Maps a range of physical memory addresses into the current process's virtual address space.

PVOID RtMapMemory(
    LARGE_INTEGER physAddr,
    ULONG Length,
    BOOLEAN CacheEnable
);

Parameters

physAddr

A LARGE_INTEGER that specifies the start physical address range to map.

Length

The length, in bytes, of the address range to map.

CacheEnable

Ignored.

Return Values

A virtual address in the current process' address space

Success.

NULL

Failure. For extended error information, see the Windows' GetLastError function.

Requirements

Notes

• This function operates in the Windows portion of your application.
• The iwin32 API also includes an RtMapMemory function that operates in the real-time portion of your application.

See Also

iwin32x API, iwin32 Overview