unsigned __int64 __fastcall sub_54E0(__int64 a1, _QWORD *a2)
{
  __int64 v4; // rdi
  __int64 v5; // rbx
  __int64 i; // r14

  if ( !a1 ) /*0x5502*/
    sub_5450((__int64)"e:\\hs\\MdePkg\\Library\\UefiLib\\UefiLib.c", 97, (__int64)"TableGuid != ((void *) 0)"); /*0x5515*/
  if ( !a2 ) /*0x551d*/
    sub_5450((__int64)"e:\\hs\\MdePkg\\Library\\UefiLib\\UefiLib.c", 98, (__int64)"Table != ((void *) 0)"); /*0x5530*/
  v4 = qword_7928; /*0x5535*/
  v5 = 0; /*0x553c*/
  *a2 = 0; /*0x553e*/
  if ( !*(_QWORD *)(v4 + 104) ) /*0x5542*/
    return 0x800000000000000EuLL; /*0x556b*/
  for ( i = 0; !(unsigned __int8)sub_5F54(a1, i + *(_QWORD *)(v4 + 112)); i += 24 ) /*0x5548*/
  {
    if ( (unsigned __int64)++v5 >= *(_QWORD *)(v4 + 104) ) /*0x5569*/
      return 0x800000000000000EuLL; /*0x5569*/
  }
  *a2 = *(_QWORD *)(*(_QWORD *)(v4 + 112) + 24 * v5 + 16); /*0x559f*/
  return 0; /*0x5589*/
}