| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright(c) 2015 EZchip Technologies. |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #include <linux/sched.h> |
| 7 | #include <asm/processor.h> |
| 8 | #include <plat/ctop.h> |
| 9 | |
| 10 | void dp_save_restore(struct task_struct *prev, struct task_struct *next) |
| 11 | { |
| 12 | struct eznps_dp *prev_task_dp = &prev->thread.dp; |
| 13 | struct eznps_dp *next_task_dp = &next->thread.dp; |
| 14 | |
| 15 | /* Here we save all Data Plane related auxiliary registers */ |
| 16 | prev_task_dp->eflags = read_aux_reg(CTOP_AUX_EFLAGS); |
| 17 | write_aux_reg(CTOP_AUX_EFLAGS, next_task_dp->eflags); |
| 18 | |
| 19 | prev_task_dp->gpa1 = read_aux_reg(CTOP_AUX_GPA1); |
| 20 | write_aux_reg(CTOP_AUX_GPA1, next_task_dp->gpa1); |
| 21 | } |