From ba19a6400d55e66b04ac1fdf62fd4ea11cb1fe5a Mon Sep 17 00:00:00 2001 From: "Marat Zakiyanov (Mario79)" Date: Thu, 27 Mar 2014 20:44:32 +0000 Subject: [PATCH] Kernel supports up to three IDE controllers, and all the devices connected to them git-svn-id: svn://kolibrios.org@4700 a494cfbc-eb01-0410-851d-a64ba20cac60 --- kernel/trunk/blkdev/cd_drv.inc | 797 ++++++++++++++++++++---------- kernel/trunk/blkdev/cdrom.inc | 271 ---------- kernel/trunk/blkdev/hd_drv.inc | 315 ++++++------ kernel/trunk/blkdev/ide_cache.inc | 385 +++++---------- kernel/trunk/const.inc | 2 +- kernel/trunk/core/sched.inc | 21 +- kernel/trunk/data32.inc | 52 -- kernel/trunk/detect/dev_hdcd.inc | 328 ++++++------ kernel/trunk/detect/getcache.inc | 175 +++++-- kernel/trunk/detect/init_ata.inc | 183 +++++-- kernel/trunk/detect/sear_par.inc | 159 +++++- kernel/trunk/docs/sysfuncr.txt | 226 +-------- kernel/trunk/docs/sysfuncs.txt | 229 ++------- kernel/trunk/fs/fs_lfn.inc | 185 ++++++- kernel/trunk/fs/iso9660.inc | 426 +++++++++++----- kernel/trunk/kernel.asm | 384 +++++++------- kernel/trunk/kernel32.inc | 25 +- 17 files changed, 2134 insertions(+), 2029 deletions(-) delete mode 100644 kernel/trunk/blkdev/cdrom.inc diff --git a/kernel/trunk/blkdev/cd_drv.inc b/kernel/trunk/blkdev/cd_drv.inc index a88f7fb2ad..4ff87ce19a 100644 --- a/kernel/trunk/blkdev/cd_drv.inc +++ b/kernel/trunk/blkdev/cd_drv.inc @@ -7,7 +7,7 @@ $Revision$ - +;----------------------------------------------------------------------------- ;********************************************************** ; Непосредственная работа с устройством СD (ATAPI) ;********************************************************** @@ -37,16 +37,17 @@ ReadCDWRetr: xor edi, edi add esi, 8 inc edi +;-------------------------------------- +align 4 .hdreadcache: -; cmp dword [esi+4],0 ; empty -; je .nohdcache cmp [esi], eax ; correct sector je .yeshdcache -.nohdcache: + add esi, 8 inc edi dec ecx jnz .hdreadcache + call find_empty_slot_CD_cache ; ret in edi push edi @@ -66,28 +67,30 @@ ReadCDWRetr: call cd_calculate_cache_1 lea esi, [edi*8+esi] mov [esi], eax ; sector number -; mov dword [esi+4],1 ; hd read - mark as same as in hd +;-------------------------------------- .yeshdcache: mov esi, edi - shl esi, 11;9 + shl esi, 11 ;9 push eax call cd_calculate_cache_2 add esi, eax pop eax - mov edi, ebx;[CDDataBuf_pointer] - mov ecx, 512;/4 + mov edi, ebx ;[CDDataBuf_pointer] + mov ecx, 512 ;/4 cld rep movsd ; move data +;-------------------------------------- .exit: popad ret - +;----------------------------------------------------------------------------- ReadCDWRetr_1: pushad - ; Цикл, пока команда не выполнена успешно или не ; исчерпано количество попыток - mov ECX, MaxRetr + mov ecx, MaxRetr +;-------------------------------------- +align 4 @@NextRetr: ; Подать команду ;************************************************* @@ -103,89 +106,74 @@ ReadCDWRetr_1: ;************************************************* ;ReadCD: push ecx -; pusha -; Задать размер сектора -; mov [CDBlockSize],2048 ;2352 ; Очистить буфер пакетной команды call clear_packet_buffer ; Сформировать пакетную команду для считывания ; сектора данных ; Задать код команды Read CD - mov [PacketCommand], byte 0x28;0xBE + mov [PacketCommand], byte 0x28 ;0xBE ; Задать адрес сектора - mov AX, word [CDSectorAddress+2] - xchg AL, AH - mov word [PacketCommand+2], AX - mov AX, word [CDSectorAddress] - xchg AL, AH - mov word [PacketCommand+4], AX -; mov eax,[CDSectorAddress] -; mov [PacketCommand+2],eax + mov ax, word [CDSectorAddress+2] + xchg al, ah + mov word [PacketCommand+2], ax + mov ax, word [CDSectorAddress] + xchg al, ah + mov word [PacketCommand+4], ax ; Задать количество считываемых секторов mov [PacketCommand+8], byte 1 -; Задать считывание данных в полном объеме -; mov [PacketCommand+9],byte 0xF8 ; Подать команду call SendPacketDatCommand pop ecx -; ret -; cmp [DevErrorCode],0 test eax, eax jz @@End_4 or ecx, ecx ;{SPraid.simba} (for cd load) jz @@End_4 + dec ecx cmp [timer_ticks_enable], 0 jne @f + mov eax, NoTickWaitTime +;-------------------------------------- +align 4 .wait: dec eax -; test eax,eax jz @@NextRetr + jmp .wait +;-------------------------------------- +align 4 @@: -; Задержка на 2,5 секунды -; mov EAX,[timer_ticks] -; add EAX,50 ;250 -;@@Wait: -; call change_task -; cmp EAX,[timer_ticks] -; ja @@Wait loop @@NextRetr +;-------------------------------------- @@End_4: mov dword [DevErrorCode], eax popad ret - - +;----------------------------------------------------------------------------- ; Универсальные процедуры, обеспечивающие выполнение ; пакетных команд в режиме PIO - ; Максимально допустимое время ожидания реакции ; устройства на пакетную команду (в тиках) - +;----------------------------------------------------------------------------- MaxCDWaitTime equ 1000 ;200 ;10 секунд uglobal ; Область памяти для формирования пакетной команды PacketCommand: rb 12 ;DB 12 DUP (?) -; Область памяти для приема данных от дисковода -;CDDataBuf DB 4096 DUP (0) -; Размер принимаемого блока данных в байтах -;CDBlockSize DW ? ; Адрес считываемого сектора данных -CDSectorAddress: - DD ? +CDSectorAddress: dd ? ; Время начала очередной операции с диском -TickCounter_1 DD 0 +TickCounter_1 dd 0 ; Время начала ожидания готовности устройства -WURStartTime DD 0 +WURStartTime dd 0 ; указатель буфера для считывания CDDataBuf_pointer dd 0 endg +;----------------------------------------------------------------------------- ;**************************************************** ;* ПОСЛАТЬ УСТРОЙСТВУ ATAPI ПАКЕТНУЮ КОМАНДУ, * ;* ПРЕДУСМАТРИВАЮЩУЮ ПЕРЕДАЧУ ОДНОГО СЕКТОРА ДАННЫХ * @@ -200,7 +188,6 @@ endg ;**************************************************** SendPacketDatCommand: xor eax, eax -; mov byte [DevErrorCode],al ; Задать режим CHS mov byte [ATAAddressMode], al ; Послать ATA-команду передачи пакетной команды @@ -209,125 +196,134 @@ SendPacketDatCommand: mov byte [ATASectorNumber], al ; Загрузить размер передаваемого блока mov [ATAHead], al -; mov AX,[CDBlockSize] mov [ATACylinder], CDBlockSize - mov [ATACommand], 0A0h + mov [ATACommand], 0xA0 call SendCommandToHDD_1 test eax, eax -; cmp [DevErrorCode],0 ;проверить код ошибки jnz @@End_8 ;закончить, сохранив код ошибки - ; Ожидание готовности дисковода к приему ; пакетной команды - mov DX, [ATABasePortAddr] - add DX, 7 ;порт 1х7h + mov dx, [ATABasePortAddr] + add dx, 7 ;порт 1х7h mov ecx, NoTickWaitTime +;-------------------------------------- +align 4 @@WaitDevice0: cmp [timer_ticks_enable], 0 jne @f + dec ecx -; test ecx,ecx jz @@Err1_1 + jmp .test +;-------------------------------------- +align 4 @@: call change_task ; Проверить время выполнения команды - mov EAX, [timer_ticks] - sub EAX, [TickCounter_1] - cmp EAX, BSYWaitTime + mov eax, [timer_ticks] + sub eax, [TickCounter_1] + cmp eax, BSYWaitTime ja @@Err1_1 ;ошибка тайм-аута ; Проверить готовность +;-------------------------------------- +align 4 .test: - in AL, DX - test AL, 80h ;состояние сигнала BSY + in al, dx + test al, 0x80 ;состояние сигнала BSY jnz @@WaitDevice0 - test AL, 1 ;состояние сигнала ERR + + test al, 1 ;состояние сигнала ERR jnz @@Err6 - test AL, 08h ;состояние сигнала DRQ + + test al, 0x8 ;состояние сигнала DRQ jz @@WaitDevice0 ; Послать пакетную команду cli - mov DX, [ATABasePortAddr] - mov AX, [PacketCommand] - out DX, AX - mov AX, [PacketCommand+2] - out DX, AX - mov AX, [PacketCommand+4] - out DX, AX - mov AX, [PacketCommand+6] - out DX, AX - mov AX, [PacketCommand+8] - out DX, AX - mov AX, [PacketCommand+10] - out DX, AX + mov dx, [ATABasePortAddr] + mov ax, [PacketCommand] + out dx, ax + mov ax, [PacketCommand+2] + out dx, ax + mov ax, [PacketCommand+4] + out dx, ax + mov ax, [PacketCommand+6] + out dx, ax + mov ax, [PacketCommand+8] + out dx, ax + mov ax, [PacketCommand+10] + out dx, ax sti ; Ожидание готовности данных - mov DX, [ATABasePortAddr] - add DX, 7 ;порт 1х7h + mov dx, [ATABasePortAddr] + add dx, 7 ;порт 1х7h mov ecx, NoTickWaitTime +;-------------------------------------- +align 4 @@WaitDevice1: cmp [timer_ticks_enable], 0 jne @f + dec ecx -; test ecx,ecx jz @@Err1_1 + jmp .test_1 +;-------------------------------------- +align 4 @@: call change_task ; Проверить время выполнения команды - mov EAX, [timer_ticks] - sub EAX, [TickCounter_1] - cmp EAX, MaxCDWaitTime + mov eax, [timer_ticks] + sub eax, [TickCounter_1] + cmp eax, MaxCDWaitTime ja @@Err1_1 ;ошибка тайм-аута ; Проверить готовность +;-------------------------------------- +align 4 .test_1: - in AL, DX - test AL, 80h ;состояние сигнала BSY + in al, dx + test al, 0x80 ;состояние сигнала BSY jnz @@WaitDevice1 - test AL, 1 ;состояние сигнала ERR + + test al, 1 ;состояние сигнала ERR jnz @@Err6_temp - test AL, 08h ;состояние сигнала DRQ + + test al, 0x8 ;состояние сигнала DRQ jz @@WaitDevice1 ; Принять блок данных от контроллера - mov EDI, [CDDataBuf_pointer];0x7000 ;CDDataBuf + mov edi, [CDDataBuf_pointer] ; Загрузить адрес регистра данных контроллера - mov DX, [ATABasePortAddr];порт 1x0h + mov dx, [ATABasePortAddr] ; Загрузить в счетчик размер блока в байтах xor ecx, ecx - mov CX, CDBlockSize + mov cx, CDBlockSize ; Вычислить размер блока в 16-разрядных словах - shr CX, 1;разделить размер блока на 2 + shr cx, 1 ;разделить размер блока на 2 ; Принять блок данных cli cld rep insw sti +;-------------------------------------- ; Успешное завершение приема данных @@End_8: xor eax, eax ret - +;-------------------------------------- ; Записать код ошибки @@Err1_1: xor eax, eax inc eax ret -; mov [DevErrorCode],1 -; ret +;-------------------------------------- @@Err6_temp: mov eax, 7 ret -; mov [DevErrorCode],7 -; ret +;-------------------------------------- @@Err6: mov eax, 6 ret -; mov [DevErrorCode],6 -;@@End_8: -; ret - - - +;----------------------------------------------------------------------------- ;*********************************************** ;* ПОСЛАТЬ УСТРОЙСТВУ ATAPI ПАКЕТНУЮ КОМАНДУ, * ;* НЕ ПРЕДУСМАТРИВАЮЩУЮ ПЕРЕДАЧИ ДАННЫХ * @@ -340,7 +336,6 @@ SendPacketDatCommand: SendPacketNoDatCommand: pushad xor eax, eax -; mov byte [DevErrorCode],al ; Задать режим CHS mov byte [ATAAddressMode], al ; Послать ATA-команду передачи пакетной команды @@ -349,82 +344,93 @@ SendPacketNoDatCommand: mov byte [ATASectorNumber], al mov word [ATACylinder], ax mov byte [ATAHead], al - mov [ATACommand], 0A0h + mov [ATACommand], 0xA0 call SendCommandToHDD_1 -; cmp [DevErrorCode],0 ;проверить код ошибки test eax, eax jnz @@End_9 ;закончить, сохранив код ошибки ; Ожидание готовности дисковода к приему ; пакетной команды - mov DX, [ATABasePortAddr] - add DX, 7 ;порт 1х7h + mov dx, [ATABasePortAddr] + add dx, 7 ;порт 1х7h +;-------------------------------------- +align 4 @@WaitDevice0_1: call change_task ; Проверить время ожидания - mov EAX, [timer_ticks] - sub EAX, [TickCounter_1] - cmp EAX, BSYWaitTime + mov eax, [timer_ticks] + sub eax, [TickCounter_1] + cmp eax, BSYWaitTime ja @@Err1_3 ;ошибка тайм-аута ; Проверить готовность - in AL, DX - test AL, 80h ;состояние сигнала BSY + in al, dx + test al, 0x80 ;состояние сигнала BSY jnz @@WaitDevice0_1 - test AL, 1 ;состояние сигнала ERR + + test al, 1 ;состояние сигнала ERR jnz @@Err6_1 - test AL, 08h ;состояние сигнала DRQ + + test al, 0x8 ;состояние сигнала DRQ jz @@WaitDevice0_1 ; Послать пакетную команду ; cli - mov DX, [ATABasePortAddr] - mov AX, word [PacketCommand] - out DX, AX - mov AX, word [PacketCommand+2] - out DX, AX - mov AX, word [PacketCommand+4] - out DX, AX - mov AX, word [PacketCommand+6] - out DX, AX - mov AX, word [PacketCommand+8] - out DX, AX - mov AX, word [PacketCommand+10] - out DX, AX + mov dx, [ATABasePortAddr] + mov ax, word [PacketCommand] + out dx, ax + mov ax, word [PacketCommand+2] + out dx, ax + mov ax, word [PacketCommand+4] + out dx, ax + mov ax, word [PacketCommand+6] + out dx, ax + mov ax, word [PacketCommand+8] + out dx, ax + mov ax, word [PacketCommand+10] + out dx, ax ; sti cmp [ignore_CD_eject_wait], 1 je @@clear_DEC ; Ожидание подтверждения приема команды - mov DX, [ATABasePortAddr] - add DX, 7 ;порт 1х7h + mov dx, [ATABasePortAddr] + add dx, 7 ;порт 1х7h +;-------------------------------------- +align 4 @@WaitDevice1_1: call change_task ; Проверить время выполнения команды - mov EAX, [timer_ticks] - sub EAX, [TickCounter_1] - cmp EAX, MaxCDWaitTime + mov eax, [timer_ticks] + sub eax, [TickCounter_1] + cmp eax, MaxCDWaitTime ja @@Err1_3 ;ошибка тайм-аута ; Ожидать освобождения устройства - in AL, DX - test AL, 80h ;состояние сигнала BSY + in al, dx + test al, 0x80 ;состояние сигнала BSY jnz @@WaitDevice1_1 - test AL, 1 ;состояние сигнала ERR + + test al, 1 ;состояние сигнала ERR jnz @@Err6_1 - test AL, 40h ;состояние сигнала DRDY + + test al, 0x40 ;состояние сигнала DRDY jz @@WaitDevice1_1 +;-------------------------------------- @@clear_DEC: and [DevErrorCode], 0 popad ret +;-------------------------------------- ; Записать код ошибки @@Err1_3: xor eax, eax inc eax jmp @@End_9 +;-------------------------------------- @@Err6_1: mov eax, 6 +;-------------------------------------- @@End_9: mov [DevErrorCode], eax popad ret - +;----------------------------------------------------------------------------- ;**************************************************** ;* ПОСЛАТЬ КОМАНДУ ЗАДАННОМУ ДИСКУ * ;* Входные параметры передаются через глобальные * @@ -445,127 +451,135 @@ SendPacketNoDatCommand: ;* возвращен код ошибки в eax * ;**************************************************** SendCommandToHDD_1: -; pushad -; mov [DevErrorCode],0 not need ; Проверить значение кода режима cmp [ATAAddressMode], 1 ja @@Err2_4 ; Проверить корректность номера канала - mov BX, [ChannelNumber] - cmp BX, 1 + mov bx, [ChannelNumber] + cmp bx, 1 jb @@Err3_4 - cmp BX, 2 + + cmp bx, 2 ja @@Err3_4 ; Установить базовый адрес - dec BX - shl BX, 1 + dec bx + shl ebx, 2 movzx ebx, bx - mov AX, [ebx+StandardATABases] - mov [ATABasePortAddr], AX + mov eax, [cdpos] + dec eax + shr eax, 2 + imul eax, sizeof.IDE_DATA + add eax, IDE_controller_1 + add eax, ebx + mov ax, [eax+IDE_DATA.BAR0_val] + mov [ATABasePortAddr], ax ; Ожидание готовности HDD к приему команды ; Выбрать нужный диск - mov DX, [ATABasePortAddr] - add DX, 6 ;адрес регистра головок - mov AL, [DiskNumber] - cmp AL, 1 ;проверить номера диска + mov dx, [ATABasePortAddr] + add dx, 6 ;адрес регистра головок + mov al, [DiskNumber] + cmp al, 1 ;проверить номера диска ja @@Err4_4 - shl AL, 4 - or AL, 10100000b - out DX, AL + + shl al, 4 + or al, 10100000b + out dx, al ; Ожидать, пока диск не будет готов - inc DX + inc dx mov eax, [timer_ticks] mov [TickCounter_1], eax mov ecx, NoTickWaitTime +;-------------------------------------- +align 4 @@WaitHDReady_2: cmp [timer_ticks_enable], 0 jne @f + dec ecx -; test ecx,ecx jz @@Err1_4 + jmp .test +;-------------------------------------- +align 4 @@: call change_task ; Проверить время ожидания mov eax, [timer_ticks] sub eax, [TickCounter_1] - cmp eax, BSYWaitTime;300 ;ожидать 3 сек. + cmp eax, BSYWaitTime ;300 ;ожидать 3 сек. ja @@Err1_4 ;ошибка тайм-аута - ; Прочитать регистр состояния +;-------------------------------------- +align 4 .test: - in AL, DX + in al, dx ; Прочитать регистр состояния ; Проверить состояние сигнала BSY - test AL, 80h + test al, 0x80 jnz @@WaitHDReady_2 ; Проверить состояние сигнала DRQ - test AL, 08h + test al, 0x8 jnz @@WaitHDReady_2 - ; Загрузить команду в регистры контроллера cli - mov DX, [ATABasePortAddr] - inc DX ;регистр "особенностей" - mov AL, [ATAFeatures] - out DX, AL - inc DX ;счетчик секторов - mov AL, [ATASectorCount] - out DX, AL - inc DX ;регистр номера сектора - mov AL, [ATASectorNumber] - out DX, AL - inc DX ;номер цилиндра (младший байт) - mov AX, [ATACylinder] - out DX, AL - inc DX ;номер цилиндра (старший байт) - mov AL, AH - out DX, AL - inc DX ;номер головки/номер диска - mov AL, [DiskNumber] - shl AL, 4 - cmp [ATAHead], 0Fh;проверить номер головки + mov dx, [ATABasePortAddr] + inc dx ;регистр "особенностей" + mov al, [ATAFeatures] + out dx, al + inc dx ;счетчик секторов + mov al, [ATASectorCount] + out dx, al + inc dx ;регистр номера сектора + mov al, [ATASectorNumber] + out dx, al + inc dx ;номер цилиндра (младший байт) + mov ax, [ATACylinder] + out dx, al + inc dx ;номер цилиндра (старший байт) + mov al, ah + out dx, al + inc dx ;номер головки/номер диска + mov al, [DiskNumber] + shl al, 4 + cmp [ATAHead], 0xF ;проверить номер головки ja @@Err5_4 - or AL, [ATAHead] - or AL, 10100000b - mov AH, [ATAAddressMode] - shl AH, 6 - or AL, AH - out DX, AL + + or al, [ATAHead] + or al, 10100000b + mov ah, [ATAAddressMode] + shl ah, 6 + or al, ah + out dx, al ; Послать команду - mov AL, [ATACommand] - inc DX ;регистр команд - out DX, AL + mov al, [ATACommand] + inc dx ;регистр команд + out dx, al sti -; Сбросить признак ошибки -; mov [DevErrorCode],0 +;-------------------------------------- @@End_10: xor eax, eax ret +;-------------------------------------- ; Записать код ошибки @@Err1_4: xor eax, eax inc eax -; mov [DevErrorCode],1 ret +;-------------------------------------- @@Err2_4: mov eax, 2 -; mov [DevErrorCode],2 ret +;-------------------------------------- @@Err3_4: mov eax, 3 -; mov [DevErrorCode],3 ret +;-------------------------------------- @@Err4_4: mov eax, 4 -; mov [DevErrorCode],4 ret +;-------------------------------------- @@Err5_4: mov eax, 5 -; mov [DevErrorCode],5 -; Завершение работы программы ret -; sti -; popad - +;----------------------------------------------------------------------------- ;************************************************* ;* ОЖИДАНИЕ ГОТОВНОСТИ УСТРОЙСТВА К РАБОТЕ * ;* Входные параметры передаются через глобальные * @@ -576,42 +590,50 @@ SendCommandToHDD_1: WaitUnitReady: pusha ; Запомнить время начала операции - mov EAX, [timer_ticks] - mov [WURStartTime], EAX + mov eax, [timer_ticks] + mov [WURStartTime], eax ; Очистить буфер пакетной команды call clear_packet_buffer ; Сформировать команду TEST UNIT READY - mov [PacketCommand], word 00h + mov [PacketCommand], word 0 ; ЦИКЛ ОЖИДАНИЯ ГОТОВНОСТИ УСТРОЙСТВА mov ecx, NoTickWaitTime +;-------------------------------------- +align 4 @@SendCommand: ; Подать команду проверки готовности call SendPacketNoDatCommand cmp [timer_ticks_enable], 0 jne @f + cmp [DevErrorCode], 0 je @@End_11 + dec ecx -; cmp ecx,0 jz .Error + jmp @@SendCommand +;-------------------------------------- +align 4 @@: call change_task ; Проверить код ошибки cmp [DevErrorCode], 0 je @@End_11 ; Проверить время ожидания готовности - mov EAX, [timer_ticks] - sub EAX, [WURStartTime] - cmp EAX, MaxCDWaitTime + mov eax, [timer_ticks] + sub eax, [WURStartTime] + cmp eax, MaxCDWaitTime jb @@SendCommand +;-------------------------------------- .Error: ; Ошибка тайм-аута mov [DevErrorCode], 1 +;-------------------------------------- @@End_11: popa ret - +;----------------------------------------------------------------------------- ;************************************************* ;* ЗАПРЕТИТЬ СМЕНУ ДИСКА * ;* Входные параметры передаются через глобальные * @@ -635,7 +657,7 @@ prevent_medium_removal: mov [eax], byte 1 popa ret - +;----------------------------------------------------------------------------- ;************************************************* ;* РАЗРЕШИТЬ СМЕНУ ДИСКА * ;* Входные параметры передаются через глобальные * @@ -650,7 +672,7 @@ allow_medium_removal: ; Задать код команды mov [PacketCommand], byte 0x1E ; Задать код запрета - mov [PacketCommand+4], byte 00b + mov [PacketCommand+4], byte 0 ; Подать команду call SendPacketNoDatCommand mov eax, ATAPI_IDE0_lock @@ -659,7 +681,7 @@ allow_medium_removal: mov [eax], byte 0 popa ret - +;----------------------------------------------------------------------------- ;************************************************* ;* ЗАГРУЗИТЬ НОСИТЕЛЬ В ДИСКОВОД * ;* Входные параметры передаются через глобальные * @@ -673,14 +695,14 @@ LoadMedium: call clear_packet_buffer ; Сформировать команду START/STOP UNIT ; Задать код команды - mov [PacketCommand], word 1Bh + mov [PacketCommand], word 0x1B ; Задать операцию загрузки носителя mov [PacketCommand+4], word 00000011b ; Подать команду call SendPacketNoDatCommand