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33 lines
749 B
C
33 lines
749 B
C
/*
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* SPDX-FileCopyrightText: 2014 Martine Lenders <mlenders@inf.fu-berlin.de>
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* SPDX-License-Identifier: LGPL-2.1-only
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*/
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/**
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* @file
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* @ingroup cpu_native
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* @ingroup drivers_periph_cpuid
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* @brief CPUID implementation
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* @author Martine Lenders <mlenders@inf.fu-berlin.de>
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*/
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#include <string.h>
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#include <stdint.h>
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#include "cpu_conf.h"
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#include "native_internal.h"
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#include "periph/cpuid.h"
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void cpuid_get(void *id)
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{
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/* Just in case _native_id is shorter than CPUID_LEN: */
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size_t len = CPUID_LEN;
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if (sizeof(_native_id) < CPUID_LEN) {
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memset(((char*)id) + sizeof(_native_id), 0xff,
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CPUID_LEN - sizeof(_native_id));
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len = sizeof(_native_id);
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}
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memcpy(id, &(_native_id), len);
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}
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