mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-18 04:43:06 +03:00
395 lines
13 KiB
PHP
395 lines
13 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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;******************************************************
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; ïîèñê ïðèâîäîâ HDD è CD
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; àâòîð èñõîäíîãî òåêñòà Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷.
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; àäàïòàöèÿ è äîðàáîòêà Mario79
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;******************************************************
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;****************************************************
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;* ÏÎÈÑÊ HDD è CD *
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;****************************************************
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FindHDD:
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mov [ChannelNumber], 1
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mov [DiskNumber], 0
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call FindHDD_3
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; mov ax,[Sector512+176]
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; mov [DRIVE_DATA+6],ax
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; mov ax,[Sector512+126]
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; mov [DRIVE_DATA+8],ax
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; mov ax,[Sector512+128]
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; mov [DRIVE_DATA+8],ax
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mov [DiskNumber], 1
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call FindHDD_3
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; mov al,[Sector512+176]
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; mov [DRIVE_DATA+7],al
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inc [ChannelNumber]
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mov [DiskNumber], 0
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call FindHDD_3
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; mov al,[Sector512+176]
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; mov [DRIVE_DATA+8],al
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mov [DiskNumber], 1
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call FindHDD_1
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; mov al,[Sector512+176]
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; mov [DRIVE_DATA+9],al
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jmp EndFindHDD
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FindHDD_1:
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call ReadHDD_ID
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cmp [DevErrorCode], 0
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jne FindHDD_2
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cmp [Sector512+6], word 16
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ja FindHDD_2
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cmp [Sector512+12], word 255
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ja FindHDD_2
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inc byte [DRIVE_DATA+1]
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jmp FindHDD_2_2
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FindHDD_2:
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call DeviceReset
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cmp [DevErrorCode], 0
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jne FindHDD_2_2
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call ReadCD_ID
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cmp [DevErrorCode], 0
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jne FindHDD_2_2
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inc byte [DRIVE_DATA+1]
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inc byte [DRIVE_DATA+1]
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FindHDD_2_2:
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ret
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FindHDD_3:
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call FindHDD_1
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shl byte [DRIVE_DATA+1], 2
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ret
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; Àäðåñ ñ÷èòûâàåìîãî ñåêòîðà â ðåæèìå LBA
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uglobal
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SectorAddress DD ?
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endg
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;*************************************************
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;* ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÆÅÑÒÊÎÃÎ ÄÈÑÊÀ *
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;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
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;* ïåðåìåííûå: *
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;* ChannelNumber - íîìåð êàíàëà (1 èëè 2); *
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;* DiskNumber - íîìåð äèñêà íà êàíàëå (0 èëè 1). *
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;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ *
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;* â ìàññèâ Sector512. *
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;*************************************************
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ReadHDD_ID:
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; Çàäàòü ðåæèì CHS
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mov [ATAAddressMode], 0
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; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà
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mov [ATAFeatures], 0
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mov [ATAHead], 0
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mov [ATACommand], 0ECh
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call SendCommandToHDD
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cmp [DevErrorCode], 0;ïðîâåðèòü êîä îøèáêè
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jne @@End ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
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mov DX, [ATABasePortAddr]
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add DX, 7 ;àäðåñ ðåãèñòðà ñîñòîÿíè
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mov ecx, 0xffff
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@@WaitCompleet:
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; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
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dec ecx
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; cmp ecx,0
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jz @@Error1 ;îøèáêà òàéì-àóòà
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; Ïðîâåðèòü ãîòîâíîñòü
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in AL, DX
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test AL, 80h ;ñîñòîÿíèå ñèãíàëà BSY
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jnz @@WaitCompleet
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test AL, 1 ;ñîñòîÿíèå ñèãíàëà ERR
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jnz @@Error6
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test AL, 08h ;ñîñòîÿíèå ñèãíàëà DRQ
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jz @@WaitCompleet
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; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
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; mov AX,DS
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; mov ES,AX
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mov EDI, Sector512 ;offset Sector512
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mov DX, [ATABasePortAddr];ðåãèñòð äàííûõ
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mov CX, 256 ;÷èñëî ñ÷èòûâàåìûõ ñëîâ
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rep insw ;ïðèíÿòü áëîê äàííûõ
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ret
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; Çàïèñàòü êîä îøèáêè
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@@Error1:
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mov [DevErrorCode], 1
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ret
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@@Error6:
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mov [DevErrorCode], 6
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@@End:
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ret
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iglobal
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; Ñòàíäàðòíûå áàçîâûå àäðåñà êàíàëîâ 1 è 2
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StandardATABases DW 1F0h, 170h
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endg
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uglobal
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; Íîìåð êàíàëà
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ChannelNumber DW ?
