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


$Revision: 465 $
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                              ;;
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License    ;;
;;                                                              ;;
;;                                                              ;;
;;  MenuetOS process management, protected ring3                ;;
;;                                                              ;;
;;  Distributed under GPL. See file COPYING for details.        ;;
;;  Copyright 2003 Ville Turjanmaa                              ;;
;;                                                              ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
align 4
idtreg:
     dw   8*0x41-1
     dd   idts+8
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
build_interrupt_table:
 
        mov    edi, idts+8
        mov    esi, sys_int
        mov    ecx, 0x40
     @@:
        lodsd
        mov    [edi],   ax           ; lower part of offset
        mov    [edi+2], word os_code ; segment selector
        mov     ax, word 10001110b shl 8        ; type: interrupt gate
        mov     [edi+4], eax
        add    edi, 8
        loop    @b
 
        ;mov    edi,8*0x40+idts+8
        mov     dword [edi], (i40 and 0xFFFF) or (os_code shl 16)
        mov     dword [edi+4], (11101111b shl 8) or (i40 and 0xFFFF0000)
                                                ; type: trap gate
        ret
 
iglobal
  sys_int:
    dd e0,debug_exc,e2,e3
    dd e4,e5,e6,e7
    dd e8,e9,e10,e11
    dd e12,e13,page_fault_handler,e15
 
    dd except_16, e17,e18, except_19
    times 12 dd unknown_interrupt
 
    dd   irq0  , irq_serv.irq_1, p_irq2 , p_irq3     ;irq_serv.irq_3
    dd   irq_serv.irq_4 ,irq_serv.irq_5,p_irq6,irq_serv.irq_7
    dd   irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10
    dd   irq_serv.irq_11,p_irq12,irqD ,p_irq14,p_irq15
 
    times 16 dd unknown_interrupt
 
    dd   i40
endg
 
macro save_ring3_context
{
 
    pushad
}
macro restore_ring3_context
{
    popad
 
}
 
; simply return control to interrupted process
unknown_interrupt:
     iret
 
macro exc_wo_code [num]
{
  forward
  e#num :
      save_ring3_context
      mov bl, num
      jmp exc_c
}
 
macro exc_w_code [num]
{
  forward
  e#num :
      add esp, 4
      save_ring3_context
      mov bl, num
      jmp exc_c
}
 
exc_wo_code 0, 1, 2, 3, 4, 5, 6, 9, 15, 18
exc_w_code 8, 10, 11, 12, 13, 14, 17
 
exc_c:
        mov   ax, app_data  ;èñêëþ÷åíèå
        mov   ds, ax        ;çàãðóçèì ïðàâèëüíûå çíà÷åíè
        mov   es, ax        ;â ðåãèñòðû
 
; test if debugging
        cli
        mov   eax, [current_slot]
 
        mov   eax, [eax+APPDATA.debugger_slot]
        test  eax, eax
        jnz   .debug
        sti
; not debuggee => say error and terminate
        add   esp, 0x20  ;28h
        movzx eax, bl
        mov   [error_interrupt], eax
        call  show_error_parameters
 
        mov   edx, [TASK_BASE]
        mov   [edx + TASKDATA.state], byte 4
 
        jmp   change_task
 
.debug:
; we are debugged process, notify debugger and suspend ourself
; eax=debugger PID
        cld
        movzx ecx, bl
        push  ecx
        mov   ecx, [TASK_BASE]
        push  dword [ecx+TASKDATA.pid]    ; PID of current process
        push  12
        pop   ecx
        push  1        ; 1=exception
        call  debugger_notify
        pop   ecx
        pop   ecx
        pop   ecx
        mov   edx, [TASK_BASE]
        mov   byte [edx+TASKDATA.state], 1        ; suspended
        call  change_task
        restore_ring3_context
        iretd
 
writehex:
      pusha
 
      mov  edi, [write_error_to]
      mov  esi, 8
    @@:
      mov  ecx, eax
      and  ecx, 0xf
 
      mov  cl,[ecx+hexletters]
      mov  [edi],cl
      dec  edi
 
      shr  eax,4
      dec  esi
      jnz  @b
 
      popa
      ret
 
iglobal
  hexletters  db '0123456789ABCDEF'
 
  error_interrupt         dd  -1
 
  process_error  db 'K : Process - forced terminate INT: 00000000',13,10,0
  process_pid    db 'K : Process - forced terminate PID: 00000000',13,10,0
  process_eip    db 'K : Process - forced terminate EIP: 00000000',13,10,0
  system_error   db 'K : Kernel error',13,10,0
endg
 
uglobal
  write_error_to  dd  0x0
endg
 
show_error_parameters:
 
        mov    [write_error_to],process_pid+43
        mov    eax,[CURRENT_TASK]
        shl    eax, 5
        mov    eax,[CURRENT_TASK+TASKDATA.pid+eax]
        call   writehex
 
        mov    [write_error_to],process_error+43
        mov    eax,[error_interrupt]
        call   writehex
 
        cmp    dword [esp+4+4], os_code ; CS
        jnz    @f
        mov    esi,system_error
        call   sys_msg_board_str
      @@:
        mov    eax, [esp+4] ; EIP
 
        mov    [write_error_to],process_eip+43
        call   writehex
 
        mov    esi,process_error
        call   sys_msg_board_str
 
        mov    esi,process_pid
        call   sys_msg_board_str
 
        mov    esi,process_eip
        call   sys_msg_board_str
 
        ret
 
 
 
