diff options
Diffstat (limited to 'target/linux/adm8668/image/lzma-loader/src')
12 files changed, 1325 insertions, 0 deletions
diff --git a/target/linux/adm8668/image/lzma-loader/src/LzmaDecode.c b/target/linux/adm8668/image/lzma-loader/src/LzmaDecode.c new file mode 100644 index 0000000000..8c863efe5c --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/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; +} diff --git a/target/linux/adm8668/image/lzma-loader/src/LzmaDecode.h b/target/linux/adm8668/image/lzma-loader/src/LzmaDecode.h new file mode 100644 index 0000000000..abc02d7edf --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/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 diff --git a/target/linux/adm8668/image/lzma-loader/src/Makefile b/target/linux/adm8668/image/lzma-loader/src/Makefile new file mode 100644 index 0000000000..c1be46ffdd --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/Makefile @@ -0,0 +1,47 @@ +# +# Copyright (C) 2010 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# +RAMSTART = 0x80000000 +RAMSIZE = 0x00800000 # 1MB +LOADADDR = 0x80400000 # RAM start + 4M +KERNEL_ENTRY = 0x80002000 + +CROSS_COMPILE = mipsel-openwrt-linux- + +OBJCOPY:= $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S +CFLAGS := -I./include -fno-builtin -Os -G 0 -ffunction-sections -mno-abicalls -fno-pic -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap -Wall -DRAMSTART=${RAMSTART} -DRAMSIZE=${RAMSIZE} -DKERNEL_ENTRY=${KERNEL_ENTRY} + +.c.o: + $(CC) $(CFLAGS) -c $< -o $*.o + +CC = $(CROSS_COMPILE)gcc +LD = $(CROSS_COMPILE)ld +OBJDUMP = $(CROSS_COMPILE)objdump + +O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32) + +# Drop some uninteresting sections in the kernel. +# This is only relevant for ELF kernels but doesn't hurt a.out +drop-sections = .reginfo .mdebug .comment +strip-flags = $(addprefix --remove-section=,$(drop-sections)) + +all : lzma.elf lzma.bin + +lzma.lds: lzma.lds.in + sed -e 's,@LOADADDR@,$(LOADADDR),g' $< >$@ + +kernel.o: vmlinux.lzma lzma.lds + $(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $< + +lzma.bin: lzma.elf + $(OBJCOPY) $< $@ + +lzma.elf: decompress.o stubs.o LzmaDecode.o kernel.o lzma.lds + $(LD) -T lzma.lds -o $@ $^ +#-s ^ + +clean: + rm -f *.o lzma.elf lzma.bin *.tmp *.lds diff --git a/target/linux/adm8668/image/lzma-loader/src/decompress.c b/target/linux/adm8668/image/lzma-loader/src/decompress.c new file mode 100644 index 0000000000..f328058a16 --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/decompress.c @@ -0,0 +1,118 @@ +/* + * 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 + * + * ??-Nov-2005 Mike Baker + * reorder the script as an lzma wrapper; do not depend on flash access + */ + +#include "LzmaDecode.h" +#include <exports.h> + +#define KSEG0ADDR(addr) (0x80000000|addr) + +register volatile gd_t *gd asm ("k0"); +unsigned char *data; + +static __inline__ unsigned char get_byte() +{ + unsigned char *buffer; + + buffer = data; + data++; + + return *buffer; +} + +/* This puts lzma workspace 128k below RAM end. + * That should be enough for both lzma and stack + */ +static char *buffer = (char *)(RAMSTART + RAMSIZE - 0x00020000); +extern char _binary_vmlinux_lzma_start[]; +extern char _binary_vmlinux_lzma_end[]; +extern char lzma_start[]; +extern char lzma_end[]; + +/* should be the first function */ +void entry(unsigned int arg0, unsigned int arg1, + unsigned int arg2, unsigned int arg3) +{ + unsigned int i; /* temp value */ + unsigned int isize; /* compressed size */ + unsigned int