psci_system_off.c

/*
 * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of ARM nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <stddef.h>
#include <arch_helpers.h>
#include <debug.h>
#include <platform.h>
#include "psci_private.h"

void psci_system_off(void)
{
	/* Check platform support */
	if (!psci_plat_pm_ops->system_off) {
		ERROR("Platform has not exported a PSCI System Off hook.\n");
		panic();
	}

	psci_print_affinity_map();

	/* Notify the Secure Payload Dispatcher */
	if (psci_spd_pm && psci_spd_pm->svc_system_off) {
		psci_spd_pm->svc_system_off();
	}

	/* Call the platform specific hook */
	psci_plat_pm_ops->system_off();

	/* This function does not return. We should never get here */
}

void psci_system_reset(void)
{
	/* Check platform support */
	if (!psci_plat_pm_ops->system_reset) {
		ERROR("Platform has not exported a PSCI System Reset hook.\n");
		panic();
	}

	psci_print_affinity_map();

	/* Notify the Secure Payload Dispatcher */
	if (psci_spd_pm && psci_spd_pm->svc_system_reset) {
		psci_spd_pm->svc_system_reset();
	}

	/* Call the platform specific hook */
	psci_plat_pm_ops->system_reset();

	/* This function does not return. We should never get here */
}