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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2006-01-31 02:32:29 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2006-01-31 02:32:29 +0000
commitce814c1c05dae77e9a265509ae0671ef145a9b38 (patch)
tree4c63bd906914018625f509e83f4cbf425ad68165 /target/linux/image/generic
parent269bbc843f5f5a013fd8c8650733ad232839bd06 (diff)
make aruba lzma loader more generic and move it to target/linux/image/generic/lzma-loader
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@3076 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/image/generic')
-rw-r--r--target/linux/image/generic/lzma-loader/Makefile36
-rw-r--r--target/linux/image/generic/lzma-loader/src/LzmaDecode.c590
-rw-r--r--target/linux/image/generic/lzma-loader/src/LzmaDecode.h131
-rw-r--r--target/linux/image/generic/lzma-loader/src/Makefile42
-rw-r--r--target/linux/image/generic/lzma-loader/src/decompress.c147
-rw-r--r--target/linux/image/generic/lzma-loader/src/lzma.lds.in23
-rw-r--r--target/linux/image/generic/lzma-loader/src/print.c324
-rw-r--r--target/linux/image/generic/lzma-loader/src/print.h36
-rw-r--r--target/linux/image/generic/lzma-loader/src/printf.c35
-rw-r--r--target/linux/image/generic/lzma-loader/src/printf.h18
-rw-r--r--target/linux/image/generic/lzma-loader/src/start.S136
-rw-r--r--target/linux/image/generic/lzma-loader/src/uart16550.c86
-rw-r--r--target/linux/image/generic/lzma-loader/src/uart16550.h47
13 files changed, 1651 insertions, 0 deletions
diff --git a/target/linux/image/generic/lzma-loader/Makefile b/target/linux/image/generic/lzma-loader/Makefile
new file mode 100644
index 0000000000..daa83535e9
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/Makefile
@@ -0,0 +1,36 @@
+# $Id: Makefile 1823 2005-09-01 20:07:42Z nbd $
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME := loader
+PKG_VERSION := 0.05
+
+PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME)-$(PKG_VERSION)
+
+$(PKG_BUILD_DIR)/.prepared:
+ mkdir $(PKG_BUILD_DIR)
+ cp -fpR ./src/* $(PKG_BUILD_DIR)/
+ touch $@
+
+$(PKG_BUILD_DIR)/lzma.elf: $(PKG_BUILD_DIR)/.prepared $(PKG_BUILD_DIR)/vmlinux.lzma
+ $(MAKE) -C $(PKG_BUILD_DIR) CC=$(TARGET_CC) \
+ LD=$(TARGET_CROSS)ld CROSS_COMPILE=$(TARGET_CROSS) \
+ RAMSIZE=$(RAMSIZE) \
+ LOADADDR=$(LOADADDR) \
+ KERNEL_ENTRY=$(KERNEL_ENTRY)
+
+
+$(PKG_BUILD_DIR)/vmlinux.lzma: $(KDIR)/vmlinux.lzma
+ cp $< $@
+
+$(KDIR)/loader.elf: $(PKG_BUILD_DIR)/lzma.elf
+ cp $< $@
+
+source:
+prepare: $(PKG_BUILD_DIR)/.prepared
+compile: $(KDIR)/loader.elf
+install:
+
+clean:
+ rm -rf $(PKG_BUILD_DIR)
+ rm -f $(KDIR)/loader.elf
diff --git a/target/linux/image/generic/lzma-loader/src/LzmaDecode.c b/target/linux/image/generic/lzma-loader/src/LzmaDecode.c
new file mode 100644
index 0000000000..aac5f60c09
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/LzmaDecode.c
@@ -0,0 +1,590 @@
+/*
+ LzmaDecode.c
+ LZMA Decoder (optimized for Speed version)
+
+ LZMA SDK 4.22 Copyright (c) 1999-2005 Igor Pavlov (2005-06-10)
+ http://www.7-zip.org/
+
+ LZMA SDK is licensed under two licenses:
+ 1) GNU Lesser General Public License (GNU LGPL)
+ 2) Common Public License (CPL)
+ It means that you can select one of these two licenses and
+ follow rules of that license.
+
+ SPECIAL EXCEPTION:
+ Igor Pavlov, as the author of this Code, expressly permits you to
+ statically or dynamically link your Code (or bind by name) to the
+ interfaces of this file without subjecting your linked Code to the
+ terms of the CPL or GNU LGPL. Any modifications or additions
+ to this file, however, are subject to the LGPL or CPL terms.
+*/
+
+#include "LzmaDecode.h"
+
+#ifndef Byte
+#define Byte unsigned char
+#endif
+
+#define kNumTopBits 24
+#define kTopValue ((UInt32)1 << kNumTopBits)
+
+#define kNumBitModelTotalBits 11
+#define kBitModelTotal (1 << kNumBitModelTotalBits)
+#define kNumMoveBits 5
+
+#define RC_READ_BYTE (*Buffer++)
+
+#define RC_INIT2 Code = 0; Range = 0xFFFFFFFF; \
+ { int i; for(i = 0; i < 5; i++) { RC_TEST; Code = (Code << 8) | RC_READ_BYTE; }}
+
+#ifdef _LZMA_IN_CB
+
+#define RC_TEST { if (Buffer == BufferLim) \
+ { SizeT size; int result = InCallback->Read(InCallback, &Buffer, &size); if (result != LZMA_RESULT_OK) return result; \
+ BufferLim = Buffer + size; if (size == 0) return LZMA_RESULT_DATA_ERROR; }}
+
+#define RC_INIT Buffer = BufferLim = 0; RC_INIT2
+
+#else
+
+#define RC_TEST { if (Buffer == BufferLim) return LZMA_RESULT_DATA_ERROR; }
+
+#define RC_INIT(buffer, bufferSize) Buffer = buffer; BufferLim = buffer + bufferSize; RC_INIT2
+
+#endif
+
+#define RC_NORMALIZE if (Range < kTopValue) { RC_TEST; Range <<= 8; Code = (Code << 8) | RC_READ_BYTE; }
+
+#define IfBit0(p) RC_NORMALIZE; bound = (Range >> kNumBitModelTotalBits) * *(p); if (Code < bound)
+#define UpdateBit0(p) Range = bound; *(p) += (kBitModelTotal - *(p)) >> kNumMoveBits;
+#define UpdateBit1(p) Range -= bound; Code -= bound; *(p) -= (*(p)) >> kNumMoveBits;
+
+#define RC_GET_BIT2(p, mi, A0, A1) IfBit0(p) \
+ { UpdateBit0(p); mi <<= 1; A0; } else \
+ { UpdateBit1(p); mi = (mi + mi) + 1; A1; }
+
+#define RC_GET_BIT(p, mi) RC_GET_BIT2(p, mi, ; , ;)
+
+#define RangeDecoderBitTreeDecode(probs, numLevels, res) \
+ { int i = numLevels; res = 1; \
+ do { CProb *p = probs + res; RC_GET_BIT(p, res) } while(--i != 0); \
+ res -= (1 << numLevels); }
+
+
+#define kNumPosBitsMax 4
+#define kNumPosStatesMax (1 << kNumPosBitsMax)
+
+#define kLenNumLowBits 3
+#define kLenNumLowSymbols (1 << kLenNumLowBits)
+#define kLenNumMidBits 3
+#define kLenNumMidSymbols (1 << kLenNumMidBits)
+#define kLenNumHighBits 8
+#define kLenNumHighSymbols (1 << kLenNumHighBits)
+
+#define LenChoice 0
+#define LenChoice2 (LenChoice + 1)
+#define LenLow (LenChoice2 + 1)
+#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits))
+#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits))
+#define kNumLenProbs (LenHigh + kLenNumHighSymbols)
+
+
+#define kNumStates 12
+#define kNumLitStates 7
+
+#define kStartPosModelIndex 4
+#define kEndPosModelIndex 14
+#define kNumFullDistances (1 << (kEndPosModelIndex >> 1))
+
+#define kNumPosSlotBits 6
+#define kNumLenToPosStates 4
+
+#define kNumAlignBits 4
+#define kAlignTableSize (1 << kNumAlignBits)
+
+#define kMatchMinLen 2
+
+#define IsMatch 0
+#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax))
+#define IsRepG0 (IsRep + kNumStates)
+#define IsRepG1 (IsRepG0 + kNumStates)
+#define IsRepG2 (IsRepG1 + kNumStates)
+#define IsRep0Long (IsRepG2 + kNumStates)
+#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax))
+#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits))
+#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex)
+#define LenCoder (Align + kAlignTableSize)
+#define RepLenCoder (LenCoder + kNumLenProbs)
+#define Literal (RepLenCoder + kNumLenProbs)
+
+#if Literal != LZMA_BASE_SIZE
+StopCompilingDueBUG
+#endif
+
+#if 0
+int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size)
+{
+ unsigned char prop0;
+ if (size < LZMA_PROPERTIES_SIZE)
+ return LZMA_RESULT_DATA_ERROR;
+ prop0 = propsData[0];
+ if (prop0 >= (9 * 5 * 5))
+ return LZMA_RESULT_DATA_ERROR;
+ {
+ for (propsRes->pb = 0; prop0 >= (9 * 5); propsRes->pb++, prop0 -= (9 * 5));
+ for (propsRes->lp = 0; prop0 >= 9; propsRes->lp++, prop0 -= 9);
+ propsRes->lc = prop0;
+ /*
+ unsigned char remainder = (unsigned char)(prop0 / 9);
+ propsRes->lc = prop0 % 9;
+ propsRes->pb = remainder / 5;
+ propsRes->lp = remainder % 5;
+ */
+ }
+
+ #ifdef _LZMA_OUT_READ
+ {
+ int i;
+ propsRes->DictionarySize = 0;
+ for (i = 0; i < 4; i++)
+ propsRes->DictionarySize += (UInt32)(propsData[1 + i]) << (i * 8);
+ if (propsRes->DictionarySize == 0)
+ propsRes->DictionarySize = 1;
+ }
+ #endif
+ return LZMA_RESULT_OK;
+}
+#endif
+
+#define kLzmaStreamWasFinishedId (-1)
+
+int LzmaDecode(CLzmaDecoderState *vs,
+ #ifdef _LZMA_IN_CB
+ ILzmaInCallback *InCallback,
+ #else
+ const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed,
+ #endif
+ unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed)
+{
+ CProb *p = vs->Probs;
+ SizeT nowPos = 0;
+ Byte previousByte = 0;