popa ret - +;----------------------------------------------------------------------------- ;************************************************* ;* ИЗВЛЕЧЬ НОСИТЕЛЬ ИЗ ДИСКОВОДА * ;* Входные параметры передаются через глобальные * @@ -694,14 +716,14 @@ EjectMedium: call clear_packet_buffer ; Сформировать команду START/STOP UNIT ; Задать код команды - mov [PacketCommand], word 1Bh + mov [PacketCommand], word 0x1B ; Задать операцию извлечения носителя mov [PacketCommand+4], word 00000010b ; Подать команду call SendPacketNoDatCommand popa ret - +;----------------------------------------------------------------------------- ;************************************************* ;* Проверить событие нажатия кнопки извлечения * ;* диска * @@ -715,15 +737,16 @@ proc check_ATAPI_device_event_has_work? sub eax, [timer_ATAPI_check] cmp eax, 100 jb .no -.yes: + xor eax, eax inc eax ret +;-------------------------------------- .no: xor eax, eax ret endp - +;----------------------------------------------------------------------------- align 4 check_ATAPI_device_event: pusha @@ -731,43 +754,95 @@ check_ATAPI_device_event: sub eax, [timer_ATAPI_check] cmp eax, 100 jb .end_1 + mov al, [DRIVE_DATA+1] and al, 11b cmp al, 10b jz .ide3 +;-------------------------------------- .ide2_1: mov al, [DRIVE_DATA+1] and al, 1100b cmp al, 1000b jz .ide2 +;-------------------------------------- .ide1_1: mov al, [DRIVE_DATA+1] and al, 110000b cmp al, 100000b jz .ide1 +;-------------------------------------- .ide0_1: mov al, [DRIVE_DATA+1] and al, 11000000b cmp al, 10000000b jz .ide0 +;-------------------------------------- +.ide7_1: + mov al, [DRIVE_DATA+6] + and al, 11b + cmp al, 10b + jz .ide7 +;-------------------------------------- +.ide6_1: + mov al, [DRIVE_DATA+6] + and al, 1100b + cmp al, 1000b + jz .ide6 +;-------------------------------------- +.ide5_1: + mov al, [DRIVE_DATA+6] + and al, 110000b + cmp al, 100000b + jz .ide5 +;-------------------------------------- +.ide4_1: + mov al, [DRIVE_DATA+6] + and al, 11000000b + cmp al, 10000000b + jz .ide4 +;-------------------------------------- +.ide11_1: + mov al, [DRIVE_DATA+11] + and al, 11b + cmp al, 10b + jz .ide11 +;-------------------------------------- +.ide10_1: + mov al, [DRIVE_DATA+11] + and al, 1100b + cmp al, 1000b + jz .ide10 +;-------------------------------------- +.ide9_1: + mov al, [DRIVE_DATA+11] + and al, 110000b + cmp al, 100000b + jz .ide9 +;-------------------------------------- +.ide8_1: + mov al, [DRIVE_DATA+11] + and al, 11000000b + cmp al, 10000000b + jz .ide8 +;-------------------------------------- .end: - sti mov eax, [timer_ticks] mov [timer_ATAPI_check], eax +;-------------------------------------- .end_1: popa ret - +;----------------------------------------------------------------------------- .ide3: cli cmp [ATAPI_IDE3_lock], 1 jne .ide2_1 - cmp [IDE_Channel_2], 0 - jne .ide1_1 + cmp [cd_status], 0 jne .end - mov [IDE_Channel_2], 1 + mov ecx, ide_channel2_mutex call mutex_lock call reserve_ok2 @@ -776,23 +851,22 @@ check_ATAPI_device_event: mov [cdpos], 4 call GetEvent_StatusNotification cmp [CDDataBuf+4], byte 1 - je .eject_ide3 - call syscall_cdaudio.free - jmp .ide2_1 -.eject_ide3: - call .eject - call syscall_cdaudio.free - jmp .ide2_1 + jne @f + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .ide2_1 +;----------------------------------------------------------------------------- .ide2: cli cmp [ATAPI_IDE2_lock], 1 jne .ide1_1 - cmp [IDE_Channel_2], 0 - jne .ide1_1 + cmp [cd_status], 0 jne .end - mov [IDE_Channel_2], 1 + mov ecx, ide_channel2_mutex call mutex_lock call reserve_ok2 @@ -801,23 +875,22 @@ check_ATAPI_device_event: mov [cdpos], 3 call GetEvent_StatusNotification cmp [CDDataBuf+4], byte 1 - je .eject_ide2 - call syscall_cdaudio.free - jmp .ide1_1 -.eject_ide2: - call .eject - call syscall_cdaudio.free - jmp .ide1_1 + jne @f + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .ide1_1 +;----------------------------------------------------------------------------- .ide1: cli cmp [ATAPI_IDE1_lock], 1 jne .ide0_1 - cmp [IDE_Channel_1], 0 - jne .end + cmp [cd_status], 0 jne .end - mov [IDE_Channel_1], 1 + mov ecx, ide_channel1_mutex call mutex_lock call reserve_ok2 @@ -826,23 +899,22 @@ check_ATAPI_device_event: mov [cdpos], 2 call GetEvent_StatusNotification cmp [CDDataBuf+4], byte 1 - je .eject_ide1 - call syscall_cdaudio.free - jmp .ide0_1 -.eject_ide1: - call .eject - call syscall_cdaudio.free - jmp .ide0_1 + jne @f + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .ide0_1 +;----------------------------------------------------------------------------- .ide0: cli cmp [ATAPI_IDE0_lock], 1 jne .end - cmp [IDE_Channel_1], 0 - jne .end + cmp [cd_status], 0 jne .end - mov [IDE_Channel_1], 1 + mov ecx, ide_channel1_mutex call mutex_lock call reserve_ok2 @@ -851,14 +923,206 @@ check_ATAPI_device_event: mov [cdpos], 1 call GetEvent_StatusNotification cmp [CDDataBuf+4], byte 1 - je .eject_ide0 - call syscall_cdaudio.free - jmp .end -.eject_ide0: - call .eject - call syscall_cdaudio.free - jmp .end + jne @f + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .end +;----------------------------------------------------------------------------- +.ide7: + cli + cmp [ATAPI_IDE7_lock], 1 + jne .ide2_1 + + cmp [cd_status], 0 + jne .end + + mov ecx, ide_channel4_mutex + call mutex_lock + call reserve_ok2 + mov [ChannelNumber], 2 + mov [DiskNumber], 1 + mov [cdpos], 8 + call GetEvent_StatusNotification + cmp [CDDataBuf+4], byte 1 + jne @f + + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .ide2_1 +;----------------------------------------------------------------------------- +.ide6: + cli + cmp [ATAPI_IDE6_lock], 1 + jne .ide1_1 + + cmp [cd_status], 0 + jne .end + + mov ecx, ide_channel4_mutex + call mutex_lock + call reserve_ok2 + mov [ChannelNumber], 2 + mov [DiskNumber], 0 + mov [cdpos], 7 + call GetEvent_StatusNotification + cmp [CDDataBuf+4], byte 1 + jne @f + + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .ide1_1 +;----------------------------------------------------------------------------- +.ide5: + cli + cmp [ATAPI_IDE5_lock], 1 + jne .ide0_1 + + cmp [cd_status], 0 + jne .end + + mov ecx, ide_channel3_mutex + call mutex_lock + call reserve_ok2 + mov [ChannelNumber], 1 + mov [DiskNumber], 1 + mov [cdpos], 6 + call GetEvent_StatusNotification + cmp [CDDataBuf+4], byte 1 + jne @f + + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .ide0_1 +;----------------------------------------------------------------------------- +.ide4: + cli + cmp [ATAPI_IDE4_lock], 1 + jne .end + + cmp [cd_status], 0 + jne .end + + mov ecx, ide_channel3_mutex + call mutex_lock + call reserve_ok2 + mov [ChannelNumber], 1 + mov [DiskNumber], 0 + mov [cdpos], 5 + call GetEvent_StatusNotification + cmp [CDDataBuf+4], byte 1 + jne @f + + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .end +;----------------------------------------------------------------------------- +.ide11: + cli + cmp [ATAPI_IDE11_lock], 1 + jne .ide2_1 + + cmp [cd_status], 0 + jne .end + + mov ecx, ide_channel6_mutex + call mutex_lock + call reserve_ok2 + mov [ChannelNumber], 2 + mov [DiskNumber], 1 + mov [cdpos], 12 + call GetEvent_StatusNotification + cmp [CDDataBuf+4], byte 1 + jne @f + + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .ide2_1 +;----------------------------------------------------------------------------- +.ide10: + cli + cmp [ATAPI_IDE10_lock], 1 + jne .ide1_1 + + cmp [cd_status], 0 + jne .end + + mov ecx, ide_channel6_mutex + call mutex_lock + call reserve_ok2 + mov [ChannelNumber], 2 + mov [DiskNumber], 0 + mov [cdpos], 11 + call GetEvent_StatusNotification + cmp [CDDataBuf+4], byte 1 + jne @f + + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .ide1_1 +;----------------------------------------------------------------------------- +.ide9: + cli + cmp [ATAPI_IDE9_lock], 1 + jne .ide0_1 + + cmp [cd_status], 0 + jne .end + + mov ecx, ide_channel5_mutex + call mutex_lock + call reserve_ok2 + mov [ChannelNumber], 1 + mov [DiskNumber], 1 + mov [cdpos], 10 + call GetEvent_StatusNotification + cmp [CDDataBuf+4], byte 1 + jne @f + + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .ide0_1 +;----------------------------------------------------------------------------- +.ide8: + cli + cmp [ATAPI_IDE8_lock], 1 + jne .end + + cmp [cd_status], 0 + jne .end + + mov ecx, ide_channel5_mutex + call mutex_lock + call reserve_ok2 + mov [ChannelNumber], 1 + mov [DiskNumber], 0 + mov [cdpos], 9 + call GetEvent_StatusNotification + cmp [CDDataBuf+4], byte 1 + jne @f + + call .eject +;-------------------------------------- +@@: + call syscall_cdaudio.free + jmp .end +;----------------------------------------------------------------------------- .eject: call clear_CD_cache call allow_medium_removal @@ -866,14 +1130,24 @@ check_ATAPI_device_event: call EjectMedium mov [ignore_CD_eject_wait], 0 ret +;----------------------------------------------------------------------------- iglobal timer_ATAPI_check dd 0 ATAPI_IDE0_lock db 0 ATAPI_IDE1_lock db 0 ATAPI_IDE2_lock db 0 ATAPI_IDE3_lock db 0 +ATAPI_IDE4_lock db 0 +ATAPI_IDE5_lock db 0 +ATAPI_IDE6_lock db 0 +ATAPI_IDE7_lock db 0 +ATAPI_IDE8_lock db 0 +ATAPI_IDE9_lock db 0 +ATAPI_IDE10_lock db 0 +ATAPI_IDE11_lock db 0 ignore_CD_eject_wait db 0 endg +;----------------------------------------------------------------------------- ;************************************************* ;* Получить сообщение о событии или состоянии * ;* устройства * @@ -899,7 +1173,7 @@ GetEvent_StatusNotification: call SendPacketDatCommand popa ret - +;----------------------------------------------------------------------------- ;************************************************* ; прочитать информацию из TOC ;* Входные параметры передаются через глобальные * @@ -924,7 +1198,7 @@ Read_TOC: call SendPacketDatCommand popa ret - +;----------------------------------------------------------------------------- ;************************************************* ;* ОПРЕДЕЛИТЬ ОБЩЕЕ КОЛИЧЕСТВО СЕКТОРОВ НА ДИСКЕ * ;* Входные параметры передаются через глобальные * @@ -944,10 +1218,11 @@ Read_TOC: ; call SendPacketDatCommand ; popa ; ret - +;----------------------------------------------------------------------------- clear_packet_buffer: ; Очистить буфер пакетной команды and [PacketCommand], dword 0 and [PacketCommand+4], dword 0 and [PacketCommand+8], dword 0 ret +;----------------------------------------------------------------------------- diff --git a/kernel/trunk/blkdev/cdrom.inc b/kernel/trunk/blkdev/cdrom.inc deleted file mode 100644 index bb5ab9ea5a..0000000000 --- a/kernel/trunk/blkdev/cdrom.inc +++ /dev/null @@ -1,271 +0,0 @@ -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; ;; -;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; -;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; -;; Distributed under terms of the GNU General Public License ;; -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; - -$Revision$ - - -sys_cd_audio: - - cmp word [cdbase], word 0 - jnz @f - mov eax, 1 - ret - @@: - - ; eax=1 cdplay at ebx 0x00FFSSMM - ; eax=2 get tracklist size of ecx to [ebx] - ; eax=3 stop/pause playing - - cmp eax, 1 - jnz nocdp - call sys_cdplay - ret - nocdp: - - cmp eax, 2 - jnz nocdtl - mov edi, [TASK_BASE] - add edi, TASKDATA.mem_start - add ebx, [edi] - call sys_cdtracklist - ret - nocdtl: - - cmp eax, 3 - jnz nocdpause - call sys_cdpause - ret - nocdpause: - - mov eax, 0xffffff01 - ret - - - -sys_cd_atapi_command: - - pushad - - mov dx, word [cdbase] - add dx, 6 - mov ax, word [cdid] - out dx, al - mov esi, 10 - call delay_ms - mov dx, word [cdbase] - add dx, 7 - in al, dx - and al, 0x80 - cmp al, 0 - jnz res - jmp cdl6 - res: - mov dx, word [cdbase] - add dx, 7 - mov al, 0x8 - out dx, al - mov dx, word [cdbase] - add dx, 0x206 - mov al, 0xe - out dx, al - mov esi, 1 - call delay_ms - mov dx, word [cdbase] - add dx, 0x206 - mov al, 0x8 - out dx, al - mov esi, 30 - call delay_ms - xor cx, cx - cdl5: - inc cx - cmp cx, 10 - jz cdl6 - mov dx, word [cdbase] - add dx, 7 - in al, dx - and al, 0x88 - cmp al, 0x00 - jz cdl5 - mov esi, 100 - call delay_ms - jmp cdl5 - cdl6: - mov dx, word [cdbase] - add dx, 4 - mov al, 0 - out dx, al - mov dx, word [cdbase] - add dx, 5 - mov al, 0 - out dx, al - mov dx, word [cdbase] - add dx, 7 - mov al, 0xec - out dx, al - mov esi, 5 - call delay_ms - mov dx, word [cdbase] - add dx, 1 - mov al, 0 - out dx, al - add dx, 1 - mov al, 0 - out dx, al - add dx, 1 - mov al, 0 - out dx, al - add dx, 1 - mov al, 0 - out dx, al - add dx, 1 - mov al, 128 - out dx, al - add dx, 2 - mov al, 0xa0 - out dx, al - xor cx, cx - mov dx, word [cdbase] - add dx, 7 - cdl1: - inc cx - cmp cx, 100 - jz cdl2 - in al, dx - and ax, 0x88 - cmp al, 0x8 - jz cdl2 - mov esi, 2 - call delay_ms - jmp cdl1 - cdl2: - - popad - ret - - -sys_cdplay: - - mov ax, 5 - push ax - push ebx - cdplay: - call sys_cd_atapi_command - cli - mov dx, word [cdbase] - mov ax, 0x0047 - out dx, ax - mov al, 1 - mov ah, [esp+0]; min xx - out dx, ax - mov ax, [esp+1]; fr sec - out dx, ax - mov ax, 256+99 - out dx, ax - mov ax, 0x0001 - out dx, ax - mov ax, 0x0000 - out dx, ax - mov esi, 10 - call delay_ms - sti - add dx, 7 - in al, dx - test al, 1 - jz cdplayok - mov ax, [esp+4] - dec ax - mov [esp+4], ax - cmp ax, 0 - jz cdplayfail - jmp cdplay - cdplayfail: - cdplayok: - pop ebx - pop ax - xor eax, eax - ret - - -sys_cdtracklist: - - push ebx - tcdplay: - call sys_cd_atapi_command - mov dx, word [cdbase] - mov ax, 0x43+2*256 - out dx, ax - mov ax, 0x0 - out dx, ax - mov ax, 0x0 - out dx, ax - mov ax, 0x0 - out dx, ax - mov ax, 200 - out dx, ax - mov ax, 0x0 - out dx, ax - in al, dx - mov cx, 1000 - mov dx, word [cdbase] - add dx, 7 - cld - cdtrnwewait: - mov esi, 10 - call delay_ms - in al, dx - and al, 128 - cmp al, 0 - jz cdtrl1 - loop cdtrnwewait - cdtrl1: - ; read the result - mov ecx, [esp+0] - mov dx, word [cdbase] - cdtrread: - add dx, 7 - in al, dx - and al, 8 - cmp al, 8 - jnz cdtrdone - sub dx, 7 - in ax, dx - mov [ecx], ax - add ecx, 2 - jmp cdtrread - cdtrdone: - pop ecx - xor eax, eax - ret - - -sys_cdpause: - - call sys_cd_atapi_command - - mov dx, word [cdbase] - mov ax, 0x004B - out dx, ax - mov ax, 0 - out dx, ax - mov ax, 0 - out dx, ax - mov ax, 0 - out dx, ax - mov ax, 0 - out dx, ax - mov ax, 0 - out dx, ax - - mov esi, 10 - call delay_ms - add dx, 7 - in al, dx - - xor eax, eax - ret - diff --git a/kernel/trunk/blkdev/hd_drv.inc b/kernel/trunk/blkdev/hd_drv.inc index 6dded9eaff..b93f58c5e4 100644 --- a/kernel/trunk/blkdev/hd_drv.inc +++ b/kernel/trunk/blkdev/hd_drv.inc @@ -17,7 +17,7 @@ hdbase dd ? hdid dd ? hdpos dd ? ends - +;----------------------------------------------------------------------------- iglobal align 4 ide_callbacks: @@ -35,18 +35,34 @@ hd0_data HD_DATA ?, 0, 1 hd1_data HD_DATA ?, 0x10, 2 hd2_data HD_DATA ?, 0, 3 hd3_data HD_DATA ?, 0x10, 4 +hd4_data HD_DATA ?, 0, 5 +hd5_data HD_DATA ?, 0x10, 6 +hd6_data HD_DATA ?, 0, 7 +hd7_data HD_DATA ?, 0x10, 8 +hd8_data HD_DATA ?, 0, 9 +hd9_data HD_DATA ?, 0x10, 10 +hd10_data HD_DATA ?, 0, 11 +hd11_data HD_DATA ?, 0x10, 12 -hd_address_table: - dd 0x1f0, 0x00, 0x1f0, 0x10 - dd 0x170, 0x00, 0x170, 0x10 +ide_mutex_table: + dd ide_channel1_mutex + dd ide_channel2_mutex + dd ide_channel3_mutex + dd ide_channel4_mutex + dd ide_channel5_mutex + dd ide_channel6_mutex endg - +;----------------------------------------------------------------------------- uglobal ide_mutex MUTEX ide_channel1_mutex MUTEX ide_channel2_mutex MUTEX +ide_channel3_mutex MUTEX +ide_channel4_mutex MUTEX +ide_channel5_mutex MUTEX +ide_channel6_mutex MUTEX endg - +;----------------------------------------------------------------------------- proc ide_read stdcall uses edi, \ hd_data, buffer, startsector:qword, numsectors ; hd_data = pointer to hd*_data @@ -67,15 +83,13 @@ endl ; 2. Acquire the global lock. mov ecx, ide_mutex call mutex_lock - mov ecx, ide_channel2_mutex - mov eax, [hd_data] - push ecx - mov ecx, [hd_address_table] - cmp [eax+HD_DATA.hdbase], ecx ; 0x1F0 - pop ecx - jne .IDE_Channel_2 - mov ecx, ide_channel1_mutex -.IDE_Channel_2: + + mov ecx, [hd_data] + mov ecx, [ecx+HD_DATA.hdpos] + dec ecx + shr ecx, 1 + shl ecx, 2 + mov ecx, [ecx + ide_mutex_table] mov [channel_lock], ecx call mutex_lock ; 3. Convert parameters to the form suitable for worker procedures. @@ -83,6 +97,7 @@ endl ; Worker procedures use global variables and edi for [buffer]. cmp dword [startsector+4], 0 jnz .fail + and [hd_error], 0 mov ecx, [hd_data] mov eax, [ecx+HD_DATA.hdbase] @@ -98,55 +113,51 @@ endl ; DMA read is permitted if [allow_dma_access]=1 or 2 cmp [allow_dma_access], 2 ja .nodma - cmp [dma_hdd], 1 - jnz .nodma -;-------------------------------------- - push eax - mov eax, [hd_address_table] - cmp [hdbase], eax ; 0x1F0 - pop eax - jnz @f - test [DRIVE_DATA+1], byte 10100000b + cmp [ecx+IDE_DATA.dma_hdd], 1 jnz .nodma - jmp .dma -@@: - test [DRIVE_DATA+1], byte 1010b - jnz .nodma -.dma: -;-------------------------------------- call hd_read_dma jmp @f +;-------------------------------------- .nodma: call hd_read_pio +;-------------------------------------- @@: cmp [hd_error], 0 jnz .fail + mov ecx, [numsectors] inc dword [ecx] ; one more sector is read dec [sectors_todo] jz .done + inc eax jnz .sectors_loop +;-------------------------------------- ; 5. Loop is done, either due to error or because everything is done. ; Release the global lock and return the corresponding status. .fail: mov ecx, [channel_lock] call mutex_unlock + mov ecx, ide_mutex call mutex_unlock + or eax, -1 ret +;-------------------------------------- .done: mov ecx, [channel_lock] call mutex_unlock + mov ecx, ide_mutex call mutex_unlock + xor eax, eax ret endp - +;----------------------------------------------------------------------------- proc ide_write stdcall uses esi edi, \ hd_data, buffer, startsector:qword, numsectors ; hd_data = pointer to hd*_data @@ -167,15 +178,13 @@ endl ; 2. Acquire the global lock. mov ecx, ide_mutex call mutex_lock - mov ecx, ide_channel2_mutex - mov eax, [hd_data] - push ecx - mov ecx, [hd_address_table] - cmp [eax+HD_DATA.hdbase], ecx ; 0x1F0 - pop ecx - jne .IDE_Channel_2 - mov ecx, ide_channel1_mutex -.IDE_Channel_2: + + mov ecx, [hd_data] + mov ecx, [ecx+HD_DATA.hdpos] + dec ecx + shr ecx, 1 + shl ecx, 2 + mov ecx, [ecx + ide_mutex_table] mov [channel_lock], ecx call mutex_lock ; 3. Convert parameters to the form suitable for worker procedures. @@ -183,6 +192,7 @@ endl ; Worker procedures use global variables and esi for [buffer]. cmp dword [startsector+4], 0 jnz .fail + and [hd_error], 0 mov ecx, [hd_data] mov eax, [ecx+HD_DATA.hdbase] @@ -200,66 +210,65 @@ endl mov ecx, 16 cmp ecx, [sectors_todo] jbe @f + mov ecx, [sectors_todo] +;-------------------------------------- @@: mov [cache_chain_size], cl ; DMA write is permitted only if [allow_dma_access]=1 cmp [allow_dma_access], 2 jae .nodma - cmp [dma_hdd], 1 - jnz .nodma -;-------------------------------------- - push eax - mov eax, [hd_address_table] - cmp [hdbase], eax ; 0x1F0 - pop eax - jnz @f - test [DRIVE_DATA+1], byte 10100000b + cmp [ecx+IDE_DATA.dma_hdd], 1 jnz .nodma - jmp .dma -@@: - test [DRIVE_DATA+1], byte 1010b - jnz .nodma -.dma: -;-------------------------------------- call cache_write_dma jmp .common +;-------------------------------------- .nodma: mov [cache_chain_size], 1 call cache_write_pio +;-------------------------------------- .common: cmp [hd_error], 0 jnz .fail + movzx ecx, [cache_chain_size] mov eax, [numsectors] add [eax], ecx sub [sectors_todo], ecx jz .done + add [edi], ecx jc .fail + shl ecx, 9 add esi, ecx jmp .sectors_loop +;-------------------------------------- ; 5. Loop is done, either due to error or because everything is done. ; Release the global lock and return the corresponding status. .fail: mov ecx, [channel_lock] call mutex_unlock + mov ecx, ide_mutex call mutex_unlock + or eax, -1 ret +;-------------------------------------- .done: mov ecx, [channel_lock] call mutex_unlock + mov ecx, ide_mutex call mutex_unlock + xor eax, eax ret endp - +;----------------------------------------------------------------------------- ; This is a stub. proc ide_querymedia stdcall, hd_data, mediainfo mov eax, [mediainfo] @@ -270,14 +279,12 @@ proc ide_querymedia stdcall, hd_data, mediainfo xor eax, eax ret endp - ;----------------------------------------------------------------------------- align 4 ; input: eax = sector, edi -> buffer ; output: edi = edi + 512 hd_read_pio: push eax edx - ; Select the desired drive mov edx, [hdbase] add edx, 6 ;адрес регистра головок @@ -286,9 +293,9 @@ hd_read_pio: out dx, al; номер головки/номер диска call wait_for_hd_idle + cmp [hd_error], 0 jne hd_read_error - ; ATA with 28 or 48 bit for sector number? mov eax, [esp+4] cmp eax, 0x10000000 @@ -372,7 +379,6 @@ hd_read_pio: pushfd cli - mov ecx, 256 mov edx, [hdbase] cld @@ -393,6 +399,7 @@ cache_write_pio: out dx, al ; номер головки/номер диска call wait_for_hd_idle + cmp [hd_error], 0 jne hd_write_error @@ -550,13 +557,14 @@ wait_for_hd_idle: align 4 wfhil1: call check_hd_wait_timeout + cmp [hd_error], 0 jne @f in al, dx test al, 128 jnz wfhil1 - +;-------------------------------------- @@: pop edx eax ret @@ -573,6 +581,7 @@ wait_for_sector_buffer: align 4 hdwait_sbuf: ; wait for sector buffer to be ready call check_hd_wait_timeout + cmp [hd_error], 0 jne @f @@ -587,9 +596,10 @@ hdwait_sbuf: ; wait for sector buffer to be ready test al, 1 ; previous command ended up with an error jz buf_wait_ok +;-------------------------------------- @@: mov [hd_error], 1 - +;-------------------------------------- buf_wait_ok: pop edx eax ret @@ -606,22 +616,17 @@ wait_for_sector_dma_ide0: align 4 .wait: call change_task + cmp [IDE_common_irq_param], 0 jz .done call check_hd_wait_timeout + cmp [hd_error], 0 jz .wait -; clear Bus Master IDE Command register - pushfd - cli + mov [IDE_common_irq_param], 0 - mov dx, [IDEContrRegsBaseAddr] - mov al, 0 - out dx, al - popfd ;-------------------------------------- -align 4 .done: pop edx pop eax @@ -636,23 +641,17 @@ wait_for_sector_dma_ide1: align 4 .wait: call change_task + cmp [IDE_common_irq_param], 0 jz .done call check_hd_wait_timeout + cmp [hd_error], 0 jz .wait -; clear Bus Master IDE Command register - pushfd - cli + mov [IDE_common_irq_param], 0 - mov dx, [IDEContrRegsBaseAddr] - add dx, 8 - mov al, 0 - out dx, al - popfd ;-------------------------------------- -align 4 .done: pop edx pop eax @@ -660,7 +659,8 @@ align 4 ;----------------------------------------------------------------------------- iglobal align 4 -; note that IDE descriptor table must be 4-byte aligned and do not cross 4K boundary +; note that IDE descriptor table must be 4-byte aligned +; and do not cross 4K boundary IDE_descriptor_table: dd IDE_DMA dw 0x2000 @@ -673,14 +673,8 @@ endg ;----------------------------------------------------------------------------- uglobal ; all uglobals are zeroed at boot -dma_process dd 0 -dma_slot_ptr dd 0 -cache_chain_pos dd 0 cache_chain_ptr dd 0 cache_chain_size db 0 -cache_chain_started db 0 -dma_task_switched db 0 -dma_hdd db 0 allow_dma_access db 0 endg ;----------------------------------------------------------------------------- @@ -693,7 +687,8 @@ IDE_irq_14_handler: cli pushad mov [IDE_common_irq_param], 0 - mov dx, [IDEContrRegsBaseAddr] + mov ecx, [IDE_controller_pointer] + mov dx, [ecx+IDE_DATA.RegsBaseAddres] ; test whether it is our interrupt? add edx, 2 in al, dx @@ -715,12 +710,10 @@ IDE_irq_14_handler: mov al, 1 ret ;-------------------------------------- -align 4 @@: popad popfd ;-------------------------------------- -align 4 .exit: mov al, 0 ret @@ -734,7 +727,8 @@ IDE_irq_15_handler: cli pushad mov [IDE_common_irq_param], 0 - mov dx, [IDEContrRegsBaseAddr] + mov ecx, [IDE_controller_pointer] + mov dx, [ecx+IDE_DATA.RegsBaseAddres] add dx, 8 ; test whether it is our interrupt? add edx, 2 @@ -757,12 +751,10 @@ IDE_irq_15_handler: mov al, 1 ret ;-------------------------------------- -align 4 @@: popad popfd ;-------------------------------------- -align 4 .exit: mov al, 0 ret @@ -776,7 +768,8 @@ IDE_common_irq_handler: cli pushad xor ebx, ebx - mov dx, [IDEContrRegsBaseAddr] + mov ecx, [IDE_controller_pointer] + mov dx, [ecx+IDE_DATA.RegsBaseAddres] mov eax, IDE_common_irq_param cmp [eax], irq14_num mov [eax], bl @@ -784,7 +777,6 @@ IDE_common_irq_handler: add dx, 8 ;-------------------------------------- -align 4 @@: ; test whether it is our interrupt? add edx, 2 @@ -807,12 +799,10 @@ align 4 mov al, 1 ret ;-------------------------------------- -align 4 @@: popad popfd ;-------------------------------------- -align 4 .exit: mov al, 0 ret @@ -824,26 +814,31 @@ hd_read_dma: mov edx, [dma_hdpos] cmp edx, [hdpos] jne .notread + mov edx, [dma_cur_sector] cmp eax, edx jb .notread + add edx, 15 cmp [esp+4], edx ja .notread + mov eax, [esp+4] sub eax, [dma_cur_sector] shl eax, 9 add eax, (OS_BASE+IDE_DMA) + push ecx esi mov esi, eax - mov ecx, 512/4 cld rep movsd pop esi ecx + pop edx pop eax ret +;-------------------------------------- .notread: ; set data for PRD Table mov eax, IDE_descriptor_table @@ -851,13 +846,24 @@ hd_read_dma: mov word [eax+4], 0x2000 sub eax, OS_BASE ; select controller Primary or Secondary - mov dx, [IDEContrRegsBaseAddr] +; mov ecx,[IDE_controller_pointer] + mov ecx, [hdpos] + dec ecx + shr ecx, 2 + imul ecx, sizeof.IDE_DATA + add ecx, IDE_controller_1 + mov [IDE_controller_pointer], ecx + mov dx, [ecx+IDE_DATA.RegsBaseAddres] + push eax - mov eax, [hd_address_table] - cmp [hdbase], eax ; 0x1F0 + mov eax, [hdpos] + dec eax + test eax, 10b pop eax jz @f + add edx, 8 +;-------------------------------------- @@: push edx ; Bus Master IDE PRD Table Address @@ -881,9 +887,9 @@ hd_read_dma: out dx, al ; номер головки/номер диска call wait_for_hd_idle + cmp [hd_error], 0 jnz hd_read_error - ; ATA with 28 or 48 bit for sector number? mov eax, [esp+4] ; -10h because the PreCache hits the boundary between lba28 and lba48 @@ -961,47 +967,55 @@ hd_read_dma: ;-------------------------------------- .continue: ; select controller Primary or Secondary - mov dx, [IDEContrRegsBaseAddr] - mov eax, [hd_address_table] - cmp [hdbase], eax ; 0x1F0 + mov ecx, [IDE_controller_pointer] + mov dx, [ecx+IDE_DATA.RegsBaseAddres] + + mov eax, [hdpos] + dec eax + test eax, 10b jz @f + add dx, 8 +;-------------------------------------- @@: ; set write to memory and Start Bus Master mov al, 9 out dx, al - mov eax, [CURRENT_TASK] - mov [dma_process], eax - - mov eax, [TASK_BASE] - mov [dma_slot_ptr], eax - - mov eax, [hd_address_table] - cmp [hdbase], eax ; 0x1F0 + mov eax, [hdpos] + dec eax + test eax, 10b jnz .ide1 mov [IDE_common_irq_param], irq14_num jmp @f +;-------------------------------------- .ide1: mov [IDE_common_irq_param], irq15_num +;-------------------------------------- @@: popfd ; wait for interrupt - mov eax, [hd_address_table] - cmp [hdbase], eax ; 0x1F0 + mov eax, [hdpos] + dec eax + test eax, 10b jnz .wait_ide1 + call wait_for_sector_dma_ide0 jmp @f +;-------------------------------------- .wait_ide1: call wait_for_sector_dma_ide1 +;-------------------------------------- @@: cmp [hd_error], 0 jnz hd_read_error + mov eax, [hdpos] mov [dma_hdpos], eax pop edx pop eax + mov [dma_cur_sector], eax jmp hd_read_dma ;----------------------------------------------------------------------------- @@ -1011,6 +1025,7 @@ cache_write_dma: ; set data for PRD Table mov eax, IDE_descriptor_table mov edx, eax + pusha mov edi, (OS_BASE+IDE_DMA) mov dword [edx], IDE_DMA @@ -1021,15 +1036,27 @@ cache_write_dma: cld rep movsd popa + sub eax, OS_BASE ; select controller Primary or Secondary - mov dx, [IDEContrRegsBaseAddr] +; mov ecx,[IDE_controller_pointer] + mov ecx, [hdpos] + dec ecx + shr ecx, 2 + imul ecx, sizeof.IDE_DATA + add ecx, IDE_controller_1 + mov [IDE_controller_pointer], ecx + mov dx, [ecx+IDE_DATA.RegsBaseAddres] + push eax - mov eax, [hd_address_table] - cmp [hdbase], eax ; 0x1F0 + mov eax, [hdpos] + dec eax + test eax, 10b pop eax jz @f + add edx, 8 +;-------------------------------------- @@: push edx ; Bus Master IDE PRD Table Address @@ -1053,9 +1080,9 @@ cache_write_dma: out dx, al ; номер головки/номер диска call wait_for_hd_idle + cmp [hd_error], 0 jnz hd_write_error_dma - ; ATA with 28 or 48 bit for sector number? mov esi, [cache_chain_ptr] mov eax, [esi] @@ -1134,69 +1161,73 @@ cache_write_dma: ;-------------------------------------- .continue: ; select controller Primary or Secondary - mov dx, [IDEContrRegsBaseAddr] - mov eax, [hd_address_table] - cmp [hdbase], eax ; 0x1F0 + mov ecx, [IDE_controller_pointer] + mov dx, [ecx+IDE_DATA.RegsBaseAddres] + + mov eax, [hdpos] + dec eax + test eax, 10b jz @f + add dx, 8 +;-------------------------------------- @@: ; set write to device and Start Bus Master mov al, 1 out dx, al - mov eax, [CURRENT_TASK] - mov [dma_process], eax - mov eax, [TASK_BASE] - mov [dma_slot_ptr], eax - mov eax, [hd_address_table] - cmp [hdbase], eax ; 0x1F0 + + mov eax, [hdpos] + dec eax + test eax, 10b jnz .ide1 mov [IDE_common_irq_param], irq14_num jmp @f +;-------------------------------------- .ide1: mov [IDE_common_irq_param], irq15_num +;-------------------------------------- @@: popfd ; wait for interrupt mov [dma_cur_sector], not 0x40 - mov eax, [hd_address_table] - cmp [hdbase], eax ; 0x1F0 + + mov eax, [hdpos] + dec eax + test eax, 10b jnz .wait_ide1 + call wait_for_sector_dma_ide0 + jmp @f +;-------------------------------------- .wait_ide1: call wait_for_sector_dma_ide1 +;-------------------------------------- @@: cmp [hd_error], 0 jnz hd_write_error_dma pop esi ret ;----------------------------------------------------------------------------- -uglobal -align 4 -IDEContrProgrammingInterface dd ? -IDE_Interrupt dw ? -IDEContrRegsBaseAddr dw ? -IDE_BAR0_val dw ? -IDE_BAR1_val dw ? -IDE_BAR2_val dw ? -IDE_BAR3_val dw ? -endg -;----------------------------------------------------------------------------- - proc clear_pci_ide_interrupts mov esi, pcidev_list +;-------------------------------------- +align 4 .loop: mov esi, [esi+PCIDEV.fd] cmp esi, pcidev_list jz .done + cmp [esi+PCIDEV.class], 0x01018F jnz .loop + mov ah, [esi+PCIDEV.bus] mov al, 2 mov bh, [esi+PCIDEV.devfn] mov bl, 0x20 call pci_read_reg + and eax, 0FFFCh mov edx, eax add edx, 2 @@ -1212,6 +1243,8 @@ proc clear_pci_ide_interrupts in al, dx DEBUGF 1,'-> %x\n',al jmp .loop +;-------------------------------------- .done: ret endp +;----------------------------------------------------------------------------- diff --git a/kernel/trunk/blkdev/ide_cache.inc b/kernel/trunk/blkdev/ide_cache.inc index 36c6efaf03..a84857467a 100644 --- a/kernel/trunk/blkdev/ide_cache.inc +++ b/kernel/trunk/blkdev/ide_cache.inc @@ -41,53 +41,29 @@ find_empty_slot_CD_cache: ret ;-------------------------------------------------------------------- clear_CD_cache: + DEBUGF 1, 'K : clear_CD_cache\n' pusha -.ide0: + + mov esi, [cdpos] + dec esi + imul esi, sizeof.IDE_CACHE + add esi, cache_ide0 + xor eax, eax - cmp [cdpos], 1 - jne .ide1 - mov [cache_ide0_search_start], eax - mov ecx, [cache_ide0_system_sad_size] - mov edi, [cache_ide0_pointer] + + mov [esi+IDE_CACHE.search_start], eax + mov ecx, [esi+IDE_CACHE.system_sad_size] + mov edi, [esi+IDE_CACHE.pointer] call .clear - mov [cache_ide0_appl_search_start], eax - mov ecx, [cache_ide0_appl_sad_size] - mov edi, [cache_ide0_data_pointer] - jmp .continue -.ide1: - cmp [cdpos], 2 - jne .ide2 - mov [cache_ide1_search_start], eax - mov ecx, [cache_ide1_system_sad_size] - mov edi, [cache_ide1_pointer] - call .clear - mov [cache_ide1_appl_search_start], eax - mov ecx, [cache_ide1_appl_sad_size] - mov edi, [cache_ide1_data_pointer] - jmp .continue -.ide2: - cmp [cdpos], 3 - jne .ide3 - mov [cache_ide2_search_start], eax - mov ecx, [cache_ide2_system_sad_size] - mov edi, [cache_ide2_pointer] - call .clear - mov [cache_ide2_appl_search_start], eax - mov ecx, [cache_ide2_appl_sad_size] - mov edi, [cache_ide2_data_pointer] - jmp .continue -.ide3: - mov [cache_ide3_search_start], eax - mov ecx, [cache_ide3_system_sad_size] - mov edi, [cache_ide3_pointer] - call .clear - mov [cache_ide3_appl_search_start], eax - mov ecx, [cache_ide3_appl_sad_size] - mov edi, [cache_ide3_data_pointer] -.continue: + + mov [esi+IDE_CACHE.appl_search_start], eax + mov ecx, [esi+IDE_CACHE.appl_sad_size] + mov edi, [esi+IDE_CACHE.data_pointer] call .clear + popa ret +;-------------------------------------- .clear: shl ecx, 1 cld @@ -96,272 +72,131 @@ clear_CD_cache: ;-------------------------------------------------------------------- align 4 cd_calculate_cache: -; 1 - IDE0 ... 4 - IDE3 -.ide0: - cmp [cdpos], 1 - jne .ide1 +; 1 - IDE0 ... 12 - IDE11 + push eax + + mov eax, [cdpos] + dec eax + imul eax, sizeof.IDE_CACHE + add eax, cache_ide0 + cmp [cd_appl_data], 0 - jne .ide0_appl_data - mov ecx, [cache_ide0_system_sad_size] - mov esi, [cache_ide0_pointer] + jne @f + + mov ecx, [eax+IDE_CACHE.system_sad_size] + mov esi, [eax+IDE_CACHE.pointer] + pop eax ret -.ide0_appl_data: - mov ecx, [cache_ide0_appl_sad_size] - mov esi, [cache_ide0_data_pointer] - ret -.ide1: - cmp [cdpos], 2 - jne .ide2 - cmp [cd_appl_data], 0 - jne .ide1_appl_data - mov ecx, [cache_ide1_system_sad_size] - mov esi, [cache_ide1_pointer] - ret -.ide1_appl_data: - mov ecx, [cache_ide1_appl_sad_size] - mov esi, [cache_ide1_data_pointer] - ret -.ide2: - cmp [cdpos], 3 - jne .ide3 - cmp [cd_appl_data], 0 - jne .ide2_appl_data - mov ecx, [cache_ide2_system_sad_size] - mov esi, [cache_ide2_pointer] - ret -.ide2_appl_data: - mov ecx, [cache_ide2_appl_sad_size] - mov esi, [cache_ide2_data_pointer] - ret -.ide3: - cmp [cd_appl_data], 0 - jne .ide3_appl_data - mov ecx, [cache_ide3_system_sad_size] - mov esi, [cache_ide3_pointer] - ret -.ide3_appl_data: - mov ecx, [cache_ide3_appl_sad_size] - mov esi, [cache_ide3_data_pointer] +;-------------------------------------- +@@: + mov ecx, [eax+IDE_CACHE.appl_sad_size] + mov esi, [eax+IDE_CACHE.data_pointer] + pop eax ret ;-------------------------------------------------------------------- align 4 cd_calculate_cache_1: -; 1 - IDE0 ... 4 - IDE3 -.ide0: - cmp [cdpos], 1 - jne .ide1 +; 1 - IDE0 ... 12 - IDE11 + push eax + + mov eax, [cdpos] + dec eax + imul eax, sizeof.IDE_CACHE + add eax, cache_ide0 + cmp [cd_appl_data], 0 - jne .ide0_appl_data - mov esi, [cache_ide0_pointer] + jne @f + + mov esi, [eax+IDE_CACHE.pointer] + pop eax ret -.ide0_appl_data: - mov esi, [cache_ide0_data_pointer] - ret -.ide1: - cmp [cdpos], 2 - jne .ide2 - cmp [cd_appl_data], 0 - jne .ide1_appl_data - mov esi, [cache_ide1_pointer] - ret -.ide1_appl_data: - mov esi, [cache_ide1_data_pointer] - ret -.ide2: - cmp [cdpos], 3 - jne .ide3 - cmp [cd_appl_data], 0 - jne .ide2_appl_data - mov esi, [cache_ide2_pointer] - ret -.ide2_appl_data: - mov esi, [cache_ide2_data_pointer] - ret -.ide3: - cmp [cd_appl_data], 0 - jne .ide3_appl_data - mov esi, [cache_ide3_pointer] - ret -.ide3_appl_data: - mov esi, [cache_ide3_data_pointer] +;-------------------------------------- +@@: + mov esi, [eax+IDE_CACHE.data_pointer] + pop eax ret ;-------------------------------------------------------------------- align 4 cd_calculate_cache_2: -; 1 - IDE0 ... 4 - IDE3 -.ide0: - cmp [cdpos], 1 - jne .ide1 +; 1 - IDE0 ... 12 - IDE11 + mov eax, [cdpos] + dec eax + imul eax, sizeof.IDE_CACHE + add eax, cache_ide0 + cmp [cd_appl_data], 0 - jne .ide0_appl_data - mov eax, [cache_ide0_system_data] + jne @f + + mov eax, [eax+IDE_CACHE.system_data] ret -.ide0_appl_data: - mov eax, [cache_ide0_appl_data] - ret -.ide1: - cmp [cdpos], 2 - jne .ide2 - cmp [cd_appl_data], 0 - jne .ide1_appl_data - mov eax, [cache_ide1_system_data] - ret -.ide1_appl_data: - mov eax, [cache_ide1_appl_data] - ret -.ide2: - cmp [cdpos], 3 - jne .ide3 - cmp [cd_appl_data], 0 - jne .ide2_appl_data - mov eax, [cache_ide2_system_data] - ret -.ide2_appl_data: - mov eax, [cache_ide2_appl_data] - ret -.ide3: - cmp [cd_appl_data], 0 - jne .ide3_appl_data - mov eax, [cache_ide3_system_data] - ret -.ide3_appl_data: - mov eax, [cache_ide3_appl_data] +;-------------------------------------- +@@: + mov eax, [eax+IDE_CACHE.appl_data] ret ;-------------------------------------------------------------------- align 4 cd_calculate_cache_3: -; mov ecx,cache_max*10/100 -; mov edi,[cache_search_start] +; 1 - IDE0 ... 12 - IDE11 + push eax + + mov eax, [cdpos] + dec eax + imul eax, sizeof.IDE_CACHE + add eax, cache_ide0 -; 1 - IDE0 ... 4 - IDE3 -.ide0: - cmp [cdpos], 1 - jne .ide1 cmp [cd_appl_data], 0 - jne .ide0_appl_data - mov edi, [cache_ide0_search_start] + jne @f + + mov edi, [eax+IDE_CACHE.search_start] + pop eax ret -.ide0_appl_data: - mov edi, [cache_ide0_appl_search_start] - ret -.ide1: - cmp [cdpos], 2 - jne .ide2 - cmp [cd_appl_data], 0 - jne .ide1_appl_data - mov edi, [cache_ide1_search_start] - ret -.ide1_appl_data: - mov edi, [cache_ide1_appl_search_start] - ret -.ide2: - cmp [cdpos], 3 - jne .ide3 - cmp [cd_appl_data], 0 - jne .ide2_appl_data - mov edi, [cache_ide2_search_start] - ret -.ide2_appl_data: - mov edi, [cache_ide2_appl_search_start] - ret -.ide3: - cmp [cd_appl_data], 0 - jne .ide3_appl_data - mov edi, [cache_ide3_search_start] - ret -.ide3_appl_data: - mov edi, [cache_ide3_appl_search_start] +;-------------------------------------- +@@: + mov edi, [eax+IDE_CACHE.appl_search_start] + pop eax ret ;-------------------------------------------------------------------- align 4 cd_calculate_cache_4: -; cmp edi,cache_max -; 1 - IDE0 ... 4 - IDE3 -.ide0: - cmp [cdpos], 1 - jne .ide1 +; 1 - IDE0 ... 12 - IDE11 + push eax + + mov eax, [cdpos] + dec eax + imul eax, sizeof.IDE_CACHE + add eax, cache_ide0 + cmp [cd_appl_data], 0 - jne .ide0_appl_data - cmp edi, [cache_ide0_system_sad_size] + jne @f + + cmp edi, [eax+IDE_CACHE.system_sad_size] + pop eax ret -.ide0_appl_data: - cmp edi, [cache_ide0_appl_sad_size] - ret -.ide1: - cmp [cdpos], 2 - jne .ide2 - cmp [cd_appl_data], 0 - jne .ide1_appl_data - cmp edi, [cache_ide1_system_sad_size] - ret -.ide1_appl_data: - cmp edi, [cache_ide1_appl_sad_size] - ret -.ide2: - cmp [cdpos], 3 - jne .ide3 - cmp [cd_appl_data], 0 - jne .ide2_appl_data - cmp edi, [cache_ide2_system_sad_size] - ret -.ide2_appl_data: - cmp edi, [cache_ide2_appl_sad_size] - ret -.ide3: - cmp [cd_appl_data], 0 - jne .ide3_appl_data - cmp edi, [cache_ide3_system_sad_size] - ret -.ide3_appl_data: - cmp edi, [cache_ide3_appl_sad_size] +;-------------------------------------- +@@: + cmp edi, [eax+IDE_CACHE.appl_sad_size] + pop eax ret ;-------------------------------------------------------------------- align 4 cd_calculate_cache_5: -; mov [cache_search_start],edi -; 1 - IDE0 ... 4 - IDE3 -.ide0: - cmp [cdpos], 1 - jne .ide1 +; 1 - IDE0 ... 