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


$Revision: 479 $
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                              ;;
;; 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   p_irq4 ,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,irq_serv.irq_12,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
     mov   esi, com2_mouse
     mov   dx, 2F8h     ;[COMPortBaseAddr]
     call  check_mouse_data_com
     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
     mov   esi, com1_mouse
     mov   dx, 3F8h     ;[COMPortBaseAddr]
     call  check_mouse_data_com
     jmp   p_irq4_1
 old_irq4_handler:
     mov   edi,4
     call  irqhandler
  p_irq4_1:
     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 473	Rev 479
1	$Revision: 473 $	1	$Revision: 479 $
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		19
20	build_interrupt_table:	20	build_interrupt_table:
21		21
22	mov edi, idts+8	22	mov edi, idts+8
23	mov esi, sys_int	23	mov esi, sys_int
24	mov ecx, 0x40	24	mov ecx, 0x40
25	@@:	25	@@:
26	lodsd	26	lodsd
27	mov [edi], ax ; lower part of offset	27	mov [edi], ax ; lower part of offset
28	mov [edi+2], word os_code ; segment selector	28	mov [edi+2], word os_code ; segment selector
29	mov ax, word 10001110b shl 8 ; type: interrupt gate	29	mov ax, word 10001110b shl 8 ; type: interrupt gate
30	mov [edi+4], eax	30	mov [edi+4], eax
31	add edi, 8	31	add edi, 8
32	loop @b	32	loop @b
33		33
34	;mov edi,8*0x40+idts+8	34	;mov edi,8*0x40+idts+8
35	mov dword [edi], (i40 and 0xFFFF) or (os_code shl 16)	35	mov dword [edi], (i40 and 0xFFFF) or (os_code shl 16)
36	mov dword [edi+4], (11101111b shl 8) or (i40 and 0xFFFF0000)	36	mov dword [edi+4], (11101111b shl 8) or (i40 and 0xFFFF0000)
37	; type: trap gate	37	; type: trap gate
38	ret	38	ret
39		39
40	iglobal	40	iglobal
41	sys_int:	41	sys_int:
42	dd e0,debug_exc,e2,e3	42	dd e0,debug_exc,e2,e3
43	dd e4,e5,e6,e7	43	dd e4,e5,e6,e7
44	dd e8,e9,e10,e11	44	dd e8,e9,e10,e11
45	dd e12,e13,page_fault_handler,e15	45	dd e12,e13,page_fault_handler,e15
46		46
47	dd except_16, e17,e18, except_19	47	dd except_16, e17,e18, except_19
48	times 12 dd unknown_interrupt	48	times 12 dd unknown_interrupt
49		49
50	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
51	dd p_irq4 ,irq_serv.irq_5,p_irq6,irq_serv.irq_7	51	dd p_irq4 ,irq_serv.irq_5,p_irq6,irq_serv.irq_7
52	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
53	dd irq_serv.irq_11,p_irq12,irqD ,p_irq14,p_irq15	53	dd irq_serv.irq_11,irq_serv.irq_12,irqD ,p_irq14,p_irq15
54		54
55	times 16 dd unknown_interrupt	55	times 16 dd unknown_interrupt
56		56
57	dd i40	57	dd i40
58	endg	58	endg
59		59
60	macro save_ring3_context	60	macro save_ring3_context
61	{	61	{
62	pushad	62	pushad
63	}	63	}
64	macro restore_ring3_context	64	macro restore_ring3_context
65	{	65	{
66	popad	66	popad
67	}	67	}
68		68
69	; simply return control to interrupted process	69	; simply return control to interrupted process