+ UInt32 posStateMask = (1 << (vs->Properties.pb)) - 1;
+ UInt32 literalPosMask = (1 << (vs->Properties.lp)) - 1;
+ int lc = vs->Properties.lc;
+
+ #ifdef _LZMA_OUT_READ
+
+ UInt32 Range = vs->Range;
+ UInt32 Code = vs->Code;
+ #ifdef _LZMA_IN_CB
+ const Byte *Buffer = vs->Buffer;
+ const Byte *BufferLim = vs->BufferLim;
+ #else
+ const Byte *Buffer = inStream;
+ const Byte *BufferLim = inStream + inSize;
+ #endif
+ int state = vs->State;
+ UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3];
+ int len = vs->RemainLen;
+ UInt32 globalPos = vs->GlobalPos;
+ UInt32 distanceLimit = vs->DistanceLimit;
+
+ Byte *dictionary = vs->Dictionary;
+ UInt32 dictionarySize = vs->Properties.DictionarySize;
+ UInt32 dictionaryPos = vs->DictionaryPos;
+
+ Byte tempDictionary[4];
+
+ #ifndef _LZMA_IN_CB
+ *inSizeProcessed = 0;
+ #endif
+ *outSizeProcessed = 0;
+ if (len == kLzmaStreamWasFinishedId)
+ return LZMA_RESULT_OK;
+
+ if (dictionarySize == 0)
+ {
+ dictionary = tempDictionary;
+ dictionarySize = 1;
+ tempDictionary[0] = vs->TempDictionary[0];
+ }
+
+ if (len == kLzmaNeedInitId)
+ {
+ {
+ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
+ UInt32 i;
+ for (i = 0; i < numProbs; i++)
+ p[i] = kBitModelTotal >> 1;
+ rep0 = rep1 = rep2 = rep3 = 1;
+ state = 0;
+ globalPos = 0;
+ distanceLimit = 0;
+ dictionaryPos = 0;
+ dictionary[dictionarySize - 1] = 0;
+ #ifdef _LZMA_IN_CB
+ RC_INIT;
+ #else
+ RC_INIT(inStream, inSize);
+ #endif
+ }
+ len = 0;
+ }
+ while(len != 0 && nowPos < outSize)
+ {
+ UInt32 pos = dictionaryPos - rep0;
+ if (pos >= dictionarySize)
+ pos += dictionarySize;
+ outStream[nowPos++] = dictionary[dictionaryPos] = dictionary[pos];
+ if (++dictionaryPos == dictionarySize)
+ dictionaryPos = 0;
+ len--;
+ }
+ if (dictionaryPos == 0)
+ previousByte = dictionary[dictionarySize - 1];
+ else
+ previousByte = dictionary[dictionaryPos - 1];
+
+ #else /* if !_LZMA_OUT_READ */
+
+ int state = 0;
+ UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1;
+ int len = 0;
+ const Byte *Buffer;
+ const Byte *BufferLim;
+ UInt32 Range;
+ UInt32 Code;
+
+ #ifndef _LZMA_IN_CB
+ *inSizeProcessed = 0;
+ #endif
+ *outSizeProcessed = 0;
+
+ {
+ UInt32 i;
+ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
+ for (i = 0; i < numProbs; i++)
+ p[i] = kBitModelTotal >> 1;
+ }
+
+ #ifdef _LZMA_IN_CB
+ RC_INIT;
+ #else
+ RC_INIT(inStream, inSize);
+ #endif
+
+ #endif /* _LZMA_OUT_READ */
+
+ while(nowPos < outSize)
+ {
+ CProb *prob;
+ UInt32 bound;
+ int posState = (int)(
+ (nowPos
+ #ifdef _LZMA_OUT_READ
+ + globalPos
+ #endif
+ )
+ & posStateMask);
+
+ prob = p + IsMatch + (state << kNumPosBitsMax) + posState;
+ IfBit0(prob)
+ {
+ int symbol = 1;
+ UpdateBit0(prob)
+ prob = p + Literal + (LZMA_LIT_SIZE *
+ (((
+ (nowPos
+ #ifdef _LZMA_OUT_READ
+ + globalPos
+ #endif
+ )
+ & literalPosMask) << lc) + (previousByte >> (8 - lc))));
+
+ if (state >= kNumLitStates)
+ {
+ int matchByte;
+ #ifdef _LZMA_OUT_READ
+ UInt32 pos = dictionaryPos - rep0;
+ if (pos >= dictionarySize)
+ pos += dictionarySize;
+ matchByte = dictionary[pos];
+ #else
+ matchByte = outStream[nowPos - rep0];
+ #endif
+ do
+ {
+ int bit;
+ CProb *probLit;
+ matchByte <<= 1;
+ bit = (matchByte & 0x100);
+ probLit = prob + 0x100 + bit + symbol;
+ RC_GET_BIT2(probLit, symbol, if (bit != 0) break, if (bit == 0) break)
+ }
+ while (symbol < 0x100);
+ }
+ while (symbol < 0x100)
+ {
+ CProb *probLit = prob + symbol;
+ RC_GET_BIT(probLit, symbol)
+ }
+ previousByte = (Byte)symbol;
+
+ outStream[nowPos++] = previousByte;
+ #ifdef _LZMA_OUT_READ
+ if (distanceLimit < dictionarySize)
+ distanceLimit++;
+
+ dictionary[dictionaryPos] = previousByte;
+ if (++dictionaryPos == dictionarySize)
+ dictionaryPos = 0;
+ #endif
+ if (state < 4) state = 0;
+ else if (state < 10) state -= 3;
+ else state -= 6;
+ }
+ else
+ {
+ UpdateBit1(prob);
+ prob = p + IsRep + state;
+ IfBit0(prob)
+ {
+ UpdateBit0(prob);
+ rep3 = rep2;
+ rep2 = rep1;
+ rep1 = rep0;
+ state = state < kNumLitStates ? 0 : 3;
+ prob = p + LenCoder;
+ }
+ else
+ {
+ UpdateBit1(prob);
+ prob = p + IsRepG0 + state;
+ IfBit0(prob)
+ {
+ UpdateBit0(prob);
+ prob = p + IsRep0Long + (state << kNumPosBitsMax) + posState;
+ IfBit0(prob)
+ {
+ #ifdef _LZMA_OUT_READ
+ UInt32 pos;
+ #endif
+ UpdateBit0(prob);
+
+ #ifdef _LZMA_OUT_READ
+ if (distanceLimit == 0)
+ #else
+ if (nowPos == 0)
+ #endif
+ return LZMA_RESULT_DATA_ERROR;
+
+ state = state < kNumLitStates ? 9 : 11;
+ #ifdef _LZMA_OUT_READ
+ pos = dictionaryPos - rep0;
+ if (pos >= dictionarySize)
