WebSVN – Kolibri OS – Diff – /kernel/trunk/fs/fat32.inc



;;  23.06.2006 LFN start application - diamond                     ;;
;;  15.06.2006 LFN get/set file/folder info - diamond              ;;
;;  27.05.2006 LFN create/rewrite file - diamond                   ;;
;;  04.05.2006 LFN read folder - diamond                           ;;
;;  29.04.2006 Elimination of hangup after the                     ;;
;;             expiration hd_wait_timeout -  Mario79               ;;
;;  23.04.2006 LFN read file - diamond                             ;;
;;  28.01.2006 find all Fat16/32 partition in all input point      ;;
;;             to MBR, see file part_set.inc - Mario79             ;;
;;  15.01.2005 get file size/attr/date, file_append - ATV          ;;
;;  04.12.2004 skip volume label, file delete bug fixed - ATV      ;;

    jmp   reserve_hd1

 

  reserve_ok1:
 
    push  eax
    mov   eax,[CURRENT_TASK]
    shl   eax,5
    mov   eax,[eax+CURRENT_TASK+TASKDATA.pid]
    mov   [hd1_status],eax
    pop   eax
    sti

    ret
.IDE_Channel_2:
    mov [IDE_Channel_2],0
    ret
;********************************************
problem_partition db 0  ; used for partitions search

 

include  'part_set.inc'
 

  sfc_no_change:
    mov   [fat_in_cache],eax    ; save fat sector
    call  hd_read
    cmp  [hd_error],0
    jne  sfc_error
 

 
  sfc_in_cache:
    cmp   [fs_type],16

    jmp   gdcl2

 
  gdcl1:
    call  hd_read
    cmp  [hd_error],0

    jne  gdc_error
 

    add   ebx,512               ; update pointer

    jz    delete_name_end       ; no

 
    mov   ebx,buffer
    call  hd_read               ; read previous sector
    cmp  [hd_error],0

    jne  delete_name_end

 
    mov   ebx,buffer+0x1e0      ; start from last entry

    mov   [hd1_status],0
    xor   eax,eax
    ret

 
  info_access_denied:
    add   esp,4
    xor   edx,edx
    xor   ebx,ebx
    xor   ecx,ecx
    mov   eax,ERROR_ACCESS_DENIED

    pop    edi
.noaccess_2:
    or    ebx, -1
    mov    eax, ERROR_ACCESS_DENIED
    ret
 
.noaccess_3:
    add esp,4
.noaccess_1:
    add esp,4
.noaccess_4:

; we may read directly to given buffer
    push    ebx
    mov    ebx, edx
    call    hd_read
    cmp  [hd_error],0
    jne  .noaccess_1
    pop    ebx
    add    edx, 512
    sub    ecx, 512
    jmp    .skip
.force_buf:

Rev 335	Rev 379
Line 14...	Line 14...
14	;; 23.06.2006 LFN start application - diamond ;;	14	;; 23.06.2006 LFN start application - diamond ;;
15	;; 15.06.2006 LFN get/set file/folder info - diamond ;;	15	;; 15.06.2006 LFN get/set file/folder info - diamond ;;
16	;; 27.05.2006 LFN create/rewrite file - diamond ;;	16	;; 27.05.2006 LFN create/rewrite file - diamond ;;
17	;; 04.05.2006 LFN read folder - diamond ;;	17	;; 04.05.2006 LFN read folder - diamond ;;
18	;; 29.04.2006 Elimination of hangup after the ;;	18	;; 29.04.2006 Elimination of hangup after the ;;
19	;; expiration hd_wait_timeout - Mario79 ;;	19	;; expiration hd_wait_timeout - Mario79 ;;
20	;; 23.04.2006 LFN read file - diamond ;;	20	;; 23.04.2006 LFN read file - diamond ;;
21	;; 28.01.2006 find all Fat16/32 partition in all input point ;;	21	;; 28.01.2006 find all Fat16/32 partition in all input point ;;
22	;; to MBR, see file part_set.inc - Mario79 ;;	22	;; to MBR, see file part_set.inc - Mario79 ;;
23	;; 15.01.2005 get file size/attr/date, file_append - ATV ;;	23	;; 15.01.2005 get file size/attr/date, file_append - ATV ;;
24	;; 04.12.2004 skip volume label, file delete bug fixed - ATV ;;	24	;; 04.12.2004 skip volume label, file delete bug fixed - ATV ;;
Line 122...	Line 122...
122	jmp reserve_hd1	122	jmp reserve_hd1
Line 123...	Line 123...
123		123
Line 124...	Line 124...
124	reserve_ok1:	124	reserve_ok1:
125		125
126	push eax	126	push eax
127	mov eax,[0x3000]	127	mov eax,[CURRENT_TASK]
128	shl eax,5	128	shl eax,5
129	mov eax,[eax+0x3000+TASKDATA.pid]	129	mov eax,[eax+CURRENT_TASK+TASKDATA.pid]
130	mov [hd1_status],eax	130	mov [hd1_status],eax
131	pop eax	131	pop eax
132	sti	132	sti
Line 182...	Line 182...
182	ret	182	ret
183	.IDE_Channel_2:	183	.IDE_Channel_2:
184	mov [IDE_Channel_2],0	184	mov [IDE_Channel_2],0
185	ret	185	ret
186	;********************************************	186	;********************************************
187	problem_partition db 0 ; used for partitions search	187	problem_partition db 0 ; used for partitions search
Line 188...	Line 188...
188		188
Line 189...	Line 189...
189	include 'part_set.inc'	189	include 'part_set.inc'
190		190
Line 223...	Line 223...
223	sfc_no_change:	223	sfc_no_change:
224	mov [fat_in_cache],eax ; save fat sector	224	mov [fat_in_cache],eax ; save fat sector
225	call hd_read	225	call hd_read
226	cmp [hd_error],0	226	cmp [hd_error],0
227	jne sfc_error	227	jne sfc_error
228		228
Line 229...	Line 229...
229		229
230	sfc_in_cache:	230	sfc_in_cache:
231	cmp [fs_type],16	231	cmp [fs_type],16
Line 630...	Line 630...
630	jmp gdcl2	630	jmp gdcl2
Line 631...	Line 631...
631		631
632	gdcl1:	632	gdcl1:
633	call hd_read	633	call hd_read
634	cmp [hd_error],0	634	cmp [hd_error],0
Line 635...	Line 635...
635	jne gdc_error	635	jne gdc_error
636		636
Line 637...	Line 637...
637	add ebx,512 ; update pointer	637	add ebx,512 ; update pointer
Line 1327...	Line 1327...
1327	jz delete_name_end ; no	1327	jz delete_name_end ; no
Line 1328...	Line 1328...
1328		1328
1329	mov ebx,buffer	1329	mov ebx,buffer
1330	call hd_read ; read previous sector	1330	call hd_read ; read previous sector
1331	cmp [hd_error],0	1331	cmp [hd_error],0
Line 1332...	Line 1332...
1332	jne delete_name_end	1332	jne delete_name_end
Line 1333...	Line 1333...
1333		1333
1334	mov ebx,buffer+0x1e0 ; start from last entry	1334	mov ebx,buffer+0x1e0 ; start from last entry
Line 1398...	Line 1398...
1398	mov [hd1_status],0	1398	mov [hd1_status],0
1399	xor eax,eax	1399	xor eax,eax
1400	ret	1400	ret
Line 1401...	Line 1401...
1401		1401
1402	info_access_denied:	1402	info_access_denied:
1403	add esp,4	1403	add esp,4
1404	xor edx,edx	1404	xor edx,edx
1405	xor ebx,ebx	1405	xor ebx,ebx
1406	xor ecx,ecx	1406	xor ecx,ecx
1407	mov eax,ERROR_ACCESS_DENIED	1407	mov eax,ERROR_ACCESS_DENIED
Line 1554...	Line 1554...
1554	pop edi	1554	pop edi
1555	.noaccess_2:	1555	.noaccess_2:
1556	or ebx, -1	1556	or ebx, -1
1557	mov eax, ERROR_ACCESS_DENIED	1557	mov eax, ERROR_ACCESS_DENIED
1558	ret	1558	ret
1559		1559
1560	.noaccess_3:	1560	.noaccess_3:
1561	add esp,4	1561	add esp,4
1562	.noaccess_1:	1562	.noaccess_1:
1563	add esp,4	1563	add esp,4
1564	.noaccess_4:	1564	.noaccess_4:
Line 1627...	Line 1627...
1627	; we may read directly to given buffer	1627	; we may read directly to given buffer
1628	push ebx	1628	push ebx
1629	mov ebx, edx	1629	mov ebx, edx
1630	call hd_read	1630	call hd_read
1631	cmp [hd_error],0	1631	cmp [hd_error],0
1632	jne .noaccess_1	1632	jne .noaccess_1
1633	pop ebx	1633	pop ebx
1634	add edx, 512	1634	add edx, 512
1635	sub ecx, 512	1635	sub ecx, 512
1636	jmp .skip	1636	jmp .skip
1637	.force_buf:	1637	.force_buf:

Subversion Repositories Kolibri OS

(root)/kernel/trunk/fs/fat32.inc – Rev 335 → 379