; irq1  ->  hid/keyboard.inc
 
 
macro irqh [num]
{
  forward
  p_irq#num :
     save_ring3_context
     mov   edi, num
     jmp   irq_c
}
 
irqh 2,5,7,8,9,10,11
 
irq_c:
     mov   ax, app_data  ;os_data
     mov   ds, ax
     mov   es, ax
     call  irqhandler
     restore_ring3_context
     iret
 
p_irq6:
     save_ring3_context
     mov   ax, app_data  ;os_data
     mov   ds, ax
     mov   es, ax
     call  fdc_irq
     call  ready_for_next_irq
     restore_ring3_context
     iret
 
p_irq3:
     save_ring3_context
     mov   ax, app_data  ;os_data
     mov   ds, ax
     mov   es, ax
     cmp   [com2_mouse_detected],0
     je    old_irq3_handler
     call  check_mouse_data_com2
     jmp   p_irq3_1
 old_irq3_handler:
     mov   edi,3
     call  irqhandler
  p_irq3_1:
     restore_ring3_context
     iret
 
p_irq4:
     save_ring3_context
     mov   ax, app_data  ;os_data
     mov   ds, ax
     mov   es, ax
     cmp   [com1_mouse_detected],0
     je    old_irq4_handler
     call  check_mouse_data_com1
     jmp   p_irq4_1
 old_irq4_handler:
     mov   edi,4
     call  irqhandler
  p_irq4_1:
     restore_ring3_context
     iret
 
p_irq12:
     save_ring3_context
     mov   ax, app_data  ;os_data
     mov   ds, ax
     mov   es, ax
     call  check_mouse_data_ps2
     restore_ring3_context
     iret
 
p_irq14:
        save_ring3_context
        mov     ax, app_data  ;os_data
        mov     ds, ax
        mov     es, ax
        call    [irq14_func]
        call    ready_for_next_irq_1
        restore_ring3_context
        iret
p_irq15:
        save_ring3_context
        mov     ax, app_data  ;os_data
        mov     ds, ax
        mov     es, ax
        call    [irq15_func]
        call    ready_for_next_irq_1
        restore_ring3_context
        iret
 
ready_for_next_irq:
     mov    [check_idle_semaphore],5
     mov   al, 0x20
     out   0x20, al
     ret
 
ready_for_next_irq_1:
     mov    [check_idle_semaphore],5
     mov   al, 0x20
     out    0xa0,al
     out   0x20, al
     ret
 
irqD:
     save_ring3_context
     mov   ax, app_data  ;os_data
     mov   ds, ax
     mov   es, ax
 
     mov   dx,0xf0
     mov   al,0
     out   dx,al
 
     mov   dx,0xa0
     mov   al,0x20
     out   dx,al
     mov   dx,0x20
     out   dx,al
 
     restore_ring3_context
 
     iret
 
 
irqhandler:
 
     push   edi
 
     mov    esi,edi          ; 1
     shl    esi,6            ; 1
     add    esi,irq00read    ; 1
     shl    edi,12           ; 1
     add    edi,IRQ_SAVE
     mov    ecx,16
 
     mov    [check_idle_semaphore],5
 
   irqnewread:
     dec    ecx
     js     irqover
 
     mov    dx,[esi]         ; 2+
 
     cmp    dx,0             ; 1
     jz     irqover
     cmp    [esi+3],byte 1   ; 2     ; byte read
     jne    noirqbyte        ; 4-11
 
     in     al,dx
 
     mov    edx,[edi]
     cmp    edx,4000
     je     irqfull
     mov    ebx,edi
     add    ebx,0x10
     add    ebx,edx
     mov    [ebx],al
     inc    edx
     mov    [edi],edx
 
     add    esi,4
     jmp    irqnewread
 
   noirqbyte:
 
 
     cmp    [esi+3],byte 2     ; word read
     jne    noirqword
 
     in     ax,dx
 
     mov    edx,[edi]
     cmp    edx,4000
     je     irqfull
     mov    ebx,edi
     add    ebx,0x10
     add    ebx,edx
     mov    [ebx],ax
     add    edx,2
     mov    [edi],edx
     add    esi,4
     jmp    irqnewread
 
   noirqword:
   irqfull:
   irqover:
 
     mov    al,0x20            ; ready for next irq
     out    0x20,al
 
     pop    ebx
     cmp    ebx,7
     jbe    noa0
     out    0xa0,al
   noa0:
 
     ret
 
 
 
set_application_table_status:
        push eax
 
        mov  eax,[CURRENT_TASK]
        shl  eax, 5
        add  eax,CURRENT_TASK+TASKDATA.pid
        mov  eax,[eax]
 
        mov  [application_table_status],eax
 
        pop  eax
 
        ret
 
 
clear_application_table_status:
        push eax
 
        mov  eax,[CURRENT_TASK]
        shl  eax, 5
        add  eax,CURRENT_TASK+TASKDATA.pid
        mov  eax,[eax]
 
        cmp  eax,[application_table_status]
        jne  apptsl1
        mov  [application_table_status],0
      apptsl1:
 
        pop  eax
 
        ret
 
sys_resize_app_memory:
        ; eax = 1 - resize
        ;     ebx = new amount of memory
 
        cmp    eax,1
        jne    .no_application_mem_resize
 
        stdcall new_mem_resize, ebx
        mov [esp+36], eax
        ret
 
.no_application_mem_resize:
        ret
 
sys_threads:
 
; eax=1 create thread
;
;   ebx=thread start
;   ecx=thread stack value
;
; on return : eax = pid
jmp new_sys_threads
 
iglobal
  process_terminating   db 'K : Process - terminating',13,10,0
  process_terminated    db 'K : Process - done',13,10,0
  msg_obj_destroy       db 'K : destroy app object',13,10,0
endg
 
