utils.cpp

#include "utils.hpp"

extern "C" {
    NTSYSAPI
        PVOID
        NTAPI
        MmGetVirtualForPhysical(
            IN PHYSICAL_ADDRESS PhysicalAddress
        );
}

namespace Utils {

    ULONG64 PhysicalToVirtual(ULONG64 physicalAddress) {
        PHYSICAL_ADDRESS physAddr;
        physAddr.QuadPart = physicalAddress;
        PVOID virtualAddr = MmGetVirtualForPhysical(physAddr);
        return reinterpret_cast<ULONG64>(virtualAddr);
    }

    NTSTATUS ReadVirtualMemory(ULONG64 address, PVOID buffer, SIZE_T size) {
        __try {
            RtlCopyMemory(buffer, reinterpret_cast<PVOID>(address), size);
            return STATUS_SUCCESS;
        }
        __except (EXCEPTION_EXECUTE_HANDLER) {
            return STATUS_ACCESS_VIOLATION;
        }
    }

}