| 33,7 → 33,7 |
|---|
| align 4 |
| sys_int: |
| ;exception handlers addresses (for interrupt gate construction) |
| dd e0,e1,e2,e3,e4,e5,e6,except_7 |
| 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 |
| 53,7 → 53,7 |
|---|
| ;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) |
| 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 |
| 130,7 → 130,7 |
|---|
| jnz v86_exc_c |
| cmp bl,14 ; #PF |
| jne @f |
| call page_fault_handler |
| call page_fault_handler ; SEE: core/memory.inc |
| @@: mov esi, [current_slot] |
| btr [esi+APPDATA.except_mask], ebx |
| jnc @f |
| 146,15 → 146,37 |
|---|
| 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 |
| 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 |
| je debug_ex |
| mov edx, ebx ; debug_message data=Number_Of_Exception |
| mov ecx,1 ; debug_message code=other_exception |
| jmp debug_ex.notify ; notify debugger and suspend ourself |
| 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] |