osize; /* uncompressed size */ + int argc = arg0; + char **argv = (char **)arg1; + char **envp = (char **)arg2; + + CLzmaDecoderState vs; + + data = (unsigned char *)_binary_vmlinux_lzma_start; + isize = _binary_vmlinux_lzma_end - _binary_vmlinux_lzma_start + 1; + + puts("\nLZMA kernel loader\n"); + + printf("lzma data @ %#x - %#x\n", _binary_vmlinux_lzma_start, _binary_vmlinux_lzma_end); + printf("load addr @ %#x\n\n", KERNEL_ENTRY); + printf("jump table @ %#x\n", gd->jt[3]); + + /* lzma args */ + i = get_byte(); + vs.Properties.lc = i % 9, i = i / 9; + vs.Properties.lp = i % 5, vs.Properties.pb = i / 5; + + vs.Probs = (CProb *)buffer; + + /* skip rest of the LZMA coder property */ + data += 4; + + /* 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) */ + data += 4; + + /* decompress kernel */ + puts("\nDecompressing kernel..."); + if ((i = LzmaDecode(&vs, + (unsigned char*)data, isize, &isize, + (unsigned char*)KERNEL_ENTRY, osize, &osize)) == LZMA_RESULT_OK) + { + puts("success!\n"); + + /* Jump to load address */ +// ((void (*)(int a0, int a1, int a2, int a3))KERNEL_ENTRY)(0,0,0,0); + ((void (*)(int a0, int a1, int a2, int a3))KERNEL_ENTRY)(arg0, arg1, arg2, arg3); + } + puts("failure!\n"); +} diff --git a/target/linux/adm8668/image/lzma-loader/src/include/_exports.h b/target/linux/adm8668/image/lzma-loader/src/include/_exports.h new file mode 100644 index 0000000000..61dcaaf331 --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/include/_exports.h @@ -0,0 +1,18 @@ +EXPORT_FUNC(get_version) +EXPORT_FUNC(getc) +EXPORT_FUNC(tstc) +EXPORT_FUNC(putc) +EXPORT_FUNC(puts) +EXPORT_FUNC(printf) +EXPORT_FUNC(install_hdlr) +EXPORT_FUNC(free_hdlr) +EXPORT_FUNC(malloc) +EXPORT_FUNC(free) +EXPORT_FUNC(udelay) +EXPORT_FUNC(get_timer) +EXPORT_FUNC(vprintf) +EXPORT_FUNC(do_reset) +#if (CONFIG_COMMANDS & CFG_CMD_I2C) +EXPORT_FUNC(i2c_write) +EXPORT_FUNC(i2c_read) +#endif /* CFG_CMD_I2C */ diff --git a/target/linux/adm8668/image/lzma-loader/src/include/asm/global_data.h b/target/linux/adm8668/image/lzma-loader/src/include/asm/global_data.h new file mode 100644 index 0000000000..a024194ba3 --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/include/asm/global_data.h @@ -0,0 +1,60 @@ +/* + * (C) Copyright 2002-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#ifndef __ASM_GBL_DATA_H +#define __ASM_GBL_DATA_H + +#include <asm/regdef.h> + +/* + * The following data structure is placed in some memory wich is + * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or + * some locked parts of the data cache) to allow for a minimum set of + * global variables during system initialization (until we have set + * up the memory controller so that we can use RAM). + * + * Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t) + */ + +typedef struct global_data { + bd_t *bd; + unsigned long flags; + unsigned long baudrate; + unsigned long have_console; /* serial_init() was called */ + unsigned long ram_size; /* RAM size */ + unsigned long reloc_off; /* Relocation Offset */ + unsigned long env_addr; /* Address of Environment struct */ + unsigned long env_valid; /* Checksum of Environment valid? */ + void **jt; /* jump table */ +} gd_t; + +/* + * Global Data Flags + */ +#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ +#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ +#define GD_FLG_SILENT 0x00004 /* Silent mode */ + +#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("k0") + +#endif /* __ASM_GBL_DATA_H */ diff --git a/target/linux/adm8668/image/lzma-loader/src/include/asm/u-boot.h b/target/linux/adm8668/image/lzma-loader/src/include/asm/u-boot.h new file mode 100644 index 0000000000..0de0b4da8a --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/include/asm/u-boot.h @@ -0,0 +1,42 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#ifndef _U_BOOT_H_ +#define _U_BOOT_H_ 1 + +typedef struct bd_info { + int bi_baudrate; /* serial console baudrate */ + unsigned long bi_ip_addr; /* IP Address */ + unsigned char bi_enetaddr[6]; /* Ethernet adress */ + unsigned long bi_arch_number; /* unique id for this board */ + unsigned long bi_boot_params; /* where this board expects params */ + unsigned long bi_memstart; /* start of DRAM memory */ + unsigned long bi_memsize; /* size of DRAM memory in bytes */ + unsigned long bi_flashstart; /* start of FLASH memory */ + unsigned long bi_flashsize; /* size of FLASH memory */ + unsigned long bi_flashoffset; /* reserved area for startup monitor */ +} bd_t; +#define bi_env_data bi_env->data +#define bi_env_crc bi_env->crc + +#endif /* _U_BOOT_H_ */ diff --git a/target/linux/adm8668/image/lzma-loader/src/include/common.h b/target/linux/adm8668/image/lzma-loader/src/include/common.h new file mode 100644 index 0000000000..5d957af6a4 --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/include/common.h @@ -0,0 +1,48 @@ +/* + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#ifndef __COMMON_H_ +#define __COMMON_H_ 1 + +#undef _LINUX_CONFIG_H +#define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */ + +typedef unsigned char uchar; +typedef volatile unsigned long vu_long; +typedef volatile unsigned short vu_short; +typedef volatile unsigned char vu_char; + +#include <inttypes.h> +#include <linux/types.h> +#include <linux/string.h> +#include <asm/ptrace.h> +#include <stdarg.h> +#include <image.h> + +typedef void (interrupt_handler_t)(void *); + +#include <asm/u-boot.h> /* boot information for Linux kernel */ +#include <asm/global_data.h> /* global data used for startup functions */ + + +#endif /* __COMMON_H_ */ diff --git a/target/linux/adm8668/image/lzma-loader/src/include/exports.h b/target/linux/adm8668/image/lzma-loader/src/include/exports.h new file mode 100644 index 0000000000..4cdc36e37f --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/include/exports.h @@ -0,0 +1,38 @@ +#ifndef __EXPORTS_H__ +#define __EXPORTS_H__ +#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) +#ifndef __ASSEMBLY__ + +#include <common.h> + +/* These are declarations of exported functions available in C code */ +unsigned long get_version(void); +int getc(void); +int tstc(void); +void putc(const char); +void puts(const char*); +void printf(const char* fmt, ...); +void install_hdlr(int, interrupt_handler_t*, void*); +void free_hdlr(int); +void *malloc(size_t); +void free(void*); +void udelay(unsigned long); +unsigned long get_timer(unsigned long); +void vprintf(const char *, va_list); +void do_reset (void); + +void app_startup(char **); + +#endif /* ifndef __ASSEMBLY__ */ + +enum { +#define EXPORT_FUNC(x) XF_ ## x , +#include <_exports.h> +#undef EXPORT_FUNC + + XF_MAX +}; + +#define XF_VERSION 2 + +#endif /* __EXPORTS_H__ */ diff --git a/target/linux/adm8668/image/lzma-loader/src/include/image.h b/target/linux/adm8668/image/lzma-loader/src/include/image.h new file mode 100644 index 0000000000..69c73b71d8 --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/include/image.h @@ -0,0 +1,157 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#ifndef __IMAGE_H__ +#define __IMAGE_H__ + +/* + * Operating System Codes + */ +#define