; param
;  esi= slot
 
terminate: ; terminate application
 
           .slot equ esp   ;locals
 
           push   esi      ;save .slot
 
           shl esi, 8
           cmp [SLOT_BASE+esi+APPDATA.dir_table], 0
           jne @F
           add esp, 4
           ret
@@:
           mov    esi,process_terminating
           call   sys_msg_board_str
@@:
           cli
           cmp   [application_table_status],0
           je    term9
           sti
           call  change_task
           jmp   @b
term9:
           call  set_application_table_status
 
           mov esi, [.slot]
           shl esi,8
           add esi, SLOT_BASE+APP_OBJ_OFFSET
@@:
           mov eax, [esi+APPOBJ.fd]
           test eax, eax
           jz @F
 
           cmp eax, esi
           je @F
 
           push esi
           call [eax+APPOBJ.destroy]
           mov  esi, msg_obj_destroy
           call sys_msg_board_str
           pop esi
           jmp @B
@@:
           mov eax, [.slot]
           shl eax, 8
           mov eax,[SLOT_BASE+eax+APPDATA.dir_table]
           stdcall destroy_app_space, eax
 
           mov esi, [.slot]
           cmp [fpu_owner],esi   ; if user fpu last -> fpu user = 1
           jne @F
 
           mov [fpu_owner],1
           mov eax, [256+SLOT_BASE+APPDATA.fpu_state]
           clts
           bt [cpu_caps], CAPS_SSE
           jnc .no_SSE
           fxrstor [eax]
           jmp @F
.no_SSE:
           fnclex
           frstor [eax]
@@:
 
    mov   [KEY_COUNT],byte 0           ; empty keyboard buffer
    mov   [BTN_COUNT],byte 0           ; empty button buffer
 
 
; remove defined hotkeys
        mov     eax, hotkey_list
.loop:
        cmp     [eax+8], esi
        jnz     .cont
        mov     ecx, [eax]
        jecxz   @f
        push    dword [eax+12]
        pop     dword [ecx+12]
@@:
        mov     ecx, [eax+12]
        push    dword [eax]
        pop     dword [ecx]
        xor     ecx, ecx
        mov     [eax], ecx
        mov     [eax+4], ecx
        mov     [eax+8], ecx
        mov     [eax+12], ecx
.cont:
        add     eax, 16
        cmp     eax, hotkey_list+256*16
        jb      .loop
; remove hotkeys in buffer
        mov     eax, hotkey_buffer
.loop2:
        cmp     [eax], esi
        jnz     .cont2
        and     dword [eax+4], 0
        and     dword [eax], 0
.cont2:
        add     eax, 8
        cmp     eax, hotkey_buffer+120*8
        jb      .loop2
 
    mov   ecx,esi                 ; remove buttons
  bnewba2:
    mov   edi,[BTN_ADDR]
    mov   eax,edi
    cld
    movzx ebx,word [edi]
    inc   bx
  bnewba:
    dec   bx
    jz    bnmba
    add   eax,0x10
    cmp   cx,[eax]
    jnz   bnewba
    pusha
    mov   ecx,ebx
    inc   ecx
    shl   ecx,4
    mov   ebx,eax
    add   eax,0x10
    call  memmove
    dec   dword [edi]
    popa
    jmp   bnewba2
  bnmba:
 
    pusha     ; save window coordinates for window restoring
    cld
    shl   esi,5
    add   esi,window_data
    mov   eax,[esi+WDATA.box.left]
    mov   [dlx],eax
    add   eax,[esi+WDATA.box.width]
    mov   [dlxe],eax
    mov   eax,[esi+WDATA.box.top]
    mov   [dly],eax
    add   eax,[esi+WDATA.box.height]
    mov   [dlye],eax
 
    xor   eax, eax
    mov   [esi+WDATA.box.left],eax
    mov   [esi+WDATA.box.width],eax
    mov   [esi+WDATA.box.top],eax
    mov   [esi+WDATA.box.height],eax
    mov   [esi+WDATA.cl_workarea],eax
    mov   [esi+WDATA.cl_titlebar],eax
    mov   [esi+WDATA.cl_frames],eax
    mov   dword [esi+WDATA.reserved],eax ; clear all flags: wstate, redraw, wdrawn
    lea   edi, [esi-window_data+draw_data]
    mov   ecx,32/4
    rep   stosd
    popa
 
; debuggee test
    pushad
    mov  edi, esi
    shl  edi, 5
    mov  eax, [SLOT_BASE+edi*8+APPDATA.debugger_slot]
    test eax, eax
    jz   .nodebug
    push 8
    pop  ecx
    push dword [CURRENT_TASK+edi+TASKDATA.pid]   ; PID
    push 2
    call debugger_notify
    pop  ecx
    pop  ecx
.nodebug:
    popad
 
           mov ebx, [.slot]
           shl ebx, 8
           mov ebx,[SLOT_BASE+ebx+APPDATA.pl0_stack]
 
           stdcall kernel_free, ebx
 
           mov edi, [.slot]
           shl edi,8
           add edi,SLOT_BASE
 
           mov eax, [edi+APPDATA.io_map]
           cmp eax, (tss._io_map_0-OS_BASE+PG_MAP)
           je @F
           call free_page
@@:
           mov eax, [edi+APPDATA.io_map+4]
           cmp eax, (tss._io_map_1-OS_BASE+PG_MAP)
           je @F
           call free_page
@@:
           mov eax, 0x20202020
           stosd
           stosd
           stosd
           mov ecx,244/4
           xor eax, eax
           rep stosd
 
