| 227,23 → 227,17 |
|---|
| |
| |
| .macro WRITE_ALTERNATE_REGISTER reg, bit |
| save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| rdpr %pstate, %l0 |
| wrpr %l0, \bit, %pstate |
| mov %i0, \reg |
| wrpr %l0, 0, %pstate |
| ret |
| restore |
| wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate |
| mov %o0, \reg |
| retl |
| wrpr %g0, PSTATE_PRIV_BIT, %pstate |
| .endm |
| |
| .macro READ_ALTERNATE_REGISTER reg, bit |
| save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| rdpr %pstate, %l0 |
| wrpr %l0, \bit, %pstate |
| mov \reg, %i0 |
| wrpr %l0, 0, %pstate |
| ret |
| restore |
| wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate |
| mov \reg, %o0 |
| retl |
| wrpr %g0, PSTATE_PRIV_BIT, %pstate |
| .endm |
| |
| .global write_to_ag_g6 |
| 305,3 → 299,4 |
|---|
| wrpr %g0, WSTATE_OTHER(0) | WSTATE_NORMAL(1), %wstate |
| |
| done ! jump to userspace |
| |