| 0,0 → 1,834 |
|---|
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2004-2008. 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 ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| $Revision$ |
| |
| |
| align 4 ;3A08 |
| build_interrupt_table: |
| mov edi, idts |
| mov esi, sys_int |
| mov ecx, 0x40 |
| mov eax, (10001110b shl 24) + os_code |
| @@: movsw ;low word of code-entry |
| stosd ;interrupt gate type : os_code selector |
| movsw ;high word of code-entry |
| loop @b |
| movsd ;copy low dword of trap gate for int 0x40 |
| movsd ;copy high dword of trap gate for int 0x40 |
| lidt [esi] |
| ret |
| |
| iglobal |
| align 4 |
| sys_int: |
| ;exception handlers addresses (for interrupt gate construction) |
| dd e0,e1,e2,e3,e4,e5,e6,except_7 ; SEE: core/fpu.inc |
| dd e8,e9,e10,e11,e12,e13,page_fault_exc,e15 |
| dd e16, e17,e18, e19 |
| times 12 dd unknown_interrupt ;int_20..int_31 |
| |
| ;interrupt handlers addresses (for interrupt gate construction) |
| dd irq0, irq_serv.irq_1, irq_serv.irq_2 |
| if USE_COM_IRQ |
| dd irq_serv.irq_3, irq_serv.irq_4 |
| else |
| dd p_irq3, p_irq4 ;??? íåñòûêîâêà |
| end if |
| dd 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 ;int_0x30..int_0x3F |
| |
| ;int_0x40 gate trap (for directly copied) |
| dw i40 and 0xFFFF, os_code, 11101111b shl 8, i40 shr 16 |
| |
| idtreg: ; data for LIDT instruction (!!! must be immediately below sys_int data) |
| dw 2*($-sys_int-4)-1 |
| dd idts ;0x8000B100 |
| dw 0 ;ïðîñòî âûðàâíèâàíèå |
| |
| msg_fault_sel dd msg_exc_8,msg_exc_u,msg_exc_a,msg_exc_b |
| dd msg_exc_c,msg_exc_d,msg_exc_e |
| |
| msg_exc_8 db "Double fault", 0 |
| msg_exc_u db "Undefined Exception", 0 |
| msg_exc_a db "Invalid TSS", 0 |
| msg_exc_b db "Segment not present", 0 |
| msg_exc_c db "Stack fault", 0 |
| msg_exc_d db "General protection fault", 0 |
| msg_exc_e db "Page fault", 0 |
| |
| msg_sel_ker db "kernel", 0 |
| msg_sel_app db "application", 0 |
| |
| endg |
| |
| macro save_ring3_context { |
| pushad |
| } |
| macro restore_ring3_context { |
| popad |
| } |
| macro exc_wo_code [num] { |
| e#num : |
| save_ring3_context |
| mov bl, num |
| jmp exc_c |
| } exc_wo_code 0,1,2,3,4,5,6,15,16,19 |
| |
| macro exc_w_code [num] { |
| e#num : |
| add esp, 4 |
| save_ring3_context |
| mov bl, num |
| jmp exc_c |
| } exc_w_code 8,9,10,11,12,13,17,18 |
| |
| |
| uglobal |
| pf_err_code dd ? |
| endg |
| |
| page_fault_exc: ; äóðàêîóñòî÷èâîñòü: ñåëåêòîðû èñïîð÷åíû... |
| pop [ss:pf_err_code]; äåéñòâèòåëüíî äî ñëåäóþùåãî #PF |
| save_ring3_context |
| mov bl,14 |
| |
| exc_c: ; èñêëþ÷åíèÿ (âñå, êðîìå 7-ãî - #NM) |
| ; Ôðýéì ñòåêà ïðè èñêëþ÷åíèè/ïðåðûâàíèè èç 3-ãî êîëüöà + pushad (ò.å., èìåííî çäåñü) |
| 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 |
| 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 es,ax ; â ñåãìåíòíûå ðåãèñòðû |
| cld ; è ïðèâîäèì DF ê ñòàíäàðòó |
| movzx ebx,bl |
| ; redirect to V86 manager? (EFLAGS & 0x20000) != 0? |
| test byte[reg_eflags+2],2 |