  ; activate window
        movzx  eax, word [WIN_STACK + esi*2]
        cmp    eax, [TASK_COUNT]
        jne    .dont_activate
        pushad
 .check_next_window:
        dec    eax
        cmp    eax, 1
        jbe    .nothing_to_activate
        lea    esi, [WIN_POS+eax*2]
        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:
 
        push    esi     ; remove hd1 & cd & flp reservation
        shl     esi, 5
        mov     esi, [esi+CURRENT_TASK+TASKDATA.pid]
        cmp     [hd1_status], esi
        jnz     @f
        call    free_hd_channel
        mov     [hd1_status], 0
@@:
        cmp     [cd_status], esi
        jnz     @f
        call    free_cd_channel
        mov     [cd_status], 0
@@:
        cmp     [flp_status], esi
        jnz     @f
        mov     [flp_status], 0
@@:
        pop     esi
 
    pusha ; remove all irq reservations
    mov   eax,esi
    shl   eax, 5
    mov   eax,[eax+CURRENT_TASK+TASKDATA.pid]
    mov   edi,irq_owner
    mov   ecx,16
  newirqfree:
    scasd
    jne   nofreeirq
    mov   [edi-4],dword 0
  nofreeirq:
    loop   newirqfree
    popa
 
    pusha                     ; remove all port reservations
    mov   edx,esi
    shl   edx, 5
    add   edx,CURRENT_TASK
    mov   edx,[edx+TASKDATA.pid]
 
  rmpr0:
 
    mov   esi,[RESERVED_PORTS]
 
    cmp   esi,0
    je    rmpr9
 
  rmpr3:
 
    mov   edi,esi
    shl   edi,4
    add   edi,RESERVED_PORTS
 
    cmp   edx,[edi]
    je    rmpr4
 
    dec   esi
    jnz   rmpr3
 
    jmp   rmpr9
 
  rmpr4:
 
    mov   ecx,256
    sub   ecx,esi
    shl   ecx,4
 
    mov   esi,edi
    add   esi,16
    cld
    rep   movsb
 
    dec   dword [RESERVED_PORTS]
 
    jmp   rmpr0
 
  rmpr9:
 
    popa
    mov  edi,esi         ; do not run this process slot
    shl  edi, 5
    mov  [edi+CURRENT_TASK + TASKDATA.state],byte 9
; debugger test - terminate all debuggees
    mov  eax, 2
    mov  ecx, SLOT_BASE+2*0x100+APPDATA.debugger_slot
.xd0:
    cmp  eax, [TASK_COUNT]
    ja   .xd1
    cmp  dword [ecx], esi
    jnz  @f
    and  dword [ecx], 0
    pushad
    xchg eax, ebx
    mov  eax, 2
    call sys_system
    popad
@@:
    inc  eax
    add  ecx, 0x100
    jmp  .xd0
.xd1:
;    call  systest
    sti  ; .. and life goes on
 
    mov   eax, [dlx]
    mov   ebx, [dly]
    mov   ecx, [dlxe]
    mov   edx, [dlye]
    call  calculatescreen
    xor   eax, eax
    xor   esi, esi
    call  redrawscreen
 
    mov   [MOUSE_BACKGROUND],byte 0  ; no mouse background
    mov   [DONT_DRAW_MOUSE],byte 0  ; draw mouse
 
    mov   [application_table_status],0
    mov   esi,process_terminated
    call  sys_msg_board_str
    add esp, 4
    ret
restore .slot
 
iglobal
  boot_sched_1    db   'Building gdt tss pointer',0
  boot_sched_2    db   'Building IDT table',0
endg
 
 
build_scheduler:
 
        mov    esi,boot_sched_1
        call   boot_log
  ;      call   build_process_gdt_tss_pointer
 
