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Rev 3534 Rev 3539
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;;  Distributed under GPL. See file COPYING for details.        ;;
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;;  Distributed under GPL. See file COPYING for details.        ;;
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;;  Copyright 2003 Ville Turjanmaa                              ;;
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;;  Copyright 2003 Ville Turjanmaa                              ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 3534 $
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$Revision: 3539 $
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align 4 ;3A08
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align 4 ;3A08
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build_interrupt_table:
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build_interrupt_table:
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        dw      i40 and 0xFFFF, os_code, 11101111b shl 8, i40 shr 16
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        dw      i40 and 0xFFFF, os_code, 11101111b shl 8, i40 shr 16
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  idtreg: ; data for LIDT instruction (!!! must be immediately below sys_int data)
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  idtreg: ; data for LIDT instruction (!!! must be immediately below sys_int data)
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        dw      2*($-sys_int-4)-1
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        dw      2*($-sys_int-4)-1
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        dd      idts ;0x8000B100
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        dd      idts ;0x8000B100
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        dw      0    ;ïðîñòî âûðàâíèâàíèå
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        dw      0    ;просто выравнивание
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  msg_fault_sel dd  msg_exc_8,msg_exc_u,msg_exc_a,msg_exc_b
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  msg_fault_sel dd  msg_exc_8,msg_exc_u,msg_exc_a,msg_exc_b
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uglobal
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uglobal
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  pf_err_code   dd ?
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  pf_err_code   dd ?
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endg
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endg
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page_fault_exc:                 ; äóðàêîóñòî÷èâîñòü: ñåëåêòîðû èñïîð÷åíû...
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page_fault_exc:                 ; дуракоусточивость: селекторы испорчены...
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        pop     [ss:pf_err_code]; äåéñòâèòåëüíî äî ñëåäóþùåãî #PF
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        pop     [ss:pf_err_code]; действительно до следующего #PF
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        save_ring3_context
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        save_ring3_context
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        mov     bl, 14
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        mov     bl, 14
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exc_c:                          ; èñêëþ÷åíèÿ (âñå, êðîìå 7-ãî - #NM)
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exc_c:                          ; исключения (все, кроме 7-го - #NM)
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; Ôðýéì ñòåêà ïðè èñêëþ÷åíèè/ïðåðûâàíèè èç 3-ãî êîëüöà + pushad (ò.å., èìåííî çäåñü)
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; Фрэйм стека при исключении/прерывании из 3-го кольца + pushad (т.е., именно здесь)
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  reg_ss        equ esp+0x30
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  reg_ss        equ esp+0x30
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  reg_esp3      equ esp+0x2C
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  reg_esp3      equ esp+0x2C
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  reg_eflags    equ esp+0x28
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  reg_eflags    equ esp+0x28
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  reg_cs3       equ esp+0x24
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  reg_cs3       equ esp+0x24
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  reg_eip       equ esp+0x20
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  reg_eip       equ esp+0x20
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 ; ýòî ôðýéì îò pushad
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 ; это фрэйм от pushad
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  reg_eax       equ esp+0x1C
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  reg_eax       equ esp+0x1C
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  reg_ecx       equ esp+0x18
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  reg_ecx       equ esp+0x18
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  reg_edx       equ esp+0x14
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  reg_edx       equ esp+0x14
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  reg_ebx       equ esp+0x10
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  reg_ebx       equ esp+0x10
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  reg_esp0      equ esp+0x0C
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  reg_esp0      equ esp+0x0C
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  reg_ebp       equ esp+0x08
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  reg_ebp       equ esp+0x08
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  reg_esi       equ esp+0x04
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  reg_esi       equ esp+0x04
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  reg_edi       equ esp+0x00
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  reg_edi       equ esp+0x00
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        mov     ax, app_data        ;èñêëþ÷åíèå
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        mov     ax, app_data        ;исключение
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        mov     ds, ax                  ;çàãðóçèì ïðàâèëüíûå çíà÷åíèÿ
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        mov     ds, ax                  ;загрузим правильные значения
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        mov     es, ax                  ;â ðåãèñòðû
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        mov     es, ax                  ;в регистры
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        cld                     ; è ïðèâîäèì DF ê ñòàíäàðòó
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        cld                     ; и приводим DF к стандарту
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        movzx   ebx, bl
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        movzx   ebx, bl
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        pop     edx ecx eax
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        pop     edx ecx eax
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        ret
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        ret
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;  * eax = 64 - íîìåð ôóíêöèè
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;  * eax = 64 - номер функции
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;  * ebx = 1 - åäèíñòâåííàÿ ïîäôóíêöèÿ
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;  * ebx = 1 - единственная подфункция
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;  * ecx = íîâûé ðàçìåð ïàìÿòè
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;  * ecx = новый размер памяти
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;Âîçâðàùàåìîå çíà÷åíèå:
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;Возвращаемое значение:
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;  * eax = 0 - óñïåøíî
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;  * eax = 0 - успешно
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;  * eax = 1 - íåäîñòàòî÷íî ïàìÿòè
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;  * eax = 1 - недостаточно памяти
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    ;call  sys_msg_board_str
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    ;call  sys_msg_board_str
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        add     esp, 4
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        add     esp, 4
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        ret
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        ret
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restore .slot
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restore .slot
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;iglobal
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;if lang eq ru
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;  boot_sched_1    db   '‘®§¤ ­¨¥ GDT TSS 㪠§ â¥«ï',0
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;  boot_sched_2    db   '‘®§¤ ­¨¥ IDT â ¡«¨æë',0
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;else
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;  boot_sched_1    db   'Building gdt tss pointer',0
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;  boot_sched_2    db   'Building IDT table',0
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;end if
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;endg
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;build_scheduler:
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;build_scheduler:
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;        mov     esi, boot_sched_1
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;        mov     esi, boot_sched_1
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;        call    boot_log
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;        call    boot_log