linux/linux-5.4.31/arch/powerpc/kernel/swsusp.c

34 lines
650 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Common powerpc suspend code for 32 and 64 bits
*
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
*/
#include <linux/sched.h>
#include <linux/suspend.h>
#include <asm/current.h>
#include <asm/mmu_context.h>
#include <asm/switch_to.h>
void save_processor_state(void)
{
/*
* flush out all the special registers so we don't need
* to save them in the snapshot
*/
flush_all_to_thread(current);
#ifdef CONFIG_PPC64
hard_irq_disable();
#endif
}
void restore_processor_state(void)
{
#ifdef CONFIG_PPC32
switch_mmu_context(current->active_mm, current->active_mm, NULL);
#endif
}