+ pos += dictionarySize;
+ previousByte = dictionary[pos];
+ dictionary[dictionaryPos] = previousByte;
+ if (++dictionaryPos == dictionarySize)
+ dictionaryPos = 0;
+ #else
+ previousByte = outStream[nowPos - rep0];
+ #endif
+ outStream[nowPos++] = previousByte;
+ #ifdef _LZMA_OUT_READ
+ if (distanceLimit < dictionarySize)
+ distanceLimit++;
+ #endif
+
+ continue;
+ }
+ else
+ {
+ UpdateBit1(prob);
+ }
+ }
+ else
+ {
+ UInt32 distance;
+ UpdateBit1(prob);
+ prob = p + IsRepG1 + state;
+ IfBit0(prob)
+ {
+ UpdateBit0(prob);
+ distance = rep1;
+ }
+ else
+ {
+ UpdateBit1(prob);
+ prob = p + IsRepG2 + state;
+ IfBit0(prob)
+ {
+ UpdateBit0(prob);
+ distance = rep2;
+ }
+ else
+ {
+ UpdateBit1(prob);
+ distance = rep3;
+ rep3 = rep2;
+ }
+ rep2 = rep1;
+ }
+ rep1 = rep0;
+ rep0 = distance;
+ }
+ state = state < kNumLitStates ? 8 : 11;
+ prob = p + RepLenCoder;
+ }
+ {
+ int numBits, offset;
+ CProb *probLen = prob + LenChoice;
+ IfBit0(probLen)
+ {
+ UpdateBit0(probLen);
+ probLen = prob + LenLow + (posState << kLenNumLowBits);
+ offset = 0;
+ numBits = kLenNumLowBits;
+ }
+ else
+ {
+ UpdateBit1(probLen);
+ probLen = prob + LenChoice2;
+ IfBit0(probLen)
+ {
+ UpdateBit0(probLen);
+ probLen = prob + LenMid + (posState << kLenNumMidBits);
+ offset = kLenNumLowSymbols;
+ numBits = kLenNumMidBits;
+ }
+ else
+ {
+ UpdateBit1(probLen);
+ probLen = prob + LenHigh;
+ offset = kLenNumLowSymbols + kLenNumMidSymbols;
+ numBits = kLenNumHighBits;
+ }
+ }
+ RangeDecoderBitTreeDecode(probLen, numBits, len);
+ len += offset;
+ }
+
+ if (state < 4)
+ {
+ int posSlot;
+ state += kNumLitStates;
+ prob = p + PosSlot +
+ ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) <<
+ kNumPosSlotBits);
+ RangeDecoderBitTreeDecode(prob, kNumPosSlotBits, posSlot);
+ if (posSlot >= kStartPosModelIndex)
+ {
+ int numDirectBits = ((posSlot >> 1) - 1);
+ rep0 = (2 | ((UInt32)posSlot & 1));
+ if (posSlot < kEndPosModelIndex)
+ {
+ rep0 <<= numDirectBits;
+ prob = p + SpecPos + rep0 - posSlot - 1;
+ }
+ else
+ {
+ numDirectBits -= kNumAlignBits;
+ do
+ {
+ RC_NORMALIZE
+ Range >>= 1;
+ rep0 <<= 1;
+ if (Code >= Range)
+ {
+ Code -= Range;
+ rep0 |= 1;
+ }
+ }
+ while (--numDirectBits != 0);
+ prob = p + Align;
+ rep0 <<= kNumAlignBits;
+ numDirectBits = kNumAlignBits;
+ }
+ {
+ int i = 1;
+ int mi = 1;
+ do
+ {
+ CProb *prob3 = prob + mi;
+ RC_GET_BIT2(prob3, mi, ; , rep0 |= i);
+ i <<= 1;
+ }
+ while(--numDirectBits != 0);
+ }
+ }
+ else
+ rep0 = posSlot;
+ if (++rep0 == (UInt32)(0))
+ {
+ /* it's for stream version */
+ len = kLzmaStreamWasFinishedId;
+ break;
+ }
+ }
+
+ len += kMatchMinLen;
+ #ifdef _LZMA_OUT_READ
+ if (rep0 > distanceLimit)
+ #else
+ if (rep0 > nowPos)
+ #endif
+ return LZMA_RESULT_DATA_ERROR;
+
+ #ifdef _LZMA_OUT_READ
+ if (dictionarySize - distanceLimit > (UInt32)len)
+ distanceLimit += len;
+ else
+ distanceLimit = dictionarySize;
+ #endif
+
+ do
+ {
+ #ifdef _LZMA_OUT_READ
+ UInt32 pos = dictionaryPos - rep0;
+ if (pos >= dictionarySize)
+ pos += dictionarySize;
+ previousByte = dictionary[pos];
+ dictionary[dictionaryPos] = previousByte;
+ if (++dictionaryPos == dictionarySize)
+ dictionaryPos = 0;
+ #else
+ previousByte = outStream[nowPos - rep0];
+ #endif
+ len--;
+ outStream[nowPos++] = previousByte;
+ }
+ while(len != 0 && nowPos < outSize);
+ }
+ }
+ RC_NORMALIZE;
+
+ #ifdef _LZMA_OUT_READ
+ vs->Range = Range;
+ vs->Code = Code;
+ vs->DictionaryPos = dictionaryPos;
+ vs->GlobalPos = globalPos + (UInt32)nowPos;
+ vs->DistanceLimit = distanceLimit;
+ vs->Reps[0] = rep0;
+ vs->Reps[1] = rep1;
+ vs->Reps[2] = rep2;
+ vs->Reps[3] = rep3;
+ vs->State = state;
+ vs->RemainLen = len;
+ vs->TempDictionary[0] = tempDictionary[0];
+ #endif
+
+ #ifdef _LZMA_IN_CB
+ vs->Buffer = Buffer;
+ vs->BufferLim = BufferLim;
+ #else
+ *inSizeProcessed = (SizeT)(Buffer - inStream);
+ #endif
+ *outSizeProcessed = nowPos;
+ return LZMA_RESULT_OK;
+}
diff --git a/target/linux/image/generic/lzma-loader/src/LzmaDecode.h b/target/linux/image/generic/lzma-loader/src/LzmaDecode.h
new file mode 100644
index 0000000000..35e37ed0df
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/LzmaDecode.h
@@ -0,0 +1,131 @@
+/*
+ LzmaDecode.h
+ LZMA Decoder interface
+
+ LZMA SDK 4.21 Copyright (c) 1999-2005 Igor Pavlov (2005-06-08)
+ http://www.7-zip.org/
+
+ LZMA SDK is licensed under two licenses:
+ 1) GNU Lesser General Public License (GNU LGPL)
+ 2) Common Public License (CPL)
+ It means that you can select one of these two licenses and
+ follow rules of that license.
