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|
/**
* @file llprocessor.cpp
* @brief Code to figure out the processor. Originally by Benjamin Jurke.
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2007, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
// Filename: Processor.cpp
// =======================
// Author: Benjamin Jurke
// File history: 27.02.2002 - File created. Support for Intel and AMD processors
// 05.03.2002 - Fixed the CPUID bug: On Pre-Pentium CPUs the CPUID
// command is not available
// - The CProcessor::WriteInfoTextFile function do not
// longer use Win32 file functions (-> os independend)
// - Optional include of the windows.h header which is
// still need for CProcessor::GetCPUFrequency.
// 06.03.2002 - My birthday (18th :-))
// - Replaced the '\r\n' line endings in function
// CProcessor::CPUInfoToText by '\n'
// - Replaced unsigned __int64 by signed __int64 for
// solving some compiler conversion problems
// - Fixed a bug at family=6, model=6 (Celeron -> P2)
//////////////////////////////////////////////////////////////////////////////////
#include "linden_common.h"
#include "processor.h"
#include <memory>
#if LL_WINDOWS
# define WIN32_LEAN_AND_MEAN
# include <winsock2.h>
# include <windows.h>
#endif
#if !LL_DARWIN && !LL_SOLARIS
#ifdef PROCESSOR_FREQUENCY_MEASURE_AVAILABLE
// We need the QueryPerformanceCounter and Sleep functions
#define FORCEINLINE __forceinline
#else
#define FORCEINLINE
#endif
// Some macros we often need
////////////////////////////
#define CheckBit(var, bit) ((var & (1 << bit)) ? true : false)
#ifdef PROCESSOR_FREQUENCY_MEASURE_AVAILABLE
// Delays for the specified amount of milliseconds
static void _Delay(unsigned int ms)
{
LARGE_INTEGER freq, c1, c2;
__int64 x;
// Get High-Res Timer frequency
if (!QueryPerformanceFrequency(&freq))
return;
// Convert ms to High-Res Timer value
x = freq.QuadPart/1000*ms;
// Get first snapshot of High-Res Timer value
QueryPerformanceCounter(&c1);
do
{
// Get second snapshot
QueryPerformanceCounter(&c2);
}while(c2.QuadPart-c1.QuadPart < x);
// Loop while (second-first < x)
}
#endif
// CProcessor::CProcessor
// ======================
// Class constructor:
/////////////////////////
CProcessor::CProcessor()
{
uqwFrequency = 0;
strCPUName[0] = 0;
memset(&CPUInfo, 0, sizeof(CPUInfo));
}
// unsigned __int64 CProcessor::GetCPUFrequency(unsigned int uiMeasureMSecs)
// =========================================================================
// Function to measure the current CPU frequency
////////////////////////////////////////////////////////////////////////////
F64 CProcessor::GetCPUFrequency(unsigned int uiMeasureMSecs)
{
#ifndef PROCESSOR_FREQUENCY_MEASURE_AVAILABLE
return 0;
#else
// If there are invalid measure time parameters, zero msecs for example,
// we've to exit the function
if (uiMeasureMSecs < 1)
{
// If theres already a measured frequency available, we return it
if (uqwFrequency > 0)
return uqwFrequency;
else
return 0;
}
// Now we check if the CPUID command is available
if (!CheckCPUIDPresence())
return 0;
// First we get the CPUID standard level 0x00000001
unsigned long reg;
__asm
{
mov eax, 1
cpuid
mov reg, edx
}
// Then we check, if the RDTSC (Real Date Time Stamp Counter) is available.
// This function is necessary for our measure process.
if (!(reg & (1 << 4)))
return 0;
// After that we declare some vars and check the frequency of the high
// resolution timer for the measure process.
// If there's no high-res timer, we exit.
__int64 starttime, endtime, timedif, freq, start, end, dif;
if (!QueryPerformanceFrequency((LARGE_INTEGER *) &freq))
return 0;
// Now we can init the measure process. We set the process and thread priority
// to the highest available level (Realtime priority). Also we focus the
// first processor in the multiprocessor system.
HANDLE hProcess = GetCurrentProcess();
HANDLE hThread = GetCurrentThread();
unsigned long dwCurPriorityClass = GetPriorityClass(hProcess);
int iCurThreadPriority = GetThreadPriority(hThread);
unsigned long dwProcessMask, dwSystemMask, dwNewMask = 1;
GetProcessAffinityMask(hProcess, &dwProcessMask, &dwSystemMask);
SetPriorityClass(hProcess, REALTIME_PRIORITY_CLASS);
SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL);
SetProcessAffinityMask(hProcess, dwNewMask);
// Now we call a CPUID to ensure, that all other prior called functions are
// completed now (serialization)
__asm cpuid
// We ask the high-res timer for the start time
QueryPerformanceCounter((LARGE_INTEGER *) &starttime);
// Then we get the current cpu clock and store it
__asm
{
rdtsc
mov dword ptr [start+4], edx
mov dword ptr [start], eax
}
// Now we wart for some msecs
_Delay(uiMeasureMSecs);
// Sleep(uiMeasureMSecs);
// We ask for the end time
QueryPerformanceCounter((LARGE_INTEGER *) &endtime);
// And also for the end cpu clock
__asm
{
rdtsc
mov dword ptr [end+4], edx
mov dword ptr [end], eax
}
// Now we can restore the default process and thread priorities
SetProcessAffinityMask(hProcess, dwProcessMask);
SetThreadPriority(hThread, iCurThreadPriority);
SetPriorityClass(hProcess, dwCurPriorityClass);
// Then we calculate the time and clock differences
dif = end - start;
timedif = endtime - starttime;
// And finally the frequency is the clock difference divided by the time
// difference.
uqwFrequency = (F64)dif / (((F64)timedif) / freq);
// At last we just return the frequency that is also stored in the call
// member var uqwFrequency
return uqwFrequency;
#endif
}
// bool CProcessor::AnalyzeIntelProcessor()
// ========================================
// Private class function for analyzing an Intel processor
//////////////////////////////////////////////////////////
bool CProcessor::AnalyzeIntelProcessor()
{
#if LL_WINDOWS
unsigned long eaxreg, ebxreg, edxreg;
// First we check if the CPUID command is available
if (!CheckCPUIDPresence())
return false;
// Now we get the CPUID standard level 0x00000001
__asm
{
mov eax, 1
cpuid
mov eaxreg, eax
mov ebxreg, ebx
mov edxreg, edx
}
// Then get the cpu model, family, type, stepping and brand id by masking
// the eax and ebx register
CPUInfo.uiStepping = eaxreg & 0xF;
CPUInfo.uiModel = (eaxreg >> 4) & 0xF;
CPUInfo.uiFamily = (eaxreg >> 8) & 0xF;
CPUInfo.uiType = (eaxreg >> 12) & 0x3;
CPUInfo.uiBrandID = ebxreg & 0xF;
static const char* INTEL_BRAND[] =
{
/* 0x00 */ "",
/* 0x01 */ "0.18 micron Intel Celeron",
/* 0x02 */ "0.18 micron Intel Pentium III",
/* 0x03 */ "0.13 micron Intel Celeron",
/* 0x04 */ "0.13 micron Intel Pentium III",
/* 0x05 */ "",
/* 0x06 */ "0.13 micron Intel Pentium III Mobile",
/* 0x07 */ "0.13 micron Intel Celeron Mobile",
/* 0x08 */ "0.18 micron Intel Pentium 4",
/* 0x09 */ "0.13 micron Intel Pentium 4",
/* 0x0A */ "0.13 micron Intel Celeron",
/* 0x0B */ "0.13 micron Intel Pentium 4 Xeon",
/* 0x0C */ "Intel Xeon MP",
/* 0x0D */ "",
/* 0x0E */ "0.18 micron Intel Pentium 4 Xeon",
/* 0x0F */ "Mobile Intel Celeron",
/* 0x10 */ "",
/* 0x11 */ "Mobile Genuine Intel",
/* 0x12 */ "Intel Celeron M",
/* 0x13 */ "Mobile Intel Celeron",
/* 0x14 */ "Intel Celeron",
/* 0x15 */ "Mobile Genuine Intel",
/* 0x16 */ "Intel Pentium M",
/* 0x17 */ "Mobile Intel Celeron",
};
// Only override the brand if we have it in the lookup table. We should
// already have a string here from GetCPUInfo(). JC
if (CPUInfo.uiBrandID < (sizeof(INTEL_BRAND)/sizeof(INTEL_BRAND[0])))
{
strcpy(CPUInfo.strBrandID, INTEL_BRAND[CPUInfo.uiBrandID]);
if (CPUInfo.uiBrandID == 3 && CPUInfo.uiModel == 6)
{
strcpy(CPUInfo.strBrandID, "0.18 micron Intel Pentium III Xeon");
}
}
// Then we translate the cpu family
switch (CPUInfo.uiFamily)
{
case 3: // Family = 3: i386 (80386) processor family
strcpy(CPUInfo.strFamily, "Intel i386"); /* Flawfinder: ignore */
break;
case 4: // Family = 4: i486 (80486) processor family
strcpy(CPUInfo.strFamily, "Intel i486"); /* Flawfinder: ignore */
break;
case 5: // Family = 5: Pentium (80586) processor family
strcpy(CPUInfo.strFamily, "Intel Pentium"); /* Flawfinder: ignore */
break;
case 6: // Family = 6: Pentium Pro (80686) processor family
strcpy(CPUInfo.strFamily, "Intel Pentium Pro/2/3, Core"); /* Flawfinder: ignore */
break;
case 15: // Family = 15: Extended family specific
// Masking the extended family
CPUInfo.uiExtendedFamily = (eaxreg >> 20) & 0xFF;
switch (CPUInfo.uiExtendedFamily)
{
case 0: // Family = 15, Ext. Family = 0: Pentium 4 (80786 ??) processor family
strcpy(CPUInfo.strFamily, "Intel Pentium 4"); /* Flawfinder: ignore */
break;
case 1: // Family = 15, Ext. Family = 1: McKinley (64-bit) processor family
strcpy(CPUInfo.strFamily, "Intel McKinley (IA-64)"); /* Flawfinder: ignore */
break;
default: // Sure is sure
strcpy(CPUInfo.strFamily, "Unknown Intel Pentium 4+"); /* Flawfinder: ignore */
break;
}
break;
default: // Failsave
strcpy(CPUInfo.strFamily, "Unknown"); /* Flawfinder: ignore */
break;
}
// Now we come to the big deal, the exact model name
switch (CPUInfo.uiFamily)
{
case 3: // i386 (80386) processor family
strcpy(CPUInfo.strModel, "Unknown Intel i386"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i386", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 4: // i486 (80486) processor family
switch (CPUInfo.uiModel)
{
case 0: // Model = 0: i486 DX-25/33 processor model
strcpy(CPUInfo.strModel, "Intel i486 DX-25/33"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i486 DX-25/33", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 1: // Model = 1: i486 DX-50 processor model
strcpy(CPUInfo.strModel, "Intel i486 DX-50"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i486 DX-50", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 2: // Model = 2: i486 SX processor model
strcpy(CPUInfo.strModel, "Intel i486 SX"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i486 SX", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 3: // Model = 3: i486 DX2 (with i487 numeric coprocessor) processor model
strcpy(CPUInfo.strModel, "Intel i486 487/DX2"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i486 DX2 with i487 numeric coprocessor", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 4: // Model = 4: i486 SL processor model (never heard ?!?)
strcpy(CPUInfo.strModel, "Intel i486 SL"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i486 SL", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 5: // Model = 5: i486 SX2 processor model
strcpy(CPUInfo.strModel, "Intel i486 SX2"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i486 SX2", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 7: // Model = 7: i486 write-back enhanced DX2 processor model
strcpy(CPUInfo.strModel, "Intel i486 write-back enhanced DX2"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i486 write-back enhanced DX2", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 8: // Model = 8: i486 DX4 processor model
strcpy(CPUInfo.strModel, "Intel i486 DX4"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i486 DX4", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 9: // Model = 9: i486 write-back enhanced DX4 processor model
strcpy(CPUInfo.strModel, "Intel i486 write-back enhanced DX4"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i486 DX4", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
default: // ...
strcpy(CPUInfo.strModel, "Unknown Intel i486"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel i486 (Unknown model)", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
}
break;
case 5: // Pentium (80586) processor family
switch (CPUInfo.uiModel)
{
case 0: // Model = 0: Pentium (P5 A-Step) processor model
strcpy(CPUInfo.strModel, "Intel Pentium (P5 A-Step)"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel Pentium (P5 A-Step core)", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break; // Famous for the DIV bug, as far as I know
case 1: // Model = 1: Pentium 60/66 processor model
strcpy(CPUInfo.strModel, "Intel Pentium 60/66 (P5)"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel Pentium 60/66 (P5 core)", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 2: // Model = 2: Pentium 75-200 (P54C) processor model
strcpy(CPUInfo.strModel, "Intel Pentium 75-200 (P54C)"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel Pentium 75-200 (P54C core)", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
case 3: // Model = 3: Pentium overdrive for 486 systems processor model
strcpy(CPUInfo.strModel, "Intel Pentium for 486 system (P24T Overdrive)"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel Pentium for 486 (P24T overdrive core)", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 4: // Model = 4: Pentium MMX processor model
strcpy(CPUInfo.strModel, "Intel Pentium MMX (P55C)"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium MMX (P55C core)", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 7: // Model = 7: Pentium processor model (don't know difference to Model=2)
strcpy(CPUInfo.strModel, "Intel Pentium (P54C)"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium (P54C core)", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 8: // Model = 8: Pentium MMX (0.25 micron) processor model
strcpy(CPUInfo.strModel, "Intel Pentium MMX (P55C), 0.25 micron"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium MMX (P55C core), 0.25 micron", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
default: // ...
strcpy(CPUInfo.strModel, "Unknown Intel Pentium"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium (Unknown P5-model)", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
}
break;
case 6: // Pentium Pro (80686) processor family
switch (CPUInfo.uiModel)
{
case 0: // Model = 0: Pentium Pro (P6 A-Step) processor model
strcpy(CPUInfo.strModel, "Intel Pentium Pro (P6 A-Step)"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium Pro (P6 A-Step core)", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 1: // Model = 1: Pentium Pro
strcpy(CPUInfo.strModel, "Intel Pentium Pro (P6)"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium Pro (P6 core)", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 3: // Model = 3: Pentium II (66 MHz FSB, I think) processor model
strcpy(CPUInfo.strModel, "Intel Pentium II Model 3, 0.28 micron"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium II (Model 3 core, 0.28 micron process)", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 5: // Model = 5: Pentium II/Xeon/Celeron (0.25 micron) processor model
strcpy(CPUInfo.strModel, "Intel Pentium II Model 5/Xeon/Celeron, 0.25 micron"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium II/Xeon/Celeron (Model 5 core, 0.25 micron process)", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 6: // Model = 6: Pentium II with internal L2 cache
strcpy(CPUInfo.strModel, "Intel Pentium II - internal L2 cache"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium II with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 7: // Model = 7: Pentium III/Xeon (extern L2 cache) processor model
strcpy(CPUInfo.strModel, "Intel Pentium III/Pentium III Xeon - external L2 cache, 0.25 micron"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium III/Pentium III Xeon (0.25 micron process) with external L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 8: // Model = 8: Pentium III/Xeon/Celeron (256 KB on-die L2 cache) processor model
strcpy(CPUInfo.strModel, "Intel Pentium III/Celeron/Pentium III Xeon - internal L2 cache, 0.18 micron"); /*Flawfinder: ignore*/
// We want to know it exactly:
switch (CPUInfo.uiBrandID)
{
case 1: // Model = 8, Brand id = 1: Celeron (on-die L2 cache) processor model
strncat(strCPUName, "Intel Celeron (0.18 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 2: // Model = 8, Brand id = 2: Pentium III (on-die L2 cache) processor model (my current cpu :-))
strncat(strCPUName, "Intel Pentium III (0.18 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 3: // Model = 8, Brand id = 3: Pentium III Xeon (on-die L2 cache) processor model
strncat(strCPUName, "Intel Pentium III Xeon (0.18 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
default: // ...
strncat(strCPUName, "Intel Pentium III core (unknown model, 0.18 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
}
break;
case 9: // Model = 9: Intel Pentium M processor, Intel Celeron M processor, model 9
strcpy(CPUInfo.strModel, "Intel Pentium M Series Processor"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium M Series Processor", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 0xA: // Model = 0xA: Pentium III/Xeon/Celeron (1 or 2 MB on-die L2 cache) processor model
strcpy(CPUInfo.strModel, "Intel Pentium III/Celeron/Pentium III Xeon - internal L2 cache, 0.18 micron"); /*Flawfinder: ignore*/
// Exact detection:
switch (CPUInfo.uiBrandID)
{
case 1: // Model = 0xA, Brand id = 1: Celeron (1 or 2 MB on-die L2 cache (does it exist??)) processor model
strncat(strCPUName, "Intel Celeron (0.18 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 2: // Model = 0xA, Brand id = 2: Pentium III (1 or 2 MB on-die L2 cache (never seen...)) processor model
strncat(strCPUName, "Intel Pentium III (0.18 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 3: // Model = 0xA, Brand id = 3: Pentium III Xeon (1 or 2 MB on-die L2 cache) processor model
strncat(strCPUName, "Intel Pentium III Xeon (0.18 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
default: // Getting bored of this............
strncat(strCPUName, "Intel Pentium III core (unknown model, 0.18 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
}
break;
case 0xB: // Model = 0xB: Pentium III/Xeon/Celeron (Tualatin core, on-die cache) processor model
strcpy(CPUInfo.strModel, "Intel Pentium III/Celeron/Pentium III Xeon - internal L2 cache, 0.13 micron"); /*Flawfinder: ignore*/
// Omniscient: ;-)
switch (CPUInfo.uiBrandID)
{
case 3: // Model = 0xB, Brand id = 3: Celeron (Tualatin core) processor model
strncat(strCPUName, "Intel Celeron (Tualatin core, 0.13 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 4: // Model = 0xB, Brand id = 4: Pentium III (Tualatin core) processor model
strncat(strCPUName, "Intel Pentium III (Tualatin core, 0.13 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 7: // Model = 0xB, Brand id = 7: Celeron mobile (Tualatin core) processor model
strncat(strCPUName, "Intel Celeron mobile (Tualatin core, 0.13 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
default: // *bored*
strncat(strCPUName, "Intel Pentium III Tualatin core (unknown model, 0.13 micron process) with internal L2 cache", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
}
break;
case 0xD: // Model = 0xD: Intel Pentium M processor, Intel Celeron M processor, model D
strcpy(CPUInfo.strModel, "Intel Pentium M Series Processor"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium M Series Processor", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 0xE: // Model = 0xE: Intel Core Duo processor, Intel Core Solo processor, model E
strcpy(CPUInfo.strModel, "Intel Core Series Processor"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Core Series Processor", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
case 0xF: // Model = 0xF: Intel Core 2 Duo processor, model F
strcpy(CPUInfo.strModel, "Intel Core 2 Series Processor"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Core 2 Series Processor", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
default: // *more bored*
strcpy(CPUInfo.strModel, "Unknown Intel Pentium Pro/2/3, Core"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium Pro/2/3, Core (Unknown model)", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
break;
}
break;
case 15: // Extended processor family
// Masking the extended model
CPUInfo.uiExtendedModel = (eaxreg >> 16) & 0xFF;
switch (CPUInfo.uiModel)
{
case 0: // Model = 0: Pentium 4 Willamette (A-Step) core
if ((CPUInfo.uiBrandID) == 8) // Brand id = 8: P4 Willamette
{
strcpy(CPUInfo.strModel, "Intel Pentium 4 Willamette (A-Step)"); /*Flawfinder: ignore*/
strncat(strCPUName, "Intel Pentium 4 Willamette (A-Step)", sizeof(strCPUName)-(strlen(strCPUName)-1)); /*Flawfinder: ignore*/
}
else // else Xeon
{
strcpy(CPUInfo.strModel, "Intel Pentium 4 Willamette Xeon (A-Step)"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel Pentium 4 Willamette Xeon (A-Step)", sizeof(strCPUName) - strlen(strCPUName) - 1); /* Flawfinder: ignore */
}
break;
case 1: // Model = 1: Pentium 4 Willamette core
if ((CPUInfo.uiBrandID) == 8) // Brand id = 8: P4 Willamette
{
strcpy(CPUInfo.strModel, "Intel Pentium 4 Willamette"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel Pentium 4 Willamette", sizeof(strCPUName) - strlen(strCPUName) - 1); /* Flawfinder: ignore */
}
else // else Xeon
{
strcpy(CPUInfo.strModel, "Intel Pentium 4 Willamette Xeon"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel Pentium 4 Willamette Xeon", sizeof(strCPUName) - strlen(strCPUName) - 1); /* Flawfinder: ignore */
}
break;
case 2: // Model = 2: Pentium 4 Northwood core
if (((CPUInfo.uiBrandID) == 9) || ((CPUInfo.uiBrandID) == 0xA)) // P4 Willamette
{
strcpy(CPUInfo.strModel, "Intel Pentium 4 Northwood"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel Pentium 4 Northwood", sizeof(strCPUName) - strlen(strCPUName) - 1); /* Flawfinder: ignore */
}
else // Xeon
{
strcpy(CPUInfo.strModel, "Intel Pentium 4 Northwood Xeon"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel Pentium 4 Northwood Xeon", sizeof(strCPUName) - strlen(strCPUName) - 1); /* Flawfinder: ignore */
}
break;
default: // Silly stupid never used failsave option
strcpy(CPUInfo.strModel, "Unknown Intel Pentium 4"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel Pentium 4 (Unknown model)", sizeof(strCPUName) - strlen(strCPUName) - 1); /* Flawfinder: ignore */
break;
}
break;
default: // *grmpf*
strcpy(CPUInfo.strModel, "Unknown Intel model"); /* Flawfinder: ignore */
strncat(strCPUName, "Intel (Unknown model)", sizeof(strCPUName) - strlen(strCPUName) - 1); /* Flawfinder: ignore */
break;
}
// After the long processor model block we now come to the processors serial
// number.
