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Rev 3702 Rev 3706
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;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2012. 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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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 3702 $
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$Revision: 3706 $
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115 
; ATA with 28 or 48 bit for sector number?
 115 
; ATA with 28 or 48 bit for sector number?
116 
        mov     eax, [esp+4]
 116 
        mov     eax, [esp+4]
117 
        cmp     eax, 0x10000000
 117 
        cmp     eax, 0x10000000
118 
        jae     .lba48
118 
        jae     .lba48
119 
.lba28:
 119 
.lba28:
- 
 
 120 
        pushfd
120 
        cli
 121 
        cli
121 
        xor     eax, eax
 122 
        xor     eax, eax
122 
        mov     edx, [hdbase]
 123 
        mov     edx, [hdbase]
123 
        inc     edx
 124 
        inc     edx
124 
        out     dx, al; ATAFeatures регистр "особенностей"
 125 
        out     dx, al ; ATA Features регистр "особенностей"
125 
        inc     edx
 126 
        inc     edx
126 
        inc     eax
 127 
        inc     eax
127 
        out     dx, al; ATASectorCount счётчик секторов
 128 
        out     dx, al ; ATA Sector Counter счётчик секторов
128 
        inc     edx
 129 
        inc     edx
129 
        mov     eax, [esp+4]
 130 
        mov     eax, [esp+4+4]
130 
        out     dx, al; ATASectorNumber регистр номера сектора
 131 
        out     dx, al ; LBA Low LBA (7:0)
131 
        shr     eax, 8
 132 
        shr     eax, 8
132 
        inc     edx
 133 
        inc     edx
133 
        out     dx, al; ATACylinder номер цилиндра (младший байт)
 134 
        out     dx, al ; LBA Mid LBA (15:8)
134 
        shr     eax, 8
 135 
        shr     eax, 8
135 
        inc     edx
 136 
        inc     edx
136 
        out     dx, al; номер цилиндра (старший байт)
 137 
        out     dx, al ; LBA High LBA (23:16)
137 
        shr     eax, 8
 138 
        shr     eax, 8
138 
        inc     edx
 139 
        inc     edx
139 
        and     al, 1+2+4+8
 140 
        and     al, 1+2+4+8 ; LBA (27:24)
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        add     al, byte [hdid]
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        add     al, byte [hdid]
141 
        add     al, 128+64+32
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        add     al, 128+64+32
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        out     dx, al; номер головки/номер диска
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        out     dx, al ; номер головки/номер диска
143 
        inc     edx
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        inc     edx
144 
        mov     al, 20h
 145 
        mov     al, 20h	; READ SECTOR(S)
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        out     dx, al; ATACommand регистр команд
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        out     dx, al ; ATACommand регистр команд
146 
        sti
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        popfd
147 
	jmp	.continue
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	jmp	.continue
148 
.lba48:
 149 
.lba48:
- 
 
 150 
        pushfd
149 
        cli
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        cli
150 
        xor     eax, eax
 152 
        xor     eax, eax
151 
        mov     edx, [hdbase]
 153 
        mov     edx, [hdbase]
152 
        inc     edx
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        inc     edx
153 
        out     dx, al ; Features Previous Reserved
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        out     dx, al ; Features Previous Reserved
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        inc     edx
 157 
        inc     edx
156 
        out     dx, al ; Sector Count Previous Sector count (15:8)
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        out     dx, al ; Sector Count Previous Sector count (15:8)
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        inc     eax
 159 
        inc     eax
158 
        out     dx, al ; Sector Count Current Sector count (7:0)
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        out     dx, al ; Sector Count Current Sector count (7:0)
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        inc     edx
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        inc     edx
160 
        mov     eax, [esp+4]
 162 
        mov     eax, [esp+4+4]
161 
	rol	eax,8
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	rol	eax,8
162 
        out     dx, al ; LBA Low Previous LBA (31:24)
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        out     dx, al ; LBA Low Previous LBA (31:24)
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	xor	eax,eax ; because only 32 bit cache
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	xor	eax,eax ; because only 32 bit cache
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        inc     edx
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        inc     edx
165 
        out     dx, al ; LBA Mid Previous LBA (39:32)
 167 
        out     dx, al ; LBA Mid Previous LBA (39:32)
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        inc     edx
 168 
        inc     edx
167 
        out     dx, al ; LBA High Previous LBA (47:40)
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        out     dx, al ; LBA High Previous LBA (47:40)
168 
	sub	edx,2
 170 
	sub	edx,2
169 
        mov     eax, [esp+4]
 171 
        mov     eax, [esp+4+4]
170 
        out     dx, al ; LBA Low Current LBA (7:0)
 172 
        out     dx, al ; LBA Low Current LBA (7:0)
171 
        shr     eax, 8
 173 
        shr     eax, 8
172 
        inc     edx
 174 
        inc     edx
173 
        out     dx, al ; LBA Mid Current LBA (15:8)
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        out     dx, al ; LBA Mid Current LBA (15:8)
174 
        shr     eax, 8
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        shr     eax, 8
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        add     al, 128+64+32
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        add     al, 128+64+32
180 
        out     dx, al; номер головки/номер диска
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        out     dx, al; номер головки/номер диска
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        inc     edx
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        inc     edx
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        mov     al, 24h	; READ SECTOR(S) EXT
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        mov     al, 24h	; READ SECTOR(S) EXT
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        out     dx, al; ATACommand регистр команд
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        out     dx, al; ATACommand регистр команд
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        sti
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        popfd
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.continue:
 187 
.continue:
186 
        call    wait_for_sector_buffer
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        call    wait_for_sector_buffer
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187 
 
