IopGetPhysicalMemoryBlock

VOID __stdcall IopGetPhysicalMemoryBlock(){
  PHYSICAL_MEMORY_RANGE *PhysicalMemoryRanges; 
  PHYSICAL_MEMORY_RANGE *v1; 
  LARGE_INTEGER *p_NumberOfBytes; 
  unsigned int v3; 
  LARGE_INTEGER NumberOfBytes; 
  char *v5; 
  unsigned __int64 v6; 
  __int64 v7; 
  size_t v8; 
  VOID **PoolWithTag; 
  VOID **v10; 
  signed __int64 v11; 
  unsigned __int64 QuadPart; 

  PhysicalMemoryRanges = MmGetPhysicalMemoryRanges();
  v1 = PhysicalMemoryRanges;
  if( PhysicalMemoryRanges )
  {
    p_NumberOfBytes = &PhysicalMemoryRanges->NumberOfBytes;
    v3 = 0;
    NumberOfBytes = PhysicalMemoryRanges->NumberOfBytes;
    v5 = 0i64;
    if( !NumberOfBytes.QuadPart )
      goto LABEL_13;
    do
    {
      ++v3;
      v5 += (unsigned __int64)NumberOfBytes.QuadPart >> 12;
      NumberOfBytes = v1[v3].NumberOfBytes;
    }
    while( NumberOfBytes.QuadPart );
    if( v3
      && (v6 = 16i64 * v3, v7 = v3, v6 <= 0xFFFFFFFF)
      && (int)v6 + 32 >= (unsigned int)v6
      && (v8 = v6 + 32,
          PoolWithTag = ExAllocatePoolWithTag(0x200ui64, (unsigned int)(v6 + 32), 1886209091i64),
          (v10 = PoolWithTag) != 0i64) )
    {
      memset(PoolWithTag, 0i64, v8);
      *(_DWORD *)v10 = v3;
      v10[1] = v5;
      v11 = (char *)v10 - (char *)v1;
      do
      {
        *(LONGLONG *)((char *)&p_NumberOfBytes[1].QuadPart + v11) = (unsigned __int64)p_NumberOfBytes[-1].QuadPart >> 12;
        QuadPart = p_NumberOfBytes->QuadPart;
        p_NumberOfBytes += 2;
        *(LONGLONG *)((char *)&p_NumberOfBytes->QuadPart + v11) = QuadPart >> 12;
        --v7;
      }
      while( v7 );
      ExFreePoolWithTag(v1, 0);
    }
    else
    {
LABEL_13:
      ExFreePoolWithTag(v1, 0);
    }
  }
}

Referenced by: