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-rw-r--r--target/linux/generic-2.6/patches-2.6.30/960-arm_lzma_loader.patch911
1 files changed, 911 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.30/960-arm_lzma_loader.patch b/target/linux/generic-2.6/patches-2.6.30/960-arm_lzma_loader.patch
new file mode 100644
index 0000000000..7995b5e515
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.30/960-arm_lzma_loader.patch
@@ -0,0 +1,911 @@
+--- /dev/null
++++ b/arch/arm/boot/compressed/LzmaDecode.c
+@@ -0,0 +1,590 @@
++/*
++ LzmaDecode.c
++ LZMA Decoder (optimized for Speed version)
++
++ LZMA SDK 4.22 Copyright (c) 1999-2005 Igor Pavlov (2005-06-10)
++ 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.
++*/
++
++#include "LzmaDecode.h"
++
++#ifndef Byte
++#define Byte unsigned char
++#endif
++
++#define kNumTopBits 24
++#define kTopValue ((UInt32)1 << kNumTopBits)
++
++#define kNumBitModelTotalBits 11
++#define kBitModelTotal (1 << kNumBitModelTotalBits)
++#define kNumMoveBits 5
++
++#define RC_READ_BYTE (*Buffer++)
++
++#define RC_INIT2 Code = 0; Range = 0xFFFFFFFF; \
++ { int i; for(i = 0; i < 5; i++) { RC_TEST; Code = (Code << 8) | RC_READ_BYTE; }}
++
++#ifdef _LZMA_IN_CB
++
++#define RC_TEST { if (Buffer == BufferLim) \
++ { 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
++
++#else
++
++#define RC_TEST { if (Buffer == BufferLim) return LZMA_RESULT_DATA_ERROR; }
++
++#define RC_INIT(buffer, bufferSize) Buffer = buffer; BufferLim = buffer + bufferSize; RC_INIT2
++
++#endif
++
++#define RC_NORMALIZE if (Range < kTopValue) { RC_TEST; Range <<= 8; Code = (Code << 8) | RC_READ_BYTE; }
++
++#define IfBit0(p) RC_NORMALIZE; bound = (Range >> kNumBitModelTotalBits) * *(p); if (Code < bound)
++#define UpdateBit0(p) Range = bound; *(p) += (kBitModelTotal - *(p)) >> kNumMoveBits;
++#define UpdateBit1(p) Range -= bound; Code -= bound; *(p) -= (*(p)) >> kNumMoveBits;
++
++#define RC_GET_BIT2(p, mi, A0, A1) IfBit0(p) \
++ { UpdateBit0(p); mi <<= 1; A0; } else \
++ { UpdateBit1(p); mi = (mi + mi) + 1; A1; }
++
++#define RC_GET_BIT(p, mi) RC_GET_BIT2(p, mi, ; , ;)
++
++#define RangeDecoderBitTreeDecode(probs, numLevels, res) \
++ { int i = numLevels; res = 1; \
++ do { CProb *p = probs + res; RC_GET_BIT(p, res) } while(--i != 0); \
++ res -= (1 << numLevels); }
++
++
++#define kNumPosBitsMax 4
++#define kNumPosStatesMax (1 << kNumPosBitsMax)
++
++#define kLenNumLowBits 3
++#define kLenNumLowSymbols (1 << kLenNumLowBits)
++#define kLenNumMidBits 3
++#define kLenNumMidSymbols (1 << kLenNumMidBits)
++#define kLenNumHighBits 8
++#define kLenNumHighSymbols (1 << kLenNumHighBits)
++
++#define LenChoice 0
++#define LenChoice2 (LenChoice + 1)
++#define LenLow (LenChoice2 + 1)
++#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits))
++#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits))
++#define kNumLenProbs (LenHigh + kLenNumHighSymbols)
++
++
++#define kNumStates 12
++#define kNumLitStates 7
++
++#define kStartPosModelIndex 4
++#define kEndPosModelIndex 14
++#define kNumFullDistances (1 << (kEndPosModelIndex >> 1))
++
++#define kNumPosSlotBits 6
++#define kNumLenToPosStates 4
++
++#define kNumAlignBits 4
++#define kAlignTableSize (1 << kNumAlignBits)
++
++#define kMatchMinLen 2
++
++#define IsMatch 0
++#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax))
++#define IsRepG0 (IsRep + kNumStates)
++#define IsRepG1 (IsRepG0 + kNumStates)
++#define IsRepG2 (IsRepG1 + kNumStates)
