MiAddPhysicalMemoryChunks

NTSTATUS __stdcall MiAddPhysicalMemoryChunks(
        _MI_PARTITION *Partition,
        _LARGE_INTEGER *StartAddress,
        _LARGE_INTEGER *NumberOfBytes){
  unsigned int v3; 
  unsigned __int64 QuadPart; 
  LONGLONG v5; 
  unsigned __int64 v6; 
  int v7; 
  int v8; 
  unsigned __int64 v9; 
  unsigned int v10; 
  NTSTATUS v11; 
  UINT64 v12; 
  unsigned __int64 v13; 
  UINT64 v14; 
  unsigned __int64 v15; 
  int v16; 
  __int64 v17; 
  unsigned __int64 v18; 
  _BOOL8 v19; 
  __int64 v21; 
  unsigned int v22; 
  unsigned __int64 v23; 
  _LARGE_INTEGER v24; 
  int v25; 
  unsigned __int64 v26; 
  unsigned int v27; 
  unsigned __int64 v28; 
  unsigned __int64 v29; 
  unsigned __int64 v30; 
  unsigned __int64 v31; 
  __int64 v32; 
  unsigned int v33; 
  NTSTATUS v34; 
  _LARGE_INTEGER NumberOfBytesa; 
  unsigned __int64 v36; 
  _LARGE_INTEGER StartAddressa; 
  _LARGE_INTEGER *v39; 

  v39 = NumberOfBytes;
  QuadPart = StartAddress->QuadPart;
  v5 = 0i64;
  StartAddressa = *StartAddress;
  v6 = NumberOfBytes->QuadPart;
  v7 = 0;
  v8 = 0;
  v36 = 0i64;
  v9 = v6;
  v10 = v3;
  v11 = 0;
  while( 1 )
  {
    while( 1 )
    {
      v12 = QuadPart >> 12;
      MiRestrictRangeToNode(v12, v6 >> 12);
      v15 = v13;
      if( v12 < 0x100000 && v12 + v13 > 0x100000 )
        v15 = 0x100000 - v12;
      MiPageToNode(v12, v14);
      NumberOfBytesa.QuadPart = qword_140C50AD0
                              + 4544i64 * (unsigned int)(MiGetClosestImplicitNode((unsigned int)(v16 + 1)) - 1);
      if( v11 < 0 )
      {
        v15 = v36;
        if( v36 > 0x200 )
          v15 = 512i64;
        switch( v8 )
        {
          case 0:
            if( v36 > 0x200 )
            {
              v7 = 0;
              break;
            }
            LODWORD(v19) = v12 < 0x100000;
            goto LABEL_21;
          case 1:
            v19 = v36 <= 0x200;
LABEL_21:
            v7 = v19 + 1;
            break;
          case 2:
            v7 = 3;
            break;
          case 3:
            v7 = 4;
            break;
          case 4:
            goto LABEL_27;
        }
      }
      else
      {
        v7 = 0;
        LODWORD(v17) = 1;
        if( (v12 & 0x1FF) != 0 )
        {
LABEL_11:
          if( v15 > MiLargePageSizes[(unsigned int)v17] - v12 % MiLargePageSizes[(unsigned int)v17] )
            v15 = MiLargePageSizes[(unsigned int)v17] - v12 % MiLargePageSizes[(unsigned int)v17];
        }
        else
        {
          v18 = 512i64;
          while( v15 >= v18 )
          {
            v15 &= ~(v18 - 1);
            if( !(_DWORD)v17 )
              break;
            v17 = (unsigned int)(v17 - 1);
            v18 = MiLargePageSizes[v17];
            if( v12 % v18 )
              goto LABEL_11;
          }
        }
      }
      v21 = 1i64;
      LOBYTE(v22) = MiGetLargestPageIndex();
      v25 = v22;
      if( v22 <= 1 )
      {
        while( 1 )
        {
          v26 = MiLargePageSizes[v25];
          if( !(v12 % v26) && !(v15 % v26) )
            break;
          if( (unsigned int)++v25 > 1 )
            goto LABEL_34;
        }
        v21 = MiLargePageSizes[v25];
      }
LABEL_34:
      v27 = v10 & 0xFFFFA7FF;
      if( v15 >= v23 )
      {
        if( v7 )
        {
LABEL_41:
          if( v7 != 1 || (LODWORD(v30) = MiNodeLargeFreeZeroPages2(v24.QuadPart, 1i64), (v29 = v30) == 0) )
          {
            if( v15 != 512 )
              v15 = 512i64;
            goto LABEL_58;
          }
        }
        else
        {
          LODWORD(v28) = MiNodeLargeFreeZeroPages2(v24.QuadPart, 0i64);
          v29 = v28;
          if( !v28 )
          {
            if( v15 + v12 > 0x100000 && v15 > 0x200 )
            {
              v25 = 1;
              v15 = 512i64;
              v21 = 512i64;
            }
            v24 = NumberOfBytesa;
            v7 = 1;
            goto LABEL_41;
          }
        }
        if( v29 < (unsigned __int64)(48 * v21) >> 12 )
        {
          while( !v25 )
          {
            v25 = 1;
            v21 = MiLargePageSizes[1];
            if( v29 >= (unsigned __int64)(48 * v21) >> 12 )
              goto LABEL_48;
          }
          v21 = 1i64;
        }
LABEL_48:
        if( v21 != 1 )
        {
          v27 |= 0x4000u;
          if( Partition == &Irp )
          {
            if( v25 == 1 )
              v27 |= 0x800u;
            else
              v27 |= 0x1000u;
          }
        }
        v31 = v29 << 12;
        v32 = ~(v21 - 1);
        if( v15 > (v32 & (v31 / 0x30)) )
          v15 = v32 & (v31 / 0x30);
      }
LABEL_58:
      v36 = v15;
      v33 = v27 & 0xFFFFDFFF;
      v10 = v27 | 0x2000;
      v8 = v7;
      if( v7 > 2 )
        v10 = v33;
      NumberOfBytesa.QuadPart = v15 << 12;
      v34 = MiAddPhysicalMemory(Partition, &StartAddressa, &NumberOfBytesa, v10);
      v11 = v34;
      if( v34 < 0 )
        break;
      QuadPart = NumberOfBytesa.QuadPart + StartAddressa.QuadPart;
      v5 += NumberOfBytesa.QuadPart;
      StartAddressa.QuadPart += NumberOfBytesa.QuadPart;
      v6 = v9 - v5;
      if( v9 == v5 )
        goto LABEL_27;
    }
    if( v34 != -1073741670 && v34 != -1073741523 || v7 == 4 )
      break;
    QuadPart = StartAddressa.QuadPart;
    v6 = NumberOfBytesa.QuadPart;
  }
LABEL_27:
  v39->QuadPart = v5;
  return v11;
}

Referenced by: