12345678910111213141516171819202122232425262728 |
- .globl utrap_trap
- .type utrap_trap,#function
- utrap_trap: /* %g3=handler,%g4=level */
- TRAP_LOAD_THREAD_REG(%g6, %g1)
- ldx [%g6 + TI_UTRAPS], %g1
- brnz,pt %g1, invoke_utrap
- nop
- ba,pt %xcc, etrap
- rd %pc, %g7
- mov %l4, %o1
- call bad_trap
- add %sp, PTREGS_OFF, %o0
- ba,a,pt %xcc, rtrap
- invoke_utrap:
- sllx %g3, 3, %g3
- ldx [%g1 + %g3], %g1
- save %sp, -128, %sp
- rdpr %tstate, %l6
- rdpr %cwp, %l7
- andn %l6, TSTATE_CWP, %l6
- wrpr %l6, %l7, %tstate
- rdpr %tpc, %l6
- rdpr %tnpc, %l7
- wrpr %g1, 0, %tnpc
- done
- .size utrap_trap,.-utrap_trap
|