| 746,6 → 746,16 |
|---|
| stx %g1, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TSTATE] |
| stx %g2, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TPC] |
| stx %g3, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TNPC] |
| |
| /* |
| * Save the Y register. |
| * This register is deprecated according to SPARC V9 specification |
| * and is only present for backward compatibility with previous |
| * versions of the SPARC architecture. |
| * Surprisingly, gcc makes use of this register without a notice. |
| */ |
| rd %y, %g4 |
| stx %g4, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_Y] |
| |
| wrpr %g0, 0, %tl |
| wrpr %g0, PSTATE_PRIV_BIT | PSTATE_PEF_BIT, %pstate |
| 777,6 → 787,12 |
|---|
| ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TNPC], %g3 |
| |
| /* |
| * Restore Y. |
| */ |
| ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_Y], %g4 |
| wr %g4, %y |
| |
| /* |
| * Copy PSTATE.PEF to the in-register copy of TSTATE. |
| */ |
| and %l1, PSTATE_PEF_BIT, %l1 |