diff options
author | Felix Fietkau <nbd@openwrt.org> | 2007-09-06 16:27:37 +0000 |
---|---|---|
committer | Felix Fietkau <nbd@openwrt.org> | 2007-09-06 16:27:37 +0000 |
commit | 92558d67a463bfbb351d30e28648de03b635f024 (patch) | |
tree | a5d41b991a151e72663527a96fbc6c494565d65c /target/linux/adm5120/image/lzma-loader | |
parent | e1dbce411cd2a3a067f387cee011cd889486a07d (diff) | |
download | master-187ad058-92558d67a463bfbb351d30e28648de03b635f024.tar.gz master-187ad058-92558d67a463bfbb351d30e28648de03b635f024.tar.bz2 master-187ad058-92558d67a463bfbb351d30e28648de03b635f024.zip |
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8653 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/adm5120/image/lzma-loader')
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/Makefile | 63 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/LzmaDecode.c | 589 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/LzmaDecode.h | 100 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/Makefile | 99 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/README | 55 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/board.c | 178 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/config.h | 119 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/decompress.c | 349 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/head.S | 209 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/loader.lds | 29 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/lzma-data.lds | 8 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/printf.c | 350 | ||||
-rw-r--r-- | target/linux/adm5120/image/lzma-loader/src/printf.h | 18 |
13 files changed, 2166 insertions, 0 deletions
diff --git a/target/linux/adm5120/image/lzma-loader/Makefile b/target/linux/adm5120/image/lzma-loader/Makefile new file mode 100644 index 0000000000..74866e765e --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/Makefile @@ -0,0 +1,63 @@ +# +# Copyright (C) 2006 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# +# $Id$ + +include $(TOPDIR)/rules.mk + +LOADER := loader.bin +LOADER_NAME := $(basename $(notdir $(LOADER))) +LOADER_DATA := +TARGET_DIR := + +ifeq ($(TARGET_DIR),) +TARGET_DIR := $(KDIR) +endif + +LOADER_BIN := $(TARGET_DIR)/$(LOADER_NAME).bin +LOADER_GZ := $(TARGET_DIR)/$(LOADER_NAME).gz +LOADER_ELF := $(TARGET_DIR)/$(LOADER_NAME).elf + +LZMA_STARTUP_ORG:= 0 +LZMA_TEXT_START := 0x80300000 + +PKG_NAME := lzma-loader +PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME) + +.PHONY : loader-compile loader.bin loader.elf loader.gz + +$(PKG_BUILD_DIR)/.prepared: + mkdir $(PKG_BUILD_DIR) + $(CP) ./src/* $(PKG_BUILD_DIR)/ + touch $@ + +loader-compile: $(PKG_BUILD_DIR)/.prepared + $(MAKE) -C $(PKG_BUILD_DIR) CROSS_COMPILE="$(TARGET_CROSS)" \ + LZMA_STARTUP_ORG=$(LZMA_STARTUP_ORG) \ + LZMA_TEXT_START=$(LZMA_TEXT_START) \ + LOADER_DATA=$(LOADER_DATA) \ + CONFIG_BOARD=$(CONFIG_BOARD) \ + CONFIG_PASS_KARGS=$(CONFIG_PASS_KARGS) \ + clean all + +loader.gz: $(PKG_BUILD_DIR)/loader.bin + gzip -nc9 $< > $(LOADER_GZ) + +loader.elf: $(PKG_BUILD_DIR)/loader.elf + $(CP) $< $(LOADER_ELF) + +loader.bin: $(PKG_BUILD_DIR)/loader.bin + $(CP) $< $(LOADER_BIN) + +download: +prepare: $(PKG_BUILD_DIR)/.prepared +compile: loader-compile + +install: + +clean: + rm -rf $(PKG_BUILD_DIR) + diff --git a/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.c b/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.c new file mode 100644 index 0000000000..75a358a9ee --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.c @@ -0,0 +1,589 @@ +/* + LzmaDecode.c + LZMA Decoder (optimized for Speed version) + + 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. +*/ + +#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 + // prob += 0x100; + 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); + // prob -= 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 + { + // int isItRep; + 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/adm5120/image/lzma-loader/src/LzmaDecode.h b/target/linux/adm5120/image/lzma-loader/src/LzmaDecode.h new file mode 100644 index 0000000000..53677350ae --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/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/adm5120/image/lzma-loader/src/Makefile b/target/linux/adm5120/image/lzma-loader/src/Makefile new file mode 100644 index 0000000000..a553b7fdef --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/Makefile @@ -0,0 +1,99 @@ +# +# Makefile for Broadcom BCM947XX boards +# +# Copyright 2001-2003, Broadcom Corporation +# All Rights Reserved. +# +# THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY +# KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM +# SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS +# FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. +# +# Copyright 2004 Manuel Novoa III <mjn3@codepoet.org> +# Modified to support bzip'd kernels. +# Of course, it would be better to integrate bunzip capability into CFE. +# +# Copyright 2005 Oleg I. Vdovikin <oleg@cs.msu.su> +# Cleaned up, modified for lzma support, removed from kernel +# +# Copyright 2007 Gabor Juhos <juhosg at openwrt.org> +# Modified to support user defined entry point address. +# Added support for make targets with different names +# + +LOADADDR := 0x80001000 +LZMA_TEXT_START := 0x80500000 +LZMA_STARTUP_ORG:= 0 +LOADER_DATA := +CONFIG_PASS_KARGS := +CONFIG_BOARD := + +CC := $(CROSS_COMPILE)gcc +LD := $(CROSS_COMPILE)ld +OBJCOPY := $(CROSS_COMPILE)objcopy +OBJDUMP := $(CROSS_COMPILE)objdump + +BIN_FLAGS := -O binary -R .reginfo -R .note -R .comment -R .mdebug -S + +CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ + -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \ + -ffunction-sections -pipe -mlong-calls -fno-common \ + -ffreestanding \ + -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap +CFLAGS += -DLOADADDR=$(LOADADDR) + +ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DLZMA_STARTUP_ORG=$(LZMA_STARTUP_ORG) + +LDFLAGS = -static --gc-sections -no-warn-mismatch +LDFLAGS += -e startup -T loader.lds -Ttext $(LZMA_TEXT_START) + +O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32) + +OBJECTS := head.o decompress.o board.o printf.o LzmaDecode.o + +ifneq ($(strip $(LOADER_DATA)),) +OBJECTS += data.o +CFLAGS += -DLZMA_WRAPPER=1 +else +CFLAGS += -D_LZMA_IN_CB +endif + +ifneq ($(strip $(CONFIG_PASS_KARGS)),) +CFLAGS += -DCONFIG_PASS_KARGS +endif + +BOARD_DEF := $(strip $(CONFIG_BOARD)) +BOARD_DEF := $(shell echo $(BOARD_DEF) | tr a-z A-Z | tr -d -) +ifneq ($(BOARD_DEF),) +CFLAGS += -DCONFIG_BOARD_$(BOARD_DEF) +endif + +all: loader.bin + +# Don't build dependencies, this may die if $(CC) isn't gcc +dep: + +install: + +%.o : %.c + $(CC) $(CFLAGS) -c -o $@ $< + +%.o : %.S + $(CC) $(ASFLAGS) -c -o $@ $< + +data.o: $(LOADER_DATA) + $(LD) -r -b binary --oformat $(O_FORMAT) -T lzma-data.lds -o $@ $< + +loader.bin: loader.elf + $(OBJCOPY) $(BIN_FLAGS) $< $@ + +loader.elf: $(OBJECTS) + $(LD) $(LDFLAGS) -o $@ $(OBJECTS) + +mrproper: clean + +clean: + rm -f *.elf *.bin *.o + + + diff --git a/target/linux/adm5120/image/lzma-loader/src/README b/target/linux/adm5120/image/lzma-loader/src/README new file mode 100644 index 0000000000..16649e9500 --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/README @@ -0,0 +1,55 @@ +/* + * LZMA compressed kernel decompressor for bcm947xx boards + * + * Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +The code is intended to decompress kernel, being compressed using lzma utility +build using 7zip LZMA SDK. This utility is located in the LZMA_Alone directory + +decompressor code expects that your .trx file consist of three partitions: + +1) decompressor itself (this is gziped code which pmon/cfe will extract and run +on boot-up instead of real kernel) +2) LZMA compressed kernel (both streamed and regular modes are supported now) +3) Root filesystem + +Please be sure to apply the following patch for use this new trx layout (it will +allow using both new and old trx files for root filesystem lookup code) + +--- linuz/arch/mips/brcm-boards/bcm947xx/setup.c 2005-01-23 19:24:27.503322896 +0300 ++++ linux/arch/mips/brcm-boards/bcm947xx/setup.c 2005-01-23 19:29:05.237100944 +0300 +@@ -221,7 +221,9 @@ + /* Try looking at TRX header for rootfs offset */ + if (le32_to_cpu(trx->magic) == TRX_MAGIC) { + bcm947xx_parts[1].offset = off; +- if (le32_to_cpu(trx->offsets[1]) > off) ++ if (le32_to_cpu(trx->offsets[2]) > off) ++ off = le32_to_cpu(trx->offsets[2]); ++ else if (le32_to_cpu(trx->offsets[1]) > off) + off = le32_to_cpu(trx->offsets[1]); + continue; + } + + +Revision history: + 0.02 Initial release + 0.03 Added Mineharu Takahara <mtakahar@yahoo.com> patch to pass actual + output size to decoder (stream mode compressed input is not + a requirement anymore) + 0.04 Reordered functions using lds script diff --git a/target/linux/adm5120/image/lzma-loader/src/board.c b/target/linux/adm5120/image/lzma-loader/src/board.c new file mode 100644 index 0000000000..22317f9683 --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/board.c @@ -0,0 +1,178 @@ +/* + * ADM5120 specific board support for LZMA decompressor + * + * Copyright (C) 2007 OpenWrt.org + * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> + * + * 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 + */ + +#include <stddef.h> + +#define READREG(r) *(volatile unsigned int *)(r) +#define