diff options
| author | John Williams <john.williams@petalogix.com> | 2009-09-14 22:29:55 -0400 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2009-09-22 04:00:42 -0400 |
| commit | 71b23d547b5a06f49acacaf742ebf1a85673f8d1 (patch) | |
| tree | bdcd2050528c91cd37187e6e5dee54dbe5add150 /arch/microblaze | |
| parent | 866d72295d52353eeb0c36ccd8e5813dca869265 (diff) | |
microblaze: Clear sticky FSR register after generating exception signals
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>
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/kernel/hw_exception_handler.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S index 0ad0f7011a1a..6b0288ebccd6 100644 --- a/arch/microblaze/kernel/hw_exception_handler.S +++ b/arch/microblaze/kernel/hw_exception_handler.S | |||
| @@ -384,6 +384,8 @@ handle_other_ex: /* Handle Other exceptions here */ | |||
| 384 | addk r8, r17, r0; /* Load exception address */ | 384 | addk r8, r17, r0; /* Load exception address */ |
| 385 | bralid r15, full_exception; /* Branch to the handler */ | 385 | bralid r15, full_exception; /* Branch to the handler */ |
| 386 | nop; | 386 | nop; |
| 387 | mts r0, rfsr; /* Clear sticky fsr */ | ||
| 388 | nop | ||
| 387 | 389 | ||
| 388 | /* | 390 | /* |
| 389 | * Trigger execution of the signal handler by enabling | 391 | * Trigger execution of the signal handler by enabling |