| e2fd1374c705abe4661df3fb6fadb3879c7c1846 |
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22-Jan-2014 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: introduce spill_registers_kernel macro
Most in-kernel users want registers spilled on the kernel stack and
don't require PS.EXCM to be set. That means that they don't need fixup
routine and could reuse regular window overflow mechanism for that,
which makes spill routine very simple.
Cc: stable@vger.kernel.org
Suggested-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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| f615136c06a791364f5afa8b8ba965315a6440f1 |
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17-Oct-2013 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: add SMP support
This is largely based on SMP code from the xtensa-2.6.29-smp tree by
Piet Delaney, Marc Gauthier, Joe Taylor, Christian Zankel (and possibly
other Tensilica folks).
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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| 4e96274e2b7a7463de6849c0411d876182ee8889 |
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06-Apr-2013 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: clean up stpill_registers
- remove unused asm parameters;
- fix EXCM bit setting in the PS SR during _spill_registers call.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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| 2d6f82fee45a52359012948306587eba704cf35b |
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03-Feb-2013 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: move spill_registers to traps.h
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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| 28570e8dac5c86ab10ce2a7e9c02d3aaece63760 |
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19-Nov-2012 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: add trap_set_handler function
trap_set_handler sets new C-handler in the exception table and returns
previous handler.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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