// First of all we check if the processor supports the serial number
if (CPUInfo.MaxSupportedLevel >= 3)
{
// If it supports the serial number CPUID level 0x00000003 we read the data
unsigned long sig1, sig2, sig3;
__asm
{
mov eax, 1
cpuid
mov sig1, eax
mov eax, 3
cpuid
mov sig2, ecx
mov sig3, edx
}
// Then we convert the data to a readable string
snprintf( /* Flawfinder: ignore */
CPUInfo.strProcessorSerial,
sizeof(CPUInfo.strProcessorSerial),
"%04lX-%04lX-%04lX-%04lX-%04lX-%04lX",
sig1 >> 16,
sig1 & 0xFFFF,
sig3 >> 16,
sig3 & 0xFFFF,
sig2 >> 16, sig2 & 0xFFFF);
}
else
{
// If there's no serial number support we just put "No serial number"
snprintf( /* Flawfinder: ignore */
CPUInfo.strProcessorSerial,
sizeof(CPUInfo.strProcessorSerial),
"No Processor Serial Number");
}
// Now we get the standard processor extensions
GetStandardProcessorExtensions();
// And finally the processor configuration (caches, TLBs, ...) and translate
// the data to readable strings
GetStandardProcessorConfiguration();
TranslateProcessorConfiguration();
// At last...
return true;
#else
return FALSE;
#endif
}
// bool CProcessor::AnalyzeAMDProcessor()
// ======================================
// Private class function for analyzing an AMD processor
////////////////////////////////////////////////////////
bool CProcessor::AnalyzeAMDProcessor()
{
#if LL_WINDOWS
unsigned long eaxreg, ebxreg, ecxreg, edxreg;
// First of all we check if the CPUID command is available
if (!CheckCPUIDPresence())
return 0;
// Now we get the CPUID standard level 0x00000001
__asm
{
mov eax, 1
cpuid
mov eaxreg, eax
mov ebxreg, ebx
mov edxreg, edx
}
// Then we mask the model, family, stepping and type (AMD does not support brand id)
CPUInfo.uiStepping = eaxreg & 0xF;
CPUInfo.uiModel = (eaxreg >> 4) & 0xF;
CPUInfo.uiFamily = (eaxreg >> 8) & 0xF;
CPUInfo.uiType = (eaxreg >> 12) & 0x3;
// Now we check if the processor supports the brand id string extended CPUID level
if (CPUInfo.MaxSupportedExtendedLevel >= 0x80000004)
{
// If it supports the extended CPUID level 0x80000004 we read the data
char tmp[52]; /* Flawfinder: ignore */
memset(tmp, 0, sizeof(tmp));
__asm
{
mov eax, 0x80000002
cpuid
mov dword ptr [tmp], eax
mov dword ptr [tmp+4], ebx
mov dword ptr [tmp+8], ecx
mov dword ptr [tmp+12], edx
mov eax, 0x80000003
cpuid
mov dword ptr [tmp+16], eax
mov dword ptr [tmp+20], ebx
mov dword ptr [tmp+24], ecx
mov dword ptr [tmp+28], edx
mov eax, 0x80000004
cpuid
mov dword ptr [tmp+32], eax
mov dword ptr [tmp+36], ebx
mov dword ptr [tmp+40], ecx
mov dword ptr [tmp+44], edx
}
// And copy it to the brand id string
strncpy(CPUInfo.strBrandID, tmp,sizeof(CPUInfo.strBrandID)-1);
CPUInfo.strBrandID[sizeof(CPUInfo.strBrandID)-1]='\0';
}
else
{
// Or just tell there is no brand id string support
strcpy(CPUInfo.strBrandID, ""); /* Flawfinder: ignore */
}
// After that we translate the processor family
switch(CPUInfo.uiFamily)
{
case 4: // Family = 4: 486 (80486) or 5x86 (80486) processor family
switch (CPUInfo.uiModel)
{
case 3: // Thanks to AMD for this nice form of family
case 7: // detection.... *grmpf*
case 8:
case 9:
strcpy(CPUInfo.strFamily, "AMD 80486"); /* Flawfinder: ignore */
break;
case 0xE:
case 0xF:
strcpy(CPUInfo.strFamily, "AMD 5x86"); /* Flawfinder: ignore */
break;
default:
strcpy(CPUInfo.strFamily, "Unknown family"); /* Flawfinder: ignore */
break;
}
break;
case 5: // Family = 5: K5 or K6 processor family
switch (CPUInfo.uiModel)
{
case 0:
case 1:
case 2:
case 3:
strcpy(CPUInfo.strFamily, "AMD K5"); /* Flawfinder: ignore */
break;
case 6:
case 7:
case 8:
case 9:
strcpy(CPUInfo.strFamily, "AMD K6"); /* Flawfinder: ignore */
break;
default:
strcpy(CPUInfo.strFamily, "Unknown family"); /* Flawfinder: ignore */
break;
}
break;
case 6: // Family = 6: K7 (Athlon, ...) processor family
strcpy(CPUInfo.strFamily, "AMD K7"); /* Flawfinder: ignore */
break;
default: // For security
strcpy(CPUInfo.strFamily, "Unknown family"); /* Flawfinder: ignore */
break;
}
// After the family detection we come to the specific processor model
// detection
switch (CPUInfo.uiFamily)
{
case 4: // Family = 4: 486 (80486) or 5x85 (80486) processor family
switch (CPUInfo.uiModel)
{
case 3: // Model = 3: 80486 DX2
strcpy(CPUInfo.strModel, "AMD 80486 DX2"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD 80486 DX2", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 7: // Model = 7: 80486 write-back enhanced DX2
strcpy(CPUInfo.strModel, "AMD 80486 write-back enhanced DX2"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD 80486 write-back enhanced DX2", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 8: // Model = 8: 80486 DX4
strcpy(CPUInfo.strModel, "AMD 80486 DX4"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD 80486 DX4", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 9: // Model = 9: 80486 write-back enhanced DX4
strcpy(CPUInfo.strModel, "AMD 80486 write-back enhanced DX4"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD 80486 write-back enhanced DX4", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 0xE: // Model = 0xE: 5x86
strcpy(CPUInfo.strModel, "AMD 5x86"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD 5x86", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 0xF: // Model = 0xF: 5x86 write-back enhanced (oh my god.....)
strcpy(CPUInfo.strModel, "AMD 5x86 write-back enhanced"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD 5x86 write-back enhanced", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
default: // ...
strcpy(CPUInfo.strModel, "Unknown AMD 80486 or 5x86 model"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD 80486 or 5x86 (Unknown model)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
}
break;
case 5: // Family = 5: K5 / K6 processor family
switch (CPUInfo.uiModel)
{
case 0: // Model = 0: K5 SSA 5 (Pentium Rating *ggg* 75, 90 and 100 Mhz)
strcpy(CPUInfo.strModel, "AMD K5 SSA5 (PR75, PR90, PR100)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K5 SSA5 (PR75, PR90, PR100)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 1: // Model = 1: K5 5k86 (PR 120 and 133 MHz)
strcpy(CPUInfo.strModel, "AMD K5 5k86 (PR120, PR133)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K5 5k86 (PR120, PR133)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 2: // Model = 2: K5 5k86 (PR 166 MHz)
strcpy(CPUInfo.strModel, "AMD K5 5k86 (PR166)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K5 5k86 (PR166)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 3: // Model = 3: K5 5k86 (PR 200 MHz)
strcpy(CPUInfo.strModel, "AMD K5 5k86 (PR200)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K5 5k86 (PR200)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 6: // Model = 6: K6
strcpy(CPUInfo.strModel, "AMD K6 (0.30 micron)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K6 (0.30 micron)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 7: // Model = 7: K6 (0.25 micron)
strcpy(CPUInfo.strModel, "AMD K6 (0.25 micron)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K6 (0.25 micron)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 8: // Model = 8: K6-2
strcpy(CPUInfo.strModel, "AMD K6-2"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K6-2", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 9: // Model = 9: K6-III
strcpy(CPUInfo.strModel, "AMD K6-III"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K6-III", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 0xD: // Model = 0xD: K6-2+ / K6-III+
strcpy(CPUInfo.strModel, "AMD K6-2+ or K6-III+ (0.18 micron)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K6-2+ or K6-III+ (0.18 micron)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
default: // ...
strcpy(CPUInfo.strModel, "Unknown AMD K5 or K6 model"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K5 or K6 (Unknown model)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
}
break;
case 6: // Family = 6: K7 processor family (AMDs first good processors)
switch (CPUInfo.uiModel)
{
case 1: // Athlon
strcpy(CPUInfo.strModel, "AMD Athlon (0.25 micron)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD Athlon (0.25 micron)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 2: // Athlon (0.18 micron)
strcpy(CPUInfo.strModel, "AMD Athlon (0.18 micron)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD Athlon (0.18 micron)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 3: // Duron (Spitfire core)
strcpy(CPUInfo.strModel, "AMD Duron (Spitfire)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD Duron (Spitfire core)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 4: // Athlon (Thunderbird core)
strcpy(CPUInfo.strModel, "AMD Athlon (Thunderbird)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD Athlon (Thunderbird core)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 6: // Athlon MP / Mobile Athlon (Palomino core)
strcpy(CPUInfo.strModel, "AMD Athlon MP/Mobile Athlon (Palomino)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD Athlon MP/Mobile Athlon (Palomino core)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
case 7: // Mobile Duron (Morgan core)
strcpy(CPUInfo.strModel, "AMD Mobile Duron (Morgan)"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD Mobile Duron (Morgan core)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
default: // ...
strcpy(CPUInfo.strModel, "Unknown AMD K7 model"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD K7 (Unknown model)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
}
break;
default: // ...
strcpy(CPUInfo.strModel, "Unknown AMD model"); /* Flawfinder: ignore */
strncat(strCPUName, "AMD (Unknown model)", sizeof(strCPUName) - strlen(strCPUName) -1); /* Flawfinder: ignore */
break;
}
// Now we read the standard processor extension that are stored in the same
// way the Intel standard extensions are
GetStandardProcessorExtensions();
// Then we check if theres an extended CPUID level support
if (CPUInfo.MaxSupportedExtendedLevel >= 0x80000001)
{
// If we can access the extended CPUID level 0x80000001 we get the
// edx register
__asm
{
mov eax, 0x80000001
cpuid
mov edxreg, edx
}
// Now we can mask some AMD specific cpu extensions
CPUInfo._Ext.EMMX_MultimediaExtensions = CheckBit(edxreg, 22);
CPUInfo._Ext.AA64_AMD64BitArchitecture = CheckBit(edxreg, 29);
CPUInfo._Ext._E3DNOW_InstructionExtensions = CheckBit(edxreg, 30);
CPUInfo._Ext._3DNOW_InstructionExtensions = CheckBit(edxreg, 31);
}
// After that we check if the processor supports the ext. CPUID level
// 0x80000006
if (CPUInfo.MaxSupportedExtendedLevel >= 0x80000006)
{
// If it's present, we read it out
__asm
{
mov eax, 0x80000005
cpuid
mov eaxreg, eax
mov ebxreg, ebx
mov ecxreg, ecx
mov edxreg, edx
}
// Then we mask the L1 Data TLB information
if ((ebxreg >> 16) && (eaxreg >> 16))
{
CPUInfo._Data.bPresent = true;
strcpy(CPUInfo._Data.strPageSize, "4 KB / 2 MB / 4MB"); /*Flawfinder: ignore*/
CPUInfo._Data.uiAssociativeWays = (eaxreg >> 24) & 0xFF;
CPUInfo._Data.uiEntries = (eaxreg >> 16) & 0xFF;
}
else if (eaxreg >> 16)
{
CPUInfo._Data.bPresent = true;
strcpy(CPUInfo._Data.strPageSize, "2 MB / 4MB"); /*Flawfinder: ignore*/
CPUInfo._Data.uiAssociativeWays = (eaxreg >> 24) & 0xFF;
CPUInfo._Data.uiEntries = (eaxreg >> 16) & 0xFF;
}
else if (ebxreg >> 16)
{
CPUInfo._Data.bPresent = true;
strcpy(CPUInfo._Data.strPageSize, "4 KB"); /*Flawfinder: ignore*/
CPUInfo._Data.uiAssociativeWays = (ebxreg >> 24) & 0xFF;
CPUInfo._Data.uiEntries = (ebxreg >> 16) & 0xFF;
}
if (CPUInfo._Data.uiAssociativeWays == 0xFF)
CPUInfo._Data.uiAssociativeWays = (unsigned int) -1;
// Now the L1 Instruction/Code TLB information
if ((ebxreg & 0xFFFF) && (eaxreg & 0xFFFF))
{
CPUInfo._Instruction.bPresent = true;
strcpy(CPUInfo._Instruction.strPageSize, "4 KB / 2 MB / 4MB"); /*Flawfinder: ignore*/
CPUInfo._Instruction.uiAssociativeWays = (eaxreg >> 8) & 0xFF;
CPUInfo._Instruction.uiEntries = eaxreg & 0xFF;
}
else if (eaxreg & 0xFFFF)
{
CPUInfo._Instruction.bPresent = true;
strcpy(CPUInfo._Instruction.strPageSize, "2 MB / 4MB"); /*Flawfinder: ignore*/
CPUInfo._Instruction.uiAssociativeWays = (eaxreg >> 8) & 0xFF;
CPUInfo._Instruction.uiEntries = eaxreg & 0xFF;
}
else if (ebxreg & 0xFFFF)
{
CPUInfo._Instruction.bPresent = true;
strcpy(CPUInfo._Instruction.strPageSize, "4 KB"); /*Flawfinder: ignore*/
CPUInfo._Instruction.uiAssociativeWays = (ebxreg >> 8) & 0xFF;
CPUInfo._Instruction.uiEntries = ebxreg & 0xFF;
}
if (CPUInfo._Instruction.uiAssociativeWays == 0xFF)
CPUInfo._Instruction.uiAssociativeWays = (unsigned int) -1;
// Then we read the L1 data cache information
if ((ecxreg >> 24) > 0)
{
CPUInfo._L1.Data.bPresent = true;
snprintf(CPUInfo._L1.Data.strSize, sizeof(CPUInfo._L1.Data.strSize), "%d KB", ecxreg >> 24); /* Flawfinder: ignore */
CPUInfo._L1.Data.uiAssociativeWays = (ecxreg >> 15) & 0xFF;
CPUInfo._L1.Data.uiLineSize = ecxreg & 0xFF;
}
// After that we read the L2 instruction/code cache information
if ((edxreg >> 24) > 0)
{
CPUInfo._L1.Instruction.bPresent = true;
snprintf(CPUInfo._L1.Instruction.strSize, sizeof(CPUInfo._L1.Instruction.strSize), "%d KB", edxreg >> 24); /* Flawfinder: ignore */
CPUInfo._L1.Instruction.uiAssociativeWays = (edxreg >> 15) & 0xFF;
CPUInfo._L1.Instruction.uiLineSize = edxreg & 0xFF;
}
// Note: I'm not absolutely sure that the L1 page size code (the
// 'if/else if/else if' structs above) really detects the real page
// size for the TLB. Somebody should check it....
// Now we read the ext. CPUID level 0x80000006
__asm
{
mov eax, 0x80000006
cpuid
mov eaxreg, eax
mov ebxreg, ebx
mov ecxreg, ecx
}
// We only mask the unified L2 cache masks (never heard of an
// L2 cache that is divided in data and code parts)
if (((ecxreg >> 12) & 0xF) > 0)
{
CPUInfo._L2.bPresent = true;
snprintf(CPUInfo._L2.strSize, sizeof(CPUInfo._L2.strSize), "%d KB", ecxreg >> 16); /* Flawfinder: ignore */
switch ((ecxreg >> 12) & 0xF)
{
case 1:
CPUInfo._L2.uiAssociativeWays = 1;
break;
case 2:
CPUInfo._L2.uiAssociativeWays = 2;
break;
case 4:
CPUInfo._L2.uiAssociativeWays = 4;
break;
case 6:
CPUInfo._L2.uiAssociativeWays = 8;
break;
case 8:
CPUInfo._L2.uiAssociativeWays = 16;
break;
case 0xF:
CPUInfo._L2.uiAssociativeWays = (unsigned int) -1;
break;
default:
CPUInfo._L2.uiAssociativeWays = 0;
break;
}
CPUInfo._L2.uiLineSize = ecxreg & 0xFF;
}
}
else
{
// If we could not detect the ext. CPUID level 0x80000006 we
// try to read the standard processor configuration.
GetStandardProcessorConfiguration();
}
// After reading we translate the configuration to strings
TranslateProcessorConfiguration();
// And finally exit
return true;
#else
return FALSE;
#endif
}
// bool CProcessor::AnalyzeUnknownProcessor()
// ==========================================
// Private class function to analyze an unknown (No Intel or AMD) processor
///////////////////////////////////////////////////////////////////////////
bool CProcessor::AnalyzeUnknownProcessor()
{
#if LL_WINDOWS
unsigned long eaxreg, ebxreg;
// We check if the CPUID command is available
if (!CheckCPUIDPresence())
return false;
// First of all we read the standard CPUID level 0x00000001
// This level should be available on every x86-processor clone
__asm
{
mov eax, 1
cpuid
mov eaxreg, eax
mov ebxreg, ebx
}
// Then we mask the processor model, family, type and stepping
CPUInfo.uiStepping = eaxreg & 0xF;
CPUInfo.uiModel = (eaxreg >> 4) & 0xF;
CPUInfo.uiFamily = (eaxreg >> 8) & 0xF;
CPUInfo.uiType = (eaxreg >> 12) & 0x3;
// To have complete information we also mask the brand id
CPUInfo.uiBrandID = ebxreg & 0xF;
// Then we get the standard processor extensions
GetStandardProcessorExtensions();
// Now we mark everything we do not know as unknown
strcpy(strCPUName, "Unknown"); /*Flawfinder: ignore*/
strcpy(CPUInfo._Data.strTLB, "Unknown"); /*Flawfinder: ignore*/
strcpy(CPUInfo._Instruction.strTLB, "Unknown"); /*Flawfinder: ignore*/
strcpy(CPUInfo._Trace.strCache, "Unknown"); /*Flawfinder: ignore*/
strcpy(CPUInfo._L1.Data.strCache, "Unknown"); /*Flawfinder: ignore*/
strcpy(CPUInfo._L1.Instruction.strCache, "Unknown"); /*Flawfinder: ignore*/
strcpy(CPUInfo._L2.strCache, "Unknown"); /*Flawfinder: ignore*/
strcpy(CPUInfo._L3.strCache, "Unknown"); /*Flawfinder: ignore*/
strcpy(CPUInfo.strProcessorSerial, "Unknown / Not supported"); /*Flawfinder: ignore*/
// For the family, model and brand id we can only print the numeric value
snprintf(CPUInfo.strBrandID, sizeof(CPUInfo.strBrandID), "Brand-ID number %d", CPUInfo.uiBrandID); /* Flawfinder: ignore */
snprintf(CPUInfo.strFamily, sizeof(CPUInfo.strFamily), "Family number %d", CPUInfo.uiFamily); /* Flawfinder: ignore */
snprintf(CPUInfo.strModel, sizeof(CPUInfo.strModel), "Model number %d", CPUInfo.uiModel); /* Flawfinder: ignore */
// And thats it
return true;
#else
return FALSE;
#endif
}
// bool CProcessor::CheckCPUIDPresence()
// =====================================
// This function checks if the CPUID command is available on the current
// processor
////////////////////////////////////////////////////////////////////////
bool CProcessor::CheckCPUIDPresence()
{
#if LL_WINDOWS
unsigned long BitChanged;
// We've to check if we can toggle the flag register bit 21
// If we can't the processor does not support the CPUID command
__asm
{
pushfd
pop eax
mov ebx, eax
xor eax, 0x00200000
push eax
popfd
pushfd
pop eax
xor eax,ebx
mov BitChanged, eax
}
return ((BitChanged) ? true : false);
#else
return FALSE;
#endif
}
// void CProcessor::DecodeProcessorConfiguration(unsigned int cfg)
// ===============================================================
// This function (or switch ?!) just translates a one-byte processor configuration
// byte to understandable values
//////////////////////////////////////////////////////////////////////////////////
void CProcessor::DecodeProcessorConfiguration(unsigned int cfg)
{
// First we ensure that there's only one single byte
cfg &= 0xFF;
// Then we do a big switch
switch(cfg)
{
case 0: // cfg = 0: Unused
break;
case 0x1: // cfg = 0x1: code TLB present, 4 KB pages, 4 ways, 32 entries
CPUInfo._Instruction.bPresent = true;
strcpy(CPUInfo._Instruction.strPageSize, "4 KB"); /*Flawfinder: ignore*/
CPUInfo._Instruction.uiAssociativeWays = 4;
CPUInfo._Instruction.uiEntries = 32;
break;
case 0x2: // cfg = 0x2: code TLB present, 4 MB pages, fully associative, 2 entries
CPUInfo._Instruction.bPresent = true;
strcpy(CPUInfo._Instruction.strPageSize, "4 MB"); /*Flawfinder: ignore*/
CPUInfo._Instruction.uiAssociativeWays = 4;
CPUInfo._Instruction.uiEntries = 2;
break;
case 0x3: // cfg = 0x3: data TLB present, 4 KB pages, 4 ways, 64 entries
CPUInfo._Data.bPresent = true;
strcpy(CPUInfo._Data.strPageSize, "4 KB"); /*Flawfinder: ignore*/
CPUInfo._Data.uiAssociativeWays = 4;
CPUInfo._Data.uiEntries = 64;
break;
case 0x4: // cfg = 0x4: data TLB present, 4 MB pages, 4 ways, 8 entries
CPUInfo._Data.bPresent = true;
strcpy(CPUInfo._Data.strPageSize, "4 MB"); /*Flawfinder: ignore*/
CPUInfo._Data.uiAssociativeWays = 4;
CPUInfo._Data.uiEntries = 8;
break;
case 0x6: // cfg = 0x6: code L1 cache present, 8 KB, 4 ways, 32 byte lines
CPUInfo._L1.Instruction.bPresent = true;
strcpy(CPUInfo._L1.Instruction.strSize, "8 KB"); /*Flawfinder: ignore*/
CPUInfo._L1.Instruction.uiAssociativeWays = 4;
CPUInfo._L1.Instruction.uiLineSize = 32;
break;
case 0x8: // cfg = 0x8: code L1 cache present, 16 KB, 4 ways, 32 byte lines
CPUInfo._L1.Instruction.bPresent = true;
strcpy(CPUInfo._L1.Instruction.strSize, "16 KB"); /*Flawfinder: ignore*/
CPUInfo._L1.Instruction.uiAssociativeWays = 4;
CPUInfo._L1.Instruction.uiLineSize = 32;
break;
case 0xA: // cfg = 0xA: data L1 cache present, 8 KB, 2 ways, 32 byte lines
CPUInfo._L1.Data.bPresent = true;
strcpy(CPUInfo._L1.Data.strSize, "8 KB"); /*Flawfinder: ignore*/
CPUInfo._L1.Data.uiAssociativeWays = 2;
CPUInfo._L1.Data.uiLineSize = 32;
break;
case 0xC: // cfg = 0xC: data L1 cache present, 16 KB, 4 ways, 32 byte lines
CPUInfo._L1.Data.bPresent = true;
strcpy(CPUInfo._L1.Data.strSize, "16 KB"); /*Flawfinder: ignore*/
CPUInfo._L1.Data.uiAssociativeWays = 4;
CPUInfo._L1.Data.uiLineSize = 32;
break;
case 0x22: // cfg = 0x22: code and data L3 cache present, 512 KB, 4 ways, 64 byte lines, sectored
CPUInfo._L3.bPresent = true;
strcpy(CPUInfo._L3.strSize, "512 KB"); /*Flawfinder: ignore*/
CPUInfo._L3.uiAssociativeWays = 4;
CPUInfo._L3.uiLineSize = 64;
CPUInfo._L3.bSectored = true;
break;
case 0x23: // cfg = 0x23: code and data L3 cache present, 1024 KB, 8 ways, 64 byte lines, sectored
CPUInfo._L3.bPresent = true;
strcpy(CPUInfo._L3.strSize, "1024 KB"); /*Flawfinder: ignore*/
CPUInfo._L3.uiAssociativeWays = 8;
CPUInfo._L3.uiLineSize = 64;
CPUInfo._L3.bSectored = true;
break;
case 0x25: // cfg = 0x25: code and data L3 cache present, 2048 KB, 8 ways, 64 byte lines, sectored
CPUInfo._L3.bPresent = true;
strcpy(CPUInfo._L3.strSize, "2048 KB"); /*Flawfinder: ignore*/
CPUInfo._L3.uiAssociativeWays = 8;
CPUInfo._L3.uiLineSize = 64;
CPUInfo._L3.bSectored = true;
break;
case 0x29: // cfg = 0x29: code and data L3 cache present, 4096 KB, 8 ways, 64 byte lines, sectored