70	unknown_interrupt:	70	unknown_interrupt:
71	iret	71	iret
72		72
73	macro exc_wo_code [num]	73	macro exc_wo_code [num]
74	{	74	{
75	forward	75	forward
76	e#num :	76	e#num :
77	save_ring3_context	77	save_ring3_context
78	mov bl, num	78	mov bl, num
79	jmp exc_c	79	jmp exc_c
80	}	80	}
81		81
82	macro exc_w_code [num]	82	macro exc_w_code [num]
83	{	83	{
84	forward	84	forward
85	e#num :	85	e#num :
86	add esp, 4	86	add esp, 4
87	save_ring3_context	87	save_ring3_context
88	mov bl, num	88	mov bl, num
89	jmp exc_c	89	jmp exc_c
90	}	90	}
91		91
92	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
93	exc_w_code 8, 10, 11, 12, 13, 14, 17	93	exc_w_code 8, 10, 11, 12, 13, 14, 17
94		94
95	exc_c:	95	exc_c:
96	mov ax, app_data ;èñêëþ÷åíèå	96	mov ax, app_data ;èñêëþ÷åíèå
97	mov ds, ax ;çàãðóçèì ïðàâèëüíûå çíà÷åíè	97	mov ds, ax ;çàãðóçèì ïðàâèëüíûå çíà÷åíè
98	mov es, ax ;â ðåãèñòðû	98	mov es, ax ;â ðåãèñòðû
99		99
100	; test if debugging	100	; test if debugging
101	cli	101	cli
102	mov eax, [current_slot]	102	mov eax, [current_slot]
103	mov eax, [eax+APPDATA.debugger_slot]	103	mov eax, [eax+APPDATA.debugger_slot]
104	test eax, eax	104	test eax, eax
105	jnz .debug	105	jnz .debug
106	sti	106	sti
107	; not debuggee => say error and terminate	107	; not debuggee => say error and terminate
108	add esp, 0x20 ;28h	108	add esp, 0x20 ;28h
109	movzx eax, bl	109	movzx eax, bl
110	mov [error_interrupt], eax	110	mov [error_interrupt], eax
111	call show_error_parameters	111	call show_error_parameters
112		112
113	mov edx, [TASK_BASE]	113	mov edx, [TASK_BASE]
114	mov [edx + TASKDATA.state], byte 4	114	mov [edx + TASKDATA.state], byte 4
115		115
116	jmp change_task	116	jmp change_task
117		117
118	.debug:	118	.debug:
119	; we are debugged process, notify debugger and suspend ourself	119	; we are debugged process, notify debugger and suspend ourself
120	; eax=debugger PID	120	; eax=debugger PID
121	cld	121	cld
122	movzx ecx, bl	122	movzx ecx, bl
123	push ecx	123	push ecx
124	mov ecx, [TASK_BASE]	124	mov ecx, [TASK_BASE]
125	push dword [ecx+TASKDATA.pid] ; PID of current process	125	push dword [ecx+TASKDATA.pid] ; PID of current process
126	push 12	126	push 12
127	pop ecx	127	pop ecx
128	push 1 ; 1=exception	128	push 1 ; 1=exception
129	call debugger_notify	129	call debugger_notify
130	pop ecx	130	pop ecx
131	pop ecx	131	pop ecx
132	pop ecx	132	pop ecx
133	mov edx, [TASK_BASE]	133	mov edx, [TASK_BASE]
134	mov byte [edx+TASKDATA.state], 1 ; suspended	134	mov byte [edx+TASKDATA.state], 1 ; suspended
135	call change_task	135	call change_task
136	restore_ring3_context	136	restore_ring3_context
137	iretd	137	iretd
138		138
139	writehex:	139	writehex:
140	pusha	140	pusha
141		141
142	mov edi, [write_error_to]	142	mov edi, [write_error_to]
143	mov esi, 8	143	mov esi, 8
144	@@:	144	@@:
145	mov ecx, eax	145	mov ecx, eax
146	and ecx, 0xf	146	and ecx, 0xf
147		147
148	mov cl,[ecx+hexletters]	148	mov cl,[ecx+hexletters]
149	mov [edi],cl	149	mov [edi],cl
150	dec edi	150	dec edi
151		151
152	shr eax,4	152	shr eax,4
153	dec esi	153	dec esi
154	jnz @b	154	jnz @b
155		155
156	popa	156	popa
157	ret	157	ret
158		158
159	iglobal	159	iglobal
160	hexletters db '0123456789ABCDEF'	160	hexletters db '0123456789ABCDEF'
161		161
162	error_interrupt dd -1	162	error_interrupt dd -1
163		163
164	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
165	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
166	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
167	system_error db 'K : Kernel error',13,10,0	167	system_error db 'K : Kernel error',13,10,0
168	endg	168	endg
169		169
170	uglobal	170	uglobal
171	write_error_to dd 0x0	171	write_error_to dd 0x0
172	endg	172	endg
173		173
174	show_error_parameters:	174	show_error_parameters:
175		175
176	mov [write_error_to],process_pid+43	176	mov [write_error_to],process_pid+43
177	mov eax,[CURRENT_TASK]	177	mov eax,[CURRENT_TASK]
178	shl eax, 5	178	shl eax, 5
179	mov eax,[CURRENT_TASK+TASKDATA.pid+eax]	179	mov eax,[CURRENT_TASK+TASKDATA.pid+eax]
180	call writehex	180	call writehex
181		181
182	mov [write_error_to],process_error+43	182	mov [write_error_to],process_error+43
183	mov eax,[error_interrupt]	183	mov eax,[error_interrupt]
184	call writehex	184	call writehex
185		185
186	cmp dword [esp+4+4], os_code ; CS	186	cmp dword [esp+4+4], os_code ; CS
187	jnz @f	187	jnz @f
188	mov esi,system_error	188	mov esi,system_error
189	call sys_msg_board_str	189	call sys_msg_board_str
190	@@:	190	@@:
191	mov eax, [esp+4] ; EIP	191	mov eax, [esp+4] ; EIP
192		192
193	mov [write_error_to],process_eip+43	193	mov [write_error_to],process_eip+43
194	call writehex	194	call writehex
195		195
196	mov esi,process_error	196	mov esi,process_error
197	call sys_msg_board_str	197	call sys_msg_board_str
198		198
199	mov esi,process_pid	199	mov esi,process_pid
200	call sys_msg_board_str	200	call sys_msg_board_str
201		201
202	mov esi,process_eip	202	mov esi,process_eip
203	call sys_msg_board_str	203	call sys_msg_board_str
204		204
205	ret	205	ret
206		206
207		207
208		208
209	; irq1 -> hid/keyboard.inc	209	; irq1 -> hid/keyboard.inc
210		210
211		211
212	macro irqh [num]	212	macro irqh [num]
213	{	213	{
214	forward	214	forward
215	p_irq#num :	215	p_irq#num :
216	save_ring3_context	216	save_ring3_context
217	mov edi, num	217	mov edi, num
218	jmp irq_c	218	jmp irq_c
219	}	219	}
220		220
221	irqh 2,5,7,8,9,10,11	221	irqh 2,5,7,8,9,10,11
222		222
223	irq_c:	223	irq_c:
224	mov ax, app_data ;os_data	224	mov ax, app_data ;os_data
225	mov ds, ax	225	mov ds, ax
226	mov es, ax	226	mov es, ax
227	call irqhandler	227	call irqhandler
228	restore_ring3_context	228	restore_ring3_context
229	iret	229	iret
230		230
231	p_irq6:	231	p_irq6:
232	save_ring3_context	232	save_ring3_context
233	mov ax, app_data ;os_data	233	mov ax, app_data ;os_data
234	mov ds, ax	234	mov ds, ax
235	mov es, ax	235	mov es, ax
236	call fdc_irq	236	call fdc_irq
