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Rev 1161 Rev 1206
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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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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;; Distributed under terms of the GNU General Public License    ;;
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8 
$Revision: 593 $
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$Revision: 1206 $
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10 
 
 10 
 
11 
;******************************************************
 11 
;******************************************************
12 
; ïîèñê ïðèâîäîâ HDD è CD
 12 
; ïîèñê ïðèâîäîâ HDD è CD
13 
; àâòîð èñõîäíîãî òåêñòà Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷.
 13 
; àâòîð èñõîäíîãî òåêñòà Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷.
14 
; àäàïòàöèÿ è äîðàáîòêà Mario79
 14 
; àäàïòàöèÿ è äîðàáîòêà Mario79
15 
;******************************************************
 15 
;******************************************************
16 
 
 16 
 
17 
;****************************************************
 17 
;****************************************************
18 
;*                 ÏÎÈÑÊ HDD è CD                   *
 18 
;*                 ÏÎÈÑÊ HDD è CD                   *
19 
;****************************************************
 19 
;****************************************************
20 
FindHDD:
 20 
FindHDD:
21 
        mov     [ChannelNumber],1
 21 
        mov     [ChannelNumber],1
22 
        mov     [DiskNumber],0
 22 
        mov     [DiskNumber],0
23 
        call    FindHDD_3
 23 
        call    FindHDD_3
24 
;        mov     ax,[Sector512+176]
 24 
;        mov     ax,[Sector512+176]
25 
;        mov     [DRIVE_DATA+6],ax
 25 
;        mov     [DRIVE_DATA+6],ax
26 
;        mov     ax,[Sector512+126]
 26 
;        mov     ax,[Sector512+126]
27 
;        mov     [DRIVE_DATA+8],ax
 27 
;        mov     [DRIVE_DATA+8],ax
28 
;        mov     ax,[Sector512+128]
 28 
;        mov     ax,[Sector512+128]
29 
;        mov     [DRIVE_DATA+8],ax
 29 
;        mov     [DRIVE_DATA+8],ax
30 
        mov     [DiskNumber],1
 30 
        mov     [DiskNumber],1
31 
        call    FindHDD_3
 31 
        call    FindHDD_3
32 
;        mov     al,[Sector512+176]
 32 
;        mov     al,[Sector512+176]
33 
;        mov     [DRIVE_DATA+7],al
 33 
;        mov     [DRIVE_DATA+7],al
34 
        inc     [ChannelNumber]
 34 
        inc     [ChannelNumber]
35 
        mov     [DiskNumber],0
 35 
        mov     [DiskNumber],0
36 
        call    FindHDD_3
 36 
        call    FindHDD_3
37 
;        mov     al,[Sector512+176]
 37 
;        mov     al,[Sector512+176]
38 
;        mov     [DRIVE_DATA+8],al
 38 
;        mov     [DRIVE_DATA+8],al
39 
        mov     [DiskNumber],1
 39 
        mov     [DiskNumber],1
40 
        call    FindHDD_1
 40 
        call    FindHDD_1
41 
;        mov     al,[Sector512+176]
 41 
;        mov     al,[Sector512+176]
42 
;        mov     [DRIVE_DATA+9],al
 42 
;        mov     [DRIVE_DATA+9],al
43 
 
 43 
 
44 
        jmp     EndFindHDD
 44 
        jmp     EndFindHDD
45 
 
 45 
 
46 
FindHDD_1:
 46 
FindHDD_1:
47 
        call    ReadHDD_ID
 47 
        call    ReadHDD_ID
48 
        cmp     [DevErrorCode],0
 48 
        cmp     [DevErrorCode],0
49 
        jne     FindHDD_2
 49 
        jne     FindHDD_2
50 
        cmp     [Sector512+6],word 16
 50 
        cmp     [Sector512+6],word 16
51 
        ja      FindHDD_2
 51 
        ja      FindHDD_2
52 
        cmp     [Sector512+12],word 255
 52 
        cmp     [Sector512+12],word 255
53 
        ja      FindHDD_2
 53 
        ja      FindHDD_2
54 
        inc     byte [DRIVE_DATA+1]
 54 
        inc     byte [DRIVE_DATA+1]
55 
        jmp     FindHDD_2_2
 55 
        jmp     FindHDD_2_2
56 
   FindHDD_2:
 56 
   FindHDD_2:
57 
        call    DeviceReset
 57 
        call    DeviceReset
58 
        cmp     [DevErrorCode],0
 58 
        cmp     [DevErrorCode],0
59 
        jne     FindHDD_2_2
 59 
        jne     FindHDD_2_2
60 
        call    ReadCD_ID
 60 
        call    ReadCD_ID
61 
        cmp     [DevErrorCode],0
 61 
        cmp     [DevErrorCode],0
62 
        jne      FindHDD_2_2
 62 
        jne      FindHDD_2_2
63 
        inc     byte [DRIVE_DATA+1]
 63 
        inc     byte [DRIVE_DATA+1]
64 
        inc     byte [DRIVE_DATA+1]
 64 
        inc     byte [DRIVE_DATA+1]
65 
   FindHDD_2_2:
 65 
   FindHDD_2_2:
66 
        ret
 66 
        ret
67 
 
