[Xenomai] arm imx6 and hardware FPU
gilles.chanteperdrix at xenomai.org
Fri Apr 11 13:49:52 CEST 2014
On 04/11/2014 01:44 PM, Paolo Minazzi wrote:
> Hi to all,
> I'm trying to test my imx6 with xenomai 2.6.3.
> I use the linaro cross-compiler that uses the hardware floating point.
> I made a simple floating point test.
> If I use two non-realtime user-space tasks the test works OK and I have
> no errors in calculations.
> This means that compiler and hardware works well.
> But I I use two realtime user-space tasks I have errors in calculations.
> Real-time tasks are created with rt_task_create(&demo, "demo", 0, 99,
> This is my kernel config
> # Machine
> # At least one emulation must be selected
> Is it possible to use ***hardware floating point*** with realtime
> user-space tasks ?
Yes, it should be. Do you get the same issue when running both the
switchtest and switchtest -s 1000 tests? Do you have the same issue with
the I-pipe patch for Linux 3.8?
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