+
+ SPECIAL EXCEPTION:
+ Igor Pavlov, as the author of this code, expressly permits you to
+ statically or dynamically link your code (or bind by name) to the
+ interfaces of this file without subjecting your linked code to the
+ terms of the CPL or GNU LGPL. Any modifications or additions
+ to this file, however, are subject to the LGPL or CPL terms.
+*/
+
+#ifndef __LZMADECODE_H
+#define __LZMADECODE_H
+
+/* #define _LZMA_IN_CB */
+/* Use callback for input data */
+
+/* #define _LZMA_OUT_READ */
+/* Use read function for output data */
+
+/* #define _LZMA_PROB32 */
+/* It can increase speed on some 32-bit CPUs,
+ but memory usage will be doubled in that case */
+
+/* #define _LZMA_LOC_OPT */
+/* Enable local speed optimizations inside code */
+
+/* #define _LZMA_SYSTEM_SIZE_T */
+/* Use system's size_t. You can use it to enable 64-bit sizes supporting*/
+
+#ifndef UInt32
+#ifdef _LZMA_UINT32_IS_ULONG
+#define UInt32 unsigned long
+#else
+#define UInt32 unsigned int
+#endif
+#endif
+
+#ifndef SizeT
+#ifdef _LZMA_SYSTEM_SIZE_T
+#include <stddef.h>
+#define SizeT size_t
+#else
+#define SizeT UInt32
+#endif
+#endif
+
+#ifdef _LZMA_PROB32
+#define CProb UInt32
+#else
+#define CProb unsigned short
+#endif
+
+#define LZMA_RESULT_OK 0
+#define LZMA_RESULT_DATA_ERROR 1
+
+#ifdef _LZMA_IN_CB
+typedef struct _ILzmaInCallback
+{
+ int (*Read)(void *object, const unsigned char **buffer, SizeT *bufferSize);
+} ILzmaInCallback;
+#endif
+
+#define LZMA_BASE_SIZE 1846
+#define LZMA_LIT_SIZE 768
+
+#define LZMA_PROPERTIES_SIZE 5
+
+typedef struct _CLzmaProperties
+{
+ int lc;
+ int lp;
+ int pb;
+ #ifdef _LZMA_OUT_READ
+ UInt32 DictionarySize;
+ #endif
+}CLzmaProperties;
+
+int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size);
+
+#define LzmaGetNumProbs(Properties) (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << ((Properties)->lc + (Properties)->lp)))
+
+#define kLzmaNeedInitId (-2)
+
+typedef struct _CLzmaDecoderState
+{
+ CLzmaProperties Properties;
+ CProb *Probs;
+
+ #ifdef _LZMA_IN_CB
+ const unsigned char *Buffer;
+ const unsigned char *BufferLim;
+ #endif
+
+ #ifdef _LZMA_OUT_READ
+ unsigned char *Dictionary;
+ UInt32 Range;
+ UInt32 Code;
+ UInt32 DictionaryPos;
+ UInt32 GlobalPos;
+ UInt32 DistanceLimit;
+ UInt32 Reps[4];
+ int State;
+ int RemainLen;
+ unsigned char TempDictionary[4];
+ #endif
+} CLzmaDecoderState;
+
+#ifdef _LZMA_OUT_READ
+#define LzmaDecoderInit(vs) { (vs)->RemainLen = kLzmaNeedInitId; }
+#endif
+
+int LzmaDecode(CLzmaDecoderState *vs,
+ #ifdef _LZMA_IN_CB
+ ILzmaInCallback *inCallback,
+ #else
+ const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed,
+ #endif
+ unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed);
+
+#endif
diff --git a/target/linux/image/generic/lzma-loader/src/Makefile b/target/linux/image/generic/lzma-loader/src/Makefile
new file mode 100644
index 0000000000..8dfd76a6a2
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/Makefile
@@ -0,0 +1,42 @@
+LOADADDR = 0x80400000 # RAM start + 4M
+KERNEL_ENTRY = 0x80001000
+RAMSIZE = 0x00100000 # 1MB
+
+CROSS_COMPILE = mips-linux-
+
+.S.s:
+ $(CPP) $(CFLAGS) $< -o $*.s
+.S.o:
+ $(CC) $(CFLAGS) -c $< -o $*.o
+.c.o:
+ $(CC) $(CFLAGS) -c $< -o $*.o
+
+CC = $(CROSS_COMPILE)gcc
+LD = $(CROSS_COMPILE)ld
+OBJCOPY = $(CROSS_COMPILE)objcopy
+OBJDUMP = $(CROSS_COMPILE)objdump
+
+CFLAGS = -fno-builtin -Os -G 0 -mno-abicalls -fno-pic -Wall -DRAMSIZE=${RAMSIZE} -DKERNEL_ENTRY=${KERNEL_ENTRY} -D_LZMA_IN_CB
+# CFLAGS = -fno-builtin -Os -G 0 -mno-abicalls -fno-pic -Wall -DRAMSIZE=${RAMSIZE}
+
+O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32)
+
+# Drop some uninteresting sections in the kernel.
