INT64 __stdcall PspUmsInitializeContext(INT64 result, INT64 a2){
__int64 v4;
v4 = *(_QWORD *)(result + 1256);
RtlGetUmsContextExtendedSize();
memset(result, 0i64);
*(_QWORD *)(result + 1256) = v4;
*(_QWORD *)(result + 1248) = a2;
*(_DWORD *)(result + 1264) = 5;
return 0i64;
}