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/* $Id: bs3-cmn-GetCpuVendor.c $ */
/** @file
 * BS3Kit - Bs3GetCpuVendor
 */

/*
 * Copyright (C) 2007-2023 Oracle and/or its affiliates.
 *
 * This file is part of VirtualBox base platform packages, as
 * available from https://www.virtualbox.org.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation, in version 3 of the
 * License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <https://www.gnu.org/licenses>.
 *
 * The contents of this file may alternatively be used under the terms
 * of the Common Development and Distribution License Version 1.0
 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
 * in the VirtualBox distribution, in which case the provisions of the
 * CDDL are applicable instead of those of the GPL.
 *
 * You may elect to license modified versions of this file under the
 * terms and conditions of either the GPL or the CDDL or both.
 *
 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
 */

#include "bs3kit-template-header.h"

#include <iprt/asm-amd64-x86.h>


#undef Bs3GetCpuVendor
BS3_CMN_DEF(BS3CPUVENDOR, Bs3GetCpuVendor,(void))
{
    if (g_uBs3CpuDetected & BS3CPU_F_CPUID)
    {
        uint32_t uEbx, uEcx, uEdx;
        ASMCpuIdExSlow(0, 0, 0, 0, NULL, &uEbx, &uEcx, &uEdx);
        if (RTX86IsIntelCpu(uEbx, uEcx, uEdx))
            return BS3CPUVENDOR_INTEL;
        if (RTX86IsAmdCpu(uEbx, uEcx, uEdx))
            return BS3CPUVENDOR_AMD;
        if (RTX86IsViaCentaurCpu(uEbx, uEcx, uEdx))
            return BS3CPUVENDOR_VIA;
        if (RTX86IsShanghaiCpu(uEbx, uEcx, uEdx))
            return BS3CPUVENDOR_SHANGHAI;
        if (RTX86IsHygonCpu(uEbx, uEcx, uEdx))
            return BS3CPUVENDOR_HYGON;
        return BS3CPUVENDOR_UNKNOWN;
    }
    return BS3CPUVENDOR_INTEL;
}