CPUInfo._L3.bPresent = true;
strcpy(CPUInfo._L3.strSize, "4096 KB"); /*Flawfinder: ignore*/
CPUInfo._L3.uiAssociativeWays = 8;
CPUInfo._L3.uiLineSize = 64;
CPUInfo._L3.bSectored = true;
break;
case 0x40: // cfg = 0x40: no integrated L2 cache (P6 core) or L3 cache (P4 core)
break;
case 0x41: // cfg = 0x41: code and data L2 cache present, 128 KB, 4 ways, 32 byte lines
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "128 KB"); /*Flawfinder: ignore*/
CPUInfo._L2.uiAssociativeWays = 4;
CPUInfo._L2.uiLineSize = 32;
break;
case 0x42: // cfg = 0x42: code and data L2 cache present, 256 KB, 4 ways, 32 byte lines
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "256 KB"); /*Flawfinder: ignore*/
CPUInfo._L2.uiAssociativeWays = 4;
CPUInfo._L2.uiLineSize = 32;
break;
case 0x43: // cfg = 0x43: code and data L2 cache present, 512 KB, 4 ways, 32 byte lines
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "512 KB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 4;
CPUInfo._L2.uiLineSize = 32;
break;
case 0x44: // cfg = 0x44: code and data L2 cache present, 1024 KB, 4 ways, 32 byte lines
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "1 MB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 4;
CPUInfo._L2.uiLineSize = 32;
break;
case 0x45: // cfg = 0x45: code and data L2 cache present, 2048 KB, 4 ways, 32 byte lines
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "2 MB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 4;
CPUInfo._L2.uiLineSize = 32;
break;
case 0x50: // cfg = 0x50: code TLB present, 4 KB / 4 MB / 2 MB pages, fully associative, 64 entries
CPUInfo._Instruction.bPresent = true;
strcpy(CPUInfo._Instruction.strPageSize, "4 KB / 2 MB / 4 MB"); /* Flawfinder: ignore */
CPUInfo._Instruction.uiAssociativeWays = (unsigned int) -1;
CPUInfo._Instruction.uiEntries = 64;
break;
case 0x51: // cfg = 0x51: code TLB present, 4 KB / 4 MB / 2 MB pages, fully associative, 128 entries
CPUInfo._Instruction.bPresent = true;
strcpy(CPUInfo._Instruction.strPageSize, "4 KB / 2 MB / 4 MB"); /* Flawfinder: ignore */
CPUInfo._Instruction.uiAssociativeWays = (unsigned int) -1;
CPUInfo._Instruction.uiEntries = 128;
break;
case 0x52: // cfg = 0x52: code TLB present, 4 KB / 4 MB / 2 MB pages, fully associative, 256 entries
CPUInfo._Instruction.bPresent = true;
strcpy(CPUInfo._Instruction.strPageSize, "4 KB / 2 MB / 4 MB"); /* Flawfinder: ignore */
CPUInfo._Instruction.uiAssociativeWays = (unsigned int) -1;
CPUInfo._Instruction.uiEntries = 256;
break;
case 0x5B: // cfg = 0x5B: data TLB present, 4 KB / 4 MB pages, fully associative, 64 entries
CPUInfo._Data.bPresent = true;
strcpy(CPUInfo._Data.strPageSize, "4 KB / 4 MB"); /* Flawfinder: ignore */
CPUInfo._Data.uiAssociativeWays = (unsigned int) -1;
CPUInfo._Data.uiEntries = 64;
break;
case 0x5C: // cfg = 0x5C: data TLB present, 4 KB / 4 MB pages, fully associative, 128 entries
CPUInfo._Data.bPresent = true;
strcpy(CPUInfo._Data.strPageSize, "4 KB / 4 MB"); /* Flawfinder: ignore */
CPUInfo._Data.uiAssociativeWays = (unsigned int) -1;
CPUInfo._Data.uiEntries = 128;
break;
case 0x5d: // cfg = 0x5D: data TLB present, 4 KB / 4 MB pages, fully associative, 256 entries
CPUInfo._Data.bPresent = true;
strcpy(CPUInfo._Data.strPageSize, "4 KB / 4 MB"); /* Flawfinder: ignore */
CPUInfo._Data.uiAssociativeWays = (unsigned int) -1;
CPUInfo._Data.uiEntries = 256;
break;
case 0x66: // cfg = 0x66: data L1 cache present, 8 KB, 4 ways, 64 byte lines, sectored
CPUInfo._L1.Data.bPresent = true;
strcpy(CPUInfo._L1.Data.strSize, "8 KB"); /* Flawfinder: ignore */
CPUInfo._L1.Data.uiAssociativeWays = 4;
CPUInfo._L1.Data.uiLineSize = 64;
break;
case 0x67: // cfg = 0x67: data L1 cache present, 16 KB, 4 ways, 64 byte lines, sectored
CPUInfo._L1.Data.bPresent = true;
strcpy(CPUInfo._L1.Data.strSize, "16 KB"); /* Flawfinder: ignore */
CPUInfo._L1.Data.uiAssociativeWays = 4;
CPUInfo._L1.Data.uiLineSize = 64;
break;
case 0x68: // cfg = 0x68: data L1 cache present, 32 KB, 4 ways, 64 byte lines, sectored
CPUInfo._L1.Data.bPresent = true;
strcpy(CPUInfo._L1.Data.strSize, "32 KB"); /* Flawfinder: ignore */
CPUInfo._L1.Data.uiAssociativeWays = 4;
CPUInfo._L1.Data.uiLineSize = 64;
break;
case 0x70: // cfg = 0x70: trace L1 cache present, 12 KuOPs, 4 ways
CPUInfo._Trace.bPresent = true;
strcpy(CPUInfo._Trace.strSize, "12 K-micro-ops"); /* Flawfinder: ignore */
CPUInfo._Trace.uiAssociativeWays = 4;
break;
case 0x71: // cfg = 0x71: trace L1 cache present, 16 KuOPs, 4 ways
CPUInfo._Trace.bPresent = true;
strcpy(CPUInfo._Trace.strSize, "16 K-micro-ops"); /* Flawfinder: ignore */
CPUInfo._Trace.uiAssociativeWays = 4;
break;
case 0x72: // cfg = 0x72: trace L1 cache present, 32 KuOPs, 4 ways
CPUInfo._Trace.bPresent = true;
strcpy(CPUInfo._Trace.strSize, "32 K-micro-ops"); /* Flawfinder: ignore */
CPUInfo._Trace.uiAssociativeWays = 4;
break;
case 0x79: // cfg = 0x79: code and data L2 cache present, 128 KB, 8 ways, 64 byte lines, sectored
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "128 KB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 8;
CPUInfo._L2.uiLineSize = 64;
CPUInfo._L2.bSectored = true;
break;
case 0x7A: // cfg = 0x7A: code and data L2 cache present, 256 KB, 8 ways, 64 byte lines, sectored
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "256 KB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 8;
CPUInfo._L2.uiLineSize = 64;
CPUInfo._L2.bSectored = true;
break;
case 0x7B: // cfg = 0x7B: code and data L2 cache present, 512 KB, 8 ways, 64 byte lines, sectored
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "512 KB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 8;
CPUInfo._L2.uiLineSize = 64;
CPUInfo._L2.bSectored = true;
break;
case 0x7C: // cfg = 0x7C: code and data L2 cache present, 1024 KB, 8 ways, 64 byte lines, sectored
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "1 MB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 8;
CPUInfo._L2.uiLineSize = 64;
CPUInfo._L2.bSectored = true;
break;
case 0x81: // cfg = 0x81: code and data L2 cache present, 128 KB, 8 ways, 32 byte lines
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "128 KB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 8;
CPUInfo._L2.uiLineSize = 32;
break;
case 0x82: // cfg = 0x82: code and data L2 cache present, 256 KB, 8 ways, 32 byte lines
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "256 KB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 8;
CPUInfo._L2.uiLineSize = 32;
break;
case 0x83: // cfg = 0x83: code and data L2 cache present, 512 KB, 8 ways, 32 byte lines
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "512 KB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 8;
CPUInfo._L2.uiLineSize = 32;
break;
case 0x84: // cfg = 0x84: code and data L2 cache present, 1024 KB, 8 ways, 32 byte lines
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "1 MB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 8;
CPUInfo._L2.uiLineSize = 32;
break;
case 0x85: // cfg = 0x85: code and data L2 cache present, 2048 KB, 8 ways, 32 byte lines
CPUInfo._L2.bPresent = true;
strcpy(CPUInfo._L2.strSize, "2 MB"); /* Flawfinder: ignore */
CPUInfo._L2.uiAssociativeWays = 8;
CPUInfo._L2.uiLineSize = 32;
break;
}
}
FORCEINLINE static char *TranslateAssociativeWays(unsigned int uiWays, char *buf)
{
// We define 0xFFFFFFFF (= -1) as fully associative
if (uiWays == ((unsigned int) -1))
strcpy(buf, "fully associative"); /* Flawfinder: ignore */
else
{
if (uiWays == 1) // A one way associative cache is just direct mapped
strcpy(buf, "direct mapped"); /* Flawfinder: ignore */
else if (uiWays == 0) // This should not happen...
