NTSTATUS __stdcall HalpIommuUpdatePageWalkCapability(){
INT64 v0;
NTSTATUS result;
v0 = qword_140C49B50;
byte_140C49BF1 = 1;
while( (INT64 *)v0 != &qword_140C49B50 )
{
result = *(_DWORD *)(v0 + 456) & 0x900;
if( result == 256 )
{
byte_140C49BF1 = 0;
return result;
}
v0 = *(_QWORD *)v0;
}
return result;
}