diff options
Diffstat (limited to 'target/linux/brcm47xx/image/lzma-loader/src')
8 files changed, 0 insertions, 1278 deletions
diff --git a/target/linux/brcm47xx/image/lzma-loader/src/LzmaDecode.c b/target/linux/brcm47xx/image/lzma-loader/src/LzmaDecode.c deleted file mode 100644 index 951700b..0000000 --- a/target/linux/brcm47xx/image/lzma-loader/src/LzmaDecode.c +++ /dev/null @@ -1,663 +0,0 @@ -/* - LzmaDecode.c - LZMA Decoder - - 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. -*/ - -#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 - -typedef struct _CRangeDecoder -{ - Byte *Buffer; - Byte *BufferLim; - UInt32 Range; - UInt32 Code; - #ifdef _LZMA_IN_CB - ILzmaInCallback *InCallback; - int Result; - #endif - int ExtraBytes; -} CRangeDecoder; - -Byte RangeDecoderReadByte(CRangeDecoder *rd) -{ - if (rd->Buffer == rd->BufferLim) - { - #ifdef _LZMA_IN_CB - UInt32 size; - rd->Result = rd->InCallback->Read(rd->InCallback, &rd->Buffer, &size); - rd->BufferLim = rd->Buffer + size; - if (size == 0) - #endif - { - rd->ExtraBytes = 1; - return 0xFF; - } - } - return (*rd->Buffer++); -} - -/* #define ReadByte (*rd->Buffer++) */ -#define ReadByte (RangeDecoderReadByte(rd)) - -void RangeDecoderInit(CRangeDecoder *rd, - #ifdef _LZMA_IN_CB - ILzmaInCallback *inCallback - #else - Byte *stream, UInt32 bufferSize - #endif - ) -{ - int i; - #ifdef _LZMA_IN_CB - rd->InCallback = inCallback; - rd->Buffer = rd->BufferLim = 0; - #else - rd->Buffer = stream; - rd->BufferLim = stream + bufferSize; - #endif - rd->ExtraBytes = 0; - rd->Code = 0; - rd->Range = (0xFFFFFFFF); - for(i = 0; i < 5; i++) - rd->Code = (rd->Code << 8) | ReadByte; -} - -#define RC_INIT_VAR UInt32 range = rd->Range; UInt32 code = rd->Code; -#define RC_FLUSH_VAR rd->Range = range; rd->Code = code; -#define RC_NORMALIZE if (range < kTopValue) { range <<= 8; code = (code << 8) | ReadByte; } - -UInt32 RangeDecoderDecodeDirectBits(CRangeDecoder *rd, int numTotalBits) -{ - RC_INIT_VAR - UInt32 result = 0; - int i; - for (i = numTotalBits; i > 0; i--) - { - /* UInt32 t; */ - range >>= 1; - - result <<= 1; - if (code >= range) - { - code -= range; - result |= 1; - } - /* - t = (code - range) >> 31; - t &= 1; - code -= range & (t - 1); - result = (result + result) | (1 - t); - */ - RC_NORMALIZE - } - RC_FLUSH_VAR - return result; -} - -int RangeDecoderBitDecode(CProb *prob, CRangeDecoder *rd) -{ - UInt32 bound = (rd->Range >> kNumBitModelTotalBits) * *prob; - if (rd->Code < bound) - { - rd->Range = bound; - *prob += (kBitModelTotal - *prob) >> kNumMoveBits; - if (rd->Range < kTopValue) - { - rd->Code = (rd->Code << 8) | ReadByte; - rd->Range <<= 8; - } - return 0; - } - else - { - rd->Range -= bound; - rd->Code -= bound; - *prob -= (*prob) >> kNumMoveBits; - if (rd->Range < kTopValue) - { - rd->Code = (rd->Code << 8) | ReadByte; - rd->Range <<= 8; - } - return 1; - } -} - -#define RC_GET_BIT2(prob, mi, A0, A1) \ - UInt32 bound = (range >> kNumBitModelTotalBits) * *prob; \ - if (code < bound) \ - { A0; range = bound; *prob += (kBitModelTotal - *prob) >> kNumMoveBits; mi <<= 1; } \ - else \ - { A1; range -= bound; code -= bound; *prob -= (*prob) >> kNumMoveBits; mi = (mi + mi) + 1; } \ - RC_NORMALIZE - -#define RC_GET_BIT(prob, mi) RC_GET_BIT2(prob, mi, ; , ;) - -int RangeDecoderBitTreeDecode(CProb *probs, int numLevels, CRangeDecoder *rd) -{ - int mi = 1; - int i; - #ifdef _LZMA_LOC_OPT - RC_INIT_VAR - #endif - for(i = numLevels; i > 0; i--) - { - #ifdef _LZMA_LOC_OPT - CProb *prob = probs + mi; - RC_GET_BIT(prob, mi) - #else - mi = (mi + mi) + RangeDecoderBitDecode(probs + mi, rd); - #endif - } - #ifdef _LZMA_LOC_OPT - RC_FLUSH_VAR - #endif - return mi - (1 << numLevels); -} - -int RangeDecoderReverseBitTreeDecode(CProb *probs, int numLevels, CRangeDecoder *rd) -{ - int mi = 1; - int i; - int symbol = 0; - #ifdef _LZMA_LOC_OPT - RC_INIT_VAR - #endif - for(i = 0; i < numLevels; i++) - { - #ifdef _LZMA_LOC_OPT - CProb *prob = probs + mi; - RC_GET_BIT2(prob, mi, ; , symbol |= (1 << i)) - #else - int bit = RangeDecoderBitDecode(probs + mi, rd); - mi = mi + mi + bit; - symbol |= (bit << i); - #endif - } - #ifdef _LZMA_LOC_OPT - RC_FLUSH_VAR - #endif - return symbol; -} - -Byte LzmaLiteralDecode(CProb *probs, CRangeDecoder *rd) -{ - int symbol = 1; - #ifdef _LZMA_LOC_OPT - RC_INIT_VAR - #endif - do - { - #ifdef _LZMA_LOC_OPT - CProb *prob = probs + symbol; - RC_GET_BIT(prob, symbol) - #else - symbol = (symbol + symbol) | RangeDecoderBitDecode(probs + symbol, rd); - #endif - } - while (symbol < 0x100); - #ifdef _LZMA_LOC_OPT - RC_FLUSH_VAR - #endif - return symbol; -} - -Byte LzmaLiteralDecodeMatch(CProb *probs, CRangeDecoder *rd, Byte matchByte) -{ - int symbol = 1; - #ifdef _LZMA_LOC_OPT - RC_INIT_VAR - #endif - do - { - int bit; - int matchBit = (matchByte >> 7) & 1; - matchByte <<= 1; - #ifdef _LZMA_LOC_OPT - { - CProb *prob = probs + ((1 + matchBit) << 8) + symbol; - RC_GET_BIT2(prob, symbol, bit = 0, bit = 1) - } - #else - bit = RangeDecoderBitDecode(probs + ((1 + matchBit) << 8) + symbol, rd); - symbol = (symbol << 1) | bit; - #endif - if (matchBit != bit) - { - while (symbol < 0x100) - { - #ifdef _LZMA_LOC_OPT - CProb *prob = probs + symbol; - RC_GET_BIT(prob, symbol) - #else - symbol = (symbol + symbol) | RangeDecoderBitDecode(probs + symbol, rd); - #endif - } - break; - } - } - while (symbol < 0x100); - #ifdef _LZMA_LOC_OPT - RC_FLUSH_VAR - #endif - return symbol; -} - -#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) - -int LzmaLenDecode(CProb *p, CRangeDecoder *rd, int posState) -{ - if(RangeDecoderBitDecode(p + LenChoice, rd) == 0) - return RangeDecoderBitTreeDecode(p + LenLow + - (posState << kLenNumLowBits), kLenNumLowBits, rd); - if(RangeDecoderBitDecode(p + LenChoice2, rd) == 0) - return kLenNumLowSymbols + RangeDecoderBitTreeDecode(p + LenMid + - (posState << kLenNumMidBits), kLenNumMidBits, rd); - return kLenNumLowSymbols + kLenNumMidSymbols + - RangeDecoderBitTreeDecode(p + LenHigh, kLenNumHighBits, rd); -} - -#define kNumStates 12 - -#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 - -#ifdef _LZMA_OUT_READ - -typedef struct _LzmaVarState -{ - CRangeDecoder RangeDecoder; - Byte *Dictionary; - UInt32 DictionarySize; - UInt32 DictionaryPos; - UInt32 GlobalPos; - UInt32 Reps[4]; - int lc; - int lp; - int pb; - int State; - int PreviousIsMatch; - int RemainLen; -} 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 - ) -{ - 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->PreviousIsMatch = 0; - vs->RemainLen = 0; - dictionary[dictionarySize - 1] = 0; - for (i = 0; i < numProbs; i++) - p[i] = kBitModelTotal >> 1; - RangeDecoderInit(&vs->RangeDecoder, - #ifdef _LZMA_IN_CB - inCallback - #else - inStream, inSize - #endif - ); - return LZMA_RESULT_OK; -} - -int LzmaDecode(unsigned char *buffer, - unsigned char *outStream, UInt32 outSize, - UInt32 *outSizeProcessed) -{ - LzmaVarState *vs = (LzmaVarState *)buffer; - CProb *p = (CProb *)(buffer + sizeof(LzmaVarState)); - CRangeDecoder rd = vs->RangeDecoder; - int state = vs->State; - int previousIsMatch = vs->PreviousIsMatch; - 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; - - Byte *dictionary = vs->Dictionary; - UInt32 dictionarySize = vs->DictionarySize; - UInt32 dictionaryPos = vs->DictionaryPos; - - if (len == -1) - { - *outSizeProcessed = 0; - return LZMA_RESULT_OK; - } - - 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 - -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; - CRangeDecoder rd; - UInt32 i; - int state = 0; - int previousIsMatch = 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; - if (bufferSize < numProbs * sizeof(CProb)) - return LZMA_RESULT_NOT_ENOUGH_MEM; - for (i = 0; i < numProbs; i++) - p[i] = kBitModelTotal >> 1; - RangeDecoderInit(&rd, - #ifdef _LZMA_IN_CB - inCallback - #else - inStream, inSize - #endif - ); -#endif - - *outSizeProcessed = 0; - while(nowPos < outSize) - { - int posState = (int)( - (nowPos - #ifdef _LZMA_OUT_READ - + globalPos - #endif - ) - & posStateMask); - #ifdef _LZMA_IN_CB - if (rd.Result != LZMA_RESULT_OK) - return rd.Result; - #endif - if (rd.ExtraBytes != 0) - return LZMA_RESULT_DATA_ERROR; - if (RangeDecoderBitDecode(p + IsMatch + (state << kNumPosBitsMax) + posState, &rd) == 0) - { - CProb *probs = p + Literal + (LZMA_LIT_SIZE * - ((( - (nowPos - #ifdef _LZMA_OUT_READ - + globalPos - #endif - ) - & literalPosMask) << lc) + (previousByte >> (8 - lc)))); - - if (state < 4) state = 0; - else if (state < 10) state -= 3; - else state -= 6; - if (previousIsMatch) - { - Byte matchByte; - #ifdef _LZMA_OUT_READ - UInt32 pos = dictionaryPos - rep0; - if (pos >= dictionarySize) - pos += dictionarySize; - matchByte = dictionary[pos]; - #else - matchByte = outStream[nowPos - rep0]; - #endif - previousByte = LzmaLiteralDecodeMatch(probs, &rd, matchByte); - previousIsMatch = 0; - } - else - previousByte = LzmaLiteralDecode(probs, &rd); - outStream[nowPos++] = previousByte; - #ifdef _LZMA_OUT_READ - dictionary[dictionaryPos] = previousByte; - if (++dictionaryPos == dictionarySize) - dictionaryPos = 0; - #endif - } - else - { - previousIsMatch = 1; - if (RangeDecoderBitDecode(p + IsRep + state, &rd) == 1) - { - if (RangeDecoderBitDecode(p + IsRepG0 + state, &rd) == 0) - { - if (RangeDecoderBitDecode(p + IsRep0Long + (state << kNumPosBitsMax) + posState, &rd) == 0) - { - #ifdef _LZMA_OUT_READ - UInt32 pos; - #endif - if ( - (nowPos - #ifdef _LZMA_OUT_READ - + globalPos - #endif - ) - == 0) - return LZMA_RESULT_DATA_ERROR; - state = state < 7 ? 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; - continue; - } - } - else - { - UInt32 distance; - if(RangeDecoderBitDecode(p + IsRepG1 + state, &rd) == 0) - distance = rep1; - else - { - if(RangeDecoderBitDecode(p + IsRepG2 + state, &rd) == 0) - distance = rep2; - else - { - distance = rep3; - rep3 = rep2; - } - rep2 = rep1; - } - rep1 = rep0; - rep0 = distance; - } - len = LzmaLenDecode(p + RepLenCoder, &rd, posState); - state = state < 7 ? 8 : 11; - } - else - { - int posSlot; - rep3 = rep2; - rep2 = rep1; - rep1 = rep0; - state = state < 7 ? 7 : 10; - len = LzmaLenDecode(p + LenCoder, &rd, posState); - posSlot = RangeDecoderBitTreeDecode(p + PosSlot + - ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << - kNumPosSlotBits), kNumPosSlotBits, &rd); - if (posSlot >= kStartPosModelIndex) - { - int numDirectBits = ((posSlot >> 1) - 1); - rep0 = ((2 | ((UInt32)posSlot & 1)) << numDirectBits); - if (posSlot < kEndPosModelIndex) - { - rep0 += RangeDecoderReverseBitTreeDecode( - p + SpecPos + rep0 - posSlot - 1, numDirectBits, &rd); - } - else - { - rep0 += RangeDecoderDecodeDirectBits(&rd, - numDirectBits - kNumAlignBits) << kNumAlignBits; - rep0 += RangeDecoderReverseBitTreeDecode(p + Align, kNumAlignBits, &rd); - } - } - else - rep0 = posSlot; - rep0++; - } - if (rep0 == (UInt32)(0)) - { - /* it's for stream version */ - len = -1; - break; - } - if (rep0 > nowPos - #ifdef _LZMA_OUT_READ - + globalPos - #endif - ) - { - return LZMA_RESULT_DATA_ERROR; - } - len += kMatchMinLen; - 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 - outStream[nowPos++] = previousByte; - len--; - } - while(len > 0 && nowPos < outSize); - } - } - - #ifdef _LZMA_OUT_READ - vs->RangeDecoder = rd; - vs->DictionaryPos = dictionaryPos; - vs->GlobalPos = globalPos + nowPos; - vs->Reps[0] = rep0; - vs->Reps[1] = rep1; - vs->Reps[2] = rep2; - vs->Reps[3] = rep3; - vs->State = state; - vs->PreviousIsMatch = previousIsMatch; - vs->RemainLen = len; - #endif - - *outSizeProcessed = nowPos; - return LZMA_RESULT_OK; -} diff --git a/target/linux/brcm47xx/image/lzma-loader/src/LzmaDecode.h b/target/linux/brcm47xx/image/lzma-loader/src/LzmaDecode.h deleted file mode 100644 index f58944e..0000000 --- a/target/linux/brcm47xx/image/lzma-loader/src/LzmaDecode.h +++ /dev/null @@ -1,100 +0,0 @@ -/* - 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 diff --git a/target/linux/brcm47xx/image/lzma-loader/src/Makefile b/target/linux/brcm47xx/image/lzma-loader/src/Makefile deleted file mode 100644 index 3320e56..0000000 --- a/target/linux/brcm47xx/image/lzma-loader/src/Makefile +++ /dev/null @@ -1,77 +0,0 @@ -# -# Makefile for Broadcom BCM947XX boards -# -# Copyright 2001-2003, Broadcom Corporation -# All Rights Reserved. -# -# THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY -# KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM -# SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS -# FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. -# -# Copyright 