forked from Minki/linux
4fa9c49f4d
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms and conditions of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details the full gnu general public license is included in this distribution in the file called copying this program is free software you can redistribute it and or modify it under the terms and conditions of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope [that] it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details the full gnu general public license is included in this distribution in the file called copying extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 57 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.515993066@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
22 lines
623 B
C
22 lines
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);
|
|
}
|