| /kernel/branches/detect/biosdisk.inc |
|---|
| 0,0 → 1,76 |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2008. All rights reserved. ;; |
| ;; Distributed under terms of the GNU General Public License ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ; Detect all BIOS hard drives. |
| ; diamond, 2008 |
| xor cx, cx |
| mov es, cx |
| mov di, 0x9080 |
| mov byte [es:di-1], cl |
| cmp [preboot_biosdisk], 1 |
| jnz bdde |
| mov dl, 80h |
| bdds: |
| mov ah, 15h |
| push cx dx di |
| int 13h |
| pop di dx cx |
| jc bddc |
| test ah, ah |
| jz bddc |
| inc cx |
| mov ah, 48h |
| push ds |
| push es |
| pop ds |
| mov si, 0xA000 |
| mov word [si], 1Eh |
| mov ah, 48h |
| int 13h |
| pop ds |
| jc bddc2 |
| inc byte [es:0x907F] |
| cmp word [es:si], 1Eh |
| jb bddl |
| cmp word [es:si+1Ah], 0xFFFF |
| jz bddl |
| mov al, dl |
| stosb |
| push ds |
| lds si, [es:si+1Ah] |
| mov al, [si+6] |
| and al, 0xF |
| stosb |
| mov al, byte [si+4] |
| shr al, 4 |
| and ax, 1 |
| cmp word [si], 1F0h |
| jz @f |
| inc ax |
| inc ax |
| cmp word [si], 170h |
| jz @f |
| mov ax, -1 |
| @@: |
| stosw |
| pop ds |
| jmp bddc2 |
| bddl: |
| mov al, dl |
| stosb |
| mov al, 0 |
| stosb |
| mov ax, -1 |
| stosw |
| bddc2: |
| cmp cl, [es:0x475] |
| jae bdde |
| bddc: |
| inc dl |
| jnz bdds |
| bdde: |
| /kernel/branches/detect/dev_fd.inc |
|---|
| 0,0 → 1,30 |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
| ;; Distributed under terms of the GNU General Public License ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| $Revision: 593 $ |
| ;*************************************************** |
| ; ïðåäâàðèòåëüíàÿ î÷èñòêà îáëàñòè òàáëèöû |
| ; ïîèñê è çàíåñåíèå â òàáëèöó ïðèâîäîâ FDD |
| ; àâòîð Mario79 |
| ;*************************************************** |
| xor eax,eax |
| mov edi,DRIVE_DATA |
| mov ecx,16384 |
| cld |
| rep stosd |
| mov al,0x10 |
| out 0x70,al |
| mov cx,0xff |
| wait_cmos: |
| dec cx |
| cmp cx,0 |
| jne wait_cmos |
| in al,0x71 |
| mov [DRIVE_DATA],al |
| /kernel/branches/detect/dev_hdcd.inc |
|---|
| 0,0 → 1,384 |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
| ;; Distributed under terms of the GNU General Public License ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| $Revision: 593 $ |
| ;****************************************************** |
| ; ïîèñê ïðèâîäîâ HDD è CD |
| ; àâòîð èñõîäíîãî òåêñòà Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷. |
| ; àäàïòàöèÿ è äîðàáîòêà Mario79 |
| ;****************************************************** |
| ;**************************************************** |
| ;* ÏÎÈÑÊ HDD è CD * |
| ;**************************************************** |
| FindHDD: |
| mov [ChannelNumber],1 |
| mov [DiskNumber],0 |
| call FindHDD_3 |
| ; mov ax,[Sector512+176] |
| ; mov [DRIVE_DATA+6],ax |
| ; mov ax,[Sector512+126] |
| ; mov [DRIVE_DATA+8],ax |
| ; mov ax,[Sector512+128] |
| ; mov [DRIVE_DATA+8],ax |
| mov [DiskNumber],1 |
| call FindHDD_3 |
| ; mov al,[Sector512+176] |