 189 
 
188 
        cmp     [hd_error], 0
 190 
        cmp     [hd_error], 0
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        pop     edi esi ecx
 291 
        pop     edi esi ecx
290 
        ret
 292 
        ret
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 293 
 
292 
align 4
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align 4
293 
cache_write_pio:
 - 
 
294 
        cmp     dword[esi], 0x10000000
 - 
 
295 
        jae     .bad
 295 
cache_write_pio:
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;    call  disable_ide_int
 296 
;    call  disable_ide_int
297 
 
 297 
 
298 
        ; Выбрать нужный диск
 298 
        ; Выбрать нужный диск
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 304 
 
305 
        call    wait_for_hd_idle
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        call    wait_for_hd_idle
306 
        cmp     [hd_error], 0
 306 
        cmp     [hd_error], 0
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- 
 
 307 
        jne     hd_write_error
- 
 
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- 
 
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; ATA with 28 or 48 bit for sector number?
- 
 
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        mov     eax, [esi]
- 
 
 311 
        cmp     eax, 0x10000000
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 312 
        jae     .lba48
307 
        jne     hd_write_error
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.lba28:
308 
 
 314 
        pushfd
309 
        cli
 315 
        cli
310 
        xor     eax, eax
 316 
        xor     eax, eax
311 
        mov     edx, [hdbase]
 317 
        mov     edx, [hdbase]
312 
        inc     edx
 318 
        inc     edx
313 
        out     dx, al
 319 
        out     dx, al ; ATA Features регистр "особенностей"
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        inc     edx
 320 
        inc     edx
315 
        inc     eax
 321 
        inc     eax
316 
        out     dx, al
 322 
        out     dx, al ; ATA Sector Counter счётчик секторов
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        inc     edx
 323 
        inc     edx
318 
        mov     eax, [esi]      ; eax = sector to write
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        mov     eax, [esi]      ; eax = sector to write
319 
        out     dx, al
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        out     dx, al ; LBA Low LBA (7:0)
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        shr     eax, 8
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        shr     eax, 8
321 
        inc     edx
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        inc     edx
322 
        out     dx, al
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        out     dx, al ; LBA Mid LBA (15:8)
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        shr     eax, 8
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        shr     eax, 8
324 
        inc     edx
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        inc     edx
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        out     dx, al
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        out     dx, al ; LBA High LBA (23:16)
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        shr     eax, 8
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        shr     eax, 8
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        inc     edx
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        inc     edx
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        and     al, 1+2+4+8
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        and     al, 1+2+4+8 ; LBA (27:24)
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        add     al, byte [hdid]
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        add     al, byte [hdid]
330 
        add     al, 128+64+32
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        add     al, 128+64+32
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 337 
        out     dx, al ; номер головки/номер диска
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 338 
        inc     edx
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        mov     al, 30h ; WRITE SECTOR(S)
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 340 
        out     dx, al ; ATACommand регистр команд
- 
 
 341 
        popfd
- 
 
 342 
	jmp	.continue
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.lba48:
- 
 
 344 
        pushfd
- 
 
 345 
        cli
- 
 
 346 
        xor     eax, eax
- 
 
 347 
        mov     edx, [hdbase]
- 
 
 348 
        inc     edx
- 
 
 349 
        out     dx, al ; Features Previous Reserved
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        out     dx, al ; Features Current Reserved
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 351 
        inc     edx
- 
 
 352 
        out     dx, al ; Sector Count Previous Sector count (15:8)
- 
 
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        inc     eax
331 
        out     dx, al
 354 
        out     dx, al ; Sector Count Current Sector count (7:0)
- 
 
 355 
        inc     edx
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 356 
        mov     eax, [esi]
- 
 
 357 
	rol	eax,8
- 
 
 358 
        out     dx, al ; LBA Low Previous LBA (31:24)
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	xor	eax,eax ; because only 32 bit cache
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 360 
        inc     edx
- 
 
 361 
        out     dx, al ; LBA Mid Previous LBA (39:32)
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        inc     edx
- 
 
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        out     dx, al ; LBA High Previous LBA (47:40)
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 364 
	sub	edx,2
- 
 
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        mov     eax, [esi]
- 
 
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        out     dx, al ; LBA Low Current LBA (7:0)
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        shr     eax, 8
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        inc     edx
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        inc     edx
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        out     dx, al ; LBA Mid Current LBA (15:8)
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        shr     eax, 8
- 
 
 371 
        inc     edx
- 
 
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        out     dx, al ; LBA High Current LBA (23:16)
- 
 
 373 
        inc     edx
- 
 
 374 
        mov     al, byte [hdid]
- 
 
 375 
        add     al, 128+64+32
- 
 
 376 
        out     dx, al; номер головки/номер диска
- 
 
 377 
        inc     edx
333 
        mov     al, 30h
 378 
        mov     al, 34h	; WRITE SECTOR(S) EXT
334 
        out     dx, al
 379 
        out     dx, al; ATACommand регистр команд
335 
        sti
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        popfd
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336 
 
 381 
.continue:
337 
        call    wait_for_sector_buffer
 382 
        call    wait_for_sector_buffer
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358 
 
 403 
 
359 
;    call  enable_ide_int
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;    call  enable_ide_int
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360 
        pop     esi ecx
 405 
        pop     esi ecx
361 
 
 - 
 
362 
        ret
 - 
 
363 
.bad:
 - 
 
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364 
        inc     [hd_error]
 406 
 
Line 365... Line 407...
365 
        ret
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        ret
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