Initial commit
Some checks failed
Build Kernel / Build all affected Kernels (push) Has been cancelled
Build all core packages / Build all core packages for selected target (push) Has been cancelled
Build and Push prebuilt tools container / Build and Push all prebuilt containers (push) Has been cancelled
Build Toolchains / Build Toolchains for each target (push) Has been cancelled
Build host tools / Build host tools for linux and macos based systems (push) Has been cancelled
Coverity scan build / Coverity x86/64 build (push) Has been cancelled

This commit is contained in:
domenico
2025-06-24 12:51:15 +02:00
commit 27c9d80f51
10493 changed files with 1885777 additions and 0 deletions

View File

@@ -0,0 +1,10 @@
# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2006-2010 OpenWrt.org
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
# use default targets for everything
$(eval $(call BuildImage))

View File

@@ -0,0 +1,9 @@
nod /dev/console 600 0 0 c 5 1
nod /dev/null 666 0 0 c 1 3
nod /dev/zero 666 0 0 c 1 5
nod /dev/tty 666 0 0 c 5 0
nod /dev/tty0 660 0 0 c 4 0
nod /dev/tty1 660 0 0 c 4 1
nod /dev/random 666 0 0 c 1 8
nod /dev/urandom 666 0 0 c 1 9
dir /dev/pts 755 0 0

View File

@@ -0,0 +1,46 @@
#
# Copyright (C) 2006 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME := loader
PKG_VERSION := 0.05
PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME)-$(PKG_VERSION)$(LOADER_TYPE)
$(PKG_BUILD_DIR)/.prepared:
mkdir $(PKG_BUILD_DIR)
$(CP) ./src/* $(PKG_BUILD_DIR)/
touch $@
$(PKG_BUILD_DIR)/lzma.elf: $(PKG_BUILD_DIR)/.prepared $(PKG_BUILD_DIR)/vmlinux.lzma
PATH="$(TARGET_PATH)" $(MAKE) -C $(PKG_BUILD_DIR) \
CC="$(TARGET_CC)" CROSS_COMPILE="$(TARGET_CROSS)" \
RAMSIZE=$(RAMSIZE) \
LOADADDR=$(LOADADDR) \
KERNEL_ENTRY=$(KERNEL_ENTRY) \
IMAGE_COPY=$(IMAGE_COPY)
$(PKG_BUILD_DIR)/vmlinux.lzma: $(KDIR)/vmlinux.lzma
$(CP) $< $@
$(KDIR)/loader$(LOADER_TYPE).elf: $(PKG_BUILD_DIR)/lzma.elf
$(CP) $< $@
$(KDIR)/loader$(LOADER_TYPE).bin: $(PKG_BUILD_DIR)/lzma.bin
$(CP) $< $@
download:
prepare: $(PKG_BUILD_DIR)/.prepared
compile: $(KDIR)/loader$(LOADER_TYPE).elf $(KDIR)/loader$(LOADER_TYPE).bin
install:
clean:
rm -rf $(PKG_BUILD_DIR)
rm -f $(KDIR)/loader.elf
rm -f $(KDIR)/loader.bin

View File

@@ -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;
}

View File

@@ -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

View File

@@ -0,0 +1,68 @@
#
# Copyright (C) 2006 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
RAMSTART = 0x80000000
RAMSIZE = 0x00100000 # 1MB
LOADADDR = 0x80400000 # RAM start + 4M
KERNEL_ENTRY = 0x80001000
IMAGE_COPY:=0
CROSS_COMPILE = mips-linux-
OBJCOPY:= $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
CFLAGS := -fno-builtin -Os -G 0 -ffunction-sections -mno-abicalls -fno-pic -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap -Wall -DRAMSTART=${RAMSTART} -DRAMSIZE=${RAMSIZE} -DKERNEL_ENTRY=${KERNEL_ENTRY} -D_LZMA_IN_CB
ifeq ($(IMAGE_COPY),1)
CFLAGS += -DLOADADDR=${LOADADDR} -DIMAGE_COPY=1
endif
.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
OBJDUMP = $(CROSS_COMPILE)objdump
O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32)
# Drop some uninteresting sections in the kernel.
# This is only relevant for ELF kernels but doesn't hurt a.out
drop-sections = .reginfo .mdebug .comment
strip-flags = $(addprefix --remove-section=,$(drop-sections))
all : lzma.elf lzma.bin
lzma.lds: lzma.lds.in
sed -e 's,@LOADADDR@,$(LOADADDR),g' -e 's,@ENTRY@,_start,g' $< >$@
kernel.o: vmlinux.lzma lzma.lds
$(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $<
lzma.bin: lzma.elf
$(OBJCOPY) $< $@
ifeq ($(IMAGE_COPY),1)
LOADER_ENTRY ?= $(KERNEL_ENTRY)
lzma.o: decompress.o LzmaDecode.o kernel.o
sed -e 's,@LOADADDR@,$(LOADADDR),g' -e 's,@ENTRY@,entry,g' lzma.lds.in >lzma-stage2.lds
$(LD) -static --no-warn-mismatch -e entry -Tlzma-stage2.lds -o temp-$@ $^
$(OBJCOPY) temp-$@ lzma.tmp
@echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > lzma-data.lds
$(LD) -no-warn-mismatch -T lzma-data.lds -r -o $@ -b binary lzma.tmp --oformat $(O_FORMAT)
lzma.elf: start.o lzma.o
sed -e 's,@LOADADDR@,$(LOADER_ENTRY),g' lzma-copy.lds.in >lzma-copy.lds
$(LD) -s -Tlzma-copy.lds -o $@ $^
else
lzma.elf: start.o decompress.o LzmaDecode.o kernel.o
$(LD) -s -Tlzma.lds -o $@ $^
endif
clean:
rm -f *.o lzma.elf lzma.bin *.tmp *.lds