 67 
 
68 
FindHDD_3:
 68 
FindHDD_3:
69 
        call    FindHDD_1
 69 
        call    FindHDD_1
70 
        shl     byte [DRIVE_DATA+1],2
 70 
        shl     byte [DRIVE_DATA+1],2
71 
        ret
 71 
        ret
72 
 
 72 
 
73 
 
 73 
 
74 
; Àäðåñ ñ÷èòûâàåìîãî ñåêòîðà â ðåæèìå LBA
 74 
; Àäðåñ ñ÷èòûâàåìîãî ñåêòîðà â ðåæèìå LBA
75 
SectorAddress   DD ?
 75 
SectorAddress   DD ?
76 
 
 76 
 
77 
;*************************************************
 77 
;*************************************************
78 
;*     ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÆÅÑÒÊÎÃÎ ÄÈÑÊÀ      *
 78 
;*     ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÆÅÑÒÊÎÃÎ ÄÈÑÊÀ      *
79 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 79 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
80 
;* ïåðåìåííûå:                                   *
 80 
;* ïåðåìåííûå:                                   *
81 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);       *
 81 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);       *
82 
;* DiskNumber - íîìåð äèñêà íà êàíàëå (0 èëè 1). *
 82 
;* DiskNumber - íîìåð äèñêà íà êàíàëå (0 èëè 1). *
83 
;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ     *
 83 
;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ     *
84 
;* â ìàññèâ Sector512.                           *
 84 
;* â ìàññèâ Sector512.                           *
85 
;*************************************************
 85 
;*************************************************
86 
ReadHDD_ID:
 86 
ReadHDD_ID:
87 
; Çàäàòü ðåæèì CHS
 87 
; Çàäàòü ðåæèì CHS
88 
        mov     [ATAAddressMode],0
 88 
        mov     [ATAAddressMode],0
89 
; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà
 89 
; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà
90 
        mov     [ATAFeatures],0
 90 
        mov     [ATAFeatures],0
91 
        mov     [ATAHead],0
 91 
        mov     [ATAHead],0
92 
        mov     [ATACommand],0ECh
 92 
        mov     [ATACommand],0ECh
93 
        call    SendCommandToHDD
 93 
        call    SendCommandToHDD
94 
        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
 94 
        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
95 
        jne     @@End  ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
 95 
        jne     @@End  ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
96 
        mov     DX,[ATABasePortAddr]
 96 
        mov     DX,[ATABasePortAddr]
97 
        add     DX,7     ;àäðåñ ðåãèñòðà ñîñòîÿíè
 97 
        add     DX,7     ;àäðåñ ðåãèñòðà ñîñòîÿíè
98 
        mov  ecx,0xffff
 98 
        mov  ecx,0xffff
99 
@@WaitCompleet:
 99 
@@WaitCompleet:
100 
        ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
 100 
        ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
101 
        dec  ecx
 101 
        dec  ecx
102 
        cmp  ecx,0
 102 
        cmp  ecx,0
103 
        je     @@Error1   ;îøèáêà òàéì-àóòà
 103 
        je     @@Error1   ;îøèáêà òàéì-àóòà
104 
        ; Ïðîâåðèòü ãîòîâíîñòü
 104 
        ; Ïðîâåðèòü ãîòîâíîñòü
105 
        in      AL,DX
 105 
        in      AL,DX
106 
        test    AL,80h   ;ñîñòîÿíèå ñèãíàëà BSY
 106 
        test    AL,80h   ;ñîñòîÿíèå ñèãíàëà BSY
107 
        jnz     @@WaitCompleet
 107 
        jnz     @@WaitCompleet
108 
        test    AL,1     ;ñîñòîÿíèå ñèãíàëà ERR
 108 
        test    AL,1     ;ñîñòîÿíèå ñèãíàëà ERR
109 
        jnz     @@Error6
 109 
        jnz     @@Error6
110 
        test    AL,08h   ;ñîñòîÿíèå ñèãíàëà DRQ
 110 
        test    AL,08h   ;ñîñòîÿíèå ñèãíàëà DRQ
111 
        jz      @@WaitCompleet
 111 
        jz      @@WaitCompleet
112 
; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
 112 
; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
113 
;        mov     AX,DS
 113 
;        mov     AX,DS
114 
;        mov     ES,AX
 114 
;        mov     ES,AX
115 
        mov     EDI,Sector512  ;offset Sector512
 115 
        mov     EDI,Sector512  ;offset Sector512
116 
        mov     DX,[ATABasePortAddr] ;ðåãèñòð äàííûõ
 116 
        mov     DX,[ATABasePortAddr] ;ðåãèñòð äàííûõ
117 
        mov     CX,256   ;÷èñëî ñ÷èòûâàåìûõ ñëîâ
 117 
        mov     CX,256   ;÷èñëî ñ÷èòûâàåìûõ ñëîâ
118 
        rep     insw     ;ïðèíÿòü áëîê äàííûõ
 118 
        rep     insw     ;ïðèíÿòü áëîê äàííûõ
119 
        jmp @@End
 119 
        jmp @@End
120 
; Çàïèñàòü êîä îøèáêè
 120 
; Çàïèñàòü êîä îøèáêè
121 
@@Error1:
 121 
@@Error1:
122 
        mov     [DevErrorCode],1
 122 
        mov     [DevErrorCode],1
123 
        jmp @@End
 123 
        jmp @@End
124 
@@Error6:
 124 
@@Error6:
125 
        mov     [DevErrorCode],6
 125 
        mov     [DevErrorCode],6
126 
@@End:  ret
 126 
@@End:  ret
127 
 
