diff options
author | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-07-03 11:09:37 +0000 |
---|---|---|
committer | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-07-03 11:09:37 +0000 |
commit | be01bc2bd6d850ac7059660edc43d15bacacfb0f (patch) | |
tree | 20b6f555b6219f025d1bc26f8a5ef6b897631fb5 /target/linux/rdc | |
parent | 9f25933453c73393505f2bf044bf44b41648259b (diff) |
Put the files created by the lzma decompressor patch in the files/
directory.
Add some early_printk debugging to the lzma decompressor to help
track down problems when upgrading from one kernel version to another
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11627 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/rdc')
-rw-r--r-- | target/linux/rdc/config-2.6.25 | 17 | ||||
-rw-r--r-- | target/linux/rdc/files/arch/x86/boot/compressed/LzmaDecode.c | 586 | ||||
-rw-r--r-- | target/linux/rdc/files/arch/x86/boot/compressed/LzmaDecode.h | 100 | ||||
-rw-r--r-- | target/linux/rdc/files/arch/x86/boot/compressed/lzma_misc.c | 345 | ||||
-rw-r--r-- | target/linux/rdc/patches-2.6.25/600-x86_lzma.patch | 976 |
5 files changed, 1039 insertions, 985 deletions
diff --git a/target/linux/rdc/config-2.6.25 b/target/linux/rdc/config-2.6.25 index e74119793a..afd2c25738 100644 --- a/target/linux/rdc/config-2.6.25 +++ b/target/linux/rdc/config-2.6.25 @@ -2,7 +2,6 @@ # CONFIG_64BIT is not set # CONFIG_8139TOO is not set # CONFIG_ACQUIRE_WDT is not set -CONFIG_ADM6996_PHY=y # CONFIG_ADVANTECH_WDT is not set # CONFIG_AGP is not set # CONFIG_ALIM1535_WDT is not set @@ -63,7 +62,7 @@ CONFIG_EARLY_PRINTK=y # CONFIG_EDD is not set # CONFIG_EUROTECH_WDT is not set CONFIG_FAST_CMPXCHG_LOCAL=y -CONFIG_FIXED_PHY=y +# CONFIG_FIXED_PHY is not set CONFIG_FIX_EARLYCON_MEM=y CONFIG_FS_POSIX_ACL=y CONFIG_GENERIC_BUG=y @@ -149,6 +148,7 @@ CONFIG_KEXEC=y CONFIG_KTIME_SCALAR=y # CONFIG_KVM is not set # CONFIG_LATENCYTOP is not set +CONFIG_LBD=y # CONFIG_LEDS_ALIX is not set CONFIG_LEDS_GPIO=y # CONFIG_LGUEST is not set @@ -168,7 +168,7 @@ CONFIG_MATH_EMULATION=y # CONFIG_MCORE2 is not set # CONFIG_MCRUSOE is not set # CONFIG_MCYRIXIII is not set -CONFIG_MDIO_BITBANG=y +# CONFIG_MDIO_BITBANG is not set # CONFIG_MEFFICEON is not set # CONFIG_MEMSTICK is not set # CONFIG_MGEODEGX1 is not set @@ -245,7 +245,6 @@ CONFIG_MTD_RDC3210_SIZE=0x400000 # CONFIG_NET_VENDOR_3COM is not set CONFIG_NLS_ISO8859_2=m CONFIG_NOHIGHMEM=y -CONFIG_NO_HZ=y # CONFIG_NSC_GPIO is not set CONFIG_NVRAM=y CONFIG_PAGE_OFFSET=0xC0000000 @@ -273,8 +272,8 @@ CONFIG_PHYSICAL_START=0x100000 # CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set # CONFIG_QSEMI_PHY is not set CONFIG_R6040=m -CONFIG_REALTEK_PHY=y -CONFIG_RELOCATABLE=y +# CONFIG_REALTEK_PHY is not set +# CONFIG_RELOCATABLE is not set # CONFIG_RTC is not set # CONFIG_RWSEM_GENERIC_SPINLOCK is not set CONFIG_RWSEM_XCHGADD_ALGORITHM=y @@ -284,7 +283,7 @@ CONFIG_RWSEM_XCHGADD_ALGORITHM=y # CONFIG_SC1200_WDT is not set # CONFIG_SC520_WDT is not set # CONFIG_SCHED_HRTICK is not set -# CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER is not set +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y # CONFIG_SCSI_LOWLEVEL_PCMCIA is not set # CONFIG_SCSI_MULTI_LUN is not set CONFIG_SCSI_WAIT_SCAN=m @@ -305,7 +304,7 @@ CONFIG_SSB_POSSIBLE=y CONFIG_SYSVIPC_SYSCTL=y # CONFIG_TELCLOCK is not set # CONFIG_THERMAL is not set -CONFIG_TICK_ONESHOT=y +# CONFIG_TICK_ONESHOT is not set # CONFIG_TOSHIBA is not set CONFIG_UID16=y CONFIG_USB=m @@ -361,7 +360,7 @@ CONFIG_X86_MSR=y # CONFIG_X86_PAE is not set # CONFIG_X86_PC is not set CONFIG_X86_POPAD_OK=y -# CONFIG_X86_PPRO_FENCE is not set +CONFIG_X86_PPRO_FENCE=y CONFIG_X86_RDC321X=y CONFIG_X86_REBOOTFIXUPS=y # CONFIG_X86_SUMMIT is not set diff --git a/target/linux/rdc/files/arch/x86/boot/compressed/LzmaDecode.c b/target/linux/rdc/files/arch/x86/boot/compressed/LzmaDecode.c new file mode 100644 index 0000000000..a17d6caabf --- /dev/null +++ b/target/linux/rdc/files/arch/x86/boot/compressed/LzmaDecode.c @@ -0,0 +1,586 @@ +/* + LzmaDecode.c + LZMA Decoder (optimized for Speed version) + + LZMA SDK 4.17 Copyright (c) 1999-2005 Igor Pavlov (2005-04-05) + 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) \ + { UInt32 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 + +#ifdef _LZMA_OUT_READ + +typedef struct _LzmaVarState +{ + Byte *Buffer; + Byte *BufferLim; + UInt32 Range; + UInt32 Code; + #ifdef _LZMA_IN_CB + ILzmaInCallback *InCallback; + #endif + Byte *Dictionary; + UInt32 DictionarySize; + UInt32 DictionaryPos; + UInt32 GlobalPos; + UInt32 Reps[4]; + int lc; + int lp; + int pb; + int State; + int RemainLen; + Byte TempDictionary[4]; +} LzmaVarState; + +int LzmaDecoderInit( + unsigned char *buffer, UInt32 bufferSize, + int lc, int lp, int pb, + unsigned char *dictionary, UInt32 dictionarySize, + #ifdef _LZMA_IN_CB + ILzmaInCallback *InCallback + #else + unsigned char *inStream, UInt32 inSize + #endif + ) +{ + Byte *Buffer; + Byte *BufferLim; + UInt32 Range; + UInt32 Code; + LzmaVarState *vs = (LzmaVarState *)buffer; + CProb *p = (CProb *)(buffer + sizeof(LzmaVarState)); + UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + lp)); + UInt32 i; + if (bufferSize < numProbs * sizeof(CProb) + sizeof(LzmaVarState)) + return LZMA_RESULT_NOT_ENOUGH_MEM; + vs->Dictionary = dictionary; + vs->DictionarySize = dictionarySize; + vs->DictionaryPos = 0; + vs->GlobalPos = 0; + vs->Reps[0] = vs->Reps[1] = vs->Reps[2] = vs->Reps[3] = 1; + vs->lc = lc; + vs->lp = lp; + vs->pb = pb; + vs->State = 0; + vs->RemainLen = 0; + dictionary[dictionarySize - 1] = 0; + for (i = 0; i < numProbs; i++) + p[i] = kBitModelTotal >> 1; + + #ifdef _LZMA_IN_CB + RC_INIT; + #else + RC_INIT(inStream, inSize); + #endif + vs->Buffer = Buffer; + vs->BufferLim = BufferLim; + vs->Range = Range; + vs->Code = Code; + #ifdef _LZMA_IN_CB + vs->InCallback = InCallback; + #endif + + return LZMA_RESULT_OK; +} + +int LzmaDecode(unsigned char *buffer, + unsigned char *outStream, UInt32 outSize, + UInt32 *outSizeProcessed) +{ + LzmaVarState *vs = (LzmaVarState *)buffer; + Byte *Buffer = vs->Buffer; + Byte *BufferLim = vs->BufferLim; + UInt32 Range = vs->Range; + UInt32 Code = vs->Code; + #ifdef _LZMA_IN_CB + ILzmaInCallback *InCallback = vs->InCallback; + #endif + CProb *p = (CProb *)(buffer + sizeof(LzmaVarState)); + int state = vs->State; + Byte previousByte; + UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3]; + UInt32 nowPos = 0; + UInt32 posStateMask = (1 << (vs->pb)) - 1; + UInt32 literalPosMask = (1 << (vs->lp)) - 1; + int lc = vs->lc; + int len = vs->RemainLen; + UInt32 globalPos = vs->GlobalPos; + + Byte *dictionary = vs->Dictionary; + UInt32 dictionarySize = vs->DictionarySize; + UInt32 dictionaryPos = vs->DictionaryPos; + + Byte tempDictionary[4]; + if (dictionarySize == 0) + { + dictionary = tempDictionary; + dictionarySize = 1; + tempDictionary[0] = vs->TempDictionary[0]; + } + + 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; + + UInt32 i; + int state = 0; + Byte previousByte = 0; + UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1; + UInt32 nowPos = 0; + UInt32 posStateMask = (1 << pb) - 1; + UInt32 literalPosMask = (1 << lp) - 1; + int len = 0; + + Byte *Buffer; + Byte *BufferLim; + UInt32 Range; + UInt32 Code; + + if (bufferSize < numProbs * sizeof(CProb)) + return LZMA_RESULT_NOT_ENOUGH_MEM; + for (i = 0; i < numProbs; i++) + p[i] = kBitModelTotal >> 1; + + + #ifdef _LZMA_IN_CB + RC_INIT; + #else + RC_INIT(inStream, inSize); + #endif +#endif + + *outSizeProcessed = 0; + 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 + 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); + if (nowPos + #ifdef _LZMA_OUT_READ + + globalPos + #endif + == 0) + 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; + 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 = -1; + break; + } + } + + len += kMatchMinLen; + if (rep0 > nowPos + #ifdef _LZMA_OUT_READ + + globalPos || rep0 > dictionarySize + #endif + ) + return LZMA_RESULT_DATA_ERROR; + 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->Buffer = Buffer; + vs->BufferLim = BufferLim; + vs->Range = Range; + vs->Code = Code; + 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->RemainLen = len; + vs->TempDictionary[0] = tempDictionary[0]; + #endif + + *outSizeProcessed = nowPos; + return LZMA_RESULT_OK; +} diff --git a/target/linux/rdc/files/arch/x86/boot/compressed/LzmaDecode.h b/target/linux/rdc/files/arch/x86/boot/compressed/LzmaDecode.h new file mode 100644 index 0000000000..53677350ae --- /dev/null +++ b/target/linux/rdc/files/arch/x86/boot/compressed/LzmaDecode.h @@ -0,0 +1,100 @@ +/* + LzmaDecode.h + LZMA Decoder interface + + LZMA SDK 4.16 Copyright (c) 1999-2005 Igor Pavlov (2005-03-18) + 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/rdc/files/arch/x86/boot/compressed/lzma_misc.c b/target/linux/rdc/files/arch/x86/boot/compressed/lzma_misc.c new file mode 100644 index 0000000000..bd74cb7948 --- /dev/null +++ b/target/linux/rdc/files/arch/x86/boot/compressed/lzma_misc.c @@ -0,0 +1,345 @@ +/* + * lzma_misc.c + * + * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 + * puts by Nick Holloway 1993, better puts by Martin Mares 1995 + * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996 + * + * Decompress LZMA compressed vmlinuz + * Version 0.9 Copyright (c) Ming-Ching Tiew mctiew@yahoo.com + * Program adapted from misc.c for 2.6 kernel + * Forward ported to latest 2.6 version of misc.c by + * Felix Fietkau <nbd@openwrt.org> + */ + +#undef CONFIG_PARAVIRT +#include <linux/linkage.h> +#include <linux/vmalloc.h> +#include <linux/screen_info.h> +#include <linux/console.h> +#include <linux/string.h> +#include <asm/io.h> +#include <asm/page.h> +#include <asm/boot.h> + +/* WARNING!! + * This code is compiled with -fPIC and it is relocated dynamically + * at run time, but no relocation processing is performed. + * This means that it is not safe to place pointers in static structures. + */ + +/* + * Getting to provable safe in place decompression is hard. + * Worst case behaviours need to be analized. + * Background information: + * + * The file layout is: + * magic[2] + * method[1] + * flags[1] + * timestamp[4] + * extraflags[1] + * os[1] + * compressed data blocks[N] + * crc[4] orig_len[4] + * + * resulting in 18 bytes of non compressed data overhead. + * + * Files divided into blocks + * 1 bit (last block flag) + * 2 bits (block type) + * + * 1 block occurs every 32K -1 bytes or when there 50% compression has been achieved. + * The smallest block type encoding is always used. + * + * stored: + * 32 bits length in bytes. + * + * fixed: + * magic fixed tree. + * symbols. + * + * dynamic: + * dynamic tree encoding. + * symbols. + * + * + * The buffer for decompression in place is the length of the + * uncompressed data, plus a small amount extra to keep the algorithm safe. + * The compressed data is placed at the end of the buffer. The output + * pointer is placed at the start of the buffer and the input pointer + * is placed where the compressed data starts. Problems will occur + * when the output pointer overruns the input pointer. + * + * The output pointer can only overrun the input pointer if the input + * pointer is moving faster than the output pointer. A condition only + * triggered by data whose compressed form is larger than the uncompressed + * form. + * + * The worst case at the block level is a growth of the compressed data + * of 5 bytes per 32767 bytes. + * + * The worst case internal to a compressed block is very hard to figure. + * The worst case can at least be boundined by having one bit that represents + * 32764 bytes and then all of the rest of the bytes representing the very + * very last byte. + * + * All of which is enough to compute an amount of extra data that is required + * to be safe. To avoid problems at the block level allocating 5 extra bytes + * per 32767 bytes of data is sufficient. To avoind problems internal to a block + * adding an extra 32767 bytes (the worst case uncompressed block size) is + * sufficient, to ensure that in the worst