12 - IDE11 + push eax + + mov eax, [cdpos] + dec eax + imul eax, sizeof.IDE_CACHE + add eax, cache_ide0 + cmp [cd_appl_data], 0 - jne .ide0_appl_data - mov [cache_ide0_search_start], edi + jne @f + + mov [eax+IDE_CACHE.search_start], edi + pop eax ret -.ide0_appl_data: - mov [cache_ide0_appl_search_start], edi - ret -.ide1: - cmp [cdpos], 2 - jne .ide2 - cmp [cd_appl_data], 0 - jne .ide1_appl_data - mov [cache_ide1_search_start], edi - ret -.ide1_appl_data: - mov [cache_ide1_appl_search_start], edi - ret -.ide2: - cmp [cdpos], 3 - jne .ide3 - cmp [cd_appl_data], 0 - jne .ide2_appl_data - mov [cache_ide2_search_start], edi - ret -.ide2_appl_data: - mov [cache_ide2_appl_search_start], edi - ret -.ide3: - cmp [cd_appl_data], 0 - jne .ide3_appl_data - mov [cache_ide3_search_start], edi - ret -.ide3_appl_data: - mov [cache_ide3_appl_search_start], edi +;-------------------------------------- +@@: + mov [eax+IDE_CACHE.appl_search_start], edi + pop eax ret ;-------------------------------------------------------------------- -;align 4 -;calculate_linear_to_real: -; shr eax, 12 -; mov eax, [page_tabs+eax*4] -; and eax, 0xFFFFF000 -; ret diff --git a/kernel/trunk/const.inc b/kernel/trunk/const.inc index b6c94636c4..2bdfc519ad 100644 --- a/kernel/trunk/const.inc +++ b/kernel/trunk/const.inc @@ -179,7 +179,7 @@ struct TSS _io_map_1 rb 4096 ends -DRIVE_DATA_SIZE equ 10 +DRIVE_DATA_SIZE equ 16 OS_BASE equ 0x80000000 diff --git a/kernel/trunk/core/sched.inc b/kernel/trunk/core/sched.inc index 4ac17f5098..8939e610c9 100644 --- a/kernel/trunk/core/sched.inc +++ b/kernel/trunk/core/sched.inc @@ -29,8 +29,7 @@ irq0: .nocounter: xor ecx, ecx ; send End Of Interrupt signal call irq_eoi -; btr dword[DONT_SWITCH], 0 -; jc .return + mov bl, SCHEDULE_ANY_PRIORITY call find_next_task jz .return ; if there is only one running process @@ -44,26 +43,10 @@ change_task: pushfd cli pushad -if 0 -; \begin{Mario79} ; <- must be refractoried, if used... - cmp [dma_task_switched], 1 - jne .find_next_task - mov [dma_task_switched], 0 - mov ebx, [dma_process] - cmp [CURRENT_TASK], ebx - je .return - mov edi, [dma_slot_ptr] - mov [CURRENT_TASK], ebx - mov [TASK_BASE], edi - jmp @f -.find_next_task: -; \end{Mario79} -end if mov bl, SCHEDULE_ANY_PRIORITY call find_next_task jz .return ; the same task -> skip switch - @@: -; mov byte[DONT_SWITCH], 1 + call do_change_task .return: popad diff --git a/kernel/trunk/data32.inc b/kernel/trunk/data32.inc index 73d54aa81e..92acbb44ef 100644 --- a/kernel/trunk/data32.inc +++ b/kernel/trunk/data32.inc @@ -493,58 +493,6 @@ BgrDataHeight rd 1 skin_data rd 1 -cache_ide0: -cache_ide0_pointer rd 1 -cache_ide0_size rd 1 ; not use -cache_ide0_data_pointer rd 1 -cache_ide0_system_data_size rd 1 ; not use -cache_ide0_appl_data_size rd 1 ; not use -cache_ide0_system_data rd 1 -cache_ide0_appl_data rd 1 -cache_ide0_system_sad_size rd 1 -cache_ide0_appl_sad_size rd 1 -cache_ide0_search_start rd 1 -cache_ide0_appl_search_start rd 1 - -cache_ide1: -cache_ide1_pointer rd 1 -cache_ide1_size rd 1 ; not use -cache_ide1_data_pointer rd 1 -cache_ide1_system_data_size rd 1 ; not use -cache_ide1_appl_data_size rd 1 ; not use -cache_ide1_system_data rd 1 -cache_ide1_appl_data rd 1 -cache_ide1_system_sad_size rd 1 -cache_ide1_appl_sad_size rd 1 -cache_ide1_search_start rd 1 -cache_ide1_appl_search_start rd 1 - -cache_ide2: -cache_ide2_pointer rd 1 -cache_ide2_size rd 1 ; not use -cache_ide2_data_pointer rd 1 -cache_ide2_system_data_size rd 1 ; not use -cache_ide2_appl_data_size rd 1 ; not use -cache_ide2_system_data rd 1 -cache_ide2_appl_data rd 1 -cache_ide2_system_sad_size rd 1 -cache_ide2_appl_sad_size rd 1 -cache_ide2_search_start rd 1 -cache_ide2_appl_search_start rd 1 - -cache_ide3: -cache_ide3_pointer rd 1 -cache_ide3_size rd 1 ; not use -cache_ide3_data_pointer rd 1 -cache_ide3_system_data_size rd 1 ; not use -cache_ide3_appl_data_size rd 1 ; not use -cache_ide3_system_data rd 1 -cache_ide3_appl_data rd 1 -cache_ide3_system_sad_size rd 1 -cache_ide3_appl_sad_size rd 1 -cache_ide3_search_start rd 1 -cache_ide3_appl_search_start rd 1 - debug_step_pointer rd 1 lba_read_enabled rd 1 ; 0 = disabled , 1 = enabled diff --git a/kernel/trunk/detect/dev_hdcd.inc b/kernel/trunk/detect/dev_hdcd.inc index 13df6dc417..990f362434 100644 --- a/kernel/trunk/detect/dev_hdcd.inc +++ b/kernel/trunk/detect/dev_hdcd.inc @@ -17,44 +17,85 @@ $Revision$ ;**************************************************** ;* ПОИСК HDD и CD * ;**************************************************** - cmp [IDEContrProgrammingInterface], 0 + cmp [ecx+IDE_DATA.ProgrammingInterface], 0 je EndFindHDD FindHDD: + push ecx + + xor ebx, ebx + inc ebx + + cmp ecx, IDE_controller_2 + jne @f + + add bl, 5 + jmp .find +@@: + cmp ecx, IDE_controller_3 + jne .find + + add bl, 10 +;-------------------------------------- +.find: + mov [ChannelNumber], 1 mov [DiskNumber], 0 - call FindHDD_3 + call FindHDD_2 + mov [DiskNumber], 1 - call FindHDD_3 + call FindHDD_2 + inc [ChannelNumber] + mov [DiskNumber], 0 - call FindHDD_3 + call FindHDD_2 + mov [DiskNumber], 1 call FindHDD_1 - jmp EndFindHDD + pop ecx + jmp EndFindHDD +;----------------------------------------------------------------------------- +FindHDD_2: + call FindHDD_1 + shl byte [ebx+DRIVE_DATA], 2 + ret +;----------------------------------------------------------------------------- FindHDD_1: DEBUGF 1, "K : Channel %d ",[ChannelNumber]:2 DEBUGF 1, "Disk %d\n",[DiskNumber]:1 + push ebx call ReadHDD_ID + pop ebx cmp [DevErrorCode], 0 - jne FindHDD_2 + jne .FindCD + cmp [Sector512+6], word 16 - ja FindHDD_2 + ja .FindCD + cmp [Sector512+12], word 255 - ja FindHDD_2 - inc byte [DRIVE_DATA+1] - jmp Print_Device_Name - FindHDD_2: + ja .FindCD + + inc byte [ebx+DRIVE_DATA] + jmp .Print_Device_Name +;-------------------------------------- +.FindCD: + push ebx call DeviceReset + pop ebx cmp [DevErrorCode], 0 - jne FindHDD_2_2 + jne .end + + push ebx call ReadCD_ID + pop ebx cmp [DevErrorCode], 0 - jne FindHDD_2_2 - inc byte [DRIVE_DATA+1] - inc byte [DRIVE_DATA+1] -Print_Device_Name: + jne .end + + add [ebx+DRIVE_DATA], byte 2 +;-------------------------------------- +.Print_Device_Name: pushad pushfd mov esi, Sector512+27*2 @@ -66,33 +107,38 @@ Print_Device_Name: xchg ah, al stosw loop @b - popfd - popad + DEBUGF 1, "K : Dev: %s \n", dev_name xor eax, eax mov ax, [Sector512+64*2] DEBUGF 1, "K : PIO mode possible modes %x\n", al + mov ax, [Sector512+51*2] mov al, ah call convert_Sector512_value DEBUGF 1, "K : PIO mode set mode %x\n", ah + mov ax, [Sector512+63*2] DEBUGF 1, "K : Multiword DMA possible modes %x\n", al + mov al, ah call convert_Sector512_value DEBUGF 1, "K : Multiword DMA set mode %x\n", ah + mov ax, [Sector512+88*2] DEBUGF 1, "K : Ultra DMA possible modes %x\n", al + mov al, ah call convert_Sector512_value DEBUGF 1, "K : Ultra DMA set mode %x\n", ah - FindHDD_2_2: + + popfd + popad ret -;----------------------------------------------------------------------------- -FindHDD_3: - call FindHDD_1 - shl byte [DRIVE_DATA+1], 2 +;-------------------------------------- +.end: + DEBUGF 1, "K : Device not found\n" ret ;----------------------------------------------------------------------------- convert_Sector512_value: @@ -112,10 +158,11 @@ convert_Sector512_value: ;----------------------------------------------------------------------------- ; Адрес считываемого сектора в режиме LBA uglobal -SectorAddress DD ? +SectorAddress dd ? dev_name: rb 41 endg +;----------------------------------------------------------------------------- ;************************************************* ;* ЧТЕНИЕ ИДЕНТИФИКАТОРА ЖЕСТКОГО ДИСКА * ;* Входные параметры передаются через глобальные * @@ -131,32 +178,32 @@ ReadHDD_ID: ; Послать команду идентификации устройства mov [ATAFeatures], 0 mov [ATAHead], 0 - mov [ATACommand], 0ECh + mov [ATACommand], 0xEC call SendCommandToHDD - cmp [DevErrorCode], 0;проверить код ошибки + cmp [DevErrorCode], 0 ;проверить код ошибки jne @@End ;закончить, сохранив код ошибки - mov DX, [ATABasePortAddr] - add DX, 7 ;адрес регистра состояни + + mov dx, [ATABasePortAddr] + add dx, 7 ;адрес регистра состояни mov ecx, 0xffff @@WaitCompleet: ; Проверить время выполнения команды dec ecx -; cmp ecx,0 jz @@Error1 ;ошибка тайм-аута ; Проверить готовность - in AL, DX - test AL, 80h ;состояние сигнала BSY + in al, dx + test al, 80h ;состояние сигнала BSY jnz @@WaitCompleet - test AL, 1 ;состояние сигнала ERR + + test al, 1 ;состояние сигнала ERR jnz @@Error6 - test AL, 08h ;состояние сигнала DRQ + + test al, 08h ;состояние сигнала DRQ jz @@WaitCompleet ; Принять блок данных от контроллера -; mov AX,DS -; mov ES,AX - mov EDI, Sector512 ;offset Sector512 - mov DX, [ATABasePortAddr];регистр данных - mov CX, 256 ;число считываемых слов + mov edi, Sector512 + mov dx, [ATABasePortAddr];регистр данных + mov cx, 256 ;число считываемых слов rep insw ;принять блок данных ret ; Записать код ошибки @@ -167,27 +214,24 @@ ReadHDD_ID: mov [DevErrorCode], 6 @@End: ret - - -iglobal -; Стандартные базовые адреса каналов 1 и 2 -StandardATABases DW 1F0h, 170h -endg +;----------------------------------------------------------------------------- uglobal +; Стандартные базовые адреса каналов 1 и 2 +StandardATABases dw ?, ? ; 1F0h, 170h ; Номер канала -ChannelNumber DW ? +ChannelNumber dw ? ; Номер диска -DiskNumber DB ? +DiskNumber db ? ; Базовый адрес группы портов контроллера ATA -ATABasePortAddr DW ? +ATABasePortAddr dw ? ; Параметры ATA-команды -ATAFeatures DB ? ;особенности -ATASectorCount DB ? ;количество обрабатываемых секторов -ATASectorNumber DB ? ;номер начального сектора -ATACylinder DW ? ;номер начального цилиндра -ATAHead DB ? ;номер начальной головки -ATAAddressMode DB ? ;режим адресации (0 - CHS, 1 - LBA) -ATACommand DB ? ;код команды, подлежащей выполнению +ATAFeatures db ? ;особенности +ATASectorCount db ? ;количество обрабатываемых секторов +ATASectorNumber db ? ;номер начального сектора +ATACylinder dw ? ;номер начального цилиндра +ATAHead db ? ;номер начальной головки +ATAAddressMode db ? ;режим адресации (0 - CHS, 1 - LBA) +ATACommand db ? ;код команды, подлежащей выполнению ; Код ошибки (0 - нет ошибок, 1 - превышен допустимый ; интервал ожидания, 2 - неверный код режима адресации, ; 3 - неверный номер канала, 4 - неверный номер диска, @@ -195,6 +239,7 @@ ATACommand DB ? ;код команды, подлежащей выполне ; команды) DevErrorCode dd ? endg +;----------------------------------------------------------------------------- ;**************************************************** ;* ПОСЛАТЬ КОМАНДУ ЗАДАННОМУ ДИСКУ * ;* Входные параметры передаются через глобальные * @@ -219,82 +264,78 @@ SendCommandToHDD: cmp [ATAAddressMode], 1 ja @@Err2 ; Проверить корректность номера канала - mov BX, [ChannelNumber] - cmp BX, 1 + mov bx, [ChannelNumber] + cmp bx, 1 jb @@Err3 - cmp BX, 2 + + cmp bx, 2 ja @@Err3 ; Установить базовый адрес - dec BX - shl BX, 1 + dec bx + shl bx, 1 movzx ebx, bx - mov AX, [ebx+StandardATABases] - mov [ATABasePortAddr], AX + mov ax, [ebx+StandardATABases] + mov [ATABasePortAddr], ax ; Ожидание готовности HDD к приему команды ; Выбрать нужный диск - mov DX, [ATABasePortAddr] - add DX, 6 ;адрес регистра головок - mov AL, [DiskNumber] - cmp AL, 1 ;проверить номера диска + mov dx, [ATABasePortAddr] + add dx, 6 ;адрес регистра головок + mov al, [DiskNumber] + cmp al, 1 ;проверить номера диска ja @@Err4 - shl AL, 4 - or AL, 10100000b - out DX, AL + + shl al, 4 + or al, 10100000b + out dx, al ; Ожидать, пока диск не будет готов - inc DX + inc dx mov ecx, 0xfff -; mov eax,[timer_ticks] -; mov [TickCounter_1],eax @@WaitHDReady: ; Проверить время ожидани dec ecx -; cmp ecx,0 jz @@Err1 -; mov eax,[timer_ticks] -; sub eax,[TickCounter_1] -; cmp eax,300 ;ожидать 300 тиков -; ja @@Err1 ;ошибка тайм-аута ; Прочитать регистр состояни - in AL, DX + in al, dx ; Проверить состояние сигнала BSY - test AL, 80h + test al, 80h jnz @@WaitHDReady ; Проверить состояние сигнала DRQ - test AL, 08h + test al, 08h jnz @@WaitHDReady ; Загрузить команду в регистры контроллера cli - mov DX, [ATABasePortAddr] - inc DX ;регистр "особенностей" - mov AL, [ATAFeatures] - out DX, AL - inc DX ;счетчик секторов - mov AL, [ATASectorCount] - out DX, AL - inc DX ;регистр номера сектора - mov AL, [ATASectorNumber] - out DX, AL - inc DX ;номер цилиндра (младший байт) - mov AX, [ATACylinder] - out DX, AL - inc DX ;номер цилиндра (старший байт) - mov AL, AH - out DX, AL - inc DX ;номер головки/номер диска - mov AL, [DiskNumber] - shl AL, 4 - cmp [ATAHead], 0Fh;проверить номер головки + mov dx, [ATABasePortAddr] + inc dx ;регистр "особенностей" + mov al, [ATAFeatures] + out dx, AL + inc dx ;счетчик секторов + mov al, [ATASectorCount] + out dx, AL + inc dx ;регистр номера сектора + mov al, [ATASectorNumber] + out dx, AL + inc dx ;номер цилиндра (младший байт) + mov ax, [ATACylinder] + out dx, AL + inc dx ;номер цилиндра (старший байт) + mov al, AH + out dx, AL + inc dx ;номер головки/номер диска + mov al, [DiskNumber] + shl al, 4 + cmp [ATAHead], 0xF ;проверить номер головки ja @@Err5 - or AL, [ATAHead] - or AL, 10100000b - mov AH, [ATAAddressMode] - shl AH, 6 - or AL, AH - out DX, AL + + or al, [ATAHead] + or al, 10100000b + mov ah, [ATAAddressMode] + shl ah, 6 + or al, ah + out dx, al ; Послать команду - mov AL, [ATACommand] - inc DX ;регистр команд - out DX, AL + mov al, [ATACommand] + inc dx ;регистр команд + out dx, al sti ; Сбросить признак ошибки mov [DevErrorCode], 0 @@ -316,7 +357,7 @@ SendCommandToHDD: mov [DevErrorCode], 5 ; Завершение работы программы ret - +;----------------------------------------------------------------------------- ;************************************************* ;* ЧТЕНИЕ ИДЕНТИФИКАТОРА УСТРОЙСТВА ATAPI * ;* Входные параметры передаются через глобальные * @@ -335,33 +376,32 @@ ReadCD_ID: mov [ATASectorNumber], 0 mov [ATACylinder], 0 mov [ATAHead], 0 - mov [ATACommand], 0A1h + mov [ATACommand], 0xA1 call SendCommandToHDD cmp [DevErrorCode], 0;проверить код ошибки jne @@End_1 ;закончить, сохранив код ошибки ; Ожидать готовность данных HDD - mov DX, [ATABasePortAddr] - add DX, 7 ;порт 1х7h + mov dx, [ATABasePortAddr] + add dx, 7 ;порт 1х7h mov ecx, 0xffff @@WaitCompleet_1: ; Проверить врем dec ecx -; cmp ecx,0 jz @@Error1_1 ;ошибка тайм-аута ; Проверить готовность - in AL, DX - test AL, 80h ;состояние сигнала BSY + in al, dx + test al, 80h ;состояние сигнала BSY jnz @@WaitCompleet_1 - test AL, 1 ;состояние сигнала ERR + + test al, 1 ;состояние сигнала ERR jnz @@Error6_1 - test AL, 08h ;состояние сигнала DRQ + + test al, 08h ;состояние сигнала DRQ jz @@WaitCompleet_1 ; Принять блок данных от контроллера -; mov AX,DS -; mov ES,AX - mov EDI, Sector512 ;offset Sector512 - mov DX, [ATABasePortAddr];порт 1x0h - mov CX, 256;число считываемых слов + mov edi, Sector512 ;offset Sector512 + mov dx, [ATABasePortAddr];порт 1x0h + mov cx, 256;число считываемых слов rep insw ret ; Записать код ошибки @@ -372,7 +412,7 @@ ReadCD_ID: mov [DevErrorCode], 6 @@End_1: ret - +;----------------------------------------------------------------------------- ;************************************************* ;* СБРОС УСТРОЙСТВА * ;* Входные параметры передаются через глобальные * @@ -382,39 +422,40 @@ ReadCD_ID: ;************************************************* DeviceReset: ; Проверить корректность номера канала - mov BX, [ChannelNumber] - cmp BX, 1 + mov bx, [ChannelNumber] + cmp bx, 1 jb @@Err3_2 - cmp BX, 2 + + cmp bx, 2 ja @@Err3_2 ; Установить базовый адрес - dec BX - shl BX, 1 + dec bx + shl bx, 1 movzx ebx, bx - mov DX, [ebx+StandardATABases] - mov [ATABasePortAddr], DX + mov dx, [ebx+StandardATABases] + mov [ATABasePortAddr], dx ; Выбрать нужный диск - add DX, 6 ;адрес регистра головок - mov AL, [DiskNumber] - cmp AL, 1 ;проверить номера диска + add dx, 6 ;адрес регистра головок + mov al, [DiskNumber] + cmp al, 1 ;проверить номера диска ja @@Err4_2 - shl AL, 4 - or AL, 10100000b - out DX, AL + + shl al, 4 + or al, 10100000b + out dx, al ; Послать команду "Сброс" - mov AL, 08h - inc DX ;регистр команд - out DX, AL + mov al, 0x8 + inc dx ;регистр команд + out dx, al mov ecx, 0x80000 @@WaitHDReady_1: ; Проверить время ожидани dec ecx -; cmp ecx,0 je @@Err1_2 ;ошибка тайм-аута ; Прочитать регистр состояни - in AL, DX + in al, dx ; Проверить состояние сигнала BSY - test AL, 80h + test al, 80h jnz @@WaitHDReady_1 ; Сбросить признак ошибки mov [DevErrorCode], 0 @@ -430,6 +471,5 @@ DeviceReset: mov [DevErrorCode], 4 ; Записать код ошибки ret - +;----------------------------------------------------------------------------- EndFindHDD: - diff --git a/kernel/trunk/detect/getcache.inc b/kernel/trunk/detect/getcache.inc index 994c1d855a..11eaa06088 100644 --- a/kernel/trunk/detect/getcache.inc +++ b/kernel/trunk/detect/getcache.inc @@ -7,6 +7,7 @@ $Revision$ +;----------------------------------------------------------------------------- pusha mov eax, [pg_data.pages_free] @@ -20,89 +21,167 @@ $Revision$ ; check a upper size of the cache, no more than 1 Mb on the physical device cmp eax, 1024*1024 jbe @f + mov eax, 1024*1024 jmp .continue +;-------------------------------------- @@: ; check a lower size of the cache, not less than 128 Kb on the physical device cmp eax, 128*1024 - jae @f - mov eax, 128*1024 -@@: -.continue: - mov [cache_ide0_size], eax - mov [cache_ide1_size], eax - mov [cache_ide2_size], eax - mov [cache_ide3_size], eax - xor eax, eax - mov [hdd_appl_data], 1;al - mov [cd_appl_data], 1 + jae .continue - test byte [DRIVE_DATA+1], 2 - je .ide2 - mov esi, cache_ide3 - call get_cache_ide -.ide2: - test byte [DRIVE_DATA+1], 8 - je .ide1 - mov esi, cache_ide2 - call get_cache_ide -.ide1: - test byte [DRIVE_DATA+1], 0x20 - je .ide0 - mov esi, cache_ide1 - call get_cache_ide -.ide0: + mov eax, 128*1024 +;-------------------------------------- +.continue: + push ecx + mov ecx, 12 + mov esi, cache_ide0+IDE_CACHE.size + cld +@@: + mov [esi], eax + add esi, sizeof.IDE_CACHE + loop @b + + pop ecx + + xor eax, eax + mov [hdd_appl_data], 1 ;al + mov [cd_appl_data], 1 +;-------------------------------------- test byte [DRIVE_DATA+1], 0x80 je @f + mov esi, cache_ide0 call get_cache_ide +;-------------------------------------- @@: - jmp end_get_cache + test byte [DRIVE_DATA+1], 0x20 + je @f + mov esi, cache_ide1 + call get_cache_ide +;-------------------------------------- +@@: + test byte [DRIVE_DATA+1], 8 + je @f + + mov esi, cache_ide2 + call get_cache_ide +;-------------------------------------- +@@: + test byte [DRIVE_DATA+1], 2 + je @f + + mov esi, cache_ide3 + call get_cache_ide +;-------------------------------------- +@@: + test byte [DRIVE_DATA+6], 0x80 + je @f + + mov esi, cache_ide4 + call get_cache_ide +;-------------------------------------- +@@: + test byte [DRIVE_DATA+6], 0x20 + je @f + + mov esi, cache_ide5 + call get_cache_ide +;-------------------------------------- +@@: + test byte [DRIVE_DATA+6], 8 + je @f + + mov esi, cache_ide6 + call get_cache_ide +;-------------------------------------- +@@: + test byte [DRIVE_DATA+6], 2 + je @f + + mov esi, cache_ide7 + call get_cache_ide +;-------------------------------------- +@@: + test byte [DRIVE_DATA+11], 0x80 + je @f + + mov esi, cache_ide8 + call get_cache_ide +;-------------------------------------- +@@: + test byte [DRIVE_DATA+11], 0x20 + je @f + + mov esi, cache_ide9 + call get_cache_ide +;-------------------------------------- +@@: + test byte [DRIVE_DATA+11], 8 + je @f + + mov esi, cache_ide10 + call get_cache_ide +;-------------------------------------- +@@: + test byte [DRIVE_DATA+11], 2 + je end_get_cache + + mov esi, cache_ide11 + call get_cache_ide + + jmp end_get_cache +;----------------------------------------------------------------------------- get_cache_ide: - and [esi+cache_ide0_search_start-cache_ide0], 0 - and [esi+cache_ide0_appl_search_start-cache_ide0], 0 + and [esi+IDE_CACHE.search_start], 0 + and [esi+IDE_CACHE.appl_search_start], 0 + push ecx - stdcall kernel_alloc, [esi+cache_ide0_size-cache_ide0] - mov [esi+cache_ide0_pointer-cache_ide0], eax + DEBUGF 1, "K : IDE_CACHE.size %x\n", [esi+IDE_CACHE.size] + stdcall kernel_alloc, [esi+IDE_CACHE.size] + mov [esi+IDE_CACHE.pointer], eax pop ecx + mov edx, eax - mov eax, [esi+cache_ide0_size-cache_ide0] + mov eax, [esi+IDE_CACHE.size] shr eax, 3 - mov [esi+cache_ide0_system_data_size-cache_ide0], eax + DEBUGF 1, "K : IDE_CACHE.system_data_size %x\n", eax + mov [esi+IDE_CACHE.system_data_size], eax mov ebx, eax imul eax, 7 - mov [esi+cache_ide0_appl_data_size-cache_ide0], eax + DEBUGF 1, "K : IDE_CACHE.appl_data_size %x\n", eax + mov [esi+IDE_CACHE.appl_data_size], eax add ebx, edx - mov [esi+cache_ide0_data_pointer-cache_ide0], ebx + mov [esi+IDE_CACHE.data_pointer], ebx .cd: push ecx - mov eax, [esi+cache_ide0_system_data_size-cache_ide0] + mov eax, [esi+IDE_CACHE.system_data_size] call calculate_for_cd - add eax, [esi+cache_ide0_pointer-cache_ide0] - mov [esi+cache_ide0_system_data-cache_ide0], eax - mov [esi+cache_ide0_system_sad_size-cache_ide0], ecx + add eax, [esi+IDE_CACHE.pointer] + mov [esi+IDE_CACHE.system_data], eax + mov [esi+IDE_CACHE.system_sad_size], ecx push edi - mov edi, [esi+cache_ide0_pointer-cache_ide0] + mov edi, [esi+IDE_CACHE.pointer] call clear_ide_cache pop edi - mov eax, [esi+cache_ide0_appl_data_size-cache_ide0] + mov eax, [esi+IDE_CACHE.appl_data_size] call calculate_for_cd - add eax, [esi+cache_ide0_data_pointer-cache_ide0] - mov [esi+cache_ide0_appl_data-cache_ide0], eax - mov [esi+cache_ide0_appl_sad_size-cache_ide0], ecx + add