| 61,7 → 61,7 |
|---|
| 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 |
| dw 0 ;просто выравнивание |
| |
| 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 |
| 109,19 → 109,19 |
|---|
| pf_err_code dd ? |
| endg |
| |
| page_fault_exc: ; äóðàêîóñòî÷èâîñòü: ñåëåêòîðû èñïîð÷åíû... |
| pop [ss:pf_err_code]; äåéñòâèòåëüíî äî ñëåäóþùåãî #PF |
| page_fault_exc: ; дуракоусточивость: селекторы испорчены... |
| pop [ss:pf_err_code]; действительно до следующего #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) |
| exc_c: ; исключения (все, кроме 7-го - #NM) |
| ; Фрэйм стека при исключении/прерывании из 3-го кольца + pushad (т.е., именно здесь) |
| 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 |
| ; это фрэйм от pushad |
| reg_eax equ esp+0x1C |
| reg_ecx equ esp+0x18 |
| reg_edx equ esp+0x14 |
| 131,10 → 131,10 |
|---|
| reg_esi equ esp+0x04 |
| reg_edi equ esp+0x00 |
| |
| mov ax, app_data ;èñêëþ÷åíèå |
| mov ds, ax ;çàãðóçèì ïðàâèëüíûå çíà÷åíèÿ |
| mov es, ax ;â ðåãèñòðû |
| cld ; è ïðèâîäèì DF ê ñòàíäàðòó |
| mov ax, app_data ;исключение |
| mov ds, ax ;загрузим правильные значения |
| mov es, ax ;в регистры |
| cld ; и приводим DF к стандарту |
| movzx ebx, bl |
| ; redirect to V86 manager? (EFLAGS & 0x20000) != 0? |
| test byte[reg_eflags+2], 2 |
| 159,6 → 159,7 |
|---|
| call show_error_parameters ;; only ONE using, inline ??? |
| ;mov edx, [TASK_BASE] |
| mov [edx + TASKDATA.state], byte 4 ; terminate |
| call wakeup_osloop |
| 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 |
| 261,8 → 262,10 |
|---|
| |
| |
| align 4 |
| set_application_table_status: |
| push eax |
| lock_application_table: |
| push eax ecx edx |
| mov ecx, application_table_mutex |
| call mutex_lock |
| |
| mov eax, [CURRENT_TASK] |
| shl eax, 5 |
| 269,37 → 272,30 |
|---|
| add eax, CURRENT_TASK+TASKDATA.pid |
| mov eax, [eax] |
| |
| mov [application_table_status], eax |
| mov [application_table_owner], eax |
| |
| pop eax |
| pop edx ecx eax |
| |
| ret |
| |
| align 4 |
| clear_application_table_status: |
| push eax |
| unlock_application_table: |
| push eax ecx edx |
| |
| mov eax, [CURRENT_TASK] |
| shl eax, 5 |
| add eax, CURRENT_TASK+TASKDATA.pid |
| mov eax, [eax] |
| mov [application_table_owner], 0 |
| mov ecx, application_table_mutex |
| call mutex_unlock |
| |
| cmp eax, [application_table_status] |
| jne apptsl1 |
| xor eax, eax |
| mov [application_table_status], eax |
| apptsl1: |
| pop edx ecx eax |
| |
| 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 |
| ; * eax = 64 - номер функции |
| ; * ebx = 1 - единственная подфункция |
| ; * ecx = новый размер памяти |
| ;Возвращаемое значение: |
| ; * eax = 0 - успешно |
| ; * eax = 1 - недостаточно памяти |
| |
| align 4 |
| sys_resize_app_memory: |
| 338,17 → 334,11 |
|---|
| mov [CURRENT_TASK+esi+TASKDATA.state], 9 |
| ret |
| @@: |
| lea edx, [SLOT_BASE+esi] |
| call scheduler_remove_thread |
| ;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 |
| call lock_application_table |
| |
| ; if the process is in V86 mode... |
| mov eax, [.slot] |
| 391,11 → 381,11 |
|---|
| 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 |
| cmp [fpu_owner], esi ; if user fpu last -> fpu user = 2 |
| jne @F |
| |
| mov [fpu_owner], 1 |
| mov eax, [256+SLOT_BASE+APPDATA.fpu_state] |
| mov [fpu_owner], 2 |
| mov eax, [256*2+SLOT_BASE+APPDATA.fpu_state] |
| clts |
| bt [cpu_caps], CAPS_SSE |
| jnc .no_SSE |
| 685,10 → 675,7 |
|---|
| 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 |
| call unlock_application_table |
| ;mov esi,process_terminated |
| ;call sys_msg_board_str |
| add esp, 4 |
| 695,17 → 682,6 |
|---|
| ret |
| restore .slot |
| |
| ;iglobal |
| ;if lang eq ru |
| ; boot_sched_1 db '®§¤ ¨¥ GDT TSS 㪠§ ⥫ï',0 |
| ; boot_sched_2 db '®§¤ ¨¥ IDT â ¡«¨æë',0 |
| ;else |
| ; boot_sched_1 db 'Building gdt tss pointer',0 |
| ; boot_sched_2 db 'Building IDT table',0 |
| ;end if |
| ;endg |
| |
| |
| ;build_scheduler: |
| ; mov esi, boot_sched_1 |
| ; call boot_log |