| 13,15 → 13,13 |
|---|
| |
| $Revision$ |
| |
| |
| align 4 |
| idtreg: |
| dw 8*0x41-1 |
| dd idts+8 |
| _init_idt: |
| push edi |
| push esi |
| mov edi, idts |
| mov dword [idtreg+2], edi |
| |
| build_interrupt_table: |
| |
| mov edi, idts+8 |
| mov esi, sys_int |
| mov ecx, 0x40 |
| @@: |
| 33,17 → 31,29 |
|---|
| add edi, 8 |
| loop @b |
| |
| ;mov edi,8*0x40+idts+8 |
| mov dword [edi], (i40 and 0xFFFF) or (os_code shl 16) |
| mov dword [edi+4], (11101111b shl 8) or (i40 and 0xFFFF0000) |
| ; type: trap gate |
| mov eax, i40 |
| mov ecx, i40 |
| and eax, 0x0000FFFF |
| and ecx, 0xFFFF0000 |
| or eax, os_code shl 16 |
| or ecx, (11101111b shl 8) |
| mov [edi], eax |
| mov [edi+4], ecx |
| |
| lidt [idtreg] |
| pop esi |
| pop edi |
| ret |
| |
| |
| |
| iglobal |
| |
| msg_sel_ker db "kernel", 0 |
| msg_sel_app db "application", 0 |
| |
| align 4 |
| |
| sys_int: |
| dd e0,debug_exc,e2,e3 |
| dd e4,e5,e6,e7 |
| 66,6 → 76,11 |
|---|
| times 16 dd unknown_interrupt |
| |
| dd i40 |
| |
| idtreg: |
| dw 8*0x41-1 |
| dd idts |
| |
| endg |
| |
| macro save_ring3_context |