| ; mov [DRIVE_DATA+7],al |
| inc [ChannelNumber] |
| mov [DiskNumber],0 |
| call FindHDD_3 |
| ; mov al,[Sector512+176] |
| ; mov [DRIVE_DATA+8],al |
| mov [DiskNumber],1 |
| call FindHDD_1 |
| ; mov al,[Sector512+176] |
| ; mov [DRIVE_DATA+9],al |
| jmp EndFindHDD |
| FindHDD_1: |
| call ReadHDD_ID |
| cmp [DevErrorCode],0 |
| jne FindHDD_2 |
| cmp [Sector512+6],word 16 |
| ja FindHDD_2 |
| cmp [Sector512+12],word 255 |
| ja FindHDD_2 |
| inc byte [DRIVE_DATA+1] |
| jmp FindHDD_2_2 |
| FindHDD_2: |
| call DeviceReset |
| cmp [DevErrorCode],0 |
| jne FindHDD_2_2 |
| call ReadCD_ID |
| cmp [DevErrorCode],0 |
| jne FindHDD_2_2 |
| inc byte [DRIVE_DATA+1] |
| inc byte [DRIVE_DATA+1] |
| FindHDD_2_2: |
| ret |
| FindHDD_3: |
| call FindHDD_1 |
| shl byte [DRIVE_DATA+1],2 |
| ret |
| ; Àäðåñ ñ÷èòûâàåìîãî ñåêòîðà â ðåæèìå LBA |
| SectorAddress DD ? |
| ;************************************************* |
| ;* ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÆÅÑÒÊÎÃÎ ÄÈÑÊÀ * |
| ;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå * |
| ;* ïåðåìåííûå: * |
| ;* ChannelNumber - íîìåð êàíàëà (1 èëè 2); * |
| ;* DiskNumber - íîìåð äèñêà íà êàíàëå (0 èëè 1). * |
| ;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ * |
| ;* â ìàññèâ Sector512. * |
| ;************************************************* |
| ReadHDD_ID: |
| ; Çàäàòü ðåæèì CHS |
| mov [ATAAddressMode],0 |
| ; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà |
| mov [ATAFeatures],0 |
| mov [ATAHead],0 |
| mov [ATACommand],0ECh |
| call SendCommandToHDD |
| cmp [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè |
| jne @@End ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè |
| mov DX,[ATABasePortAddr] |
| add DX,7 ;àäðåñ ðåãèñòðà ñîñòîÿíè |
| mov ecx,0xffff |
| @@WaitCompleet: |
| ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû |
| dec ecx |
| cmp ecx,0 |
| je @@Error1 ;îøèáêà òàéì-àóòà |
| ; Ïðîâåðèòü ãîòîâíîñòü |
| in AL,DX |
| test AL,80h ;ñîñòîÿíèå ñèãíàëà BSY |
| jnz @@WaitCompleet |
| test AL,1 ;ñîñòîÿíèå ñèãíàëà ERR |
| jnz @@Error6 |
| test AL,08h ;ñîñòîÿíèå ñèãíàëà DRQ |
| jz @@WaitCompleet |
| ; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà |
| ; mov AX,DS |
| ; mov ES,AX |
| mov EDI,Sector512 ;offset Sector512 |
| mov DX,[ATABasePortAddr] ;ðåãèñòð äàííûõ |
| mov CX,256 ;÷èñëî ñ÷èòûâàåìûõ ñëîâ |
| rep insw ;ïðèíÿòü áëîê äàííûõ |
| jmp @@End |
| ; Çàïèñàòü êîä îøèáêè |
| @@Error1: |
| mov [DevErrorCode],1 |
| jmp @@End |
| @@Error6: |
| mov [DevErrorCode],6 |
| @@End: ret |
| ; Ñòàíäàðòíûå áàçîâûå àäðåñà êàíàëîâ 1 è 2 |
| StandardATABases DW 1F0h, 170h |
| ; Íîìåð êàíàëà |
| ChannelNumber DW ? |
| ; Íîìåð äèñêà |
| DiskNumber DB ? |
| ; Áàçîâûé àäðåñ ãðóïïû ïîðòîâ êîíòðîëëåðà ATA |
| ATABasePortAddr DW ? |
| ; Ïàðàìåòðû ATA-êîìàíäû |
| ATAFeatures DB ? ;îñîáåííîñòè |
| ATASectorCount DB ? ;êîëè÷åñòâî îáðàáàòûâàåìûõ ñåêòîðîâ |
| ATASectorNumber DB ? ;íîìåð íà÷àëüíîãî ñåêòîðà |
| ATACylinder DW ? ;íîìåð íà÷àëüíîãî öèëèíäðà |