237	call ready_for_next_irq	237	call ready_for_next_irq
238	restore_ring3_context	238	restore_ring3_context
239	iret	239	iret
240		240
241	p_irq3:	241	p_irq3:
242	save_ring3_context	242	save_ring3_context
243	mov ax, app_data ;os_data	243	mov ax, app_data ;os_data
244	mov ds, ax	244	mov ds, ax
245	mov es, ax	245	mov es, ax
246	cmp [com2_mouse_detected],0	246	cmp [com2_mouse_detected],0
247	je old_irq3_handler	247	je old_irq3_handler
248	mov esi, com2_mouse	248	mov esi, com2_mouse
249	mov dx, 2F8h ;[COMPortBaseAddr]	249	mov dx, 2F8h ;[COMPortBaseAddr]
250	call check_mouse_data_com	250	call check_mouse_data_com
251	jmp p_irq3_1	251	jmp p_irq3_1
252	old_irq3_handler:	252	old_irq3_handler:
253	mov edi,3	253	mov edi,3
254	call irqhandler	254	call irqhandler
255	p_irq3_1:	255	p_irq3_1:
256	restore_ring3_context	256	restore_ring3_context
257	iret	257	iret
258		258
259	p_irq4:	259	p_irq4:
260	save_ring3_context	260	save_ring3_context
261	mov ax, app_data ;os_data	261	mov ax, app_data ;os_data
262	mov ds, ax	262	mov ds, ax
263	mov es, ax	263	mov es, ax
264	cmp [com1_mouse_detected],0	264	cmp [com1_mouse_detected],0
265	je old_irq4_handler	265	je old_irq4_handler
266	mov esi, com1_mouse	266	mov esi, com1_mouse
267	mov dx, 3F8h ;[COMPortBaseAddr]	267	mov dx, 3F8h ;[COMPortBaseAddr]
268	call check_mouse_data_com	268	call check_mouse_data_com
269	jmp p_irq4_1	269	jmp p_irq4_1
270	old_irq4_handler:	270	old_irq4_handler:
271	mov edi,4	271	mov edi,4
272	call irqhandler	272	call irqhandler
273	p_irq4_1:	273	p_irq4_1:
274	restore_ring3_context	274	restore_ring3_context
275	iret	-
276		-
277	p_irq12:	-
278	save_ring3_context	-
279	mov ax, app_data ;os_data	-
280	mov ds, ax	-
281	mov es, ax	-
282	call check_mouse_data_ps2	-
283	restore_ring3_context	-
284	iret	275	iret
285		276
286	p_irq14:	277	p_irq14:
287	save_ring3_context	278	save_ring3_context
288	mov ax, app_data ;os_data	279	mov ax, app_data ;os_data
289	mov ds, ax	280	mov ds, ax
290	mov es, ax	281	mov es, ax
291	call [irq14_func]	282	call [irq14_func]
292	call ready_for_next_irq_1	283	call ready_for_next_irq_1
293	restore_ring3_context	284	restore_ring3_context
294	iret	285	iret
295	p_irq15:	286	p_irq15:
296	save_ring3_context	287	save_ring3_context
297	mov ax, app_data ;os_data	288	mov ax, app_data ;os_data
298	mov ds, ax	289	mov ds, ax
299	mov es, ax	290	mov es, ax
300	call [irq15_func]	291	call [irq15_func]
301	call ready_for_next_irq_1	292	call ready_for_next_irq_1
302	restore_ring3_context	293	restore_ring3_context
303	iret	294	iret
304		295
305	ready_for_next_irq:	296	ready_for_next_irq:
306	mov [check_idle_semaphore],5	297	mov [check_idle_semaphore],5
307	mov al, 0x20	298	mov al, 0x20
308	out 0x20, al	299	out 0x20, al
309	ret	300	ret
310		301
311	ready_for_next_irq_1:	302	ready_for_next_irq_1:
312	mov [check_idle_semaphore],5	303	mov [check_idle_semaphore],5
313	mov al, 0x20	304	mov al, 0x20
314	out 0xa0,al	305	out 0xa0,al
315	out 0x20, al	306	out 0x20, al
316	ret	307	ret
317		308
318	irqD:	309	irqD:
319	save_ring3_context	310	save_ring3_context
320	mov ax, app_data ;os_data	311	mov ax, app_data ;os_data
321	mov ds, ax	312	mov ds, ax
322	mov es, ax	313	mov es, ax
323		314
324	mov dx,0xf0	315	mov dx,0xf0
325	mov al,0	316	mov al,0
326	out dx,al	317	out dx,al
327		318
328	mov dx,0xa0	319	mov dx,0xa0
329	mov al,0x20	320	mov al,0x20
330	out dx,al	321	out dx,al
331	mov dx,0x20	322	mov dx,0x20
332	out dx,al	323	out dx,al
333		324
334	restore_ring3_context	325	restore_ring3_context
335		326
336	iret	327	iret
337		328
338		329
339	irqhandler:	330	irqhandler:
340		331
341	push edi	332	push edi
342		333
343	mov esi,edi ; 1	334	mov esi,edi ; 1
344	shl esi,6 ; 1	335	shl esi,6 ; 1
345	add esi,irq00read ; 1	336	add esi,irq00read ; 1
346	shl edi,12 ; 1	337	shl edi,12 ; 1
347	add edi,IRQ_SAVE	338	add edi,IRQ_SAVE
348	mov ecx,16	339	mov ecx,16
349		340
350	mov [check_idle_semaphore],5	341	mov [check_idle_semaphore],5
351		342
352	irqnewread:	343	irqnewread:
353	dec ecx	344	dec ecx
354	js irqover	345	js irqover
355		346
356	mov dx,[esi] ; 2+	347	mov dx,[esi] ; 2+
357		348
358	cmp dx,0 ; 1	349	cmp dx,0 ; 1
359	jz irqover	350	jz irqover
360	cmp [esi+3],byte 1 ; 2 ; byte read	351	cmp [esi+3],byte 1 ; 2 ; byte read
361	jne noirqbyte ; 4-11	352	jne noirqbyte ; 4-11
362		353
363	in al,dx	354	in al,dx
364		355
365	mov edx,[edi]	356	mov edx,[edi]
366	cmp edx,4000	357	cmp edx,4000
367	je irqfull	358	je irqfull
368	mov ebx,edi	359	mov ebx,edi
369	add ebx,0x10	360	add ebx,0x10
370	add ebx,edx	361	add ebx,edx
371	mov [ebx],al	362	mov [ebx],al
372	inc edx	363	inc edx
373	mov [edi],edx	364	mov [edi],edx
374		365
375	add esi,4	366	add esi,4
376	jmp irqnewread	367	jmp irqnewread
377		368
378	noirqbyte:	369	noirqbyte:
379		370
380		371
381	cmp [esi+3],byte 2 ; word read	372	cmp [esi+3],byte 2 ; word read
382	jne noirqword	373	jne noirqword
383		374
384	in ax,dx	375	in ax,dx
385		376
386	mov edx,[edi]	377	mov edx,[edi]
387	cmp edx,4000	378	cmp edx,4000
388	je irqfull	379	je irqfull
389	mov ebx,edi	380	mov ebx,edi
390	add ebx,0x10	381	add ebx,0x10
391	add ebx,edx	382	add ebx,edx
392	mov [ebx],ax	383	mov [ebx],ax
393	add edx,2	384	add edx,2
394	mov [edi],edx	385	mov [edi],edx
395	add esi,4	386	add esi,4
396	jmp irqnewread	387	jmp irqnewread
397		388
398	noirqword:	389	noirqword:
399	irqfull:	390	irqfull:
400	irqover:	391	irqover:
401		392
402	mov al,0x20 ; ready for next irq	393	mov al,0x20 ; ready for next irq
403	out 0x20,al	394	out 0x20,al
404		395
405	pop ebx	396	pop ebx
406	cmp ebx,7	397	cmp ebx,7
407	jbe noa0	398	jbe noa0
408	out 0xa0,al	399	out 0xa0,al
409	noa0:	400	noa0:
410		401
411	ret	402	ret
412		403
413		404
414		405
415	set_application_table_status:	406	set_application_table_status:
416	push eax	407	push eax
417		408
418	mov eax,[CURRENT_TASK]	409	mov eax,[CURRENT_TASK]
419	shl eax, 5	410	shl eax, 5
420	add eax,CURRENT_TASK+TASKDATA.pid	411	add eax,CURRENT_TASK+TASKDATA.pid
