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;;                                                                      ;;
 2 
;;                                                                      ;;
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;; System service for filesystem call                                   ;;
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;; System service for filesystem call                                   ;;
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;; (C) 2004 Ville Turjanmaa, License: GPL                               ;;
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;; (C) 2004 Ville Turjanmaa, License: GPL                               ;;
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;; 29.04.2006 Elimination of hangup after the                           ;;
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;; 29.04.2006 Elimination of hangup after the                           ;;
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;;            expiration hd_wait_timeout (for LBA) -  Mario79           ;;
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;;            expiration hd_wait_timeout (for LBA) -  Mario79           ;;
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;; xx.04.2006 LFN support - diamond                                     ;;
 - 
 
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;; 15.01.2005 get file size/attr/date, file_append (only for hd) - ATV  ;;
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;; 15.01.2005 get file size/attr/date, file_append (only for hd) - ATV  ;;
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;; 23.11.2004 test if hd/partition is set - ATV                         ;;
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;; 23.11.2004 test if hd/partition is set - ATV                         ;;
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;; 18.11.2004 get_disk_info and more error codes - ATV                  ;;
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;; 18.11.2004 get_disk_info and more error codes - ATV                  ;;
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;; 08.11.2004 expand_pathz and rename (only for hd) - ATV               ;;
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;; 08.11.2004 expand_pathz and rename (only for hd) - ATV               ;;
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;; 20.10.2004 Makedir/Removedir (only for hd) - ATV                     ;;
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;; 20.10.2004 Makedir/Removedir (only for hd) - ATV                     ;;
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 34 
 
36 
; IN:
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; IN:
37 
;
 36 
;
38 
; eax = 0  ; read file          /RamDisk/First  6
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; eax = 0  ; read file          /RamDisk/First  6
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; eax = 1  ; write file         /RamDisk/First 33   /HardDisk/First 56
 - 
 
40 
; eax = 4  ; makedir
 - 
 
41 
; eax = 5  ; rename file/directory
 38 
; eax = 1  ; write file         /RamDisk/First 33   /HardDisk/First 56
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; eax = 8  ; lba read
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; eax = 8  ; lba read
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; eax = 15 ; get_disk_info
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; eax = 15 ; get_disk_info
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;
 41 
;
45 
; OUT:
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; OUT:
Line 85... Line 82...
85 
    ; Extract parameters
 82 
    ; Extract parameters
86 
    add    eax, std_application_base_address    ; abs start of info block
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    add    eax, std_application_base_address    ; abs start of info block
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 84 
 
88 
    cmp   dword [eax+0],15      ; GET_DISK_INFO
 85 
    cmp   dword [eax+0],15      ; GET_DISK_INFO
89 
    je    fs_info
 - 
 
90 
    cmp   dword [eax+0],5       ; RENAME - dont care about read&write blocks
 - 
 
91 
    je    fs_read
 - 
 
92 
    cmp   dword [eax+0],4       ; MAKEDIR - dont care about read&write blocks
 - 
 
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    je    fs_read
 86 
    je    fs_info
94 
 
 87 
 
95 
    cmp   dword [0x3000],1      ; no memory checks for kernel requests
 88 
    cmp   dword [0x3000],1      ; no memory checks for kernel requests
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    jz    no_checks_for_kernel
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    jz    no_checks_for_kernel
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382 
     call  reserve_hd1
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     call  reserve_hd1
383 
     mov  [hdbase],0x170
 376 
     mov  [hdbase],0x170
384 
     mov  [hdid],0x10
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     mov  [hdid],0x10
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     mov  [hdpos],4
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     mov  [hdpos],4
386 
fs_yesharddisk_partition:
 379 
fs_yesharddisk_partition:
- 
 
 380 
        call    reserve_hd_channel
387 
;    call  choice_necessity_partition
381 
;    call  choice_necessity_partition
388 
;    jmp   fs_yesharddisk_all
382 
;    jmp   fs_yesharddisk_all
389 
    jmp   fs_for_new_semantic
 383 
    jmp   fs_for_new_semantic
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 384 
 
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    cmp   [hdpos],0             ; is hd base set?
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    cmp   [hdpos],0             ; is hd base set?
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    jz    hd_err_return
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    jz    hd_err_return
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    cmp   [fat32part],0         ; is partition set?
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    cmp   [fat32part],0         ; is partition set?
446 
    jnz   @f
 440 
    jnz   @f
447 
hd_err_return:
 441 
hd_err_return:
- 
 