case the decompressed data for + * block will stop the byte before the compressed data for a block begins. + * To avoid problems with the compressed data's meta information an extra 18 + * bytes are needed. Leading to the formula: + * + * extra_bytes = (uncompressed_size >> 12) + 32768 + 18 + decompressor_size. + * + * Adding 8 bytes per 32K is a bit excessive but much easier to calculate. + * Adding 32768 instead of 32767 just makes for round numbers. + * Adding the decompressor_size is necessary as it musht live after all + * of the data as well. Last I measured the decompressor is about 14K. + * 10K of actuall data and 4K of bss. + * + */ + +/* + * gzip declarations + */ + +#define OF(args) args +#define STATIC static + +#undef memcpy + +typedef unsigned char uch; +typedef unsigned short ush; +typedef unsigned long ulg; + +#define WSIZE 0x80000000 /* Window size must be at least 32k, + * and a power of two + * We don't actually have a window just + * a huge output buffer so I report + * a 2G windows size, as that should + * always be larger than our output buffer. + */ + +static uch *inbuf; /* input buffer */ +static uch *window; /* Sliding window buffer, (and final output buffer) */ + +static unsigned insize; /* valid bytes in inbuf */ +static unsigned inptr; /* index of next byte to be processed in inbuf */ +static unsigned long workspace; + +#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf()) + +/* Diagnostic functions */ +#ifdef DEBUG +# define Assert(cond,msg) {if(!(cond)) error(msg);} +# define Trace(x) fprintf x +# define Tracev(x) {if (verbose) fprintf x ;} +# define Tracevv(x) {if (verbose>1) fprintf x ;} +# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} +# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} +#else +# define Assert(cond,msg) +# define Trace(x) +# define Tracev(x) +# define Tracevv(x) +# define Tracec(c,x) +# define Tracecv(c,x) +#endif + +static int fill_inbuf(void); + +/* + * This is set up by the setup-routine at boot-time + */ +static unsigned char *real_mode; /* Pointer to real-mode data */ +extern unsigned char input_data[]; +extern int input_len; + +static void error(char *x); +static void *memcpy(void *dest, const void *src, unsigned n); + +#ifdef CONFIG_X86_NUMAQ +void *xquad_portio; +#endif + +static void* memcpy(void* dest, const void* src, unsigned n) +{ + int i; + char *d = (char *)dest, *s = (char *)src; + + for (i=0;i<n;i++) d[i] = s[i]; + return dest; +} + +/* =========================================================================== + * Fill the input buffer. This is called only when the buffer is empty + * and at least one byte is really needed. + */ +static int fill_inbuf(void) +{ + error("ran out of input data"); + return 0; +} + + +// When using LZMA in callback, the compressed length is not needed. +// Otherwise you need a special version of lzma compression program +// which will pad the compressed length in the header. +#define _LZMA_IN_CB +#include "LzmaDecode.h" +#include "LzmaDecode.c" + +static int read_byte(void *object, unsigned char **buffer, UInt32 *bufferSize); + +static int early_serial_base = 0x3f8; /* ttyS0 */ + +#define XMTRDY 0x20 + +#define DLAB 0x80 + +#define TXR 0 /* Transmit register (WRITE) */ +#define RXR 0 /* Receive register (READ) */ +#define IER 1 /* Interrupt Enable */ +#define IIR 2 /* Interrupt ID */ +#define FCR 2 /* FIFO control */ +#define LCR 3 /* Line control */ +#define MCR 4 /* Modem control */ +#define LSR 5 /* Line Status */ +#define MSR 6 /* Modem Status */ +#define DLL 0 /* Divisor Latch Low */ +#define DLH 1 /* Divisor latch High */ + +static int early_serial_putc(unsigned char ch) +{ + unsigned timeout = 0xffff; + while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout) + cpu_relax(); + outb(ch, early_serial_base + TXR); + return timeout ? 