WebSVN – Kolibri OS – Diff – /kernel/trunk/sec_loader/trunk/parse_def_sect.inc

 ;îðèãèíàëüíîå ðåøåíèå - ðàçìåñòèì dd ïåðåä ñòðî÷êîé è ïîñëå ñòðî÷êè ðàçìåñòèì byte =0
 ;ýòî âûãëÿäèò òàê: â ini ôàéëå ñóùåñòâóåò ñòðî÷êà RamdiskFile = @menu,@menu
 ;ìû åå ìîäèôèöèðóåì äî òàêîãî ñîñòîÿíèÿ       dw,dw,db'@menu',0 êîíå÷íî ñîõðàíèâ òå çíà÷åíèÿ êîòîðûå ìû çàìåíÿåì
 ;ñîõðàíèëè ïåâûå 2 word
-;//ïðîâåðêà íàëè÷èÿ òàêîãî æå èìåíè â ðóò äèð
+;
 @@:     mov     al,byte [es:di]
         cmp     al,','          ; ò.å. èùåì ðàçäåëèòåëü
         jz      .found_end_str
         inc     di
         mov     word [es:di-4],ax
         mov     word [es:di-2],16       ;êîë-âî áëîêîâ ïî 4 êá =64 êá ò.å. áîëüøå íå ÷èòàåì
+        mov     di,point_to_dest_file_name
+if DEBUG
+        pushad
+;	mov	ax,di
+        mov     cx,0x0a
+        mov     di,name_of_seg_get_64
+        mov     dword[ds:di],'    '
+        mov     word[ds:di+4],'  '
+        call    decode
+;Show size
+        mov     si,name_of_seg_get_64
+        call    printplain
+        popad
-        mov     di,point_to_dest_file_name
+end if
         push    word [es:di]
         push    cx
         xor     ax,ax
         pop     word  [es:di-2]
         pop     dword [es:di-6]
 if DEBUG
-        pusha
+        pushad
         mov     cx,0x0a
         mov     di,RamdiskFile_msg
         mov     dword[ds:di],'    '
         call    decode
 ;Show size
         mov     si,RamdiskFile_msg
         call    printplain
 ;es:si point to descripts
 }
-macro use_BPB_RAM
+macro use_BPB_RAM ;çàêèíóòü ñàìûå ïåðâûå 512 áàéò çà 1-é ìá
-;äàííûé ìàêðîñ çàêèäûâàåò BPB ñòðóêòóðó, ïîêà òîëüêî ôàò12 çà 1 ìá
+;äàííûé ìàêðîñ çàêèäûâàåò BPB ñòðóêòóðó ò.å. ïåðâûå 512 áàéò, ïîêà òîëüêî ôàò12 çà 1 ìá
+{
         mov     ax,fat12_buffer
         mov     si,table_15_87
         add     word [si+8*2+2],ax
         push    es
         push    ds
         pop     es
-        mov     cx,31   ;ôàò12 óêëàäûâàåòñÿ â 62 áàéòà 62/2=31
+        mov     cx,256   ;áóò ñåêòîð  óêëàäûâàåòñÿ â 512 áàéò 512/2=256
         mov     ah, 0x87
         int     0x15
         push    ds
+        mov     di,info_real_mode_size
+        add     di,0x1000
+if DEBUG
+        pushad
+        mov     ax,info_real_mode_size
+        add     ax,0x1000
+;	mov	ax,ds
+	mov	cx,0xa
+        mov     di,first_entry_in_fat
+        mov     dword [di],'    '
+        mov     word  [di+4],'  '
+        call    decode
+;Show size
+        mov     si,first_entry_in_fat
+        call    printplain
+        xor     ax,ax
+        int     0x16
+        popad
+end if
         mov     di,info_real_mode_size
         add     di,0x1000
         push    di   ;  push    word info_real_mode_size+0x1000   ;cëåäóþùèé ñåãìåíò çà çàãðóæåííûì ó÷àñòêîì
         xor     di,di
-        mov     point_to_free_root,di   ;çíà÷åíèå ñìåùåíèÿ =0 â êîðíåâîé ôàò òàáëèöå îïèñàíèÿ
+        xor     di,di
         mov     point_to_free_root,di   ;çíà÷åíèå ñìåùåíèÿ =0 â êîðíåâîé ôàò òàáëèöå îïèñàíèÿ
         pop     ds   ; çàãðóæåí ñëåäóþùèé ñåãìåíò ò.å. ïóñòîé ñåãìåíò
-        mov     byte [di],al
         or      ax,-1
-        inc     di
+        mov     byte [di],al
-        mov     word [di],ax
+        or      ax,-1
         inc     di
         sub     di,size_root_dir
 ;òåïåðü â ax ðàçìåð â ñåêòîðàõ íà÷àëà ðóò äèð
         shl     di,9 ;imul 512
         add     di,point_to_free_root   ;ñìåùåíèå â óæå çàïèñàííûõ 32-õ ñòðóêòóðàõ.
