不知道行不行,你试试看:主要可利用利用CPUID汇编指令(机器码:0FH A2H,如果你的编译器不支持CPUID指
令,只有emit机器码了)
该指令可以被如下CPU识别
Intel 486以上的CPU,
Cyrix M1以上的CPU,
AMD Am486以上的CPU
(1)取CPU OEM字符串,判断CPU厂商
先让EAX=0,再调用CPUID
Inel的CPU将返回:
EBX:756E6547H 'Genu'
EDX:49656E69H 'ineI'
ECX:6C65746EH 'ntel'
EBX,EDX,ECX将连成“GenuineIntel”,真正的Intel。
Cyrix的CPU将返回:
EBX:43797269H
EDX:78496E73H
ECX:74656164H
“CyrixInstead”,“Cyrix来代替”。
AMD的CPU将返回:
EBX:41757468H
EDX:656E7469H
ECX:63414D44H
“AuthenticAMD",可信的AMD。
在Windows98中,用右键单击“我的电脑”,选择“属性-常规”在计算机描述处
就可看见CPU OEM字符串。 (2)CPU到底是几86,是否支持MMX
先让EAX=1,再调用CPUID
EAX的 8到11位就表明是几86
3 - 386
4 - i486
5 - Pentium
6 - Pentium Pro Pentium II
2 - Dual Processors
EDX的第0位:有无FPU
EDX的第23位:CPU 是否支持IA MMX,很重要啊!如果你想用那57条新增的指令,先
检查这一位吧,否则就等着看Windows的“该程序执行了非法指令,将被关闭”吧
。 (3)专门检测是否P6架构
先让EAX=1,再调用CPUID
如果AL=1,就是Pentium Pro或Pentium II (4)专门检测AMD的CPU信息
先让EAX=80000001H,再调用CPUID
如果EAX=51H,是AMD K5
如果EAX=66H,是K6
K7是什么标志,只有等大家拿到K7的芯再说了。
EDX第0位:是否有FPU(多余的!谁用过没FPU的K5,K6?)
EDX第23位,CPU 是否支持MMX,
程序如下:是一个控制台程序,可以给出你的“心”的信息。如果把这个技术用于
DLL中,便可以使VB程序也知道“心”的信息。
//------CPUID Instruction Demo Program------------
#include <conio.h>
#include <iostream.h>
#pragma hdrstop
//------------------------------------------------
#pragma inline
#pragma argsused
int main(int argc, char **argv)
{
char OEMString[13]; int iEAXValue,iEBXValue,iECXValue,iEDXValue;
_asm {
mov eax,0
cpuid
mov DWORD PTR OEMString,ebx
mov DWORD PTR OEMString+4,edx
mov DWORD PTR OEMString+8,ecx
mov BYTE PTR OEMString+12,0
} cout<<"This CPU 's OEM String is:"<<OEMString<<endl; _asm {
mov eax,1
cpuid
mov iEAXValue,eax
mov iEBXValue,ebx
mov iECXValue,ecx
mov iEDXValue,edx
} if(iEDXValue&0x800000)
cout <<"This is MMX CPU"<<endl;
else
cout <<"None MMX Support."<<endl; int iCPUFamily=(0xf00 & iEAXValue)>>8;
cout <<"CPU Family is:"<<iCPUFamily<<endl; _asm{
mov eax,2
CPUID
}
if(_AL==1)
cout <<"Pentium Pro or Pentium II Found"; getch();
return 0;
}
令,只有emit机器码了)
该指令可以被如下CPU识别
Intel 486以上的CPU,
Cyrix M1以上的CPU,
AMD Am486以上的CPU
(1)取CPU OEM字符串,判断CPU厂商
先让EAX=0,再调用CPUID
Inel的CPU将返回:
EBX:756E6547H 'Genu'
EDX:49656E69H 'ineI'
ECX:6C65746EH 'ntel'
EBX,EDX,ECX将连成“GenuineIntel”,真正的Intel。
Cyrix的CPU将返回:
EBX:43797269H
EDX:78496E73H
ECX:74656164H
“CyrixInstead”,“Cyrix来代替”。
AMD的CPU将返回:
EBX:41757468H
EDX:656E7469H
ECX:63414D44H
“AuthenticAMD",可信的AMD。
在Windows98中,用右键单击“我的电脑”,选择“属性-常规”在计算机描述处
就可看见CPU OEM字符串。 (2)CPU到底是几86,是否支持MMX
先让EAX=1,再调用CPUID
EAX的 8到11位就表明是几86
3 - 386
4 - i486
5 - Pentium
6 - Pentium Pro Pentium II
2 - Dual Processors
EDX的第0位:有无FPU
EDX的第23位:CPU 是否支持IA MMX,很重要啊!如果你想用那57条新增的指令,先
检查这一位吧,否则就等着看Windows的“该程序执行了非法指令,将被关闭”吧
。 (3)专门检测是否P6架构
先让EAX=1,再调用CPUID
如果AL=1,就是Pentium Pro或Pentium II (4)专门检测AMD的CPU信息
先让EAX=80000001H,再调用CPUID
如果EAX=51H,是AMD K5
如果EAX=66H,是K6
K7是什么标志,只有等大家拿到K7的芯再说了。
EDX第0位:是否有FPU(多余的!谁用过没FPU的K5,K6?)
EDX第23位,CPU 是否支持MMX,
程序如下:是一个控制台程序,可以给出你的“心”的信息。如果把这个技术用于
DLL中,便可以使VB程序也知道“心”的信息。
//------CPUID Instruction Demo Program------------
#include <conio.h>
#include <iostream.h>
#pragma hdrstop
//------------------------------------------------
#pragma inline
#pragma argsused
int main(int argc, char **argv)
{
char OEMString[13]; int iEAXValue,iEBXValue,iECXValue,iEDXValue;
_asm {
mov eax,0
cpuid
mov DWORD PTR OEMString,ebx
mov DWORD PTR OEMString+4,edx
mov DWORD PTR OEMString+8,ecx
mov BYTE PTR OEMString+12,0
} cout<<"This CPU 's OEM String is:"<<OEMString<<endl; _asm {
mov eax,1
cpuid
mov iEAXValue,eax
mov iEBXValue,ebx
mov iECXValue,ecx
mov iEDXValue,edx
} if(iEDXValue&0x800000)
cout <<"This is MMX CPU"<<endl;
else
cout <<"None MMX Support."<<endl; int iCPUFamily=(0xf00 & iEAXValue)>>8;
cout <<"CPU Family is:"<<iCPUFamily<<endl; _asm{
mov eax,2
CPUID
}
if(_AL==1)
cout <<"Pentium Pro or Pentium II Found"; getch();
return 0;
}
"HKEY_LOCAL_MACHINE\hardware\DESCRIPTION\System\CentralProcessor\0"
对应VendorIndentifier的值
下面这个函数会返回一个字符串列表及特性集合,这个函数只对Intel 486及以上的CPU有效。其他CPU将返回[cpuNonIntel] 或 [cpuNoCPUID].用法:GetCpuFeatures(memo1.Lines);支持的特性
---------------------------------------
CPU Family 6
CPU Model 7
CPU Stepping 3
On-Chip FPU
VirtualMode Extensions
Debugging Extensions
Page Size Extensions
Time Stamp Counter
Model Specific Registers
Physical Address Extensions
Machine Check Extensions
CMPXCHG8B Instruction
Fast System Call
Memory Type Range Registers
Page Global Enable
Machine Check Architecture
Conditional Move Instruction
Page Attribute Table
32 Bit Page Size Extension
Intel MMX Technology
Fast Floating Point Save and Restore
Streaming SIMD Extensionsunit Unit2;
interface
uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms;type
TForm2 = class(TForm)
private
{ Private declarations }
public
{ Public declarations } end; TCpuFeature = (cpuNoCPUID,cpuNonIntel,cpuOnChipFPU,
cpuVirtualModeExtensions,cpuDebuggingExtensions,
cpuPageSizeExtensions,cpuTimeStampCounter,
cpuModelSpecificRegisters,cpuPhysicalAddressExtensions,
cpuMachineCheckExtensions,cpuCMPXCHG8B,cpuOnChipAPIC,
cpuFastSystemCall,cpuMemoryRangeRegisters,cpuPageGlobalEnable,
cpuMachineCheckArchitecture,cpuConditionalMoveInstruction,
cpuPageAttributeTable,cpu32bitPageSzExtension,
cpuProcessorSerialNum,cpuMMXTechnology,cpuFastFloatingPoint,
cpuSIMDExtensions); TCpuFeatures = set of TCpuFeature; function GetCpuFeatures(FeatureList : TStrings = nil) : TCpuFeatures;var Form2: TForm2;
implementation
{$R *.DFM}function GetCpuFeatures(FeatureList : TStrings = nil) : TCpuFeatures;
const
FPU_FLAG = $0001;
VME_FLAG = $0002;
DE_FLAG = $0004;
PSE_FLAG = $0008;
TSC_FLAG = $0010;
MSR_FLAG = $0020;
PAE_FLAG = $0040;
MCE_FLAG = $0080;
CX8_FLAG = $0100;
APIC_FLAG = $0200;
SEP_FLAG = $0800;
MTRR_FLAG = $1000;
PGE_FLAG = $2000;
MCA_FLAG = $4000;
CMOV_FLAG = $8000;
PAT_FLAG = $10000;
PSE36_FLAG = $20000;
PSNUM_FLAG = $40000;
MMX_FLAG = $800000;
FXSR_FLAG = $1000000;
SIMD_FLAG = $2000000;var IsIntel : boolean;
VendorID : array [0..12] of char;
IntelID : array [0..12] of char;
FeaturesFlag,CpuSignature : DWord;
Temp : DWord;
RetVar : TCpuFeatures;
CpuType : byte; procedure CheckFeature(FeatureFlag : DWord;
const Item : string;
cpuFeatureType : TCpuFeature);
begin
if FeaturesFlag and FeatureFlag = FeatureFlag then begin
if FeatureList <> nil then FeatureList.Add(Item);
include(RetVar,cpuFeatureType);
end;
end;begin
RetVar := [];
if FeatureList <> nil then FeatureList.Clear;
IsIntel := false;
IntelId := 'GenuineIntel'#0;
VendorID := '------------'#0; try
asm //确认是否支持Intel CPUID调用
push ebx
push esi
push edi
mov eax,0 // Set up for CPUID instruction
db 00fh // CPUID - Get Vendor and check INTEL
db 0a2h
mov dword ptr VendorId,ebx
mov dword ptr VendorId[+4],edx
mov dword ptr VendorId[+8],ecx
cmp dword ptr IntelId,ebx //检查是否是Intel CPU
jne @@EndCPUID
cmp dword ptr IntelId[+4],edx
jne @@EndCPUID
cmp dword ptr IntelId[+8],ecx
jne @@EndCPUID // 非Intel CPU mov byte ptr IsIntel,1 // Set IsIntel to true
cmp eax,1 // Ensure 1 is valid input for CPUID
jl @@EndCPUID // Else jump to end mov eax,1
db 00fh // CPUID - Get features,family etc.
