| 150,6 → 150,7 |
|---|
| * |
| * %o0 Userspace entry address. |
| * %o1 Userspace stack pointer address. |
| * %o2 Userspace address of uarg structure. |
| */ |
| .global switch_to_userspace |
| switch_to_userspace: |
| 157,6 → 158,8 |
|---|
| wrpr %g0, 0, %cleanwin ! avoid information leak |
| save %o1, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| |
| mov %i3, %o0 ! uarg |
| |
| clr %i2 |
| clr %i3 |
| clr %i4 |
| 178,5 → 181,10 |
|---|
| ldxa [VA_SECONDARY_CONTEXT_REG] %asi, %g1 |
| stxa %g1, [VA_PRIMARY_CONTEXT_REG] %asi |
| flush %i7 |
| |
| /* |
| * Spills and fills will be handled by the userspace handlers. |
| */ |
| wrpr %g0, WSTATE_OTHER(0) | WSTATE_NORMAL(1), %wstate |
| |
| done ! jump to userspace |