linux-toradex.git/arch/microblaze/kernel/hw_exception_handler.S, branch v2.6.32.31 Linux kernel for Apalis and Colibri modules microblaze: Clear sticky FSR register after saving it to func parametr 2009-10-05T09:37:47+00:00 Michal Simek monstr@monstr.eu 2009-09-28T06:50:53+00:00 131e4e97bfee809dc64febe8accef2f042a92722 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> 
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>
microblaze: Clear sticky FSR register after generating exception signals 2009-09-22T08:00:42+00:00 John Williams john.williams@petalogix.com 2009-09-15T02:29:55+00:00 71b23d547b5a06f49acacaf742ebf1a85673f8d1 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> 
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>
microblaze: Save and restore msr in hw exception 2009-09-22T06:50:15+00:00 Michal Simek monstr@monstr.eu 2009-09-17T15:37:33+00:00 ac854ff1fc779101ff1989c3a20c1f238a2b5f3a I thought that this part of code could be removed because just save and restore MSR but any code can't change it. But seems to that any part of code works with this information. This patch solved problem with allocation. Signed-off-by: Michal Simek <monstr@monstr.eu> 
I thought that this part of code could be removed because just
save and restore MSR but any code can't change it. But seems to
that any part of code works with this information.

This patch solved problem with allocation.

Signed-off-by: Michal Simek <monstr@monstr.eu>
microblaze: Support unaligned address for put/get_user macros 2009-07-27T07:03:15+00:00 Michal Simek monstr@monstr.eu 2009-07-21T10:48:01+00:00 3863dbceac7e69642b95f43de1c12c6236fdbe5b This patch add support for cases where load/store instruction in put/get_user macro gets unaligned pointer to data and this address is not valid. I prevent all cases which can failed. I had to disable first stage of unaligned handler which is used only for noMMU kernel and the whole work is done when interrupt is enabled. You have enable HW support for detect unaligned access in Microblaze. This patch fixed three LTP tests: getpeername01, getsockname01, socketpair01 Signed-off-by: Michal Simek <monstr@monstr.eu> 
This patch add support for cases where load/store instruction
in put/get_user macro gets unaligned pointer to data and this
address is not valid. I prevent all cases which can failed.
I had to disable first stage of unaligned handler which is used
only for noMMU kernel and the whole work is done when interrupt
is enabled.
You have enable HW support for detect unaligned access in Microblaze.

This patch fixed three LTP tests:
getpeername01, getsockname01, socketpair01

Signed-off-by: Michal Simek <monstr@monstr.eu>
microblaze_mmu_v2: Update exception handling - MMU exception 2009-05-26T14:45:20+00:00 Michal Simek monstr@monstr.eu 2009-05-26T14:30:22+00:00 7db29dde731db02143418cfa008b7b77ccb2fa57 Signed-off-by: Michal Simek <monstr@monstr.eu> 
Signed-off-by: Michal Simek <monstr@monstr.eu>
microblaze_v8: exception handling 2009-03-27T13:25:13+00:00 Michal Simek monstr@monstr.eu 2009-03-27T13:25:13+00:00 c4df4bc155bbe18fb91800bb9d29499a4fb211ad Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: John Linn <john.linn@xilinx.com> Acked-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu> 
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: John Linn <john.linn@xilinx.com>
Acked-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>