0 : -1; +} + +static void early_serial_write(const char *s, unsigned n) +{ + while (*s && n-- > 0) { + if (*s == '\n') + early_serial_putc('\r'); + early_serial_putc(*s); + s++; + } +} + +#define DEFAULT_BAUD 38400 + +static __init void early_serial_init(void) +{ + unsigned char c; + unsigned divisor; + unsigned baud = DEFAULT_BAUD; + char *e; + + outb(0x3, early_serial_base + LCR); /* 8n1 */ + outb(0, early_serial_base + IER); /* no interrupt */ + outb(0, early_serial_base + FCR); /* no fifo */ + outb(0x3, early_serial_base + MCR); /* DTR + RTS */ + + baud = DEFAULT_BAUD; + + divisor = 115200 / baud; + c = inb(early_serial_base + LCR); + outb(c | DLAB, early_serial_base + LCR); + outb(divisor & 0xff, early_serial_base + DLL); + outb((divisor >> 8) & 0xff, early_serial_base + DLH); + outb(c & ~DLAB, early_serial_base + LCR); +} + +/* + * Do the lzma decompression + * When using LZMA in callback, the end of input stream is automatically determined + */ +static int lzma_unzip(void) +{ + + 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 uncompressedSize = 0; + unsigned char* p; + + ILzmaInCallback callback; + callback.Read = read_byte; + + /* lzma args */ + i = get_byte(); + lc = i % 9, i = i / 9; + lp = i % 5, pb = i / 5; + + /* skip dictionary size */ + for (i = 0; i < 4; i++) + get_byte(); + // get uncompressedSize + p= (char*)&uncompressedSize; + for (i = 0; i < 4; i++) + *p++ = get_byte(); + + //get compressedSize + for (i = 0; i < 4; i++) + get_byte(); + + // point it beyond uncompresedSize + //workspace = window + uncompressedSize; + + /* decompress kernel */ + if (LzmaDecode((unsigned char*)workspace, ~0, lc, lp, pb, &callback, + (unsigned char*)window, uncompressedSize, &i) == LZMA_RESULT_OK) + return 0; + else + return 1; +} + + +#ifdef _LZMA_IN_CB +static int read_byte(void *object, unsigned char **buffer, UInt32 *bufferSize) +{ + static unsigned int i = 0; + static unsigned char val; + *bufferSize = 1; + val = get_byte(); + *buffer = &val; + return LZMA_RESULT_OK; +} +#endif + +static void error(char *x) +{ + while(1); /* Halt */ +} + +asmlinkage void decompress_kernel(void *rmode, unsigned long end, + uch *input_data, unsigned long input_len, uch *output) +{ + real_mode = rmode; + + window = output; + inbuf = input_data; /* Input buffer */ + insize = input_len; + inptr = 0; + + if ((u32)output & (CONFIG_PHYSICAL_ALIGN -1)) + error("Destination address not CONFIG_PHYSICAL_ALIGN aligned"); + if ((workspace = end) > ((-__PAGE_OFFSET-(512 <<20)-1) & 0x7fffffff)) + error("Destination address too large"); +#ifndef CONFIG_RELOCATABLE + if ((u32)output != LOAD_PHYSICAL_ADDR) + error("Wrong destination address"); +#endif + early_serial_init(); + early_serial_write("Uncompressing Linux\n", 512); + lzma_unzip(); + early_serial_write("Done, booting\n", 512); + return; +} diff --git a/target/linux/rdc/patches-2.6.25/600-x86_lzma.patch b/target/linux/rdc/patches-2.6.25/600-x86_lzma.patch index 8d17f0f3c2..5e0c8d7fdb 100644 --- a/target/linux/rdc/patches-2.6.25/600-x86_lzma.patch +++ b/target/linux/rdc/patches-2.6.25/600-x86_lzma.patch @@ -1,979 +1,3 @@ ---- /dev/null -+++ b/arch/x86/boot/compressed/LzmaDecode.c -@@ -0,0 +1,586 @@ -+/* -+ LzmaDecode.c -+ LZMA Decoder (optimized for Speed version) -+ -+ LZMA SDK 4.17 Copyright (c) 1999-2005 Igor Pavlov (2005-04-05) -+ 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) \ -+ { UInt32 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 -+ -+#ifdef _LZMA_OUT_READ -+ -+typedef struct _LzmaVarState -+{ -+ Byte *Buffer; -+ Byte *BufferLim; -+ UInt32 Range; -+ UInt32 Code; -+ #ifdef _LZMA_IN_CB -+ ILzmaInCallback *InCallback; -+ #endif -+ Byte *Dictionary; -+ UInt32 DictionarySize; -+ UInt32 DictionaryPos; -+ UInt32 GlobalPos; -+ UInt32 Reps[4]; -+ int lc; -+ int lp; -+ int pb; -+ int State; -+ int RemainLen; -+ Byte TempDictionary[4]; -+} LzmaVarState; -+ -+int LzmaDecoderInit( -+ unsigned char *buffer, UInt32 bufferSize, -+ int lc, int lp, int pb, -+ unsigned char *dictionary, UInt32 dictionarySize, -+ #ifdef _LZMA_IN_CB -+ ILzmaInCallback *InCallback -+ #else -+ unsigned char *inStream, UInt32 inSize -+ #endif -+ ) -+{ -+ Byte *Buffer; -+ Byte *BufferLim; -+ UInt32 Range; -+ UInt32 Code; -+ LzmaVarState *vs = (LzmaVarState *)buffer; -+ CProb *p = (CProb *)(buffer + sizeof(LzmaVarState)); -+ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + lp)); -+ UInt32 i; -+ if (bufferSize < numProbs * sizeof(CProb) + sizeof(LzmaVarState)) -+ return LZMA_RESULT_NOT_ENOUGH_MEM; -+ vs->Dictionary = dictionary; -+ vs->DictionarySize = dictionarySize; -+ vs->DictionaryPos = 0; -+ vs->GlobalPos = 0; -+ vs->Reps[0] = vs->Reps[1] = vs->Reps[2] = vs->Reps[3] = 1; -+ vs->lc = lc; -+ vs->lp = lp; -+ vs->pb = pb; -+ vs->State = 0; -+ vs->RemainLen = 0; -+ dictionary[dictionarySize - 1] = 0; -+ for (i = 0; i < numProbs; i++) -+ p[i] = kBitModelTotal >> 1; -+ -+ #ifdef _LZMA_IN_CB -+ RC_INIT; -+ #else -+ RC_INIT(inStream, inSize); -+ #endif -+ vs->Buffer = Buffer; -+ vs->BufferLim = BufferLim; -+ vs->Range = Range; -+ vs->Code = Code; -+ #ifdef _LZMA_IN_CB -+ vs->InCallback = InCallback; -+ #endif -+ -+ return LZMA_RESULT_OK; -+} -+ -+int LzmaDecode(unsigned char *buffer, -+ unsigned char *outStream, UInt32 outSize, -+ UInt32 *outSizeProcessed) -+{ -+ LzmaVarState *vs = (LzmaVarState *)buffer; -+ Byte *Buffer = vs->Buffer; -+ Byte *BufferLim = vs->BufferLim; -+ UInt32 Range = vs->Range; -+ UInt32 Code = vs->Code; -+ #ifdef _LZMA_IN_CB -+ ILzmaInCallback *InCallback = vs->InCallback; -+ #endif -+ CProb *p = (CProb *)(buffer + sizeof(LzmaVarState)); -+ int state = vs->State; -+ Byte previousByte; -+ UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3]; -+ UInt32 nowPos = 0; -+ UInt32 posStateMask = (1 << (vs->pb)) - 1; -+ UInt32 literalPosMask = (1 << (vs->lp)) - 1; -+ int lc = vs->lc; -+ int len = vs->RemainLen; -+ UInt32 globalPos = vs->GlobalPos; -+ -+ Byte *dictionary = vs->Dictionary; -+ UInt32 dictionarySize = vs->DictionarySize; -+ UInt32 dictionaryPos = vs->DictionaryPos; -+ -+ Byte tempDictionary[4]; -+ if (dictionarySize == 0) -+ { -+ dictionary = tempDictionary; -+ dictionarySize = 1; -+ tempDictionary[0] = vs->TempDictionary[0]; -+ } -+ -+ 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; -+ -+ UInt32 i; -+ int state = 0; -+ Byte previousByte = 0; -+ UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1; -+ UInt32 nowPos = 0; -+ UInt32 posStateMask = (1 << pb) - 1; -+ UInt32 literalPosMask = (1 << lp) - 1; -+ int len = 0; -+ -+ Byte *Buffer; -+ Byte *BufferLim; -+ UInt32 Range; -+ UInt32 Code; -+ -+ if (bufferSize < numProbs * sizeof(CProb)) -+ return LZMA_RESULT_NOT_ENOUGH_MEM; -+ for (i = 0; i < numProbs; i++) -+ p[i] = kBitModelTotal >> 1; -+ -+ -+ #ifdef _LZMA_IN_CB -+ RC_INIT; -+ #else -+ RC_INIT(inStream, inSize); -+ #endif -+#endif -+ -+ *outSizeProcessed = 0; -+ 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 -+ 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); -+ if (nowPos -+ #ifdef _LZMA_OUT_READ -+ + globalPos -+ #endif -+ == 0) -+ 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; -+ 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 = -1; -+ break; -+ } -+ } -+ -+ len += kMatchMinLen; -+ if (rep0 > nowPos -+ #ifdef _LZMA_OUT_READ -+ + globalPos || rep0 > dictionarySize -+ #endif -+ ) -+ return LZMA_RESULT_DATA_ERROR; -+ 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->Buffer = Buffer; -+ vs->BufferLim = BufferLim; -+ vs->Range = Range; -+ vs->Code = Code; -+ 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->RemainLen = len; -+ vs->TempDictionary[0] = tempDictionary[0]; -+ #endif -+ -+ *outSizeProcessed = nowPos; -+ return LZMA_RESULT_OK; -+} ---- /dev/null -+++ b/arch/x86/boot/compressed/LzmaDecode.h -@@ -0,0 +1,100 @@ -+/* -+ LzmaDecode.h -+ LZMA Decoder interface -+ -+ LZMA SDK 4.16 Copyright (c) 1999-2005 Igor Pavlov (2005-03-18) -+ 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 ---- /dev/null -+++ b/arch/x86/boot/compressed/lzma_misc.c -@@ -0,0 +1,281 @@ -+/* -+ * lzma_misc.c -+ * -+ * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 -+ * puts by Nick Holloway 1993, better puts by Martin Mares 1995 -+ * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996 -+ * -+ * Decompress LZMA compressed