* New sysfunction 70.9, create folder

* Deleted obsolete 58.4 (create folder 8.3 on hd)
* Updated docs
* Bugfixes (file system; core; direct screen access), improvements (sysfn 70.3)
* KFar 0.21, full error handling, folder creation (with new kernel)

git-svn-id: svn://kolibrios.org@321 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/trunk/blkdev/hd_drv.inc

@@ -75,13 +75,11 @@ align 4
 hd_read_pio:
     push  eax edx
 
-    call  disable_ide_int
-
     call  wait_for_hd_idle
     cmp   [hd_error],0
     jne   hd_read_error    
 
-;    cli
+    cli
     xor   eax,eax
     mov   edx,[hdbase]
     inc   edx
@@ -107,14 +105,14 @@ hd_read_pio:
     inc   edx
     mov   al,20h
     out   dx,al   ; ATACommand ॣ¨áâà ª®¬ ­¤
-;    sti
+    sti
 
     call  wait_for_sector_buffer
 
     cmp   [hd_error],0
     jne   hd_read_error
 
-;    cli
+    cli
     push  edi
     shl   edi,9
     add   edi,0x600000+65536
@@ -123,9 +121,7 @@ hd_read_pio:
     cld
     rep   insw
     pop   edi
-;    sti
+    sti
-
-    call  enable_ide_int
 
     pop   edx eax
     ret
@@ -420,8 +416,8 @@ endg
 
 hd_timeout_error:
 
-    call  clear_hd_cache
+;    call  clear_hd_cache
-    call  clear_application_table_status
+;    call  clear_application_table_status
     mov   esi,hd_timeout_str
     call  sys_msg_board_str
 ;    jmp   $
@@ -431,8 +427,8 @@ hd_timeout_error:
 
 hd_read_error:
 
-    call  clear_hd_cache
+;    call  clear_hd_cache
-    call  clear_application_table_status
+;    call  clear_application_table_status
     mov   esi,hd_read_str
     call  sys_msg_board_str
     pop   edx eax
@@ -440,23 +436,23 @@ hd_read_error:
 
 hd_write_error:
 
-    call  clear_hd_cache
+;    call  clear_hd_cache
-    call  clear_application_table_status
+;    call  clear_application_table_status
     mov   esi,hd_write_str
     call  sys_msg_board_str
     ret
 
 hd_write_error_dma:
-        call    clear_hd_cache
+;        call    clear_hd_cache
-        call    clear_application_table_status
+;        call    clear_application_table_status
         mov     esi, hd_write_str
         call    sys_msg_board_str
         pop     esi
         ret
 
 hd_lba_error:
-    call  clear_hd_cache
+;    call  clear_hd_cache
-    call  clear_application_table_status
+;    call  clear_application_table_status
     mov   esi,hd_lba_str
     call  sys_msg_board_str
     jmp   LBA_read_ret

kernel/trunk/blkdev/rd.inc

@@ -1466,12 +1466,13 @@ fat_gen_short_name:
 
 ;----------------------------------------------------------------
 ;
-;  fs_RamdiskRewrite - LFN variant for writing sys floppy
+;  fs_RamdiskRewrite - LFN variant for writing ramdisk
+;  fs_RamdiskCreateFolder - create folder on ramdisk
 ;
-;  esi  points to filename
+;  esi  points to file/folder name
 ;  ebx  ignored (reserved)
-;  ecx  number of bytes to write, 0+
+;  ecx  number of bytes to write, 0+ (ignored for folders)
-;  edx  mem location to data
+;  edx  mem location to data (ignored for folders)
 ;
 ;  ret ebx = number of written bytes
 ;      eax = 0 ok read or other = errormsg
@@ -1482,7 +1483,13 @@ fat_gen_short_name:
         xor     ebx, ebx
         ret
 
