cpuid.c
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/*
* Copyright (C) 2014 Martine Lenders <mlenders@inf.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.
*/
/**
* @addtogroup cpu_native
* @{
*
* @file
* @brief Implementation
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*
* @}
*/
#include <string.h>
#include <stdint.h>
#include "cpu_conf.h"
#include "native_internal.h"
#include "periph/cpuid.h"
void cpuid_get(void *id)
{
/* Just in case _native_id is shorter than CPUID_LEN: */
size_t len = CPUID_LEN;
if (sizeof(_native_id) < CPUID_LEN) {
memset(((char*)id) + sizeof(_native_id), 0xff,
CPUID_LEN - sizeof(_native_id));
len = sizeof(_native_id);
}
memcpy(id, &(_native_id), len);
}