Hi Oak,

For an accurate timer at user level you can use the gpt driver here : 
https://github.com/seL4/seL4_libs/blob/master/libsel4platsupport/src/mach/imx/gpt.c

Note that a while ago we combined a lot of our library repos, so 
libsel4platsupport is not part of the larger seL4_libs. The stand alone version 
is no longer updated.

Cheers,
Anna.



On 29/06/2016 1:39 pm, Norrathep Rattanavipanon wrote:
Thanks Anna.

We are looking for a way to get timestamp (wall clock) that can be used in the 
userland for authenticating an incoming message from remote server.

I see that the real-time clock driver is not implemented yet but an accurate 
timer would do the job too.

So any recommendation on which timer implementation to use?
Would this one work? 
https://github.com/seL4/libsel4platsupport/blob/master/src/mach/imx/timer.c

Thanks,
Oak


On Tue, Jun 28, 2016 at 5:17 PM, Norrathep Rattanavipanon 
<<mailto:[email protected]>[email protected]<mailto:[email protected]>> wrote:
Hi,

I was wondering if there's any real time clock implementation for I.MX6 in sel4.

And if there isnt any, what would be the best way to use a timer in sel4 (since 
I saw many implementations of those)?
through sel4platsupport_get_default_timer?

Best,
Oak

--
Norrathep (Oak) Rattanavipanon
M.S. in Computer Science
University of California - Irvine



--
Norrathep (Oak) Rattanavipanon
M.S. in Computer Science
University of California - Irvine



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--

Anna Lyons
Kernel engineer / PhD Student
DATA61 | CSIRO
E [email protected]<mailto:[email protected]>
www.data61.csiro.au<http://www.data61.csiro.au>

CSIRO's Digital Productivity business unit and NICTA have joined forces to 
create digital powerhouse Data61


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