vmlinuz -+ * Version 0.9 Copyright (c) Ming-Ching Tiew mctiew@yahoo.com -+ * Program adapted from misc.c for 2.6 kernel -+ * Forward ported to latest 2.6 version of misc.c by -+ * Felix Fietkau <nbd@openwrt.org> -+ */ -+ -+#undef CONFIG_PARAVIRT -+#include <linux/linkage.h> -+#include <linux/vmalloc.h> -+#include <linux/screen_info.h> -+#include <asm/io.h> -+#include <asm/page.h> -+#include <asm/boot.h> -+ -+/* WARNING!! -+ * This code is compiled with -fPIC and it is relocated dynamically -+ * at run time, but no relocation processing is performed. -+ * This means that it is not safe to place pointers in static structures. -+ */ -+ -+/* -+ * Getting to provable safe in place decompression is hard. -+ * Worst case behaviours need to be analized. -+ * Background information: -+ * -+ * The file layout is: -+ * magic[2] -+ * method[1] -+ * flags[1] -+ * timestamp[4] -+ * extraflags[1] -+ * os[1] -+ * compressed data blocks[N] -+ * crc[4] orig_len[4] -+ * -+ * resulting in 18 bytes of non compressed data overhead. -+ * -+ * Files divided into blocks -+ * 1 bit (last block flag) -+ * 2 bits (block type) -+ * -+ * 1 block occurs every 32K -1 bytes or when there 50% compression has been achieved. -+ * The smallest block type encoding is always used. -+ * -+ * stored: -+ * 32 bits length in bytes. -+ * -+ * fixed: -+ * magic fixed tree. -+ * symbols. -+ * -+ * dynamic: -+ * dynamic tree encoding. -+ * symbols. -+ * -+ * -+ * The buffer for decompression in place is the length of the -+ * uncompressed data, plus a small amount extra to keep the algorithm safe. -+ * The compressed data is placed at the end of the buffer. The output -+ * pointer is placed at the start of the buffer and the input pointer -+ * is placed where the compressed data starts. Problems will occur -+ * when the output pointer overruns the input pointer. -+ * -+ * The output pointer can only overrun the input pointer if the input -+ * pointer is moving faster than the output pointer. A condition only -+ * triggered by data whose compressed form is larger than the uncompressed -+ * form. -+ * -+ * The worst case at the block level is a growth of the compressed data -+ * of 5 bytes per 32767 bytes. -+ * -+ * The worst case internal to a compressed block is very hard to figure. -+ * The worst case can at least be boundined by having one bit that represents -+ * 32764 bytes and then all of the rest of the bytes representing the very -+ * very last byte. -+ * -+ * All of which is enough to compute an amount of extra data that is required -+ * to be safe. To avoid problems at the block level allocating 5 extra bytes -+ * per 32767 bytes of data is sufficient. To avoind problems internal to a block -+ * adding an extra 32767 bytes (the worst case uncompressed block size) is -+ * sufficient, to ensure that in the worst case the decompressed data for -+ * block will stop the byte before the compressed data for a block begins. -+ * To avoid problems with the compressed data's meta information an extra 18 -+ * bytes are needed. Leading to the formula: -+ * -+ * extra_bytes = (uncompressed_size >> 12) + 32768 + 18 + decompressor_size. -+ * -+ * Adding 8 bytes per 32K is a bit excessive but much easier to calculate. -+ * Adding 32768 instead of 32767 just makes for round numbers. -+ * Adding the decompressor_size is necessary as it musht live after all -+ * of the data as well. Last I measured the decompressor is about 14K. -+ * 10K of actuall data and 4K of bss. -+ * -+ */ -+ -+/* -+ * gzip declarations -+ */ -+ -+#define OF(args) args -+#define STATIC static -+ -+#undef memcpy -+ -+typedef unsigned char uch; -+typedef unsigned short ush; -+typedef unsigned long ulg; -+ -+#define WSIZE 0x80000000 /* Window size must be at least 32k, -+ * and a power of two -+ * We don't actually have a window just -+ * a huge output buffer so I report -+ * a 2G windows size, as that should -+ * always be larger than our output buffer. -+ */ -+ -+static uch *inbuf; /* input buffer */ -+static uch *window; /* Sliding window buffer, (and final output buffer) */ -+ -+static unsigned insize; /* valid bytes in inbuf */ -+static unsigned inptr; /* index of next byte to be processed in inbuf */ -+static unsigned long workspace; -+ -+#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf()) -+ -+/* Diagnostic functions */ -+#ifdef DEBUG -+# define Assert(cond,msg) {if(!