2004 Manuel Novoa III <mjn3@codepoet.org> -# Modified to support bzip'd kernels. -# Of course, it would be better to integrate bunzip capability into CFE. -# -# Copyright 2005 Oleg I. Vdovikin <oleg@cs.msu.su> -# Cleaned up, modified for lzma support, removed from kernel -# - -TEXT_START := 0x80001000 -BZ_TEXT_START := 0x80400000 - -OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S - -CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ - -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \ - -ffunction-sections -pipe -mlong-calls -fno-common \ - -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap -CFLAGS += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB - -ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START) - -SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/TEXT_START/$(TEXT_START)/ - -OBJECTS := head.o data.o - -all: loader.gz loader.elf - -# Don't build dependencies, this may die if $(CC) isn't gcc -dep: - -install: - -loader.gz: loader - gzip -nc9 $< > $@ - -loader.elf: loader.o - cp $< $@ - -loader: loader.o - $(OBJCOPY) $< $@ - -loader.o: loader.lds $(OBJECTS) - $(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS) - -loader.lds: loader.lds.in Makefile - @sed "$(SEDFLAGS)" < $< > $@ - -data.o: data.lds decompress.image - $(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips - -data.lds: - @echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@ - -decompress.image: decompress - $(OBJCOPY) $< $@ - -decompress: decompress.lds decompress.o LzmaDecode.o - $(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o - -decompress.lds: decompress.lds.in Makefile - @sed "$(SEDFLAGS)" < $< > $@ - -mrproper: clean - -clean: - rm -f loader.gz loader decompress *.lds *.o *.image diff --git a/target/linux/brcm47xx/image/lzma-loader/src/README b/target/linux/brcm47xx/image/lzma-loader/src/README deleted file mode 100644 index 16649e9..0000000 --- a/target/linux/brcm47xx/image/lzma-loader/src/README +++ /dev/null @@ -1,55 +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 - * - */ - -The code is intended to decompress kernel, being compressed using lzma utility -build using 7zip LZMA SDK. This utility is located in the LZMA_Alone directory - -decompressor code expects that your .trx file consist of three partitions: - -1) decompressor itself (this is gziped code which pmon/cfe will extract and run -on boot-up instead of real kernel) -2) LZMA compressed kernel (both streamed and regular modes are supported now) -3) Root filesystem - -Please be sure to apply the following patch for use this new trx layout (it will -allow using both new and old trx files for root filesystem lookup code) - ---- linuz/arch/mips/brcm-boards/bcm947xx/setup.c 2005-01-23 19:24:27.503322896 +0300 -+++ linux/arch/mips/brcm-boards/bcm947xx/setup.c 2005-01-23 19:29:05.237100944 +0300 -@@ -221,7 +221,9 @@ - /* Try looking at TRX header for rootfs offset */ - if (le32_to_cpu(trx->magic) == TRX_MAGIC) { - bcm947xx_parts[1].offset = off; -- if (le32_to_cpu(trx->offsets[1]) > off) -+ if (le32_to_cpu(trx->offsets[2]) > off) -+ off = le32_to_cpu(trx->offsets[2]); -+ else if (le32_to_cpu(trx->offsets[1]) > off) - off = le32_to_cpu(trx->offsets[1]); - continue; - } - - -Revision history: - 0.02 Initial release - 0.03 Added Mineharu Takahara <mtakahar@yahoo.com> patch to pass actual - output size to decoder (stream mode compressed input is not - a requirement anymore) - 0.04 Reordered functions using lds script diff --git a/target/linux/brcm47xx/image/lzma-loader/src/decompress.c b/target/linux/brcm47xx/image/lzma-loader/src/decompress.c deleted file mode 100644 index 05681b1..0000000 --- a/target/linux/brcm47xx/image/lzma-loader/src/decompress.c +++ /dev/null @@ -1,186 +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 - * - */ - -#include "LzmaDecode.h" - -#define BCM4710_FLASH 0x1fc00000 /* Flash */ - -#define KSEG0 0x80000000 -#define KSEG1 0xa0000000 - -#define KSEG1ADDR(a) ((((unsigned)(a)) & 0x1fffffffU) | KSEG1) - -#define Index_Invalidate_I 0x00 -#define Index_Writeback_Inv_D 0x01 - -#define cache_unroll(base,op) \ - __asm__ __volatile__( \ - ".set noreorder;\n" \ - ".set mips3;\n" \ - "cache %1, (%0);\n" \ - ".set mips0;\n" \ - ".set reorder\n" \ - : \ - : "r" (base), \ - "i" (op)); - -static __inline__ void blast_icache(unsigned long size, unsigned long lsize) -{ - unsigned long start = KSEG0; - unsigned long end = (start + size); - - while(start < end) { - cache_unroll(start,Index_Invalidate_I); - start += lsize; - } -} - -static __inline__ void blast_dcache(unsigned long size, unsigned long lsize) -{ - unsigned long start = KSEG0; - unsigned long end = (start + size); - - while(start < end) { - cache_unroll(start,Index_Writeback_Inv_D); - start += lsize; - } -} - -#define TRX_MAGIC 0x30524448 /* "HDR0" */ - -struct trx_header { - unsigned int magic; /* "HDR0" */ - unsigned int len; /* Length of file including header */ - unsigned int crc32; /* 32-bit CRC from flag_version to end of file */ - unsigned int flag_version; /* 0:15 flags, 16:31 version */ - unsigned int offsets[3]; /* Offsets of partitions from start of header */ -}; - -#define EDIMAX_PS_HEADER_MAGIC 0x36315350 /* "PS16" */ -#define EDIMAX_PS_HEADER_LEN 0xc /* 12 bytes long for edimax header */ - -/* beyound the image end, size not known in advance */ -extern unsigned char workspace[]; - -unsigned int offset; -unsigned char *data; - -/* flash access should be aligned, so wrapper is used */ -/* read byte from the flash, all accesses are 32-bit aligned */ -static int read_byte(void *object, unsigned char **buffer, UInt32 *bufferSize) -{ - static unsigned int val; - - if (((unsigned int)offset % 4) == 0) { - val = *(unsigned int *)data; - data += 4; - } - - *bufferSize = 1; - *buffer = ((unsigned char *)&val) + (offset++ & 3); - - return LZMA_RESULT_OK; -} - -static __inline__ unsigned char get_byte(void) -{ - unsigned char *buffer; - UInt32 fake; - - return read_byte(0, &buffer, &fake), *buffer; -} - -/* should be the first function */ -void entry(unsigned long icache_size, unsigned long icache_lsize, - unsigned long dcache_size, unsigned long dcache_lsize, - unsigned long fw_arg0, unsigned long fw_arg1, - unsigned