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Rev 380 Rev 412
Line 48... Line 48...
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align 32
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align 32
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SYSENTER_VAR	equ	0
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SYSENTER_VAR	equ	0
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sysenter_entry:
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sysenter_entry:
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	; Íàñòðàèâàåì ñòåê
 - 
 
- 
 
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	; Íàñòðàèâàåì ñòåê
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	cli
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     ;   cli                   sysenter clear IF
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	push	eax
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     ;   push    eax
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	mov	eax, [ss:CURRENT_TASK]
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     ;   mov     eax, [ss:CURRENT_TASK]
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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, [ss: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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- 
 
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        mov     esp, [ss:CURRENT_TASK]
- 
 
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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	eax, [ss:sysenter_stack - 4]		; eax - original eax, from app
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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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;;                     SYSCALL ENTRY                          ;;
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;;                     SYSCALL 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 32
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syscall_entry:
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syscall_entry:
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	cli
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  ;     cli                 syscall clear IF
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	xchg	ecx, [esp]
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	xchg	ecx, [esp]
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	mov	[SYSENTER_VAR + 4], esp
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	mov	[SYSENTER_VAR + 4], esp
- 
 
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	mov	[ss:sysenter_stack - 4], eax
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  ;      mov     [ss:sysenter_stack - 4], eax
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	mov	eax, [ss:CURRENT_TASK]
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  ;      mov     eax, [ss:CURRENT_TASK]
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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, [ss: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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- 
 
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        mov     esp, [ss:CURRENT_TASK]
- 
 
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        shl     esp, 8
- 
 
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        mov     esp, [ss:SLOT_BASE + esp + APPDATA.pl0_stack]
- 
 
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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
Line 125... Line 137...
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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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	mov	esp, [SYSENTER_VAR + 4]
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	mov	esp, [SYSENTER_VAR + 4]
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	xchg	ecx, [esp]
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	xchg	ecx, [esp]
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	sysret
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	sysret
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iglobal
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iglobal