 127 
 
128 
 
 128 
 
129 
 
 129 
 
130 
; Ñòàíäàðòíûå áàçîâûå àäðåñà êàíàëîâ 1 è 2
 130 
; Ñòàíäàðòíûå áàçîâûå àäðåñà êàíàëîâ 1 è 2
131 
StandardATABases DW 1F0h, 170h
 131 
StandardATABases DW 1F0h, 170h
132 
; Íîìåð êàíàëà
 132 
; Íîìåð êàíàëà
133 
ChannelNumber   DW ?
 133 
ChannelNumber   DW ?
134 
; Íîìåð äèñêà
 134 
; Íîìåð äèñêà
135 
DiskNumber      DB ?
 135 
DiskNumber      DB ?
136 
; Áàçîâûé àäðåñ ãðóïïû ïîðòîâ êîíòðîëëåðà ATA
 136 
; Áàçîâûé àäðåñ ãðóïïû ïîðòîâ êîíòðîëëåðà ATA
137 
ATABasePortAddr DW ?
 137 
ATABasePortAddr DW ?
138 
; Ïàðàìåòðû ATA-êîìàíäû
 138 
; Ïàðàìåòðû ATA-êîìàíäû
139 
ATAFeatures     DB ? ;îñîáåííîñòè
 139 
ATAFeatures     DB ? ;îñîáåííîñòè
140 
ATASectorCount  DB ? ;êîëè÷åñòâî îáðàáàòûâàåìûõ ñåêòîðîâ
 140 
ATASectorCount  DB ? ;êîëè÷åñòâî îáðàáàòûâàåìûõ ñåêòîðîâ
141 
ATASectorNumber DB ? ;íîìåð íà÷àëüíîãî ñåêòîðà
 141 
ATASectorNumber DB ? ;íîìåð íà÷àëüíîãî ñåêòîðà
142 
ATACylinder     DW ? ;íîìåð íà÷àëüíîãî öèëèíäðà
 142 
ATACylinder     DW ? ;íîìåð íà÷àëüíîãî öèëèíäðà
143 
ATAHead         DB ? ;íîìåð íà÷àëüíîé ãîëîâêè
 143 
ATAHead         DB ? ;íîìåð íà÷àëüíîé ãîëîâêè
144 
ATAAddressMode  DB ? ;ðåæèì àäðåñàöèè (0 - CHS, 1 - LBA)
 144 
ATAAddressMode  DB ? ;ðåæèì àäðåñàöèè (0 - CHS, 1 - LBA)
145 
ATACommand      DB ? ;êîä êîìàíäû, ïîäëåæàùåé âûïîëíåíèþ
 145 
ATACommand      DB ? ;êîä êîìàíäû, ïîäëåæàùåé âûïîëíåíèþ
146 
; Êîä îøèáêè (0 - íåò îøèáîê, 1 - ïðåâûøåí äîïóñòèìûé
 146 
; Êîä îøèáêè (0 - íåò îøèáîê, 1 - ïðåâûøåí äîïóñòèìûé
147 
; èíòåðâàë îæèäàíèÿ, 2 - íåâåðíûé êîä ðåæèìà àäðåñàöèè,
 147 
; èíòåðâàë îæèäàíèÿ, 2 - íåâåðíûé êîä ðåæèìà àäðåñàöèè,
148 
; 3 - íåâåðíûé íîìåð êàíàëà, 4 - íåâåðíûé íîìåð äèñêà,
 148 
; 3 - íåâåðíûé íîìåð êàíàëà, 4 - íåâåðíûé íîìåð äèñêà,
149 
; 5 - íåâåðíûé íîìåð ãîëîâêè, 6 - îøèáêà ïðè âûïîëíåíèè
 149 
; 5 - íåâåðíûé íîìåð ãîëîâêè, 6 - îøèáêà ïðè âûïîëíåíèè
150 
; êîìàíäû)
 150 
; êîìàíäû)
151 
DevErrorCode DB ?
 151 
DevErrorCode DB ?
152 
 
