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microblaze: Clear sticky FSR register after generating exception signals

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FSR is sticky, so after the userspace exception/signal generation, clear
it ready for next time.

Signed-off-by: John Williams <john.williams@petalogix.com>
This commit is contained in:
John Williams
2009-09-15 12:29:55 +10:00
committed by Michal Simek
parent 866d72295d
commit 71b23d547b
1 changed files with 2 additions and 0 deletions
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arch/microblaze/kernel/hw_exception_handler.S
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@@ -384,6 +384,8 @@ handle_other_ex: /* Handle Other exceptions here */
addk r8, r17, r0; /* Load exception address */ addk r8, r17, r0; /* Load exception address */
bralid r15, full_exception; /* Branch to the handler */ bralid r15, full_exception; /* Branch to the handler */
nop; nop;
mts r0, rfsr; /* Clear sticky fsr */
nop
/* /*
* Trigger execution of the signal handler by enabling * Trigger execution of the signal handler by enabling