pb = i / 5;
+ for (i = 0; i < LZMA_PROPERTIES_SIZE; i++)
+ props[i] = get_byte();
/* skip rest of the LZMA coder property */
- for (i = 0; i < 4; i++)
- get_byte();
-
/* 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);
+ osize = ((SizeT)get_byte()) +
+ ((SizeT)get_byte() << 8) +
+ ((SizeT)get_byte() << 16) +
+ ((SizeT)get_byte() << 24);
/* skip rest of the header (upper half of uncompressed size) */
for (i = 0; i < 4; i++)
get_byte();
+ res = LzmaDecodeProperties(&lzma_state.Properties, props,
+ LZMA_PROPERTIES_SIZE);
+ if (res != LZMA_RESULT_OK) {
+ printf("Incorrect LZMA stream properties!\n");
+ halt();
+ }
+
printf("decompressing kernel... ");
- /* decompress kernel */
- res = decompress_data(workspace, ~0, lc, lp, pb,
- (unsigned char *)LOADADDR, osize, &i);
+ lzma_state.Probs = (CProb *)workspace;
+ res = decompress_data(&lzma_state, (unsigned char *)LOADADDR, osize);
if (res != LZMA_RESULT_OK) {
printf("failed, ");
@@ -323,9 +330,6 @@ void decompress_entry(unsigned long reg_a0, unsigned long reg_a1,
case LZMA_RESULT_DATA_ERROR:
printf("data error!\n");
break;
- case LZMA_RESULT_NOT_ENOUGH_MEM:
- printf("not enough memory!\n");
- break;
default:
printf("unknown error %d!\n", res);
}