| jnz v86_exc_c |
| cmp bl,14 ; #PF |
| jne @f |
| call page_fault_handler ; SEE: core/memory.inc |
| @@: mov esi, [current_slot] |
| btr [esi+APPDATA.except_mask], ebx |
| jnc @f |
| mov eax,[esi+APPDATA.exc_handler] |
| test eax, eax |
| jnz IRetToUserHook |
| @@: cli |
| mov eax, [esi+APPDATA.debugger_slot] |
| test eax, eax |
| jnz .debug |
| sti |
| ; not debuggee => say error and terminate |
| call show_error_parameters ;; only ONE using, inline ??? |
| ;mov edx, [TASK_BASE] |
| mov [edx + TASKDATA.state], byte 4 ; terminate |
| jmp change_task ; stack - here it does not matter at all, SEE: core/shed.inc |
| .debug: |
| ; we are debugged process, notify debugger and suspend ourself |
| ; eax=debugger PID |
| mov ecx,1 ; debug_message code=other_exception |
| cmp bl,1 ; #DB |
| jne .notify ; notify debugger and suspend ourself |
| mov ebx, dr6 ; debug_message data=DR6_image |
| xor edx, edx |
| mov dr6, edx |
| mov edx, dr7 |
| mov cl, not 8 |
| .l1: shl dl,2 |
| jc @f |
| and bl, cl |
| @@: sar cl,1 |
| jc .l1 |
| mov cl, 3 ; debug_message code=debug_exception |
| .notify: |
| push ebx ; debug_message data |
| mov ebx, [TASK_BASE] |
| push [ebx+TASKDATA.pid] ; PID |
| push ecx ; debug_message code ((here: ecx==1/3)) |
| mov cl, 12 ; debug_message size |
| call debugger_notify ;; only ONE using, inline ??? SEE: core/debug.inc |
| add esp,12 |
| mov edx, [TASK_BASE] |
| mov byte [edx+TASKDATA.state], 1 ; suspended |
| call change_task ; SEE: core/shed.inc |
| restore_ring3_context |
| iretd |
| |
| IRetToUserHook: |
| xchg eax, [reg_eip] |
| sub dword[reg_esp3], 8 |
| mov edi, [reg_esp3] |
| stosd |
| mov [edi], ebx |
| restore_ring3_context |
| unknown_interrupt: |
| iretd |
| |
| ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
| show_error_parameters: |
| mov edx,[TASK_BASE] ;not scratched below |
| DEBUGF 1, "K : Process - forced terminate PID: %x\n", [edx+TASKDATA.pid] |
| cmp bl, 0x08 |
| jb .l0 |
| cmp bl, 0x0e |
| jbe .l1 |
| .l0: mov bl, 0x09 |
| .l1: mov eax,[msg_fault_sel+ebx*4 - 0x08*4] |
| DEBUGF 1, "K : %s\n", eax |
| mov eax, [reg_cs3+4] |
| mov edi, msg_sel_app |
| mov ebx, [reg_esp3+4] |
| cmp eax, app_code |
| je @f |
| mov edi, msg_sel_ker |
| mov ebx, [reg_esp0+4] |
| @@: DEBUGF 1, "K : EAX : %x EBX : %x ECX : %x\n", [reg_eax+4], [reg_ebx+4], [reg_ecx+4] |
| DEBUGF 1, "K : EDX : %x ESI : %x EDI : %x\n", [reg_edx+4], [reg_esi+4], [reg_edi+4] |
| DEBUGF 1, "K : EBP : %x EIP : %x ESP : %x\n", [reg_ebp+4], [reg_eip+4], ebx |
| DEBUGF 1, "K : Flags : %x CS : %x (%s)\n", [reg_eflags+4], eax, edi |
| ret |
| ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
| |
| restore reg_ss |
| restore reg_esp3 |
| restore reg_eflags |
| restore reg_cs |
| restore reg_eip |
| restore reg_eax |
| restore reg_ecx |
| restore reg_edx |
| restore reg_ebx |
| restore reg_esp0 |
| restore reg_ebp |
| restore reg_esi |
| restore reg_edi |
| |
| ; irq1 -> hid/keyboard.inc |
| macro irqh [num] { |
| p_irq#num : |
| mov edi, num |
| jmp irqhandler |
| } |
| |
| |
| |
| p_irq6: |
| save_ring3_context |
| mov ax, app_data ;os_data |
| mov ds, ax |
| mov es, ax |
| mov edi, 6 |
| cmp [v86_irqhooks+edi*8], 0 |
| jnz v86_irq2 |
| call fdc_irq |
| call ready_for_next_irq |
| restore_ring3_context |
| iret |
| |
| |
| p_irq14: |
| save_ring3_context |
| mov ax, app_data ;os_data |
| 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: |
| save_ring3_context |
| mov ax, app_data ;os_data |
| 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 |
| add eax,(0x20-0x5) |
| |
| out 0x20, al |
| ret |
| ;destroy eax |
| ready_for_next_irq_1: |
| mov eax,5 |
| mov [check_idle_semaphore],eax |
| ; mov al, 0x20 |
| add eax,(0x20-0x5) |
| out 0xa0,al |
| out 0x20, al |
| ret |
| |
| irqD: |
| push eax |
| xor eax,eax |
| out 0xf0,al |
| mov al,0x20 |
| out 0xa0,al |
| out 0x20,al |
| pop eax |
| iret |
| |
| |
| irqh 2,3,4,5,7,8,9,10,11 |
| |
| irqhandler: |
| |
| mov esi,edi ; 1 |
| shl esi,6 ; 1 |
| add esi,irq00read ; 1 |
| shl edi,12 ; 1 |
| add edi,IRQ_SAVE |
| mov ecx,16 |
| |
| irqnewread: |
| dec ecx |
| js irqover |
| |
| movzx edx, word [esi] ; 2+ |
| |
| test edx, edx ; 1 |
| jz irqover |
| |
| |
| mov ebx, [edi] ; address of begin of buffer in edi ; + 0x0 dword - data size |
| mov eax, 4000 ; + 0x4 dword - data begin offset |
| cmp ebx, eax |
| je irqfull |
| add ebx, [edi + 0x4] ; add data size to data begin offset |
| cmp ebx, eax ; if end of buffer, begin cycle again |
| jb @f |
| |
| xor ebx, ebx |
| |
| @@: |
| add ebx, edi |
| movzx eax, byte[esi + 3] ; get type of data being received 1 - byte, 2 - word |
| dec eax |
| jz irqbyte |
| dec eax |
| jnz noirqword |
| |
| in ax,dx |
| cmp ebx, 3999 ; check for address odd in the end of buffer |
| jne .odd |
| mov [ebx + 0x10], ax |
| jmp .add_size |
| .odd: |
| mov [ebx + 0x10], al ; I could make mistake here :) |
| mov [edi + 0x10], ah |
| .add_size: |
| add dword [edi], 2 |
| jmp nextport |
| |
| |
| irqbyte: |
| in al,dx |
| mov [ebx + 0x10],al |
| inc dword [edi] |
| nextport: |
| add esi,4 |
| jmp irqnewread |
| |
| |
| noirqword: |
| irqfull: |
| irqover: |
| |
| 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 |
| xor eax,eax |
| mov [application_table_status],eax |
| apptsl1: |
| |
| pop eax |
| |
| ret |
| |
| ; * eax = 64 - íîìåð ôóíêöèè |
| ; * ebx = 1 - åäèíñòâåííàÿ ïîäôóíêöèÿ |
| ; * ecx = íîâûé ðàçìåð ïàìÿòè |
| ;Âîçâðàùàåìîå çíà÷åíèå: |
| ; * eax = 0 - óñïåøíî |
| ; * eax = 1 - íåäîñòàòî÷íî ïàìÿòè |
| |
| sys_resize_app_memory: |
| ; ebx = 1 - resize |
| ; ecx = new amount of memory |
| |
| ; cmp eax,1 |
| dec ebx |
| jnz .no_application_mem_resize |
| stdcall new_mem_resize, ecx |
| mov [esp+32], eax |
| .no_application_mem_resize: |
| ret |
| |
| 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 |
| 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 |
| jmp @b |
| term9: |
| call set_application_table_status |
| |
| ; if the process is in V86 mode... |
