1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vpx_ports/x86_cpuid.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,49 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +#include <string.h>
1.15 +#include "x86.h"
1.16 +
1.17 +struct cpuid_vendors {
1.18 + char vendor_string[12];
1.19 + vpx_cpu_t vendor_id;
1.20 +};
1.21 +
1.22 +static struct cpuid_vendors cpuid_vendor_list[VPX_CPU_LAST] = {
1.23 + { "AuthenticAMD", VPX_CPU_AMD },
1.24 + { "AMDisbetter!", VPX_CPU_AMD_OLD },
1.25 + { "CentaurHauls", VPX_CPU_CENTAUR },
1.26 + { "CyrixInstead", VPX_CPU_CYRIX },
1.27 + { "GenuineIntel", VPX_CPU_INTEL },
1.28 + { "NexGenDriven", VPX_CPU_NEXGEN },
1.29 + { "Geode by NSC", VPX_CPU_NSC },
1.30 + { "RiseRiseRise", VPX_CPU_RISE },
1.31 + { "SiS SiS SiS ", VPX_CPU_SIS },
1.32 + { "GenuineTMx86", VPX_CPU_TRANSMETA },
1.33 + { "TransmetaCPU", VPX_CPU_TRANSMETA_OLD },
1.34 + { "UMC UMC UMC ", VPX_CPU_UMC },
1.35 + { "VIA VIA VIA ", VPX_CPU_VIA },
1.36 +};
1.37 +
1.38 +vpx_cpu_t vpx_x86_vendor(void) {
1.39 + unsigned int reg_eax;
1.40 + unsigned int vs[3];
1.41 + int i;
1.42 +
1.43 + /* Get the Vendor String from the CPU */
1.44 + cpuid(0, reg_eax, vs[0], vs[2], vs[1]);
1.45 +
1.46 + for (i = 0; i < VPX_CPU_LAST; i++) {
1.47 + if (strncmp((const char *)vs, cpuid_vendor_list[i].vendor_string, 12) == 0)
1.48 + return (cpuid_vendor_list[i].vendor_id);
1.49 + }
1.50 +
1.51 + return VPX_CPU_UNKNOWN;
1.52 +}