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; Íîìåð äèñêà
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DiskNumber DB ?
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; Áàçîâûé àäðåñ ãðóïïû ïîðòîâ êîíòðîëëåðà ATA
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ATABasePortAddr DW ?
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; Ïàðàìåòðû ATA-êîìàíäû
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ATAFeatures DB ? ;îñîáåííîñòè
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ATASectorCount DB ? ;êîëè÷åñòâî îáðàáàòûâàåìûõ ñåêòîðîâ
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ATASectorNumber DB ? ;íîìåð íà÷àëüíîãî ñåêòîðà
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ATACylinder DW ? ;íîìåð íà÷àëüíîãî öèëèíäðà
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ATAHead DB ? ;íîìåð íà÷àëüíîé ãîëîâêè
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ATAAddressMode DB ? ;ðåæèì àäðåñàöèè (0 - CHS, 1 - LBA)
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ATACommand DB ? ;êîä êîìàíäû, ïîäëåæàùåé âûïîëíåíèþ
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; Êîä îøèáêè (0 - íåò îøèáîê, 1 - ïðåâûøåí äîïóñòèìûé
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; èíòåðâàë îæèäàíèÿ, 2 - íåâåðíûé êîä ðåæèìà àäðåñàöèè,
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; 3 - íåâåðíûé íîìåð êàíàëà, 4 - íåâåðíûé íîìåð äèñêà,
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; 5 - íåâåðíûé íîìåð ãîëîâêè, 6 - îøèáêà ïðè âûïîëíåíèè
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; êîìàíäû)
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DevErrorCode dd ?
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endg
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;****************************************************
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;* ÏÎÑËÀÒÜ ÊÎÌÀÍÄÓ ÇÀÄÀÍÍÎÌÓ ÄÈÑÊÓ *
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;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
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;* ïåðåìåííûå: *
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;* ChannelNumber - íîìåð êàíàëà (1 èëè 2); *
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;* DiskNumber - íîìåð äèñêà (0 èëè 1); *
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;* ATAFeatures - "îñîáåííîñòè"; *
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;* ATASectorCount - êîëè÷åñòâî ñåêòîðîâ; *
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;* ATASectorNumber - íîìåð íà÷àëüíîãî ñåêòîðà; *
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;* ATACylinder - íîìåð íà÷àëüíîãî öèëèíäðà; *
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;* ATAHead - íîìåð íà÷àëüíîé ãîëîâêè; *
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;* ATAAddressMode - ðåæèì àäðåñàöèè (0-CHS, 1-LBA); *
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;* ATACommand - êîä êîìàíäû. *
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;* Ïîñëå óñïåøíîãî âûïîëíåíèÿ ôóíêöèè: *
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;* â ATABasePortAddr - áàçîâûé àäðåñ HDD; *
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;* â DevErrorCode - íîëü. *
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;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò *
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;* âîçâðàùåí êîä îøèáêè. *
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;****************************************************
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SendCommandToHDD:
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; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà
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cmp [ATAAddressMode], 1
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ja @@Err2
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; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
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mov BX, [ChannelNumber]
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cmp BX, 1
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jb @@Err3
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cmp BX, 2
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ja @@Err3
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; Óñòàíîâèòü áàçîâûé àäðåñ
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dec BX
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shl BX, 1
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movzx ebx, bx
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mov AX, [ebx+StandardATABases]
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mov [ATABasePortAddr], AX
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; Îæèäàíèå ãîòîâíîñòè HDD ê ïðèåìó êîìàíäû
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; Âûáðàòü íóæíûé äèñê
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mov DX, [ATABasePortAddr]
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add DX, 6 ;àäðåñ ðåãèñòðà ãîëîâîê
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mov AL, [DiskNumber]
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cmp AL, 1 ;ïðîâåðèòü íîìåðà äèñêà
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ja @@Err4
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shl AL, 4
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or AL, 10100000b
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out DX, AL
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; Îæèäàòü, ïîêà äèñê íå áóäåò ãîòîâ
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inc DX
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mov ecx, 0xfff
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; mov eax,[timer_ticks]
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; mov [TickCounter_1],eax
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@@WaitHDReady:
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; Ïðîâåðèòü âðåìÿ îæèäàíè
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dec ecx
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; cmp ecx,0
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jz @@Err1
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; mov eax,[timer_ticks]
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; sub eax,[TickCounter_1]
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; cmp eax,300 ;îæèäàòü 300 òèêîâ