| mov eax, [.slot] |
| shl eax, 8 |
| mov esi, [eax+SLOT_BASE+APPDATA.pl0_stack] |
| add esi, RING0_STACK_SIZE |
| cmp [eax+SLOT_BASE+APPDATA.saved_esp0], esi |
| jz .nov86 |
| ; ...it has page directory for V86 mode |
| mov esi, [eax+SLOT_BASE+APPDATA.saved_esp0] |
| mov ecx, [esi+4] |
| mov [eax+SLOT_BASE+APPDATA.dir_table], ecx |
| ; ...and I/O permission map for V86 mode |
| mov ecx, [esi+12] |
| mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
| mov ecx, [esi+8] |
| mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
| .nov86: |
| |
| 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] |
| DEBUGF 1,"%s",msg_obj_destroy |
| pop esi |
| jmp @B |
| @@: |
| |
| mov eax, [.slot] |
| shl eax, 8 |
| stdcall destroy_app_space, [SLOT_BASE+eax+APPDATA.dir_table], [SLOT_BASE+eax+APPDATA.dlls_list_ptr] |
| |
| 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 [draw_limits.left],eax |
| add eax,[esi+WDATA.box.width] |
| mov [draw_limits.right],eax |
| mov eax,[esi+WDATA.box.top] |
| mov [draw_limits.top],eax |
| add eax,[esi+WDATA.box.height] |
| mov [draw_limits.bottom],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 |
| push ebx |
| mov ebx,[SLOT_BASE+ebx+APPDATA.pl0_stack] |
| |
| stdcall kernel_free, ebx |
| |
| pop ebx |
| mov ebx,[SLOT_BASE+ebx+APPDATA.cur_dir] |
| stdcall kernel_free, ebx |
| |
| mov edi, [.slot] |
| shl edi,8 |
| add edi,SLOT_BASE |
| |
| mov eax, [edi+APPDATA.io_map] |
| cmp eax, [SLOT_BASE+256+APPDATA.io_map] |
| je @F |
| call free_page |
| @@: |
| mov eax, [edi+APPDATA.io_map+4] |
| cmp eax, [SLOT_BASE+256+APPDATA.io_map+4] |
| 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 |
| and [hd1_status], 0 |
| @@: |
| cmp [cd_status], esi |
| jnz @f |
| call free_cd_channel |
| and [cd_status], 0 |
| @@: |
| cmp [flp_status], esi |
| jnz @f |
| and [flp_status], 0 |
| @@: |
| pop esi |
| cmp [bgrlockpid], esi |
| jnz @f |
| and [bgrlockpid], 0 |
| and [bgrlock], 0 |
| @@: |
| |
| pusha ; remove all irq reservations |
| mov eax,esi |
| shl eax, 5 |
| mov eax,[eax+CURRENT_TASK+TASKDATA.pid] |
| mov edi,irq_owner |
| xor ebx, ebx |
| xor edx, edx |
| newirqfree: |
| cmp [edi + 4 * ebx], eax |
| jne nofreeirq |
| mov [edi + 4 * ebx], edx ; remove irq reservation |
| mov [irq_tab + 4 * ebx], edx ; remove irq handler |
| mov [irq_rights + 4 * ebx], edx ; set access rights to full access |
| nofreeirq: |
| inc ebx |
| cmp ebx, 16 |
| jb 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] |
| |
| test esi,esi |
| jz 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, ecx |
| mov ebx, 2 |
| call sys_system |
| popad |
| @@: |
| 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 ecx, [draw_limits.right] |
| mov edx, [draw_limits.bottom] |
| 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 |
| |
| and [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 |
| Property changes: |
|---|
| Added: svn:keywords |
|---|
| +Revision |
|---|
| \ No newline at end of property |
|---|