[RTEMS Project] #4923: FPU context init/switch not working well on more than 2 tasks on Cortex-Mx/ARMv7-M platform
RTEMS trac
trac at rtems.org
Thu Jul 13 13:23:33 UTC 2023
#4923: FPU context init/switch not working well on more than 2 tasks on Cortex-
Mx/ARMv7-M platform
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Reporter: kgardas | Owner: (none)
Type: defect | Status: new
Priority: normal | Milestone:
Component: arch/arm | Version:
Severity: major | Resolution:
Keywords: | Blocked By:
Blocking: |
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Comment (by Sebastian Huber):
The FPU context corruption happens in _ARMV7M_Pendable_service_call().
Somehow the FPU context is not restored from the right frame position in
certain cases. It is not clear, why this error doesn't show up in the
spcontext01 test.
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Ticket URL: <http://devel.rtems.org/ticket/4923#comment:9>
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