View File

@@ -0,0 +1,157 @@
/*
* 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;
}
/* This puts lzma workspace 128k below RAM end.
* That should be enough for both lzma and stack
*/
static char *buffer = (char *)(RAMSTART + RAMSIZE - 0x00020000);
extern char 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 */
volatile unsigned int arg0, arg1, arg2, arg3;
/* restore argument registers */
__asm__ __volatile__ ("ori %0, $12, 0":"=r"(arg0));
__asm__ __volatile__ ("ori %0, $13, 0":"=r"(arg1));
__asm__ __volatile__ ("ori %0, $14, 0":"=r"(arg2));
__asm__ __volatile__ ("ori %0, $15, 0":"=r"(arg3));
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 (*)(int a0, int a1, int a2, int a3)) KERNEL_ENTRY)(arg0, arg1, arg2, arg3);
}
}

View File

@@ -0,0 +1,20 @@
OUTPUT_ARCH(mips)
ENTRY(_start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = @LOADADDR@;
.text :
{
_ftext = . ;
*(.text)
*(.rodata)
} =0
.reginfo : { *(.reginfo) }
.bss :
{
*(.bss)
}
}

View File

@@ -0,0 +1,24 @@
OUTPUT_ARCH(mips)
ENTRY(@ENTRY@)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = @LOADADDR@;
.text :
{
_ftext = . ;
*(.text.entry)
*(.text)
*(.rodata)
lzma_start = .;
kernel.o
lzma_end = .;
} =0
.reginfo : { *(.reginfo) }
.bss :
{
*(.bss)
}
}

View File

@@ -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;
}

View File

@@ -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

View File

@@ -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);
}

View File

@@ -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_ */

View File

@@ -0,0 +1,160 @@
#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
/* save argument registers */
move t4, a0
move t5, a1
move t6, a2
move t7, a3
/* set up stack */
li sp, RAMSTART + RAMSIZE - 16
#ifdef IMAGE_COPY
/* Copy decompressor code to the right place */
li t2, LOADADDR
add a0, t2, 0
la a1, code_start
la a2, code_stop
$L1:
lw t0, 0(a1)
sw t0, 0(a0)
add a1, 4
add a0, 4
blt a1, a2, $L1
nop
#endif
/* At this point we need to invalidate dcache and */
/* icache before jumping to new code */
1: /* Get cache sizes */
mfc0 s0,C0_CONFIG,1
li s1,CONF1_DL_MASK
and s1,s0
beq s1,zero,nodc
nop
srl s1,CONF1_DL_SHIFT
li t0,CONF1_DL_BASE
sll s1,t0,s1 /* s1 has D$ 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,s4 /* icache size */
move a1,s3 /* icache line size */
move a2,s2 /* dcache size */
#ifdef IMAGE_COPY
jal t2
#else
jal entry
#endif
move a3,s1 /* dcache line size */
.set reorder
END(_start)