 152 
 
153 
;****************************************************
 153 
;****************************************************
154 
;*          ÏÎÑËÀÒÜ ÊÎÌÀÍÄÓ ÇÀÄÀÍÍÎÌÓ ÄÈÑÊÓ         *
 154 
;*          ÏÎÑËÀÒÜ ÊÎÌÀÍÄÓ ÇÀÄÀÍÍÎÌÓ ÄÈÑÊÓ         *
155 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå    *
 155 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå    *
156 
;* ïåðåìåííûå:                                      *
 156 
;* ïåðåìåííûå:                                      *
157 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);          *
 157 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);          *
158 
;* DiskNumber - íîìåð äèñêà (0 èëè 1);              *
 158 
;* DiskNumber - íîìåð äèñêà (0 èëè 1);              *
159 
;* ATAFeatures - "îñîáåííîñòè";                     *
 159 
;* ATAFeatures - "îñîáåííîñòè";                     *
160 
;* ATASectorCount - êîëè÷åñòâî ñåêòîðîâ;            *
 160 
;* ATASectorCount - êîëè÷åñòâî ñåêòîðîâ;            *
161 
;* ATASectorNumber - íîìåð íà÷àëüíîãî ñåêòîðà;      *
 161 
;* ATASectorNumber - íîìåð íà÷àëüíîãî ñåêòîðà;      *
162 
;* ATACylinder - íîìåð íà÷àëüíîãî öèëèíäðà;         *
 162 
;* ATACylinder - íîìåð íà÷àëüíîãî öèëèíäðà;         *
163 
;* ATAHead - íîìåð íà÷àëüíîé ãîëîâêè;               *
 163 
;* ATAHead - íîìåð íà÷àëüíîé ãîëîâêè;               *
164 
;* ATAAddressMode - ðåæèì àäðåñàöèè (0-CHS, 1-LBA); *
 164 
;* ATAAddressMode - ðåæèì àäðåñàöèè (0-CHS, 1-LBA); *
165 
;* ATACommand - êîä êîìàíäû.                        *
 165 
;* ATACommand - êîä êîìàíäû.                        *
166 
;* Ïîñëå óñïåøíîãî âûïîëíåíèÿ ôóíêöèè:              *
 166 
;* Ïîñëå óñïåøíîãî âûïîëíåíèÿ ôóíêöèè:              *
167 
;* â ATABasePortAddr - áàçîâûé àäðåñ HDD;           *
 167 
;* â ATABasePortAddr - áàçîâûé àäðåñ HDD;           *
168 
;* â DevErrorCode - íîëü.                           *
 168 
;* â DevErrorCode - íîëü.                           *
169 
;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò    *
 169 
;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò    *
170 
;* âîçâðàùåí êîä îøèáêè.                            *
 170 
;* âîçâðàùåí êîä îøèáêè.                            *
171 
;****************************************************
 171 
;****************************************************
172 
SendCommandToHDD:
 172 
SendCommandToHDD:
173 
; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà
 173 
; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà
174 
        cmp     [ATAAddressMode],1
 174 
        cmp     [ATAAddressMode],1
175 
        ja      @@Err2
 175 
        ja      @@Err2
176 
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
 176 
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
177 
        mov     BX,[ChannelNumber]
 177 
        mov     BX,[ChannelNumber]
178 
        cmp     BX,1
 178 
        cmp     BX,1
179 
        jb      @@Err3
 179 
        jb      @@Err3
180 
        cmp     BX,2
 180 
        cmp     BX,2
181 
        ja      @@Err3
 181 
        ja      @@Err3
182 
; Óñòàíîâèòü áàçîâûé àäðåñ
 182 
; Óñòàíîâèòü áàçîâûé àäðåñ
183 
        dec     BX
 183 
