请教cpu的测试办法

[suntao222]

要求测试：
cpu 32bit register read/write
cpu 32bit stack instruction
cpu 32bit data access through FS GS
cpu 32bit extend flag instruction
cpu 32bit multiplication
cpu protected mode entry instruction
cpu speed test
cpu protected mode test ->a20 line, protected mode instructions
只要能给出有关资料就好，比如如何进行32位寄存器的读写，如何进行保护模式下指令的测试，所有测试在dos下进行

[leon_z]

在DOS 不是可以直接用 汇编读写这些东东吗

[aspnetwuxueyou]

#pragma once

inline unsigned __int64 GetCycleCount(void)
{
_asm _emit 0x0F
_asm _emit 0x31
}

class KTimer
{
unsigned __int64 m_startcycle;
public:
unsigned __int64 m_overhead;

KTimer(void)
{
m_overhead = 0;
Start();
m_overhead = Stop();
}

void Start(void)
{
m_startcycle = GetCycleCount();
}

unsigned __int64 Stop(void)
{
return GetCycleCount() - m_startcycle - m_overhead;
}
};

[aspnetwuxueyou]

#define STRICT
#define WIN32_LEAN_AND_MEAN

#include <windows.h>
#include <tchar.h>

#include "timer.h"

int WINAPI WinMain(HINSTANCE hInst, HINSTANCE, LPSTR lpCmd, int nShow)
{
KTimer timer;
TCHAR mess[128];

timer.Start();
Sleep(1000);
unsigned cpuspeed10 = (unsigned)( timer.Stop() / 100000 );

timer.Start();
CreateSolidBrush(RGB(0xAA, 0xAA, 0xAA));
unsigned time = (unsigned)timer.Stop();

wsprintf(mess, _T("CPU speed %d.%d mhz\n")
_T("KTimer overhead %d clock cycles\n")
_T("CreateSolidBrush %d clock cycles %d ns"),
cpuspeed10 / 10, cpuspeed10 % 10,
(unsigned) timer.m_overhead,
time, time * 10000 / cpuspeed10);

MessageBox(NULL, mess, _T("How fast is GDI?"), MB_OK);

return 0;
}

[aspnetwuxueyou]

Get cpu speed

[danielzhu]

UP