blob: 0050b2d2ff7ad004f7192f782615eb1ef5678562 [file] [log] [blame]
/*
* Common powerpc suspend code for 32 and 64 bits
*
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#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
}