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; ja @@Err1 ;îøèáêà òàéì-àóòà
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; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè
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in AL, DX
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; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
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test AL, 80h
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jnz @@WaitHDReady
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; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà DRQ
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test AL, 08h
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jnz @@WaitHDReady
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; Çàãðóçèòü êîìàíäó â ðåãèñòðû êîíòðîëëåðà
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cli
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mov DX, [ATABasePortAddr]
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inc DX ;ðåãèñòð "îñîáåííîñòåé"
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mov AL, [ATAFeatures]
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out DX, AL
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inc DX ;ñ÷åò÷èê ñåêòîðîâ
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mov AL, [ATASectorCount]
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out DX, AL
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inc DX ;ðåãèñòð íîìåðà ñåêòîðà
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mov AL, [ATASectorNumber]
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out DX, AL
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inc DX ;íîìåð öèëèíäðà (ìëàäøèé áàéò)
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mov AX, [ATACylinder]
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out DX, AL
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inc DX ;íîìåð öèëèíäðà (ñòàðøèé áàéò)
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mov AL, AH
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out DX, AL
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inc DX ;íîìåð ãîëîâêè/íîìåð äèñêà
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mov AL, [DiskNumber]
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shl AL, 4
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cmp [ATAHead], 0Fh;ïðîâåðèòü íîìåð ãîëîâêè
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ja @@Err5
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or AL, [ATAHead]
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or AL, 10100000b
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mov AH, [ATAAddressMode]
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shl AH, 6
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or AL, AH
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out DX, AL
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; Ïîñëàòü êîìàíäó
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mov AL, [ATACommand]
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inc DX ;ðåãèñòð êîìàíä
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out DX, AL
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sti
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; Ñáðîñèòü ïðèçíàê îøèáêè
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mov [DevErrorCode], 0
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ret
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; Çàïèñàòü êîä îøèáêè
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@@Err1:
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mov [DevErrorCode], 1
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ret
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@@Err2:
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mov [DevErrorCode], 2
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ret
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@@Err3:
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mov [DevErrorCode], 3
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ret
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@@Err4:
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mov [DevErrorCode], 4
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ret
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@@Err5:
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mov [DevErrorCode], 5
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; Çàâåðøåíèå ðàáîòû ïðîãðàììû
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ret
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;*************************************************
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;* ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÓÑÒÐÎÉÑÒÂÀ ATAPI *
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;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
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;* ïåðìåííûå: *
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;* ChannelNumber - íîìåð êàíàëà; *
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;* DiskNumber - íîìåð äèñêà íà êàíàëå. *
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;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ *
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;* â ìàññèâ Sector512. *
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;*************************************************
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ReadCD_ID:
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; Çàäàòü ðåæèì CHS
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mov [ATAAddressMode], 0
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; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà
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mov [ATAFeatures], 0
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mov [ATASectorCount], 0
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mov [ATASectorNumber], 0
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mov [ATACylinder], 0
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mov [ATAHead], 0
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mov [ATACommand], 0A1h
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call SendCommandToHDD
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cmp [DevErrorCode], 0;ïðîâåðèòü êîä îøèáêè
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jne @@End_1 ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