| ATAHead DB ? ;íîìåð íà÷àëüíîé ãîëîâêè |
| ATAAddressMode DB ? ;ðåæèì àäðåñàöèè (0 - CHS, 1 - LBA) |
| ATACommand DB ? ;êîä êîìàíäû, ïîäëåæàùåé âûïîëíåíèþ |
| ; Êîä îøèáêè (0 - íåò îøèáîê, 1 - ïðåâûøåí äîïóñòèìûé |
| ; èíòåðâàë îæèäàíèÿ, 2 - íåâåðíûé êîä ðåæèìà àäðåñàöèè, |
| ; 3 - íåâåðíûé íîìåð êàíàëà, 4 - íåâåðíûé íîìåð äèñêà, |
| ; 5 - íåâåðíûé íîìåð ãîëîâêè, 6 - îøèáêà ïðè âûïîëíåíèè |
| ; êîìàíäû) |
| DevErrorCode DB ? |
| ;**************************************************** |
| ;* ÏÎÑËÀÒÜ ÊÎÌÀÍÄÓ ÇÀÄÀÍÍÎÌÓ ÄÈÑÊÓ * |
| ;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå * |
| ;* ïåðåìåííûå: * |
| ;* ChannelNumber - íîìåð êàíàëà (1 èëè 2); * |
| ;* DiskNumber - íîìåð äèñêà (0 èëè 1); * |
| ;* ATAFeatures - "îñîáåííîñòè"; * |
| ;* ATASectorCount - êîëè÷åñòâî ñåêòîðîâ; * |
| ;* ATASectorNumber - íîìåð íà÷àëüíîãî ñåêòîðà; * |
| ;* ATACylinder - íîìåð íà÷àëüíîãî öèëèíäðà; * |
| ;* ATAHead - íîìåð íà÷àëüíîé ãîëîâêè; * |
| ;* ATAAddressMode - ðåæèì àäðåñàöèè (0-CHS, 1-LBA); * |
| ;* ATACommand - êîä êîìàíäû. * |
| ;* Ïîñëå óñïåøíîãî âûïîëíåíèÿ ôóíêöèè: * |
| ;* â ATABasePortAddr - áàçîâûé àäðåñ HDD; * |
| ;* â DevErrorCode - íîëü. * |
| ;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò * |
| ;* âîçâðàùåí êîä îøèáêè. * |
| ;**************************************************** |
| SendCommandToHDD: |
| ; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà |
| cmp [ATAAddressMode],1 |
| ja @@Err2 |
| ; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà |
| mov BX,[ChannelNumber] |
| cmp BX,1 |
| jb @@Err3 |
| cmp BX,2 |
| ja @@Err3 |
| ; Óñòàíîâèòü áàçîâûé àäðåñ |
| dec BX |
| shl BX,1 |
| movzx ebx,bx |
| mov AX,[ebx+StandardATABases] |
| mov [ATABasePortAddr],AX |
| ; Îæèäàíèå ãîòîâíîñòè HDD ê ïðèåìó êîìàíäû |
| ; Âûáðàòü íóæíûé äèñê |
| mov DX,[ATABasePortAddr] |
| add DX,6 ;àäðåñ ðåãèñòðà ãîëîâîê |
| mov AL,[DiskNumber] |
| cmp AL,1 ;ïðîâåðèòü íîìåðà äèñêà |
| ja @@Err4 |
| shl AL,4 |
| or AL,10100000b |
| out DX,AL |
| ; Îæèäàòü, ïîêà äèñê íå áóäåò ãîòîâ |
| inc DX |
| mov ecx,0xfff |
| ; mov eax,[timer_ticks] |
| ; mov [TickCounter_1],eax |
| @@WaitHDReady: |
| ; Ïðîâåðèòü âðåìÿ îæèäàíè |
| dec ecx |
| cmp ecx,0 |
| je @@Err1 |
| ; mov eax,[timer_ticks] |
| ; sub eax,[TickCounter_1] |
| ; cmp eax,300 ;îæèäàòü 300 òèêîâ |
| ; ja @@Err1 ;îøèáêà òàéì-àóòà |
| ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè |
| in AL,DX |
| ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY |
| test AL,80h |
| jnz @@WaitHDReady |
| ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà DRQ |
| test AL,08h |
| jnz @@WaitHDReady |
| ; Çàãðóçèòü êîìàíäó â ðåãèñòðû êîíòðîëëåðà |
| cli |
| mov DX,[ATABasePortAddr] |
| inc DX ;ðåãèñòð "îñîáåííîñòåé" |
| mov AL,[ATAFeatures] |
| out DX,AL |
| inc DX ;ñ÷åò÷èê ñåêòîðîâ |
| mov AL,[ATASectorCount] |
| out DX,AL |
| inc DX ;ðåãèñòð íîìåðà ñåêòîðà |
| mov AL,[ATASectorNumber] |
| out DX,AL |
| inc DX ;íîìåð öèëèíäðà (ìëàäøèé áàéò) |
| mov AX,[ATACylinder] |
| out DX,AL |
