x86_board_lpm.c
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/*
* Copyright (C) 2014 René Kijewski <rene.kijewski@fu-berlin.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_qemu-i386
* @{
*
* @file
* @brief Low-power mode emulation for qemu-i386.
*
* @author René Kijewski <rene.kijewski@fu-berlin.de>
*
* @}
*/
#include "lpm.h"
#include "x86_reboot.h"
void lpm_init(void)
{
/* void */
}
enum lpm_mode lpm_set(enum lpm_mode target)
{
if (target != LPM_ON) {
if (target == LPM_POWERDOWN) {
x86_shutdown();
}
__asm__ volatile ("hlt");
}
return LPM_UNKNOWN;
}
void lpm_awake(void)
{
/* void */
}
void lpm_begin_awake(void)
{
/* void */
}
void lpm_end_awake(void)
{
/* void */
}