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Implement Qualcomm Sahara VIP and fix a few bugs

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* Qualcomm Sahara VIP
* Project Cleanup
* Allow unlocking an already unlocked phone
This commit is contained in:
Gustave Monce
2021-08-11 14:33:49 +02:00
parent 9f4c92f437
commit c5fcb1ec8d
72 changed files with 987 additions and 861 deletions
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7zip/Compress/LZMA/LzmaEncoder.cs
+21 -21
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@@ -27,7 +27,7 @@ namespace SevenZip.Compression.LZMA
g_FastPos[1] = 1;
for (Byte slotFast = 2; slotFast < kFastSlots; slotFast++)
{
UInt32 k = ((UInt32)1 << ((slotFast >> 1) - 1));
UInt32 k = (UInt32)1 << ((slotFast >> 1) - 1);
for (UInt32 j = 0; j < k; j++, c++)
{
g_FastPos[c] = slotFast;
@@ -118,8 +118,8 @@ namespace SevenZip.Compression.LZMA
if (same)
{
uint matchBit = (uint)((matchByte >> i) & 1);
state += ((1 + matchBit) << 8);
same = (matchBit == bit);
state += (1 + matchBit) << 8;
same = matchBit == bit;
}
m_Encoders[state].Encode(rangeEncoder, bit);
context = (context << 1) | bit;
@@ -379,14 +379,14 @@ namespace SevenZip.Compression.LZMA
private readonly UInt32[] _alignPrices = new UInt32[Base.kAlignTableSize];
private UInt32 _alignPriceCount;
private UInt32 _distTableSize = (kDefaultDictionaryLogSize * 2);
private UInt32 _distTableSize = kDefaultDictionaryLogSize * 2;
private int _posStateBits = 2;
private UInt32 _posStateMask = (4 - 1);
private UInt32 _posStateMask = 4 - 1;
private int _numLiteralPosStateBits = 0;
private int _numLiteralContextBits = 3;
private UInt32 _dictionarySize = (1 << kDefaultDictionaryLogSize);
private UInt32 _dictionarySize = 1 << kDefaultDictionaryLogSize;
private UInt32 _dictionarySizePrev = 0xFFFFFFFF;
private UInt32 _numFastBytesPrev = 0xFFFFFFFF;
@@ -665,7 +665,7 @@ namespace SevenZip.Compression.LZMA
_optimum[0].State = _state;
UInt32 posState = (position & _posStateMask);
UInt32 posState = position & _posStateMask;
_optimum[1].Price = _isMatch[(_state.Index << Base.kNumPosStatesBitsMax) + posState].GetPrice0() +
_literalEncoder.GetSubCoder(position, _previousByte).GetPrice(!_state.IsCharState(), matchByte, currentByte);
@@ -684,7 +684,7 @@ namespace SevenZip.Compression.LZMA
}
}
UInt32 lenEnd = ((lenMain >= repLens[repMaxIndex]) ? lenMain : repLens[repMaxIndex]);
UInt32 lenEnd = (lenMain >= repLens[repMaxIndex]) ? lenMain : repLens[repMaxIndex];
if (lenEnd < 2)
{
@@ -732,7 +732,7 @@ namespace SevenZip.Compression.LZMA
UInt32 normalMatchPrice = matchPrice + _isRep[_state.Index].GetPrice0();
len = ((repLens[0] >= 2) ? repLens[0] + 1 : 2);
len = (repLens[0] >= 2) ? repLens[0] + 1 : 2;
if (len <= lenMain)
{
UInt32 offs = 0;
@@ -878,7 +878,7 @@ namespace SevenZip.Compression.LZMA
}
else
{
reps[0] = (pos - Base.kNumRepDistances);
reps[0] = pos - Base.kNumRepDistances;
reps[1] = opt.Backs0;
reps[2] = opt.Backs1;
reps[3] = opt.Backs2;
@@ -894,7 +894,7 @@ namespace SevenZip.Compression.LZMA
currentByte = _matchFinder.GetIndexByte(0 - 1);
matchByte = _matchFinder.GetIndexByte((Int32)(0 - reps[0] - 1 - 1));
posState = (position & _posStateMask);
posState = position & _posStateMask;
UInt32 curAnd1Price = curPrice +
_isMatch[(state.Index << Base.kNumPosStatesBitsMax) + posState].GetPrice0() +
@@ -1154,7 +1154,7 @@ namespace SevenZip.Compression.LZMA
private bool ChangePair(UInt32 smallDist, UInt32 bigDist)
{
const int kDif = 7;
return smallDist < ((UInt32)(1) << (32 - kDif)) && bigDist >= (smallDist << kDif);
return smallDist < ((UInt32)1 << (32 - kDif)) && bigDist >= (smallDist << kDif);
}
private void WriteEndMarker(UInt32 posState)
@@ -1173,7 +1173,7 @@ namespace SevenZip.Compression.LZMA
UInt32 lenToPosState = Base.GetLenToPosState(len);
_posSlotEncoder[lenToPosState].Encode(_rangeEncoder, posSlot);
const int footerBits = 30;
UInt32 posReduced = (((UInt32)1) << footerBits) - 1;
const UInt32 posReduced = (((UInt32)1) << footerBits) - 1;
_rangeEncoder.EncodeDirectBits(posReduced >> Base.kNumAlignBits, footerBits - Base.kNumAlignBits);
_posAlignEncoder.ReverseEncode(_rangeEncoder, posReduced & Base.kAlignMask);
}
@@ -1221,11 +1221,11 @@ namespace SevenZip.Compression.LZMA
}
// it's not used
ReadMatchDistances(out uint len, out uint numDistancePairs);
UInt32 posState = (UInt32)(nowPos64) & _posStateMask;
UInt32 posState = (UInt32)nowPos64 & _posStateMask;
_isMatch[(_state.Index << Base.kNumPosStatesBitsMax) + posState].Encode(_rangeEncoder, 0);
_state.UpdateChar();
Byte curByte = _matchFinder.GetIndexByte((Int32)(0 - _additionalOffset));
_literalEncoder.GetSubCoder((UInt32)(nowPos64), _previousByte).Encode(_rangeEncoder, curByte);
_literalEncoder.GetSubCoder((UInt32)nowPos64, _previousByte).Encode(_rangeEncoder, curByte);
_previousByte = curByte;
_additionalOffset--;
nowPos64++;
@@ -1323,12 +1323,12 @@ namespace SevenZip.Compression.LZMA
if (posSlot >= Base.kStartPosModelIndex)
{
int footerBits = (int)((posSlot >> 1) - 1);
UInt32 baseVal = ((2 | (posSlot & 1)) << footerBits);
UInt32 baseVal = (2 | (posSlot & 1)) << footerBits;
UInt32 posReduced = pos - baseVal;
if (posSlot < Base.kEndPosModelIndex)
{
RangeCoder.BitTreeEncoder.ReverseEncode(_posEncoders,
BitTreeEncoder.ReverseEncode(_posEncoders,
baseVal - posSlot - 1, _rangeEncoder, footerBits, posReduced);
}
else
@@ -1471,7 +1471,7 @@ namespace SevenZip.Compression.LZMA
{
UInt32 posSlot = GetPosSlot(i);
int footerBits = (int)((posSlot >> 1) - 1);
UInt32 baseVal = ((2 | (posSlot & 1)) << footerBits);
UInt32 baseVal = (2 | (posSlot & 1)) << footerBits;
tempPrices[i] = BitTreeEncoder.ReverseGetPrice(_posEncoders,
baseVal - posSlot - 1, footerBits, i - baseVal);
}
@@ -1481,7 +1481,7 @@ namespace SevenZip.Compression.LZMA
UInt32 posSlot;
BitTreeEncoder encoder = _posSlotEncoder[lenToPosState];
UInt32 st = (lenToPosState << Base.kNumPosSlotBits);
UInt32 st = lenToPosState << Base.kNumPosSlotBits;
for (posSlot = 0; posSlot < _distTableSize; posSlot++)
{
_posSlotPrices[st + posSlot] = encoder.GetPrice(posSlot);
@@ -1489,7 +1489,7 @@ namespace SevenZip.Compression.LZMA
for (posSlot = Base.kEndPosModelIndex; posSlot < _distTableSize; posSlot++)
{
_posSlotPrices[st + posSlot] += (((posSlot >> 1) - 1 - Base.kNumAlignBits) << RangeCoder.BitEncoder.kNumBitPriceShiftBits);
_posSlotPrices[st + posSlot] += ((posSlot >> 1) - 1 - Base.kNumAlignBits) << BitEncoder.kNumBitPriceShiftBits;
}
UInt32 st2 = lenToPosState * Base.kNumFullDistances;
@@ -1610,7 +1610,7 @@ namespace SevenZip.Compression.LZMA
int dicLogSize;
for (dicLogSize = 0; dicLogSize < (UInt32)kDicLogSizeMaxCompress; dicLogSize++)
{
if (dictionarySize <= ((UInt32)(1) << dicLogSize))
if (dictionarySize <= ((UInt32)1 << dicLogSize))
{
break;
}