| inc DX ;íîìåð öèëèíäðà (ñòàðøèé áàéò) |
| mov AL,AH |
| out DX,AL |
| inc DX ;íîìåð ãîëîâêè/íîìåð äèñêà |
| mov AL,[DiskNumber] |
| shl AL,4 |
| cmp [ATAHead],0Fh ;ïðîâåðèòü íîìåð ãîëîâêè |
| ja @@Err5 |
| or AL,[ATAHead] |
| or AL,10100000b |
| mov AH,[ATAAddressMode] |
| shl AH,6 |
| or AL,AH |
| out DX,AL |
| ; Ïîñëàòü êîìàíäó |
| mov AL,[ATACommand] |
| inc DX ;ðåãèñòð êîìàíä |
| out DX,AL |
| sti |
| ; Ñáðîñèòü ïðèçíàê îøèáêè |
| mov [DevErrorCode],0 |
| jmp @@End_2 |
| ; Çàïèñàòü êîä îøèáêè |
| @@Err1: mov [DevErrorCode],1 |
| jmp @@End_2 |
| @@Err2: mov [DevErrorCode],2 |
| jmp @@End_2 |
| @@Err3: mov [DevErrorCode],3 |
| jmp @@End_2 |
| @@Err4: mov [DevErrorCode],4 |
| jmp @@End_2 |
| @@Err5: mov [DevErrorCode],5 |
| ; Çàâåðøåíèå ðàáîòû ïðîãðàììû |
| @@End_2: |
| ret |
| ;************************************************* |
| ;* ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÓÑÒÐÎÉÑÒÂÀ ATAPI * |
| ;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå * |
| ;* ïåðìåííûå: * |
| ;* ChannelNumber - íîìåð êàíàëà; * |
| ;* DiskNumber - íîìåð äèñêà íà êàíàëå. * |
| ;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ * |
| ;* â ìàññèâ Sector512. * |
| ;************************************************* |
| ReadCD_ID: |
| ; Çàäàòü ðåæèì CHS |
| mov [ATAAddressMode],0 |
| ; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà |
| mov [ATAFeatures],0 |
| mov [ATASectorCount],0 |
| mov [ATASectorNumber],0 |
| mov [ATACylinder],0 |
| mov [ATAHead],0 |
| mov [ATACommand],0A1h |
| call SendCommandToHDD |
| cmp [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè |
| jne @@End_1 ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè |
| ; Îæèäàòü ãîòîâíîñòü äàííûõ HDD |
| mov DX,[ATABasePortAddr] |
| add DX,7 ;ïîðò 1õ7h |
| mov ecx,0xffff |
| @@WaitCompleet_1: |
| ; Ïðîâåðèòü âðåì |
| dec ecx |
| cmp ecx,0 |
| je @@Error1_1 ;îøèáêà òàéì-àóòà |
| ; Ïðîâåðèòü ãîòîâíîñòü |
| in AL,DX |
| test AL,80h ;ñîñòîÿíèå ñèãíàëà BSY |
| jnz @@WaitCompleet_1 |
| test AL,1 ;ñîñòîÿíèå ñèãíàëà ERR |
| jnz @@Error6_1 |
| test AL,08h ;ñîñòîÿíèå ñèãíàëà DRQ |
| jz @@WaitCompleet_1 |
| ; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà |
| ; mov AX,DS |
| ; mov ES,AX |
| mov EDI,Sector512 ;offset Sector512 |
| mov DX,[ATABasePortAddr] ;ïîðò 1x0h |
| mov CX,256 ;÷èñëî ñ÷èòûâàåìûõ ñëîâ |
| rep insw |
| jmp @@End_1 |
| ; Çàïèñàòü êîä îøèáêè |
| @@Error1_1: |
| mov [DevErrorCode],1 |
| jmp @@End_1 |
| @@Error6_1: |
| mov [DevErrorCode],6 |
| @@End_1: |
| ret |
| ;************************************************* |
| ;* ÑÁÐÎÑ ÓÑÒÐÎÉÑÒÂÀ * |
| ;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå * |
| ;* ïåðåìåííûå: * |
| ;* ChannelNumber - íîìåð êàíàëà (1 èëè 2); * |
| ;* DiskNumber - íîìåð äèñêà (0 èëè 1). * |
| ;************************************************* |
| DeviceReset: |
| ; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà |
| mov BX,[ChannelNumber] |
| cmp BX,1 |
| jb @@Err3_2 |
| cmp BX,2 |
| ja @@Err3_2 |
