Jan Kiszka wrote:
>> Another thing is the Device I/O handling from user-space. Simple
question: how do I perform read/write operations? In VxWorks, I have for
example following function for reading an I/O register of the board:
>On x86, iopl() or ioperm() opens in/out to a user space process. Memory
>mapped I/O should be accessible via /dev/mem on any arch.
Here is a code snippet , and also with a shorter URL.
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