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| /* SPDX-License-Identifier: GPL-2.0 */
| .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
|
|
