PiDevCfgResolveVariableConstant

INT64 __fastcall PiDevCfgResolveVariableConstant(INT64 a1, VOID *a2, INT64 a3){
  NTSTATUS RegistryValue; 
  UINT8 *v5; 
  unsigned int v6; 
  UINT64 v7; 
  int v8; 
  UINT8 *PoolWithTag; 
  UINT8 *v10; 
  PVOID P; 
  P = 0i64;
  RegistryValue = IopGetRegistryValue(a2, (PWCHAR)L"Value", 0i64, (KEY_VALUE_FULL_INFORMATION **)&P);
  v5 = (UINT8 *)P;
  v6 = RegistryValue;
  if( RegistryValue >= 0 )
  {
    if( !PnpValidateRegistryValue((_KEY_VALUE_FULL_INFORMATION *)P) )
    {
      v6 = -1073741823;
      goto LABEL_10;
    }
    v7 = *((unsigned int *)v5 + 3);
    v8 = *((_DWORD *)v5 + 1);
    if( (_DWORD)v7 )
    {
      PoolWithTag = (UINT8 *)ExAllocatePoolWithTag(PagedPool, (unsigned int)v7, 0x63647050ui64);
      v10 = PoolWithTag;
      if( !PoolWithTag )
      {
        v6 = -1073741670;
        goto LABEL_10;
      }
      memmove(PoolWithTag, &v5[*((unsigned int *)v5 + 2)], v7);
    }
    else
    {
      v10 = 0i64;
    }
    *(_DWORD *)(a3 + 32) = v8;
    *(_DWORD *)(a3 + 36) = v7;
    *(_QWORD *)(a3 + 40) = v10;
  }
LABEL_10:
  if( v5 )
    ExFreePoolWithTag(v5, 0);
  return v6;
}

Referenced by: