forked from KolibriOS/kolibrios
exFAT_SetFileInfo - set attributes of file/folder (F70.6)
git-svn-id: svn://kolibrios.org@9744 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov
parent
0e38558cb0
commit
5d12a6e4a5
@ -25,7 +25,7 @@ exFAT_user_functions:
|
||||
dd 0 ;exFAT_Write
|
||||
dd 0 ;exFAT_SetFileEnd
|
||||
dd exFAT_GetFileInfo
|
||||
dd 0 ;exFAT_SetFileInfo
|
||||
dd exFAT_SetFileInfo
|
||||
dd 0
|
||||
dd 0 ;exFAT_Delete
|
||||
dd 0 ;exFAT_CreateFolder
|
||||
@ -73,11 +73,16 @@ RDI_high dd ?
|
||||
current_hash dd ?
|
||||
hash_flag dd ?
|
||||
need_hash dd ?
|
||||
buffer_curr_sector dd ?
|
||||
buff_file_dirsect dd ?
|
||||
buff_file_dir_pos dd ?
|
||||
fname_extdir_offset dd ?
|
||||
volumeLabel rb 12
|
||||
; The next two areas (32+32) should be arranged sequentially.
|
||||
; The next nine areas (32*17) should be arranged sequentially.
|
||||
; Do not change their location!!!
|
||||
file_dir_entry rb 32 ; Entry Type 0x85
|
||||
str_ext_dir_entry rb 32 ; Entry Type 0xC0
|
||||
fname_ext_dir_entry rb 32*17 ; Entry Type 0xC1 * 17 Entries
|
||||
buffer rb 512
|
||||
ends
|
||||
|
||||
@ -368,6 +373,13 @@ exFAT_get_name:
|
||||
;--------------------------------------
|
||||
.file_directory_entry:
|
||||
; DEBUGF 1, "K : exFAT_get_name 0x85\n"
|
||||
mov eax, [ebp+exFAT.buffer_curr_sector]
|
||||
mov [ebp+exFAT.buff_file_dirsect], eax
|
||||
mov [ebp+exFAT.buff_file_dir_pos], edi
|
||||
|
||||
lea eax, [ebp+exFAT.fname_ext_dir_entry]
|
||||
mov [ebp+exFAT.fname_extdir_offset], eax
|
||||
|
||||
xor eax, eax
|
||||
mov [ebp+exFAT.hash_flag], eax ; dword 0
|
||||
mov al, byte [edi+1] ; Number of Secondary directory entries
|
||||
@ -434,8 +446,26 @@ exFAT_get_name:
|
||||
test eax, eax
|
||||
jnz .no
|
||||
; DEBUGF 1, "K : exFAT_get_name.longname hash match! \n"
|
||||
push edi esi
|
||||
; copy File Name Extension Directory Entry [0xC1] for calculate SetChecksum Field
|
||||
lea eax, [ebp+exFAT.fname_ext_dir_entry+32*17]
|
||||
cmp eax, [ebp+exFAT.fname_extdir_offset]
|
||||
je .no
|
||||
|
||||
push edi esi
|
||||
xchg esi, edi
|
||||
mov edi, [ebp+exFAT.fname_extdir_offset]
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
mov [ebp+exFAT.fname_extdir_offset], edi
|
||||
pop esi edi
|
||||
; copy name
|
||||
push edi esi
|
||||
xchg esi, edi
|
||||
add esi, 2
|
||||
|
||||
@ -566,6 +596,65 @@ exFAT_entry_to_bdfe2:
|
||||
; DEBUGF 1, "K : exFAT_entry_to_bdfe +520 ESI:%x\n", esi
|
||||
ret
|
||||
;------------------------------------------------------------------------------
|
||||
exFAT_bdfe_to_fat_entry:
|
||||
; convert BDFE at edx to FAT entry at edi
|
||||
; destroys eax
|
||||
; attributes byte
|
||||
; test byte [edi+11], 8 ; volume label?
|
||||
; jnz @f
|
||||
mov al, [edx]
|
||||
; movzx eax, al
|
||||
; DEBUGF 1, "K : bdfe file attributes: %x\n", eax
|
||||
and al, 0x27
|
||||
; and byte [edi+11], 0x10
|
||||
; or byte [edi+11], al
|
||||
and byte [edi+4], 0x10
|
||||
or byte [edi+4], al
|
||||
; movzx eax, byte [edi+4]
|
||||
; DEBUGF 1, "K : exFAT file attributes: %x\n", eax
|
||||
;@@:
|
||||
mov eax, [edx+8]
|
||||
; DEBUGF 1, "K : bdfe creation time: %x\n", eax
|
||||
call bdfe_to_fat_time
|
||||
; mov [edi+14], ax ; creation time
|
||||
mov [edi+8], ax ; creation time
|
||||
; DEBUGF 1, "K : exFAT creation time: %x\n", ax
|
||||
|
||||
mov eax, [edx+12]
|
||||
; DEBUGF 1, "K : bdfe creation date: %x\n", eax
|
||||
call bdfe_to_fat_date
|
||||
; mov [edi+16], ax ; creation date
|
||||
mov [edi+8+2], ax ; creation date
|
||||
; DEBUGF 1, "K : exFAT creation date: %x\n", ax
|
||||
|
||||
mov eax, [edx+16]
|
||||
; DEBUGF 1, "K : bdfe access time: %x\n", eax
|
||||
call bdfe_to_fat_time
|
||||
mov [edi+16], ax ; last access time
|
||||
; DEBUGF 1, "K : exFAT access time: %x\n", ax
|
||||
|
||||
mov eax, [edx+20]
|
||||
; DEBUGF 1, "K : bdfe access date: %x\n", eax
|
||||
call bdfe_to_fat_date
|
||||
; mov [edi+18], ax ; last access date
|
||||
mov [edi+16+2], ax ; last access date
|
||||
; DEBUGF 1, "K : exFAT access date: %x\n", ax
|
||||
|
||||
mov eax, [edx+24]
|
||||
; DEBUGF 1, "K : bdfe write time: %x\n", eax
|
||||
call bdfe_to_fat_time
|
||||
; mov [edi+22], ax ; last write time
|
||||
mov [edi+12], ax ; last write time
|
||||
; DEBUGF 1, "K : exFAT write time: %x\n", ax
|
||||
|
||||
mov eax, [edx+28]
|
||||
; DEBUGF 1, "K : bdfe write date: %x\n", eax
|
||||
call bdfe_to_fat_date
|
||||
; mov [edi+24], ax ; last write date
|
||||
mov [edi+12+2], ax ; last write date
|
||||
; DEBUGF 1, "K : exFAT write date: %x\n", ax
|
||||
ret
|
||||
;------------------------------------------------------------------------------
|
||||
exFAT_get_FAT:
|
||||
; DEBUGF 1, "K : exFAT_get_FAT \n"
|
||||
; in: eax = cluster
|
||||
@ -1823,6 +1912,161 @@ exFAT_GetFileInfo:
|
||||
loop @b
|
||||
ret
|
||||
;------------------------------------------------------------------------------
|
||||
exFAT_SetFileInfo:
|
||||
; DEBUGF 1, "K : exFAT_SetFileInfo \n"
|
||||
; DEBUGF 1, "K : exFAT F70 +00: %x\n", [ebx]
|
||||
; DEBUGF 1, "K : exFAT F70 +04: %x\n", [ebx+4]
|
||||
; DEBUGF 1, "K : exFAT F70 +08: %x\n", [ebx+8]
|
||||
; DEBUGF 1, "K : exFAT F70 +12: %x\n", [ebx+12]
|
||||
; DEBUGF 1, "K : exFAT F70 +16: %x\n", [ebx+16]
|
||||
; DEBUGF 1, "K : exFAT F70 +20: %x\n", [ebx+20]
|
||||
; DEBUGF 1, "K : exFAT Path: %s\n", esi
|
||||
call exFAT_lock
|
||||
xor eax, eax
|
||||
mov [ebp+exFAT.need_hash], eax ; dword 0
|
||||
mov [ebp+exFAT.hash_flag], eax ; dword 0
|
||||
call exFAT_hd_find_lfn
|
||||
jc @f
|
||||
|
||||
mov edi, [ebp+exFAT.buff_file_dir_pos]
|
||||
cmp eax, [ebp+exFAT.buff_file_dirsect]
|
||||
je .continue
|
||||
|
||||
mov eax, [ebp+exFAT.buff_file_dirsect]
|
||||
mov [ebp+exFAT.buffer_curr_sector], eax
|
||||
|
||||
push eax ebx
|
||||
lea ebx, [ebp+exFAT.buffer]
|
||||
call fs_read32_sys
|
||||
test eax, eax
|
||||
jz .continue_1 ; CF=0
|
||||
|
||||
pop ebx
|
||||
add esp, 4
|
||||
jmp @f
|
||||
|
||||
.continue_1:
|
||||
pop ebx eax
|
||||
|
||||
.continue:
|
||||
push eax
|
||||
mov edx, [ebx+16] ; pointer to buffer with attributes (32 bytes)
|
||||
call exFAT_bdfe_to_fat_entry
|
||||
pop eax
|
||||
; copy new File/Folder Directory Entry [0x85] for calculate SetChecksum field
