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 [4], and also with a shorter URL[5]. [4] http://www.denx.de/twiki/bin/view/PPCEmbedded/DeviceDrivers#Section_Acce ssingPeripheralsFromUserSpace [5] http://tinyurl.com/6c7th -- Stephane _______________________________________________ Xenomai-core mailing list Xenomai-core@gna.org https://mail.gna.org/listinfo/xenomai-core
