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Rev 837 Rev 848
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;;  20.5.2002  Hd status check - VT                                ;;
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;;  20.5.2002  Hd status check - VT                                ;;
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;;  29.6.2002  Improved fat32 verification - VT                    ;;
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;;  29.6.2002  Improved fat32 verification - VT                    ;;
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;;                                                                 ;;
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;;                                                                 ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 709 $
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$Revision: 848 $
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  fat_change           db 0       ; 1=fat has changed
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  fat_change           db 0       ; 1=fat has changed
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endg
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endg
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reserve_hd1:
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reserve_hd1:
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- 
 
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    pushfd
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    cli
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    cli
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    cmp   [hd1_status],0
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    cmp   [hd1_status],0                          ;FIXME  use mutex
- 
 
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    je    reserve_ok1
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    je    reserve_ok1
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    popfd
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    sti
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    mov   eax,[CURRENT_TASK]
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    mov   eax,[CURRENT_TASK]
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    shl   eax,5
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    shl   eax,5
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    mov   eax,[eax+CURRENT_TASK+TASKDATA.pid]
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    mov   eax,[eax+CURRENT_TASK+TASKDATA.pid]
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    mov   [hd1_status],eax
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    mov   [hd1_status],eax
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    pop   eax
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    pop   eax
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    sti
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    popfd
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    ret
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    ret
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;********************************************
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;********************************************
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uglobal
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uglobal
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        cmp     [hdpos], 0x80
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        cmp     [hdpos], 0x80
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        jae     .ret
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        jae     .ret
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    cmp   [hdbase], 0x1F0
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    cmp   [hdbase], 0x1F0
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    jne   .IDE_Channel_2
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    jne   .IDE_Channel_2
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.IDE_Channel_1:
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.IDE_Channel_1:
- 
 
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    pushfd
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    cli
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    cli
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    cmp   [IDE_Channel_1],0
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    cmp   [IDE_Channel_1],0
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    je    .reserve_ok_1
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    je    .reserve_ok_1
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    sti
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    popfd
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    call  change_task
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    call  change_task
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    jmp   .IDE_Channel_1
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    jmp   .IDE_Channel_1
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.IDE_Channel_2:
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.IDE_Channel_2:
- 
 
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    pushfd
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    cli
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    cli
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    cmp   [IDE_Channel_2],0
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    cmp   [IDE_Channel_2],0
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    je    .reserve_ok_2
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    je    .reserve_ok_2
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    sti
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    popfd
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    call  change_task
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    call  change_task
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    jmp   .IDE_Channel_2
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    jmp   .IDE_Channel_2
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.reserve_ok_1:
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.reserve_ok_1:
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        mov     [IDE_Channel_1], 1
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        mov     [IDE_Channel_1], 1
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        popfd
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        push    eax
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        push    eax
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        mov     al, 1
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        mov     al, 1
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        jmp     @f
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        jmp     @f
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.reserve_ok_2:
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.reserve_ok_2:
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        mov     [IDE_Channel_2], 1
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        mov     [IDE_Channel_2], 1
- 
 
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        popfd
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        push    eax
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        push    eax
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        mov     al, 3
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        mov     al, 3
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@@:
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@@:
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        cmp     [hdid], 1
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        cmp     [hdid], 1
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        sbb     al, -1
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        sbb     al, -1