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delphi 读cpu串号的代码

作者:admin 来源:未知 日期:2010/4/26 23:00:08 人气: 标签:cpu

unit CPU;

interface

uses
SysUtils;

type
TCPUID = array[1..4] of Longint;
TVendor = array[0..11] of char;

function GetCPUID: TCPUID; assembler; register;
function GetCPUVendor: TVendor; assembler; register;
function GetCPUInfo: string;

implementation

function GetCPUID: TCPUID; assembler; register;
asm
PUSH EBX {Save affected register}
PUSH EDI
MOV EDI,EAX {@Resukt}
MOV EAX,1
DW $A20F {CPUID Command}
STOSD {CPUID[1]}
MOV EAX,EBX
STOSD {CPUID[2]}
MOV EAX,ECX
STOSD {CPUID[3]}
MOV EAX,EDX
STOSD {CPUID[4]}
POP EDI {Restore registers}
POP EBX
end;

function GetCPUVendor: TVendor; assembler; register;
asm
PUSH EBX {Save affected register}
PUSH EDI
MOV EDI,EAX {@Result (TVendor)}
MOV EAX,0
DW $A20F {CPUID Command}
MOV EAX,EBX
XCHG EBX,ECX {save ECX result}
MOV ECX,4
@1:
STOSB
SHR EAX,8
LOOP @1
MOV EAX,EDX
MOV ECX,4
@2:
STOSB
SHR EAX,8
LOOP @2
MOV EAX,EBX
MOV ECX,4
@3:
STOSB
SHR EAX,8
LOOP @3
POP EDI {Restore registers}
POP EBX
end;

function GetCPUInfo: string;
var
CPUID: TCPUID;
I: Integer;
S: TVendor;
begin
for I := Low(CPUID) to High(CPUID) do
CPUID[I] := -1;

CPUID := GetCPUID;

S := GetCPUVendor;

Result := S + IntToHex(CPUID[1],8) + IntToHex(CPUID[2],8)
+ IntToHex(CPUID[3],8) + IntToHex(CPUID[4],8);
end;

end.

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