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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <string.h>
#include "x86.h"
struct cpuid_vendors
{
char vendor_string[12];
vpx_cpu_t vendor_id;
};
static struct cpuid_vendors cpuid_vendor_list[VPX_CPU_LAST] =
{
{ "AuthenticAMD", VPX_CPU_AMD },
{ "AMDisbetter!", VPX_CPU_AMD_OLD },
{ "CentaurHauls", VPX_CPU_CENTAUR },
{ "CyrixInstead", VPX_CPU_CYRIX },
{ "GenuineIntel", VPX_CPU_INTEL },
{ "NexGenDriven", VPX_CPU_NEXGEN },
{ "Geode by NSC", VPX_CPU_NSC },
{ "RiseRiseRise", VPX_CPU_RISE },
{ "SiS SiS SiS ", VPX_CPU_SIS },
{ "GenuineTMx86", VPX_CPU_TRANSMETA },
{ "TransmetaCPU", VPX_CPU_TRANSMETA_OLD },
{ "UMC UMC UMC ", VPX_CPU_UMC },
{ "VIA VIA VIA ", VPX_CPU_VIA },
};
vpx_cpu_t vpx_x86_vendor(void)
{
unsigned int reg_eax;
unsigned int vs[3];
int i;
/* Get the Vendor String from the CPU */
cpuid(0, reg_eax, vs[0], vs[2], vs[1]);
for (i = 0; i < VPX_CPU_LAST; i++)
{
if (strncmp ((const char *)vs, cpuid_vendor_list[i].vendor_string, 12) == 0)
return (cpuid_vendor_list[i].vendor_id);
}
return VPX_CPU_UNKNOWN;
}
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