strcpy(buf, "unknown associative ways"); /* Flawfinder: ignore */
else // The x-way associative cache
sprintf(buf, "%d ways associative", uiWays); /* Flawfinder: ignore */
}
// To ease the function use we return the buffer
return buf;
}
FORCEINLINE static void TranslateTLB(ProcessorTLB *tlb)
{
char buf[64]; /* Flawfinder: ignore */
// We just check if the TLB is present
if (tlb->bPresent)
snprintf(tlb->strTLB,sizeof(tlb->strTLB), "%s page size, %s, %d entries", tlb->strPageSize, TranslateAssociativeWays(tlb->uiAssociativeWays, buf), tlb->uiEntries); /* Flawfinder: ignore */
else
strcpy(tlb->strTLB, "Not present"); /* Flawfinder: ignore */
}
FORCEINLINE static void TranslateCache(ProcessorCache *cache)
{
char buf[64]; /* Flawfinder: ignore */
// We just check if the cache is present
if (cache->bPresent)
{
// If present we construct the string
snprintf(cache->strCache, sizeof(cache->strCache), "%s cache size, %s, %d bytes line size", cache->strSize, TranslateAssociativeWays(cache->uiAssociativeWays, buf), cache->uiLineSize); /* Flawfinder: ignore */
if (cache->bSectored)
strncat(cache->strCache, ", sectored", sizeof(cache->strCache)-strlen(cache->strCache)-1); /* Flawfinder: ignore */
}
else
{
// Else we just say "Not present"
strcpy(cache->strCache, "Not present"); /* Flawfinder: ignore */
}
}
// void CProcessor::TranslateProcessorConfiguration()
// ==================================================
// Private class function to translate the processor configuration values
// to strings
/////////////////////////////////////////////////////////////////////////
void CProcessor::TranslateProcessorConfiguration()
{
// We just call the small functions defined above
TranslateTLB(&CPUInfo._Data);
TranslateTLB(&CPUInfo._Instruction);
TranslateCache(&CPUInfo._Trace);
TranslateCache(&CPUInfo._L1.Instruction);
TranslateCache(&CPUInfo._L1.Data);
TranslateCache(&CPUInfo._L2);
TranslateCache(&CPUInfo._L3);
}
// void CProcessor::GetStandardProcessorConfiguration()
// ====================================================
// Private class function to read the standard processor configuration
//////////////////////////////////////////////////////////////////////
void CProcessor::GetStandardProcessorConfiguration()
{
#if LL_WINDOWS
unsigned long eaxreg, ebxreg, ecxreg, edxreg;
// We check if the CPUID function is available
if (!CheckCPUIDPresence())
return;
// First we check if the processor supports the standard
// CPUID level 0x00000002
if (CPUInfo.MaxSupportedLevel >= 2)
{
// Now we go read the std. CPUID level 0x00000002 the first time
unsigned long count, num = 255;
for (count = 0; count < num; count++)
{
__asm
{
mov eax, 2
cpuid
mov eaxreg, eax
mov ebxreg, ebx
mov ecxreg, ecx
mov edxreg, edx
}
// We have to repeat this reading for 'num' times
num = eaxreg & 0xFF;
// Then we call the big decode switch function
DecodeProcessorConfiguration(eaxreg >> 8);
DecodeProcessorConfiguration(eaxreg >> 16);
DecodeProcessorConfiguration(eaxreg >> 24);
// If ebx contains additional data we also decode it
if ((ebxreg & 0x80000000) == 0)
{
DecodeProcessorConfiguration(ebxreg);
DecodeProcessorConfiguration(ebxreg >> 8);
DecodeProcessorConfiguration(ebxreg >> 16);
DecodeProcessorConfiguration(ebxreg >> 24);
}
// And also the ecx register
if ((ecxreg & 0x80000000) == 0)
{
DecodeProcessorConfiguration(ecxreg);
DecodeProcessorConfiguration(ecxreg >> 8);
DecodeProcessorConfiguration(ecxreg >> 16);
DecodeProcessorConfiguration(ecxreg >> 24);
}
// At last the edx processor register
if ((edxreg & 0x80000000) == 0)
{
DecodeProcessorConfiguration(edxreg);
DecodeProcessorConfiguration(edxreg >> 8);
DecodeProcessorConfiguration(edxreg >> 16);
DecodeProcessorConfiguration(edxreg >> 24);
}
}
}
#endif
}
// void CProcessor::GetStandardProcessorExtensions()
// =================================================
// Private class function to read the standard processor extensions
///////////////////////////////////////////////////////////////////
void CProcessor::GetStandardProcessorExtensions()
{
#if LL_WINDOWS
unsigned long ebxreg, edxreg;
// We check if the CPUID command is available
if (!CheckCPUIDPresence())
return;
// We just get the standard CPUID level 0x00000001 which should be
// available on every x86 processor
__asm
{
mov eax, 1
cpuid
mov ebxreg, ebx
mov edxreg, edx
}
// Then we mask some bits
CPUInfo._Ext.FPU_FloatingPointUnit = CheckBit(edxreg, 0);
CPUInfo._Ext.VME_Virtual8086ModeEnhancements = CheckBit(edxreg, 1);
CPUInfo._Ext.DE_DebuggingExtensions = CheckBit(edxreg, 2);
CPUInfo._Ext.PSE_PageSizeExtensions = CheckBit(edxreg, 3);
CPUInfo._Ext.TSC_TimeStampCounter = CheckBit(edxreg, 4);
CPUInfo._Ext.MSR_ModelSpecificRegisters = CheckBit(edxreg, 5);
CPUInfo._Ext.PAE_PhysicalAddressExtension = CheckBit(edxreg, 6);
CPUInfo._Ext.MCE_MachineCheckException = CheckBit(edxreg, 7);
CPUInfo._Ext.CX8_COMPXCHG8B_Instruction = CheckBit(edxreg, 8);
CPUInfo._Ext.APIC_AdvancedProgrammableInterruptController = CheckBit(edxreg, 9);
CPUInfo._Ext.APIC_ID = (ebxreg >> 24) & 0xFF;
CPUInfo._Ext.SEP_FastSystemCall = CheckBit(edxreg, 11);
CPUInfo._Ext.MTRR_MemoryTypeRangeRegisters = CheckBit(edxreg, 12);
CPUInfo._Ext.PGE_PTE_GlobalFlag = CheckBit(edxreg, 13);
CPUInfo._Ext.MCA_MachineCheckArchitecture = CheckBit(edxreg, 14);
CPUInfo._Ext.CMOV_ConditionalMoveAndCompareInstructions = CheckBit(edxreg, 15);
CPUInfo._Ext.FGPAT_PageAttributeTable = CheckBit(edxreg, 16);
CPUInfo._Ext.PSE36_36bitPageSizeExtension = CheckBit(edxreg, 17);
CPUInfo._Ext.PN_ProcessorSerialNumber = CheckBit(edxreg, 18);
CPUInfo._Ext.CLFSH_CFLUSH_Instruction = CheckBit(edxreg, 19);
CPUInfo._Ext.CLFLUSH_InstructionCacheLineSize = (ebxreg >> 8) & 0xFF;
CPUInfo._Ext.DS_DebugStore = CheckBit(edxreg, 21);
CPUInfo._Ext.ACPI_ThermalMonitorAndClockControl = CheckBit(edxreg, 22);
CPUInfo._Ext.MMX_MultimediaExtensions = CheckBit(edxreg, 23);
CPUInfo._Ext.FXSR_FastStreamingSIMD_ExtensionsSaveRestore = CheckBit(edxreg, 24);
CPUInfo._Ext.SSE_StreamingSIMD_Extensions = CheckBit(edxreg, 25);
CPUInfo._Ext.SSE2_StreamingSIMD2_Extensions = CheckBit(edxreg, 26);
CPUInfo._Ext.Altivec_Extensions = false;
CPUInfo._Ext.SS_SelfSnoop = CheckBit(edxreg, 27);
CPUInfo._Ext.HT_HyperThreading = CheckBit(edxreg, 28);
CPUInfo._Ext.HT_HyterThreadingSiblings = (ebxreg >> 16) & 0xFF;
CPUInfo._Ext.TM_ThermalMonitor = CheckBit(edxreg, 29);
CPUInfo._Ext.IA64_Intel64BitArchitecture = CheckBit(edxreg, 30);
#endif
}
// const ProcessorInfo *CProcessor::GetCPUInfo()
// =============================================
// Calls all the other detection function to create an detailed
// processor information
///////////////////////////////////////////////////////////////
const ProcessorInfo *CProcessor::GetCPUInfo()
{
#if LL_WINDOWS
unsigned long eaxreg, ebxreg, ecxreg, edxreg;
// First of all we check if the CPUID command is available
if (!CheckCPUIDPresence())
return NULL;
// We read the standard CPUID level 0x00000000 which should
// be available on every x86 processor
__asm
{
mov eax, 0
cpuid
mov eaxreg, eax
mov ebxreg, ebx
mov edxreg, edx
mov ecxreg, ecx
}
// Then we connect the single register values to the vendor string
*((unsigned long *) CPUInfo.strVendor) = ebxreg;
*((unsigned long *) (CPUInfo.strVendor+4)) = edxreg;
*((unsigned long *) (CPUInfo.strVendor+8)) = ecxreg;
// Null terminate for string comparisons below.
CPUInfo.strVendor[12] = 0;
// We can also read the max. supported standard CPUID level
CPUInfo.MaxSupportedLevel = eaxreg & 0xFFFF;
// Then we read the ext. CPUID level 0x80000000
__asm
{
mov eax, 0x80000000
cpuid
mov eaxreg, eax
}
// ...to check the max. supportted extended CPUID level
CPUInfo.MaxSupportedExtendedLevel = eaxreg;
// Then we switch to the specific processor vendors
// See http://www.sandpile.org/ia32/cpuid.htm
if (!strcmp(CPUInfo.strVendor, "GenuineIntel"))
{
AnalyzeIntelProcessor();
}
else if (!strcmp(CPUInfo.strVendor, "AuthenticAMD"))
{
AnalyzeAMDProcessor();
}
else if (!strcmp(CPUInfo.strVendor, "UMC UMC UMC"))
{
AnalyzeUnknownProcessor();
}
else if (!strcmp(CPUInfo.strVendor, "CyrixInstead"))
{
AnalyzeUnknownProcessor();
}
else if (!strcmp(CPUInfo.strVendor, "NexGenDriven"))
{
AnalyzeUnknownProcessor();
}
else if (!strcmp(CPUInfo.strVendor, "CentaurHauls"))
{
AnalyzeUnknownProcessor();
}
else if (!strcmp(CPUInfo.strVendor, "RiseRiseRise"))
{
AnalyzeUnknownProcessor();
}
else if (!strcmp(CPUInfo.strVendor, "SiS SiS SiS"))
{
AnalyzeUnknownProcessor();
}
else if (!strcmp(CPUInfo.strVendor, "GenuineTMx86"))
{
// Transmeta
AnalyzeUnknownProcessor();
}
else if (!strcmp(CPUInfo.strVendor, "Geode by NSC"))
{
AnalyzeUnknownProcessor();
}
else
{
AnalyzeUnknownProcessor();
}
#endif
// After all we return the class CPUInfo member var
return (&CPUInfo);
}
#elif LL_SOLARIS
#include <kstat.h>
// ======================
// Class constructor:
/////////////////////////
CProcessor::CProcessor()
{
uqwFrequency = 0;
strCPUName[0] = 0;
memset(&CPUInfo, 0, sizeof(CPUInfo));
}
// unsigned __int64 CProcessor::GetCPUFrequency(unsigned int uiMeasureMSecs)
// =========================================================================
// Function to query the current CPU frequency
////////////////////////////////////////////////////////////////////////////
F64 CProcessor::GetCPUFrequency(unsigned int /*uiMeasureMSecs*/)
{
if(uqwFrequency == 0){
GetCPUInfo();
}
return uqwFrequency;
}
// const ProcessorInfo *CProcessor::GetCPUInfo()
// =============================================
// Calls all the other detection function to create an detailed
// processor information
///////////////////////////////////////////////////////////////
const ProcessorInfo *CProcessor::GetCPUInfo()
{
// In Solaris the CPU info is in the kstats
// try "psrinfo" or "kstat cpu_info" to see all
// that's available
int ncpus=0, i;
kstat_ctl_t *kc;
kstat_t *ks;
kstat_named_t *ksinfo, *ksi;
kstat_t *CPU_stats_list;
kc = kstat_open();
if((int)kc == -1){
llwarns << "kstat_open(0 failed!" << llendl;
return (&CPUInfo);
}
for (ks = kc->kc_chain; ks != NULL; ks = ks->ks_next) {
if (strncmp(ks->ks_module, "cpu_info", 8) == 0 &&
strncmp(ks->ks_name, "cpu_info", 8) == 0)
ncpus++;
}
if(ncpus < 1){
llwarns << "No cpus found in kstats!" << llendl;
return (&CPUInfo);
}
for (ks = kc->kc_chain; ks; ks = ks->ks_next) {
if (strncmp(ks->ks_module, "cpu_info", 8) == 0
&& strncmp(ks->ks_name, "cpu_info", 8) == 0
&& kstat_read(kc, ks, NULL) != -1){
CPU_stats_list = ks; // only looking at the first CPU
break;
}
}
if(ncpus > 1)
snprintf(strCPUName, sizeof(strCPUName), "%d x ", ncpus);
kstat_read(kc, CPU_stats_list, NULL);
ksinfo = (kstat_named_t *)CPU_stats_list->ks_data;
for(i=0; i < (int)(CPU_stats_list->ks_ndata); ++i){ // Walk the kstats for this cpu gathering what we need
ksi = ksinfo++;
if(!strcmp(ksi->name, "brand")){
strncat(strCPUName, (char *)KSTAT_NAMED_STR_PTR(ksi),
sizeof(strCPUName)-strlen(strCPUName)-1);
strncat(CPUInfo.strFamily, (char *)KSTAT_NAMED_STR_PTR(ksi),
sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1);
strncpy(CPUInfo.strBrandID, strCPUName,sizeof(CPUInfo.strBrandID)-1);
CPUInfo.strBrandID[sizeof(CPUInfo.strBrandID)-1]='\0';
// DEBUG llinfos << "CPU brand: " << strCPUName << llendl;
continue;
}
if(!strcmp(ksi->name, "clock_MHz")){
#if defined(__sparc)
llinfos << "Raw kstat clock rate is: " << ksi->value.l << llendl;
uqwFrequency = (F64)(ksi->value.l * 1000000);
#else
uqwFrequency = (F64)(ksi->value.i64 * 1000000);
#endif
//DEBUG llinfos << "CPU frequency: " << uqwFrequency << llendl;
continue;
}
#if defined(__i386)
if(!strcmp(ksi->name, "vendor_id")){
strncpy(CPUInfo.strVendor, (char *)KSTAT_NAMED_STR_PTR(ksi), sizeof(CPUInfo.strVendor)-1);
// DEBUG llinfos << "CPU vendor: " << CPUInfo.strVendor << llendl;
continue;
}
#endif
}
kstat_close(kc);
#if defined(__sparc) // SPARC does not define a vendor string in kstat
strncpy(CPUInfo.strVendor, "Sun Microsystems, Inc.", sizeof(CPUInfo.strVendor)-1);
#endif
// DEBUG llinfo << "The system has " << ncpus << " CPUs with a clock rate of " << uqwFrequency << "MHz." << llendl;
return (&CPUInfo);
}
#else
// LL_DARWIN
#include <mach/machine.h>
#include <sys/sysctl.h>
static char *TranslateAssociativeWays(unsigned int uiWays, char *buf)
{
// We define 0xFFFFFFFF (= -1) as fully associative
if (uiWays == ((unsigned int) -1))
strcpy(buf, "fully associative"); /* Flawfinder: ignore */
else
{
if (uiWays == 1) // A one way associative cache is just direct mapped
strcpy(buf, "direct mapped"); /* Flawfinder: ignore */
else if (uiWays == 0) // This should not happen...
