WebSVN – Kolibri OS – Diff – /kernel/branches/Kolibri-acpi/core/sched.inc



;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa      ;;
;; Distributed under terms of the GNU General Public License    ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

 

$Revision: 5599 $
 
 

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; IRQ0 HANDLER (TIMER INTERRUPT) ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 
align 32
irq0:
        pushad
        mov     ax, app_data
        mov     ds, ax

        xchg    esi, [current_slot]
; set new stack after saving old
        mov     [esi+APPDATA.saved_esp], esp
        mov     esp, [ebx+APPDATA.saved_esp]
; set new thread io-map
        mov     eax, [ebx+APPDATA.io_map]
        mov     dword [page_tabs+((tss._io_map_0 and -4096) shr 10)], eax
        mov     eax, [ebx+APPDATA.io_map+4]
        mov     dword [page_tabs+((tss._io_map_1 and -4096) shr 10)], eax
; set new thread memory-map
        mov     eax, [ebx+APPDATA.process]
        cmp     eax, [current_process]
        je      @f
        mov     [current_process], eax
        mov     eax, [eax+PROC.pdt_0_phys]
        mov     cr3, eax
@@:
; set tss.esp0

 
        mov     eax, [ebx+APPDATA.saved_esp0]

        mov     [tss._esp0], eax

 
        mov     edx, [ebx+APPDATA.tls_base]

 
        mov     dx, app_tls

        mov     fs, dx
 
; set gs selector unconditionally
        Mov     ax, graph_data
        Mov     gs, ax
      ; set CR0.TS
        cmp     bh, byte[fpu_owner] ;bh == incoming task (new)
        clts                        ;clear a task switch flag

      ; state == 5
        pushad  ; more freedom for [APPDATA.wait_test]
        call    [ebx+APPDATA.wait_test]
        mov     [esp+28], eax
        popad
        test    eax, eax
        jnz     @f
      ; testing for timeout
        mov     eax, [timer_ticks]
        sub     eax, [ebx+APPDATA.wait_begin]
        cmp     eax, [ebx+APPDATA.wait_timeout]

Rev 5593	Rev 5599
Line 3...	Line 3...
3	;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;	3	;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
4	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;	4	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;
5	;; Distributed under terms of the GNU General Public License ;;	5	;; Distributed under terms of the GNU General Public License ;;
6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 7...	Line 7...
7		7
Line 8...	Line 8...
8	$Revision: 5593 $	8	$Revision: 5599 $
9		9
10		10
Line 11...	Line 11...
11	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	11	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
12	;; IRQ0 HANDLER (TIMER INTERRUPT) ;;	12	;; IRQ0 HANDLER (TIMER INTERRUPT) ;;
13	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	13	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
14		14
-		15
15		16	align 32
16	align 32	17	irq0:
17	irq0:	18	pushad
18	pushad	19	mov ax, app_data
19	Mov ds, ax, app_data	20	mov ds, ax
Line 99...	Line 100...
99	xchg esi, [current_slot]	100	xchg esi, [current_slot]
100	; set new stack after saving old	101	; set new stack after saving old
101	mov [esi+APPDATA.saved_esp], esp	102	mov [esi+APPDATA.saved_esp], esp
102	mov esp, [ebx+APPDATA.saved_esp]	103	mov esp, [ebx+APPDATA.saved_esp]
103	; set new thread io-map	104	; set new thread io-map
-		105	mov eax, [ebx+APPDATA.io_map]
104	Mov dword [page_tabs+((tss._io_map_0 and -4096) shr 10)],eax,[ebx+APPDATA.io_map]	106	mov dword [page_tabs+((tss._io_map_0 and -4096) shr 10)], eax
-		107	mov eax, [ebx+APPDATA.io_map+4]
105	Mov dword [page_tabs+((tss._io_map_1 and -4096) shr 10)],eax,[ebx+APPDATA.io_map+4]	108	mov dword [page_tabs+((tss._io_map_1 and -4096) shr 10)], eax
106	; set new thread memory-map	109	; set new thread memory-map
107	mov eax, [ebx+APPDATA.process]	110	mov eax, [ebx+APPDATA.process]
108	cmp eax, [current_process]	111	cmp eax, [current_process]
109	je @f	112	je @f
110	mov [current_process], eax	113	mov [current_process], eax
111	mov eax, [eax+PROC.pdt_0_phys]	114	mov eax, [eax+PROC.pdt_0_phys]
112	mov cr3, eax	115	mov cr3, eax
113	@@:	116	@@:
114	; set tss.esp0	117	; set tss.esp0
Line 115...	Line 118...
115		118
-		119	mov eax, [ebx+APPDATA.saved_esp0]
Line 116...	Line 120...
116	Mov [tss._esp0],eax,[ebx+APPDATA.saved_esp0]	120	mov [tss._esp0], eax
Line 117...	Line 121...
117		121
118	mov edx, [ebx+APPDATA.tls_base]	122	mov edx, [ebx+APPDATA.tls_base]
Line 124...	Line 128...
124		128
125	mov dx, app_tls	129	mov dx, app_tls
Line 126...	Line 130...
126	mov fs, dx	130	mov fs, dx
127		131
-		132	; set gs selector unconditionally
128	; set gs selector unconditionally	133	Mov ax, graph_data
129	Mov gs,ax,graph_data	134	Mov gs, ax
130	; set CR0.TS	135	; set CR0.TS
131	cmp bh, byte[fpu_owner] ;bh == incoming task (new)	136	cmp bh, byte[fpu_owner] ;bh == incoming task (new)
132	clts ;clear a task switch flag	137	clts ;clear a task switch flag
Line 278...	Line 283...
278	; state == 5	283	; state == 5
279	pushad ; more freedom for [APPDATA.wait_test]	284	pushad ; more freedom for [APPDATA.wait_test]
280	call [ebx+APPDATA.wait_test]	285	call [ebx+APPDATA.wait_test]
281	mov [esp+28], eax	286	mov [esp+28], eax
282	popad	287	popad
283	or eax, eax	288	test eax, eax
284	jnz @f	289	jnz @f
285	; testing for timeout	290	; testing for timeout
286	mov eax, [timer_ticks]	291	mov eax, [timer_ticks]
287	sub eax, [ebx+APPDATA.wait_begin]	292	sub eax, [ebx+APPDATA.wait_begin]
288	cmp eax, [ebx+APPDATA.wait_timeout]	293	cmp eax, [ebx+APPDATA.wait_timeout]

Subversion Repositories Kolibri OS

(root)/kernel/branches/Kolibri-acpi/core/sched.inc – Rev 5593 → 5599