 442 
    call  free_hd_channel
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    and   [hd1_status], 0
 443 
    and   [hd1_status], 0
449 
    jmp   file_system_return
 444 
    jmp   file_system_return
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@@:
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@@:
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 446 
 
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    call  file_read
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    call  file_read
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468 
 
 463 
 
469 
    mov   edi,[esp+0]
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    mov   edi,[esp+0]
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- 
 
 465 
    mov   byte [edi],'/'
- 
 
 466 
 
470 
    mov   byte [edi],'/'
 467 
    call  free_hd_channel
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471 
 
 468 
    and   [hd1_status], 0
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    mov   edi,[esp+0]
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    mov   edi,[esp+0]
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    mov   byte [edi],'/'
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    mov   byte [edi],'/'
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 490 
 
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- 
 
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    ; eax=0 ok - eax=1 not enough free space
- 
 
 492 
 
494 
    ; eax=0 ok - eax=1 not enough free space
 493 
    call  free_hd_channel
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 494 
    and   [hd1_status], 0
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    jmp   file_system_return
 - 
 
497 
 
 - 
 
498 
 
 - 
 
499 
  fs_noharddisk_write:
 - 
 
500 
 
 - 
 
501 
    cmp   dword [esp+20],4      ; MAKEDIR
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502 
    jne   fs_noharddisk_makedir
 - 
 
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 - 
 
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    mov   eax,[esp+0]           ; /dirname
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    mov   byte [eax],0          ; path to asciiz
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    inc   eax                   ; filename start
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    mov   edx,[esp+4]
 - 
 
508 
    add   edx,12*2              ; path start
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509 
 
 - 
 
510 
    call  makedir
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511 
 
 - 
 
512 
    mov   edi,[esp+0]
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    mov   byte [edi],'/'
 - 
 
514 
 
 - 
 
515 
    jmp   file_system_return
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516 
 
 - 
 
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  fs_noharddisk_makedir:
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518 
 
 - 
 
519 
    cmp   dword [esp+20],5      ; RENAME
 - 
 
520 
    jne   fs_noharddisk_rename
 - 
 
521 
 
 - 
 
522 
    mov   edi,[esp+0]           ; start of source file name
 - 
 
523 
    add   edi,12+1              ; continue after name
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524 
    call  expand_pathz          ; convert destination name
 - 
 
525 
 
 - 
 
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526 
    mov   eax,[edi+1]
 - 
 
527 
    cmp   eax,'HD  '
 - 
 
528 
    je    fs_rename_test1
 - 
 
529 
    cmp   eax,'HARD'
 - 
 
530 
    jne   fs_rename_error
 - 
 
531 
 
 - 
 
532 
  fs_rename_test1:
 - 
 
533 
    mov   eax,[edi+1+12]
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534 
    cmp   eax,'1   '
 - 
 
535 
    je    fs_rename_start
 - 
 
536 
    cmp   eax,'FIRS'
 - 
 
537 
    jne   fs_rename_error
 - 
 
538 
 
 - 
 
539 
  fs_rename_start:
 - 
 
540 
    mov   byte [ebx],0          ; path to asciiz
 - 
 
541 
    inc   ebx                   ; filename start
 - 
 
542 
    add   edi,12*2              ; path start
 - 
 
543 
    cmp   byte [ebx],0
 - 
 
544 
    je    fs_rename_error
 - 
 
545 
    cmp   byte [ebx],32
 - 
 
546 
    je    fs_rename_error
 - 
 
547 
 
 - 
 
548 
    mov   eax,[esp+0]           ; /filename
 495 
    jmp   file_system_return
549 
    mov   byte [eax],0          ; path to asciiz
 - 
 
550 
    inc   eax                   ; filename start
 - 
 
551 
    mov   edx,[esp+4]
 - 
 
552 
    add   edx,12*2              ; path start
 - 
 
553 
 
 - 
 
554 
    call  rename
 - 
 
555 
 
 - 
 
556 
    mov   edi,[esp+0]
 - 
 
557 
    mov   byte [edi],'/'
 496 
 
558 
 
 - 
 
559 
    jmp   file_system_return
 - 
 
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560 
 
 497 
 
561 
  fs_rename_error:
 498 
  fs_noharddisk_write:
562 
    mov   eax,4                 ; partition not defined at hd
 499 
 
563 
    jmp   file_system_return
 500