81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/* cpu_info.c
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* Routines to report information about the CPU on which we're running
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <string.h>
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#include <glib.h>
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#include <wsutil/ws_cpuid.h>
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#include <wsutil/cpu_info.h>
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/*
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* Get the CPU info, and append it to the GString
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*/
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void
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get_cpu_info(GString *str _U_)
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{
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guint32 CPUInfo[4];
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char CPUBrandString[0x40];
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unsigned nExIds;
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/* http://msdn.microsoft.com/en-us/library/hskdteyh(v=vs.100).aspx */
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/* Calling __cpuid with 0x80000000 as the InfoType argument*/
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/* gets the number of valid extended IDs.*/
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if (!ws_cpuid(CPUInfo, 0x80000000))
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return;
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nExIds = CPUInfo[0];
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if( nExIds<0x80000005)
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return;
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memset(CPUBrandString, 0, sizeof(CPUBrandString));
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/* Interpret CPU brand string.*/
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ws_cpuid(CPUInfo, 0x80000002);
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memcpy(CPUBrandString, CPUInfo, sizeof(CPUInfo));
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ws_cpuid(CPUInfo, 0x80000003);
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memcpy(CPUBrandString + 16, CPUInfo, sizeof(CPUInfo));
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ws_cpuid(CPUInfo, 0x80000004);
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memcpy(CPUBrandString + 32, CPUInfo, sizeof(CPUInfo));
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g_string_append_printf(str, "\n%s", CPUBrandString);
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if (ws_cpuid_sse42())
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g_string_append(str, " (with SSE4.2)");
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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