| ; Óñòàíîâèòü áàçîâûé àäðåñ |
| dec BX |
| shl BX,1 |
| movzx ebx,bx |
| mov DX,[ebx+StandardATABases] |
| mov [ATABasePortAddr],DX |
| ; Âûáðàòü íóæíûé äèñê |
| add DX,6 ;àäðåñ ðåãèñòðà ãîëîâîê |
| mov AL,[DiskNumber] |
| cmp AL,1 ;ïðîâåðèòü íîìåðà äèñêà |
| ja @@Err4_2 |
| shl AL,4 |
| or AL,10100000b |
| out DX,AL |
| ; Ïîñëàòü êîìàíäó "Ñáðîñ" |
| mov AL,08h |
| inc DX ;ðåãèñòð êîìàíä |
| out DX,AL |
| mov ecx,0x80000 |
| @@WaitHDReady_1: |
| ; Ïðîâåðèòü âðåìÿ îæèäàíè |
| dec ecx |
| cmp ecx,0 |
| je @@Err1_2 ;îøèáêà òàéì-àóòà |
| ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè |
| in AL,DX |
| ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY |
| test AL,80h |
| jnz @@WaitHDReady_1 |
| ; Ñáðîñèòü ïðèçíàê îøèáêè |
| mov [DevErrorCode],0 |
| jmp @@End_3 |
| ; Îáðàáîòêà îøèáîê |
| @@Err1_2: mov [DevErrorCode],1 |
| jmp @@End_3 |
| @@Err3_2: mov [DevErrorCode],3 |
| jmp @@End_3 |
| @@Err4_2: mov [DevErrorCode],4 |
| ; Çàïèñàòü êîä îøèáêè |
| @@End_3: |
| ret |
| EndFindHDD: |
| /kernel/branches/detect/disks.inc |
|---|
| 0,0 → 1,15 |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
| ;; Distributed under terms of the GNU General Public License ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| $Revision: 750 $ |
| include 'dev_fd.inc' |
| include 'dev_hdcd.inc' |
| include 'getcache.inc' |
| include 'sear_par.inc' |
| /kernel/branches/detect/getcache.inc |
|---|
| 0,0 → 1,201 |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
| ;; Distributed under terms of the GNU General Public License ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| $Revision: 750 $ |
| pusha |
| mov eax,[pg_data.pages_free] |
| ; 1/32 |
| shr eax,5 |
| ; round off up to 8 pages |
| shr eax,3 |
| shl eax,3 |
| ; translate pages in butes *4096 |
| shl eax,12 |
| ; 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 |
| mov ch,[DRIVE_DATA+1] |
| mov cl,ch |
| and cl,11b |
| je .ide2 |
| mov esi,cache_ide3 |
| call get_cache_ide |
| .ide2: |
| mov cl,ch |
| shr cl,2 |
| and cl,11b |
| je .ide1 |
| mov esi,cache_ide2 |
| call get_cache_ide |
| .ide1: |
| mov cl,ch |
| shr cl,4 |
| and cl,11b |
| je .ide0 |
| mov esi,cache_ide1 |
| call get_cache_ide |
| .ide0: |
| mov cl,ch |
| shr cl,6 |
| and cl,11b |
| je @f |
| mov esi,cache_ide0 |
| call get_cache_ide |
| @@: |
| xor ecx,ecx |
| cmp [NumBiosDisks],ecx |
| jz .endbd |
| mov esi,BiosDiskCaches |
| .loopbd: |
| cmp byte [BiosDisksData+ecx*4+2],-1 |
| jnz .contbd |
| mov eax,[cache_ide0_size] |
| mov [esi+cache_ide0_size-cache_ide0],eax |
| push ecx |
| mov cl,1 |
| call get_cache_ide |
| pop ecx |
| .contbd: |
| add esi,cache_ide1-cache_ide0 |
| inc ecx |
| cmp ecx,[NumBiosDisks] |
| jb .loopbd |
| .endbd: |
| 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 |
| push ecx |
| stdcall kernel_alloc,[esi+cache_ide0_size-cache_ide0] |
| mov [esi+cache_ide0_pointer-cache_ide0],eax |
| pop ecx |
| mov edx,eax |
| mov eax,[esi+cache_ide0_size-cache_ide0] |
| shr eax,3 |