long fw_arg2, unsigned long fw_arg3) -{ - 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 */ - - ILzmaInCallback callback; - callback.Read = read_byte; - - /* look for trx header, 32-bit data access */ - for (data = ((unsigned char *) KSEG1ADDR(BCM4710_FLASH)); - ((struct trx_header *)data)->magic != TRX_MAGIC && - ((struct trx_header *)data)->magic != EDIMAX_PS_HEADER_MAGIC; - data += 65536); - - if (((struct trx_header *)data)->magic == EDIMAX_PS_HEADER_MAGIC) - data += EDIMAX_PS_HEADER_LEN; - /* compressed kernel is in the partition 0 or 1 */ - if (((struct trx_header *)data)->offsets[1] > 65536) - data += ((struct trx_header *)data)->offsets[0]; - else - data += ((struct trx_header *)data)->offsets[1]; - - offset = 0; - - /* lzma args */ - i = get_byte(); - lc = i % 9, i = i / 9; - lp = i % 5, pb = i / 5; - - /* 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); - - /* skip rest of the header (upper half of uncompressed size) */ - for (i = 0; i < 4; i++) - get_byte(); - - /* decompress kernel */ - if (LzmaDecode(workspace, ~0, lc, lp, pb, &callback, - (unsigned char*)LOADADDR, osize, &i) == LZMA_RESULT_OK) - { - blast_dcache(dcache_size, dcache_lsize); - blast_icache(icache_size, icache_lsize); - - /* Jump to load address */ - ((void (*)(unsigned long, unsigned long, unsigned long, - unsigned long)) LOADADDR)(fw_arg0, fw_arg1, fw_arg2, - fw_arg3); - } -} diff --git a/target/linux/brcm47xx/image/lzma-loader/src/decompress.lds.in b/target/linux/brcm47xx/image/lzma-loader/src/decompress.lds.in deleted file mode 100644 index 33f56f8..0000000 --- a/target/linux/brcm47xx/image/lzma-loader/src/decompress.lds.in +++ /dev/null @@ -1,20 +0,0 @@ -OUTPUT_ARCH(mips) -ENTRY(entry) -SECTIONS { - . = BZ_TEXT_START; - .text : { - *(.text.entry) - *(.text) - *(.rodata) - } - - .data : { - *(.data) - } - - .bss : { - *(.bss) - } - - workspace = .; -} diff --git a/target/linux/brcm47xx/image/lzma-loader/src/head.S b/target/linux/brcm47xx/image/lzma-loader/src/head.S deleted file mode 100644 index 3a33e40..0000000 --- a/target/linux/brcm47xx/image/lzma-loader/src/head.S +++ /dev/null @@ -1,160 +0,0 @@ -/* Copyright 2005 Oleg I. Vdovikin (oleg@cs.msu.su) */ -/* cache manipulation adapted from Broadcom code */ -/* idea taken from original bunzip2 decompressor code */ -/* Copyright 2004 Manuel Novoa III (mjn3@codepoet.org) */ -/* Licensed under the linux kernel's version of the GPL.*/ - -#include <asm/asm.h> -#include <asm/regdef.h> - -#define KSEG0 0x80000000 - -#define C0_CONFIG $16 -#define C0_TAGLO $28 -#define C0_TAGHI $29 - -#define CONF1_DA_SHIFT 7 /* D$ associativity */ -#define CONF1_DA_MASK 0x00000380 -#define CONF1_DA_BASE 1 -#define CONF1_DL_SHIFT 10 /* D$ line size */ -#define CONF1_DL_MASK 0x00001c00 -#define CONF1_DL_BASE 2 -#define CONF1_DS_SHIFT 13 /* D$ sets/way */ -#define CONF1_DS_MASK 0x0000e000 -#define CONF1_DS_BASE 64 -#define CONF1_IA_SHIFT 16 /* I$ associativity */ -#define CONF1_IA_MASK 0x00070000 -#define CONF1_IA_BASE 1 -#define CONF1_IL_SHIFT 19 /* I$ line size */ -#define CONF1_IL_MASK 0x00380000 -#define CONF1_IL_BASE 2 -#define