++#define IsRep0Long (IsRepG2 + kNumStates)
++#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax))
++#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits))
++#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex)
++#define LenCoder (Align + kAlignTableSize)
++#define RepLenCoder (LenCoder + kNumLenProbs)
++#define Literal (RepLenCoder + kNumLenProbs)
++
++#if Literal != LZMA_BASE_SIZE
++StopCompilingDueBUG
++#endif
++
++#if 0
++int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size)
++{
++ 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_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;
++}
++#endif
++
++#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)
++{
++ 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
++ const Byte *Buffer = vs->Buffer;
++ const Byte *BufferLim = vs->BufferLim;
++ #else
++ const Byte *Buffer = inStream;
++ const Byte *BufferLim = inStream + inSize;
++ #endif
++ int state = vs->State;
++ UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3];
++ int len = vs->RemainLen;
++ UInt32 globalPos = vs->GlobalPos;
++ UInt32 distanceLimit = vs->DistanceLimit;
++
++ Byte *dictionary = vs->Dictionary;
++ 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;
++ dictionarySize = 1;
++ tempDictionary[0] = vs->TempDictionary[0];
++ }
++
++ if (len == kLzmaNeedInitId)
++ {
++ {
++ 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;
++ if (pos >= dictionarySize)
++ pos += dictionarySize;
++ outStream[nowPos++] = dictionary[dictionaryPos] = dictionary[pos];
++ if (++dictionaryPos == dictionarySize)
++ dictionaryPos = 0;
++ len--;
++ }
++ if (dictionaryPos == 0)
++ previousByte = dictionary[dictionarySize - 1];
++ else
++ previousByte = dictionary[dictionaryPos - 1];
++
++ #else /* if !_LZMA_OUT_READ */
++
++ int state = 0;
++ UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1;
++ int len = 0;
++ const Byte *Buffer;
++ const Byte *BufferLim;
++ UInt32 Range;
++ UInt32 Code;
++
++ #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 /* _LZMA_OUT_READ */
++
++ while(nowPos < outSize)
++ {
++ CProb *prob;
++ UInt32 bound;
++ int posState = (int)(
++ (nowPos
++ #ifdef _LZMA_OUT_READ
++ + globalPos
++ #endif
++ )
++ & posStateMask);
++
++ prob = p + IsMatch + (state << kNumPosBitsMax) + posState;
++ IfBit0(prob)
++ {
++ int symbol = 1;
++ UpdateBit0(prob)
++ prob = p + Literal + (LZMA_LIT_SIZE *
++ (((
++ (nowPos
++ #ifdef _LZMA_OUT_READ
++ + globalPos
++ #endif
++ )
++ & literalPosMask) << lc) + (previousByte >> (8 - lc))));
++
++ if (state >= kNumLitStates)
++ {
++ int matchByte;
++ #ifdef _LZMA_OUT_READ
++ UInt32 pos = dictionaryPos - rep0;
++ if (pos >= dictionarySize)
++ pos += dictionarySize;
++ matchByte = dictionary[pos];
++ #else
++ matchByte = outStream[nowPos - rep0];
++ #endif
++ do
++ {
++ int bit;
++ CProb *probLit;
++ matchByte <<= 1;
++ bit = (matchByte & 0x100);
++ probLit = prob + 0x100 + bit + symbol;
++ RC_GET_BIT2(probLit, symbol, if (bit != 0) break, if (bit == 0) break)
++ }
++ while (symbol < 0x100);
++ }
++ while (symbol < 0x100)
++ {
++ CProb *probLit = prob + symbol;
++ RC_GET_BIT(probLit, symbol)
++ }
++ previousByte = (Byte)symbol;
++
++ outStream[nowPos++] = previousByte;
++ #ifdef _LZMA_OUT_READ
++ if (distanceLimit < dictionarySize)
++ distanceLimit++;
++
++ dictionary[dictionaryPos] = previousByte;
++ if (++dictionaryPos == dictionarySize)
++ dictionaryPos = 0;
++ #endif
++ if (state < 4) state = 0;