eax, [esi+IDE_CACHE.data_pointer] + mov [esi+IDE_CACHE.appl_data], eax + mov [esi+IDE_CACHE.appl_sad_size], ecx push edi - mov edi, [esi+cache_ide0_data_pointer-cache_ide0] + mov edi, [esi+IDE_CACHE.data_pointer] call clear_ide_cache pop edi pop ecx ret - +;----------------------------------------------------------------------------- calculate_for_cd: push eax mov ebx, eax @@ -116,7 +195,7 @@ calculate_for_cd: sub eax, ebx dec ecx ret - +;----------------------------------------------------------------------------- clear_ide_cache: push eax shl ecx, 1 @@ -125,6 +204,6 @@ clear_ide_cache: rep stosd pop eax ret - +;----------------------------------------------------------------------------- end_get_cache: popa diff --git a/kernel/trunk/detect/init_ata.inc b/kernel/trunk/detect/init_ata.inc index 0046b9e3b3..0619efa100 100644 --- a/kernel/trunk/detect/init_ata.inc +++ b/kernel/trunk/detect/init_ata.inc @@ -1,111 +1,151 @@ ;----------------------------------------------------------------------------- ; find the IDE controller in the device list ;----------------------------------------------------------------------------- + mov ecx, IDE_controller_1 mov esi, pcidev_list +;-------------------------------------- +align 4 .loop: mov esi, [esi+PCIDEV.fd] cmp esi, pcidev_list - jz .done + jz find_IDE_controller_done + mov eax, [esi+PCIDEV.class] shr eax, 4 cmp eax, 0x01018 jnz .loop +;-------------------------------------- .found: mov eax, [esi+PCIDEV.class] DEBUGF 1, 'K : IDE controller programming interface %x\n', eax - mov [IDEContrProgrammingInterface], eax + mov [ecx+IDE_DATA.ProgrammingInterface], eax mov ah, [esi+PCIDEV.bus] mov al, 2 mov bh, [esi+PCIDEV.devfn] -;----------------------------------------------------------------------------- +;-------------------------------------- mov bl, 0x10 push eax call pci_read_reg and eax, 0xFFFC cmp ax, 0 je @f + cmp ax, 1 jne .show_BAR0 +;-------------------------------------- @@: mov ax, 0x1F0 +;-------------------------------------- .show_BAR0: DEBUGF 1, 'K : BAR0 IDE base addr %x\n', ax mov [StandardATABases], ax - mov [hd_address_table], eax - mov [hd_address_table+8], eax - mov [IDE_BAR0_val], ax + mov [ecx+IDE_DATA.BAR0_val], ax pop eax -;----------------------------------------------------------------------------- +;-------------------------------------- mov bl, 0x14 push eax call pci_read_reg and eax, 0xFFFC cmp ax, 0 je @f + cmp ax, 1 jne .show_BAR1 +;-------------------------------------- @@: mov ax, 0x3F4 +;-------------------------------------- .show_BAR1: DEBUGF 1, 'K : BAR1 IDE base addr %x\n', ax - mov [IDE_BAR1_val], ax + mov [ecx+IDE_DATA.BAR1_val], ax pop eax -;----------------------------------------------------------------------------- +;-------------------------------------- mov bl, 0x18 push eax call pci_read_reg and eax, 0xFFFC cmp ax, 0 je @f + cmp ax, 1 jne .show_BAR2 +;-------------------------------------- @@: mov ax, 0x170 +;-------------------------------------- .show_BAR2: DEBUGF 1, 'K : BAR2 IDE base addr %x\n', ax mov [StandardATABases+2], ax - mov [hd_address_table+16], eax - mov [hd_address_table+24], eax - mov [IDE_BAR2_val], ax + mov [ecx+IDE_DATA.BAR2_val], ax pop eax -;----------------------------------------------------------------------------- +;-------------------------------------- mov bl, 0x1C push eax call pci_read_reg and eax, 0xFFFC cmp ax, 0 je @f + cmp ax, 1 jne .show_BAR3 +;-------------------------------------- @@: mov ax, 0x374 +;-------------------------------------- .show_BAR3: DEBUGF 1, 'K : BAR3 IDE base addr %x\n', ax - mov [IDE_BAR3_val], ax + mov [ecx+IDE_DATA.BAR3_val], ax pop eax -;----------------------------------------------------------------------------- +;-------------------------------------- mov bl, 0x20 push eax call pci_read_reg and eax, 0xFFFC DEBUGF 1, 'K : BAR4 IDE controller register base addr %x\n', ax - mov [IDEContrRegsBaseAddr], ax + mov [ecx+IDE_DATA.RegsBaseAddres], ax pop eax -;----------------------------------------------------------------------------- +;-------------------------------------- mov bl, 0x3C push eax call pci_read_reg and eax, 0xFF DEBUGF 1, 'K : IDE Interrupt %x\n', al - mov [IDE_Interrupt], ax + mov [ecx+IDE_DATA.Interrupt], ax pop eax + + add ecx, sizeof.IDE_DATA +;-------------------------------------- + jmp .loop ;----------------------------------------------------------------------------- -.done: +uglobal +align 4 +;-------------------------------------- +IDE_controller_pointer dd ? +;-------------------------------------- +IDE_controller_1 IDE_DATA +IDE_controller_2 IDE_DATA +IDE_controller_3 IDE_DATA +;-------------------------------------- +cache_ide0 IDE_CACHE +cache_ide1 IDE_CACHE +cache_ide2 IDE_CACHE +cache_ide3 IDE_CACHE +cache_ide4 IDE_CACHE +cache_ide5 IDE_CACHE +cache_ide6 IDE_CACHE +cache_ide7 IDE_CACHE +cache_ide8 IDE_CACHE +cache_ide9 IDE_CACHE +cache_ide10 IDE_CACHE +cache_ide11 IDE_CACHE +;-------------------------------------- +endg ;----------------------------------------------------------------------------- ; START of initialisation IDE ATA code ;----------------------------------------------------------------------------- - cmp [IDEContrProgrammingInterface], 0 +Init_IDE_ATA_controller: + cmp [ecx+IDE_DATA.ProgrammingInterface], 0 je set_interrupts_for_IDE_controllers.continue mov esi, boot_disabling_ide @@ -117,33 +157,25 @@ .disable_IDE_interrupt: ; Disable interrupts in IDE controller for PIO mov al, 2 - mov dx, [IDE_BAR1_val] ;0x3F4 + mov dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4 add dx, 2 ;0x3F6 out dx, al - mov dx, [IDE_BAR3_val] ;0x374 + mov dx, [ecx+IDE_DATA.BAR3_val] ;0x374 add dx, 2 ;0x376 out dx, al -@@: -; show base variables of IDE controller -; DEBUGF 1, "K : BAR0 %x \n", [IDE_BAR0_val]:4 -; DEBUGF 1, "K : BAR1 %x \n", [IDE_BAR1_val]:4 -; DEBUGF 1, "K : BAR2 %x \n", [IDE_BAR2_val]:4 -; DEBUGF 1, "K : BAR3 %x \n", [IDE_BAR3_val]:4 -; DEBUGF 1, "K : BAR4 %x \n", [IDEContrRegsBaseAddr]:4 -; DEBUGF 1, "K : IDEContrProgrammingInterface %x \n", [IDEContrProgrammingInterface]:4 -; DEBUGF 1, "K : IDE_Interrupt %x \n", [IDE_Interrupt]:4 ;----------------------------------------------------------------------------- +; set current ata bases +@@: + mov ax, [ecx+IDE_DATA.BAR0_val] + mov [StandardATABases], ax + mov ax, [ecx+IDE_DATA.BAR2_val] + mov [StandardATABases+2], ax + mov esi, boot_detecthdcd call boot_log include 'dev_hdcd.inc' - mov esi, boot_getcache - call boot_log -include 'getcache.inc' - mov esi, boot_detectpart - call boot_log -include 'sear_par.inc' ;----------------------------------------------------------------------------- - mov dx, [IDEContrRegsBaseAddr] + mov dx, [ecx+IDE_DATA.RegsBaseAddres] ; test whether it is our interrupt? add dx, 2 in al, dx @@ -152,6 +184,7 @@ include 'sear_par.inc' ; clear Bus Master IDE Status register ; clear Interrupt bit out dx, al +;-------------------------------------- @@: add dx, 8 ; test whether it is our interrupt? @@ -161,17 +194,18 @@ include 'sear_par.inc' ; clear Bus Master IDE Status register ; clear Interrupt bit out dx, al +;-------------------------------------- @@: ; read status register and remove the interrupt request - mov dx, [IDE_BAR0_val] ;0x1F0 + mov dx, [ecx+IDE_DATA.BAR0_val] ;0x1F0 add dx, 0x7 ;0x1F7 in al, dx - mov dx, [IDE_BAR2_val] ;0x170 + mov dx, [ecx+IDE_DATA.BAR2_val] ;0x170 add dx, 0x7 ;0x177 in al, dx ;----------------------------------------------------------------------------- push eax edx - mov dx, [IDEContrRegsBaseAddr] + mov dx, [ecx+IDE_DATA.RegsBaseAddres] xor eax, eax add dx, 2 in al, dx @@ -182,15 +216,15 @@ include 'sear_par.inc' DEBUGF 1, "K : Secondary Bus Master IDE Status Register %x\n", eax pop edx eax - cmp [IDEContrRegsBaseAddr], 0 - setnz [dma_hdd] + cmp [ecx+IDE_DATA.RegsBaseAddres], 0 + setnz [ecx+IDE_DATA.dma_hdd] ;----------------------------------------------------------------------------- ; set interrupts for IDE Controller ;----------------------------------------------------------------------------- mov esi, boot_set_int_IDE call boot_log set_interrupts_for_IDE_controllers: - mov eax, [IDEContrProgrammingInterface] + mov eax, [ecx+IDE_DATA.ProgrammingInterface] cmp ax, 0x0180 je .pata_ide @@ -198,13 +232,16 @@ set_interrupts_for_IDE_controllers: jne .sata_ide ;-------------------------------------- .pata_ide: - cmp [IDEContrRegsBaseAddr], 0 + cmp [ecx+IDE_DATA.RegsBaseAddres], 0 je .end_set_interrupts + push ecx stdcall attach_int_handler, 14, IDE_irq_14_handler, 0 DEBUGF 1, "K : Set IDE IRQ14 return code %x\n", eax stdcall attach_int_handler, 15, IDE_irq_15_handler, 0 DEBUGF 1, "K : Set IDE IRQ15 return code %x\n", eax + pop ecx + jmp .enable_IDE_interrupt ;-------------------------------------- .sata_ide: @@ -215,53 +252,93 @@ set_interrupts_for_IDE_controllers: jne .end_set_interrupts ;-------------------------------------- .sata_ide_1: - cmp [IDEContrRegsBaseAddr], 0 + cmp [ecx+IDE_DATA.RegsBaseAddres], 0 je .end_set_interrupts - mov ax, [IDE_Interrupt] + mov ax, [ecx+IDE_DATA.Interrupt] movzx eax, al + push ecx stdcall attach_int_handler, eax, IDE_common_irq_handler, 0 - DEBUGF 1, "K : Set IDE IRQ%d return code %x\n", [IDE_Interrupt]:1, eax + pop ecx + DEBUGF 1, "K : Set IDE IRQ%d return code %x\n", [ecx+IDE_DATA.Interrupt]:1, eax ;-------------------------------------- .enable_IDE_interrupt: mov esi, boot_enabling_ide call boot_log ; Enable interrupts in IDE controller for DMA + xor ebx, ebx + cmp ecx, IDE_controller_2 + jne @f + + add ebx, 5 + jmp .check_DRIVE_DATA +;-------------------------------------- +@@: + cmp ecx, IDE_controller_3 + jne .check_DRIVE_DATA + + add ebx, 10 +;-------------------------------------- +.check_DRIVE_DATA: mov al, 0 - mov ah, [DRIVE_DATA+1] + mov ah, [ebx+DRIVE_DATA+1] test ah, 10100000b jz @f DEBUGF 1, "K : IDE CH1 PIO, because ATAPI drive present\n" jmp .ch2_check +;-------------------------------------- @@: - mov dx, [IDE_BAR1_val] ;0x3F4 + mov dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4 add dx, 2 ;0x3F6 out dx, al DEBUGF 1, "K : IDE CH1 DMA enabled\n" +;-------------------------------------- .ch2_check: test ah, 1010b jz @f DEBUGF 1, "K : IDE CH2 PIO, because ATAPI drive present\n" jmp .end_set_interrupts +;-------------------------------------- @@: - mov dx, [IDE_BAR3_val] ;0x374 + mov dx, [ecx+IDE_DATA.BAR3_val] ;0x374 add dx, 2 ;0x376 out dx, al DEBUGF 1, "K : IDE CH2 DMA enabled\n" ;-------------------------------------- .end_set_interrupts: ;----------------------------------------------------------------------------- - cmp [dma_hdd], 0 + cmp [ecx+IDE_DATA.dma_hdd], 0 je .print_pio +;-------------------------------------- .print_dma: DEBUGF 1, "K : IDE DMA mode\n" jmp .continue - +;-------------------------------------- .print_pio: DEBUGF 1, "K : IDE PIO mode\n" .continue: + ret ;----------------------------------------------------------------------------- ; END of initialisation IDE ATA code ;----------------------------------------------------------------------------- +find_IDE_controller_done: + mov ecx, IDE_controller_1 + mov [IDE_controller_pointer], ecx + call Init_IDE_ATA_controller + mov ecx, IDE_controller_2 + mov [IDE_controller_pointer], ecx + call Init_IDE_ATA_controller + mov ecx, IDE_controller_3 + mov [IDE_controller_pointer], ecx + call Init_IDE_ATA_controller +;----------------------------------------------------------------------------- + mov esi, boot_getcache + call boot_log +include 'getcache.inc' +;----------------------------------------------------------------------------- + mov esi, boot_detectpart + call boot_log +include 'sear_par.inc' +;----------------------------------------------------------------------------- diff --git a/kernel/trunk/detect/sear_par.inc b/kernel/trunk/detect/sear_par.inc index b53e1205b6..3c3c1744bc 100644 --- a/kernel/trunk/detect/sear_par.inc +++ b/kernel/trunk/detect/sear_par.inc @@ -8,63 +8,203 @@ $Revision$ search_partitions: + push ecx ; 1. Fill missing parameters in HD_DATA structures. - mov eax, [hd_address_table] - mov [hd0_data.hdbase], eax ;0x1f0 + xor eax, eax + mov edx, IDE_controller_1 + mov ax, [edx + IDE_DATA.BAR0_val] + mov [hd0_data.hdbase], eax mov [hd1_data.hdbase], eax - mov eax, [hd_address_table+16] + mov ax, [edx + IDE_DATA.BAR2_val] mov [hd2_data.hdbase], eax mov [hd3_data.hdbase], eax + + mov edx, IDE_controller_2 + mov ax, [edx + IDE_DATA.BAR0_val] + mov [hd4_data.hdbase], eax + mov [hd5_data.hdbase], eax + mov ax, [edx + IDE_DATA.BAR2_val] + mov [hd6_data.hdbase], eax + mov [hd7_data.hdbase], eax + + mov edx, IDE_controller_3 + mov ax, [edx + IDE_DATA.BAR0_val] + mov [hd8_data.hdbase], eax + mov [hd9_data.hdbase], eax + mov ax, [edx + IDE_DATA.BAR2_val] + mov [hd10_data.hdbase], eax + mov [hd11_data.hdbase], eax ; 2. Notify the system about /hd* disks. ; For every existing disk, call ide_disk_add with correct parameters. ; Generate name "hdN" on the stack; this is 4 bytes including terminating zero. +;----------------------------------------------------------------------------- ; 2a. /hd0: exists if mask 0x40 in [DRIVE_DATA+1] is set, ; data: hd0_data, ; number of partitions: [DRIVE_DATA+2] test [DRIVE_DATA+1], byte 0x40 jz @f + DEBUGF 1, "K : HD0\n" push 'hd0' mov eax, esp ; name mov edx, hd0_data call ide_disk_add mov [DRIVE_DATA+2], al pop ecx ; restore the stack +;----------------------------------------------------------------------------- @@: ; 2b. /hd1: exists if mask 0x10 in [DRIVE_DATA+1] is set, ; data: hd1_data, ; number of partitions: [DRIVE_DATA+3] test [DRIVE_DATA+1], byte 0x10 jz @f + DEBUGF 1, "K : HD1\n" push 'hd1' mov eax, esp mov edx, hd1_data call ide_disk_add mov [DRIVE_DATA+3], al pop ecx +;----------------------------------------------------------------------------- @@: ; 2c. /hd2: exists if mask 4 in [DRIVE_DATA+1] is set, ; data: hd2_data, ; number of partitions: [DRIVE_DATA+4] test [DRIVE_DATA+1], byte 4 jz @f + DEBUGF 1, "K : HD2\n" push 'hd2' mov eax, esp mov edx, hd2_data call ide_disk_add mov [DRIVE_DATA+4], al pop ecx +;----------------------------------------------------------------------------- @@: ; 2d. /hd3: exists if mask 1 in [DRIVE_DATA+1] is set, ; data: hd3_data, ; number of partitions: [DRIVE_DATA+5] test [DRIVE_DATA+1], byte 1 jz @f + DEBUGF 1, "K : HD3\n" push 'hd3' mov eax, esp mov edx, hd3_data call ide_disk_add mov [DRIVE_DATA+5], al pop ecx +;----------------------------------------------------------------------------- +@@: +; 2e. /hd4: exists if mask 0x40 in [DRIVE_DATA+6] is set, +; data: hd4_data, +; number of partitions: [DRIVE_DATA+7] + test [DRIVE_DATA+6], byte 0x40 + jz @f + DEBUGF 1, "K : HD4\n" + push 'hd4' + mov eax, esp ; name + mov edx, hd4_data + call ide_disk_add + mov [DRIVE_DATA+7], al + pop ecx +;----------------------------------------------------------------------------- +@@: +; 2f. /hd5: exists if mask 0x10 in [DRIVE_DATA+6] is set, +; data: hd5_data, +; number of partitions: [DRIVE_DATA+8] + test [DRIVE_DATA+6], byte 0x10 + jz @f + DEBUGF 1, "K : HD5\n" + push 'hd5' + mov eax, esp + mov edx, hd5_data + call ide_disk_add + mov [DRIVE_DATA+8], al + pop ecx +;----------------------------------------------------------------------------- +@@: +; 2g. /hd6: exists if mask 4 in [DRIVE_DATA+6] is set, +; data: hd6_data, +; number of partitions: [DRIVE_DATA+9] + test [DRIVE_DATA+6], byte 4 + jz @f + DEBUGF 1, "K : HD6\n" + push 'hd6' + mov eax, esp + mov edx, hd6_data + call ide_disk_add + mov [DRIVE_DATA+9], al + pop ecx +;----------------------------------------------------------------------------- +@@: +; 2h. /hd7: exists if mask 1 in [DRIVE_DATA+6] is set, +; data: hd7_data, +; number of partitions: [DRIVE_DATA+10] + test [DRIVE_DATA+6], byte 1 + jz @f + DEBUGF 1, "K : HD7\n" + push 'hd7' + mov eax, esp + mov edx, hd7_data + call ide_disk_add + mov [DRIVE_DATA+10], al + pop ecx +;----------------------------------------------------------------------------- +@@: +; 2i. /hd8: exists if mask 0x40 in [DRIVE_DATA+11] is set, +; data: hd8_data, +; number of partitions: [DRIVE_DATA+12] + test [DRIVE_DATA+11], byte 0x40 + jz @f + DEBUGF 1, "K : HD8\n" + push 'hd8' + mov eax, esp ; name + mov edx, hd8_data + call ide_disk_add + mov [DRIVE_DATA+12], al + pop ecx +;----------------------------------------------------------------------------- +@@: +; 2j. /hd9: exists if mask 0x10 in [DRIVE_DATA+11] is set, +; data: hd9_data, +; number of partitions: [DRIVE_DATA+13] + test [DRIVE_DATA+11], byte 0x10 + jz @f + DEBUGF 1, "K : HD9\n" + push 'hd9' + mov eax, esp + mov edx, hd9_data + call ide_disk_add + mov [DRIVE_DATA+13], al + pop ecx +;----------------------------------------------------------------------------- +@@: +; 2k. /hd10: exists if mask 4 in [DRIVE_DATA+11] is set, +; data: hd10_data, +; number of partitions: [DRIVE_DATA+14] + test [DRIVE_DATA+14], byte 4 + jz @f + DEBUGF 1, "K : HD10\n" + push 'hd10' + mov eax, esp + mov edx, hd10_data + call ide_disk_add + mov [DRIVE_DATA+9], al + pop ecx +;----------------------------------------------------------------------------- +@@: +; 2l. /hd11: exists if mask 1 in [DRIVE_DATA+11] is set, +; data: hd11_data, +; number of partitions: [DRIVE_DATA+15] + test [DRIVE_DATA+11], byte 1 + jz @f + DEBUGF 1, "K : HD11\n" + push 'hd11' + mov eax, esp + mov edx, hd11_data + call ide_disk_add + mov [DRIVE_DATA+15], al + pop ecx +;----------------------------------------------------------------------------- @@: ; 3. Notify the system about /bd* disks. ; 3a. Check whether there are BIOS disks. If no, skip step 3. @@ -114,11 +254,12 @@ endg jnz .bdloop pop ecx ecx ; restore stack after name .nobd: + DEBUGF 1, "K : jmp end_search_partitions\n" jmp end_search_partitions - +;----------------------------------------------------------------------------- ; Helper procedure for search_partitions, adds one IDE disk. -; For compatibility, number of partitions for IDE disks is kept in a separate variable, -; so the procedure returns number of partitions. +; For compatibility, number of partitions for IDE disks is kept in a separate +; variable, so the procedure returns number of partitions. ; eax -> name, edx -> disk data proc ide_disk_add stdcall disk_add, ide_callbacks, eax, edx, 0 @@ -134,6 +275,6 @@ proc ide_disk_add @@: ret endp - - end_search_partitions: - +;----------------------------------------------------------------------------- +end_search_partitions: + pop ecx diff --git a/kernel/trunk/docs/sysfuncr.txt b/kernel/trunk/docs/sysfuncr.txt index f5c8308a14..2f0cda9f79 100644 --- a/kernel/trunk/docs/sysfuncr.txt +++ b/kernel/trunk/docs/sysfuncr.txt @@ -845,7 +845,7 @@ * eax = 18 - номер функции * ebx = 11 - номер подфункции * ecx = тип таблицы: - * 1 = короткая версия, 10 байт + * 1 = короткая версия, 16 байт * edx = указатель на буфер (в приложении) для таблицы Возвращаемое значение: * функция не возвращает значения @@ -862,6 +862,8 @@ Например, для стандартной конфигурации из одного 1.44-дисковода здесь будет 40h, а для случая 1.2Mb на A: и 1.44Mb на B: значение оказывается 24h. + + Первый контроллер IDE: * +1: byte: информация о жёстких дисках и CD-приводах, AABBCCDD, где AA соответствует контроллеру IDE0, ..., DD - IDE3: * 0 = устройство отсутствует @@ -870,15 +872,36 @@ Например, в случае HD на IDE0 и CD на IDE2 здесь будет 48h. * +2: 4 db: число найденных разделов на жёстких дисках с соответственно IDE0,...,IDE3. + + Второй контроллер IDE: + * +6: byte: информация о жёстких дисках и CD-приводах, AABBCCDD + где AA соответствует контроллеру IDE4, ..., DD - IDE7: + * 0 = устройство отсутствует + * 1 = жёсткий диск + * 2 = CD-привод + Например, в случае HD на IDE4 и CD на IDE6 здесь будет 48h. + * +7: 4 db: число найденных разделов на жёстких дисках с + соответственно IDE4,...,IDE7. + + Третий контроллер IDE: + * +11: byte: информация о жёстких дисках и CD-приводах, AABBCCDD + где AA соответствует контроллеру IDE8, ..., DD - IDE11: + * 0 = устройство отсутствует + * 1 = жёсткий диск + * 2 = CD-привод + Например, в случае HD на IDE8 и CD на IDE10 здесь будет 48h. + * +12: 4 db: число найденных разделов на жёстких дисках с + соответственно IDE8,...,IDE11. + При отсутствии жёсткого диска на IDEx соответствующий байт нулевой, при наличии показывает число распознанных разделов, которых может и не быть (если носитель не отформатирован или если файловая система не поддерживается). В текущей версии ядра - для жёстких дисков поддерживаются только FAT16, FAT32 и NTFS. - * +6: 4 db: зарезервировано + для жёстких дисков поддерживаются только FAT12/16/32, NTFS, + ext2/3/4 и XFS. Замечания: - * Короткая таблица может быть использована для получения информации + * Таблица может быть использована для получения информации об имеющихся устройствах. ====================================================================== @@ -1193,20 +1216,6 @@ dd 1675 соответствующую текущей стране иконку. * Приложение @panel переключает раскладки по запросу пользователя. -====================================================================== -=========== Функция 21, подфункция 3 - установить базу CD. =========== -====================================================================== -Параметры: - * eax = 21 - номер функции - * ebx = 3 - номер подфункции - * ecx = база CD: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 -Возвращаемое значение: - * eax = 0 -Замечания: - * База CD используется функцией 24. - * Получить установленную базу CD можно вызовом - подфункции 3 функции 26. - ====================================================================== ========= Функция 21, подфункция 5 - установить язык системы. ======== ====================================================================== @@ -1254,122 +1263,6 @@ dd 1675 * Текущая реализация использует только младший бит ecx. * Получить текущее состояние можно вызовом подфункции 12 функции 26. -====================================================================== -============= Функция 21, подфункция 13, подподфункция 1 ============= -==== Инициализировать + получить информацию о драйвере vmode.mdr. ==== -====================================================================== -Параметры: - * eax = 21 - номер функции - * ebx = 13 - номер подфункции - * ecx = 1 - номер функции драйвера - * edx = указатель на буфер размера 512 байт -Возвращаемое значение: - * если драйвер не загружен (никогда не бывает в текущей реализации): - * eax = -1 - * ebx, ecx разрушаются - * если драйвер загружен: - * eax = 'MDAZ' (в стиле fasm'а, т.