1)fixed bug with wrong lfb size on some old videocards

2)set fpu/sse to default state for new thread
3)added driver sceletone

git-svn-id: svn://kolibrios.org@214 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/trunk/drivers/sis.asm

@@ -248,7 +248,6 @@ new_app_base	      equ 0x60400000;   0x01000000
 PROC_BASE	      equ OS_BASE+0x0080000
 
 public START
-public STOP
 public service_proc
 
 extrn AttachIntHandler
@@ -266,7 +265,13 @@ extrn GetCurrentTask
 
 section '.flat' code readable align 16
 
-START:
+proc START stdcall, state:dword
+
+           mov eax, [state]
+           cmp eax, 1
+           je .entry
+           jmp .stop
+.entry:
      if DEBUG
 	   mov esi, msgInit
            call SysMsgBoardStr
@@ -320,15 +325,18 @@ START:
            call SysMsgBoardStr
 
 	   ret
-
 .fail:
    if DEBUG
 	   mov esi, msgFail
            call SysMsgBoardStr
    end if
-STOP:
-	   xor eax, eax
-	   ret
+           xor eax, eax
+           ret
+.stop:
+           call stop
+           mov [ctrl.user_callback], 0
+           ret
+endp
 
 handle     equ  IOCTL.handle
 io_code    equ  IOCTL.io_code