WRITEREG(r,v) *(volatile unsigned int *)(r) = v + +/* + * INTC definitions + */ +#define INTC_BASE 0xB2200000 + +/* INTC registers */ +#define INTC_REG_IRQ_DISABLE 0x0C + +/* + * UART definitions + */ +#define UART_BASE 0xB2600000 +/* UART registers */ +#define UART_REG_DATA 0x00 /* Data register */ +#define UART_REG_ECR 0x04 /* Error Clear register */ +#define UART_REG_LCRH 0x08 /* Line Control High register */ +#define UART_REG_LCRM 0x0C /* Line Control Middle register */ +#define UART_REG_LCRL 0x10 /* Line Control Low register */ +#define UART_REG_CTRL 0x14 /* Control register */ +#define UART_REG_FLAG 0x18 /* Flag register */ + +/* Control register bits */ +#define UART_CTRL_EN ( 1 << 0 ) /* UART enable */ + +/* Line Control High register bits */ +#define UART_LCRH_FEN ( 1 << 4 ) /* FIFO enable */ + +/* Flag register bits */ +#define UART_FLAG_CTS ( 1 << 0 ) +#define UART_FLAG_DSR ( 1 << 1 ) +#define UART_FLAG_DCD ( 1 << 2 ) +#define UART_FLAG_BUSY ( 1 << 3 ) +#define UART_FLAG_RXFE ( 1 << 4 ) /* RX FIFO empty */ +#define UART_FLAG_TXFF ( 1 << 5 ) /* TX FIFO full */ +#define UART_FLAG_RXFF ( 1 << 6 ) /* RX FIFO full */ +#define UART_FLAG_TXFE ( 1 << 7 ) /* TX FIFO empty */ + +/* + * SWITCH definitions + */ +#define SWITCH_BASE 0xB2000000 + +#define SWITCH_REG_CPUP_CONF 0x0024 +#define SWITCH_REG_PORT_CONF0 0x0028 + +#define SWITCH_REG_GPIO_CONF0 0x00B8 +#define SWITCH_REG_GPIO_CONF2 0x00BC + +#define SWITCH_REG_PORT0_LED 0x0100 +#define SWITCH_REG_PORT1_LED 0x0104 +#define SWITCH_REG_PORT2_LED 0x0108 +#define SWITCH_REG_PORT3_LED 0x010C +#define SWITCH_REG_PORT4_LED 0x0110 + +#define SWITCH_PORTS_HW 0x3F /* Hardware Ports */ + +/* CPUP_CONF register bits */ +#define CPUP_CONF_DCPUP ( 1 << 0 ) /* Disable CPU port */ + +/* PORT_CONF0 register bits */ +#define PORT_CONF0_DP_SHIFT 0 /* disable port shift*/ + + +/* + * UART routines + */ + +#define UART_READ(r) READREG(UART_BASE+(r)) +#define UART_WRITE(r,v) WRITEREG(UART_BASE+(r),(v)) + +static void uart_init(void) +{ +#if 0 + unsigned int t; + + /* disable uart */ + UART_WRITE(UART_REG_CTRL, 0); + + /* keep current baud rate */ + t = UART_READ(UART_REG_LCRM); + UART_WRITE(UART_REG_LCRM, t); + t = UART_READ(UART_REG_LCRL); + UART_WRITE(UART_REG_LCRL, t); + + /* keep data, stop, and parity bits, but disable FIFO */ + t = UART_READ(UART_REG_LCRH); + t &= ~(UART_LCRH_FEN); + UART_WRITE(UART_REG_LCRH, t ); + + /* clear error bits */ + UART_WRITE(UART_REG_ECR, 0xFF); + + /* enable uart, and disable interrupts */ + UART_WRITE(UART_REG_CTRL, UART_CTRL_EN); +#endif +} + +/* + * INTC routines + */ + +#define INTC_READ(r) READREG(INTC_BASE+(r)) +#define INTC_WRITE(r,v) WRITEREG(INTC_BASE+(r),v) + +static void intc_init(void) +{ + INTC_WRITE(INTC_REG_IRQ_DISABLE, 0xFFFFFFFF); +} + +/* + * SWITCH routines + */ + +#define SWITCH_READ(r) READREG(SWITCH_BASE+(r)) +#define SWITCH_WRITE(r,v) WRITEREG(SWITCH_BASE+(r),v) + +static void switch_init(void) +{ + /* disable PHYS ports */ + SWITCH_WRITE(SWITCH_REG_PORT_CONF0, + (SWITCH_PORTS_HW << PORT_CONF0_DP_SHIFT)); + + /* disable CPU port */ + SWITCH_WRITE(SWITCH_REG_CPUP_CONF, CPUP_CONF_DCPUP); + + /* disable GPIO lines */ + SWITCH_WRITE(SWITCH_REG_GPIO_CONF0, 0); + SWITCH_WRITE(SWITCH_REG_GPIO_CONF2, 0); + + /* disable LED lines */ + SWITCH_WRITE(SWITCH_REG_PORT0_LED, 0); + SWITCH_WRITE(SWITCH_REG_PORT1_LED, 0); + SWITCH_WRITE(SWITCH_REG_PORT2_LED, 0); + SWITCH_WRITE(SWITCH_REG_PORT3_LED, 0); + SWITCH_WRITE(SWITCH_REG_PORT4_LED, 0); +} + +void board_putc(int ch) +{ + while ((UART_READ(UART_REG_FLAG) & UART_FLAG_TXFE) == 0); + + UART_WRITE(UART_REG_DATA, ch); + + while ((UART_READ(UART_REG_FLAG) & UART_FLAG_TXFE) == 0); +} + +void board_init(void) +{ + intc_init(); + switch_init(); + uart_init(); +} diff --git a/target/linux/adm5120/image/lzma-loader/src/config.h b/target/linux/adm5120/image/lzma-loader/src/config.h new file mode 100644 index 0000000000..310189c6d6 --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/config.h @@ -0,0 +1,119 @@ +#ifndef _CONFIG_H_ +#define _CONFIG_H_ + +#define FLASH_2M (2<<20) +#define FLASH_4M (4<<20) + +/* + * Cellvision/SparkLAN boards + */ + +#if defined(CONFIG_BOARD_CAS630) +# define CONFIG_BOARD_NAME "CAS-630" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_CAS670) +# define CONFIG_BOARD_NAME "CAS-670" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_CAS700) +# define CONFIG_BOARD_NAME "CAS-700" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_CAS790) +# define CONFIG_BOARD_NAME "CAS-790" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_CAS771) +# define CONFIG_BOARD_NAME "CAS-771" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_CAS861) +# define CONFIG_BOARD_NAME "CAS-861" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_NFS101U) +# define CONFIG_BOARD_NAME "NFS-101U" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_NFS202U) +# define CONFIG_BOARD_NAME "NFS-202U" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +/* + * Compex boards + */ +#if defined(CONFIG_BOARD_WP54GWRT) +# define CONFIG_BOARD_NAME "WP54G-WRT" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +/* + * Edimax boards + */ +#if defined(CONFIG_BOARD_BR6104K) +# define CONFIG_BOARD_NAME "BR-6104K" +# define CONFIG_FLASH_SIZE FLASH_2M +#endif + +#if defined(CONFIG_BOARD_BR6104KP) +# define CONFIG_BOARD_NAME "BR-6104KP" +# define CONFIG_FLASH_SIZE FLASH_2M +#endif + +/* + * Infineon boards + */ +#if defined(CONFIG_BOARD_EASY5120PATA) +# define CONFIG_BOARD_NAME "EASY 5120P-ATA" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_EASY5120RT) +# define CONFIG_BOARD_NAME "EASY 5120-RT" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_EASY5120WVOIP) +# define CONFIG_BOARD_NAME "EASY 5120-WVOIP" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_EASY83000) +# define CONFIG_BOARD_NAME "EASY 83000" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +/* + * ZyXEL boards + */ +#if defined(CONFIG_BOARD_P334WT) +# define CONFIG_BOARD_NAME "P-334WT" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +#if defined(CONFIG_BOARD_P335) +# define CONFIG_BOARD_NAME "P-335" +# define CONFIG_FLASH_SIZE FLASH_4M +#endif + +/* + * Default values + */ +#ifndef CONFIG_BOARD_NAME +# define CONFIG_BOARD_NAME "ADM5120" +#endif + +#ifndef CONFIG_FLASH_SIZE +# define CONFIG_FLASH_SIZE FLASH_2M +#endif + +#endif /* _CONFIG_H_ */ diff --git a/target/linux/adm5120/image/lzma-loader/src/decompress.c b/target/linux/adm5120/image/lzma-loader/src/decompress.c new file mode 100644 index 0000000000..9e2a04c994 --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/decompress.c @@ -0,0 +1,349 @@ +/* + * $Id$ + * + * LZMA compressed kernel decompressor for ADM5120 boards + * + * Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su> + * Copyright (C) 2007 OpenWrt.org + * + * 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 + * + * 24-Mar-2007 Gabor Juhos + * pass original values of the a0,a1,a2,a3 registers to the kernel + * + * 19-May-2007 Gabor Juhos + * endiannes related cleanups + * add support for decompressing an embedded kernel + * + */ + +#include <stddef.h> + +#include "config.h" +#include "printf.h" +#include "LzmaDecode.h" + +#define ADM5120_FLASH_START 0x1fc00000 /* Flash start */ +#define ADM5120_FLASH_END 0x1fe00000 /* Flash end */ + +#define KSEG0 0x80000000 +#define KSEG1 0xa0000000 + +#define KSEG1ADDR(a) ((((unsigned)(a)) & 0x1fffffffU) | KSEG1) + +#define Index_Invalidate_I 0x00 +#define Index_Writeback_Inv_D 0x01 + +#define cache_unroll(base,op) \ + __asm__ __volatile__( \ + ".set noreorder;\n" \ + ".set mips3;\n" \ + "cache %1, (%0);\n" \ + ".set mips0;\n" \ + ".set reorder\n" \ + : \ + : "r" (base), \ + "i" (op)); + +#ifdef LZMA_DEBUG +# define DBG(f, a...) printf(f, ## a) +#else +# define DBG(f, a...) do {} while (0) +#endif + +static __inline__ void blast_icache(unsigned long size, unsigned long lsize) +{ + unsigned long start = KSEG0; + unsigned long end = (start + size); + + while(start < end) { + cache_unroll(start,Index_Invalidate_I); + start += lsize; + } +} + +static __inline__ void blast_dcache(unsigned long size, unsigned long lsize) +{ + unsigned long start = KSEG0; + unsigned long end = (start + size); + + while(start < end) { + cache_unroll(start,Index_Writeback_Inv_D); + start += lsize; + } +} + +#define TRX_MAGIC 0x30524448 /* "HDR0" */ +#define TRX_ALIGN 0x1000 + +struct trx_header { + unsigned int magic; /* "HDR0" */ + unsigned int len; /* Length of file including header */ + unsigned int crc32; /* 32-bit CRC from flag_version to end of file */ + unsigned int flag_version; /* 0:15 flags, 16:31 version */ + unsigned int offsets[3]; /* Offsets of partitions from start of header */ +}; + +struct env_var { + char *name; + char *value; +}; + +/* beyound the image end, size not known in advance */ +extern unsigned char workspace[]; +extern void board_init(void); + +typedef void (*kernel_entry)(unsigned long reg_a0, unsigned long reg_a1, + unsigned long reg_a2, unsigned long reg_a3); + +static int decompress_data(unsigned char *buffer, UInt32 bufferSize, + int lc, int lp, int pb, unsigned char *outStream, UInt32 outSize, + UInt32 *outSizeProcessed); + +#ifdef CONFIG_PASS_KARGS +#define ENVV(n,v) {.name = (n), .value = (v)} +struct env_var env_vars[] = { + ENVV("board_name", CONFIG_BOARD_NAME), + ENVV(NULL, NULL) +}; +#endif + +static void halt(void) +{ + printf("\nSystem halted!