| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright(c) 2015 EZchip Technologies. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms and conditions of the GNU General Public License, |
| 6 | * version 2, as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 11 | * more details. |
| 12 | * |
| 13 | * The full GNU General Public License is included in this distribution in |
| 14 | * the file called "COPYING". |
| 15 | */ |
| 16 | |
| 17 | #include <linux/sched.h> |
| 18 | #include <asm/processor.h> |
| 19 | #include <plat/ctop.h> |
| 20 | |
| 21 | void dp_save_restore(struct task_struct *prev, struct task_struct *next) |
| 22 | { |
| 23 | struct eznps_dp *prev_task_dp = &prev->thread.dp; |
| 24 | struct eznps_dp *next_task_dp = &next->thread.dp; |
| 25 | |
| 26 | /* Here we save all Data Plane related auxiliary registers */ |
| 27 | prev_task_dp->eflags = read_aux_reg(CTOP_AUX_EFLAGS); |
| 28 | write_aux_reg(CTOP_AUX_EFLAGS, next_task_dp->eflags); |
| 29 | |
| 30 | prev_task_dp->gpa1 = read_aux_reg(CTOP_AUX_GPA1); |
| 31 | write_aux_reg(CTOP_AUX_GPA1, next_task_dp->gpa1); |
| 32 | } |