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;;                                                            ;;
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;;                                                            ;;
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;;                   SYSTEM CALL ENTRY                        ;;
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;;                   SYSTEM CALL ENTRY                        ;;
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;;                                                            ;;
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;;                                                            ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 32
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align 16
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i40:
 - 
 
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      push  ds es
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i40:
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      pushad
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      pushad
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      cld
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      cld
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      mov   ax,word os_data
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 ;     mov   ax, word app_data
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      mov   ds,ax
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 ;     mov   ds, ax
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      mov   es,ax
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 ;     mov   es, ax
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      ; load all registers in crossed order
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      ; load all registers in crossed order
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      sti
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      sti
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      push  eax
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      push  eax
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      and   edi,0xff
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      and   edi,0xff
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      call  dword [servetable+edi*4]
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      call  dword [servetable+edi*4]
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      pop   eax
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      pop   eax
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;      cli
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      popad
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      pop   es ds
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      popad
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      iretd
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      iretd
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     ;   shl     eax, 8
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     ;   shl     eax, 8
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     ;   mov     eax, [ss:SLOT_BASE + eax + APPDATA.pl0_stack]
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     ;   mov     eax, [ss:SLOT_BASE + eax + APPDATA.pl0_stack]
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     ;   lea     esp, [eax + RING0_STACK_SIZE]           ; configure ESP
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     ;   lea     esp, [eax + RING0_STACK_SIZE]           ; configure ESP
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     ;   mov     eax, [ss:sysenter_stack - 4]            ; eax - original eax, from app
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     ;   mov     eax, [ss:sysenter_stack - 4]            ; eax - original eax, from app
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        mov     esp, [ss:CURRENT_TASK]
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        mov     esp, [CURRENT_TASK]
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        shl     esp, 8
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        shl     esp, 8
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        mov     esp, [ss:SLOT_BASE + esp + APPDATA.pl0_stack]
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        mov     esp, [SLOT_BASE + esp + APPDATA.pl0_stack]
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        add     esp, RING0_STACK_SIZE           ; configure ESP
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        add     esp, RING0_STACK_SIZE           ; configure ESP
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	sti
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	sti
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	;------------------
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	push	ds es
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    ;------------------
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	pushad
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	pushad
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	cld
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	cld
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	mov	ax, word os_data
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  ;      mov     ax, word app_data
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	mov	ds, ax
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  ;      mov     ds, ax
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	mov	es, ax
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  ;      mov     es, ax
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        mov     eax, ebx
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        mov     eax, ebx
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	and	edi, 0xff
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	and	edi, 0xff
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	call	dword [servetable + edi * 4]
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	call	dword [servetable + edi * 4]
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	pop	eax
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	pop	eax
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	popad
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	pop	es ds
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	popad
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	;------------------
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	;------------------
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	mov	edx, [SYSENTER_VAR]		; eip
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        mov     edx, [SYSENTER_VAR]       ; eip
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	mov	ecx, [SYSENTER_VAR + 4]	; esp
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        mov     ecx, [SYSENTER_VAR + 4]   ; esp
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  ;      shl     eax, 8
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  ;      shl     eax, 8
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  ;      mov     eax, [ss:SLOT_BASE + eax + APPDATA.pl0_stack]
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  ;      mov     eax, [ss:SLOT_BASE + eax + APPDATA.pl0_stack]
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  ;      lea     esp, [eax + RING0_STACK_SIZE]           ; configure ESP
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  ;      lea     esp, [eax + RING0_STACK_SIZE]           ; configure ESP
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  ;      mov     eax, [ss:sysenter_stack - 4]            ; eax - original eax, from app
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  ;      mov     eax, [ss:sysenter_stack - 4]            ; eax - original eax, from app
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        mov     esp, [ss:CURRENT_TASK]
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        mov     esp, [CURRENT_TASK]
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        shl     esp, 8
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        shl     esp, 8
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        mov     esp, [ss:SLOT_BASE + esp + APPDATA.pl0_stack]
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        mov     esp, [SLOT_BASE + esp + APPDATA.pl0_stack]
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        add     esp, RING0_STACK_SIZE             ; configure ESP
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        add     esp, RING0_STACK_SIZE             ; configure ESP
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	sti
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	sti
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	;------------------
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	;------------------
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	push	ds es
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;        push    ds es
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	pushad
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	pushad
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	cld
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	cld
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	mov	ax, word os_data
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  ;      mov     ax, word app_data
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	mov	ds, ax
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  ;      mov     ds, ax
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	mov	es, ax
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  ;      mov     es, ax
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	and	edi, 0xff
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	and	edi, 0xff
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	call	dword [servetable + edi * 4]
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	call	dword [servetable + edi * 4]
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	pop	eax
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	pop	eax
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	popad
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	popad
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	pop	es ds
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 ;       pop     es ds
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	;------------------
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	;------------------
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        cli
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        cli