\n"); + for(;;); +} + +#if LZMA_WRAPPER +extern unsigned char _lzma_data_start[]; +extern unsigned char _lzma_data_end[]; + +unsigned char *data; +unsigned long datalen; + +static __inline__ unsigned char get_byte(void) +{ + datalen--; + return *data++; +} + +static void decompress_init(void) +{ + data = _lzma_data_start; + datalen = _lzma_data_end - _lzma_data_start; +} + +static int decompress_data(unsigned char *buffer, UInt32 bufferSize, + int lc, int lp, int pb, unsigned char *outStream, UInt32 outSize, + UInt32 *outSizeProcessed) +{ + return LzmaDecode(buffer, bufferSize, lc, lp, pb, data, datalen, + outStream, outSize, outSizeProcessed); +} +#endif /* LZMA_WRAPPER */ + +#if !(LZMA_WRAPPER) + +#define FLASH_BANK_SIZE (2<<20) + +static unsigned char *flash_base = (unsigned char *) KSEG1ADDR(ADM5120_FLASH_START); +static unsigned long flash_ofs = 0; +static unsigned long flash_max = 0; +static unsigned long flash_ofs_mask = (FLASH_BANK_SIZE-1); + +static __inline__ unsigned char get_byte(void) +{ + return *(flash_base+flash_ofs++); +} + +static int lzma_read_byte(void *object, unsigned char **buffer, UInt32 *bufferSize) +{ + unsigned long len; + + if (flash_ofs >= flash_max) + return LZMA_RESULT_DATA_ERROR; + + len = flash_max-flash_ofs; + +#if (CONFIG_FLASH_SIZE > FLASH_BANK_SIZE) + if (flash_ofs < FLASH_BANK_SIZE) { + /* switch to bank 0 */ + DBG("lzma_read_byte: switch to bank 0\n"); + + if (len > FLASH_BANK_SIZE-flash_ofs) + len = FLASH_BANK_SIZE-flash_ofs; + } else { + /* switch to bank 1 */ + DBG("lzma_read_byte: switch to bank 1\n"); + } +#endif + DBG("lzma_read_byte: ofs=%08X, len=%08X\n", flash_ofs, len); + + *buffer = flash_base+(flash_ofs & flash_ofs_mask); + *bufferSize = len; + flash_ofs += len; + + return LZMA_RESULT_OK; +} + +static ILzmaInCallback lzma_callback = { + .Read = lzma_read_byte, +}; + +static __inline__ unsigned int read_le32(void *buf) +{ + unsigned char *p = buf; + + return ((unsigned int)p[0] + ((unsigned int)p[1] << 8) + + ((unsigned int)p[2] << 16) +((unsigned int)p[3] << 24)); +} + +static void decompress_init(void) +{ + struct trx_header *hdr = NULL; + unsigned long kofs,klen; + + printf("Looking for TRX header... "); + /* look for trx header, 32-bit data access */ + for (flash_ofs = 0; flash_ofs < FLASH_BANK_SIZE; flash_ofs += TRX_ALIGN) { + if (read_le32(&flash_base[flash_ofs]) == TRX_MAGIC) { + hdr = (struct trx_header *)&flash_base[flash_ofs]; + break; + } + } + + if (hdr == NULL) { + printf("not found!\n"); + /* no compressed kernel found, halting */ + halt(); + } + + /* compressed kernel is in the partition 0 or 1 */ + kofs = read_le32(&hdr->offsets[1]); + if (kofs == 0 || kofs > 65536) { + klen = kofs-read_le32(&hdr->offsets[0]); + kofs = read_le32(&hdr->offsets[0]); + } else { + klen = read_le32(&hdr->offsets[2]); + if (klen > kofs) + klen -= kofs; + else + klen = read_le32(&hdr->len)-kofs; + } + + printf("found at %08X, kernel:%08X len:%08X\n", flash_ofs, + kofs, klen); + + flash_ofs += kofs; + flash_max = flash_ofs+klen; +} + +static int decompress_data(unsigned char *buffer, UInt32 bufferSize, + int lc, int lp, int pb, unsigned char *outStream, UInt32 outSize, + UInt32 *outSizeProcessed) +{ + return LzmaDecode(buffer, bufferSize, lc, lp, pb, &lzma_callback, + outStream, outSize, outSizeProcessed); +} +#endif /* !(LZMA_WRAPPER) */ + +/* should be the first function */ +void decompress_entry(unsigned long reg_a0, unsigned long reg_a1, + unsigned long reg_a2, unsigned long reg_a3, + unsigned long icache_size, unsigned long icache_lsize, + unsigned long dcache_size, unsigned long dcache_lsize) +{ + unsigned int i; /* temp value */ + unsigned int lc; /* literal context bits */ + unsigned int lp; /* literal pos state bits */ + unsigned int pb; /* pos state bits */ + unsigned int osize; /* uncompressed size */ + int res; + + board_init(); + + printf("\n\nLZMA loader for " CONFIG_BOARD_NAME + ", Copyright (C) 2007 OpenWrt.org\n\n"); + + decompress_init(); + + /* lzma args */ + i = get_byte(); + lc = i % 9, i = i / 9; + lp = i % 5, pb = i / 5; + + /* skip rest of the LZMA coder property */ + for (i = 0; i < 4; i++) + get_byte(); + + /* read the lower half of uncompressed size in the header */ + osize = ((unsigned int)get_byte()) + + ((unsigned int)get_byte() << 8) + + ((unsigned int)get_byte() << 16) + + ((unsigned int)get_byte() << 24); + + /* skip rest of the header (upper half of uncompressed size) */ + for (i = 0; i < 4; i++) + get_byte(); + + printf("decompressing kernel... "); + + /* decompress kernel */ + res = decompress_data(workspace, ~0, lc, lp, pb, + (unsigned char *)LOADADDR, osize, &i); + + if (res != LZMA_RESULT_OK) { + printf("failed, "); + switch (res) { + case LZMA_RESULT_DATA_ERROR: + printf("data error!