Changeset 442 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS


Ignore:
Timestamp:
Aug 21, 2012, 5:17:11 PM (12 years ago)
Author:
aitotat@…
google:author:
aitotat@gmail.com
Message:

Changes to XTIDE Universal BIOS:

  • ATA ID validation now compares heads to correct maximum number of heads.
  • Added XTCF 8-bit mode transfer functions.
Location:
trunk/XTIDE_Universal_BIOS
Files:
4 edited

Legend:

Unmodified
Added
Removed

  • trunk/XTIDE_Universal_BIOS/Inc/IDE_8bit.inc

    r376 r442  
    2323
    2424;--------------------------------------------------------------------
     25; UNROLL_SECTORS_IN_CX_TO_DWORDS
    2526; UNROLL_SECTORS_IN_CX_TO_QWORDS
    2627;   Parameters:
    2728;       CX:     Number of sectors in block
    2829;   Returns:
    29 ;       CX:     Number of QWORDs in block
     30;       CX:     Number of DWORDs or QWORDs in block
    3031;   Corrupts registers:
    3132;       Nothing
    3233;--------------------------------------------------------------------
     34%macro UNROLL_SECTORS_IN_CX_TO_DWORDS 0
     35%ifdef USE_186
     36    shl     cx, 7
     37%else
     38    xchg    cl, ch      ; Sectors to WORDs (SHL CX, 8)
     39    shr     cx, 1
     40%endif
     41%endmacro
     42
    3343%macro UNROLL_SECTORS_IN_CX_TO_QWORDS 0
    3444%ifdef USE_186
    3545    shl     cx, 6
    3646%else
    37     xchg    cl, ch      ; Sectors to WORDs (SHL CX, 8)
    38     shr     cx, 1
     47    UNROLL_SECTORS_IN_CX_TO_DWORDS
    3948    shr     cx, 1
    4049%endif

  • trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeCommand.asm

    r439 r442  
    7575
    7676    ; Wait until drive motors have reached max speed
    77     cmp     bp, BYTE ROMVARS.ideVars0
     77    cmp     bp, BYTE ROMVARS.ideVars0       ; First controller?
    7878    jne     SHORT .SkipLongWaitSinceDriveIsNotPrimaryMaster
    79     test    bh, FLG_DRVNHEAD_DRV
     79    test    bh, FLG_DRVNHEAD_DRV            ; Wait already done for Master
    8080    jnz     SHORT .SkipLongWaitSinceDriveIsNotPrimaryMaster
    8181    call    AHDh_WaitUnilDriveMotorHasReachedFullSpeed

  • trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeTransfer.asm

    r421 r442  
    273273%endif
    274274
     275;--------------------------------------------------------------------
     276ALIGN JUMP_ALIGN
     277ReadBlockFromXTCF:
     278    UNROLL_SECTORS_IN_CX_TO_DWORDS
     279ALIGN JUMP_ALIGN
     280.ReadNextDword:
     281    in      al, dx      ; Read 1st BYTE
     282    stosb               ; Store 1st BYTE to [ES:DI]
     283    in      al, dx
     284    stosb
     285
     286    in      al, dx
     287    stosb
     288    in      al, dx
     289    stosb
     290    loop    .ReadNextDword
     291    ret
     292
    275293%endif  ; MODULE_8BIT_IDE
    276294
    … …  
    352370;--------------------------------------------------------------------
    353371ALIGN JUMP_ALIGN
    354 WriteBlockToFastXtide:
    355     UNROLL_SECTORS_IN_CX_TO_QWORDS
     372WriteBlockToXTCF:
     373    UNROLL_SECTORS_IN_CX_TO_DWORDS
    356374    push    ds
    357375    push    es
    358376    pop     ds
    359     or      dl, (1<<4)  ; Writes need A4 set
    360 ALIGN JUMP_ALIGN
    361 .ReadNextQword:
    362     lodsw               ; Load 1st WORD from [DS:SI]
    363     out     dx, ax      ; Write 1st WORD
    364     lodsw
    365     out     dx, ax      ; 2nd
    366     lodsw
    367     out     dx, ax      ; 3rd
    368     lodsw
    369     out     dx, ax      ; 4th
    370     loop    .ReadNextQword
     377ALIGN JUMP_ALIGN
     378.WriteNextDword:
     379    lodsb               ; Load 1st BYTE from [DS:SI]
     380    out     dx, al      ; Write 1st BYTE
     381    lodsb
     382    out     dx, al
     383
     384    lodsb
     385    out     dx, al
     386    lodsb
     387    out     dx, al
     388    loop    .WriteNextDword
    371389    pop     ds
    372390    ret
    … …  
    404422%ifdef MODULE_8BIT_IDE
    405423        dw      0                           ; 0, DEVICE_8BIT_JRIDE_ISA
     424        dw      ReadBlockFromXTCF           ; 1, DEVICE_8BIT_XTCF
    406425    %ifdef USE_186
    407         dw      ReadBlockFrom16bitDataPort  ; 1, DEVICE_FAST_XTIDE
    408426        dw      ReadBlockFrom16bitDataPort  ; 2, DEVICE_8BIT_XTIDE_REV2
    409427    %else
    410         dw      ReadBlockFromXtideRev2      ; 1, DEVICE_FAST_XTIDE
    411428        dw      ReadBlockFromXtideRev2      ; 2, DEVICE_8BIT_XTIDE_REV2
    412429    %endif
    … …  
    425442%ifdef MODULE_8BIT_IDE
    426443        dw      0                           ; 0, DEVICE_8BIT_JRIDE_ISA
    427         dw      WriteBlockToFastXtide       ; 1, DEVICE_FAST_XTIDE
     444        dw      WriteBlockToXTCF            ; 1, DEVICE_8BIT_XTCF
    428445        dw      WriteBlockToXtideRev2       ; 2, DEVICE_XTIDE_REV2
    429446        dw      WriteBlockToXtideRev1       ; 3, DEVICE_XTIDE_REV1

  • trunk/XTIDE_Universal_BIOS/Src/Initialization/AtaID.asm

    r441 r442  
    4545
    4646    add     bx, BYTE ATA1.wHeadCnt - ATA1.wCylCnt
    47     mov     cl, MAX_VALID_PCHS_HEADS
     47    mov     cx, MAX_VALID_PCHS_HEADS
    4848    call    .CompareCHorSfromOffsetBXtoMaxValueInCX
    4949
    … …  
    9696    jbe     SHORT .ValidPCHorSinOffsetBX
    9797.InvalidPCHorSinOffsetBX:
    98     add     sp, 2           ; Clear return address for this function
     98    add     sp, BYTE 2      ; Clear return address for this function
    9999.FailedToVerifyAtaID:
    100100    stc                     ; Set carry to indicate invalid ATA-ID
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