22 строки
623 B
C
22 строки
623 B
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Copyright(c) 2015 EZchip Technologies.
|
|
*/
|
|
|
|
#include <linux/sched.h>
|
|
#include <asm/processor.h>
|
|
#include <plat/ctop.h>
|
|
|
|
void dp_save_restore(struct task_struct *prev, struct task_struct *next)
|
|
{
|
|
struct eznps_dp *prev_task_dp = &prev->thread.dp;
|
|
struct eznps_dp *next_task_dp = &next->thread.dp;
|
|
|
|
/* Here we save all Data Plane related auxiliary registers */
|
|
prev_task_dp->eflags = read_aux_reg(CTOP_AUX_EFLAGS);
|
|
write_aux_reg(CTOP_AUX_EFLAGS, next_task_dp->eflags);
|
|
|
|
prev_task_dp->gpa1 = read_aux_reg(CTOP_AUX_GPA1);
|
|
write_aux_reg(CTOP_AUX_GPA1, next_task_dp->gpa1);
|
|
}
|