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Rev 3539 Rev 3702
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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: 3539 $
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$Revision: 3702 $
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        jne     return_01
 48 
        jne     return_01
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; Read through BIOS?
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; Read through BIOS?
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        cmp     [hdpos], 0x80
 50 
        cmp     [hdpos], 0x80
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        jae     .bios
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        jae     .bios
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; hd_read_{dma,pio} use old ATA with 28 bit for sector number
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; hd_read_{dma,pio} use old ATA with 28 bit for sector number
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        cmp     eax, 0x10000000
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;        cmp     eax, 0x10000000
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        jb      @f
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;        jb      @f
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        inc     [hd_error]
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;        inc     [hd_error]
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        jmp     return_01
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;        jmp     return_01
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@@:
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;@@:
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; DMA read is permitted if [allow_dma_access]=1 or 2
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; DMA read is permitted if [allow_dma_access]=1 or 2
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        cmp     [allow_dma_access], 2
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        cmp     [allow_dma_access], 2
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        ja      .nodma
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        ja      .nodma
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        cmp     [dma_hdd], 1
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        cmp     [dma_hdd], 1
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        jnz     .nodma
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        jnz     .nodma
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align 4
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align 4
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hd_read_pio:
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hd_read_pio:
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- 
 
 102 
        push    eax edx
- 
 
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- 
 
 104 
        ; Выбрать нужный диск
- 
 
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        mov     edx, [hdbase]
- 
 
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        add     edx, 6   ;адрес регистра головок
- 
 
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        mov     al, byte [hdid]
- 
 
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        add     al, 128+64+32
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        push    eax edx
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        out     dx, al; номер головки/номер диска
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        call    wait_for_hd_idle
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        call    wait_for_hd_idle
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        cmp     [hd_error], 0
- 
 
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        jne     hd_read_error
- 
 
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- 
 
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; ATA with 28 or 48 bit for sector number?
- 
 
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        mov     eax, [esp+4]
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        cmp     [hd_error], 0
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        cmp     eax, 0x10000000
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        jne     hd_read_error
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        jae     .lba48
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.lba28:
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        cli
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        cli
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        xor     eax, eax
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        xor     eax, eax
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        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, 20h
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        mov     al, 20h
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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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        sti
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	jmp	.continue
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.lba48:
- 
 
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        cli
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        xor     eax, eax
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        mov     edx, [hdbase]
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        inc     edx
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        out     dx, al ; Features Previous Reserved
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        out     dx, al ; Features Current Reserved
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        inc     edx
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        out     dx, al ; Sector Count Previous Sector count (15:8)
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        inc     eax
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        out     dx, al ; Sector Count Current Sector count (7:0)
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        inc     edx
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        mov     eax, [esp+4]
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	rol	eax,8
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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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        inc     edx
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        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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	sub	edx,2
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        mov     eax, [esp+4]
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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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        out     dx, al ; LBA Mid Current LBA (15:8)
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        shr     eax, 8
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        inc     edx
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        out     dx, al ; LBA High Current LBA (23:16)
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        inc     edx
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        mov     al, byte [hdid]
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        add     al, 128+64+32
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        out     dx, al; номер головки/номер диска
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        inc     edx
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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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        sti
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.continue:
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        call    wait_for_sector_buffer
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        call    wait_for_sector_buffer
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 187 
 
138 
        cmp     [hd_error], 0
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        cmp     [hd_error], 0
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cache_write_pio:
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cache_write_pio:
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        cmp     dword[esi], 0x10000000
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        cmp     dword[esi], 0x10000000
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        jae     .bad
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        jae     .bad
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;    call  disable_ide_int
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;    call  disable_ide_int
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- 
 
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        ; Выбрать нужный диск
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        mov     edx, [hdbase]
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        add     edx, 6   ;адрес регистра головок
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        mov     al, byte [hdid]
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        add     al, 128+64+32
- 
 
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        out     dx, al; номер головки/номер диска
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248 
        call    wait_for_hd_idle
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        call    wait_for_hd_idle
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        cmp     [hd_error], 0
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        cmp     [hd_error], 0
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        jne     hd_write_error
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        jne     hd_write_error
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        popfd
 651 
        popfd
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        ret
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        ret
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 653 
 
597 
align 4
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align 4
- 
 
 655 
hd_read_dma:
- 
 
 656 
; hd_read_dma use old ATA with 28 bit for sector number
- 
 
 657 
        cmp     eax, 0x10000000
- 
 
 658 
        jb      @f
- 
 
 659 
        inc     [hd_error]
- 
 
 660 
        ret
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hd_read_dma:
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@@:
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        push    eax
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        push    eax
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        push    edx
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        push    edx
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        mov     edx, [dma_hdpos]
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        mov     edx, [dma_hdpos]
602 
        cmp     edx, [hdpos]
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        cmp     edx, [hdpos]
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        inc     [hd_error]
 880 
        inc     [hd_error]
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        ret
 881 
        ret
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 882 
 
820 
uglobal
 883 
uglobal
- 
 
 884 
IDEContrRegsBaseAddr    dw      ?
- 
 
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IDEContrProgrammingInterface   dw ?
- 
 
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IDE_BAR0_val	dw ?
- 
 
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IDE_BAR1_val	dw ?
- 
 
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IDE_BAR2_val	dw ?
821 
IDEContrRegsBaseAddr    dw      ?
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IDE_BAR3_val	dw ?
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endg
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endg
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; \end{Mario79}
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; \end{Mario79}
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