е. 'M' - младший байт, - 'Z' - старший) - сигнатура - * ebx = текущая частота развёртки (в Гц) - * ecx разрушается - * буфер, на который указывает edx, заполнен -Формат буфера: - * +0: 32*byte: имя драйвера, "Trans VideoDriver" (без кавычек, - дополнено пробелами) - * +32 = +0x20: dword: версия драйвера (версия x.y кодируется как - y*65536+x), для текущей реализации 1 (1.0) - * +36 = +0x24: 7*dword: зарезервировано (0 в текущей реализации) - * +64 = +0x40: 32*word: список поддерживаемых видеорежимов (каждое - слово - номер видеорежима, после собственно списка идут нули) - * +128 = +0x80: 32*(5*word): список поддерживаемых частот развёрток - для видеорежимов: для каждого видеорежима, указанного в предыдущем - поле, указано до 5 поддерживаемых частот - (в неиспользуемых позициях записаны нули) -Замечания: - * Функция инициализирует драйвер (если он ещё не инициализирован) - и должна вызываться первой, перед остальными (иначе они будут - возвращать -1, ничего не делая). - * В текущей реализации поддерживается только одна частота развёртки - на видеорежим. - -====================================================================== -============= Функция 21, подфункция 13, подподфункция 2 ============= -============= Получить информацию о текущем видеорежиме. ============= -====================================================================== -Параметры: - * eax = 21 - номер функции - * ebx = 13 - номер подфункции - * ecx = 2 - номер функции драйвера -Возвращаемое значение: - * eax = -1 - драйвер не загружен или не инициализирован; - ebx,ecx разрушаются - * eax = [ширина]*65536 + [высота] - * ebx = частота вертикальной развёртки (в Гц) - * ecx = номер текущего видеорежима -Замечания: - * Драйвер предварительно должен быть инициализирован вызовом - функции драйвера 1. - * Если нужны только размеры экрана, целесообразней использовать - функцию 14 с учётом того, что она возвращает размеры на 1 меньше. - -====================================================================== -= Функция 21, подфункция 13, подподфункция 3 - установить видеорежим. -====================================================================== -Параметры: - * eax = 21 - номер функции - * ebx = 13 - номер подфункции - * ecx = 3 - номер функции драйвера - * edx = [частота развёртки]*65536 + [номер видеорежима] -Возвращаемое значение: - * eax = -1 - драйвер не загружен, не инициализирован или - произошла ошибка - * eax = 0 - успешно - * ebx, ecx разрушаются -Замечания: - * Драйвер предварительно должен быть инициализирован вызовом - функции драйвера 1. - * Номер видеорежима и частота должны быть в таблице, возвращаемой - функцией драйвера 1. - -====================================================================== -============= Функция 21, подфункция 13, подподфункция 4 ============= -================= Вернуться к начальному видеорежиму. ================ -====================================================================== -Возвращает экран в видеорежим, установленный при загрузке системы. -Параметры: - * eax = 21 - номер функции - * ebx = 13 - номер подфункции - * ecx = 4 - номер функции драйвера -Возвращаемое значение: - * eax = -1 - драйвер не загружен или не инициализирован - * eax = 0 - успешно - * ebx, ecx разрушаются -Замечания: - * Драйвер предварительно должен быть инициализирован вызовом - функции драйвера 1. - -====================================================================== -============= Функция 21, подфункция 13, подподфункция 5 ============= -======== Увеличить/уменьшить размер видимой области монитора. ======== -====================================================================== -Параметры: - * eax = 21 - номер функции - * ebx = 13 - номер подфункции - * ecx = 5 - номер функции драйвера - * edx = 0/1 - уменьшить/увеличить размер по горизонтали - на одну позицию - * edx = 2/3 - в текущей реализации не поддерживается; планируется - как уменьшение/увеличение размера по вертикали на одну позицию -Возвращаемое значение: - * eax = -1 - драйвер не загружен или не инициализирован - * eax = 0 - успешно - * ebx, ecx разрушаются -Замечания: - * Драйвер предварительно должен быть инициализирован вызовом - функции драйвера 1. - * Функция влияет только на физический размер изображения - на мониторе; логический размер (число пикселей) не меняется. - ====================================================================== ============ Функция 22 - установить системную дату/время. =========== ====================================================================== @@ -1432,59 +1325,6 @@ dd 1675 с eax=0, если сложение ebx с текущим значением счётчика времени вызовет 32-битное переполнение. -====================================================================== -======= Функция 24, подфункция 1 - начать проигрывать CD-audio. ====== -====================================================================== -Параметры: - * eax = 24 - номер функции - * ebx = 1 - номер подфункции - * ecx = 0x00FRSSMM, где - * MM = начальная минута - * SS = начальная секунда - * FR = начальный фрейм -Возвращаемое значение: - * eax = 0 - успешно - * eax = 1 - не определена база CD -Замечания: - * Предварительно нужно определить базовый порт CD вызовом - подфункции 3 функции 21. - * В секунде 75 фреймов, в минуте 60 секунд. - * Функция асинхронна (возвращает управление, когда началось - проигрывание). - -====================================================================== -===== Функция 24, подфункция 2 - получить информацию о дорожках. ===== -====================================================================== -Параметры: - * eax = 24 - номер функции - * ebx = 2 - номер подфункции - * ecx = указатель на буфер для таблицы - (максимум 8*64h+4 байт=100 дорожек) -Возвращаемое значение: - * eax = 0 - успешно - * eax = 1 - не определена база CD -Замечания: - * Формат таблицы с информацией о дорожках такой же, как и для - ATAPI-CD команды 43h (READ TOC), обычной таблицы (подкоманда 00h). - Адреса возвращаются в формате MSF. - * Предварительно нужно определить базовый порт CD вызовом - подфункции 3 функции 21. - * Функция возвращает информацию только о не более чем 100 - первых дорожках. В большинстве случаев этого достаточно. - -====================================================================== -==== Функция 24, подфункция 3 - остановить проигрываемое CD-audio. === -====================================================================== -Параметры: - * eax = 24 - номер функции - * ebx = 1 - номер подфункции -Возвращаемое значение: - * eax = 0 - успешно - * eax = 1 - не определена база CD -Замечания: - * Предварительно нужно определить базовый порт CD вызовом - подфункции 3 функции 21. - ====================================================================== ======= Функция 24, подфункция 4 - извлечь лоток привода диска. ====== ====================================================================== @@ -1587,18 +1427,6 @@ dd 1675 (используя описываемую функцию). * Приложение @panel переключает раскладки по запросу пользователя. -====================================================================== -============ Функция 26, подфункция 3 - получить базу CD. ============ -====================================================================== -Параметры: - * eax = 26 - номер функции - * ebx = 3 - номер подфункции -Возвращаемое значение: - * eax = база CD: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 -Замечания: - * База CD используется функцией 24. - * Установить базу CD можно вызовом подфункции 3 функции 21. - ====================================================================== ========== Функция 26, подфункция 5 - получить язык системы. ========= ====================================================================== diff --git a/kernel/trunk/docs/sysfuncs.txt b/kernel/trunk/docs/sysfuncs.txt index a4bc43be96..eb3aa33f08 100644 --- a/kernel/trunk/docs/sysfuncs.txt +++ b/kernel/trunk/docs/sysfuncs.txt @@ -845,7 +845,7 @@ Parameters: * eax = 18 - function number * ebx = 11 - subfunction number * ecx = type of the table: - * 1 = short version, 10 bytes + * 1 = short version, 16 bytes * edx = pointer to the buffer (in the application) for the table Returned value: * function does not return value @@ -861,25 +861,49 @@ Format of the table: short version: * 5 = 2.88Mb, 3.5'' (such drives are not used anymore) For example, for the standard configuration from one 1.44-drive here will be 40h, and for the case 1.2Mb on A: and 1.44Mb on B: - the value is 24h. + the value is 24h. + + First IDE controller: * +1: byte: information about hard disks and CD-drives, AABBCCDD, where AA corresponds to the controller IDE0, ..., DD - IDE3: - * 0 = device is absent + * 0 = device not found * 1 = hard drive * 2 = CD-drive For example, in the case HD on IDE0 and CD on IDE2 this field contains 48h. * +2: 4 db: number of the retrieved partitions on hard disks - at accordingly IDE0,...,IDE3. + at accordingly IDE0,...,IDE3. + + Second IDE controller: + * +6: byte: information about hard disks and CD-drives, AABBCCDD, + where AA corresponds to the controller IDE4, ..., DD - IDE7: + * 0 = device not found + * 1 = hard drive + * 2 = CD-drive + For example, in the case HD on IDE4 and CD on IDE6 + this field contains 48h. + * +7: 4 db: number of the retrieved partitions on hard disks + at accordingly IDE4,...,IDE7. + + Third IDE controller: + * +11: byte: information about hard disks and CD-drives, AABBCCDD, + where AA corresponds to the controller IDE8, ..., DD - IDE11: + * 0 = device not found + * 1 = hard drive + * 2 = CD-drive + For example, in the case HD on IDE8 and CD on IDE10 + this field contains 48h. + * +12: 4 db: number of the retrieved partitions on hard disks + at accordingly IDE8,...,IDE11. + If the hard disk on IDEx is absent, appropriate byte is zero, otherwise it shows number of the recognized partitions, which can be not presented (if the drive is not formatted or if the file system is not supported). Current version of the kernel - supports only FAT16, FAT32 and NTFS for hard disks. - * +6: 4 db: reserved + supports only FAT12/16/32, NTFS, ext2/3/4 and XFS for hard disks. Remarks: - * The short table can be used for obtaining the information about + * The table can be used for obtaining the information about available devices. ====================================================================== @@ -1193,19 +1217,6 @@ Remarks: the corresponding icon. * The application @panel switches layouts on user request. -====================================================================== -============== Function 21, subfunction 3 - set CD base. ============= -====================================================================== -Parameters: - * eax = 21 - function number - * ebx = 3 - subfunction number - * ecx = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 -Returned value: - * eax = 0 -Remarks: - * CD base is used by function 24. - * To get CD base use subfunction 3 of function 26. - ====================================================================== ========== Function 21, subfunction 5 - set system language. ========= ====================================================================== @@ -1251,120 +1262,6 @@ Remarks: * The current implementation uses only low bit of ecx. * To get current status use subfunction 12 of function 26. -====================================================================== -============ Function 21, subfunction 13, subsubfunction 1 =========== -======== Initialize + get information on the driver vmode.mdr. ======= -====================================================================== -Parameters: - * eax = 21 - function number - * ebx = 13 - subfunction number - * ecx = 1 - number of the driver function - * edx = pointer to 512-bytes buffer -Returned value: - * if driver is not loaded - (never happens in the current implementation): - * eax = -1 - * ebx, ecx destroyed - * if driver is loaded: - * eax = 'MDAZ' (in fasm style, that is 'M' - low byte, 'Z' - high) - - signature - * ebx = current frequency of the scanning (in Hz) - * ecx destroyed - * buffer pointed to by edx is filled -Format of the buffer: - * +0: 32*byte: driver name, "Trans VideoDriver" - (without quotes, supplemented by spaces) - * +32 = +0x20: dword: driver version (version x.y is encoded as - y*65536+x), for the current implementation is 1 (1.0) - * +36 = +0x24: 7*dword: reserved (0 in the current implementation) - * +64 = +0x40: 32*word: list of supported videomodes (each word - is number of a videomode, after list itself there are zeroes) - * +128 = +0x80: 32*(5*word): list of supported frequences of the - scannings for videomodes: for each videomode listed in the - previous field up to 5 supported frequences are given - (unused positions contain zeroes) -Remarks: - * Function initializes the driver (if it is not initialized yet) - and must be called first, before others (otherwise they will do - nothing and return -1). - * The current implementation supports only one frequency - of the scanning on videomode. - -====================================================================== -============ Function 21, subfunction 13, subsubfunction 2 =========== -================ Get information on current videomode. =============== -====================================================================== -Parameters: - * eax = 21 - function number - * ebx = 13 - subfunction number - * ecx = 2 - number of the driver function -Returned value: - * eax = -1 - driver is not loaded or not initialized; - ebx,ecx are destroyed - * eax = [width]*65536 + [height] - * ebx = frequency of the vertical scanning (in Hz) - * ecx = number of current videomode -Remarks: - * Driver must be initialized by call to - driver function 1. - * If only screen sizes are required, it is more expedient to use - function 14 taking into account that it - returns sizes on 1 less. - -====================================================================== -=== Function 21, subfunction 13, subsubfunction 3 - set videomode. === -====================================================================== -Parameters: - * eax = 21 - function number - * ebx = 13 - subfunction number - * ecx = 3 - number of the driver function - * edx = [scanning frequency]*65536 + [videomode number] -Returned value: - * eax = -1 - driver is not loaded, not initialized or - an error has occured - * eax = 0 - success - * ebx, ecx destroyed -Remarks: - * Driver must be initialized by driver function 1. - * The videomode number and frequency must be in the table - returned by driver function 1. - -====================================================================== -============ Function 21, subfunction 13, subsubfunction 4 =========== -================== Return to the initial videomode. ================== -====================================================================== -Returns the screen to the videomode set at system boot. -Parameters: - * eax = 21 - function number - * ebx = 13 - subfunction number - * ecx = 4 - number of the driver function -Returned value: - * eax = -1 - driver is not loaded or not initialized - * eax = 0 - success - * ebx, ecx destroyed -Remarks: - * Driver must be initialized by call to driver function 1. - -====================================================================== -============ Function 21, subfunction 13, subsubfunction 5 =========== -===== Increase/decrease the size of the visible area of monitor. ===== -====================================================================== -Parameters: - * eax = 21 - function number - * ebx = 13 - subfunction number - * ecx = 5 - number of the driver function - * edx = 0/1 - decrease/increase horizontal size on 1 position - * edx = 2/3 - is not supported in the current implementation; - is planned as decrease/increase vertical size on 1 position -Returned value: - * eax = -1 - driver is not loaded or not initialized - * eax = 0 - success - * ebx, ecx destroyed -Remarks: - * Driver must be initialized by call to driver function 1. - * Function influences only the physical size of the screen image; - the logical size (number of pixels) does not change. - ====================================================================== ================= Function 22 - set system date/time. ================ ====================================================================== @@ -1426,58 +1323,6 @@ Remarks: if the addition of ebx with the current value of time counter makes 32-bit overflow. -====================================================================== -======== Function 24, subfunction 1 - begin to play CD-audio. ======== -====================================================================== -Parameters: - * eax = 24 - function number - * ebx = 1 - subfunction number - * ecx = 0x00FRSSMM, where - * MM = starting minute - * SS = starting second - * FR = starting frame -Returned value: - * eax = 0 - success - * eax = 1 - CD base is not defined -Remarks: - * Previously CD base must be defined by the call to - subfunction 3 of function 21. - * One second includes 75 frames, one minute includes 60 seconds. - * The function is asynchronous (returns control, when play begins). - -====================================================================== -======= Function 24, subfunction 2 - get information on tracks. ====== -====================================================================== -Parameters: - * eax = 24 - function number - * ebx = 2 - subfunction number - * ecx = pointer to the buffer for the table - (maximum 8*64h+4 bytes=100 tracks) -Returned value: - * eax = 0 - success - * eax = 1 - CD base is not defined -Remarks: - * The format of the table with tracks information is the same as - for ATAPI-CD command 43h (READ TOC), usual table (subcommand 00h). - Function returns addresses in