Board.KolibriOS.org

0.PNG [ 12.5 KiB | Viewed 1839 times ]

Unit Unit1;
(* -------------------------------------------------------- *)
Interface
(* -------------------------------------------------------- *)
Type

  Dword = Cardinal;

  TKernelVersion = Packed Record
    A, B, C, D: Byte;
    reserved:   Byte;
    Revision:   Dword;
  End; 
  
Var
  hConsole: Pointer;
  ConsoleInit:       Procedure(WndWidth, WndHeight, ScrWidth, ScrHeight: Dword; Caption: PChar); StdCall;
  ConsoleExit:       Procedure(bCloseWindow: Cardinal); StdCall;
  printf:            Function(Const Format: PChar): Integer; CDecl VarArgs;
(* -------------------------------------------------------- *)
  Procedure Main; Forward;
  Procedure ThreadTerminate; Forward;
  Function  LoadLibrary(Path: PChar): Pointer; StdCall; Forward;
  Function  GetProcAddress(hLib: Pointer; ProcName: PChar): Pointer; StdCall; Forward;
  Procedure GetKernelVersion(Var Buffer: TKernelVersion); StdCall;Forward;
(* -------------------------------------------------------- *)
Implementation
(* -------------------------------------------------------- *)
Procedure Main();
Var 
   KernelVersion: TKernelVersion;
Begin

   hConsole          := LoadLibrary('/sys/lib/console.obj');
   ConsoleInit       := GetProcAddress(hConsole, 'con_init');
   ConsoleExit       := GetProcAddress(hConsole, 'con_exit');
   printf            := GetProcAddress(hConsole, 'con_printf');

   ConsoleInit($FFFFFFFF, $FFFFFFFF, $FFFFFFFF, $FFFFFFFF, 'Test');

   GetKernelVersion(KernelVersion);
   With KernelVersion Do Begin
     printf('Version  = %d.%d.%d.%d'#10, A, B, C, D);
     printf('Revision = %d'#10, Revision);
   End;
   
   ConsoleExit(0);
   ThreadTerminate;
End;
(* -------------------------------------------------------- *)
{18.13}   Procedure GetKernelVersion(Var Buffer: TKernelVersion); StdCall;
          Asm
                  push   ebx
                  mov    eax, 18
                  mov    ebx, 13
                  mov    ecx, Buffer
                  int    64
                  pop    ebx
          End;
(* -------------------------------------------------------- *)
Procedure ThreadTerminate();
Asm
        mov    eax, $FFFFFFFF
        int    64
End;
(* -------------------------------------------------------- *)
Function GetProcAddress(hLib: Pointer; ProcName: PChar): Pointer;
Asm
        push   esi
        push   edi
        push   ebx
        mov    edx, hLib
        xor    eax, eax
        test   edx, edx
        jz     @end
        mov    edi, ProcName
        mov    ecx, $FFFFFFFF
        repne scasb
        mov    ebx, ecx
        not    ebx
@next:
        mov    esi, [edx]
        test   esi, esi
        jz     @end
        mov    ecx, ebx
        mov    edi, ProcName
        add    edx, 8
        repe cmpsb
        jne    @next
        mov    eax, [edx - 4]
@end:
        pop    ebx
        pop    edi
        pop    esi
End;
(* -------------------------------------------------------- *)
Function LoadLibrary(Path: PChar): Pointer;
Asm
        push   ebx
        mov    eax, 68
        mov    ebx, 19
        mov    ecx, Path
        int    64
        pop    ebx
End;
(* -------------------------------------------------------- *)
End.