| mov [esi+cache_ide0_system_data_size-cache_ide0],eax |
| mov ebx,eax |
| imul eax,7 |
| mov [esi+cache_ide0_appl_data_size-cache_ide0],eax |
| add ebx,edx |
| mov [esi+cache_ide0_data_pointer-cache_ide0],ebx |
| cmp cl,10b |
| je .cd |
| push ecx |
| mov eax,[esi+cache_ide0_system_data_size-cache_ide0] |
| call calculate_for_hd |
| 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 |
| push edi |
| mov edi,[esi+cache_ide0_pointer-cache_ide0] |
| call clear_ide_cache |
| pop edi |
| mov eax,[esi+cache_ide0_appl_data_size-cache_ide0] |
| call calculate_for_hd |
| 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 |
| push edi |
| mov edi,[esi+cache_ide0_data_pointer-cache_ide0] |
| call clear_ide_cache |
| pop edi |
| pop ecx |
| ret |
| .cd: |
| push ecx |
| mov eax,[esi+cache_ide0_system_data_size-cache_ide0] |
| 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 |
| push edi |
| mov edi,[esi+cache_ide0_pointer-cache_ide0] |
| call clear_ide_cache |
| pop edi |
| mov eax,[esi+cache_ide0_appl_data_size-cache_ide0] |
| 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 |
| push edi |
| mov edi,[esi+cache_ide0_data_pointer-cache_ide0] |
| call clear_ide_cache |
| pop edi |
| pop ecx |
| ret |
| calculate_for_hd: |
| push eax |
| mov ebx,eax |
| shr eax,9 |
| shl eax,3 |
| sub ebx,eax |
| shr ebx,9 |
| mov ecx,ebx |
| shl ebx,9 |
| pop eax |
| sub eax,ebx |
| dec ecx |
| ret |
| calculate_for_cd: |
| push eax |
| mov ebx,eax |
| shr eax,11 |
| shl eax,3 |
| sub ebx,eax |
| shr ebx,11 |
| mov ecx,ebx |
| shl ebx,11 |
| pop eax |
| sub eax,ebx |
| dec ecx |
| ret |
| clear_ide_cache: |
| push eax |
| shl ecx,1 |
| xor eax,eax |
| cld |
| rep stosd |
| pop eax |
| ret |
| end_get_cache: |
| ; mov [cache_ide0_pointer],HD_CACHE |
| ; mov [cache_ide0_system_data],HD_CACHE+65536 |
| ; mov [cache_ide0_system_sad_size],1919 |
| popa |
| /kernel/branches/detect/sear_par.inc |
|---|
| 0,0 → 1,153 |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
| ;; Distributed under terms of the GNU General Public License ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| $Revision: 709 $ |
| ;**************************************************** |
| ; ïîèñê ëîãè÷åñêèõ äèñêîâ íà îáíàðóæåííûõ HDD |
| ; è çàíåñåíèå äàííûõ â îáëàñòü òàáëèöû |
| ; àâòîð Mario79 |
| ;**************************************************** |
| mov [transfer_adress],DRIVE_DATA+0xa |
| search_partitions_ide0: |
| test [DRIVE_DATA+1],byte 0x40 |
| jz search_partitions_ide1 |
| mov [hdbase],0x1f0 |
| mov [hdid],0x0 |
| mov [hdpos],1 |
| mov [fat32part],1 |
| search_partitions_ide0_1: |
| call set_FAT32_variables |
| cmp [problem_partition],0 |
| jne search_partitions_ide1 |
| inc byte [DRIVE_DATA+2] |
| call partition_data_transfer |
| add [transfer_adress],100 |
| inc [fat32part] |
| jmp search_partitions_ide0_1 |
| search_partitions_ide1: |
| test [DRIVE_DATA+1],byte 0x10 |
| jz search_partitions_ide2 |
| mov [hdbase],0x1f0 |
| mov [hdid],0x10 |
| mov [hdpos],2 |
| mov [fat32part],1 |