++ else if (state < 10) state -= 3;
++ else state -= 6;
++ }
++ else
++ {
++ UpdateBit1(prob);
++ prob = p + IsRep + state;
++ IfBit0(prob)
++ {
++ UpdateBit0(prob);
++ rep3 = rep2;
++ rep2 = rep1;
++ rep1 = rep0;
++ state = state < kNumLitStates ? 0 : 3;
++ prob = p + LenCoder;
++ }
++ else
++ {
++ UpdateBit1(prob);
++ prob = p + IsRepG0 + state;
++ IfBit0(prob)
++ {
++ UpdateBit0(prob);
++ prob = p + IsRep0Long + (state << kNumPosBitsMax) + posState;
++ IfBit0(prob)
++ {
++ #ifdef _LZMA_OUT_READ
++ UInt32 pos;
++ #endif
++ UpdateBit0(prob);
++
++ #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;
++ if (pos >= dictionarySize)
++ pos += dictionarySize;
++ previousByte = dictionary[pos];
++ dictionary[dictionaryPos] = previousByte;
++ if (++dictionaryPos == dictionarySize)
++ dictionaryPos = 0;
++ #else
++ previousByte = outStream[nowPos - rep0];
++ #endif
++ outStream[nowPos++] = previousByte;
++ #ifdef _LZMA_OUT_READ
++ if (distanceLimit < dictionarySize)
++ distanceLimit++;
++ #endif
++
++ continue;
++ }
++ else
++ {
++ UpdateBit1(prob);
++ }
++ }
++ else
++ {
++ UInt32 distance;
++ UpdateBit1(prob);
++ prob = p + IsRepG1 + state;
++ IfBit0(prob)
++ {
++ UpdateBit0(prob);
++ distance = rep1;
++ }
++ else
++ {
++ UpdateBit1(prob);
++ prob = p + IsRepG2 + state;
++ IfBit0(prob)
++ {
++ UpdateBit0(prob);
++ distance = rep2;
++ }
++ else
++ {
++ UpdateBit1(prob);
++ distance = rep3;
++ rep3 = rep2;
++ }
++ rep2 = rep1;
++ }
++ rep1 = rep0;
++ rep0 = distance;
++ }
++ state = state < kNumLitStates ? 8 : 11;
++ prob = p + RepLenCoder;
++ }
++ {
++ int numBits, offset;
++ CProb *probLen = prob + LenChoice;
++ IfBit0(probLen)
++ {
++ UpdateBit0(probLen);
++ probLen = prob + LenLow + (posState << kLenNumLowBits);
++ offset = 0;
++ numBits = kLenNumLowBits;
++ }
++ else
++ {
++ UpdateBit1(probLen);
++ probLen = prob + LenChoice2;
++ IfBit0(probLen)
++ {
++ UpdateBit0(probLen);
++ probLen = prob + LenMid + (posState << kLenNumMidBits);
++ offset = kLenNumLowSymbols;
++ numBits = kLenNumMidBits;
++ }
++ else
++ {
++ UpdateBit1(probLen);
++ probLen = prob + LenHigh;
++ offset = kLenNumLowSymbols + kLenNumMidSymbols;
++ numBits = kLenNumHighBits;
++ }
++ }
++ RangeDecoderBitTreeDecode(probLen, numBits, len);
++ len += offset;
++ }
++
++ if (state < 4)
++ {
++ int posSlot;
++ state += kNumLitStates;
++ prob = p + PosSlot +
++ ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) <<
++ kNumPosSlotBits);
++ RangeDecoderBitTreeDecode(prob, kNumPosSlotBits, posSlot);
++ if (posSlot >= kStartPosModelIndex)
++ {
++ int numDirectBits = ((posSlot >> 1) - 1);
++ rep0 = (2 | ((UInt32)posSlot & 1));
++ if (posSlot < kEndPosModelIndex)
++ {
++ rep0 <<= numDirectBits;
++ prob = p + SpecPos + rep0 - posSlot - 1;
++ }
++ else
++ {
++ numDirectBits -= kNumAlignBits;
++ do
++ {
++ RC_NORMALIZE
++ Range >>= 1;
++ rep0 <<= 1;
++ if (Code >= Range)
++ {
++ Code -= Range;
++ rep0 |= 1;
++ }
++ }
++ while (--numDirectBits != 0);
++ prob = p + Align;
++ rep0 <<= kNumAlignBits;
++ numDirectBits = kNumAlignBits;
++ }
++ {
++ int i = 1;
++ int mi = 1;
++ do
++ {
++ CProb *prob3 = prob + mi;
++ RC_GET_BIT2(prob3, mi, ; , rep0 |= i);
++ i <<= 1;
++ }
++ while(--numDirectBits != 0);
++ }
++ }
++ else
++ rep0 = posSlot;
++ if (++rep0 == (UInt32)(0))
++ {
++ /* it's for stream version */
++ len = kLzmaStreamWasFinishedId;
++ break;
++ }
++ }
++
++ len += kMatchMinLen;
++ #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