\n"); + break; + case LZMA_RESULT_NOT_ENOUGH_MEM: + printf("not enough memory!\n"); + break; + default: + printf("unknown error %d!\n", res); + } + halt(); + } else + printf("done!\n"); + + blast_dcache(dcache_size, dcache_lsize); + blast_icache(icache_size, icache_lsize); + + printf("launching kernel...\n\n"); + +#ifdef CONFIG_PASS_KARGS + reg_a0 = 0; + reg_a1 = 0; + reg_a2 = (unsigned long)env_vars; + reg_a3 = 0; +#endif + /* Jump to load address */ + ((kernel_entry) LOADADDR)(reg_a0, reg_a1, reg_a2, reg_a3); +} diff --git a/target/linux/adm5120/image/lzma-loader/src/head.S b/target/linux/adm5120/image/lzma-loader/src/head.S new file mode 100644 index 0000000000..ee8b3200cf --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/head.S @@ -0,0 +1,209 @@ +/* Copyright 2007 Gabor Juhos <juhosg@freemail.hu> */ +/* keep original values of the a0,a1,a2,a3 registers */ +/* modifed to support user defined entry point address */ +/* Copyright 2005 Oleg I. Vdovikin (oleg@cs.msu.su) */ +/* cache manipulation adapted from Broadcom code */ +/* idea taken from original bunzip2 decompressor code */ +/* Copyright 2004 Manuel Novoa III (mjn3@codepoet.org) */ +/* Licensed under the linux kernel's version of the GPL.*/ + +#include <asm/asm.h> +#include <asm/regdef.h> + +#define KSEG0 0x80000000 + +#define C0_STATUS $12 +#define C0_CAUSE $13 +#define C0_CONFIG $16 +#define C0_WATCHLO $18 +#define C0_WATCHHI $19 +#define C0_TAGLO $28 +#define C0_TAGHI $29 + +#define CONF1_DA_SHIFT 7 /* D$ associativity */ +#define CONF1_DA_MASK 0x00000380 +#define CONF1_DA_BASE 1 +#define CONF1_DL_SHIFT 10 /* D$ line size */ +#define CONF1_DL_MASK 0x00001c00 +#define CONF1_DL_BASE 2 +#define CONF1_DS_SHIFT 13 /* D$ sets/way */ +#define CONF1_DS_MASK 0x0000e000 +#define CONF1_DS_BASE 64 +#define CONF1_IA_SHIFT 16 /* I$ associativity */ +#define CONF1_IA_MASK 0x00070000 +#define CONF1_IA_BASE 1 +#define CONF1_IL_SHIFT 19 /* I$ line size */ +#define CONF1_IL_MASK 0x00380000 +#define CONF1_IL_BASE 2 +#define CONF1_IS_SHIFT 22 /* Instruction cache sets/way */ +#define CONF1_IS_MASK 0x01c00000 +#define CONF1_IS_BASE 64 + +#define Index_Invalidate_I 0x00 +#define Index_Writeback_Inv_D 0x01 + + .text + +#if (LZMA_STARTUP_ORG) + .set noreorder + + b startup + nop + + .org LZMA_STARTUP_ORG +#endif + +LEAF(startup) + .set noreorder + .set mips32 + + mtc0 zero, C0_WATCHLO # clear watch registers + mtc0 zero, C0_WATCHHI + + mtc0 zero, C0_CAUSE # clear before writing status register + + mfc0 t0, C0_STATUS # get status register + li t1, ~(0xFF01) + and t0, t1 # mask interrupts + mtc0 t0, C0_STATUS # set up status register + + move t1, ra # save return address + la t0, __reloc_label # get linked address of label + bal __reloc_label # branch and link to label to + nop # get actual address +__reloc_label: + subu t0, ra, t0 # get reloc_delta + move ra, t1 # restore return address + + beqz t0, __reloc_end # if delta is 0 we are in the right place + nop + + /* Copy our code to the right place */ + la t1, _code_start # get linked address of _code_start + la t2, _code_end # get linked address of _code_end + addu t0, t0, t1 # calculate actual address of _code_start + +__reloc_copy: + lw t3, 0(t0) + sw t3, 0(t1) + add t1, 4 + blt t1, t2, __reloc_copy + add t0, 4 + +__reloc_end: + + /* At this point we need to invalidate dcache and */ + /* icache before jumping to new code */ + +1: /* Get cache sizes */ + .set mips32 + mfc0 s0,C0_CONFIG,1 + .set mips0 + + li s1,CONF1_DL_MASK + and s1,s0 + beq s1,zero,nodc + nop + + srl s1,CONF1_DL_SHIFT + li t0,CONF1_DL_BASE + sll s1,t0,s1 /* s1 has D$ cache line size */ + + li s2,CONF1_DA_MASK + and s2,s0 + srl s2,CONF1_DA_SHIFT + addiu s2,CONF1_DA_BASE /* s2 now has D$ associativity */ + + li t0,CONF1_DS_MASK + and t0,s0 + srl t0,CONF1_DS_SHIFT + li s3,CONF1_DS_BASE + sll s3,s3,t0 /* s3 has D$ sets per way */ + + multu s2,s3 /* sets/way * associativity */ + mflo t0 /* total cache lines */ + + multu s1,t0 /* D$ linesize * lines */ + mflo s2 /* s2 is now D$ size in bytes */ + + /* Initilize the D$: */ + mtc0 zero,C0_TAGLO + mtc0 zero,C0_TAGHI + + li t0,KSEG0 /* Just an address for the first $ line */ + addu t1,t0,s2 /* + size of cache == end */ + + .set mips3 +1: cache Index_Writeback_Inv_D,0(t0) + .set mips0 + bne t0,t1,1b + addu t0,s1 + +nodc: + /* Now we get to do it all again for the I$ */ + + move s3,zero /* just in case there is no icache */ + move s4,zero + + li t0,CONF1_IL_MASK + and t0,s0 + beq t0,zero,noic + nop + + srl t0,CONF1_IL_SHIFT + li s3,CONF1_IL_BASE + sll s3,t0 /* s3 has I$ cache line size */ + + li t0,CONF1_IA_MASK + and t0,s0 + srl t0,CONF1_IA_SHIFT + addiu s4,t0,CONF1_IA_BASE /* s4 now