From:
http://www.experts-exchang
HTH,
...Shu
Comment from Olympus
Date: 08/21/2000 06:05AM IST
Author Comment
im sure theres an assembly function that returns something you can convert to the specific processor type string..
Comment from ckaneta
Date: 08/21/2000 08:20AM IST
Comment
well, that code I mentioned uses an awful lot of assembly
here it is
--------------------------
//////////////////////////
// (c) NPS, 1997 - Idea, realisation, adoptation IsCPUID_Available) //
// kvk@estpak.ee //
// (c) Alex Abreu, 1997 - IsCPUID_Available source and idea //
// simonet@bhnet.com.br //
//////////////////////////
interface
uses
Windows,
Messages,
SysUtils,
Classes,
Graphics,
Controls,
Forms,
Dialogs,
ExtCtrls,
StdCtrls,
Buttons;
type
TDemoForm = class(TForm)
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
GetButton: TBitBtn;
CloseButton: TBitBtn;
Bevel1: TBevel;
Label5: TLabel;
FLabel: TLabel;
MLabel: TLabel;
PLabel: TLabel;
SLabel: TLabel;
PValue: TLabel;
FValue: TLabel;
MValue: TLabel;
SValue: TLabel;
procedure GetButtonClick(Sender: TObject);
end;
var
DemoForm: TDemoForm;
implementation
{$R *.DFM}
const
ID_BIT = $200000; // EFLAGS ID bit
type
TCPUID = array[1..4] of Longint;
TVendor = array [0..11] of char;
function IsCPUID_Available : Boolean; register;
asm
PUSHFD {direct access to flags no possible, only via stack}
POP EAX {flags to EAX}
MOV EDX,EAX {save current flags}
XOR EAX,ID_BIT {not ID bit}
PUSH EAX {onto stack}
POPFD {from stack to flags, with not ID bit}
PUSHFD {back to stack}
POP EAX {get back to EAX}
XOR EAX,EDX {check if ID bit affected}
JZ @exit {no, CPUID not availavle}
MOV AL,True {Result=True}
@exit:
end;
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;
procedure TDemoForm.GetButtonClick(S
var
CPUID : TCPUID;
I : Integer;
S : TVendor;
begin
for I := Low(CPUID) to High(CPUID) do CPUID[I] := -1;
if IsCPUID_Available then begin
CPUID := GetCPUID;
Label1.Caption := 'CPUID[1] = ' + IntToHex(CPUID[1],8);
Label2.Caption := 'CPUID[2] = ' + IntToHex(CPUID[2],8);
Label3.Caption := 'CPUID[3] = ' + IntToHex(CPUID[3],8);
Label4.Caption := 'CPUID[4] = ' + IntToHex(CPUID[4],8);
PValue.Caption := IntToStr(CPUID[1] shr 12 and 3);
FValue.Caption := IntToStr(CPUID[1] shr 8 and $f);
MValue.Caption := IntToStr(CPUID[1] shr 4 and $f);
SValue.Caption := IntToStr(CPUID[1] and $f);
S := GetCPUVendor;
Label5.Caption := 'Vendor: ' + S; end
else begin
Label5.Caption := 'CPUID not available';
end;
end;
end.
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by: gmayoPosted on 2003-11-20 at 03:13:21ID: 9786458
http://www.torry.net/cpu.h
Geoff M.