WebSVN – Kolibri OS – Diff – /kernel/branches/Kolibri-A/trunk/core/sys32.inc

 ;;  Distributed under GPL. See file COPYING for details.        ;;
 ;;  Copyright 2003 Ville Turjanmaa                              ;;
 ;;                                                              ;;
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-$Revision: 1369 $
+$Revision: 1664 $
 uglobal
   pf_err_code   dd ?
 endg
-page_fault_exc:                 ; äóðàêîóñòî÷èâîñòü: ñåëåêòîðû èñïîð÷åíû...
+page_fault_exc:                 ; fool-proofing: if selectors damaged...
-        pop     [ss:pf_err_code]; äåéñòâèòåëüíî äî ñëåäóþùåãî #PF
+        pop     [ss:pf_err_code]; active to the next #PF
         save_ring3_context
         mov     bl,14
-exc_c:                          ; èñêëþ÷åíèÿ (âñå, êðîìå 7-ãî - #NM)
+exc_c:                          ; exceptions (all but the 7th - #NM)
-; Ôðýéì ñòåêà ïðè èñêëþ÷åíèè/ïðåðûâàíèè èç 3-ãî êîëüöà + pushad (ò.å., èìåííî çäåñü)
+; the stack frame for an exception/interrupt occured in Ring3 + pushad (i.e. here)
   reg_ss        equ esp+0x30
   reg_esp3      equ esp+0x2C
   reg_eflags    equ esp+0x28
   reg_cs3       equ esp+0x24
   reg_eip       equ esp+0x20
- ; ýòî ôðýéì îò pushad
+ ; pushad's frame
   reg_eax       equ esp+0x1C
   reg_ecx       equ esp+0x18
   reg_edx       equ esp+0x14
   reg_ebx       equ esp+0x10
   reg_esp0      equ esp+0x0C
   reg_ebp       equ esp+0x08
   reg_esi       equ esp+0x04
   reg_edi       equ esp+0x00
-        Mov     ds,ax,app_data  ; çàãðóçèì ïðàâèëüíûå çíà÷åíèÿ
+        Mov     ds,ax,app_data  ; load the correct values
-        mov     es,ax           ; â ñåãìåíòíûå ðåãèñòðû
+        mov     es,ax           ; to segregs
-        cld                     ; è ïðèâîäèì DF ê ñòàíäàðòó
+        cld                     ; and clear DF
         movzx   ebx,bl
         mov     ds, ax
         mov     es, ax
         mov     edi, 14
         cmp     [v86_irqhooks+edi*8], 0
         jnz     v86_irq2
-;       mov     byte [BOOT_VAR + 0x48E], 0xFF
         call    [irq14_func]
         call    ready_for_next_irq_1
         restore_ring3_context
         iret
 p_irq15:
         mov     ds, ax
         mov     es, ax
         mov     edi, 15
         cmp     [v86_irqhooks+edi*8], 0
         jnz     v86_irq2
-;       mov     byte [BOOT_VAR + 0x48E], 0xFF
         call    [irq15_func]
         call    ready_for_next_irq_1
         restore_ring3_context
         iret
 ready_for_next_irq:
 	mov	eax,5
-        mov     [check_idle_semaphore],eax
-;        mov     al, 0x20
+        mov     [check_idle_semaphore],eax
-	add 	eax,(0x20-0x5)
 	add 	eax,(0x20-0x5)
         out     0x20, al
+        ret
         ret
 ;destroy eax
 ready_for_next_irq_1:
 	mov	eax,5
         mov     [check_idle_semaphore],eax
         pop  eax
         ret
-;  * eax = 64 - íîìåð ôóíêöèè
+;  * eax = 64 - sysFn #
-;  * ebx = 1 - åäèíñòâåííàÿ ïîäôóíêöèÿ
+;  * ebx = 1  - subFn
-;  * ecx = íîâûé ðàçìåð ïàìÿòè
+;  * ecx = new memory size
-;Âîçâðàùàåìîå çíà÷åíèå:
+;Returns:
-;  * eax = 0 - óñïåøíî
-;  * eax = 1 - íåäîñòàòî÷íî ïàìÿòè
-sys_resize_app_memory:
-        ; ebx = 1 - resize
+;  * eax = 0 - OK
-        ; ecx = new amount of memory
+;  * eax = 1 - insufficient memory
-;        cmp    eax,1
+sys_resize_app_memory:
 	dec	ebx
         jnz    .no_application_mem_resize
         stdcall new_mem_resize, ecx
-        mov [esp+32], eax
-.no_application_mem_resize:
-        ret
+        mov [esp+32], eax
 .no_application_mem_resize:
+        ret
 iglobal
-;  process_terminating  db 'K : Process - terminating',13,10,0
+iglobal
-;  process_terminated   db 'K : Process - done',13,10,0
+  msg_obj_destroy       db 'K : app object destroyed',13,10,0
-  msg_obj_destroy       db 'K : destroy app object',13,10,0
+endg
 endg
            pop    esi
            shl    esi, 5
            mov    [CURRENT_TASK+esi+TASKDATA.state], 9
            ret
 @@:
-           ;mov    esi,process_terminating
-           ;call   sys_msg_board_str
-@@:
            cli
            cmp   [application_table_status],0
            je    term9
            sti
            call  change_task
         movzx  edi, word [esi]               ; edi = process
         shl    edi, 5
         cmp    [CURRENT_TASK + edi + TASKDATA.state], byte 9  ; skip dead slots
         je     .check_next_window
         add    edi, window_data
-; \begin{diamond}[19.09.2006]
 ; skip minimized windows
         test   [edi + WDATA.fl_wstate], WSTATE_MINIMIZED
         jnz    .check_next_window
-; \end{diamond}
         call   waredraw
  .nothing_to_activate:
         popad
  .dont_activate:
         mov     esi, [esi+CURRENT_TASK+TASKDATA.pid]
         cmp     [hd1_status], esi
         jnz     @f
         call    free_hd_channel
         and     [hd1_status], 0
-@@:
+;@@:
-        cmp     [cd_status], esi
+;        cmp     [cd_status], esi
-        jnz     @f
+;        jnz     @f
-        call    free_cd_channel
+;        call    free_cd_channel
-        and     [cd_status], 0
+;        and     [cd_status], 0
 @@:
         cmp     [flp_status], esi
         jnz     @f
         and     [flp_status], 0
 @@:
 @@:
     inc  eax
     add  ecx, 0x100
     jmp  .xd0
 .xd1:
-;    call  systest
     sti  ; .. and life goes on
     mov   eax, [draw_limits.left]
     mov   ebx, [draw_limits.top]
     mov   [MOUSE_BACKGROUND],byte 0  ; no mouse background
     mov   [DONT_DRAW_MOUSE],byte 0  ; draw mouse
-    and   [application_table_status],0
     ;mov   esi,process_terminated
-    ;call  sys_msg_board_str
+    and   [application_table_status],0
     add esp, 4
     ret
 restore .slot
 iglobal
   boot_sched_1    db   'Building gdt tss pointer',0
-  boot_sched_2    db   'Building IDT table',0
+;  boot_sched_2    db   'Building IDT table',0
 endg
-build_scheduler:
-        mov    esi,boot_sched_1
         call   boot_log

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(root)/kernel/branches/Kolibri-A/trunk/core/sys32.inc – Rev 1505 → 1664