Re: When using tasks with and without VX_FP_TASK concurrently , What happen in the context swithcing?
- From: munhoney <munhoney@xxxxxxxxx>
- Date: Mon, 15 Sep 2008 17:31:10 -0700 (PDT)
On Sep 16, 4:25 am, Roger Ivie <ri...@xxxxxxxxxxxx> wrote:
On 2008-09-15, munhoney <munho...@xxxxxxxxx> wrote:
and if the lazy context save technique cause the problem, why does not
windriver fix the problem?
Lazy context save does not cause the problem. Using floating point
registers in a task that is not marked as a floating point task causes
the problem.
--
roger ivie
ri...@xxxxxxxxxxxx
Right,
However, I want to know how the problem happen.
if windriver implements the context switching perfectly, I think the
problem does not happen.
.
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