        dec     BX
184 
        shl     BX,1
 184 
        shl     BX,1
185 
        movzx   ebx,bx
 185 
        movzx   ebx,bx
186 
        mov     AX,[ebx+StandardATABases]
 186 
        mov     AX,[ebx+StandardATABases]
187 
        mov     [ATABasePortAddr],AX
 187 
        mov     [ATABasePortAddr],AX
188 
; Îæèäàíèå ãîòîâíîñòè HDD ê ïðèåìó êîìàíäû
 188 
; Îæèäàíèå ãîòîâíîñòè HDD ê ïðèåìó êîìàíäû
189 
        ; Âûáðàòü íóæíûé äèñê
 189 
        ; Âûáðàòü íóæíûé äèñê
190 
        mov     DX,[ATABasePortAddr]
 190 
        mov     DX,[ATABasePortAddr]
191 
        add     DX,6    ;àäðåñ ðåãèñòðà ãîëîâîê
 191 
        add     DX,6    ;àäðåñ ðåãèñòðà ãîëîâîê
192 
        mov     AL,[DiskNumber]
 192 
        mov     AL,[DiskNumber]
193 
        cmp     AL,1    ;ïðîâåðèòü íîìåðà äèñêà
 193 
        cmp     AL,1    ;ïðîâåðèòü íîìåðà äèñêà
194 
        ja      @@Err4
 194 
        ja      @@Err4
195 
        shl     AL,4
 195 
        shl     AL,4
196 
        or      AL,10100000b
 196 
        or      AL,10100000b
197 
        out     DX,AL
 197 
        out     DX,AL
198 
        ; Îæèäàòü, ïîêà äèñê íå áóäåò ãîòîâ
 198 
        ; Îæèäàòü, ïîêà äèñê íå áóäåò ãîòîâ
199 
        inc     DX
 199 
        inc     DX
200 
        mov  ecx,0xfff
 200 
        mov  ecx,0xfff
201 
;        mov     eax,[timer_ticks]
 201 
;        mov     eax,[timer_ticks]
202 
;        mov     [TickCounter_1],eax
 202 
;        mov     [TickCounter_1],eax
203 
@@WaitHDReady:
 203 
@@WaitHDReady:
204 
        ; Ïðîâåðèòü âðåìÿ îæèäàíè
 204 
        ; Ïðîâåðèòü âðåìÿ îæèäàíè
205 
        dec  ecx
 205 
        dec  ecx
206 
        cmp  ecx,0
 206 
        cmp  ecx,0
207 
        je     @@Err1
 207 
        je     @@Err1
208 
;        mov     eax,[timer_ticks]
 208 
;        mov     eax,[timer_ticks]
209 
;        sub     eax,[TickCounter_1]
 209 
;        sub     eax,[TickCounter_1]
210 
;        cmp     eax,300    ;îæèäàòü 300 òèêîâ
 210 
;        cmp     eax,300    ;îæèäàòü 300 òèêîâ
211 
;        ja      @@Err1   ;îøèáêà òàéì-àóòà
 211 
;        ja      @@Err1   ;îøèáêà òàéì-àóòà
212 
        ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè
 212 
        ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè
213 
        in      AL,DX
 213 
        in      AL,DX
214 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
 214 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
215 
        test    AL,80h
 215 
        test    AL,80h
216 
        jnz     @@WaitHDReady
 216 
        jnz     @@WaitHDReady
217 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà DRQ
 217 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà DRQ
218 
        test    AL,08h
 218 
        test    AL,08h
219 
        jnz     @@WaitHDReady
 219 
        jnz     @@WaitHDReady
220 
; Çàãðóçèòü êîìàíäó â ðåãèñòðû êîíòðîëëåðà
 220 
; Çàãðóçèòü êîìàíäó â ðåãèñòðû êîíòðîëëåðà
221 
        cli
 221 
        cli
222 
        mov     DX,[ATABasePortAddr]
 222 
        mov     DX,[ATABasePortAddr]
223 
        inc     DX      ;ðåãèñòð "îñîáåííîñòåé"
 223 
        inc     DX      ;ðåãèñòð "îñîáåííîñòåé"
224 
        mov     AL,[ATAFeatures]
