Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * 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 <asm/suspend.h>

#include <asm/system.h>

#include <asm/current.h>

#include <asm/mmu_context.h>

void save_processor_state(void)

{

        /*

         * flush out all the special registers so we don't need

         * to save them in the snapshot

         */

        flush_fp_to_thread(current);

        flush_altivec_to_thread(current);

        flush_spe_to_thread(current);

#ifdef CONFIG_PPC64

        hard_irq_disable();

#endif

}

void restore_processor_state(void)

{

#ifdef CONFIG_PPC32

        set_context(current->active_mm->context.id, current->active_mm->pgd);

#endif

}