2019-05-27 14:55:01 +08:00
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// SPDX-License-Identifier: GPL-2.0-or-later
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2007-04-30 19:37:15 +08:00
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/*
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* Common powerpc suspend code for 32 and 64 bits
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*
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* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
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*/
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#include <linux/sched.h>
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2017-03-06 16:25:31 +08:00
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#include <linux/suspend.h>
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2007-04-30 19:37:15 +08:00
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#include <asm/current.h>
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#include <asm/mmu_context.h>
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2012-03-29 01:30:02 +08:00
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#include <asm/switch_to.h>
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2007-04-30 19:37:15 +08:00
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void save_processor_state(void)
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{
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/*
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* flush out all the special registers so we don't need
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* to save them in the snapshot
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*/
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2015-10-29 08:44:09 +08:00
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flush_all_to_thread(current);
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2007-05-03 20:31:38 +08:00
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#ifdef CONFIG_PPC64
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hard_irq_disable();
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#endif
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2007-04-30 19:37:15 +08:00
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}
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void restore_processor_state(void)
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{
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#ifdef CONFIG_PPC32
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2016-04-29 21:26:01 +08:00
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switch_mmu_context(current->active_mm, current->active_mm, NULL);
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2007-04-30 19:37:15 +08:00
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#endif
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}
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