RtlpHpLfhSubsegmentIncBlockCounts

INT64 __fastcall RtlpHpLfhSubsegmentIncBlockCounts(
        INT64 a1,
        INT64 a2,
        UINT64 a3,
        INT64 a4,
        _DWORD *a5,
        INT64 a6,
        UINT8 *a7){
  int v7; 
  UINT8 v10; 
  char v11; 
  __int64 v12; 
  signed __int16 *v13; 
  unsigned int v14; 
  __int64 v15; 
  int v16; 
  signed __int16 v17; 
  __int64 v18; 
  INT64 v19; 
  _ETHREAD *CurrentThread; 
  unsigned int SessionId; 
  char v23; 
  int v24; 
  bool v25; 
  __int64 v26; 
  unsigned __int64 v27; 
  __int64 v28; 
  signed __int16 v29; 
  signed __int16 *v30; 
  __int64 v31; 
  int v32; 
  v7 = a6;
  if( (_DWORD)a6 )
    v10 = *a7;
  else
    v10 = -1;
  v11 = *(_BYTE *)(a2 + 44);
  v12 = (unsigned int)a3 >> v11;
  v13 = (signed __int16 *)(2 * v12 + a2 + *(unsigned __int16 *)(a2 + 46));
  v31 = 2 * v12;
  _m_prefetchw(v13);
  v14 = -1;
  v30 = &v13[((unsigned int)(a3 + a4 - 1) >> v11) - (unsigned int)v12 + 1];
  LODWORD(v15) = 0;
  v16 = 0;
  if( v13 < v30 )
  {
    do
    {
      while( 2 )
      {
        v17 = *v13;
        while( v17 > 0 )
        {
          v29 = v17;
          v17 = _InterlockedCompareExchange16(v13, v17 + 1, v17);
          if( v29 == v17 )
          {
            v18 = v31;
            goto LABEL_10;
          }
        }
        if( !v7 )
        {
          v7 = 1;
          v10 = RtlpHpAcquireLockExclusive((INT64 *)(a2 + 24), *(unsigned __int8 *)(a1 + 57));
          continue;
        }
        break;
      }
      v18 = v31;
      if( v17 )
      {
        ++v16;
        v15 = v31 >> 1;
        if( v14 == -1 )
          v14 = v31 >> 1;
      }
      else
      {
        --v16;
      }
      *v13 = v17 + 1;
LABEL_10:
      ++v13;
      v31 = v18 + 2;
    }
    while( v13 < v30 );
    if( v16 && (RtlpHpLfhPerfFlags & 0x20) != 0 )
      _InterlockedExchangeAdd64(
        (volatile signed __int64 *)(*(__int16 *)(a1 + 58) + a1 + 24),
        (v16 << *(_BYTE *)(a2 + 44)) / 4096);
    if( v14 != -1 )
    {
      v7 = 0;
      *a5 = v15 - v14 + 1;
      *a7 = v10;
    }
  }
  if( v7 )
  {
    v19 = a2 + 24;
    if( *(_BYTE *)(a1 + 57) )
    {
      ExReleaseSpinLockExclusiveFromDpcLevel((INT64 *)(a2 + 24));
      __writecr8(v10);
    }
    else
    {
      if( (_InterlockedExchangeAdd64((volatile signed __int64 *)v19, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
        ExfTryToWakePushLock((volatile INT64 *)(a2 + 24));
      v32 = 0;
      CurrentThread = (_ETHREAD *)KeGetCurrentThread();
      if( (unsigned int)MiGetSystemRegionType(a2 + 24) == 1 )
        SessionId = MmGetSessionIdEx(*((_QWORD *)CurrentThread + 23));
      else
        SessionId = -1;
      --*((_WORD *)CurrentThread + 243);
      v23 = ++*((_BYTE *)CurrentThread + 794);
      v24 = (*((char *)CurrentThread + 792) | *((char *)CurrentThread + 870)) ^ 0x3F;
      while( 1 )
      {
        v25 = !_BitScanReverse((unsigned int *)&v26, v24);
        LODWORD(a6) = v26;
        if( v25 )
          break;
        v27 = *((_QWORD *)CurrentThread + 100) + 96 * v26;
        v24 &= ~(1 << v26);
        if( (*(_BYTE *)(v27 + 26) & 1) != 0
          && (*(_DWORD *)(v27 + 32) & 1) == 0
          && (*(_QWORD *)(v27 + 32) & 0x7FFFFFFFFFFFFFFCi64) == (v19 & 0x7FFFFFFFFFFFFFFCi64)
          && *(_DWORD *)(v27 + 40) == SessionId )
        {
          *(_BYTE *)(v27 + 26) &= ~1u;
          if( *(_QWORD *)(v27 + 32) )
          {
            if( v27 )
            {
              *(_BYTE *)(v27 + 32) |= 2u;
              if( *(__int64 *)(v27 + 32) < 0 )
                KiAbEntryRemoveFromTree(v27);
              v32 = *(_DWORD *)(v27 + 88) & 0x1FFFF;
              *(_DWORD *)(v27 + 88) &= 0xFFFE0000;
              *(_BYTE *)(v27 + 25) &= ~1u;
              *(_QWORD *)(v27 + 32) = 0i64;
              v28 = (__int64)(v27 - *((_QWORD *)CurrentThread + 100)) / 96;
              if( v23 == 1 )
                *((_BYTE *)CurrentThread + 792) |= 1 << v28;
              else
                _InterlockedOr8((volatile signed __int8 *)CurrentThread + 870, 1 << v28);
              goto LABEL_37;
            }
            break;
          }
        }
      }
      if( (*((_DWORD *)CurrentThread + 30) & 0x10000) == 0 )
        KeBugCheckEx(0x162u, (ULONG_PTR)CurrentThread, a2 + 24, SessionId, 0i64);
LABEL_37:
      --*((_BYTE *)CurrentThread + 794);
      KiAbThreadRemoveBoosts((ULONG_PTR)CurrentThread, a2 + 24, (unsigned int *)&v32);
      v25 = (*((_WORD *)CurrentThread + 243))++ == 0xFFFF;
      if( v25 && *((_ETHREAD **)CurrentThread + 19) != (_ETHREAD *)((char *)CurrentThread + 152) )
        KiCheckForKernelApcDelivery();
      KiLeaveGuardedRegionUnsafe((__int64)KeGetCurrentThread());
    }
  }
  return v14;
}

Referenced by: