Lines Matching refs:a0
77 s32i a0, a2, PT_AREG0 # save a0 to ESF
78 rsr a0, exccause # retrieve exception cause
79 s32i a0, a2, PT_DEPC # mark it as a regular exception
80 addx4 a0, a0, a3 # find entry in table
81 l32i a0, a0, EXC_TABLE_FAST_USER # load handler
83 jx a0
104 s32i a0, a2, PT_AREG0 # save a0 to ESF
105 rsr a0, exccause # retrieve exception cause
106 s32i a0, a2, PT_DEPC # mark it as a regular exception
107 addx4 a0, a0, a3 # find entry in table
108 l32i a0, a0, EXC_TABLE_FAST_KERNEL # load handler address
110 jx a0
227 xsr a0, depc # get DEPC, save a0
230 _bltu a0, a2, .Lfixup
232 _bgeu a0, a2, .Lfixup
240 bbci.l a0, 6, _DoubleExceptionVector_WindowOverflow
261 rsr a0, ps
262 extui a0, a0, PS_OWB_SHIFT, PS_OWB_WIDTH
263 wsr a0, windowbase
269 s32i a0, a2, PT_AREG0
271 rsr a0, exccause
272 s32i a0, a2, PT_DEPC # mark it as a regular exception
273 addx4 a0, a0, a3
275 l32i a0, a0, EXC_TABLE_FAST_USER
276 jx a0
304 xsr a0, depc
308 wsr a0, excsave1
333 s32i a0, a2, PT_DEPC
334 l32i a0, a3, EXC_TABLE_DOUBLE_SAVE
335 xsr a0, depc
336 s32i a0, a2, PT_AREG0
340 rsr a0, exccause
341 addx4 a0, a0, a3
343 l32i a0, a0, EXC_TABLE_FAST_USER
344 jx a0
376 extui a2, a0, 0, 6 # get offset into 64-byte vector handler
394 bbsi.l a0, 7, 2f
400 l32e a0, a9, -16
401 wsr a0, depc # replace the saved a0
409 l32e a0, a13, -16
410 wsr a0, depc # replace the saved a0
413 movi a0, 0
414 s32i a0, a3, EXC_TABLE_FIXUP
426 rsr a0, ps
427 extui a0, a0, PS_OWB_SHIFT, PS_OWB_WIDTH
429 sub a0, a2, a0
430 extui a0, a0, 0, 3
434 beqi a0, 1, .L1pane
435 beqi a0, 3, .L3pane
437 rsr a0, depc
452 s32i a0, a2, PT_AREG0
453 rsr a0, exccause
455 s32i a0, a2, PT_DEPC
458 addi a0, a0, -EXCCAUSE_UNALIGNED
459 beqz a0, 2f
460 addx4 a0, a0, a3
461 l32i a0, a0, EXC_TABLE_FAST_USER + 4 * EXCCAUSE_UNALIGNED
463 jx a0
465 movi a0, user_exception
467 jx a0
470 rsr a0, depc
475 rsr a0, depc
513 rsr a0, ps
514 extui a0, a0, PS_OWB_SHIFT, PS_OWB_WIDTH
516 sub a0, a2, a0
517 extui a0, a0, 0, 3
521 _beqi a0, 1, .Lhandle_1
522 _beqi a0, 3, .Lhandle_3
526 rsr a0, depc
532 s32i a0, a2, PT_AREG0
534 movi a0, .Lrestore_\n
535 s32i a0, a2, PT_DEPC
536 rsr a0, exccause
562 bbsi.l a0, 7, 1f
563 l32e a0, a9, -16
566 l32e a0, a13, -16
605 s32i a0, a3, DT_DEBUG_SAVE
606 l32i a0, a3, DT_DEBUG_EXCEPTION
607 jx a0
631 wsr a0, excsave2
632 rsr a0, epc\level
633 wsr a0, epc1
635 movi a0, EXCCAUSE_LEVEL1_INTERRUPT
637 movi a0, EXCCAUSE_MAPPED_NMI
639 wsr a0, exccause
640 rsr a0, eps\level
675 s32e a0, a5, -16
692 addi a0, a0, (1 << PS_EXCM_BIT)
694 wsr a0, ps
696 bbsi.l a0, PS_UM_BIT, 1f # branch if user mode
697 xsr a0, excsave2 # restore a0
699 1: xsr a0, excsave2 # restore a0
708 l32e a0, a5, -16
720 s32e a0, a9, -16
721 l32e a0, a1, -12
725 s32e a4, a0, -32
726 s32e a5, a0, -28
727 s32e a6, a0, -24
728 s32e a7, a0, -20
738 l32e a0, a9, -16
754 s32e a0, a13, -16
755 l32e a0, a1, -12
759 s32e a4, a0, -48
760 s32e a5, a0, -44
761 s32e a6, a0, -40
762 s32e a7, a0, -36
763 s32e a8, a0, -32
764 s32e a9, a0, -28
765 s32e a10, a0, -24
766 s32e a11, a0, -20
776 l32e a0, a13, -16