| 737,6 → 737,7 |
|---|
| rdpr %tstate, %g1 |
| rdpr %tpc, %g2 |
| rdpr %tnpc, %g3 |
| rd %y, %g4 |
| |
| /* |
| * The following memory accesses will not fault |
| 754,7 → 755,6 |
|---|
| * 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 |
| 787,12 → 787,6 |
|---|
| 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 |
| 808,6 → 802,11 |
|---|
| wrpr %g2, 0, %tpc |
| wrpr %g3, 0, %tnpc |
| |
| /* |
| * Restore Y. |
| */ |
| ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_Y], %g4 |
| wr %g4, %y |
| |
| /* |
| * If OTHERWIN is zero, then all the userspace windows have been |