IH_OS_INVALID 0 /* Invalid OS */ +#define IH_OS_OPENBSD 1 /* OpenBSD */ +#define IH_OS_NETBSD 2 /* NetBSD */ +#define IH_OS_FREEBSD 3 /* FreeBSD */ +#define IH_OS_4_4BSD 4 /* 4.4BSD */ +#define IH_OS_LINUX 5 /* Linux */ +#define IH_OS_SVR4 6 /* SVR4 */ +#define IH_OS_ESIX 7 /* Esix */ +#define IH_OS_SOLARIS 8 /* Solaris */ +#define IH_OS_IRIX 9 /* Irix */ +#define IH_OS_SCO 10 /* SCO */ +#define IH_OS_DELL 11 /* Dell */ +#define IH_OS_NCR 12 /* NCR */ +#define IH_OS_LYNXOS 13 /* LynxOS */ +#define IH_OS_VXWORKS 14 /* VxWorks */ +#define IH_OS_PSOS 15 /* pSOS */ +#define IH_OS_QNX 16 /* QNX */ +#define IH_OS_U_BOOT 17 /* Firmware */ +#define IH_OS_RTEMS 18 /* RTEMS */ +#define IH_OS_ARTOS 19 /* ARTOS */ +#define IH_OS_UNITY 20 /* Unity OS */ + +/* + * CPU Architecture Codes (supported by Linux) + */ +#define IH_CPU_INVALID 0 /* Invalid CPU */ +#define IH_CPU_ALPHA 1 /* Alpha */ +#define IH_CPU_ARM 2 /* ARM */ +#define IH_CPU_I386 3 /* Intel x86 */ +#define IH_CPU_IA64 4 /* IA64 */ +#define IH_CPU_MIPS 5 /* MIPS */ +#define IH_CPU_MIPS64 6 /* MIPS 64 Bit */ +#define IH_CPU_PPC 7 /* PowerPC */ +#define IH_CPU_S390 8 /* IBM S390 */ +#define IH_CPU_SH 9 /* SuperH */ +#define IH_CPU_SPARC 10 /* Sparc */ +#define IH_CPU_SPARC64 11 /* Sparc 64 Bit */ +#define IH_CPU_M68K 12 /* M68K */ +#define IH_CPU_NIOS 13 /* Nios-32 */ +#define IH_CPU_MICROBLAZE 14 /* MicroBlaze */ +#define IH_CPU_NIOS2 15 /* Nios-II */ + +/* + * Image Types + * + * "Standalone Programs" are directly runnable in the environment + * provided by U-Boot; it is expected that (if they behave + * well) you can continue to work in U-Boot after return from + * the Standalone Program. + * "OS Kernel Images" are usually images of some Embedded OS which + * will take over control completely. Usually these programs + * will install their own set of exception handlers, device + * drivers, set up the MMU, etc. - this means, that you cannot + * expect to re-enter U-Boot except by resetting the CPU. + * "RAMDisk Images" are more or less just data blocks, and their + * parameters (address, size) are passed to an OS kernel that is + * being started. + * "Multi-File Images" contain several images, typically an OS + * (Linux) kernel image and one or more data images like + * RAMDisks. This construct is useful for instance when you want + * to boot over the network using BOOTP etc., where the boot + * server provides just a single image file, but you want to get + * for instance an OS kernel and a RAMDisk image. + * + * "Multi-File Images" start with a list of image sizes, each + * image size (in bytes) specified by an "uint32_t" in network + * byte order. This list is terminated by an "(uint32_t)0". + * Immediately after the terminating 0 follow the images, one by + * one, all aligned on "uint32_t" boundaries (size rounded up to + * a multiple of 4 bytes - except for the last file). + * + * "Firmware Images" are binary images containing firmware (like + * U-Boot or FPGA images) which usually will be programmed to + * flash memory. + * + * "Script files" are command sequences that will be executed by + * U-Boot's command interpreter; this feature is especially + * useful when you configure U-Boot to use a real shell (hush) + * as command interpreter (=> Shell Scripts). + */ + +#define IH_TYPE_INVALID 0 /* Invalid Image */ +#define IH_TYPE_STANDALONE 1 /* Standalone Program */ +#define IH_TYPE_KERNEL 2 /* OS Kernel Image */ +#define IH_TYPE_RAMDISK 3 /* RAMDisk Image */ +#define IH_TYPE_MULTI 4 /* Multi-File Image */ +#define IH_TYPE_FIRMWARE 