 224 
        mov     AL,[ATAFeatures]
225 
        out     DX,AL
 225 
        out     DX,AL
226 
        inc     DX      ;ñ÷åò÷èê ñåêòîðîâ
 226 
        inc     DX      ;ñ÷åò÷èê ñåêòîðîâ
227 
        mov     AL,[ATASectorCount]
 227 
        mov     AL,[ATASectorCount]
228 
        out     DX,AL
 228 
        out     DX,AL
229 
        inc     DX      ;ðåãèñòð íîìåðà ñåêòîðà
 229 
        inc     DX      ;ðåãèñòð íîìåðà ñåêòîðà
230 
        mov     AL,[ATASectorNumber]
 230 
        mov     AL,[ATASectorNumber]
231 
        out     DX,AL
 231 
        out     DX,AL
232 
        inc     DX      ;íîìåð öèëèíäðà (ìëàäøèé áàéò)
 232 
        inc     DX      ;íîìåð öèëèíäðà (ìëàäøèé áàéò)
233 
        mov     AX,[ATACylinder]
 233 
        mov     AX,[ATACylinder]
234 
        out     DX,AL
 234 
        out     DX,AL
235 
        inc     DX      ;íîìåð öèëèíäðà (ñòàðøèé áàéò)
 235 
        inc     DX      ;íîìåð öèëèíäðà (ñòàðøèé áàéò)
236 
        mov     AL,AH
 236 
        mov     AL,AH
237 
        out     DX,AL
 237 
        out     DX,AL
238 
        inc     DX      ;íîìåð ãîëîâêè/íîìåð äèñêà
 238 
        inc     DX      ;íîìåð ãîëîâêè/íîìåð äèñêà
239 
        mov     AL,[DiskNumber]
 239 
        mov     AL,[DiskNumber]
240 
        shl     AL,4
 240 
        shl     AL,4
241 
        cmp     [ATAHead],0Fh ;ïðîâåðèòü íîìåð ãîëîâêè
 241 
        cmp     [ATAHead],0Fh ;ïðîâåðèòü íîìåð ãîëîâêè
242 
        ja      @@Err5
 242 
        ja      @@Err5
243 
        or      AL,[ATAHead]
 243 
        or      AL,[ATAHead]
244 
        or      AL,10100000b
 244 
        or      AL,10100000b
245 
        mov     AH,[ATAAddressMode]
 245 
        mov     AH,[ATAAddressMode]
246 
        shl     AH,6
 246 
        shl     AH,6
247 
        or      AL,AH
 247 
        or      AL,AH
248 
        out     DX,AL
 248 
        out     DX,AL
249 
; Ïîñëàòü êîìàíäó
 249 
; Ïîñëàòü êîìàíäó
250 
        mov     AL,[ATACommand]
 250 
        mov     AL,[ATACommand]
251 
        inc     DX      ;ðåãèñòð êîìàíä
 251 
        inc     DX      ;ðåãèñòð êîìàíä
252 
        out     DX,AL
 252 
        out     DX,AL
253 
        sti
 253 
        sti
254 
; Ñáðîñèòü ïðèçíàê îøèáêè
 254 
; Ñáðîñèòü ïðèçíàê îøèáêè
255 
        mov     [DevErrorCode],0
 255 
        mov     [DevErrorCode],0
256 
        jmp @@End_2
 256 
        jmp @@End_2
257 
; Çàïèñàòü êîä îøèáêè
 257 
; Çàïèñàòü êîä îøèáêè
258 
@@Err1: mov     [DevErrorCode],1
 258 
@@Err1: mov     [DevErrorCode],1
259 
        jmp @@End_2
 259 
        jmp @@End_2
260 
@@Err2: mov     [DevErrorCode],2
 260 
@@Err2: mov     [DevErrorCode],2
261 
        jmp @@End_2
 261 
        jmp @@End_2
262 
@@Err3: mov     [DevErrorCode],3
 262 
@@Err3: mov     [DevErrorCode],3
263 
        jmp @@End_2
 263 
        jmp @@End_2
264 
@@Err4: mov     [DevErrorCode],4
 264 
@@Err4: mov     [DevErrorCode],4
265 
        jmp @@End_2
 265 
        jmp @@End_2
266 
@@Err5: mov     [DevErrorCode],5
 266 
@@Err5: mov     [DevErrorCode],5
267 
; Çàâåðøåíèå ðàáîòû ïðîãðàììû
 267 
; Çàâåðøåíèå ðàáîòû ïðîãðàììû
268 
@@End_2:
 268 
@@End_2:
269 
        ret
 269 
        ret
270 
 
