NTSTATUS __stdcall HvlEnableVsmCalls(INT64 a1){
__int64 v1;
v1 = *(_QWORD *)(a1 + 240);
if( (*(_DWORD *)(v1 + 132) & 0x100) != 0 )
{
LODWORD(v1) = HvlpTryConfigureInterface((_LOADER_PARAMETER_BLOCK *)a1);
if( (int)v1 >= 0 )
{
HvlpGetVtlCallVa();
LODWORD(v1) = VslBindNtIum();
}
}
return v1;
}