| Chen-Yu Tsai | 45c334e | 2016-07-05 21:45:07 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Common PSCI functions |
| 3 | * |
| 4 | * Copyright (C) 2016 Chen-Yu Tsai |
| 5 | * Author: Chen-Yu Tsai <wens@csie.org> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | #include <config.h> |
| 21 | #include <asm/armv7.h> |
| 22 | #include <asm/macro.h> |
| 23 | #include <asm/psci.h> |
| 24 | #include <asm/secure.h> |
| 25 | #include <linux/linkage.h> |
| 26 | |
| 27 | static u32 psci_target_pc[CONFIG_ARMV7_PSCI_NR_CPUS] __secure_data = { 0 }; |
| 28 | |
| 29 | void __secure psci_save_target_pc(int cpu, u32 pc) |
| 30 | { |
| 31 | psci_target_pc[cpu] = pc; |
| 32 | DSB; |
| 33 | } |
| 34 | |
| 35 | u32 __secure psci_get_target_pc(int cpu) |
| 36 | { |
| 37 | return psci_target_pc[cpu]; |
| 38 | } |
| 39 | |