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authorMichal Simek <monstr@monstr.eu>2009-09-28 02:50:53 -0400
committerMichal Simek <monstr@monstr.eu>2009-10-05 05:37:47 -0400
commit131e4e97bfee809dc64febe8accef2f042a92722 (patch)
tree7f52e7995483f10bf0ef0ffa4e96a49e016076a6 /arch
parentf1ae3f6918ee4a437b4166a4deab4bd79629bc09 (diff)
microblaze: Clear sticky FSR register after saving it to func parametr
Previous patch d63678d607d0e37ec7abe5ceb545d7e8aab956a4 clear it for noMMU kernel. This one do it for MMU. Correct noMMU version Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch')
-rw-r--r--arch/microblaze/kernel/entry.S2
-rw-r--r--arch/microblaze/kernel/hw_exception_handler.S2
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index acc1f05d1e2c..e3ecb36dd554 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -592,6 +592,8 @@ C_ENTRY(full_exception_trap):
592 nop 592 nop
593 mfs r7, rfsr; /* save FSR */ 593 mfs r7, rfsr; /* save FSR */
594 nop 594 nop
595 mts rfsr, r0; /* Clear sticky fsr */
596 nop
595 la r12, r0, full_exception 597 la r12, r0, full_exception
596 set_vms; 598 set_vms;
597 rtbd r12, 0; 599 rtbd r12, 0;
diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S
index 6b0288ebccd6..2b86c03aa841 100644
--- a/arch/microblaze/kernel/hw_exception_handler.S
+++ b/arch/microblaze/kernel/hw_exception_handler.S
@@ -384,7 +384,7 @@ 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 */ 387 mts rfsr, r0; /* Clear sticky fsr */
388 nop 388 nop
389 389
390 /* 390 /*