 ;íåîáõîäèìî âíåñòè çíà÷åíèå â ðóò äèð ò.å. 32 áàéòà
+if DEBUG
+        pushad
+;       mov     ax,point_default
+;        mov     ax,
+        mov     cx,0x0a
+        mov     di,show_db2
+        mov     dword[ds:di],'    '
+       mov     word [ds:di+4],'  '
+        call    decode
+;Show size
+        mov     si,show_db2
+        call    printplain
+;
+;       xor     ax,ax
+;       int     0x16
+        popad
+end if
 ;gs:di - óêàçàòåëü äëÿ âíåñåíèÿ èíôîðàöèè â ðóò îáëàñòü ôàò òàáëèöû èíîðìàöèè î ôàéëå.
         mov     si,shot_name_fat
         mov     cx,11
 ;çàïèøåì â ñòðóêòóðó èìÿ
 @@:     lodsb
         sub     di,size_root_dir
 ;òåïåðü â ax ðàçìåð â ñåêòîðàõ íà÷àëà ðóò äèð
         shl     di,9 ;imul 512
         add     di,point_to_free_root   ;ñìåùåíèå â óæå çàïèñàííûõ 32-õ ñòðóêòóðàõ.
+	push	di
         mov     si,dest_name_fat
+        mov     cx,11
         mov     cx,11
 ;çàïèøåì â ñòðóêòóðó èìÿ
 @@:     mov     al,byte [es:di]
         inc     di
         mov     byte [ds:si],al
         inc     si
         loop    @b
+        mov	di,si
+	inc 	di
+	pop	ax
+	mov	cx,0xa
-        xor     ax,ax
+	call	decode
         mov     byte [si],al
         mov     si,dest_name_fat
         call    printplain
 ;di - óêàçàòåëü íà èìÿ ôàéëà ò.å. es:di óêàçûâàåò íà èìÿ ôàéëà íàçíà÷åíèÿ
 ;âûõîäíûå äàííûå eax =-1 èìÿ ñîâïàëî, eax=0 èìÿ íå ñîâïàëî.
+{
 local   .no_equal
 local   .exit
+local 	.loop_size_root_dir
 ;âû÷èñëèì äëèííó ñòðî÷êè èìåíè íàçíà÷åíèÿ, êîòîðóþ áóäåì ñðàâíèâàòü ñ óæå çàïèñàííûìè äàííûìè.
 ;ïðåîáðàçóåì â àíàëîã ôàò çàïèñè ñòî÷êó ñ èìåíåì íàçíà÷åíèÿ
-        convertion_file_name
+        convertion_file_name	; ïðåîáðàçîâàëè èìÿ ïî íóæíûì ïðàâèëàì
         test    ax,ax
         jnz     .exit
         mov     si,shot_name_fat
 ;âû÷èñëèì óêàçàòåëü íà êîðíåâóþ äèðåêòîðèþ
         mov     di,firstDataSect
-        sub     di,size_root_dir
-;òåïåðü â ax ðàçìåð â ñåêòîðàõ íà÷àëà ðóò äèð
         sub     di,size_root_dir
-        shl     di,9 ;imul 512
+;òåïåðü â ax ðàçìåð â ñåêòîðàõ íà÷àëà ðóò äèð
         shl     di,9 ;imul 512
-;di= Ýòî ñìåùåíèå îò íà÷àëà áóôåðà äî ðóò äèðåêòîðèè.
+;di= Ýòî ñìåùåíèå îò íà÷àëà áóôåðà äî ðóò äèðåêòîðèè. â ïðåäåëàõ 64 êá.
