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Rev 1056 Rev 1074
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;;  Distributed under GPL. See file COPYING for details.        ;;
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;;  Distributed under GPL. See file COPYING for details.        ;;
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;;  Copyright 2003 Ville Turjanmaa                              ;;
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;;  Copyright 2003 Ville Turjanmaa                              ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 1056 $
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$Revision: 1074 $
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  reg_edi       equ esp+0x00
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  reg_edi       equ esp+0x00
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        Mov     ds,ax,app_data  ; çàãðóçèì ïðàâèëüíûå çíà÷åíèÿ
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        Mov     ds,ax,app_data  ; çàãðóçèì ïðàâèëüíûå çíà÷åíèÿ
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        mov     es,ax           ; â ñåãìåíòíûå ðåãèñòðû
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        mov     es,ax           ; â ñåãìåíòíûå ðåãèñòðû
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        cld                     ; è ïðèâîäèì DF ê ñòàíäàðòó
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        cld                     ; è ïðèâîäèì DF ê ñòàíäàðòó
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        movzx   ebx,bl
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; redirect to V86 manager? (EFLAGS & 0x20000) != 0?
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; redirect to V86 manager? (EFLAGS & 0x20000) != 0?
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        test    byte[reg_eflags+2],2
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        test    byte[reg_eflags+2],2
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        jnz     v86_exc_c
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        jnz     v86_exc_c
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        cmp     bl,14           ; #PF
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        cmp     bl,14           ; #PF
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        jne     .l0
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        jne     @f
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        call    page_fault_handler
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        call    page_fault_handler
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  .l0:  mov     esi, [current_slot]
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  @@:   mov     esi, [current_slot]
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        mov     eax,[esi+APPDATA.fpu_handler]
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        cmp     bl,16           ; #MF
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        je      .l1
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        cmp     bl,19           ; #XF
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        btr     [esi+APPDATA.except_mask], ebx
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        jne     .l2
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        jnc     @f
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        mov     eax,[esi+APPDATA.sse_handler]
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        mov     eax,[esi+APPDATA.exc_handler]
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  .l1:  test    eax, eax
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        test    eax, eax
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        jnz     IRetToUserHook
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        jnz     IRetToUserHook
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  .l2:  cli
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  @@:   cli
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        mov     eax, [esi+APPDATA.debugger_slot]
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        mov     eax, [esi+APPDATA.debugger_slot]
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        test    eax, eax
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        test    eax, eax
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        jnz     .debug
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        jnz     .debug
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        sti
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        sti
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.debug:
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.debug:
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; we are debugged process, notify debugger and suspend ourself
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; we are debugged process, notify debugger and suspend ourself
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; eax=debugger PID
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; eax=debugger PID
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        cmp     bl,1            ; #DB
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        cmp     bl,1            ; #DB
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        je      debug_ex
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        je      debug_ex
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        movzx   edx, bl         ; debug_message data=Number_Of_Exception
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        mov     edx, ebx        ; debug_message data=Number_Of_Exception
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        mov     ecx,1           ; debug_message code=other_exception
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        mov     ecx,1           ; debug_message code=other_exception
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        jmp     debug_ex.notify ; notify debugger and suspend ourself
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        jmp     debug_ex.notify ; notify debugger and suspend ourself
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IRetToUserHook:
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IRetToUserHook:
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        xchg    eax, [reg_eip]
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        xchg    eax, [reg_eip]
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        sub     dword[reg_esp3], 4
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        sub     dword[reg_esp3], 8
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        mov     edi, [reg_esp3]
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        mov     edi, [reg_esp3]
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        stosd
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        stosd
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        mov     [edi], ebx
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        restore_ring3_context
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        restore_ring3_context
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unknown_interrupt:
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unknown_interrupt:
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        iretd
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        iretd
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        cmp     bl, 0x08
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        cmp     bl, 0x08
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        jb      .l0
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        jb      .l0
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        cmp     bl, 0x0e
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        cmp     bl, 0x0e
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        jbe     .l1
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        jbe     .l1
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  .l0:  mov     bl, 0x09
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  .l0:  mov     bl, 0x09
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  .l1:  movzx   eax,bl
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        mov     eax,[msg_fault_sel+eax*4 - 0x08*4]
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  .l1:  mov     eax,[msg_fault_sel+ebx*4 - 0x08*4]
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        DEBUGF  1, "K : %s\n", eax
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        DEBUGF  1, "K : %s\n", eax
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        mov     eax, [reg_cs3+4]
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        mov     eax, [reg_cs3+4]
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        mov     edi, msg_sel_app
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        mov     edi, msg_sel_app
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        mov     ebx, [reg_esp3+4]
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        mov     ebx, [reg_esp3+4]
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        cmp     eax, app_code
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        cmp     eax, app_code