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; Îæèäàòü ãîòîâíîñòü äàííûõ HDD
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mov DX, [ATABasePortAddr]
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add DX, 7 ;ïîðò 1õ7h
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mov ecx, 0xffff
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@@WaitCompleet_1:
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; Ïðîâåðèòü âðåì
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dec ecx
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; cmp ecx,0
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jz @@Error1_1 ;îøèáêà òàéì-àóòà
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; Ïðîâåðèòü ãîòîâíîñòü
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in AL, DX
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test AL, 80h ;ñîñòîÿíèå ñèãíàëà BSY
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jnz @@WaitCompleet_1
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test AL, 1 ;ñîñòîÿíèå ñèãíàëà ERR
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jnz @@Error6_1
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test AL, 08h ;ñîñòîÿíèå ñèãíàëà DRQ
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jz @@WaitCompleet_1
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; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
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; mov AX,DS
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; mov ES,AX
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mov EDI, Sector512 ;offset Sector512
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mov DX, [ATABasePortAddr];ïîðò 1x0h
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mov CX, 256;÷èñëî ñ÷èòûâàåìûõ ñëîâ
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rep insw
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ret
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; Çàïèñàòü êîä îøèáêè
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@@Error1_1:
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mov [DevErrorCode], 1
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ret
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@@Error6_1:
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mov [DevErrorCode], 6
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@@End_1:
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ret
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;*************************************************
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;* ÑÁÐÎÑ ÓÑÒÐÎÉÑÒÂÀ *
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;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
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;* ïåðåìåííûå: *
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;* ChannelNumber - íîìåð êàíàëà (1 èëè 2); *
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;* DiskNumber - íîìåð äèñêà (0 èëè 1). *
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;*************************************************
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DeviceReset:
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; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
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mov BX, [ChannelNumber]
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cmp BX, 1
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jb @@Err3_2
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cmp BX, 2
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ja @@Err3_2
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; Óñòàíîâèòü áàçîâûé àäðåñ
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dec BX
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shl BX, 1
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movzx ebx, bx
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mov DX, [ebx+StandardATABases]
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mov [ATABasePortAddr], DX
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; Âûáðàòü íóæíûé äèñê
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add DX, 6 ;àäðåñ ðåãèñòðà ãîëîâîê
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mov AL, [DiskNumber]
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cmp AL, 1 ;ïðîâåðèòü íîìåðà äèñêà
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ja @@Err4_2
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shl AL, 4
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or AL, 10100000b
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out DX, AL
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; Ïîñëàòü êîìàíäó "Ñáðîñ"
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mov AL, 08h
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inc DX ;ðåãèñòð êîìàíä
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out DX, AL
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mov ecx, 0x80000
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@@WaitHDReady_1:
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; Ïðîâåðèòü âðåìÿ îæèäàíè
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dec ecx
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; cmp ecx,0
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je @@Err1_2 ;îøèáêà òàéì-àóòà
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; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè
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in AL, DX
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; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
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test AL, 80h
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jnz @@WaitHDReady_1
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; Ñáðîñèòü ïðèçíàê îøèáêè
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mov [DevErrorCode], 0
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ret
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; Îáðàáîòêà îøèáîê
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@@Err1_2:
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mov [DevErrorCode], 1
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ret
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|
@@Err3_2:
|
|
mov [DevErrorCode], 3
|
|
ret
|
|
@@Err4_2:
|
|
mov [DevErrorCode], 4
|
|
; Çàïèñàòü êîä îøèáêè
|
|
ret
|
|
|
|
EndFindHDD:
|
|
|