  ;      mov    esi,boot_sched_2
  ;      call   boot_log
 
 
        ret

Rev 434	Rev 465
1	$Revision: 434 $	1	$Revision: 465 $
2	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	2	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3	;; ;;	3	;; ;;
4	;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;	4	;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
5	;; Distributed under terms of the GNU General Public License ;;	5	;; Distributed under terms of the GNU General Public License ;;
6	;; ;;	6	;; ;;
7	;; ;;	7	;; ;;
8	;; MenuetOS process management, protected ring3 ;;	8	;; MenuetOS process management, protected ring3 ;;
9	;; ;;	9	;; ;;
10	;; Distributed under GPL. See file COPYING for details. ;;	10	;; Distributed under GPL. See file COPYING for details. ;;
11	;; Copyright 2003 Ville Turjanmaa ;;	11	;; Copyright 2003 Ville Turjanmaa ;;
12	;; ;;	12	;; ;;
13	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	13	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
14		14
15	align 4	15	align 4
16	idtreg:	16	idtreg:
17	dw 8*0x41-1	17	dw 8*0x41-1
18	dd idts+8	18	dd idts+8
19		-
20	build_process_gdt_tss_pointer:	-
21		-
22	mov ecx,tss_data	-
23	mov edi,0	-
24	setgdtl2:	-
25	mov [edi+gdts+ tss0 +0], word tss_step	-
26	mov [edi+gdts+ tss0 +2], cx	-
27	mov eax,ecx	-
28	shr eax,16	-
29	mov [edi+gdts+ tss0 +4], al	-
30	mov [edi+gdts+ tss0 +7], ah	-
31	mov [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b	-
32	add ecx,tss_step	-
33	add edi,8	-
34	cmp edi,8*(max_processes+5)	-
35	jbe setgdtl2	-
36		-
37	ret	-
38		19
39	build_interrupt_table:	20	build_interrupt_table:
40		21
41	mov edi, idts+8	22	mov edi, idts+8
42	mov esi, sys_int	23	mov esi, sys_int
43	mov ecx, 0x40	24	mov ecx, 0x40
44	@@:	25	@@:
45	lodsd	26	lodsd
46	mov [edi], ax ; lower part of offset	27	mov [edi], ax ; lower part of offset
47	mov [edi+2], word os_code ; segment selector	28	mov [edi+2], word os_code ; segment selector
48	mov ax, word 10001110b shl 8 ; type: interrupt gate	29	mov ax, word 10001110b shl 8 ; type: interrupt gate
49	mov [edi+4], eax	30	mov [edi+4], eax
50	add edi, 8	31	add edi, 8
51	loop @b	32	loop @b
52		33
53	;mov edi,8*0x40+idts+8	34	;mov edi,8*0x40+idts+8
54	mov dword [edi], (i40 and 0xFFFF) or (os_code shl 16)	35	mov dword [edi], (i40 and 0xFFFF) or (os_code shl 16)
55	mov dword [edi+4], (11101111b shl 8) or (i40 and 0xFFFF0000)	36	mov dword [edi+4], (11101111b shl 8) or (i40 and 0xFFFF0000)
56	; type: trap gate	37	; type: trap gate
57	ret	38	ret
58		39
59	iglobal	40	iglobal
60	sys_int:	41	sys_int:
61	dd e0,debug_exc,e2,e3	42	dd e0,debug_exc,e2,e3
62	dd e4,e5,e6,e7	43	dd e4,e5,e6,e7
63	dd e8,e9,e10,e11	44	dd e8,e9,e10,e11
64	dd e12,e13,page_fault_handler,e15	45	dd e12,e13,page_fault_handler,e15
65		46
66	dd except_16, e17,e18, except_19	47	dd except_16, e17,e18, except_19
67	times 12 dd unknown_interrupt	48	times 12 dd unknown_interrupt
68		49
69	dd irq0 , irq_serv.irq_1, p_irq2 , p_irq3 ;irq_serv.irq_3	50	dd irq0 , irq_serv.irq_1, p_irq2 , p_irq3 ;irq_serv.irq_3
70	dd p_irq4 ,irq_serv.irq_5,p_irq6,irq_serv.irq_7	51	dd irq_serv.irq_4 ,irq_serv.irq_5,p_irq6,irq_serv.irq_7
71	dd irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10	52	dd irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10
72	dd irq_serv.irq_11,p_irq12,irqD ,p_irq14,p_irq15	53	dd irq_serv.irq_11,p_irq12,irqD ,p_irq14,p_irq15
73		54
74	times 16 dd unknown_interrupt	55	times 16 dd unknown_interrupt
75		56
76	dd i40	57	dd i40
77	endg	58	endg
78		59
79	macro save_ring3_context	60	macro save_ring3_context
80	{	61	{
81	push ds es	-
82	pushad	62	pushad
83	}	63	}
84	macro restore_ring3_context	64	macro restore_ring3_context
85	{	65	{
86	popad	66	popad
87	pop es ds	-
88	}	67	}
89		68
90	; simply return control to interrupted process	69	; simply return control to interrupted process
91	unknown_interrupt:	70	unknown_interrupt:
92	iret	71	iret
93		72
94	macro exc_wo_code [num]	73	macro exc_wo_code [num]
95	{	74	{
96	forward	75	forward
97	e#num :	76	e#num :
98	save_ring3_context	77	save_ring3_context
99	mov bl, num	78	mov bl, num
100	jmp exc_c	79	jmp exc_c
101	}	80	}
102		81
103	macro exc_w_code [num]	82	macro exc_w_code [num]
104	{	83	{
105	forward	84	forward
106	e#num :	85	e#num :
107	add esp, 4	86	add esp, 4
108	save_ring3_context	87	save_ring3_context
109	mov bl, num	88	mov bl, num
110	jmp exc_c	89	jmp exc_c
111	}	90	}
112		91
113	exc_wo_code 0, 1, 2, 3, 4, 5, 6, 9, 15, 18	92	exc_wo_code 0, 1, 2, 3, 4, 5, 6, 9, 15, 18
114	exc_w_code 8, 10, 11, 12, 13, 14, 17	93	exc_w_code 8, 10, 11, 12, 13, 14, 17
