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* xtensa: clean up stpill_registersMax Filippov2013-05-09
| | | | | | | | - 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>
* xtensa: move spill_registers to traps.hMax Filippov2013-02-23
| | | | | Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: add trap_set_handler functionMax Filippov2012-12-19
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>