 270 
 
271 
;*************************************************
 271 
;*************************************************
272 
;*     ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÓÑÒÐÎÉÑÒÂÀ ATAPI    *
 272 
;*     ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÓÑÒÐÎÉÑÒÂÀ ATAPI    *
273 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 273 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
274 
;* ïåðìåííûå:                                    *
 274 
;* ïåðìåííûå:                                    *
275 
;* ChannelNumber - íîìåð êàíàëà;                 *
 275 
;* ChannelNumber - íîìåð êàíàëà;                 *
276 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 276 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
277 
;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ     *
 277 
;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ     *
278 
;* â ìàññèâ Sector512.                           *
 278 
;* â ìàññèâ Sector512.                           *
279 
;*************************************************
 279 
;*************************************************
280 
ReadCD_ID:
 280 
ReadCD_ID:
281 
; Çàäàòü ðåæèì CHS
 281 
; Çàäàòü ðåæèì CHS
282 
        mov     [ATAAddressMode],0
 282 
        mov     [ATAAddressMode],0
283 
; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà
 283 
; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà
284 
        mov     [ATAFeatures],0
 284 
        mov     [ATAFeatures],0
285 
        mov     [ATASectorCount],0
 285 
        mov     [ATASectorCount],0
286 
        mov     [ATASectorNumber],0
 286 
        mov     [ATASectorNumber],0
287 
        mov     [ATACylinder],0
 287 
        mov     [ATACylinder],0
288 
        mov     [ATAHead],0
 288 
        mov     [ATAHead],0
289 
        mov     [ATACommand],0A1h
 289 
        mov     [ATACommand],0A1h
290 
        call    SendCommandToHDD
 290 
        call    SendCommandToHDD
291 
        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
 291 
        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
292 
        jne     @@End_1  ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
 292 
        jne     @@End_1  ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
293 
; Îæèäàòü ãîòîâíîñòü äàííûõ HDD
 293 
; Îæèäàòü ãîòîâíîñòü äàííûõ HDD
294 
        mov     DX,[ATABasePortAddr]
 294 
        mov     DX,[ATABasePortAddr]
295 
        add     DX,7   ;ïîðò 1õ7h
 295 
        add     DX,7   ;ïîðò 1õ7h
296 
        mov  ecx,0xffff
 296 
        mov  ecx,0xffff
297 
@@WaitCompleet_1:
 297 
@@WaitCompleet_1:
298 
        ; Ïðîâåðèòü âðåì
 298 
        ; Ïðîâåðèòü âðåì
299 
        dec  ecx
 299 
        dec  ecx
300 
        cmp  ecx,0
 300 
        cmp  ecx,0
301 
        je     @@Error1_1  ;îøèáêà òàéì-àóòà
 301 
        je     @@Error1_1  ;îøèáêà òàéì-àóòà
302 
        ; Ïðîâåðèòü ãîòîâíîñòü
 302 
        ; Ïðîâåðèòü ãîòîâíîñòü
303 
        in      AL,DX
 303 
        in      AL,DX
304 
        test    AL,80h   ;ñîñòîÿíèå ñèãíàëà BSY
 304 
        test    AL,80h   ;ñîñòîÿíèå ñèãíàëà BSY
305 
        jnz     @@WaitCompleet_1
 305 
        jnz     @@WaitCompleet_1
306 
        test    AL,1     ;ñîñòîÿíèå ñèãíàëà ERR
 306 
        test    AL,1     ;ñîñòîÿíèå ñèãíàëà ERR
307 
        jnz     @@Error6_1
 307 
        jnz     @@Error6_1
308 
        test    AL,08h   ;ñîñòîÿíèå ñèãíàëà DRQ
 308 
        test    AL,08h   ;ñîñòîÿíèå ñèãíàëà DRQ
309 
        jz      @@WaitCompleet_1
 309 
        jz      @@WaitCompleet_1
310 
; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
 310 
; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
311 
;        mov     AX,DS
 311 
;        mov     AX,DS
312 
;        mov     ES,AX
 312 
;        mov     ES,AX
313 
        mov     EDI,Sector512  ;offset Sector512
 313 
        mov     EDI,Sector512  ;offset Sector512
314 
        mov     DX,[ATABasePortAddr] ;ïîðò 1x0h
 314 
        mov     DX,[ATABasePortAddr] ;ïîðò 1x0h
315 
        mov     CX,256 ;÷èñëî ñ÷èòûâàåìûõ ñëîâ
 315 
        mov     CX,256 ;÷èñëî ñ÷èòûâàåìûõ ñëîâ
316 
        rep     insw
 316 
        rep     insw
317 
        jmp @@End_1
 317 
        jmp @@End_1
318 
; Çàïèñàòü êîä îøèáêè
 318 
; Çàïèñàòü êîä îøèáêè
319 
@@Error1_1:
 319 
@@Error1_1:
320 
        mov     [DevErrorCode],1
 320 
        mov     [DevErrorCode],1
321 
        jmp @@End_1
 321 
        jmp @@End_1
322 
@@Error6_1:
 322 
@@Error6_1:
323 
        mov     [DevErrorCode],6
 323 
        mov     [DevErrorCode],6
324 
@@End_1:
 324 
@@End_1:
325 
        ret
 325 
        ret
326 
 