115		94
116	exc_c:	95	exc_c:
117	mov ax, os_data	96	mov ax, app_data ;èñêëþ÷åíèå
118	mov ds, ax	97	mov ds, ax ;çàãðóçèì ïðàâèëüíûå çíà÷åíè
119	mov es, ax	98	mov es, ax ;â ðåãèñòðû
120		99
121	; test if debugging	100	; test if debugging
122	cli	101	cli
123	mov eax, [CURRENT_TASK]	102	mov eax, [current_slot]
124	shl eax, 8	-
125	mov eax, [SLOT_BASE+eax+APPDATA.debugger_slot]	103	mov eax, [eax+APPDATA.debugger_slot]
126	test eax, eax	104	test eax, eax
127	jnz .debug	105	jnz .debug
128	sti	106	sti
129	; not debuggee => say error and terminate	107	; not debuggee => say error and terminate
130	add esp, 28h	108	add esp, 0x20 ;28h
131	movzx eax, bl	109	movzx eax, bl
132	mov [error_interrupt], eax	110	mov [error_interrupt], eax
133	call show_error_parameters	111	call show_error_parameters
134		112
135	mov edx, [TASK_BASE]	113	mov edx, [TASK_BASE]
136	mov [edx + TASKDATA.state], byte 4	114	mov [edx + TASKDATA.state], byte 4
137		115
138	jmp change_task	116	jmp change_task
139		117
140	.debug:	118	.debug:
141	; we are debugged process, notify debugger and suspend ourself	119	; we are debugged process, notify debugger and suspend ourself
142	; eax=debugger PID	120	; eax=debugger PID
143	cld	121	cld
144	movzx ecx, bl	122	movzx ecx, bl
145	push ecx	123	push ecx
146	mov ecx, [TASK_BASE]	124	mov ecx, [TASK_BASE]
147	push dword [ecx+TASKDATA.pid] ; PID of current process	125	push dword [ecx+TASKDATA.pid] ; PID of current process
148	push 12	126	push 12
149	pop ecx	127	pop ecx
150	push 1 ; 1=exception	128	push 1 ; 1=exception
151	call debugger_notify	129	call debugger_notify
152	pop ecx	130	pop ecx
153	pop ecx	131	pop ecx
154	pop ecx	132	pop ecx
155	mov edx, [TASK_BASE]	133	mov edx, [TASK_BASE]
156	mov byte [edx+TASKDATA.state], 1 ; suspended	134	mov byte [edx+TASKDATA.state], 1 ; suspended
157	call change_task	135	call change_task
158	restore_ring3_context	136	restore_ring3_context
159	iretd	137	iretd
160		138
161	writehex:	139	writehex:
162	pusha	140	pusha
163		141
164	mov edi, [write_error_to]	142	mov edi, [write_error_to]
165	mov esi, 8	143	mov esi, 8
166	@@:	144	@@:
167	mov ecx, eax	145	mov ecx, eax
168	and ecx, 0xf	146	and ecx, 0xf
169		147
170	mov cl,[ecx+hexletters]	148	mov cl,[ecx+hexletters]
171	mov [edi],cl	149	mov [edi],cl
172	dec edi	150	dec edi
173		151
174	shr eax,4	152	shr eax,4
175	dec esi	153	dec esi
176	jnz @b	154	jnz @b
177		155
178	popa	156	popa
179	ret	157	ret
180		158
181	iglobal	159	iglobal
182	hexletters db '0123456789ABCDEF'	160	hexletters db '0123456789ABCDEF'
183		161
184	error_interrupt dd -1	162	error_interrupt dd -1
185		163
186	process_error db 'K : Process - forced terminate INT: 00000000',13,10,0	164	process_error db 'K : Process - forced terminate INT: 00000000',13,10,0
187	process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0	165	process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0
188	process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0	166	process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0
189	system_error db 'K : Kernel error',13,10,0	167	system_error db 'K : Kernel error',13,10,0
190	endg	168	endg
191		169
192	uglobal	170	uglobal
193	write_error_to dd 0x0	171	write_error_to dd 0x0
194	endg	172	endg
195		173
196	show_error_parameters:	174	show_error_parameters:
197		175
198	mov [write_error_to],process_pid+43	176	mov [write_error_to],process_pid+43
199	mov eax,[CURRENT_TASK]	177	mov eax,[CURRENT_TASK]
200	shl eax, 5	178	shl eax, 5
201	mov eax,[CURRENT_TASK+TASKDATA.pid+eax]	179	mov eax,[CURRENT_TASK+TASKDATA.pid+eax]
202	call writehex	180	call writehex
203		181
204	mov [write_error_to],process_error+43	182	mov [write_error_to],process_error+43
205	mov eax,[error_interrupt]	183	mov eax,[error_interrupt]
206	call writehex	184	call writehex
207		185
208	cmp dword [esp+4+4], os_code ; CS	186	cmp dword [esp+4+4], os_code ; CS
209	jnz @f	187	jnz @f
210	mov esi,system_error	188	mov esi,system_error
211	call sys_msg_board_str	189	call sys_msg_board_str
212	@@:	190	@@:
213	mov eax, [esp+4] ; EIP	191	mov eax, [esp+4] ; EIP
214		192
215	mov [write_error_to],process_eip+43	193	mov [write_error_to],process_eip+43
216	call writehex	194	call writehex
217		195
218	mov esi,process_error	196	mov esi,process_error
219	call sys_msg_board_str	197	call sys_msg_board_str
220		198
221	mov esi,process_pid	199	mov esi,process_pid
222	call sys_msg_board_str	200	call sys_msg_board_str
223		201
224	mov esi,process_eip	202	mov esi,process_eip