++ UInt32 pos = dictionaryPos - rep0;
++ if (pos >= dictionarySize)
++ pos += dictionarySize;
++ previousByte = dictionary[pos];
++ dictionary[dictionaryPos] = previousByte;
++ if (++dictionaryPos == dictionarySize)
++ dictionaryPos = 0;
++ #else
++ previousByte = outStream[nowPos - rep0];
++ #endif
++ len--;
++ outStream[nowPos++] = previousByte;
++ }
++ while(len != 0 && nowPos < outSize);
++ }
++ }
++ RC_NORMALIZE;
++
++ #ifdef _LZMA_OUT_READ
++ vs->Range = Range;
++ vs->Code = Code;
++ vs->DictionaryPos = dictionaryPos;
++ vs->GlobalPos = globalPos + (UInt32)nowPos;
++ vs->DistanceLimit = distanceLimit;
++ vs->Reps[0] = rep0;
++ vs->Reps[1] = rep1;
++ vs->Reps[2] = rep2;
++ vs->Reps[3] = rep3;
++ vs->State = state;
++ vs->RemainLen = len;
++ 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;
++}
+--- /dev/null
++++ b/arch/arm/boot/compressed/LzmaDecode.h
+@@ -0,0 +1,131 @@
++/*
++ LzmaDecode.h
++ LZMA Decoder interface
++
++ LZMA SDK 4.21 Copyright (c) 1999-2005 Igor Pavlov (2005-06-08)
++ 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 */
++
++/* #define _LZMA_SYSTEM_SIZE_T */
++/* Use system's size_t. You can use it to enable 64-bit sizes supporting*/
++
++#ifndef UInt32
++#ifdef _LZMA_UINT32_IS_ULONG
++#define UInt32 unsigned long
++#else
++#define UInt32 unsigned int
++#endif
++#endif
++
++#ifndef SizeT
++#ifdef _LZMA_SYSTEM_SIZE_T
++#include <stddef.h>
++#define SizeT size_t
++#else
++#define SizeT UInt32
++#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
++
++#ifdef _LZMA_IN_CB
++typedef struct _ILzmaInCallback
++{
++ int (*Read)(void *object, const unsigned char **buffer, SizeT *bufferSize);
++} ILzmaInCallback;
++#endif
++
++#define LZMA_BASE_SIZE 1846
++#define LZMA_LIT_SIZE 768
++
++#define LZMA_PROPERTIES_SIZE 5
++
++typedef struct _CLzmaProperties
++{
++ int lc;
++ int lp;
++ int pb;
++ #ifdef _LZMA_OUT_READ
++ UInt32 DictionarySize;
++ #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;
++
++ #ifdef _LZMA_IN_CB
++ 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
++} 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
+--- a/arch/arm/boot/compressed/Makefile
++++ b/arch/arm/boot/compressed/Makefile
+@@ -5,7 +5,7 @@
+ #
+
+ HEAD = head.o
+-OBJS = misc.o
++OBJS = misc.o ../../lib/lib1funcs.o
+ FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
+
+ #
+@@ -63,7 +63,7 @@ endif
+
+ SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
+
+-targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \
++targets := vmlinux vmlinux.lds piggy.lzma piggy.o font.o font.c \
+ head.o misc.o $(OBJS)
+
+ ifeq ($(CONFIG_FUNCTION_TRACER),y)
+@@ -96,10 +96,10 @@ $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj
+ $(call if_changed,ld)
+ @:
+
+-$(obj)/piggy.gz: $(obj)/../Image FORCE
+- $(call if_changed,gzip)
++$(obj)/piggy.lzma: $(obj)/../Image FORCE
++ $(call if_changed,lzma)
+
+-$(obj)/piggy.o: $(obj)/piggy.gz FORCE
++$(obj)/piggy.o: $(obj)/piggy.lzma FORCE
+
+ CFLAGS_font.o := -Dstatic=
+
+--- a/arch/arm/boot/compressed/misc.c
++++ b/arch/arm/boot/compressed/misc.c
+@@ -202,8 +202,8 @@ typedef unsigned long ulg;
+ static uch *inbuf; /* input buffer */
+ static uch window[WSIZE]; /* Sliding window buffer */
+
+-static unsigned insize; /* valid bytes in inbuf */
+-static unsigned inptr; /* index of next byte to be processed in inbuf */
++static unsigned insize = 0; /* valid bytes in inbuf */
++static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