421	mov eax,[eax]	412	mov eax,[eax]
422		413
423	mov [application_table_status],eax	414	mov [application_table_status],eax
424		415
425	pop eax	416	pop eax
426		417
427	ret	418	ret
428		419
429		420
430	clear_application_table_status:	421	clear_application_table_status:
431	push eax	422	push eax
432		423
433	mov eax,[CURRENT_TASK]	424	mov eax,[CURRENT_TASK]
434	shl eax, 5	425	shl eax, 5
435	add eax,CURRENT_TASK+TASKDATA.pid	426	add eax,CURRENT_TASK+TASKDATA.pid
436	mov eax,[eax]	427	mov eax,[eax]
437		428
438	cmp eax,[application_table_status]	429	cmp eax,[application_table_status]
439	jne apptsl1	430	jne apptsl1
440	mov [application_table_status],0	431	mov [application_table_status],0
441	apptsl1:	432	apptsl1:
442		433
443	pop eax	434	pop eax
444		435
445	ret	436	ret
446		437
447	sys_resize_app_memory:	438	sys_resize_app_memory:
448	; eax = 1 - resize	439	; eax = 1 - resize
449	; ebx = new amount of memory	440	; ebx = new amount of memory
450		441
451	cmp eax,1	442	cmp eax,1
452	jne .no_application_mem_resize	443	jne .no_application_mem_resize
453		444
454	stdcall new_mem_resize, ebx	445	stdcall new_mem_resize, ebx
455	mov [esp+36], eax	446	mov [esp+36], eax
456	ret	447	ret
457		448
458	.no_application_mem_resize:	449	.no_application_mem_resize:
459	ret	450	ret
460		451
461	sys_threads:	452	sys_threads:
462		453
463	; eax=1 create thread	454	; eax=1 create thread
464	;	455	;
465	; ebx=thread start	456	; ebx=thread start
466	; ecx=thread stack value	457	; ecx=thread stack value
467	;	458	;
468	; on return : eax = pid	459	; on return : eax = pid
469	jmp new_sys_threads	460	jmp new_sys_threads
470		461
471	iglobal	462	iglobal
472	process_terminating db 'K : Process - terminating',13,10,0	463	process_terminating db 'K : Process - terminating',13,10,0
473	process_terminated db 'K : Process - done',13,10,0	464	process_terminated db 'K : Process - done',13,10,0
474	msg_obj_destroy db 'K : destroy app object',13,10,0	465	msg_obj_destroy db 'K : destroy app object',13,10,0
475	endg	466	endg
476		467
477	; param	468	; param
478	; esi= slot	469	; esi= slot
479		470
480	terminate: ; terminate application	471	terminate: ; terminate application
481		472
482	.slot equ esp ;locals	473	.slot equ esp ;locals
483		474
484	push esi ;save .slot	475	push esi ;save .slot
485		476
486	shl esi, 8	477	shl esi, 8
487	cmp [SLOT_BASE+esi+APPDATA.dir_table], 0	478	cmp [SLOT_BASE+esi+APPDATA.dir_table], 0
488	jne @F	479	jne @F
489	add esp, 4	480	add esp, 4
490	ret	481	ret
491	@@:	482	@@:
492	mov esi,process_terminating	483	mov esi,process_terminating
493	call sys_msg_board_str	484	call sys_msg_board_str
494	@@:	485	@@:
495	cli	486	cli
496	cmp [application_table_status],0	487	cmp [application_table_status],0
497	je term9	488	je term9
498	sti	489	sti
499	call change_task	490	call change_task
500	jmp @b	491	jmp @b

Subversion Repositories Kolibri OS

(root)/kernel/trunk/core/sys32.inc @ 473 – Rev 473 → 479