linux-sgx-trts-modified/psw/urts/cpu_features.h

/*
 * Copyright (C) 2011-2017 Intel Corporation. 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 Intel Corporation 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
 * OWNER 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.
 *
 */

#ifndef _CPU_FEATURES_H_
#define _CPU_FEATURES_H_

#include "cpuid.h"

void get_cpu_features(uint64_t *__intel_cpu_feature_indicator);

inline void sgx_cpuid(unsigned int in_eax, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx)
{
    int cpu_info[4] = {0};
    __cpuid(cpu_info, in_eax);
    *eax = cpu_info[0];
    *ebx = cpu_info[1];
    *ecx = cpu_info[2];
    *edx = cpu_info[3];
}

inline void sgx_cpuidex(unsigned int in_eax, unsigned int leaf, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx)
{
    int cpu_info[4] = {0};
    __cpuidex(cpu_info, in_eax, leaf);
    *eax = cpu_info[0];
    *ebx = cpu_info[1];
    *ecx = cpu_info[2];
    *edx = cpu_info[3];
}

#endif