projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| be9c94dd JB |
1 | /* |
| 2 | * Common powerpc suspend code for 32 and 64 bits | |
| 3 | * | |
| 4 | * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the License, or (at your option) any later version. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <linux/sched.h> | |
| be9c94dd JB |
13 | #include <asm/current.h> |
| 14 | #include <asm/mmu_context.h> | |
| ae3a197e | 15 | #include <asm/switch_to.h> |
| be9c94dd JB |
16 | |
| 17 | void save_processor_state(void) | |
| 18 | { | |
| 19 | /* | |
| 20 | * flush out all the special registers so we don't need | |
| 21 | * to save them in the snapshot | |
| 22 | */ | |
| 579e633e | 23 | flush_all_to_thread(current); |
| 543b9fd3 JB |
24 | |
| 25 | #ifdef CONFIG_PPC64 | |
| 26 | hard_irq_disable(); | |
| 27 | #endif | |
| 28 | ||
| be9c94dd JB |
29 | } |
| 30 | ||
| 31 | void restore_processor_state(void) | |
| 32 | { | |
| 33 | #ifdef CONFIG_PPC32 | |
| 0330581a | 34 | switch_mmu_context(current->active_mm, current->active_mm); |
| be9c94dd JB |
35 | #endif |
| 36 | } |