strcpy(buf, "unknown associative ways"); /* Flawfinder: ignore */
else // The x-way associative cache
sprintf(buf, "%d ways associative", uiWays); /* Flawfinder: ignore */
}
// To ease the function use we return the buffer
return buf;
}
static void TranslateTLB(ProcessorTLB *tlb)
{
char buf[64]; /* Flawfinder: ignore */
// We just check if the TLB is present
if (tlb->bPresent)
snprintf(tlb->strTLB, sizeof(tlb->strTLB), "%s page size, %s, %d entries", tlb->strPageSize, TranslateAssociativeWays(tlb->uiAssociativeWays, buf), tlb->uiEntries); /* Flawfinder: ignore */
else
strcpy(tlb->strTLB, "Not present"); /* Flawfinder: ignore */
}
static void TranslateCache(ProcessorCache *cache)
{
char buf[64]; /* Flawfinder: ignore */
// We just check if the cache is present
if (cache->bPresent)
{
// If present we construct the string
snprintf(cache->strCache,sizeof(cache->strCache), "%s cache size, %s, %d bytes line size", cache->strSize, TranslateAssociativeWays(cache->uiAssociativeWays, buf), cache->uiLineSize); /* Flawfinder: ignore */
if (cache->bSectored)
strncat(cache->strCache, ", sectored", sizeof(cache->strCache)-strlen(cache->strCache)-1); /* Flawfinder: ignore */
}
else
{
// Else we just say "Not present"
strcpy(cache->strCache, "Not present"); /* Flawfinder: ignore */
}
}
// void CProcessor::TranslateProcessorConfiguration()
// ==================================================
// Private class function to translate the processor configuration values
// to strings
/////////////////////////////////////////////////////////////////////////
void CProcessor::TranslateProcessorConfiguration()
{
// We just call the small functions defined above
TranslateTLB(&CPUInfo._Data);
TranslateTLB(&CPUInfo._Instruction);
TranslateCache(&CPUInfo._Trace);
TranslateCache(&CPUInfo._L1.Instruction);
TranslateCache(&CPUInfo._L1.Data);
TranslateCache(&CPUInfo._L2);
TranslateCache(&CPUInfo._L3);
}
// CProcessor::CProcessor
// ======================
// Class constructor:
/////////////////////////
CProcessor::CProcessor()
{
uqwFrequency = 0;
strCPUName[0] = 0;
memset(&CPUInfo, 0, sizeof(CPUInfo));
}
// unsigned __int64 CProcessor::GetCPUFrequency(unsigned int uiMeasureMSecs)
// =========================================================================
// Function to query the current CPU frequency
////////////////////////////////////////////////////////////////////////////
F64 CProcessor::GetCPUFrequency(unsigned int /*uiMeasureMSecs*/)
{
U64 frequency = 0;
size_t len = sizeof(frequency);
if(sysctlbyname("hw.cpufrequency", &frequency, &len, NULL, 0) == 0)
{
uqwFrequency = (F64)frequency;
}
return uqwFrequency;
}
static bool hasFeature(const char *name)
{
bool result = false;
int val = 0;
size_t len = sizeof(val);
if(sysctlbyname(name, &val, &len, NULL, 0) == 0)
{
if(val != 0)
result = true;
}
return result;
}
// const ProcessorInfo *CProcessor::GetCPUInfo()
// =============================================
// Calls all the other detection function to create an detailed
// processor information
///////////////////////////////////////////////////////////////
const ProcessorInfo *CProcessor::GetCPUInfo()
{
int pagesize = 0;
int cachelinesize = 0;
int l1icachesize = 0;
int l1dcachesize = 0;
int l2settings = 0;
int l2cachesize = 0;
int l3settings = 0;
int l3cachesize = 0;
int ncpu = 0;
int cpusubtype = 0;
// sysctl knows all.
int mib[2];
size_t len;
mib[0] = CTL_HW;
mib[1] = HW_PAGESIZE;
len = sizeof(pagesize);
sysctl(mib, 2, &pagesize, &len, NULL, 0);
mib[1] = HW_CACHELINE;
len = sizeof(cachelinesize);
sysctl(mib, 2, &cachelinesize, &len, NULL, 0);
mib[1] = HW_L1ICACHESIZE;
len = sizeof(l1icachesize);
sysctl(mib, 2, &l1icachesize, &len, NULL, 0);
mib[1] = HW_L1DCACHESIZE;
len = sizeof(l1dcachesize);
sysctl(mib, 2, &l1dcachesize, &len, NULL, 0);
mib[1] = HW_L2SETTINGS;
len = sizeof(l2settings);
sysctl(mib, 2, &l2settings, &len, NULL, 0);
mib[1] = HW_L2CACHESIZE;
len = sizeof(l2cachesize);
sysctl(mib, 2, &l2cachesize, &len, NULL, 0);
mib[1] = HW_L3SETTINGS;
len = sizeof(l3settings);
sysctl(mib, 2, &l3settings, &len, NULL, 0);
mib[1] = HW_L3CACHESIZE;
len = sizeof(l3cachesize);
sysctl(mib, 2, &l3cachesize, &len, NULL, 0);
mib[1] = HW_NCPU;
len = sizeof(ncpu);
sysctl(mib, 2, &ncpu, &len, NULL, 0);
sysctlbyname("hw.cpusubtype", &cpusubtype, &len, NULL, 0);
strCPUName[0] = 0;
if((ncpu == 0) || (ncpu == 1))
{
// Uhhh...
}
else if(ncpu == 2)
{
strncat(strCPUName, "Dual ", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
}
else
{
snprintf(strCPUName, sizeof(strCPUName), "%d x ", ncpu); /* Flawfinder: ignore */
}
#if __ppc__
switch(cpusubtype)
{
case CPU_SUBTYPE_POWERPC_601:// ((cpu_subtype_t) 1)
strncat(strCPUName, "PowerPC 601", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_602:// ((cpu_subtype_t) 2)
strncat(strCPUName, "PowerPC 602", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_603:// ((cpu_subtype_t) 3)
strncat(strCPUName, "PowerPC 603", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_603e:// ((cpu_subtype_t) 4)
strncat(strCPUName, "PowerPC 603e", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_603ev:// ((cpu_subtype_t) 5)
strncat(strCPUName, "PowerPC 603ev", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_604:// ((cpu_subtype_t) 6)
strncat(strCPUName, "PowerPC 604", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_604e:// ((cpu_subtype_t) 7)
strncat(strCPUName, "PowerPC 604e", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_620:// ((cpu_subtype_t) 8)
strncat(strCPUName, "PowerPC 620", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_750:// ((cpu_subtype_t) 9)
strncat(strCPUName, "PowerPC 750", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC G3", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_7400:// ((cpu_subtype_t) 10)
strncat(strCPUName, "PowerPC 7400", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC G4", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_7450:// ((cpu_subtype_t) 11)
strncat(strCPUName, "PowerPC 7450", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC G4", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
case CPU_SUBTYPE_POWERPC_970:// ((cpu_subtype_t) 100)
strncat(strCPUName, "PowerPC 970", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
strncat(CPUInfo.strFamily, "PowerPC G5", sizeof(CPUInfo.strFamily)-strlen(CPUInfo.strFamily)-1); /* Flawfinder: ignore */
break;
default:
strncat(strCPUName, "PowerPC (Unknown)", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
}
CPUInfo._Ext.EMMX_MultimediaExtensions =
CPUInfo._Ext.MMX_MultimediaExtensions =
CPUInfo._Ext.SSE_StreamingSIMD_Extensions =
CPUInfo._Ext.SSE2_StreamingSIMD2_Extensions = false;
CPUInfo._Ext.Altivec_Extensions = hasFeature("hw.optional.altivec");
#endif
#if __i386__
// MBW -- XXX -- TODO -- make this call AnalyzeIntelProcessor()?
switch(cpusubtype)
{
default:
strncat(strCPUName, "i386 (Unknown)", sizeof(strCPUName)-strlen(strCPUName)-1); /* Flawfinder: ignore */
break;
}
CPUInfo._Ext.EMMX_MultimediaExtensions = hasFeature("hw.optional.mmx"); // MBW -- XXX -- this may be wrong...
