[RTEMS Project] #2363: SPARC: Silent FP context corruption possible

[RTEMS trac]

#2363: SPARC: Silent FP context corruption possible
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 Reporter:  sebastian.huber  |      Owner:
     Type:  defect           |     Status:  new
 Priority:  lowest           |  Milestone:  4.11.1
Component:  cpukit           |    Version:  4.11
 Severity:  critical         |   Keywords:
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 On uni-processor configurations the post-switch actions (e.g. signal
 handlers) and context switch extensions may silently corrupt the floating
 point context.  Set test sptests/spcontext01.

 This problem exists for many years and might be working as intended.  It
 is possible to fix this issue using the SPARC_USE_SAFE_FP_SUPPORT option.
 This is already used for the SMP configurations.  The disadavantage is
 that this disables the deferred floating point support.

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Ticket URL: <http://devel.rtems.org/ticket/2363>
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