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Rev 3742 Rev 4273
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;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2011. 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: 3742 $
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$Revision: 4273 $
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ERROR_SUCCESS        = 0
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ERROR_SUCCESS        = 0
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ERROR_DISK_BASE      = 1
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ERROR_DISK_BASE      = 1
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; diamond, 2006
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; diamond, 2006
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iglobal
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iglobal
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; in this table names must be in lowercase
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; in this table names must be in lowercase
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rootdirs:
 - 
 
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        db      2,'rd'
 - 
 
34 
        dd      fs_OnRamdisk
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        dd      fs_NextRamdisk
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        db      7,'ramdisk'
 - 
 
37 
        dd      fs_OnRamdisk
 - 
 
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        dd      fs_NextRamdisk
 - 
 
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        db      2,'fd'
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        dd      fs_OnFloppy
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        dd      fs_NextFloppy
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        db      10,'floppydisk'
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        dd      fs_OnFloppy
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        dd      fs_NextFloppy
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rootdirs:
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;**********************************************
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;**********************************************
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        db      3,'cd0'
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        db      3,'cd0'
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        dd      fs_OnCd0
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        dd      fs_OnCd0
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        dd      fs_NextCd
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        dd      fs_NextCd
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;***********************************************
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;***********************************************
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        db      0
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        db      0
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 - 
 
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virtual_root_query:
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        dd      fs_HasRamdisk
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        db      'rd',0
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        dd      fs_HasFloppy
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        db      'fd',0
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virtual_root_query:
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;**********************************************
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;**********************************************
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        dd      fs_HasCd0
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        dd      fs_HasCd0
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        db      'cd0',0
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        db      'cd0',0
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;     esi -> relative (for device) name
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;     esi -> relative (for device) name
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;     ebx -> fileinfo
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;     ebx -> fileinfo
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;     ebp = 0 or pointer to rest of name from folder addressed by esi
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;     ebp = 0 or pointer to rest of name from folder addressed by esi
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; out: [image_of_eax]=image of eax, [image_of_ebx]=image of ebx
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; out: [image_of_eax]=image of eax, [image_of_ebx]=image of ebx
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fs_OnRamdisk:
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        cmp     ecx, 1
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        jnz     file_system_lfn.notfound
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442 
        mov     eax, [ebx]
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443 
        cmp     eax, fs_NumRamdiskServices
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        jae     .not_impl
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        mov     ecx, [ebx+12]
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446 
        mov     edx, [ebx+16]
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447 
   ;     add     edx, std_application_base_address
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        add     ebx, 4
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449 
        call    dword [fs_RamdiskServices + eax*4]
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        mov     [image_of_eax], eax
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451 
        mov     [image_of_ebx], ebx
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        ret
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.not_impl:
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        mov     dword [image_of_eax], 2       ; not implemented
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        ret
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456 
 
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457 
fs_NotImplemented:
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fs_NotImplemented:
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        mov     eax, 2
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        mov     eax, 2
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        ret
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460 
 
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461 
fs_RamdiskServices:
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        dd      fs_RamdiskRead
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        dd      fs_RamdiskReadFolder
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        dd      fs_RamdiskRewrite
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        dd      fs_RamdiskWrite
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        dd      fs_RamdiskSetFileEnd
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        dd      fs_RamdiskGetFileInfo
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        dd      fs_RamdiskSetFileInfo
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        dd      0
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        dd      fs_RamdiskDelete
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        dd      fs_RamdiskCreateFolder
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fs_NumRamdiskServices = ($ - fs_RamdiskServices)/4
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fs_OnFloppy:
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        cmp     ecx, 2
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        ja      file_system_lfn.notfound
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        mov     eax, [ebx]
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        cmp     eax, fs_NumFloppyServices
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        jae     fs_OnRamdisk.not_impl
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        call    reserve_flp
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        mov     [flp_number], cl
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        mov     ecx, [ebx+12]
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        mov     edx, [ebx+16]
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   ;     add     edx, std_application_base_address
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        add     ebx, 4
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        call    dword [fs_FloppyServices + eax*4]
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        and     [flp_status], 0
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        mov     [image_of_eax], eax
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        mov     [image_of_ebx], ebx
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        ret
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fs_FloppyServices:
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        dd      fs_FloppyRead
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        dd      fs_FloppyReadFolder
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        dd      fs_FloppyRewrite
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        dd      fs_FloppyWrite
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        dd      fs_FloppySetFileEnd
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        dd      fs_FloppyGetFileInfo
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        dd      fs_FloppySetFileInfo
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        dd      0
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        dd      fs_FloppyDelete
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        dd      fs_FloppyCreateFolder
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fs_NumFloppyServices = ($ - fs_FloppyServices)/4
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        ret
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;*******************************************************
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;*******************************************************
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fs_OnCd0:
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fs_OnCd0:
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        call    reserve_cd
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        call    reserve_cd
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        dd      fs_NotImplemented
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        dd      fs_NotImplemented
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        dd      fs_NotImplemented
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        dd      fs_NotImplemented
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fs_NumCdServices = ($ - fs_CdServices)/4
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fs_NumCdServices = ($ - fs_CdServices)/4
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 507 
 
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;*******************************************************
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 - 
 
588 
fs_HasRamdisk:
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589 
        mov     al, 1   ; we always have ramdisk
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        ret
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fs_HasFloppy:
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        cmp     byte [DRIVE_DATA], 0
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        setnz   al
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594 
        ret
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;*******************************************************
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;*******************************************************
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fs_HasCd0:
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fs_HasCd0:
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        test    byte [DRIVE_DATA+1], 10000000b
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        test    byte [DRIVE_DATA+1], 10000000b
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        setnz   al
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        setnz   al
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        ret
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        ret
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; fs_NextXXX functions:
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; fs_NextXXX functions:
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; in: eax = partition number, from which start to scan
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; in: eax = partition number, from which start to scan
617 
; out: CF=1 => no more partitions
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; out: CF=1 => no more partitions
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;      CF=0 => eax=next partition number
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;      CF=0 => eax=next partition number
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620 
fs_NextRamdisk:
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; we always have /rd/1
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622 
        test    eax, eax
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623 
        stc
 - 
 
624 
        jnz     @f
 - 
 
625 
        mov     al, 1
 - 
 
626 
        clc
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627 
@@:
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628 
        ret
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630 
fs_NextFloppy:
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; we have /fd/1 iff (([DRIVE_DATA] and 0xF0) != 0) and /fd/2 iff (([DRIVE_DATA] and 0x0F) != 0)
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        test    byte [DRIVE_DATA], 0xF0
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633 
        jz      .no1
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634 
        test    eax, eax
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635 
        jnz     .no1
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        inc     eax
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        ret     ; CF cleared
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.no1:
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        test    byte [DRIVE_DATA], 0x0F
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        jz      .no2
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        cmp     al, 2
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        jae     .no2
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643 
        mov     al, 2
 - 
 
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        clc
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645 
        ret
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646 
.no2:
 - 
 
647 
        stc
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        ret
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650 
;*******************************************************
 532 
;*******************************************************
651 
fs_NextCd:
 533 
fs_NextCd:
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; we always have /cdX/1
 534 
; we always have /cdX/1
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        test    eax, eax
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        test    eax, eax