CPUInfo._Ext.MMX_MultimediaExtensions = hasFeature("hw.optional.mmx");
CPUInfo._Ext.SSE_StreamingSIMD_Extensions = hasFeature("hw.optional.sse");
CPUInfo._Ext.SSE2_StreamingSIMD2_Extensions = hasFeature("hw.optional.sse2");
CPUInfo._Ext.Altivec_Extensions = false;
CPUInfo._Ext.AA64_AMD64BitArchitecture = hasFeature("hw.optional.x86_64");
#endif
// Terse CPU info uses this string...
strncpy(CPUInfo.strBrandID, strCPUName,sizeof(CPUInfo.strBrandID)-1); /* Flawfinder: ignore */
CPUInfo.strBrandID[sizeof(CPUInfo.strBrandID)-1]='\0';
// Fun cache config stuff...
if(l1dcachesize != 0)
{
CPUInfo._L1.Data.bPresent = true;
snprintf(CPUInfo._L1.Data.strSize, sizeof(CPUInfo._L1.Data.strSize), "%d KB", l1dcachesize / 1024); /* Flawfinder: ignore */
// CPUInfo._L1.Data.uiAssociativeWays = ???;
CPUInfo._L1.Data.uiLineSize = cachelinesize;
}
if(l1icachesize != 0)
{
CPUInfo._L1.Instruction.bPresent = true;
snprintf(CPUInfo._L1.Instruction.strSize, sizeof(CPUInfo._L1.Instruction.strSize), "%d KB", l1icachesize / 1024); /* Flawfinder: ignore */
// CPUInfo._L1.Instruction.uiAssociativeWays = ???;
CPUInfo._L1.Instruction.uiLineSize = cachelinesize;
}
if(l2cachesize != 0)
{
CPUInfo._L2.bPresent = true;
snprintf(CPUInfo._L2.strSize, sizeof(CPUInfo._L2.strSize), "%d KB", l2cachesize / 1024); /* Flawfinder: ignore */
// CPUInfo._L2.uiAssociativeWays = ???;
CPUInfo._L2.uiLineSize = cachelinesize;
}
if(l3cachesize != 0)
{
CPUInfo._L2.bPresent = true;
snprintf(CPUInfo._L2.strSize, sizeof(CPUInfo._L2.strSize), "%d KB", l3cachesize / 1024); /* Flawfinder: ignore */
// CPUInfo._L2.uiAssociativeWays = ???;
CPUInfo._L2.uiLineSize = cachelinesize;
}
CPUInfo._Ext.FPU_FloatingPointUnit = hasFeature("hw.optional.floatingpoint");
// printf("pagesize = 0x%x\n", pagesize);
// printf("cachelinesize = 0x%x\n", cachelinesize);
// printf("l1icachesize = 0x%x\n", l1icachesize);
// printf("l1dcachesize = 0x%x\n", l1dcachesize);
// printf("l2settings = 0x%x\n", l2settings);
// printf("l2cachesize = 0x%x\n", l2cachesize);
// printf("l3settings = 0x%x\n", l3settings);
// printf("l3cachesize = 0x%x\n", l3cachesize);
// After reading we translate the configuration to strings
TranslateProcessorConfiguration();
// After all we return the class CPUInfo member var
return (&CPUInfo);
}
#endif // LL_DARWIN
// bool CProcessor::CPUInfoToText(char *strBuffer, unsigned int uiMaxLen)
// ======================================================================
// Gets the frequency and processor information and writes it to a string
/////////////////////////////////////////////////////////////////////////
bool CProcessor::CPUInfoToText(char *strBuffer, unsigned int uiMaxLen)
{
#define LENCHECK len = (unsigned int) strlen(buf); if (len >= uiMaxLen) return false; strcpy(strBuffer, buf); strBuffer += len; /*Flawfinder: ignore*/
#define COPYADD(str) strcpy(buf, str); LENCHECK; /* Flawfinder: ignore */
#define FORMATADD(format, var) sprintf(buf, format, var); LENCHECK; /* Flawfinder: ignore */
#define BOOLADD(str, boolvar) COPYADD(str); if (boolvar) { COPYADD(" Yes\n"); } else { COPYADD(" No\n"); }
char buf[1024]; /* Flawfinder: ignore */
unsigned int len;
// First we have to get the frequency
GetCPUFrequency(50);
// Then we get the processor information
GetCPUInfo();
// Now we construct the string (see the macros at function beginning)
strBuffer[0] = 0;
COPYADD("// CPU General Information\n//////////////////////////\n");
FORMATADD("Processor name: %s\n", strCPUName);
FORMATADD("Frequency: %.2f MHz\n\n", (float) uqwFrequency / 1000000.0f);
FORMATADD("Vendor: %s\n", CPUInfo.strVendor);
FORMATADD("Family: %s\n", CPUInfo.strFamily);
FORMATADD("Extended family: %d\n", CPUInfo.uiExtendedFamily);
FORMATADD("Model: %s\n", CPUInfo.strModel);
FORMATADD("Extended model: %d\n", CPUInfo.uiExtendedModel);
FORMATADD("Type: %s\n", CPUInfo.strType);
FORMATADD("Brand ID: %s\n", CPUInfo.strBrandID);
if (CPUInfo._Ext.PN_ProcessorSerialNumber)
{
FORMATADD("Processor Serial: %s\n", CPUInfo.strProcessorSerial);
}
else
{
COPYADD("Processor Serial: Disabled\n");
}
#if !LL_SOLARIS // NOTE: Why bother printing all this when it's irrelavent
COPYADD("\n\n// CPU Configuration\n////////////////////\n");
FORMATADD("L1 instruction cache: %s\n", CPUInfo._L1.Instruction.strCache);
FORMATADD("L1 data cache: %s\n", CPUInfo._L1.Data.strCache);
FORMATADD("L2 cache: %s\n", CPUInfo._L2.strCache);
FORMATADD("L3 cache: %s\n", CPUInfo._L3.strCache);
FORMATADD("Trace cache: %s\n", CPUInfo._Trace.strCache);
FORMATADD("Instruction TLB: %s\n", CPUInfo._Instruction.strTLB);
FORMATADD("Data TLB: %s\n", CPUInfo._Data.strTLB);
FORMATADD("Max Supported CPUID-Level: 0x%08lX\n", CPUInfo.MaxSupportedLevel);
FORMATADD("Max Supported Ext. CPUID-Level: 0x%08lX\n", CPUInfo.MaxSupportedExtendedLevel);
COPYADD("\n\n// CPU Extensions\n/////////////////\n");
BOOLADD("AA64 AMD 64-bit Architecture: ", CPUInfo._Ext.AA64_AMD64BitArchitecture);
BOOLADD("ACPI Thermal Monitor And Clock Control: ", CPUInfo._Ext.ACPI_ThermalMonitorAndClockControl);
BOOLADD("APIC Advanced Programmable Interrupt Controller: ", CPUInfo._Ext.APIC_AdvancedProgrammableInterruptController);
FORMATADD(" APIC-ID: %d\n", CPUInfo._Ext.APIC_ID);
BOOLADD("CLFSH CLFLUSH Instruction Presence: ", CPUInfo._Ext.CLFSH_CFLUSH_Instruction);
FORMATADD(" CLFLUSH Instruction Cache Line Size: %d\n", CPUInfo._Ext.CLFLUSH_InstructionCacheLineSize);
BOOLADD("CMOV Conditional Move And Compare Instructions: ", CPUInfo._Ext.CMOV_ConditionalMoveAndCompareInstructions);
BOOLADD("CX8 COMPXCHG8B Instruction: ", CPUInfo._Ext.CX8_COMPXCHG8B_Instruction);
BOOLADD("DE Debugging Extensions: ", CPUInfo._Ext.DE_DebuggingExtensions);
BOOLADD("DS Debug Store: ", CPUInfo._Ext.DS_DebugStore);
BOOLADD("FGPAT Page Attribute Table: ", CPUInfo._Ext.FGPAT_PageAttributeTable);
BOOLADD("FPU Floating Point Unit: ", CPUInfo._Ext.FPU_FloatingPointUnit);
BOOLADD("FXSR Fast Streaming SIMD Extensions Save/Restore:", CPUInfo._Ext.FXSR_FastStreamingSIMD_ExtensionsSaveRestore);
BOOLADD("HT Hyper Threading: ", CPUInfo._Ext.HT_HyperThreading);
BOOLADD("IA64 Intel 64-Bit Architecture: ", CPUInfo._Ext.IA64_Intel64BitArchitecture);
BOOLADD("MCA Machine Check Architecture: ", CPUInfo._Ext.MCA_MachineCheckArchitecture);
BOOLADD("MCE Machine Check Exception: ", CPUInfo._Ext.MCE_MachineCheckException);
BOOLADD("MMX Multimedia Extensions: ", CPUInfo._Ext.MMX_MultimediaExtensions);
BOOLADD("MMX+ Multimedia Extensions: ", CPUInfo._Ext.EMMX_MultimediaExtensions);
BOOLADD("MSR Model Specific Registers: ", CPUInfo._Ext.MSR_ModelSpecificRegisters);
BOOLADD("MTRR Memory Type Range Registers: ", CPUInfo._Ext.MTRR_MemoryTypeRangeRegisters);
BOOLADD("PAE Physical Address Extension: ", CPUInfo._Ext.PAE_PhysicalAddressExtension);
BOOLADD("PGE PTE Global Flag: ", CPUInfo._Ext.PGE_PTE_GlobalFlag);
if (CPUInfo._Ext.PN_ProcessorSerialNumber)
{
FORMATADD("PN Processor Serial Number: %s\n", CPUInfo.strProcessorSerial);
}
else
{
COPYADD("PN Processor Serial Number: Disabled\n");
}
BOOLADD("PSE Page Size Extensions: ", CPUInfo._Ext.PSE_PageSizeExtensions);
BOOLADD("PSE36 36-bit Page Size Extension: ", CPUInfo._Ext.PSE36_36bitPageSizeExtension);
BOOLADD("SEP Fast System Call: ", CPUInfo._Ext.SEP_FastSystemCall);
BOOLADD("SS Self Snoop: ", CPUInfo._Ext.SS_SelfSnoop);
BOOLADD("SSE Streaming SIMD Extensions: ", CPUInfo._Ext.SSE_StreamingSIMD_Extensions);
BOOLADD("SSE2 Streaming SIMD 2 Extensions: ", CPUInfo._Ext.SSE2_StreamingSIMD2_Extensions);
BOOLADD("ALTVEC Altivec Extensions: ", CPUInfo._Ext.Altivec_Extensions);
BOOLADD("TM Thermal Monitor: ", CPUInfo._Ext.TM_ThermalMonitor);
BOOLADD("TSC Time Stamp Counter: ", CPUInfo._Ext.TSC_TimeStampCounter);
BOOLADD("VME Virtual 8086 Mode Enhancements: ", CPUInfo._Ext.VME_Virtual8086ModeEnhancements);
BOOLADD("3DNow! Instructions: ", CPUInfo._Ext._3DNOW_InstructionExtensions);
BOOLADD("Enhanced 3DNow! Instructions: ", CPUInfo._Ext._E3DNOW_InstructionExtensions);
#endif
// Yippie!!!
return true;
}
// bool CProcessor::WriteInfoTextFile(const char *strFilename)
// ===========================================================
// Takes use of CProcessor::CPUInfoToText and saves the string to a
// file
///////////////////////////////////////////////////////////////////
bool CProcessor::WriteInfoTextFile(const char *strFilename)
{
char buf[16384]; /* Flawfinder: ignore */
// First we get the string
if (!CPUInfoToText(buf, 16383))
return false;
// Then we create a new file (CREATE_ALWAYS)
LLFILE *file = LLFile::fopen(strFilename, "w"); /* Flawfinder: ignore */
if (!file)
return false;
// After that we write the string to the file
unsigned long dwBytesToWrite, dwBytesWritten;
dwBytesToWrite = (unsigned long) strlen(buf); /*Flawfinder: ignore*/
dwBytesWritten = (unsigned long) fwrite(buf, 1, dwBytesToWrite, file);
fclose(file);
if (dwBytesToWrite != dwBytesWritten)
return false;
// Done
return true;
}
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