 326 
 
327 
;*************************************************
 327 
;*************************************************
328 
;*                ÑÁÐÎÑ ÓÑÒÐÎÉÑÒÂÀ               *
 328 
;*                ÑÁÐÎÑ ÓÑÒÐÎÉÑÒÂÀ               *
329 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 329 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
330 
;* ïåðåìåííûå:                                   *
 330 
;* ïåðåìåííûå:                                   *
331 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);       *
 331 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);       *
332 
;* DiskNumber - íîìåð äèñêà (0 èëè 1).           *
 332 
;* DiskNumber - íîìåð äèñêà (0 èëè 1).           *
333 
;*************************************************
 333 
;*************************************************
334 
DeviceReset:
 334 
DeviceReset:
335 
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
 335 
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
336 
        mov     BX,[ChannelNumber]
 336 
        mov     BX,[ChannelNumber]
337 
        cmp     BX,1
 337 
        cmp     BX,1
338 
        jb      @@Err3_2
 338 
        jb      @@Err3_2
339 
        cmp     BX,2
 339 
        cmp     BX,2
340 
        ja      @@Err3_2
 340 
        ja      @@Err3_2
341 
; Óñòàíîâèòü áàçîâûé àäðåñ
 341 
; Óñòàíîâèòü áàçîâûé àäðåñ
342 
        dec     BX
 342 
        dec     BX
343 
        shl     BX,1
 343 
        shl     BX,1
344 
        movzx   ebx,bx
 344 
        movzx   ebx,bx
345 
        mov     DX,[ebx+StandardATABases]
 345 
        mov     DX,[ebx+StandardATABases]
346 
        mov     [ATABasePortAddr],DX
 346 
        mov     [ATABasePortAddr],DX
347 
; Âûáðàòü íóæíûé äèñê
 347 
; Âûáðàòü íóæíûé äèñê
348 
        add     DX,6    ;àäðåñ ðåãèñòðà ãîëîâîê
 348 
        add     DX,6    ;àäðåñ ðåãèñòðà ãîëîâîê
349 
        mov     AL,[DiskNumber]
 349 
        mov     AL,[DiskNumber]
350 
        cmp     AL,1    ;ïðîâåðèòü íîìåðà äèñêà
 350 
        cmp     AL,1    ;ïðîâåðèòü íîìåðà äèñêà
351 
        ja      @@Err4_2
 351 
        ja      @@Err4_2
352 
        shl     AL,4
 352 
        shl     AL,4
353 
        or      AL,10100000b
 353 
        or      AL,10100000b
354 
        out     DX,AL
 354 
        out     DX,AL
355 
; Ïîñëàòü êîìàíäó "Ñáðîñ"
 355 
; Ïîñëàòü êîìàíäó "Ñáðîñ"
356 
        mov     AL,08h
 356 
        mov     AL,08h
357 
        inc     DX      ;ðåãèñòð êîìàíä
 357 
        inc     DX      ;ðåãèñòð êîìàíä
358 
        out     DX,AL
 358 
        out     DX,AL
359 
        mov     ecx,0x80000
 359 
        mov     ecx,0x80000
360 
@@WaitHDReady_1:
 360 
@@WaitHDReady_1:
361 
        ; Ïðîâåðèòü âðåìÿ îæèäàíè
 361 
        ; Ïðîâåðèòü âðåìÿ îæèäàíè
362 
        dec     ecx
 362 
        dec     ecx
363 
        cmp     ecx,0
 363 
        cmp     ecx,0
364 
        je      @@Err1_2 ;îøèáêà òàéì-àóòà
 364 
        je      @@Err1_2 ;îøèáêà òàéì-àóòà
365 
        ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè
 365 
        ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè
366 
        in      AL,DX
 366 
        in      AL,DX
367 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
 367 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
368 
        test    AL,80h
 368 
        test    AL,80h
369 
        jnz     @@WaitHDReady_1
 369 
        jnz     @@WaitHDReady_1
370 
; Ñáðîñèòü ïðèçíàê îøèáêè
 370 
; Ñáðîñèòü ïðèçíàê îøèáêè
371 
        mov     [DevErrorCode],0
 371 
        mov     [DevErrorCode],0
372 
        jmp @@End_3
 372 
        jmp @@End_3
373 
; Îáðàáîòêà îøèáîê
 373 
; Îáðàáîòêà îøèáîê
374 
@@Err1_2: mov     [DevErrorCode],1
 374 
@@Err1_2: mov     [DevErrorCode],1
375 
        jmp @@End_3
 375 
        jmp @@End_3
376 
@@Err3_2: mov     [DevErrorCode],3
 376 
@@Err3_2: mov     [DevErrorCode],3
377 
        jmp @@End_3
 377 
        jmp @@End_3
378 
@@Err4_2: mov     [DevErrorCode],4
 378 
@@Err4_2: mov     [DevErrorCode],4
379 
; Çàïèñàòü êîä îøèáêè
 379 
; Çàïèñàòü êîä îøèáêè
380 
@@End_3:
 380 
@@End_3:
381 
        ret
 381 
        ret
382 
 
 382 
 
383 
EndFindHDD:
 383 
EndFindHDD: