projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 30fdf114 LG |
1 | /* LzFindMt.h -- multithreaded Match finder for LZ algorithms\r |
| 2 | 2008-10-04 : Igor Pavlov : Public domain */\r | |
| 3 | \r | |
| 4 | #ifndef __LZFINDMT_H\r | |
| 5 | #define __LZFINDMT_H\r | |
| 6 | \r | |
| 7 | #include "Threads.h"\r | |
| 8 | #include "LzFind.h"\r | |
| 9 | \r | |
| 10 | #define kMtHashBlockSize (1 << 13)\r | |
| 11 | #define kMtHashNumBlocks (1 << 3)\r | |
| 12 | #define kMtHashNumBlocksMask (kMtHashNumBlocks - 1)\r | |
| 13 | \r | |
| 14 | #define kMtBtBlockSize (1 << 14)\r | |
| 15 | #define kMtBtNumBlocks (1 << 6)\r | |
| 16 | #define kMtBtNumBlocksMask (kMtBtNumBlocks - 1)\r | |
| 17 | \r | |
| 18 | typedef struct _CMtSync\r | |
| 19 | {\r | |
| 20 | Bool wasCreated;\r | |
| 21 | Bool needStart;\r | |
| 22 | Bool exit;\r | |
| 23 | Bool stopWriting;\r | |
| 24 | \r | |
| 25 | CThread thread;\r | |
| 26 | CAutoResetEvent canStart;\r | |
| 27 | CAutoResetEvent wasStarted;\r | |
| 28 | CAutoResetEvent wasStopped;\r | |
| 29 | CSemaphore freeSemaphore;\r | |
| 30 | CSemaphore filledSemaphore;\r | |
| 31 | Bool csWasInitialized;\r | |
| 32 | Bool csWasEntered;\r | |
| 33 | CCriticalSection cs;\r | |
| 34 | UInt32 numProcessedBlocks;\r | |
| 35 | } CMtSync;\r | |
| 36 | \r | |
| 37 | typedef UInt32 * (*Mf_Mix_Matches)(void *p, UInt32 matchMinPos, UInt32 *distances);\r | |
| 38 | \r | |
| 39 | /* kMtCacheLineDummy must be >= size_of_CPU_cache_line */\r | |
| 40 | #define kMtCacheLineDummy 128\r | |
| 41 | \r | |
| 42 | typedef void (*Mf_GetHeads)(const Byte *buffer, UInt32 pos,\r | |
| 43 | UInt32 *hash, UInt32 hashMask, UInt32 *heads, UInt32 numHeads, const UInt32 *crc);\r | |
| 44 | \r | |
| 45 | typedef struct _CMatchFinderMt\r | |
| 46 | {\r | |
| 47 | /* LZ */\r | |
| 48 | const Byte *pointerToCurPos;\r | |
| 49 | UInt32 *btBuf;\r | |
| 50 | UInt32 btBufPos;\r | |
| 51 | UInt32 btBufPosLimit;\r | |
| 52 | UInt32 lzPos;\r | |
| 53 | UInt32 btNumAvailBytes;\r | |
| 54 | \r | |
| 55 | UInt32 *hash;\r | |
| 56 | UInt32 fixedHashSize;\r | |
| 57 | UInt32 historySize;\r | |
| 58 | const UInt32 *crc;\r | |
| 59 | \r | |
| 60 | Mf_Mix_Matches MixMatchesFunc;\r | |
| 61 | \r | |
| 62 | /* LZ + BT */\r | |
| 63 | CMtSync btSync;\r | |
| 64 | Byte btDummy[kMtCacheLineDummy];\r | |
| 65 | \r | |
| 66 | /* BT */\r | |
| 67 | UInt32 *hashBuf;\r | |
| 68 | UInt32 hashBufPos;\r | |
| 69 | UInt32 hashBufPosLimit;\r | |
| 70 | UInt32 hashNumAvail;\r | |
| 71 | \r | |
| 72 | CLzRef *son;\r | |
| 73 | UInt32 matchMaxLen;\r | |
| 74 | UInt32 numHashBytes;\r | |
| 75 | UInt32 pos;\r | |
| 76 | Byte *buffer;\r | |
| 77 | UInt32 cyclicBufferPos;\r | |
| 78 | UInt32 cyclicBufferSize; /* it must be historySize + 1 */\r | |
| 79 | UInt32 cutValue;\r | |
| 80 | \r | |
| 81 | /* BT + Hash */\r | |
| 82 | CMtSync hashSync;\r | |
| 83 | /* Byte hashDummy[kMtCacheLineDummy]; */\r | |
| 84 | \r | |
| 85 | /* Hash */\r | |
| 86 | Mf_GetHeads GetHeadsFunc;\r | |
| 87 | CMatchFinder *MatchFinder;\r | |
| 88 | } CMatchFinderMt;\r | |
| 89 | \r | |
| 90 | void MatchFinderMt_Construct(CMatchFinderMt *p);\r | |
| 91 | void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAlloc *alloc);\r | |
| 92 | SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddBufferBefore,\r | |
| 93 | UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAlloc *alloc);\r | |
| 94 | void MatchFinderMt_CreateVTable(CMatchFinderMt *p, IMatchFinder *vTable);\r | |
| 95 | void MatchFinderMt_ReleaseStream(CMatchFinderMt *p);\r | |
| 96 | \r | |
| 97 | #endif\r |