+# This is only relevant for ELF kernels but doesn't hurt a.out
+drop-sections = .reginfo .mdebug .comment
+strip-flags = $(addprefix --remove-section=,$(drop-sections))
+
+
+all : lzma.elf
+
+lzma.lds: lzma.lds.in
+ sed -e 's,@LOADADDR@,$(LOADADDR),g' $< >$@
+
+kernel.o: vmlinux.lzma lzma.lds
+ $(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $<
+
+lzma.elf: start.o decompress.o LzmaDecode.o kernel.o
+ $(LD) -s -Tlzma.lds -o $@ $^
+
+clean:
+ rm -f *.o lzma.elf
diff --git a/target/linux/image/generic/lzma-loader/src/decompress.c b/target/linux/image/generic/lzma-loader/src/decompress.c
new file mode 100644
index 0000000000..f602276ddc
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/decompress.c
@@ -0,0 +1,147 @@
+/*
+ * LZMA compressed kernel decompressor for bcm947xx boards
+ *
+ * Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *
+ * Please note, this was code based on the bunzip2 decompressor code
+ * by Manuel Novoa III (mjn3@codepoet.org), although the only thing left
+ * is an idea and part of original vendor code
+ *
+ *
+ * 12-Mar-2005 Mineharu Takahara <mtakahar@yahoo.com>
+ * pass actual output size to decoder (stream mode
+ * compressed input is not a requirement anymore)
+ *
+ * 24-Apr-2005 Oleg I. Vdovikin
+ * reordered functions using lds script, removed forward decl
+ *
+ * ??-Nov-2005 Mike Baker
+ * reorder the script as an lzma wrapper; do not depend on flash access
+ */
+
+#include "LzmaDecode.h"
+
+#define KSEG0 0x80000000
+#define KSEG1 0xa0000000
+
+#define KSEG1ADDR(a) ((((unsigned)(a)) & 0x1fffffffU) | KSEG1)
+
+#define Index_Invalidate_I 0x00
+#define Index_Writeback_Inv_D 0x01
+
+#define cache_unroll(base,op) \
+ __asm__ __volatile__( \
+ ".set noreorder;\n" \
+ ".set mips3;\n" \
+ "cache %1, (%0);\n" \
+ ".set mips0;\n" \
+ ".set reorder\n" \
+ : \
+ : "r" (base), \
+ "i" (op));
+
+
+static __inline__ void blast_icache(unsigned long size, unsigned long lsize)
+{
+ unsigned long start = KSEG0;
+ unsigned long end = (start + size);
+
+ while(start < end) {
+ cache_unroll(start,Index_Invalidate_I);
+ start += lsize;
+ }
+}
+
+static __inline__ void blast_dcache(unsigned long size, unsigned long lsize)
+{
+ unsigned long start = KSEG0;
+ unsigned long end = (start + size);
+
+ while(start < end) {
+ cache_unroll(start,Index_Writeback_Inv_D);
+ start += lsize;
+ }
+}
+
+unsigned char *data;
+
+static int read_byte(void *object, unsigned char **buffer, UInt32 *bufferSize)
+{
+ *bufferSize = 1;
+ *buffer = data;
+ ++data;
+ return LZMA_RESULT_OK;
+}
+
+static __inline__ unsigned char get_byte(void)
+{
+ unsigned char *buffer;
+ UInt32 fake;
+
+ return read_byte(0, &buffer, &fake), *buffer;
+}
+
+static char *buffer = (char *)0x80C00000;
+extern char lzma_start[];
+extern char lzma_end[];
+
+/* should be the first function */
+void entry(unsigned long icache_size, unsigned long icache_lsize,
+ unsigned long dcache_size, unsigned long dcache_lsize)
+{
+ unsigned int i; /* temp value */
+ unsigned int osize; /* uncompressed size */
+
+ ILzmaInCallback callback;
+ CLzmaDecoderState vs;
+ callback.Read = read_byte;
+
+ data = lzma_start;
+
+ /* lzma args */
+ i = get_byte();
+ vs.Properties.lc = i % 9, i = i / 9;
+ vs.Properties.lp = i % 5, vs.Properties.pb = i / 5;
+
+ vs.Probs = (CProb *)buffer;
+
+ /* skip rest of the LZMA coder property */
+ for (i = 0; i < 4; i++)
+ get_byte();
+
+ /* read the lower half of uncompressed size in the header */
+ osize = ((unsigned int)get_byte()) +
+ ((unsigned int)get_byte() << 8) +
+ ((unsigned int)get_byte() << 16) +
+ ((unsigned int)get_byte() << 24);
+
+ /* skip rest of the header (upper half of uncompressed size) */
+ for (i = 0; i < 4; i++)
+ get_byte();
+
+ /* decompress kernel */
+ if ((i = LzmaDecode(&vs, &callback,
+ (unsigned char*)KERNEL_ENTRY, osize, &osize)) == LZMA_RESULT_OK)
+ {
+ blast_dcache(dcache_size, dcache_lsize);
+ blast_icache(icache_size, icache_lsize);
+
+ /* Jump to load address */
+ ((void (*)(void)) KERNEL_ENTRY)();
+ }
+}
diff --git a/target/linux/image/generic/lzma-loader/src/lzma.lds.in b/target/linux/image/generic/lzma-loader/src/lzma.lds.in
new file mode 100644
index 0000000000..5ac555bf7d
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/lzma.lds.in