View File

@@ -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);
}

View File

@@ -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

View File

@@ -0,0 +1,75 @@
#
# Makefile for the kernel relocation stub for MIPS devices
#
# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
# Copyright (C) 2015 Felix Fietkau <nbd@nbd.name>
#
# Some parts of this file was based on the OpenWrt specific lzma-loader
# for the BCM47xx and ADM5120 based boards:
# Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org)
# Copyright (C) 2005 Mineharu Takahara <mtakahar@yahoo.com>
# 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 version 2 as published
# by the Free Software Foundation.
#
LOADADDR :=
LZMA_TEXT_START := 0x81000000
LOADER_DATA :=
BOARD :=
FLASH_OFFS :=
FLASH_MAX :=
PLATFORM :=
CACHELINE_SIZE := 32
CC := $(CROSS_COMPILE)gcc
LD := $(CROSS_COMPILE)ld
OBJCOPY := $(CROSS_COMPILE)objcopy
OBJDUMP := $(CROSS_COMPILE)objdump
BIN_FLAGS := -O binary -R .reginfo -R .note -R .comment -R .mdebug \
-R .MIPS.abiflags -S
CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
-fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 \
-mno-abicalls -fno-pic -ffunction-sections -pipe -mlong-calls \
-fno-common -ffreestanding -fhonour-copts \
-mabi=32 -march=mips32r2 \
-Wa,-32 -Wa,-march=mips32r2 -Wa,-mips32r2 -Wa,--trap \
-DCONFIG_CACHELINE_SIZE=$(CACHELINE_SIZE) \
-DKERNEL_ADDR=$(KERNEL_ADDR)
ASFLAGS = $(CFLAGS) -D__ASSEMBLY__
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
all: head.o 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 $@ $<
loader: $(OBJECTS)
$(LD) $(LDFLAGS) -o $@ $(OBJECTS)
loader.bin: loader
$(OBJCOPY) $(BIN_FLAGS) $< $@
mrproper: clean
clean:
rm -f loader *.elf *.bin *.o

View File

@@ -0,0 +1,85 @@
/*
* Cache operations for the cache instruction.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
* (C) Copyright 1999 Silicon Graphics, Inc.
*/
#ifndef __ASM_CACHEOPS_H
#define __ASM_CACHEOPS_H
/*
* Cache Operations available on all MIPS processors with R4000-style caches
*/
#define Index_Invalidate_I 0x00
#define Index_Writeback_Inv_D 0x01
#define Index_Load_Tag_I 0x04
#define Index_Load_Tag_D 0x05
#define Index_Store_Tag_I 0x08
#define Index_Store_Tag_D 0x09
#if defined(CONFIG_CPU_LOONGSON2)
#define Hit_Invalidate_I 0x00
#else
#define Hit_Invalidate_I 0x10
#endif
#define Hit_Invalidate_D 0x11
#define Hit_Writeback_Inv_D 0x15
/*
* R4000-specific cacheops
*/
#define Create_Dirty_Excl_D 0x0d
#define Fill 0x14
#define Hit_Writeback_I 0x18
#define Hit_Writeback_D 0x19
/*
* R4000SC and R4400SC-specific cacheops
*/
#define Index_Invalidate_SI 0x02
#define Index_Writeback_Inv_SD 0x03
#define Index_Load_Tag_SI 0x06
#define Index_Load_Tag_SD 0x07
#define Index_Store_Tag_SI 0x0A
#define Index_Store_Tag_SD 0x0B
#define Create_Dirty_Excl_SD 0x0f
#define Hit_Invalidate_SI 0x12
#define Hit_Invalidate_SD 0x13
#define Hit_Writeback_Inv_SD 0x17
#define Hit_Writeback_SD 0x1b
#define Hit_Set_Virtual_SI 0x1e
#define Hit_Set_Virtual_SD 0x1f
/*
* R5000-specific cacheops
*/
#define R5K_Page_Invalidate_S 0x17
/*
* RM7000-specific cacheops
*/
#define Page_Invalidate_T 0x16
/*
* R10000-specific cacheops
*
* Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused.
* Most of the _S cacheops are identical to the R4000SC _SD cacheops.
*/
#define Index_Writeback_Inv_S 0x03
#define Index_Load_Tag_S 0x07
#define Index_Store_Tag_S 0x0B
#define Hit_Invalidate_S 0x13
#define Cache_Barrier 0x14
#define Hit_Writeback_Inv_S 0x17
#define Index_Load_Data_I 0x18
#define Index_Load_Data_D 0x19
#define Index_Load_Data_S 0x1b
#define Index_Store_Data_I 0x1c
#define Index_Store_Data_D 0x1d
#define Index_Store_Data_S 0x1f
#endif /* __ASM_CACHEOPS_H */

View File

@@ -0,0 +1,39 @@
/*
* Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
*
* Copyright (C) 2001, Monta Vista Software
* Author: jsun@mvista.com or jsun@junsun.net
*/
#ifndef _cp0regdef_h_
#define _cp0regdef_h_
#define CP0_INDEX $0
#define CP0_RANDOM $1
#define CP0_ENTRYLO0 $2
#define CP0_ENTRYLO1 $3
#define CP0_CONTEXT $4
#define CP0_PAGEMASK $5
#define CP0_WIRED $6
#define CP0_BADVADDR $8
#define CP0_COUNT $9
#define CP0_ENTRYHI $10
#define CP0_COMPARE $11
#define CP0_STATUS $12
#define CP0_CAUSE $13
#define CP0_EPC $14
#define CP0_PRID $15
#define CP0_CONFIG $16
#define CP0_LLADDR $17
#define CP0_WATCHLO $18
#define CP0_WATCHHI $19
#define CP0_XCONTEXT $20
#define CP0_FRAMEMASK $21
#define CP0_DIAGNOSTIC $22
#define CP0_PERFORMANCE $25
#define CP0_ECC $26
#define CP0_CACHEERR $27
#define CP0_TAGLO $28
#define CP0_TAGHI $29
#define CP0_ERROREPC $30
#endif

View File

@@ -0,0 +1,159 @@
/*
* Kernel relocation stub for MIPS devices
*
* Copyright (C) 2015 Felix Fietkau <nbd@nbd.name>
*
* Based on:
*
* LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
*
* Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
*
* Some parts of this code was based on the OpenWrt specific lzma-loader
* for the BCM47xx and ADM5120 based boards:
* Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org)
* 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 version 2 as published
* by the Free Software Foundation.
*/
#include <asm/asm.h>
#include <asm/regdef.h>
#include "cp0regdef.h"
#include "cacheops.h"
#define KSEG0 0x80000000
.macro ehb
sll zero, 3
.endm
.macro reset
li t0, 0xbe000034
lw t1, 0(t0)
ori t1, 1
sw t1, 0(t0)
.endm
.text
LEAF(startup)
.set noreorder
.set mips32
.fill 0x10000
mtc0 zero, CP0_WATCHLO # clear watch registers
mtc0 zero, CP0_WATCHHI
mtc0 zero, CP0_CAUSE # clear before writing status register
mfc0 t0, CP0_STATUS
li t1, 0x1000001f
or t0, t1
xori t0, 0x1f
mtc0 t0, CP0_STATUS
ehb
mtc0 zero, CP0_COUNT
mtc0 zero, CP0_COMPARE
ehb
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
/* 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 t4, t2, t0 # calculate actual address of _code_end
lw t5, 0(t4) # get extra data size
add t2, t5
add t2, 4
add 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
/* flush cache */
la t0, _code_start
la t1, _code_end
li t2, ~(CONFIG_CACHELINE_SIZE - 1)
and t0, t2
and t1, t2
li t2, CONFIG_CACHELINE_SIZE
b __flush_check
nop
__flush_line:
cache Hit_Writeback_Inv_D, 0(t0)
cache Hit_Invalidate_I, 0(t0)
add t0, t2
__flush_check:
bne t0, t1, __flush_line
nop
sync
la t0, __reloc_back
j t0
nop
__reloc_back:
la t0, _code_end
add t0, 4
addu t1, t0, t5
li t2, KERNEL_ADDR
__kernel_copy:
lw t3, 0(t0)
sw t3, 0(t2)
add t0, 4
blt t0, t1, __kernel_copy
add t2, 4
/* flush cache */
li t0, KERNEL_ADDR
addu t1, t0, t5
add t1, CONFIG_CACHELINE_SIZE - 1
li t2, ~(CONFIG_CACHELINE_SIZE - 1)
and t0, t2
and t1, t2
li t2, CONFIG_CACHELINE_SIZE
b __kernel_flush_check
nop
__kernel_flush_line:
cache Hit_Writeback_Inv_D, 0(t0)
cache Hit_Invalidate_I, 0(t0)
add t0, t2
__kernel_flush_check:
bne t0, t1, __kernel_flush_line
nop
sync
li t0, KERNEL_ADDR
jr t0
nop
.set reorder
END(startup)

View File

@@ -0,0 +1,16 @@
OUTPUT_ARCH(mips)
SECTIONS {
.text : {
_code_start = .;
*(.text)
*(.text.*)
*(.rodata)
*(.rodata.*)
*(.data)
*(.data.*)
}
. = ALIGN(32);
_code_end = .;
}