225	call sys_msg_board_str	203	call sys_msg_board_str
226		204
227	ret	205	ret
228		206
229		207
230		208
231	; irq1 -> hid/keyboard.inc	209	; irq1 -> hid/keyboard.inc
232		210
233		211
234	macro irqh [num]	212	macro irqh [num]
235	{	213	{
236	forward	214	forward
237	p_irq#num :	215	p_irq#num :
238	save_ring3_context	216	save_ring3_context
239	mov edi, num	217	mov edi, num
240	jmp irq_c	218	jmp irq_c
241	}	219	}
242		220
243	irqh 2,5,7,8,9,10,11	221	irqh 2,5,7,8,9,10,11
244		222
245	irq_c:	223	irq_c:
246	mov ax, os_data	224	mov ax, app_data ;os_data
247	mov ds, ax	225	mov ds, ax
248	mov es, ax	226	mov es, ax
249	call irqhandler	227	call irqhandler
250	restore_ring3_context	228	restore_ring3_context
251	iret	229	iret
252		230
253	p_irq6:	231	p_irq6:
254	save_ring3_context	232	save_ring3_context
255	mov ax, os_data	233	mov ax, app_data ;os_data
256	mov ds, ax	234	mov ds, ax
257	mov es, ax	235	mov es, ax
258	call fdc_irq	236	call fdc_irq
259	call ready_for_next_irq	237	call ready_for_next_irq
260	restore_ring3_context	238	restore_ring3_context
261	iret	239	iret
262		240
263	p_irq3:	241	p_irq3:
264	save_ring3_context	242	save_ring3_context
265	mov ax, os_data	243	mov ax, app_data ;os_data
266	mov ds, ax	244	mov ds, ax
267	mov es, ax	245	mov es, ax
268	cmp [com2_mouse_detected],0	246	cmp [com2_mouse_detected],0
269	je old_irq3_handler	247	je old_irq3_handler
270	call check_mouse_data_com2	248	call check_mouse_data_com2
271	jmp p_irq3_1	249	jmp p_irq3_1
272	old_irq3_handler:	250	old_irq3_handler:
273	mov edi,3	251	mov edi,3
274	call irqhandler	252	call irqhandler
275	p_irq3_1:	253	p_irq3_1:
276	restore_ring3_context	254	restore_ring3_context
277	iret	255	iret
278		256
279	p_irq4:	257	p_irq4:
280	save_ring3_context	258	save_ring3_context
281	mov ax, os_data	259	mov ax, app_data ;os_data
282	mov ds, ax	260	mov ds, ax
283	mov es, ax	261	mov es, ax
284	cmp [com1_mouse_detected],0	262	cmp [com1_mouse_detected],0
285	je old_irq4_handler	263	je old_irq4_handler
286	call check_mouse_data_com1	264	call check_mouse_data_com1
287	jmp p_irq4_1	265	jmp p_irq4_1
288	old_irq4_handler:	266	old_irq4_handler:
289	mov edi,4	267	mov edi,4
290	call irqhandler	268	call irqhandler
291	p_irq4_1:	269	p_irq4_1:
292	restore_ring3_context	270	restore_ring3_context
293	iret	271	iret
294		272
295	p_irq12:	273	p_irq12:
296	save_ring3_context	274	save_ring3_context
297	mov ax, os_data	275	mov ax, app_data ;os_data
298	mov ds, ax	276	mov ds, ax
299	mov es, ax	277	mov es, ax
300	call check_mouse_data_ps2	278	call check_mouse_data_ps2
301	restore_ring3_context	279	restore_ring3_context
302	iret	280	iret
303		281
304	p_irq14:	282	p_irq14:
305	save_ring3_context	283	save_ring3_context
306	mov ax, os_data	284	mov ax, app_data ;os_data
307	mov ds, ax	285	mov ds, ax
308	mov es, ax	286	mov es, ax
309	call [irq14_func]	287	call [irq14_func]
310	call ready_for_next_irq_1	288	call ready_for_next_irq_1
311	restore_ring3_context	289	restore_ring3_context
312	iret	290	iret
313	p_irq15:	291	p_irq15:
314	save_ring3_context	292	save_ring3_context
315	mov ax, os_data	293	mov ax, app_data ;os_data
316	mov ds, ax	294	mov ds, ax
317	mov es, ax	295	mov es, ax
318	call [irq15_func]	296	call [irq15_func]
319	call ready_for_next_irq_1	297	call ready_for_next_irq_1
320	restore_ring3_context	298	restore_ring3_context
321	iret	299	iret
322		300
323	ready_for_next_irq:	301	ready_for_next_irq:
324	mov [check_idle_semaphore],5	302	mov [check_idle_semaphore],5
325	mov al, 0x20	303	mov al, 0x20
326	out 0x20, al	304	out 0x20, al
327	ret	305	ret
328		306
329	ready_for_next_irq_1:	307	ready_for_next_irq_1:
330	mov [check_idle_semaphore],5	308	mov [check_idle_semaphore],5
331	mov al, 0x20	309	mov al, 0x20
332	out 0xa0,al	310	out 0xa0,al
333	out 0x20, al	311	out 0x20, al
334	ret	312	ret
335		313
336	irqD:	314	irqD:
337	save_ring3_context	315	save_ring3_context
338	mov ax, os_data	316	mov ax, app_data ;os_data
339	mov ds, ax	317	mov ds, ax
340	mov es, ax	318	mov es, ax
341		319
342	mov dx,0xf0	320	mov dx,0xf0
343	mov al,0	321	mov al,0
344	out dx,al	322	out dx,al
345		323
346	mov dx,0xa0	324	mov dx,0xa0
347	mov al,0x20	325	mov al,0x20
348	out dx,al	326	out dx,al
349	mov dx,0x20	327	mov dx,0x20
350	out dx,al	328	out dx,al
351		329
352	restore_ring3_context	330	restore_ring3_context
353		331
354	iret	332	iret
355		333
356		334
357	irqhandler:	335	irqhandler:
358		336
359	push edi	337	push edi
360		338
361	mov esi,edi ; 1	339	mov esi,edi ; 1
362	shl esi,6 ; 1	340	shl esi,6 ; 1
363	add esi,irq00read ; 1	341	add esi,irq00read ; 1