+fs_RamdiskCreateFolder:
+        mov     al, 1           ; create folder
+        jmp     fs_RamdiskRewrite.common
+
 fs_RamdiskRewrite:
+        xor     eax, eax        ; create file
+.common:
         cmp     byte [esi], 0
         jz      @b
         pushad
@@ -1537,8 +1544,24 @@ fs_RamdiskRewrite:
 .common1:
         call    fat_find_lfn
         jc      .notfound
-; found; must not be directory
+; found
         test    byte [edi+11], 10h
+        jz      .exists_file
+; found directory; if we are creating directory, return OK,
+;                  if we are creating file, say "access denied"
+        add     esp, 20
+        popad
+        test    al, al
+        mov     eax, ERROR_ACCESS_DENIED
+        jz      @f
+        mov     al, 0
+@@:
+        xor     ebx, ebx
+        ret
+.exists_file:
+; found file; if we are creating directory, return "access denied",
+;             if we are creating file, delete existing file and continue
+        cmp     byte [esp+20+28], 0
         jz      @f
         add     esp, 20
         popad
@@ -1556,7 +1579,7 @@ fs_RamdiskRewrite:
 @@:
         cmp     eax, 0xFF8
         jae     .done1
-        lea     edi, [0x280000 + eax*2] ; position in FAT
+        lea     edi, [RAMDISK_FAT + eax*2] ; position in FAT
         xor     eax, eax
         xchg    ax, [edi]
         jmp     @b
@@ -1748,6 +1771,12 @@ fs_RamdiskRewrite:
         and     word [edi+20], 0        ; high word of cluster
         and     word [edi+26], 0        ; low word of cluster - to be filled
         and     dword [edi+28], 0       ; file size - to be filled
+        cmp     byte [esp+20+28], 0
+        jz      .doit
+; create directory
+        mov     byte [edi+11], 10h         ; attributes: folder
+        mov     ecx, 32*2
+        mov     edx, edi
 .doit:
         push    edx
         push    ecx
@@ -1756,7 +1785,7 @@ fs_RamdiskRewrite:
         push    edi
         jecxz   .done
         mov     ecx, 2849
-        mov     edi, 0x280000
+        mov     edi, RAMDISK_FAT
 .write_loop:
 ; allocate new cluster
         xor     eax, eax
@@ -1764,7 +1793,7 @@ fs_RamdiskRewrite:
         jnz     .disk_full2
         dec     edi
         dec     edi
-        lea     eax, [edi-0x280000]
+        lea     eax, [edi-(RAMDISK_FAT)]
         shr     eax, 1                  ; eax = cluster
         mov     word [edi], 0xFFF       ; mark as last cluster
         xchg    edi, [esp]
@@ -1773,8 +1802,11 @@ fs_RamdiskRewrite:
         push    edi
         inc     ecx
 ; write data
+        cmp     byte [esp+16+20+28], 0
+        jnz     .writedir
         shl     eax, 9
-        add     eax, 0x100000+31*512
+        add     eax, RAMDISK+31*512
+.writefile:
         mov     ebx, edx
         xchg    eax, ebx
         push    ecx
@@ -1809,6 +1841,34 @@ fs_RamdiskRewrite:
         push    ERROR_DISK_FULL
         pop     eax
         ret
+.writedir:
+        mov     edi, eax
+        shl     edi, 9
+        add     edi, RAMDISK+31*512
+        mov     esi, edx
+        mov     ecx, 32/4
+        push    ecx
+        rep     movsd
+        mov     dword [edi-32], '.   '
+        mov     dword [edi-32+4], '    '
+        mov     dword [edi-32+8], '    '
+        mov     byte [edi-32+11], 10h
+        mov     word [edi-32+26], ax
+        mov     esi, edx
+        pop     ecx
+        rep     movsd
+        mov     dword [edi-32], '..  '
+        mov     dword [edi-32+4], '    '
+        mov     dword [edi-32+8], '    '
+        mov     byte [edi-32+11], 10h
+        mov     eax, [esp+16+8]
+        mov     word [edi-32+26], ax
+        pop     edi edi ecx edx
+        add     esp, 20
+        popad
+        xor     eax, eax
+        xor     ebx, ebx
+        ret
 
 .read_symbol:
         or      ax, -1

kernel/trunk/blkdev/rdsave.inc

@@ -16,10 +16,12 @@ sysfn_saveramdisk:    ; 18.6 = SAVE FLOPPY IMAGE (HD version only)
      add edx,ecx
  img_save_hd_3:
      call    reserve_hd1
+     call    reserve_hd_channel
      call restorefatchain      ; restore FAT !!!
      mov  eax,image_save
      mov  ebx,1440*1024        ; size 1440 Kb
      mov  ecx,0x100000         ; address of image
      call file_write
+     call    free_hd_channel
      mov  [esp+36],eax
      ret

kernel/trunk/boot/bootcode.inc

@@ -91,7 +91,7 @@ app_data_l:
 
 graph_data_l:
 
-        dw     0x3ff
+        dw     0x7ff
         dw     0x0000
         db     0x00
         dw     11010000b *256 +11110010b

kernel/trunk/boot/rdload.inc

@@ -65,7 +65,6 @@
         jmp   yes_sys_on_hd
 
   search_and_read_image:
-;        mov   [0xfe10],dword 0    ; entries in hd cache
         call  set_FAT32_variables
         mov   edx, bootpath
         call  read_image

kernel/trunk/const.inc

@@ -175,7 +175,6 @@ X_UNDER             equ OS_BASE+0x000FB4A
 Y_UNDER             equ OS_BASE+0x000FB4C
 ScreenBPP           equ OS_BASE+0x000FBF1
 MOUSE_BUFF_COUNT    equ OS_BASE+0x000FCFF
-HD_CACHE_ENT        equ OS_BASE+0x000FE10
 LFBAddress          equ OS_BASE+0x000FE80
 MEM_AMOUNT          equ OS_BASE+0x000FE8C
 ;LFBSize             equ OS_BASE+0x02f9050