CONF1_IS_SHIFT 22 /* Instruction cache sets/way */ -#define CONF1_IS_MASK 0x01c00000 -#define CONF1_IS_BASE 64 - -#define Index_Invalidate_I 0x00 -#define Index_Writeback_Inv_D 0x01 - - .text - LEAF(startup) - .set noreorder - addi sp, -48 - sw a0, 16(sp) - sw a1, 20(sp) - sw a2, 24(sp) - sw a3, 28(sp) - - /* Copy decompressor code to the right place */ - li t2, BZ_TEXT_START - add a0, t2, 0 - la a1, code_start - la a2, code_stop -$L1: - lw t0, 0(a1) - sw t0, 0(a0) - add a1, 4 - add a0, 4 - blt a1, a2, $L1 - nop - - /* At this point we need to invalidate dcache and */ - /* icache before jumping to new code */ - -1: /* Get cache sizes */ - .set mips32 - mfc0 s0,C0_CONFIG,1 - .set mips0 - - li s1,CONF1_DL_MASK - and s1,s0 - beq s1,zero,nodc - nop - - srl s1,CONF1_DL_SHIFT - li t0,CONF1_DL_BASE - sll s1,t0,s1 /* s1 has D$ cache line size */ - - li s2,CONF1_DA_MASK - and s2,s0 - srl s2,CONF1_DA_SHIFT - addiu s2,CONF1_DA_BASE /* s2 now has D$ associativity */ - - li t0,CONF1_DS_MASK - and t0,s0 - srl t0,CONF1_DS_SHIFT - li s3,CONF1_DS_BASE - sll s3,s3,t0 /* s3 has D$ sets per way */ - - multu s2,s3 /* sets/way * associativity */ - mflo t0 /* total cache lines */ - - multu s1,t0 /* D$ linesize * lines */ - mflo s2 /* s2 is now D$ size in bytes */ - - /* Initilize the D$: */ - mtc0 zero,C0_TAGLO - mtc0 zero,C0_TAGHI - - li t0,KSEG0 /* Just an address for the first $ line */ - addu t1,t0,s2 /* + size of cache == end */ - - .set mips3 -1: cache Index_Writeback_Inv_D,0(t0) - .set mips0 - bne t0,t1,1b - addu t0,s1 - -nodc: - /* Now we get to do it all again for the I$ */ - - move s3,zero /* just in case there is no icache */ - move s4,zero - - li t0,CONF1_IL_MASK - and t0,s0 - beq t0,zero,noic - nop - - srl t0,CONF1_IL_SHIFT - li s3,CONF1_IL_BASE - sll s3,t0 /* s3 has I$ cache line size */ - - li t0,CONF1_IA_MASK - and t0,s0 - srl t0,CONF1_IA_SHIFT - addiu s4,t0,CONF1_IA_BASE /* s4 now has I$ associativity */ - - li t0,CONF1_IS_MASK - and t0,s0 - srl t0,CONF1_IS_SHIFT - li s5,CONF1_IS_BASE - sll s5,t0 /* s5 has I$ sets per way */ - - multu s4,s5 /* sets/way * associativity */ - mflo t0 /* s4 is now total cache lines */ - - multu s3,t0 /* I$ linesize * lines */ - mflo s4 /* s4 is cache size in bytes */ - - /* Initilize the I$: */ - mtc0 zero,C0_TAGLO - mtc0 zero,C0_TAGHI - - li t0,KSEG0 /* Just an address for the first $ line */ - addu t1,t0,s4 /* + size of cache == end */ - - .set mips3 -1: cache Index_Invalidate_I,0(t0) - .set mips0 - bne t0,t1,1b - addu t0,s3 - -noic: - move a0,s3 /* icache line size */ - move a1,s4 /* icache size */ - move a2,s1 /* dcache line size */ - jal t2 - move a3,s2 /* dcache size */ - - .set reorder - END(startup) diff --git a/target/linux/brcm47xx/image/lzma-loader/src/loader.lds.in b/target/linux/brcm47xx/image/lzma-loader/src/loader.lds.in deleted file mode 100644 index 20f2ea9..0000000 --- a/target/linux/brcm47xx/image/lzma-loader/src/loader.lds.in +++ /dev/null @@ -1,17 +0,0 @@ -OUTPUT_ARCH(mips) -ENTRY(startup) -SECTIONS { - . = TEXT_START; - .text : { - *(.text) - *(.rodata) - } - - .data : { - *(.data) - } - - .bss : { - *(.bss) - } -} |