(cond)) error(msg);} -+# define Trace(x) fprintf x -+# define Tracev(x) {if (verbose) fprintf x ;} -+# define Tracevv(x) {if (verbose>1) fprintf x ;} -+# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} -+# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} -+#else -+# define Assert(cond,msg) -+# define Trace(x) -+# define Tracev(x) -+# define Tracevv(x) -+# define Tracec(c,x) -+# define Tracecv(c,x) -+#endif -+ -+static int fill_inbuf(void); -+ -+/* -+ * This is set up by the setup-routine at boot-time -+ */ -+static unsigned char *real_mode; /* Pointer to real-mode data */ -+extern unsigned char input_data[]; -+extern int input_len; -+ -+static void error(char *x); -+static void *memcpy(void *dest, const void *src, unsigned n); -+ -+#ifdef CONFIG_X86_NUMAQ -+void *xquad_portio; -+#endif -+ -+static void* memcpy(void* dest, const void* src, unsigned n) -+{ -+ int i; -+ char *d = (char *)dest, *s = (char *)src; -+ -+ for (i=0;i<n;i++) d[i] = s[i]; -+ return dest; -+} -+ -+/* =========================================================================== -+ * Fill the input buffer. This is called only when the buffer is empty -+ * and at least one byte is really needed. -+ */ -+static int fill_inbuf(void) -+{ -+ error("ran out of input data"); -+ return 0; -+} -+ -+ -+// When using LZMA in callback, the compressed length is not needed. -+// Otherwise you need a special version of lzma compression program -+// which will pad the compressed length in the header. -+#define _LZMA_IN_CB -+#include "LzmaDecode.h" -+#include "LzmaDecode.c" -+ -+static int read_byte(void *object, unsigned char **buffer, UInt32 *bufferSize); -+ -+ -+/* -+ * Do the lzma decompression -+ * When using LZMA in callback, the end of input stream is automatically determined -+ */ -+static int lzma_unzip(void) -+{ -+ -+ 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 uncompressedSize = 0; -+ unsigned char* p; -+ -+ ILzmaInCallback callback; -+ callback.Read = read_byte; -+ -+ /* lzma args */ -+ i = get_byte(); -+ lc = i % 9, i = i / 9; -+ lp = i % 5, pb = i / 5; -+ -+ /* skip dictionary size */ -+ for (i = 0; i < 4; i++) -+ get_byte(); -+ // get uncompressedSize -+ p= (char*)&uncompressedSize; -+ for (i = 0; i < 4; i++) -+ *p++ = get_byte(); -+ -+ //get compressedSize -+ for (i = 0; i < 4; i++) -+ get_byte(); -+ -+ // point it beyond uncompresedSize -+ //workspace = window + uncompressedSize; -+ -+ /* decompress kernel */ -+ if (LzmaDecode((unsigned char*)workspace, ~0, lc, lp, pb, &callback, -+ (unsigned char*)window, uncompressedSize, &i) == LZMA_RESULT_OK) -+ return 0; -+ else -+ return 1; -+} -+ -+ -+#ifdef _LZMA_IN_CB -+static int read_byte(void *object, unsigned char **buffer, UInt32 *bufferSize) -+{ -+ static unsigned int i = 0; -+ static unsigned char val; -+ *bufferSize = 1; -+ val = get_byte(); -+ *buffer = &val; -+ return LZMA_RESULT_OK; -+} -+#endif -+ -+static void error(char *x) -+{ -+ while(1); /* Halt */ -+} -+ -+asmlinkage void decompress_kernel(void *rmode, unsigned long end, -+ uch *input_data, unsigned long input_len, uch *output) -+{ -+ real_mode = rmode; -+ -+ window = output; -+ inbuf = input_data; /* Input buffer */ -+ insize = input_len; -+ inptr = 0; -+ -+ if ((u32)output & (CONFIG_PHYSICAL_ALIGN -1)) -+ error("Destination address not CONFIG_PHYSICAL_ALIGN aligned"); -+ if ((workspace = end) > ((-__PAGE_OFFSET-(512 <<20)-1) & 0x7fffffff)) -+ error("Destination address too large"); -+#ifndef CONFIG_RELOCATABLE -+ if ((u32)output != LOAD_PHYSICAL_ADDR) -+ error("Wrong destination address"); -+#endif -+ -+ lzma_unzip(); -+ return; -+} --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -172,4 +172,9 @@ |