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



;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

 
idtreg:
     dw   8*0x41-1
 

     dd   idts+8

 
build_process_gdt_tss_pointer:

 
; test if debugging
        cli
        mov   eax, [CURRENT_TASK]
        shl   eax, 8
        mov   eax, [SLOT_BASE+eax+APPDATA.debugger_slot]
        test  eax, eax
        jnz   .debug
        sti
; not debuggee => say error and terminate

           .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

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

           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

 
; 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

.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, 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

    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

Rev 379	Rev 380
Line 8...	Line 8...
8	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	8	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 9...	Line 9...
9		9
10	idtreg:	10	idtreg:
11	dw 8*0x41-1	11	dw 8*0x41-1
12	dd idts+8	-
Line 13...	Line 12...
13	;label idts at 0xB100-8	12	dd idts+8
Line 14...	Line 13...
14		13
15	build_process_gdt_tss_pointer:	14	build_process_gdt_tss_pointer:
Line 120...	Line 119...
120		119
121	; test if debugging	120	; test if debugging
122	cli	121	cli
123	mov eax, [CURRENT_TASK]	122	mov eax, [CURRENT_TASK]
124	shl eax, 8	123	shl eax, 8
125	mov eax, [0x80000+eax+APPDATA.debugger_slot]	124	mov eax, [SLOT_BASE+eax+APPDATA.debugger_slot]
126	test eax, eax	125	test eax, eax
127	jnz .debug	126	jnz .debug
128	sti	127	sti
129	; not debuggee => say error and terminate	128	; not debuggee => say error and terminate
Line 580...	Line 579...
580	.slot equ esp ;locals	579	.slot equ esp ;locals
Line 581...	Line 580...
581		580
Line 582...	Line 581...
582	push esi ;save .slot	581	push esi ;save .slot
583		582
584	shl esi, 8	583	shl esi, 8
585	cmp [PROC_BASE+esi+APPDATA.dir_table], 0	584	cmp [SLOT_BASE+esi+APPDATA.dir_table], 0
586	jne @F	585	jne @F
587	add esp, 4	586	add esp, 4
588	ret	587	ret
Line 599...	Line 598...
599	term9:	598	term9:
600	call set_application_table_status	599	call set_application_table_status
Line 601...	Line 600...
601		600
602	mov esi, [.slot]	601	mov esi, [.slot]
603	shl esi,8	602	shl esi,8
604	add esi, PROC_BASE+APP_OBJ_OFFSET	603	add esi, SLOT_BASE+APP_OBJ_OFFSET
605	@@:	604	@@:
606	mov eax, [esi+APPOBJ.fd]	605	mov eax, [esi+APPOBJ.fd]
607	test eax, eax	606	test eax, eax
Line 617...	Line 616...
617	pop esi	616	pop esi
618	jmp @B	617	jmp @B
619	@@:	618	@@:
620	mov eax, [.slot]	619	mov eax, [.slot]
621	shl eax, 8	620	shl eax, 8
622	mov eax,[PROC_BASE+eax+APPDATA.dir_table]	621	mov eax,[SLOT_BASE+eax+APPDATA.dir_table]
623	stdcall destroy_app_space, eax	622	stdcall destroy_app_space, eax
Line 624...	Line 623...
624		623
625	mov esi, [.slot]	624	mov esi, [.slot]
626	cmp [fpu_owner],esi ; if user fpu last -> fpu user = 1	625	cmp [fpu_owner],esi ; if user fpu last -> fpu user = 1
Line 627...	Line 626...
627	jne @F	626	jne @F
628		627
629	mov [fpu_owner],1	628	mov [fpu_owner],1
630	mov eax, [256+PROC_BASE+APPDATA.fpu_state]	629	mov eax, [256+SLOT_BASE+APPDATA.fpu_state]
631	clts	630	clts
632	bt [cpu_caps], CAPS_SSE	631	bt [cpu_caps], CAPS_SSE
633	jnc .no_SSE	632	jnc .no_SSE
Line 730...	Line 729...
730		729
731	; debuggee test	730	; debuggee test
732	pushad	731	pushad
733	mov edi, esi	732	mov edi, esi
734	shl edi, 5	733	shl edi, 5
735	mov eax, [0x80000+edi*8+APPDATA.debugger_slot]	734	mov eax, [SLOT_BASE+edi*8+APPDATA.debugger_slot]
736	test eax, eax	735	test eax, eax
737	jz .nodebug	736	jz .nodebug
738	push 8	737	push 8
739	pop ecx	738	pop ecx
Line 745...	Line 744...
745	.nodebug:	744	.nodebug:
746	popad	745	popad
Line 747...	Line 746...
747		746
748	mov ebx, [.slot]	747	mov ebx, [.slot]
749	shl ebx, 8	748	shl ebx, 8
Line 750...	Line 749...
750	mov ebx,[PROC_BASE+ebx+APPDATA.pl0_stack]	749	mov ebx,[SLOT_BASE+ebx+APPDATA.pl0_stack]
Line 751...	Line 750...
751		750
752	stdcall kernel_free, ebx	751	stdcall kernel_free, ebx
753		752
754	mov edi, [.slot]	753	mov edi, [.slot]
755	shl edi,8	754	shl edi,8
756	add edi,0x80000	755	add edi,SLOT_BASE
757	mov eax, 0x20202020	756	mov eax, 0x20202020
758	stosd	757	stosd
759	stosd	758	stosd
760	stosd	759	stosd
Line 761...	Line 760...
761	mov ecx,244/4	760	mov ecx,244/4
762	xor eax, eax	761	xor eax, eax
763	rep stosd	762	rep stosd
764		763
765	; activate window	764	; activate window
766	movzx eax, word [0xC000 + esi*2]	765	movzx eax, word [WIN_STACK + esi*2]
767	cmp eax, [TASK_COUNT]	766	cmp eax, [TASK_COUNT]
768	jne .dont_activate	767	jne .dont_activate
769	pushad	768	pushad
770	.check_next_window:	769	.check_next_window:
771	dec eax	770	dec eax
772	cmp eax, 1	771	cmp eax, 1
773	jbe .nothing_to_activate	772	jbe .nothing_to_activate
774	lea esi, [0xc400+eax*2]	773	lea esi, [WIN_POS+eax*2]
775	movzx edi, word [esi] ; edi = process	774	movzx edi, word [esi] ; edi = process
Line 868...	Line 867...
868	mov edi,esi ; do not run this process slot	867	mov edi,esi ; do not run this process slot
869	shl edi, 5	868	shl edi, 5
870	mov [edi+CURRENT_TASK + TASKDATA.state],byte 9	869	mov [edi+CURRENT_TASK + TASKDATA.state],byte 9
871	; debugger test - terminate all debuggees	870	; debugger test - terminate all debuggees
872	mov eax, 2	871	mov eax, 2
873	mov ecx, 0x80000+2*0x100+APPDATA.debugger_slot	872	mov ecx, SLOT_BASE+2*0x100+APPDATA.debugger_slot
874	.xd0:	873	.xd0:
875	cmp eax, [TASK_COUNT]	874	cmp eax, [TASK_COUNT]
876	ja .xd1	875	ja .xd1
877	cmp dword [ecx], esi	876	cmp dword [ecx], esi
878	jnz @f	877	jnz @f

Subversion Repositories Kolibri OS

(root)/kernel/trunk/core/sys32.inc – Rev 379 → 380