| 2409 | _IRQL_requires_same_ |
| 2410 | _IRQL_requires_min_(DISPATCH_LEVEL) |
| 2411 | static VMM_STATUS RdmsrHandler(__inout PRIVATE_VM_DATA* Private, __inout GUEST_CONTEXT* Context, unsigned long long Rip, __inout_opt bool& RepeatInstruction) |
| 2412 | { |
| 2413 | UNREFERENCED_PARAMETER(Private); |
| 2414 | UNREFERENCED_PARAMETER(Rip); |
| 2415 | UNREFERENCED_PARAMETER(RepeatInstruction); |
| 2416 | |
| 2417 | unsigned long Msr = static_cast<unsigned long>(Context->Rcx); |
| 2418 | if (IsMsrAllowed(Msr)) |
| 2419 | { |
| 2420 | // Allowed MSR: |
| 2421 | LARGE_INTEGER Value = {}; |
| 2422 | Value.QuadPart = __readmsr(Msr); |
| 2423 | Context->Rdx = Value.HighPart; |
| 2424 | Context->Rax = Value.LowPart; |
| 2425 | } |
| 2426 | else |
| 2427 | { |
| 2428 | // It is unknown MSR (not Intel nor Hyper-V), returning 0: |
| 2429 | Context->Rdx = 0; |
| 2430 | Context->Rax = 0; |
| 2431 | } |
| 2432 | return VMM_STATUS::VMM_CONTINUE; |
| 2433 | } |
| 2434 | |
| 2435 | _IRQL_requires_same_ |
| 2436 | _IRQL_requires_min_(DISPATCH_LEVEL) |
nothing calls this directly
no test coverage detected