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