 ;çàãðóçèì çíà÷åíèå - ò.å. êîë-âî ýëåìåíòîâ, êîòîðûå ìû ìîæåì ïðîñìàòðèâàòü.
         mov     dx,root_dir_entry_count
-;        mov     si,point_to_dest_file_name
+        mov     si,point_to_dest_file_name
-        mov     ax,info_real_mode_size
-        add     ax,0x1000
+        mov     ax,info_real_mode_size
-        mov     gs,ax
-        mov     cx,11   ;size of name in struct FAT
+        add     ax,0x1000
+        mov     gs,ax
+.loop_size_root_dir:
+if DEBUG
+;        pushad
+;	push	di
+;        mov	eax,dword[gs:di]
+;        mov	si,(check_root_fat_+14)
+;        mov     dword [ds:si],'____'
+;	mov     dword [ds:si+4],'____'
+;        mov	dword[ds:si],eax
+;        mov	eax,dword[gs:di+4]
+;        mov	dword[ds:si+4],eax
+;
+;
+;	xor	eax,eax
+;        mov     ax,gs;point_next_fat_str
+;        mov     cx,0x0a
+;        mov     di,check_root_fat_
+;        mov     dword [di],'    '
+;        mov     word  [di+4],'  '
+;        call    decode
+;	xor	eax,eax
+;	pop	ax
+;	mov	di,(check_root_fat_+7)
-@@:
+;        mov     dword [di],'    '
-        mov     al,byte [ds:si+bx]
-        mov     ah,byte [gs:di+bx]      ;gs:di - point to name in fat struct
-if DEBUG
+;        mov     word  [di+4],'  '
-        pushad
+;        call    decode
-        mov     cx,11
-;input cx=size al=char áóäåò âûâåäåí ñèìâîë ñêîëüêî ðàç óêàçàíî â cx
+;Show size
+;        mov     si,check_root_fat_
-@@:
-        mov     al,byte [gs:di]
+;        call    printplain
+;	xor	ax,ax
-        inc     di
+;	int	0x16
-        call    putchar
+;        popad
-        loop    @b
+end if
-        xor     ax,ax
+	xor	bx,bx
-        int     0x16
+        mov     cx,11   ;size of name in struct FAT
 @@:
         mov     al,byte [es:si+bx]
-        popad
+        mov     ah,byte [gs:di+bx]      ;gs:di - point to name in fat struct
-end if
+        inc     bx
         inc     bx
-        cmp     ah,al
-        jnz     .no_equal
+        cmp     ah,al
         jnz     .no_equal
-;       dec     cx
-;       jnz     @b
+;       dec     cx
-        loop    @b
+;       jnz     @b
-;.succesfuly:
+        loop    @b
 ;ïå÷àëüíî, òàêîå èìÿ óæå èìååòñÿ :(
-        or      ax,-1
+;.succesfuly:
-        jmp     .exit
-.no_equal:
-        mov     cx,11;save_cx_check_name
-        xor     bx,bx
-        add     di,32           ;fat struct =32 byte
+;ïå÷àëüíî, òàêîå èìÿ óæå èìååòñÿ :(
-        dec     dx
+        or      ax,-1
+        jmp     .exit
-        jnz     @b
+.no_equal:
+        add     di,32           ;fat struct =32 byte
-;.exit_check_name:
+        dec     dx
-        and     ax,0
+        jnz     .loop_size_root_dir
 .error: or      ax,-1
 @@:
-if DEBUG
-        pusha
+if DEBUG
-;       mov     ax,point_next_fat_str
+        pushad
-        mov     cx,0x0a
-        mov     di,convertion_file_name_msg
+        mov     si,convertion_file_name_msg_y
-        call    decode
+	test	ax,ax
-;Show size
+	jz	@f
-        mov     si,convertion_file_name_msg
+        mov     si,convertion_file_name_msg_n
-        call    printplain
+@@:     call    printplain
         mov     si,shot_name_fat
         mov     byte [si+12],0
         call    printplain
-        popa
+        popad
         imul    eax,ebx
 ;       shl     eax,9   ;óìíîæèì íà 512
+if DEBUG
-if DEBUG
+        pushad
-        pusha
+	xor	eax,eax
-;       mov     eax,ebx;point_next_fat_str
+        mov     ax,info_real_mode_size
+        mov     cx,0x0a
+        mov     di,seg_where_get_data
-        mov     cx,0x0a
+        mov     dword [di],'    '
-        mov     di,show_db1
+        mov     word  [di+4],'  '
         call    decode
 ;Show size
-        mov     si,show_db1
+        mov     si,seg_where_get_data
         call    printplain
-        popa
+        popad

Subversion Repositories Kolibri OS

(root)/kernel/trunk/sec_loader/trunk/parse_def_sect.inc – Rev 1151 → 1156