@@ -0,0 +1,23 @@
+OUTPUT_ARCH(mips)
+ENTRY(_start)
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = @LOADADDR@;
+ .text :
+ {
+ _ftext = . ;
+ *(.text)
+ *(.rodata)
+ lzma_start = .;
+ kernel.o
+ lzma_end = .;
+ } =0
+
+ .reginfo : { *(.reginfo) }
+
+ .bss :
+ {
+ *(.bss)
+ }
+}
diff --git a/target/linux/image/generic/lzma-loader/src/print.c b/target/linux/image/generic/lzma-loader/src/print.c
new file mode 100644
index 0000000000..950687beff
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/print.c
@@ -0,0 +1,324 @@
+/*
+ * 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 "print.h"
+
+/* macros */
+#define IsDigit(x) ( ((x) >= '0') && ((x) <= '9') )
+#define Ctod(x) ( (x) - '0')
+
+/* forward declaration */
+extern int PrintChar(char *, char, int, int);
+extern int PrintString(char *, char *, int, int);
+extern 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.
+ */
+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 --------------------- */
+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;
+}
+
+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;
+}
+
+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;
+}
diff --git a/target/linux/image/generic/lzma-loader/src/print.h b/target/linux/image/generic/lzma-loader/src/print.h
new file mode 100644
index 0000000000..b051463909
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/print.h
@@ -0,0 +1,36 @@
+/*
+ * 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 _print_h_
+#define _print_h_
+
+#include <stdarg.h>
+
+/* this is the maximum width for a variable */
+#define LP_MAX_BUF 80
+
+/* -*-
+ * output function takes an void pointer which is passed in as the
+ * second argument in lp_Print(). This black-box argument gives output
+ * function a way to track state.
+ *
+ * The second argument in output function is a pointer to char buffer.
+ * The third argument specifies the number of chars to outputed.
+ *
+ * output function cannot assume the buffer is null-terminated after
+ * l number of chars.
+ */
+void lp_Print(void (*output)(void *, char *, int),
+ void * arg,
+ char *fmt,
+ va_list ap);
+
+#endif
diff --git a/target/linux/image/generic/lzma-loader/src/printf.c b/target/linux/image/generic/lzma-loader/src/printf.c
new file mode 100644
index 0000000000..49bd50d7c7
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/printf.c
@@ -0,0 +1,35 @@
+/*
+ * 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"
+#include "print.h"
+#include "uart16550.h"
+
+static void myoutput(void *arg, char *s, int l)
+{
+ int i;
+
+ // special termination call
+ if ((l==1) && (s[0] == '\0')) return;
+
+ for (i=0; i< l; i++) {
+ Uart16550Put(s[i]);
+ if (s[i] == '\n') Uart16550Put('\r');
+ }
+}
+
+void printf(char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ lp_Print(myoutput, 0, fmt, ap);
+ va_end(ap);
+}
diff --git a/target/linux/image/generic/lzma-loader/src/printf.h b/target/linux/image/generic/lzma-loader/src/printf.h
new file mode 100644
index 0000000000..9b1c1df232
--- /dev/null
+++ b/target/linux/image/generic/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_ */
diff --git a/target/linux/image/generic/lzma-loader/src/start.S b/target/linux/image/generic/lzma-loader/src/start.S
new file mode 100644
index 0000000000..37c7ca36d3
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/start.S
@@ -0,0 +1,136 @@
+#include <asm/asm.h>
+#include <asm/regdef.h>
+
+#define KSEG0 0x80000000
+
+#define C0_CONFIG $16
+#define C0_TAGLO $28
+#define C0_TAGHI $29
+
+#define CONF1_DA_SHIFT 7 /* D$ associativity */
+#define CONF1_DA_MASK 0x00000380
+#define CONF1_DA_BASE 1
+#define CONF1_DL_SHIFT 10 /* D$ line size */
+#define CONF1_DL_MASK 0x00001c00
+#define CONF1_DL_BASE 2
+#define CONF1_DS_SHIFT 13 /* D$ sets/way */
+#define CONF1_DS_MASK 0x0000e000
+#define CONF1_DS_BASE 64
+#define CONF1_IA_SHIFT 16 /* I$ associativity */
+#define CONF1_IA_MASK 0x00070000
+#define CONF1_IA_BASE 1
+#define CONF1_IL_SHIFT 19 /* I$ line size */
+#define CONF1_IL_MASK 0x00380000
+#define CONF1_IL_BASE 2
+#define CONF1_IS_SHIFT 22 /* Instruction cache sets/way */
+#define CONF1_IS_MASK 0x01c00000
+#define CONF1_IS_BASE 64
+
+#define Index_Invalidate_I 0x00
