INT64 __fastcall PspInitializeMMCSSCallouts(INT64 a1, INT64 a2){
INT64 result;
int v3[2];
__int64 v4;
__int64(__fastcall **v5)();
__int64 v6;
__int64 v7;
v3[1] = 1;
v4 = 512i64;
v3[0] = 65545;
v5 = &PspMmcssHostInterface;
v6 = 0i64;
v7 = 0i64;
result = ExRegisterHost((__int64 *)&PspMmcssExtensionHost, a2, (__int64)v3);
if( (int)result < 0 )
PspMmcssExtensionHost = 0i64;
return result;
}