has I$ associativity */ + + li t0,CONF1_IS_MASK + and t0,s0 + srl t0,CONF1_IS_SHIFT + li s5,CONF1_IS_BASE + sll s5,t0 /* s5 has I$ sets per way */ + + multu s4,s5 /* sets/way * associativity */ + mflo t0 /* s4 is now total cache lines */ + + multu s3,t0 /* I$ linesize * lines */ + mflo s4 /* s4 is cache size in bytes */ + + /* Initilize the I$: */ + mtc0 zero,C0_TAGLO + mtc0 zero,C0_TAGHI + + li t0,KSEG0 /* Just an address for the first $ line */ + addu t1,t0,s4 /* + size of cache == end */ + + .set mips3 +1: cache Index_Invalidate_I,0(t0) + .set mips0 + bne t0,t1,1b + addu t0,s3 + +noic: + /* Setup new "C" stack */ + la sp, _stack + + addiu sp, -32 /* reserve stack for parameters */ +#if 0 + sw a0, 0(sp) + sw a1, 4(sp) + sw a2, 8(sp) + sw a3, 12(sp) +#endif + sw s3, 16(sp) /* icache line size */ + sw s4, 20(sp) /* icache size */ + sw s1, 24(sp) /* dcache line size */ + sw s2, 28(sp) /* dcache size */ + + /* jump to the decompressor routine */ + la t0, decompress_entry + jr t0 + nop + + .set reorder +END(startup) diff --git a/target/linux/adm5120/image/lzma-loader/src/loader.lds b/target/linux/adm5120/image/lzma-loader/src/loader.lds new file mode 100644 index 0000000000..bae70fb6ea --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/loader.lds @@ -0,0 +1,29 @@ +OUTPUT_ARCH(mips) +SECTIONS { + .text : { + _code_start = .; + *(.text) + *(.text.*) + *(.rodata) + *(.rodata.*) + . = ALIGN(16); + *(.data.lzma) + } + + .data : { + *(.data) + *(.data.*) + } + _code_end = .; + + .bss : { + *(.bss) + *(.bss.*) + } + + . = ALIGN(16); + . = . + 8192; + _stack = .; + + workspace = .; +} diff --git a/target/linux/adm5120/image/lzma-loader/src/lzma-data.lds b/target/linux/adm5120/image/lzma-loader/src/lzma-data.lds new file mode 100644 index 0000000000..abf756ba13 --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/lzma-data.lds @@ -0,0 +1,8 @@ +OUTPUT_ARCH(mips) +SECTIONS { + .data.lzma : { + _lzma_data_start = .; + *(.data) + _lzma_data_end = .; + } +} diff --git a/target/linux/adm5120/image/lzma-loader/src/printf.c b/target/linux/adm5120/image/lzma-loader/src/printf.c new file mode 100644 index 0000000000..7bb5a86e18 --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/printf.c @@ -0,0 +1,350 @@ +/* + * Copyright (C) 2001 MontaVista Software Inc. + * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net + * + * 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. + * + */ + +#include "printf.h" + +extern void board_putc(int ch); + +/* this is the maximum width for a variable */ +#define LP_MAX_BUF 256 + +/* macros */ +#define IsDigit(x) ( ((x) >= '0') && ((x) <= '9') ) +#define Ctod(x) ( (x) - '0') + +/* forward declaration */ +static int PrintChar(char *, char, int, int); +static int PrintString(char *, char *, int, int); +static int PrintNum(char *, unsigned long, int, int, int, int, char, int); + +/* private variable */ +static const char theFatalMsg[] = "fatal error in lp_Print!"; + +/* -*- + * A low level printf() function. + */ +static void +lp_Print(void (*output)(void *, char *, int), + void * arg, + char *fmt, + va_list ap) +{ + +#define OUTPUT(arg, s, l) \ + { if (((l) < 0) || ((l) > LP_MAX_BUF)) { \ + (*output)(arg, (char*)theFatalMsg, sizeof(theFatalMsg)-1); for(;;); \ + } else { \ + (*output)(arg, s, l); \ + } \ + } + + char buf[LP_MAX_BUF]; + + char c; + char *s; + long int num; + + int longFlag; + int negFlag; + int width; + int prec; + int ladjust; + char padc; + + int length; + + for(;;) { + { + /* scan for the next '%' */ + char *fmtStart = fmt; + while ( (*fmt != '\0') && (*fmt != '%')) { + fmt ++; + } + + /* flush the string found so far */ + OUTPUT(arg, fmtStart, fmt-fmtStart); + + /* are we hitting the end? */ + if (*fmt == '\0') break; + } + + /* we found a '%' */ + fmt ++; + + /* check for long */ + if (*fmt == 'l') { + longFlag = 1; + fmt ++; + } else { + longFlag = 0; + } + + /* check for other prefixes */ + width = 0; + prec = -1; + ladjust = 0; + padc = ' '; + + if (*fmt == '-') { + ladjust = 1; + fmt ++; + } + + if (*fmt == '0') { + padc = '0'; + fmt++; + } + + if (IsDigit(*fmt)) { + while (IsDigit(*fmt)) { + width = 10 * width + Ctod(*fmt++); + } + } + + if (*fmt == '.') { + fmt ++; + if (IsDigit(*fmt)) { + prec = 0; + while (IsDigit(*fmt)) { + prec = prec*10 + Ctod(*fmt++); + } + } + } + + + /* check format flag */ + negFlag = 0; + switch (*fmt) { + case 'b': + if (longFlag) { + num = va_arg(ap, long int); + } else { + num = va_arg(ap, int); + } + length = PrintNum(buf, num, 2, 0, width, ladjust, padc, 0); + OUTPUT(arg, buf, length); + break; + + case 'd': + case 'D': + if (longFlag) { + num = va_arg(ap, long int); + } else { + num = va_arg(ap, int); + } + if (num < 0) { + num = - num; + negFlag = 1; + } + length = PrintNum(buf, num, 10, negFlag, width, ladjust, padc, 0); + OUTPUT(arg, buf, length); + break; + + case 'o': + case 'O': + if (longFlag) { + num = va_arg(ap, long int); + } else { + num = va_arg(ap, int); + } + length = PrintNum(buf, num, 8, 0, width, ladjust, padc, 0); + OUTPUT(arg, buf, length); + break; + + case 'u': + case 'U': + if (longFlag) { + num = va_arg(ap, long int); + } else { + num = va_arg(ap, int); + } + length = PrintNum(buf, num, 10, 0, width, ladjust, padc, 0); + OUTPUT(arg, buf, length); + break; + + case 'x': + if (longFlag) { + num = va_arg(ap, long int); + } else { + num = va_arg(ap, int); + } + length = PrintNum(buf, num, 16, 0, width, ladjust, padc, 0); + OUTPUT(arg, buf, length); + break; + + case 'X': + if (longFlag) { + num = va_arg(ap, long int); + } else { + num = va_arg(ap, int); + } + length = PrintNum(buf, num, 16, 0, width, ladjust, padc, 1); + OUTPUT(arg, buf, length); + break; + + case 'c': + c = (char)va_arg(ap, int); + length = PrintChar(buf, c, width, ladjust); + OUTPUT(arg, buf, length); + break; + + case 's': + s = (char*)va_arg(ap, char *); + length = PrintString(buf, s, width, ladjust); + OUTPUT(arg, buf, length); + break; + + case '\0': + fmt --; + break; + + default: + /* output this char as it is */ + OUTPUT(arg, fmt, 1); + } /* switch (*fmt) */ + + fmt ++; + } /* for(;;) */ + + /* special termination call */ + OUTPUT(arg, "\0", 1); +} + + +/* --------------- local help functions --------------------- */ +static int +PrintChar(char * buf, char c, int length, int ladjust) +{ + int i; + + if (length < 1) length = 1; + if (ladjust) { + *buf = c; + for (i=1; i< length; i++) buf[i] = ' '; + } else { + for (i=0; i< length-1; i++) buf[i] = ' '; + buf[length - 1] = c; + } + return length; +} + +static int +PrintString(char * buf, char* s, int length, int ladjust) +{ + int i; + int len=0; + char* s1 = s; + while (*s1++) len++; + if (length < len) length = len; + + if (ladjust) { + for (i=0; i< len; i++) buf[i] = s[i]; + for (i=len; i< length; i++) buf[i] = ' '; + } else { + for (i=0; i< length-len; i++) buf[i] = ' '; + for (i=length-len; i < length; i++) buf[i] = s[i-length+len]; + } + return length; +} + +static int +PrintNum(char * buf, unsigned long u, int base, int negFlag, + int length, int ladjust, char padc, int upcase) +{ + /* algorithm : + * 1. prints the number from left to right in reverse form. + * 2. fill the remaining spaces with padc if length is longer than + * the actual length + * TRICKY : if left adjusted, no "0" padding. + * if negtive, insert "0" padding between "0" and number. + * 3. if (!ladjust) we reverse the whole string including paddings + * 4. otherwise we only reverse the actual string representing the num. + */ + + int actualLength =0; + char *p = buf; + int i; + + do { + int tmp = u %base; + if (tmp <= 9) { + *p++ = '0' + tmp; + } else if (upcase) { + *p++ = 'A' + tmp - 10; + } else { + *p++ = 'a' + tmp - 10; + } + u /= base; + } while (u != 0); + + if (negFlag) { + *p++ = '-'; + } + + /* figure out actual length and adjust the maximum length */ + actualLength = p - buf; + if (length < actualLength) length = actualLength; + + /* add padding */ + if (ladjust) { + padc = ' '; + } + if (negFlag && !ladjust && (padc == '0')) { + for (i = actualLength-1; i< length-1; i++) buf[i] = padc; + buf[length -1] = '-'; + } else { + for (i = actualLength; i< length; i++) buf[i] = padc; + } + + + /* prepare to reverse the string */ + { + int begin = 0; + int end; + if (ladjust) { + end = actualLength - 1; + } else { + end = length -1; + } + + while (end > begin) { + char tmp = buf[begin]; + buf[begin] = buf[end]; + buf[end] = tmp; + begin ++; + end --; + } + } + + /* adjust the string pointer */ + return length; +} + +static void printf_output(void *arg, char *s, int l) +{ + int i; + + // special termination call + if ((l==1) && (s[0] == '\0')) return; + + for (i=0; i< l; i++) { + board_putc(s[i]); + if (s[i] == '\n') board_putc('\r'); + } +} + +void printf(char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + lp_Print(printf_output, 0, fmt, ap); + va_end(ap); +} diff --git a/target/linux/adm5120/image/lzma-loader/src/printf.h b/target/linux/adm5120/image/lzma-loader/src/printf.h new file mode 100644 index 0000000000..9b1c1df232 --- /dev/null +++ b/target/linux/adm5120/image/lzma-loader/src/printf.h @@ -0,0 +1,18 @@ +/* + * Copyright (C) 2001 MontaVista Software Inc. + * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net + * + * 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. + * + */ + +#ifndef _printf_h_ +#define _printf_h_ + +#include <stdarg.h> +void printf(char *fmt, ...); + +#endif /* _printf_h_ */ |