+#define Index_Writeback_Inv_D 0x01
+
+LEAF(_start)
+
+ .set mips32
+ .set noreorder
+
+ /* set up stack */
+ li sp, 0xa0000000 + RAMSIZE - 16
+
+
+ /* At this point we need to invalidate dcache and */
+ /* icache before jumping to new code */
+
+1: /* Get cache sizes */
+ mfc0 s0,C0_CONFIG,1
+
+ 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 */
+
+1: cache Index_Writeback_Inv_D,0(t0)
+ 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 */
+
+1: cache Index_Invalidate_I,0(t0)
+ bne t0,t1,1b
+ addu t0,s3
+noic:
+ /* jump to main */
+ move a0,s3 /* icache line size */
+ move a1,s4 /* icache size */
+ move a2,s1 /* dcache line size */
+ jal entry
+ move a3,s2 /* dcache size */
+
+ .set reorder
+END(_start)
+
diff --git a/target/linux/image/generic/lzma-loader/src/uart16550.c b/target/linux/image/generic/lzma-loader/src/uart16550.c
new file mode 100644
index 0000000000..7df5727600
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/uart16550.c
@@ -0,0 +1,86 @@
+/*
+ * 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 "uart16550.h"
+
+/* === CONFIG === */
+
+#define BASE 0xb8058000
+#define MAX_BAUD 1152000
+#define REG_OFFSET 4
+
+/* === END OF CONFIG === */
+
+/* register offset */
+#define OFS_RCV_BUFFER (0*REG_OFFSET)
+#define OFS_TRANS_HOLD (0*REG_OFFSET)
+#define OFS_SEND_BUFFER (0*REG_OFFSET)
+#define OFS_INTR_ENABLE (1*REG_OFFSET)
+#define OFS_INTR_ID (2*REG_OFFSET)
+#define OFS_DATA_FORMAT (3*REG_OFFSET)
+#define OFS_LINE_CONTROL (3*REG_OFFSET)
+#define OFS_MODEM_CONTROL (4*REG_OFFSET)
+#define OFS_RS232_OUTPUT (4*REG_OFFSET)
+#define OFS_LINE_STATUS (5*REG_OFFSET)
+#define OFS_MODEM_STATUS (6*REG_OFFSET)
+#define OFS_RS232_INPUT (6*REG_OFFSET)
+#define OFS_SCRATCH_PAD (7*REG_OFFSET)
+
+#define OFS_DIVISOR_LSB (0*REG_OFFSET)
+#define OFS_DIVISOR_MSB (1*REG_OFFSET)
+
+
+/* memory-mapped read/write of the port */
+#define UART16550_READ(y) (*((volatile uint32*)(BASE + y)))
+#define UART16550_WRITE(y, z) ((*((volatile uint32*)(BASE + y))) = z)
+
+#define DEBUG_LED (*(unsigned short*)0xb7ffffc0)
+#define OutputLED(x) (DEBUG_LED = x)
+
+void Uart16550Init(uint32 baud, uint8 data, uint8 parity, uint8 stop)
+{
+ /* disable interrupts */
+ UART16550_WRITE(OFS_INTR_ENABLE, 0);
+
+ /* set up buad rate */
+ {
+ uint32 divisor;
+
+ /* set DIAB bit */
+ UART16550_WRITE(OFS_LINE_CONTROL, 0x80);
+
+ /* set divisor */
+ divisor = MAX_BAUD / baud;
+ UART16550_WRITE(OFS_DIVISOR_LSB, divisor & 0xff);
+ UART16550_WRITE(OFS_DIVISOR_MSB, (divisor & 0xff00)>>8);
+
+ /* clear DIAB bit */
+ UART16550_WRITE(OFS_LINE_CONTROL, 0x0);
+ }
+
+ /* set data format */
+ UART16550_WRITE(OFS_DATA_FORMAT, data | parity | stop);
+}
+
+uint8 Uart16550GetPoll()
+{
+ while((UART16550_READ(OFS_LINE_STATUS) & 0x1) == 0);
+ return UART16550_READ(OFS_RCV_BUFFER);
+}
+
+
+void Uart16550Put(uint8 byte)
+{
+ while ((UART16550_READ(OFS_LINE_STATUS) &0x20) == 0);
+ UART16550_WRITE(OFS_SEND_BUFFER, byte);
+}
+
diff --git a/target/linux/image/generic/lzma-loader/src/uart16550.h b/target/linux/image/generic/lzma-loader/src/uart16550.h
new file mode 100644
index 0000000000..b3fd6fdd75
--- /dev/null
+++ b/target/linux/image/generic/lzma-loader/src/uart16550.h
@@ -0,0 +1,47 @@
+/*
+ * 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 _uart16550_h_
+#define _uart16550_h_
+
+typedef unsigned char uint8;
+typedef unsigned int uint32;
+
+#define UART16550_BAUD_2400 2400
+#define UART16550_BAUD_4800 4800
+#define UART16550_BAUD_9600 9600
+#define UART16550_BAUD_19200 19200
+#define UART16550_BAUD_38400 38400
+#define UART16550_BAUD_57600 57600
+#define UART16550_BAUD_115200 115200
+
+#define UART16550_PARITY_NONE 0
+#define UART16550_PARITY_ODD 0x08
+#define UART16550_PARITY_EVEN 0x18
+#define UART16550_PARITY_MARK 0x28
+#define UART16550_PARITY_SPACE 0x38
+
+#define UART16550_DATA_5BIT 0x0
+#define UART16550_DATA_6BIT 0x1
+#define UART16550_DATA_7BIT 0x2
+#define UART16550_DATA_8BIT 0x3
+
+#define UART16550_STOP_1BIT 0x0
+#define UART16550_STOP_2BIT 0x4
+
+void Uart16550Init(uint32 baud, uint8 data, uint8 parity, uint8 stop);
+
+/* blocking call */
+uint8 Uart16550GetPoll();
+
+void Uart16550Put(uint8 byte);
+
+#endif
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-29 19:32:12 +0000