5 /* Firmware Image */ +#define IH_TYPE_SCRIPT 6 /* Script file */ +#define IH_TYPE_FILESYSTEM 7 /* Filesystem Image (any type) */ + +/* + * Compression Types + */ +#define IH_COMP_NONE 0 /* No Compression Used */ +#define IH_COMP_GZIP 1 /* gzip Compression Used */ +#define IH_COMP_BZIP2 2 /* bzip2 Compression Used */ + +#define IH_MAGIC 0x27051956 /* Image Magic Number */ +#define IH_NMLEN 32 /* Image Name Length */ + +#define IH_NAMEMAGIC 0x86680001 /* Name Magic Number */ +#define IH_SIZEMAX 5800000 /* Max image size */ +/* + * all data in network byte order (aka natural aka bigendian) + */ + +typedef struct image_header { + uint32_t ih_magic; /* Image Header Magic Number */ + uint32_t ih_hcrc; /* Image Header CRC Checksum */ + uint32_t ih_time; /* Image Creation Timestamp */ + uint32_t ih_size; /* Image Data Size */ + uint32_t ih_load; /* Data Load Address */ + uint32_t ih_ep; /* Entry Point Address */ + uint32_t ih_dcrc; /* Image Data CRC Checksum */ + uint8_t ih_os; /* Operating System */ + uint8_t ih_arch; /* CPU architecture */ + uint8_t ih_type; /* Image Type */ + uint8_t ih_comp; /* Compression Type */ +#ifdef NEW_IMAGE_HEADER + uint32_t ih_namemagic; /* image name CRC */ + uint8_t ih_name[IH_NMLEN-4]; /* image name */ +#else + uint8_t ih_name[IH_NMLEN]; /* Image Name */ +#endif +} image_header_t; + + +#endif /* __IMAGE_H__ */ diff --git a/target/linux/adm8668/image/lzma-loader/src/lzma.lds.in b/target/linux/adm8668/image/lzma-loader/src/lzma.lds.in new file mode 100644 index 0000000000..d6c60ca0d0 --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/lzma.lds.in @@ -0,0 +1,24 @@ +OUTPUT_ARCH(mips) +ENTRY(entry) +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = @LOADADDR@; + .text : + { + _ftext = . ; + *(.text.entry) + *(.text) + lzma_start = .; + kernel.o + lzma_end = .; + *(.rodata) + } =0 + + .reginfo : { *(.reginfo) } + + .bss : + { + *(.bss) + } +} diff --git a/target/linux/adm8668/image/lzma-loader/src/stubs.c b/target/linux/adm8668/image/lzma-loader/src/stubs.c new file mode 100644 index 0000000000..468e5a1fdf --- /dev/null +++ b/target/linux/adm8668/image/lzma-loader/src/stubs.c @@ -0,0 +1,52 @@ +#include <exports.h> + +#ifndef GCC_VERSION +#define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__) +#endif /* GCC_VERSION */ + +/* + * k0 ($26) holds the pointer to the global_data; t9 ($25) is a call- + * clobbered register that is also used to set gp ($26). Note that the + * jr instruction also executes the instruction immediately following + * it; however, GCC/mips generates an additional `nop' after each asm + * statement + */ +#define EXPORT_FUNC(x) \ + asm volatile ( \ +" .globl " #x "\n" \ +#x ":\n" \ +" lw $25, %0($26)\n" \ +" lw $25, %1($25)\n" \ +" jr $25\n" \ + : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "t9"); + +/* This function is necessary to prevent the compiler from + * generating prologue/epilogue, preparing stack frame etc. + * The stub functions are special, they do not use the stack + * frame passed to them, but pass it intact to the actual + * implementation. On the other hand, asm() statements with + * arguments can be used only inside the functions (gcc limitation) + */ +#if GCC_VERSION < 3004 +static +#endif /* GCC_VERSION */ +void __attribute__((unused)) dummy(void) +{ +#include <_exports.h> +} + +#if 0 +extern unsigned long __bss_start, _end; + +void app_startup(char **argv) +{ + unsigned long * cp = &__bss_start; + + /* Zero out BSS */ + while (cp < &_end) { + *cp++ = 0; + } +} +#endif + +#undef EXPORT_FUNC |