+ static unsigned outcnt; /* bytes in output buffer */
+
+ /* gzip flag byte */
+@@ -242,7 +242,7 @@ extern char input_data[];
+ extern char input_data_end[];
+
+ static uch *output_data;
+-static ulg output_ptr;
++static ulg output_ptr = 0;
+ static ulg bytes_out;
+
+ static void error(char *m);
+@@ -259,7 +259,7 @@ static ulg free_mem_end_ptr;
+
+ #define ARCH_HAS_DECOMP_WDOG
+
+-#include "../../../../lib/inflate.c"
++/* #include "../../../../lib/inflate.c" */
+
+ /* ===========================================================================
+ * Fill the input buffer. This is called only when the buffer is empty
+@@ -277,6 +277,76 @@ int fill_inbuf(void)
+ return inbuf[0];
+ }
+
++#define _LZMA_IN_CB
++#include "LzmaDecode.h"
++#include "LzmaDecode.c"
++
++void __div0(void)
++{
++}
++
++static int read_byte(void *object, const unsigned char **buffer, SizeT *bufferSize);
++
++/*
++ * Do the lzma decompression
++ */
++static int unlzma(void)
++{
++
++ unsigned int i;
++ CLzmaDecoderState state;
++ unsigned int uncompressedSize = 0;
++
++ ILzmaInCallback callback;
++ callback.Read = read_byte;
++
++ /* lzma args */
++ i = get_byte();
++ state.Properties.lc = i % 9, i = i / 9;
++ state.Properties.lp = i % 5, state.Properties.pb = i / 5;
++
++ /* skip dictionary size */
++ for (i = 0; i < 4; i++)
++ get_byte();
++ /* get uncompressed size */
++ uncompressedSize = (get_byte()) +
++ (get_byte() << 8) +
++ (get_byte() << 16) +
++ (get_byte() << 24);
++
++ /* skip high order bytes */
++ for (i = 0; i < 4; i++)
++ get_byte();
++ /* point it beyond uncompresedSize */
++ state.Probs = (CProb *) (output_data + uncompressedSize);
++
++ /* decompress kernel */
++ if (LzmaDecode(&state, &callback,
++ (unsigned char *)output_data, uncompressedSize, &i) == LZMA_RESULT_OK) {
++ if (i != uncompressedSize)
++ error("kernel corrupted!\n");
++ /* copy it back to low_buffer */
++ bytes_out = i;
++ output_ptr = i;
++ return 0;
++ }
++ return 1;
++}
++
++static unsigned int icnt = 0;
++
++static int read_byte(void *object, const unsigned char **buffer, SizeT *bufferSize)
++{
++ static unsigned char val;
++ *bufferSize = 1;
++ val = get_byte();
++ *buffer = &val;
++ if (icnt++ % (1024 * 10) == 0)
++ putstr(".");
++ return LZMA_RESULT_OK;
++}
++
++#if 0
+ /* ===========================================================================
+ * Write the output window window[0..outcnt-1] and update crc and bytes_out.
+ * (Used for the decompressed data only.)
+@@ -299,6 +369,7 @@ void flush_window(void)
+ outcnt = 0;
+ putstr(".");
+ }
++#endif
+
+ #ifndef arch_error
+ #define arch_error(x)
+@@ -328,9 +399,9 @@ decompress_kernel(ulg output_start, ulg
+
+ arch_decomp_setup();
+
+- makecrc();
++ /* makecrc(); */
+ putstr("Uncompressing Linux...");
+- gunzip();
++ unlzma();
+ putstr(" done, booting the kernel.\n");
+ return output_ptr;
+ }
+@@ -342,9 +413,9 @@ int main()
+ {
+ output_data = output_buffer;
+
+- makecrc();
++ /* makecrc(); */
+ putstr("Uncompressing Linux...");
+- gunzip();
++ unlzma();
+ putstr("done.\n");
+ return 0;
+ }
+--- a/arch/arm/boot/compressed/piggy.S
++++ b/arch/arm/boot/compressed/piggy.S
+@@ -1,6 +1,6 @@
+ .section .piggydata,#alloc
+ .globl input_data
+ input_data:
+- .incbin "arch/arm/boot/compressed/piggy.gz"
++ .incbin "arch/arm/boot/compressed/piggy.lzma"
+ .globl input_data_end
+ input_data_end:
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 05:34:40 +0000