MSF. - * Previously CD base port must be set by call to - subfunction 3 of function 21. - * Function returns information only about no more than 100 - first tracks. In most cases it is enough. - -====================================================================== -========== Function 24, subfunction 3 - stop play CD-audio. ========== -====================================================================== -Parameters: - * eax = 24 - function number - * ebx = 1 - subfunction number -Returned value: - * eax = 0 - success - * eax = 1 - CD base is not defined -Remarks: - * Previously CD base port must be defined by call to - subfunction 3 of function 21. - ====================================================================== ======= Function 24, subfunction 4 - eject tray of disk drive. ======= ====================================================================== @@ -1577,18 +1422,6 @@ Remarks: the corresponding icon (using this function). * The application @panel switches layouts on user request. -====================================================================== -============== Function 26, subfunction 3 - get CD base. ============= -====================================================================== -Parameters: - * eax = 26 - function number - * ebx = 3 - subfunction number -Returned value: - * eax = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 -Remarks: - * CD base is used by function 24. - * To set CD base use subfunction 3 of function 21. - ====================================================================== ========== Function 26, subfunction 5 - get system language. ========= ====================================================================== diff --git a/kernel/trunk/fs/fs_lfn.inc b/kernel/trunk/fs/fs_lfn.inc index cf42f61827..dc3f146842 100644 --- a/kernel/trunk/fs/fs_lfn.inc +++ b/kernel/trunk/fs/fs_lfn.inc @@ -43,6 +43,30 @@ rootdirs: db 3,'cd3' dd fs_OnCd3 dd fs_NextCd + db 3,'cd4' + dd fs_OnCd4 + dd fs_NextCd + db 3,'cd5' + dd fs_OnCd5 + dd fs_NextCd + db 3,'cd6' + dd fs_OnCd6 + dd fs_NextCd + db 3,'cd7' + dd fs_OnCd7 + dd fs_NextCd + db 3,'cd8' + dd fs_OnCd8 + dd fs_NextCd + db 3,'cd9' + dd fs_OnCd9 + dd fs_NextCd + db 4,'cd10' + dd fs_OnCd10 + dd fs_NextCd + db 4,'cd11' + dd fs_OnCd11 + dd fs_NextCd ;*********************************************** db 0 @@ -57,6 +81,22 @@ virtual_root_query: db 'cd2',0 dd fs_HasCd3 db 'cd3',0 + dd fs_HasCd4 + db 'cd4',0 + dd fs_HasCd5 + db 'cd5',0 + dd fs_HasCd6 + db 'cd6',0 + dd fs_HasCd7 + db 'cd7',0 + dd fs_HasCd8 + db 'cd8',0 + dd fs_HasCd9 + db 'cd9',0 + dd fs_HasCd10 + db 'cd10',0 + dd fs_HasCd11 + db 'cd11',0 ;********************************************** dd 0 endg @@ -149,8 +189,8 @@ file_system_lfn: cmp dword [ebx], 1 jnz .access_denied xor eax, eax - mov ebp, [ebx+12] ;количество блоков для считывания - mov edx, [ebx+16] ;куда записывать рузельтат + mov ebp, [ebx+12] ;the number of blocks to read + mov edx, [ebx+16] ;where to write the result ; add edx, std_application_base_address push dword [ebx+4] ; first block mov ebx, [ebx+8] ; flags @@ -404,8 +444,7 @@ file_system_lfn: fs_NotImplemented: mov eax, 2 ret - -;******************************************************* +;----------------------------------------------------------------------------- fs_OnCd0: call reserve_cd mov [ChannelNumber], 1 @@ -413,6 +452,7 @@ fs_OnCd0: push 6 push 1 jmp fs_OnCd +;----------------------------------------------------------------------------- fs_OnCd1: call reserve_cd mov [ChannelNumber], 1 @@ -420,6 +460,7 @@ fs_OnCd1: push 4 push 2 jmp fs_OnCd +;----------------------------------------------------------------------------- fs_OnCd2: call reserve_cd mov [ChannelNumber], 2 @@ -427,22 +468,96 @@ fs_OnCd2: push 2 push 3 jmp fs_OnCd +;----------------------------------------------------------------------------- fs_OnCd3: call reserve_cd mov [ChannelNumber], 2 mov [DiskNumber], 1 push 0 push 4 + jmp fs_OnCd +;----------------------------------------------------------------------------- +fs_OnCd4: + call reserve_cd + mov [ChannelNumber], 1 + mov [DiskNumber], 0 + push 6 + push 5 + jmp fs_OnCd +;----------------------------------------------------------------------------- +fs_OnCd5: + call reserve_cd + mov [ChannelNumber], 1 + mov [DiskNumber], 1 + push 4 + push 6 + jmp fs_OnCd +;----------------------------------------------------------------------------- +fs_OnCd6: + call reserve_cd + mov [ChannelNumber], 2 + mov [DiskNumber], 0 + push 2 + push 7 + jmp fs_OnCd +;----------------------------------------------------------------------------- +fs_OnCd7: + call reserve_cd + mov [ChannelNumber], 2 + mov [DiskNumber], 1 + push 0 + push 8 + jmp fs_OnCd +;----------------------------------------------------------------------------- +fs_OnCd8: + call reserve_cd + mov [ChannelNumber], 1 + mov [DiskNumber], 0 + push 6 + push 9 + jmp fs_OnCd +;----------------------------------------------------------------------------- +fs_OnCd9: + call reserve_cd + mov [ChannelNumber], 1 + mov [DiskNumber], 1 + push 4 + push 10 + jmp fs_OnCd +;----------------------------------------------------------------------------- +fs_OnCd10: + call reserve_cd + mov [ChannelNumber], 2 + mov [DiskNumber], 0 + push 2 + push 11 + jmp fs_OnCd +;----------------------------------------------------------------------------- +fs_OnCd11: + call reserve_cd + mov [ChannelNumber], 2 + mov [DiskNumber], 1 + push 0 + push 12 +;----------------------------------------------------------------------------- fs_OnCd: - call reserve_cd_channel pop eax mov [cdpos], eax + call reserve_cd_channel pop eax cmp ecx, 0x100 jae .nf push ecx ebx mov cl, al - mov bl, [DRIVE_DATA+1] + + push eax + mov eax, [cdpos] + dec eax + shr eax, 2 + lea eax, [eax*5] + mov bl, [eax+DRIVE_DATA+1] + pop eax + shr bl, cl test bl, 2 pop ebx ecx @@ -472,7 +587,7 @@ fs_OnCd: and [cd_status], 0 mov dword [image_of_eax], 2 ; not implemented ret - +;----------------------------------------------------------------------------- fs_CdServices: dd fs_CdRead dd fs_CdReadFolder @@ -485,32 +600,74 @@ fs_CdServices: dd fs_NotImplemented dd fs_NotImplemented fs_NumCdServices = ($ - fs_CdServices)/4 - -;******************************************************* +;----------------------------------------------------------------------------- fs_HasCd0: test byte [DRIVE_DATA+1], 10000000b setnz al ret +;-------------------------------------- fs_HasCd1: test byte [DRIVE_DATA+1], 00100000b setnz al ret +;-------------------------------------- fs_HasCd2: test byte [DRIVE_DATA+1], 00001000b setnz al ret +;-------------------------------------- fs_HasCd3: test byte [DRIVE_DATA+1], 00000010b setnz al ret -;******************************************************* - +;-------------------------------------- +fs_HasCd4: + test byte [DRIVE_DATA+6], 10000000b + setnz al + ret +;-------------------------------------- +fs_HasCd5: + test byte [DRIVE_DATA+6], 00100000b + setnz al + ret +;-------------------------------------- +fs_HasCd6: + test byte [DRIVE_DATA+6], 00001000b + setnz al + ret +;-------------------------------------- +fs_HasCd7: + test byte [DRIVE_DATA+6], 00000010b + setnz al + ret +;-------------------------------------- +fs_HasCd8: + test byte [DRIVE_DATA+11], 10000000b + setnz al + ret +;-------------------------------------- +fs_HasCd9: + test byte [DRIVE_DATA+11], 00100000b + setnz al + ret +;-------------------------------------- +fs_HasCd10: + test byte [DRIVE_DATA+11], 00001000b + setnz al + ret +;-------------------------------------- +fs_HasCd11: + test byte [DRIVE_DATA+11], 00000010b + setnz al + ret +;----------------------------------------------------------------------------- +; ; fs_NextXXX functions: ; in: eax = partition number, from which start to scan ; out: CF=1 => no more partitions ; CF=0 => eax=next partition number - -;******************************************************* +; +;----------------------------------------------------------------------------- fs_NextCd: ; we always have /cdX/1 test eax, eax @@ -520,8 +677,6 @@ fs_NextCd: clc @@: ret -;******************************************************* - ;----------------------------------------------------------------------------- process_replace_file_name: ; in diff --git a/kernel/trunk/fs/iso9660.inc b/kernel/trunk/fs/iso9660.inc index ff3bd6f8bd..3659ba832e 100644 --- a/kernel/trunk/fs/iso9660.inc +++ b/kernel/trunk/fs/iso9660.inc @@ -7,18 +7,15 @@ $Revision$ - +;----------------------------------------------------------------------------- uglobal cd_current_pointer_of_input dd 0 cd_current_pointer_of_input_2 dd 0 cd_mem_location dd 0 cd_counter_block dd 0 -IDE_Channel_1 db 0 -IDE_Channel_2 db 0 endg - +;----------------------------------------------------------------------------- reserve_cd: - cli cmp [cd_status], 0 je reserve_ok2 @@ -26,9 +23,8 @@ reserve_cd: sti call change_task jmp reserve_cd - - reserve_ok2: - +;----------------------------------------------------------------------------- +reserve_ok2: push eax mov eax, [CURRENT_TASK] shl eax, 5 @@ -37,48 +33,105 @@ reserve_cd: pop eax sti ret - +;----------------------------------------------------------------------------- reserve_cd_channel: - cmp [ChannelNumber], 1 - jne .IDE_Channel_2 -.IDE_Channel_1: pushad - mov ecx, ide_channel1_mutex - call mutex_lock - mov [IDE_Channel_1], 1 - popad - ret -.IDE_Channel_2: - pushad - mov ecx, ide_channel2_mutex - call mutex_lock - mov [IDE_Channel_2], 1 - popad - ret + mov eax, [cdpos] + dec eax + shr eax, 2 + test eax, eax + jnz .1 + + cmp [ChannelNumber], 1 + jne @f + + mov ecx, ide_channel1_mutex + jmp .mutex_lock +;-------------------------------------- +@@: + mov ecx, ide_channel2_mutex + jmp .mutex_lock +;-------------------------------------- +.1: + dec eax + jnz .2 + + cmp [ChannelNumber], 1 + jne @f + + mov ecx, ide_channel3_mutex + jmp .mutex_lock +;-------------------------------------- +@@: + mov ecx, ide_channel4_mutex + jmp .mutex_lock +;-------------------------------------- +.2: + cmp [ChannelNumber], 1 + jne @f + + mov ecx, ide_channel5_mutex + jmp .mutex_lock +;-------------------------------------- +@@: + mov ecx, ide_channel6_mutex +.mutex_lock: + call mutex_lock + popad + ret +;----------------------------------------------------------------------------- free_cd_channel: - cmp [ChannelNumber], 1 - jne .IDE_Channel_2 -.IDE_Channel_1: - mov [IDE_Channel_1], 0 pushad - mov ecx, ide_channel1_mutex - call mutex_unlock - popad - ret -.IDE_Channel_2: - mov [IDE_Channel_2], 0 - pushad - mov ecx, ide_channel2_mutex - call mutex_unlock - popad - ret + mov eax, [cdpos] + dec eax + shr eax, 2 + test eax, eax + jnz .1 + + cmp [ChannelNumber], 1 + jne @f + + mov ecx, ide_channel1_mutex + jmp .mutex_unlock +;-------------------------------------- +@@: + mov ecx, ide_channel2_mutex + jmp .mutex_unlock +;-------------------------------------- +.1: + dec eax + jnz .2 + + cmp [ChannelNumber], 1 + jne @f + + mov ecx, ide_channel3_mutex + jmp .mutex_unlock +;-------------------------------------- +@@: + mov ecx, ide_channel4_mutex + jmp .mutex_unlock +;-------------------------------------- +.2: + cmp [ChannelNumber], 1 + jne @f + + mov ecx, ide_channel5_mutex + jmp .mutex_unlock +;-------------------------------------- +@@: + mov ecx, ide_channel6_mutex +.mutex_unlock: + call mutex_unlock + popad + ret +;----------------------------------------------------------------------------- uglobal cd_status dd 0 endg - -;---------------------------------------------------------------- +;----------------------------------------------------------------------------- ; ; fs_CdRead - LFN variant for reading CD disk ; @@ -91,91 +144,114 @@ endg ; ret ebx = bytes read or 0xffffffff file not found ; eax = 0 ok read or other = errormsg ; -;-------------------------------------------------------------- +;----------------------------------------------------------------------------- fs_CdRead: push edi cmp byte [esi], 0 jnz @f +;-------------------------------------- .noaccess: pop edi +;-------------------------------------- .noaccess_2: or ebx, -1 mov eax, ERROR_ACCESS_DENIED ret - +;-------------------------------------- .noaccess_3: pop eax edx ecx edi jmp .noaccess_2 - +;-------------------------------------- @@: call cd_find_lfn jnc .found + pop edi cmp [DevErrorCode], 0 jne .noaccess_2 + or ebx, -1 mov eax, ERROR_FILE_NOT_FOUND ret - +;-------------------------------------- .found: mov edi, [cd_current_pointer_of_input] test byte [edi+25], 10b; do not allow read directories jnz .noaccess + test ebx, ebx jz .l1 + cmp dword [ebx+4], 0 jz @f + xor ebx, ebx +;-------------------------------------- .reteof: mov eax, 6; end of file pop edi ret +;-------------------------------------- @@: mov ebx, [ebx] +;-------------------------------------- .l1: push ecx edx push 0 - mov eax, [edi+10] ; реальный размер файловой секции + mov eax, [edi+10] ; real size of the file section sub eax, ebx jb .eof + cmp eax, ecx jae @f + mov ecx, eax mov byte [esp], 6 +;-------------------------------------- @@: mov eax, [edi+2] mov [CDSectorAddress], eax +;-------------------------------------- ; now eax=cluster, ebx=position, ecx=count, edx=buffer for data .new_sector: test ecx, ecx jz .done + sub ebx, 2048 jae .next + add ebx, 2048 jnz .incomplete_sector + cmp ecx, 2048 jb .incomplete_sector ; we may read and memmove complete sector mov [CDDataBuf_pointer], edx - call ReadCDWRetr; читаем сектор файла + call ReadCDWRetr ; read sector of file cmp [DevErrorCode], 0 jne .noaccess_3 + add edx, 2048 sub ecx, 2048 +;-------------------------------------- .next: inc dword [CDSectorAddress] jmp .new_sector +;-------------------------------------- .incomplete_sector: ; we must read and memmove incomplete sector mov [CDDataBuf_pointer], CDDataBuf - call ReadCDWRetr; читаем сектор файла + call ReadCDWRetr ; read sector of file cmp [DevErrorCode], 0 jne .noaccess_3 + push ecx add ecx, ebx cmp ecx, 2048 jbe @f + mov ecx, 2048 +;-------------------------------------- @@: sub ecx, ebx push edi esi ecx @@ -189,19 +265,19 @@ fs_CdRead: pop ecx xor ebx, ebx jmp .next - +;-------------------------------------- .done: mov ebx, edx pop eax edx ecx edi sub ebx, edx ret +;-------------------------------------- .eof: mov ebx, edx pop eax edx ecx sub ebx, edx jmp .reteof - -;---------------------------------------------------------------- +;----------------------------------------------------------------------------- ; ; fs_CdReadFolder - LFN variant for reading CD disk folder ; @@ -215,30 +291,37 @@ fs_CdRead: ; ret ebx = blocks read or 0xffffffff folder not found ; eax = 0 ok read or other = errormsg ; -;-------------------------------------------------------------- +;----------------------------------------------------------------------------- fs_CdReadFolder: push edi call cd_find_lfn jnc .found + pop edi cmp [DevErrorCode], 0 jne .noaccess_1 + or ebx, -1 mov eax, ERROR_FILE_NOT_FOUND ret +;-------------------------------------- .found: mov edi, [cd_current_pointer_of_input] test byte [edi+25], 10b ; do not allow read directories jnz .found_dir + pop edi +;-------------------------------------- .noaccess_1: or ebx, -1 mov eax, ERROR_ACCESS_DENIED ret +;-------------------------------------- .found_dir: mov eax, [edi+2] ; eax=cluster mov [CDSectorAddress], eax - mov eax, [edi+10] ; размер директрории + mov eax, [edi+10] ; directory size +;-------------------------------------- .doit: ; init header push eax ecx @@ -250,21 +333,23 @@ fs_CdReadFolder: mov byte [edx], 1 ; version mov [cd_mem_location], edx add [cd_mem_location], 32 -; начинаем переброску БДВК в УСВК ;.mainloop: mov [cd_counter_block], dword 0 dec dword [CDSectorAddress] push ecx +;-------------------------------------- .read_to_buffer: inc dword [CDSectorAddress] mov [CDDataBuf_pointer], CDDataBuf - call ReadCDWRetr ; читаем сектор директории + call ReadCDWRetr ; read sector of directory cmp [DevErrorCode], 0 jne .noaccess_1 + call .get_names_from_buffer sub eax, 2048 -; директория закончилась? +; directory is over? ja .read_to_buffer + mov edi, [cd_counter_block] mov [edx+8], edi mov edi, [ebx] @@ -272,24 +357,30 @@ fs_CdReadFolder: xor eax, eax dec ecx js @f + mov al, ERROR_END_OF_FILE +;-------------------------------------- @@: pop ecx edi mov ebx, [edx+4] ret - +;-------------------------------------- .get_names_from_buffer: mov [cd_current_pointer_of_input_2], CDDataBuf push eax esi edi edx +;-------------------------------------- .get_names_from_buffer_1: call cd_get_name jc .end_buffer + inc dword [cd_counter_block] mov eax, [cd_counter_block] cmp [ebx], eax jae .get_names_from_buffer_1 + test ecx, ecx jz .get_names_from_buffer_1 + mov edi, [cd_counter_block] mov [edx+4], edi dec ecx @@ -298,189 +389,209 @@ fs_CdReadFolder: add edi, 40 test dword [ebx+4], 1; 0=ANSI, 1=UNICODE jnz .unicode -; jmp .unicode +;-------------------------------------- .ansi: cmp [cd_counter_block], 2 jbe .ansi_parent_directory + cld lodsw xchg ah, al call uni2ansi_char cld stosb -; проверка конца файла +; check end of file mov ax, [esi] - cmp ax, word 3B00h; сепаратор конца файла ';' + cmp ax, word 3B00h ; separator end of file ';' je .cd_get_parameters_of_file_1 -; проверка для файлов не заканчивающихся сепаратором +; check for files not ending with separator movzx eax, byte [ebp-33] add eax, ebp sub eax, 34 cmp esi, eax je .cd_get_parameters_of_file_1 -; проверка конца папки +; check the end of the directory movzx eax, byte [ebp-1] add eax, ebp cmp esi, eax jb .ansi +;-------------------------------------- .cd_get_parameters_of_file_1: mov [edi], byte 0 call cd_get_parameters_of_file add [cd_mem_location], 304 jmp .get_names_from_buffer_1 - +;-------------------------------------- .ansi_parent_directory: cmp [cd_counter_block], 2 je @f + mov [edi], byte '.' inc edi jmp .cd_get_parameters_of_file_1 +;-------------------------------------- @@: mov [edi], word '..' add edi, 2 jmp .cd_get_parameters_of_file_1 - +;-------------------------------------- .unicode: cmp [cd_counter_block], 2 jbe .unicode_parent_directory + cld movsw -; проверка конца файла +; check end of file mov ax, [esi] - cmp ax, word 3B00h; сепаратор конца файла ';' + cmp ax, word 3B00h; separator end of file ';' je .cd_get_parameters_of_file_2 -; проверка для файлов не заканчивающихся сепаратором +; check for files not ending with separator movzx eax, byte [ebp-33] add eax, ebp sub eax, 34 cmp esi, eax je .cd_get_parameters_of_file_2 -; проверка конца папки +; check the end of the directory movzx eax, byte [ebp-1] add eax, ebp cmp esi, eax jb .unicode +;-------------------------------------- .cd_get_parameters_of_file_2: mov [edi], word 0 call cd_get_parameters_of_file add [cd_mem_location], 560 jmp .get_names_from_buffer_1 - +;-------------------------------------- .unicode_parent_directory: cmp [cd_counter_block], 2 je @f + mov [edi], word 2E00h; '.' add edi, 2 jmp .cd_get_parameters_of_file_2 +;-------------------------------------- @@: mov [edi], dword 2E002E00h; '..' add edi, 4 jmp .cd_get_parameters_of_file_2 - +;-------------------------------------- .end_buffer: pop edx edi esi eax ret - +;----------------------------------------------------------------------------- cd_get_parameters_of_file: mov edi, [cd_mem_location] cd_get_parameters_of_file_1: -; получаем атрибуты файла +; get file attributes xor eax, eax -; файл не архивировался +; file is not archived inc eax shl eax, 1 -; это каталог? +; is a directory? test [ebp-8], byte 2 jz .file + inc eax +;-------------------------------------- .file: -; метка тома не как в FAT, в этом виде отсутсвует -; файл не является системным +; not as a volume label in the FAT, in this form not available +; file is not a system shl eax, 3 -; файл является скрытым? (атрибут существование) +; file is hidden? (attribute of existence) test [ebp-8], byte 1 jz .hidden + inc eax +;-------------------------------------- .hidden: shl eax, 1 -; файл всегда только для чтения, так как это CD +; file is always read-only, as this CD inc eax mov [edi], eax -; получаем время для файла -;час +; get the time to file +; hour movzx