db 0a2h
mov CpuSignature,eax
mov FeaturesFlag,edx
shr eax,8 // Isolate family
and eax,0fh
mov byte ptr CpuType,al // Set cputype with family @@EndCPUID : pop edi // 恢复寄存器
pop esi
pop ebx
end; // 检查特性掩码
if IsIntel then begin
if FeatureList <> nil then begin
FeatureList.Add('CPU Family ' + IntToStr(CpuType));
Temp := (CpuSignature shr 4) and $0f;
FeatureList.Add('CPU Model ' + IntToStr(Temp));
Temp := CpuSignature and $0f;
FeatureList.Add('CPU Stepping ' + IntToStr(Temp));
end; CheckFeature(FPU_FLAG,'On-Chip FPU',cpuOnChipFPU);
CheckFeature(VME_FLAG,
'VirtualMode Extensions',cpuVirtualModeExtensions);
CheckFeature(DE_FLAG,'Debugging Extensions',cpuDebuggingExtensions);
CheckFeature(PSE_FLAG,'Page Size Extensions',cpuPageSizeExtensions);
CheckFeature(TSC_FLAG,'Time Stamp Counter',cpuTimeStampCounter);
CheckFeature(MSR_FLAG,
'Model Specific Registers',cpuModelSpecificRegisters);
CheckFeature(PAE_FLAG,
'Physical Address Extensions',
cpuPhysicalAddressExtensions);
CheckFeature(MCE_FLAG,
'Machine Check Extensions',cpuMachineCheckExtensions);
CheckFeature(CX8_FLAG,'CMPXCHG8B Instruction',cpuCMPXCHG8B);
CheckFeature(APIC_FLAG,'On Chip APIC',cpuOnChipAPIC);
CheckFeature(SEP_FLAG,'Fast System Call',cpuFastSystemCall);
CheckFeature(MTRR_FLAG,
'Memory Type Range Registers',cpuMemoryRangeRegisters);
CheckFeature(PGE_FLAG,'Page Global Enable',cpuPageGlobalEnable);
CheckFeature(MCA_FLAG,
'Machine Check Architecture',cpuMachineCheckArchitecture);
CheckFeature(CMOV_FLAG,
'Conditional Move Instruction',
cpuConditionalMoveInstruction);
CheckFeature(PAT_FLAG,'Page Attribute Table',cpuPageAttributeTable);
CheckFeature(PSE36_FLAG,
'32 Bit Page Size Extension',cpu32BitPageSzExtension);
CheckFeature(PSNUM_FLAG,
'Processor Serial Number',cpuProcessorSerialNum);
CheckFeature(MMX_FLAG,'Intel MMX Technology',cpuMMXTechnology);
CheckFeature(FXSR_FLAG,
'Fast Floating Point Save and Restore',
cpuFastFloatingPoint);
CheckFeature(SIMD_FLAG,'Streaming SIMD Extensions',cpuSIMDExtensions);
end
else begin
if FeatureList <> nil then
FeatureList.Add('Non-Intel or >486 Chip - Features Unknown');
include(RetVar,cpuNonIntel);
end;
except
if FeatureList <> nil then FeatureList.Add('No CPUID Support');
include(RetVar,cpuNoCPUID);
end; Result := RetVar;
end;end.
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;
type
TCPUID = array[1..4] of Longint;
TForm1 = class(TForm)
Button1: TButton;
Memo1: TMemo;
procedure Button1Click(Sender: TObject);
function GetCPUID : TCPUID;
private
{ Private declarations }
public
{ Public declarations }
end;
var
tp:Tcpuid;
Form1: TForm1;
implementation
{$R *.DFM}
function TForm1.GetCPUID : TCPUID; assembler; register;
asm
PUSH EAX
PUSH EBX
PUSH ECX
PUSH EDI
MOV EDI,EDX
MOV EAX,1
DW $A20F
STOSD
MOV EAX,EBX
STOSD
MOV EAX,ECX
STOSD
MOV EAX,EDX
STOSD
POP EDI
POP ECX
POP EBX
POP EAX
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
tp:=getcpuid;
memo1.Lines.Add(floattostr(tp[1]));
memo1.Lines.Add(floattostr(tp[2]));
memo1.Lines.Add(floattostr(tp[3]));
memo1.Lines.Add(floattostr(tp[4]));
end;
a:array[0..15] of byte;
dword save_edi, save_esi, save_esp, save_ebp, save_ebx;
begin
asm mov save_edi, EDI
mov save_esi, ESI
mov save_esp, ESP
mov save_ebp, EBP
mov save_ebx, EBX mov eax,0 DW $A20F lea esi, a
mov edi, 0
// mov a[0],ebx
mov dword ptr [esi+edi], ebx
add edi, 4
// mov a[4],edx
mov dword ptr [esi+edi], edx
add edi, 4
// mov a[8],ecx
mov dword ptr [esi+edi], ecx
mov ebx, save_ebx
mov ebp, save_ebp
mov esp, save_esp
mov esi, save_esi
mov EDI, save_edi
end;
end;
可以的。