| search_partitions_ide1_1: |
| call set_FAT32_variables |
| cmp [problem_partition],0 |
| jne search_partitions_ide2 |
| inc byte [DRIVE_DATA+3] |
| call partition_data_transfer |
| add [transfer_adress],100 |
| inc [fat32part] |
| jmp search_partitions_ide1_1 |
| search_partitions_ide2: |
| test [DRIVE_DATA+1],byte 0x4 |
| jz search_partitions_ide3 |
| mov [hdbase],0x170 |
| mov [hdid],0x0 |
| mov [hdpos],3 |
| mov [fat32part],1 |
| search_partitions_ide2_1: |
| call set_FAT32_variables |
| cmp [problem_partition],0 |
| jne search_partitions_ide3 |
| inc byte [DRIVE_DATA+4] |
| call partition_data_transfer |
| add [transfer_adress],100 |
| inc [fat32part] |
| jmp search_partitions_ide2_1 |
| search_partitions_ide3: |
| test [DRIVE_DATA+1],byte 0x1 |
| jz end_search_partitions_ide |
| mov [hdbase],0x170 |
| mov [hdid],0x10 |
| mov [hdpos],4 |
| mov [fat32part],1 |
| search_partitions_ide3_1: |
| call set_FAT32_variables |
| cmp [problem_partition],0 |
| jne end_search_partitions_ide |
| inc byte [DRIVE_DATA+5] |
| call partition_data_transfer |
| add [transfer_adress],100 |
| inc [fat32part] |
| jmp search_partitions_ide3_1 |
| end_search_partitions_ide: |
| mov [hdpos], 80h |
| mov ecx, [NumBiosDisks] |
| test ecx, ecx |
| jz end_search_partitions |
| start_search_partitions_bd: |
| push ecx |
| mov eax, [hdpos] |
| and [BiosDiskPartitions+(eax-80h)*4], 0 |
| mov [fat32part], 1 |
| search_partitions_bd: |
| call set_FAT32_variables |
| cmp [problem_partition], 0 |
| jne end_search_partitions_bd |
| mov eax, [hdpos] |
| inc [BiosDiskPartitions+(eax-80h)*4] |
| call partition_data_transfer |
| add [transfer_adress], 100 |
| inc [fat32part] |
| jmp search_partitions_bd |
| end_search_partitions_bd: |
| pop ecx |
| inc [hdpos] |
| loop start_search_partitions_bd |
| jmp end_search_partitions |
| partition_data_transfer: |
| mov edi,[transfer_adress] |
| mov esi,PARTITION_START |
| mov ecx,(file_system_data_size+3)/4 |
| rep movsd |
| ret |
| uglobal |
| transfer_adress dd 0 |
| endg |
| partition_data_transfer_1: |
| ; cli |
| push edi |
| mov edi,PARTITION_START |
| mov esi,[transfer_adress] |
| mov ecx,(file_system_data_size+3)/4 |
| rep movsd |
| pop edi |
| ; sti |
| ret |
| end_search_partitions: |
| ;PARTITION_START dd 0x3f |
| ;PARTITION_END dd 0 |
| ;SECTORS_PER_FAT dd 0x1f3a |
| ;NUMBER_OF_FATS dd 0x2 |
| ;SECTORS_PER_CLUSTER dd 0x8 |
| ;BYTES_PER_SECTOR dd 0x200 ; Note: if BPS <> 512 need lots of changes |
| ;ROOT_CLUSTER dd 2 ; first rootdir cluster |
| ;FAT_START dd 0 ; start of fat table |
| ;ROOT_START dd 0 ; start of rootdir (only fat16) |
| ;ROOT_SECTORS dd 0 ; count of rootdir sectors (only fat16) |
| ;DATA_START dd 0 ; start of data area (=first cluster 2) |
| ;LAST_CLUSTER dd 0 ; last availabe cluster |
| ;ADR_FSINFO dd 0 ; used only by fat32 |
| ; |
| ;fatRESERVED dd 0x0FFFFFF6 |
| ;fatBAD dd 0x0FFFFFF7 |
| ;fatEND dd 0x0FFFFFF8 |
| ;fatMASK dd 0x0FFFFFFF |
| ; |
| ;fat_type db 0 ; 0=none, 16=fat16, 32=fat32 |