|
||||
push esi edi
|
||||
xchg esi, edi
|
||||
lea edi, [ebp+exFAT.file_dir_entry]
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
movsd
|
||||
pop edi esi
|
||||
|
||||
push eax
|
||||
call calculate_SetChecksum_field
|
||||
mov [edi+2], ax
|
||||
pop eax
|
||||
|
||||
lea ebx, [ebp+exFAT.buffer]
|
||||
call fs_write32_sys
|
||||
call exFAT_update_disk
|
||||
xor eax, eax
|
||||
@@:
|
||||
push eax
|
||||
call exFAT_unlock
|
||||
pop eax
|
||||
ret
|
||||
;------------------------------------------------------------------------------
|
||||
calculate_SetChecksum_field:
|
||||
push ebx ecx edx esi edi
|
||||
lea esi, [ebp+exFAT.file_dir_entry]
|
||||
mov ecx, [ebp+exFAT.fname_extdir_offset]
|
||||
sub ecx, esi
|
||||
mov edx, esi
|
||||
mov edi, esi
|
||||
add edx, 2 ; (Index == 2)
|
||||
add edi, 3 ; (Index == 3)
|
||||
; exFAT_calculate_SetChecksum_field
|
||||
; in:
|
||||
; esi -> file_dir_entry
|
||||
; ecx -> NumberOfBytes
|
||||
; out: ax = Checksum
|
||||
xor eax, eax
|
||||
xor ebx, ebx
|
||||
;--------------------------------------
|
||||
align 4
|
||||
.start:
|
||||
; DEBUGF 1, "Checksum start EAX:%x ECX:%x\n", eax, ecx
|
||||
cmp esi, edx ; (Index == 2)
|
||||
je .continue
|
||||
cmp esi, edi ; (Index == 3)
|
||||
je .continue
|
||||
mov bx, ax
|
||||
; ((Checksum&1) ? 0x8000 : 0)
|
||||
and ax, 0x1
|
||||
jz .else
|
||||
|
||||
mov ax, 0x8000
|
||||
jmp @f
|
||||
;--------------------------------------
|
||||
.else:
|
||||
xor ax, ax
|
||||
;--------------------------------------
|
||||
@@:
|
||||
; DEBUGF 1, "(Checksum&1) EAX:%x\n", eax
|
||||
; (Hash>>1)
|
||||
shr bx, 1
|
||||
; DEBUGF 1, "(Checksum>>1) EBX:%x\n", ebx
|
||||
add ax, bx
|
||||
; DEBUGF 1, "+ (Checksum>>1) EAX:%x\n", eax
|
||||
movzx bx, byte [esi]
|
||||
add ax, bx
|
||||
; DEBUGF 1, "+ (UInt16)Entries[Index] EAX:%x\n", eax
|
||||
.continue:
|
||||
inc esi
|
||||
dec ecx
|
||||
jnz .start
|
||||
;--------------------------------------
|
||||
lea ebx, [ebp+exFAT.file_dir_entry+2]
|
||||
mov [ebx], ax
|
||||
pop edi esi edx ecx ebx
|
||||
ret
|
||||
;------------------------------------------------------------------------------
|
||||
exFAT_update_disk:
|
||||
cmp [ebp+exFAT.fat_change], 0
|
||||
jz .noChange
|
||||
; cmp [ebp+FAT.fs_type], 12
|
||||
; jz .fat12
|
||||
call exFAT_write_fat_sector
|
||||
.noChange:
|
||||
mov esi, [ebp+PARTITION.Disk]
|
||||
call disk_sync
|
||||
ret
|
||||
;------------------------------------------------------------------------------
|
||||
exFAT_write_fat_sector:
|
||||
push eax ebx ecx
|
||||
mov [ebp+exFAT.fat_change], 0
|
||||
mov eax, [ebp+exFAT.fat_in_cache]
|
||||
cmp eax, -1
|
||||
jz @f
|
||||
mov ebx, [ebp+exFAT.fat_cache_ptr]
|
||||
mov ecx, [ebp+exFAT.NUMBER_OF_FATS]
|
||||
.write_next_fat:
|
||||
push eax
|
||||
call fs_write32_sys
|
||||
pop eax
|
||||
add eax, [ebp+exFAT.SECTORS_PER_FAT]
|
||||
dec ecx
|
||||
jnz .write_next_fat
|
||||
@@:
|
||||
pop ecx ebx eax
|
||||
ret
|
||||
;------------------------------------------------------------------------------
|
||||
exFAT_notroot_next:
|
||||
; DEBUGF 1, "K : exFAT_notroot_next\n"
|
||||
push ecx
|
||||
@ -1920,6 +2164,7 @@ exFAT_notroot_first:
|
||||
lea edi, [ebp+exFAT.buffer]
|
||||
mov ebx, edi
|
||||
sub [ebp+exFAT.valid_data_length], 512
|
||||
mov [ebp+exFAT.buffer_curr_sector], eax
|
||||
call fs_read32_sys
|
||||
pop ebx
|
||||
test eax, eax
|
||||
|
||||
Loading…
Reference in New Issue
Block a user