Function GetPhysicalAddress

Kernel-Bridge/API/MemoryUtils.cpp:368–382

    _IRQL_requires_max_(APC_LEVEL)
    PVOID64 GetPhysicalAddress(PVOID VirtualAddress, OPTIONAL PEPROCESS Process) {
        if (!Process || Process == PsGetCurrentProcess()) {
            return MmIsAddressValid(VirtualAddress)
                ? reinterpret_cast<PVOID64>(MmGetPhysicalAddress(VirtualAddress).QuadPart)
                : NULL;
        }

        KAPC_STATE ApcState;
        KeStackAttachProcess(Process, &ApcState);
        PVOID64 PhysicalAddress = MmIsAddressValid(VirtualAddress)
            ? reinterpret_cast<PVOID64>(MmGetPhysicalAddress(VirtualAddress).QuadPart)
            : NULL;
        KeUnstackDetachProcess(&ApcState);
        return PhysicalAddress;
    }

    PVOID GetVirtualForPhysical(PVOID64 PhysicalAddress) {
        return MmGetVirtualForPhysical(*reinterpret_cast<PPHYSICAL_ADDRESS>(&PhysicalAddress));