364	shl edi,12 ; 1	342	shl edi,12 ; 1
365	add edi,IRQ_SAVE	343	add edi,IRQ_SAVE
366	mov ecx,16	344	mov ecx,16
367		345
368	mov [check_idle_semaphore],5	346	mov [check_idle_semaphore],5
369		347
370	irqnewread:	348	irqnewread:
371	dec ecx	349	dec ecx
372	js irqover	350	js irqover
373		351
374	mov dx,[esi] ; 2+	352	mov dx,[esi] ; 2+
375		353
376	cmp dx,0 ; 1	354	cmp dx,0 ; 1
377	jz irqover	355	jz irqover
378	cmp [esi+3],byte 1 ; 2 ; byte read	356	cmp [esi+3],byte 1 ; 2 ; byte read
379	jne noirqbyte ; 4-11	357	jne noirqbyte ; 4-11
380		358
381	in al,dx	359	in al,dx
382		360
383	mov edx,[edi]	361	mov edx,[edi]
384	cmp edx,4000	362	cmp edx,4000
385	je irqfull	363	je irqfull
386	mov ebx,edi	364	mov ebx,edi
387	add ebx,0x10	365	add ebx,0x10
388	add ebx,edx	366	add ebx,edx
389	mov [ebx],al	367	mov [ebx],al
390	inc edx	368	inc edx
391	mov [edi],edx	369	mov [edi],edx
392		370
393	add esi,4	371	add esi,4
394	jmp irqnewread	372	jmp irqnewread
395		373
396	noirqbyte:	374	noirqbyte:
397		375
398		376
399	cmp [esi+3],byte 2 ; word read	377	cmp [esi+3],byte 2 ; word read
400	jne noirqword	378	jne noirqword
401		379
402	in ax,dx	380	in ax,dx
403		381
404	mov edx,[edi]	382	mov edx,[edi]
405	cmp edx,4000	383	cmp edx,4000
406	je irqfull	384	je irqfull
407	mov ebx,edi	385	mov ebx,edi
408	add ebx,0x10	386	add ebx,0x10
409	add ebx,edx	387	add ebx,edx
410	mov [ebx],ax	388	mov [ebx],ax
411	add edx,2	389	add edx,2
412	mov [edi],edx	390	mov [edi],edx
413	add esi,4	391	add esi,4
414	jmp irqnewread	392	jmp irqnewread
415		393
416	noirqword:	394	noirqword:
417	irqfull:	395	irqfull:
418	irqover:	396	irqover:
419		397
420	mov al,0x20 ; ready for next irq	398	mov al,0x20 ; ready for next irq
421	out 0x20,al	399	out 0x20,al
422		400
423	pop ebx	401	pop ebx
424	cmp ebx,7	402	cmp ebx,7
425	jbe noa0	403	jbe noa0
426	out 0xa0,al	404	out 0xa0,al
427	noa0:	405	noa0:
428		406
429	ret	407	ret
430		408
431		409
432		410
433	set_application_table_status:	411	set_application_table_status:
434	push eax	412	push eax
435		413
436	mov eax,[CURRENT_TASK]	414	mov eax,[CURRENT_TASK]
437	shl eax, 5	415	shl eax, 5
438	add eax,CURRENT_TASK+TASKDATA.pid	416	add eax,CURRENT_TASK+TASKDATA.pid
439	mov eax,[eax]	417	mov eax,[eax]
440		418
441	mov [application_table_status],eax	419	mov [application_table_status],eax
442		420
443	pop eax	421	pop eax
444		422
445	ret	423	ret
446		424
447		425
448	clear_application_table_status:	426	clear_application_table_status:
449	push eax	427	push eax
450		428
451	mov eax,[CURRENT_TASK]	429	mov eax,[CURRENT_TASK]
452	shl eax, 5	430	shl eax, 5
453	add eax,CURRENT_TASK+TASKDATA.pid	431	add eax,CURRENT_TASK+TASKDATA.pid
454	mov eax,[eax]	432	mov eax,[eax]
455		433
456	cmp eax,[application_table_status]	434	cmp eax,[application_table_status]
457	jne apptsl1	435	jne apptsl1
458	mov [application_table_status],0	436	mov [application_table_status],0
459	apptsl1:	437	apptsl1:
460		438
461	pop eax	439	pop eax
462		440
463	ret	441	ret
464		442
465	sys_resize_app_memory:	443	sys_resize_app_memory:
466	; eax = 1 - resize	444	; eax = 1 - resize
467	; ebx = new amount of memory	445	; ebx = new amount of memory
468		446
469	cmp eax,1	447	cmp eax,1
470	jne .no_application_mem_resize	448	jne .no_application_mem_resize
471		449
472	stdcall new_mem_resize, ebx	450	stdcall new_mem_resize, ebx
473	mov [esp+36], eax	451	mov [esp+36], eax
474	ret	452	ret
475		453
476	.no_application_mem_resize:	454	.no_application_mem_resize:
477	ret	455	ret
478		456
479	sys_threads:	457	sys_threads:
480		458
481	; eax=1 create thread	459	; eax=1 create thread
482	;	460	;
483	; ebx=thread start	461	; ebx=thread start
484	; ecx=thread stack value	462	; ecx=thread stack value
485	;	463	;
486	; on return : eax = pid	464	; on return : eax = pid
487	jmp new_sys_threads	465	jmp new_sys_threads
488		466
489	iglobal	467	iglobal
490	process_terminating db 'K : Process - terminating',13,10,0	468	process_terminating db 'K : Process - terminating',13,10,0
491	process_terminated db 'K : Process - done',13,10,0	469	process_terminated db 'K : Process - done',13,10,0
492	msg_obj_destroy db 'K : destroy app object',13,10,0	470	msg_obj_destroy db 'K : destroy app object',13,10,0
493	endg	471	endg
494		472
495	; param	473	; param
496	; esi= slot	474	; esi= slot
497		475
498	terminate: ; terminate application	476	terminate: ; terminate application
499		477
500	.slot equ esp ;locals	478	.slot equ esp ;locals

Subversion Repositories Kolibri OS

(root)/kernel/trunk/core/sys32.inc – Rev 434 → 465