eax, byte [ebp-12] shl eax, 8 -;минута +; minute mov al, [ebp-11] shl eax, 8 -;секунда +; second mov al, [ebp-10] -;время создания файла +; file creation time mov [edi+8], eax -;время последнего доступа +; last access time mov [edi+16], eax -;время последней записи +; last write time mov [edi+24], eax -; получаем дату для файла -;год +; get date for file +; year movzx eax, byte [ebp-15] add eax, 1900 shl eax, 8 -;месяц +; month mov al, [ebp-14] shl eax, 8 -;день +; day mov al, [ebp-13] -;дата создания файла +; file creation date mov [edi+12], eax -;время последнего доступа +; last access date mov [edi+20], eax -;время последней записи +; last write date mov [edi+28], eax -; получаем тип данных имени +; get the data type of name xor eax, eax test dword [ebx+4], 1; 0=ANSI, 1=UNICODE jnz .unicode_1 + mov [edi+4], eax jmp @f +;-------------------------------------- .unicode_1: inc eax mov [edi+4], eax +;-------------------------------------- @@: -; получаем размер файла в байтах +; get the file size in bytes xor eax, eax mov [edi+32+4], eax mov eax, [ebp-23] mov [edi+32], eax ret - -;---------------------------------------------------------------- +;----------------------------------------------------------------------------- ; ; fs_CdGetFileInfo - LFN variant for CD ; get file/directory attributes structure ; -;---------------------------------------------------------------- +;----------------------------------------------------------------------------- fs_CdGetFileInfo: cmp byte [esi], 0 jnz @f + mov eax, 2 ret +;-------------------------------------- @@: push edi call cd_find_lfn pushfd cmp [DevErrorCode], 0 jz @f + popfd pop edi mov eax, 11 ret +;-------------------------------------- @@: popfd jnc @f + pop edi mov eax, ERROR_FILE_NOT_FOUND ret +;-------------------------------------- @@: mov edi, edx @@ -493,32 +604,31 @@ fs_CdGetFileInfo: pop edi xor eax, eax ret - -;---------------------------------------------------------------- +;----------------------------------------------------------------------------- cd_find_lfn: mov [cd_appl_data], 0 ; in: esi+ebp -> name ; out: CF=1 - file not found ; else CF=0 and [cd_current_pointer_of_input] direntry push eax esi -; 16 сектор начало набора дескрипторов томов - +; Sector 16 - start set of volume descriptors call WaitUnitReady cmp [DevErrorCode], 0 jne .access_denied call prevent_medium_removal -; тестовое чтение +; testing of reading mov [CDSectorAddress], dword 16 mov [CDDataBuf_pointer], CDDataBuf call ReadCDWRetr;_1 cmp [DevErrorCode], 0 jne .access_denied -; вычисление последней сессии +; calculation of the last session call WaitUnitReady cmp [DevErrorCode], 0 jne .access_denied + call Read_TOC mov ah, [CDDataBuf+4+4] mov al, [CDDataBuf+4+5] @@ -529,7 +639,7 @@ cd_find_lfn: mov [CDSectorAddress], eax ; mov [CDSectorAddress],dword 15 mov [CDDataBuf_pointer], CDDataBuf - +;-------------------------------------- .start: inc dword [CDSectorAddress] call ReadCDWRetr;_1 @@ -537,111 +647,128 @@ cd_find_lfn: jne .access_denied .start_check: -; проверка на вшивость +; checking for "lice" cmp [CDDataBuf+1], dword 'CD00' jne .access_denied + cmp [CDDataBuf+5], byte '1' jne .access_denied -; сектор является терминатором набор дескрипторов томов? +; sector is the terminator of set of descriptors volumes? cmp [CDDataBuf], byte 0xff je .access_denied -; сектор является дополнительным и улучшенным дескриптором тома? +; sector is an additional and improved descriptor of volume? cmp [CDDataBuf], byte 0x2 jne .start -; сектор является дополнительным дескриптором тома? +; sector is an additional descriptor of volume? cmp [CDDataBuf+6], byte 0x1 jne .start -; параметры root директрории - mov eax, [CDDataBuf+0x9c+2]; начало root директрории +; parameters of root directory + mov eax, [CDDataBuf+0x9c+2]; start of root directory mov [CDSectorAddress], eax - mov eax, [CDDataBuf+0x9c+10]; размер root директрории + mov eax, [CDDataBuf+0x9c+10]; size of root directory cmp byte [esi], 0 jnz @f + mov [cd_current_pointer_of_input], CDDataBuf+0x9c jmp .done +;-------------------------------------- @@: -; начинаем поиск +; start the search .mainloop: dec dword [CDSectorAddress] +;-------------------------------------- .read_to_buffer: inc dword [CDSectorAddress] mov [CDDataBuf_pointer], CDDataBuf - call ReadCDWRetr ; читаем сектор директории + call ReadCDWRetr ; read sector of directory cmp [DevErrorCode], 0 jne .access_denied + push ebp call cd_find_name_in_buffer pop ebp jnc .found + sub eax, 2048 -; директория закончилась? +; directory is over? cmp eax, 0 ja .read_to_buffer -; нет искомого элемента цепочки +; desired element of chain is not found .access_denied: pop esi eax mov [cd_appl_data], 1 stc ret -; искомый элемент цепочки найден - .found: -; конец пути файла +;-------------------------------------- +; desired element of chain found +.found: +; the end of the file path cmp byte [esi-1], 0 jz .done .nested: mov eax, [cd_current_pointer_of_input] push dword [eax+2] - pop dword [CDSectorAddress] ; начало директории - mov eax, [eax+2+8]; размер директории + pop dword [CDSectorAddress] ; beginning of the directory + mov eax, [eax+2+8] ; size of directory jmp .mainloop -; указатель файла найден - .done: +;-------------------------------------- +; file pointer found +.done: test ebp, ebp jz @f + mov esi, ebp xor ebp, ebp jmp .nested +;-------------------------------------- @@: pop esi eax mov [cd_appl_data], 1 clc ret - +;----------------------------------------------------------------------------- cd_find_name_in_buffer: mov [cd_current_pointer_of_input_2], CDDataBuf +;-------------------------------------- .start: call cd_get_name jc .not_found + call cd_compare_name jc .start +;-------------------------------------- .found: clc ret +;-------------------------------------- .not_found: stc ret - +;----------------------------------------------------------------------------- cd_get_name: push eax mov ebp, [cd_current_pointer_of_input_2] mov [cd_current_pointer_of_input], ebp mov eax, [ebp] - test eax, eax ; входы закончились? + test eax, eax ; entry's is over? jz .next_sector - cmp ebp, CDDataBuf+2048 ; буфер закончился? + + cmp ebp, CDDataBuf+2048 ; buffer is over? jae .next_sector + movzx eax, byte [ebp] - add [cd_current_pointer_of_input_2], eax; следующий вход каталога - add ebp, 33; указатель установлен на начало имени + add [cd_current_pointer_of_input_2], eax ; next entry of directory + add ebp, 33; pointer is set to the beginning of the name pop eax clc ret +;-------------------------------------- .next_sector: pop eax stc ret - +;----------------------------------------------------------------------------- cd_compare_name: ; compares ASCIIZ-names, case-insensitive (cp866 encoding) ; in: esi->name, ebp->name @@ -650,6 +777,7 @@ cd_compare_name: ; destroys eax push esi eax edi mov edi, ebp +;-------------------------------------- .loop: cld lodsb @@ -666,94 +794,118 @@ cd_compare_name: sub edi, 2 scasw jne .name_not_coincide +;-------------------------------------- .coincides: - cmp [esi], byte '/'; разделитель пути, конец имени текущего элемента + cmp [esi], byte '/' ; path separator is end of current element je .done - cmp [esi], byte 0; разделитель пути, конец имени текущего элемента + + cmp [esi], byte 0 ; path separator end of name je .done + jmp .loop +;-------------------------------------- .name_not_coincide: pop edi eax esi stc ret +;-------------------------------------- .done: -; проверка конца файла - cmp [edi], word 3B00h; сепаратор конца файла ';' +; check end of file + cmp [edi], word 3B00h; separator end of file ';' je .done_1 -; проверка для файлов не заканчивающихся сепаратором +; check for files not ending with separator movzx eax, byte [ebp-33] add eax, ebp sub eax, 34 cmp edi, eax je .done_1 -; проверка конца папки +; check the end of directory movzx eax, byte [ebp-1] add eax, ebp cmp edi, eax jne .name_not_coincide +;-------------------------------------- .done_1: pop edi eax add esp, 4 inc esi clc ret - +;----------------------------------------------------------------------------- char_todown: ; convert character to uppercase, using cp866 encoding ; in: al=symbol ; out: al=converted symbol cmp al, 'A' jb .ret + cmp al, 'Z' jbe .az + cmp al, 0x80 ; 'А' jb .ret + cmp al, 0x90 ; 'Р' jb .rus1 + cmp al, 0x9F ; 'Я' ja .ret ; 0x90-0x9F -> 0xE0-0xEF add al, 0xE0-0x90 +;-------------------------------------- .ret: ret +;-------------------------------------- .rus1: ; 0x80-0x8F -> 0xA0-0xAF .az: add al, 0x20 ret - +;----------------------------------------------------------------------------- uni2ansi_char: ; convert UNICODE character in al to ANSI character in ax, using cp866 encoding ; in: ax=UNICODE character ; out: al=converted ANSI character cmp ax, 0x80 jb .ascii + cmp ax, 0x401 jz .yo1 + cmp ax, 0x451 jz .yo2 + cmp ax, 0x410 jb .unk + cmp ax, 0x440 jb .rus1 + cmp ax, 0x450 jb .rus2 +;-------------------------------------- .unk: mov al, '_' jmp .doit +;-------------------------------------- .yo1: mov al, 0xF0 ; 'Ё' in cp866 jmp .doit +;-------------------------------------- .yo2: mov al, 0xF1 ; 'ё' in cp866 jmp .doit +;-------------------------------------- .rus1: ; 0x410-0x43F -> 0x80-0xAF add al, 0x70 jmp .doit +;-------------------------------------- .rus2: ; 0x440-0x44F -> 0xE0-0xEF add al, 0xA0 +;-------------------------------------- .ascii: .doit: ret +;----------------------------------------------------------------------------- diff --git a/kernel/trunk/kernel.asm b/kernel/trunk/kernel.asm index 77b6d15a07..a530a31767 100644 --- a/kernel/trunk/kernel.asm +++ b/kernel/trunk/kernel.asm @@ -369,6 +369,14 @@ high_code: call mutex_init mov ecx, ide_channel2_mutex call mutex_init + mov ecx, ide_channel3_mutex + call mutex_init + mov ecx, ide_channel4_mutex + call mutex_init + mov ecx, ide_channel5_mutex + call mutex_init + mov ecx, ide_channel6_mutex + call mutex_init ;----------------------------------------------------------------------------- ; SAVE REAL MODE VARIABLES ;----------------------------------------------------------------------------- @@ -1504,266 +1512,231 @@ draw_num_text: mov eax, [esp+64+8] ; background color (if given) mov edi, [esp+64+4] jmp dtext - -align 4 - -sys_setup: - -; 1=roland mpu midi base , base io address -; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus -; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave -; 5=system language, 1eng 2fi 3ger 4rus -; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave -; 8=fat32 partition in hd -; 9 -; 10 = sound dma channel -; 11 = enable lba read -; 12 = enable pci access - - - and [esp+32], dword 0 - dec ebx ; MIDI - jnz nsyse1 - cmp ecx, 0x100 - - jb nsyse1 - mov esi, 65535 - cmp esi, ecx - - jb nsyse1 - mov [midi_base], cx ;bx - mov word [mididp], cx;bx - inc cx ;bx - mov word [midisp], cx;bx - ret - +;----------------------------------------------------------------------------- iglobal midi_base dw 0 endg +;----------------------------------------------------------------------------- +align 4 +sys_setup: +; 1 = roland mpu midi base , base io address +; 2 = keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus +; 3 = not used +; 4 = not used +; 5 = system language, 1eng 2fi 3ger 4rus +; 6 = not used +; 7 = not used +; 8 = not used +; 9 = not used +; 10 = not used +; 11 = enable lba read +; 12 = enable pci access +;----------------------------------------------------------------------------- + and [esp+32], dword 0 +; F.21.1 - set MPU MIDI base port + dec ebx + jnz @f + + cmp ecx, 0x100 + jb @f + + mov esi, 65535 + cmp esi, ecx + jb @f + + mov [midi_base], cx + mov word [mididp], cx + inc cx + mov word [midisp], cx + ret +;-------------------------------------- +@@: +; F.21.2 - set keyboard layout + dec ebx + jnz @f - nsyse1: - dec ebx ; KEYBOARD - jnz nsyse2 mov edi, [TASK_BASE] mov eax, [edi+TASKDATA.mem_start] add eax, edx - +; 1 = normal layout dec ecx - jnz kbnobase + jnz .shift + mov ebx, keymap mov ecx, 128 call memmove ret - kbnobase: +;-------------------------------------- +.shift: +; 2 = layout at pressed Shift dec ecx - jnz kbnoshift + jnz .alt mov ebx, keymap_shift mov ecx, 128 call memmove ret - kbnoshift: +;-------------------------------------- +.alt: +; 3 = layout at pressed Alt dec ecx - jnz kbnoalt + jnz .country + mov ebx, keymap_alt mov ecx, 128 call memmove ret - kbnoalt: +;-------------------------------------- +.country: +; country identifier sub ecx, 6 - jnz kbnocountry + jnz .error + mov word [keyboard], dx ret - kbnocountry: - mov [esp+32], dword 1 - ret - nsyse2: - dec ebx ; CD - jnz nsyse4 +;-------------------------------------- +@@: +; F.21.5 - set system language + sub ebx, 3 + jnz @f - test ecx, ecx - jz nosesl - - cmp ecx, 4 - ja nosesl - mov [cd_base], cl - - dec ecx - jnz noprma - mov eax, [hd_address_table] - mov [cdbase], eax ;0x1f0 - mov [cdid], 0xa0 - noprma: - - dec ecx - jnz noprsl - mov eax, [hd_address_table] - mov [cdbase], eax ;0x1f0 - mov [cdid], 0xb0 - noprsl: - dec ecx - jnz nosema - mov eax, [hd_address_table+16] - mov [cdbase], eax ;0x170 - mov [cdid], 0xa0 - nosema: - dec ecx - jnz nosesl - mov eax, [hd_address_table+16] - mov [cdbase], eax ;0x170 - mov [cdid], 0xb0 - nosesl: - ret - -iglobal -cd_base db 0 - -endg - nsyse4: - - sub ebx, 2 ; SYSTEM LANGUAGE - jnz nsyse5 mov [syslang], ecx ret - nsyse5: - - sub ebx, 2 ; HD BASE - obsolete - jnz nsyse7 - - nosethd: - ret - -nsyse7: - -; cmp eax,8 ; HD PARTITION - obsolete - dec ebx - jnz nsyse8 - ret - -nsyse8: -; cmp eax,11 ; ENABLE LBA READ +;-------------------------------------- +@@: +; F.21.11 - enable/disable low-level access to HD and ecx, 1 - sub ebx, 3 - jnz no_set_lba_read + sub ebx, 6 + jnz @f + mov [lba_read_enabled], ecx ret - -no_set_lba_read: -; cmp eax,12 ; ENABLE PCI ACCESS +;-------------------------------------- +@@: +; F.21.12 - enable/disable low-level access to PCI dec ebx - jnz sys_setup_err + jnz .error + mov [pci_access_enabled], ecx ret - -sys_setup_err: +;-------------------------------------- +.error: or [esp+32], dword -1 ret - +;----------------------------------------------------------------------------- align 4 - sys_getsetup: - -; 1=roland mpu midi base , base io address -; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus -; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave -; 5=system language, 1eng 2fi 3ger 4rus -; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave -; 8=fat32 partition in hd -; 9=get hs timer tic - -; cmp eax,1 +; 1 = roland mpu midi base , base io address +; 2 = keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus +; 3 = not used +; 4 = not used +; 5 = system language, 1eng 2fi 3ger 4rus +; 6 = not used +; 7 = not used +; 8 = not used +; 9 = get hs timer tic +; 10 = not used +; 11 = get the state "lba read" +; 12 = get the state "pci access" +;----------------------------------------------------------------------------- +; F.26.1 - get MPU MIDI base port dec ebx - jnz ngsyse1 + jnz @f + movzx eax, [midi_base] mov [esp+32], eax ret -ngsyse1: -; cmp eax,2 +;-------------------------------------- +@@: +; F.26.2 - get keyboard layout dec ebx - jnz ngsyse2 + jnz @f mov edi, [TASK_BASE] mov ebx, [edi+TASKDATA.mem_start] add ebx, edx - -; cmp ebx,1 +; 1 = normal layout dec ecx - jnz kbnobaseret + jnz .shift + mov eax, keymap mov ecx, 128 call memmove ret -kbnobaseret: -; cmp ebx,2 +;-------------------------------------- +.shift: +; 2 = layout with pressed Shift dec ecx - jnz kbnoshiftret + jnz .alt mov eax, keymap_shift mov ecx, 128 call memmove ret -kbnoshiftret: -; cmp ebx,3 +;-------------------------------------- +.alt: +; 3 = layout with pressed Alt dec ecx - jne kbnoaltret + jne .country mov eax, keymap_alt mov ecx, 128 call memmove ret -kbnoaltret: -; cmp ebx,9 +;-------------------------------------- +.country: +; 9 = country identifier sub ecx, 6 - jnz ngsyse2 + jnz .error + movzx eax, word [keyboard] mov [esp+32], eax ret +;-------------------------------------- +@@: +; F.26.5 - get system language + sub ebx, 3 + jnz @f - -ngsyse2: -; cmp eax,3 - dec ebx - jnz ngsyse3 - movzx eax, [cd_base] - mov [esp+32], eax - ret -ngsyse3: -; cmp eax,5 - sub ebx, 2 - jnz ngsyse5 mov eax, [syslang] mov [esp+32], eax ret -ngsyse5: -; cmp eax,9 +;-------------------------------------- +@@: +; F.26.9 - get the value of the time counter sub ebx, 4 - jnz ngsyse9 - mov eax, [timer_ticks];[0xfdf0] + jnz @f + + mov eax, [timer_ticks] mov [esp+32], eax ret -ngsyse9: -; cmp eax,11 +;-------------------------------------- +@@: +; F.26.11 - Find out whether low-level HD access is enabled sub ebx, 2 - jnz ngsyse11 + jnz @f + mov eax, [lba_read_enabled] mov [esp+32], eax ret -ngsyse11: -; cmp eax,12 +;-------------------------------------- +@@: +; F.26.12 - Find out whether low-level PCI access is enabled dec ebx - jnz ngsyse12 + jnz .error + mov eax, [pci_access_enabled] mov [esp+32], eax ret -ngsyse12: - mov [esp+32], dword 1 +;-------------------------------------- +.error: + or [esp+32], dword -1 ret - - +;----------------------------------------------------------------------------- get_timer_ticks: mov eax, [timer_ticks] ret - +;----------------------------------------------------------------------------- iglobal align 4 mousefn dd msscreen, mswin, msbutton, msset @@ -1772,7 +1745,7 @@ mousefn dd msscreen, mswin, msbutton, msset dd app_delete_cursor dd msz endg - +;----------------------------------------------------------------------------- readmousepos: ; eax=0 screen relative @@ -5080,38 +5053,52 @@ syscall_getscreensize: ; GetScreenSize mov ax, word [Screen_Max_Y] mov [esp + 32], eax ret - +;----------------------------------------------------------------------------- align 4 - syscall_cdaudio: ; CD - cmp ebx, 4 - jb .audio - jz .eject + je .eject + cmp ebx, 5 - jnz .ret + je .load + + ret +;-------------------------------------- .load: call .reserve call LoadMedium - ;call .free jmp .free -; ret +;-------------------------------------- .eject: call .reserve call clear_CD_cache call allow_medium_removal call EjectMedium -; call .free jmp .free -; ret -.audio: - call sys_cd_audio - mov [esp+36-4], eax -.ret: - ret - +;-------------------------------------- .reserve: call reserve_cd + + mov ebx, ecx + inc ebx + mov [cdpos], ebx + mov eax, ebx + + mov ebx, ecx + and ebx, 11b + shl ebx, 1 + mov cl, 8 + sub cl, bl + + dec eax + shr eax, 2 + lea eax, [eax*5] + mov al, [eax+DRIVE_DATA+1] + + shr al, cl + test al, 2 ; it's not an ATAPI device + jz .ret + mov eax, ecx shr eax, 1 and eax, 1 @@ -5121,25 +5108,14 @@ syscall_cdaudio: ; CD and eax, 1 mov [DiskNumber], al call reserve_cd_channel - and ebx, 3 - inc ebx - mov [cdpos], ebx - add ebx, ebx - mov cl, 8 - sub cl, bl - mov al, [DRIVE_DATA+1] - shr al, cl - test al, 2 - jz .free;.err +;-------------------------------------- +.ret: ret +;-------------------------------------- .free: call free_cd_channel and [cd_status], 0 ret -.err: - call .free -; pop eax - ret ;----------------------------------------------------------------------------- align 4 syscall_getpixel_WinMap: ; GetPixel WinMap @@ -5537,8 +5513,6 @@ system_shutdown: ; shut down the system ret @@: call stop_all_services - movi eax, 3 - call sys_cd_audio yes_shutdown_param: cli diff --git a/kernel/trunk/kernel32.inc b/kernel/trunk/kernel32.inc index 7984917da4..9f86c38409 100644 --- a/kernel/trunk/kernel32.inc +++ b/kernel/trunk/kernel32.inc @@ -152,6 +152,30 @@ struct APPDATA ends +struct IDE_DATA + ProgrammingInterface dd ? + Interrupt dw ? + RegsBaseAddres dw ? + BAR0_val dw ? + BAR1_val dw ? + BAR2_val dw ? + BAR3_val dw ? + dma_hdd db ? +ends + +struct IDE_CACHE + pointer dd ? + size dd ? ; not use + data_pointer dd ? + system_data_size dd ? ; not use + appl_data_size dd ? ; not use + system_data dd ? + appl_data dd ? + system_sad_size dd ? + appl_sad_size dd ? + search_start dd ? + appl_search_start dd ? +ends ; Core functions include "core/sync.inc" ; macros for synhronization objects @@ -243,7 +267,6 @@ include "blkdev/bd_drv.inc" ; CD drive controller -include "blkdev/cdrom.inc" include "blkdev/cd_drv.inc" ; Character devices