/* * Copyright(c) 2015 EZchip Technologies. * * 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". */ #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); }