kernel/trunk/core/heap.inc

@@ -366,7 +366,7 @@ proc alloc_kernel_space stdcall, size:dword
 endp
 
 align 4
-proc free_kernel_space stdcall, base:dword
+proc free_kernel_space stdcall uses ebx ecx edx esi edi, base:dword
 
            mov ebx, heap_mutex
            call wait_mutex    ;ebx
@@ -461,7 +461,7 @@ proc free_kernel_space stdcall, base:dword
 .m_eq:
            xor eax, eax
            mov [heap_mutex], eax
-           not eax
+           dec eax
            ret
 .insert:
            remove_from_used esi
@@ -480,7 +480,7 @@ proc free_kernel_space stdcall, base:dword
            mov [esi+block_flags],FREE_BLOCK
            xor eax, eax
            mov [heap_mutex], eax
-           not eax
+           dec eax
            ret
 .fail:
            xor eax, eax
@@ -557,6 +557,7 @@ endp
 
 align 4
 proc kernel_free stdcall, base:dword
+           push ebx esi
 
            mov ebx, heap_mutex
            call wait_mutex    ;ebx
@@ -577,13 +578,17 @@ proc kernel_free stdcall, base:dword
 
            and [heap_mutex], 0
 
+           push ecx
            mov ecx, [esi+block_size];
            shr ecx, 12
            call release_pages   ;eax, ecx
+           pop ecx
            stdcall free_kernel_space, [base]
+           pop esi ebx
            ret
 .fail:
            and [heap_mutex], 0
+           pop esi ebx
            ret
 endp
 

kernel/trunk/core/memory.inc

@@ -231,6 +231,7 @@ endp
 
 align 4
 proc map_page stdcall,lin_addr:dword,phis_addr:dword,flags:dword
+           push ebx
            mov eax, [phis_addr]
            and eax, not 0xFFF
            or eax, [flags]
@@ -239,6 +240,7 @@ proc map_page stdcall,lin_addr:dword,phis_addr:dword,flags:dword
            mov [pages_tab+ebx*4], eax
            mov eax, [lin_addr]
            invlpg [eax]
+           pop ebx
            ret
 endp
 
@@ -290,7 +292,7 @@ commit_pages:   ;not implemented
 align 4
 release_pages:
 
-           push ebp
+           pushad
            mov ebx, pg_data.pg_mutex
            call wait_mutex      ;ebx
 
@@ -329,11 +331,12 @@ release_pages:
            jnz @B
            mov [pg_data.pages_free], ebp  
            and [pg_data.pg_mutex],0
-           pop ebp
+           popad
            ret
 
 align 4
 proc map_page_table stdcall, lin_addr:dword, phis_addr:dword
+           push ebx
            mov ebx, [lin_addr]
            shr ebx, 22
            mov eax, [phis_addr]
@@ -344,6 +347,7 @@ proc map_page_table stdcall, lin_addr:dword, phis_addr:dword
            shr eax, 10
            add eax, pages_tab
            invlpg [eax]
+           pop ebx
            ret
 endp
 

kernel/trunk/core/sys32.inc

@@ -768,10 +768,12 @@ fpu_ok_1:
         mov     esi, [esi+0x3000+TASKDATA.pid]
         cmp     [hd1_status], esi
         jnz     @f
+        call    free_hd_channel
         mov     [hd1_status], 0
 @@:
         cmp     [cd_status], esi
         jnz     @f
+        call    free_cd_channel
         mov     [cd_status], 0
 @@:
         cmp     [flp_status], esi

kernel/trunk/core/taskman.inc

@@ -208,6 +208,7 @@ end if
 .err_file:
            xor eax, eax
            mov [application_table_status],eax
+           mov eax, ecx
            ret
 endp
 
@@ -951,15 +952,16 @@ align 4
 wait_mutex:
            push eax
            push ebx
+.do_wait:
            cmp dword [ebx],0
            je .get_lock
            call change_task
-           jmp wait_mutex
+           jmp .do_wait
 .get_lock:
            mov eax, 1
            xchg eax, [ebx]
            test eax, eax
-           jnz wait_mutex
+           jnz .do_wait
            pop ebx
            pop eax
            ret

kernel/trunk/detect/sear_par.inc

@@ -76,21 +76,21 @@
 partition_data_transfer: 
      mov edi,[transfer_adress]
      mov esi,PARTITION_START
-     xor ecx,ecx
+     mov ecx,(file_system_data_size+3)/4
-     mov cx,69   ;100
+     rep movsd
-     rep movsb
      ret
+uglobal
 transfer_adress dd 0
+endg
 partition_data_transfer_1:
-     cli
+;     cli
      push edi
      mov edi,PARTITION_START
      mov esi,[transfer_adress]
-     xor ecx,ecx
+     mov ecx,(file_system_data_size+3)/4
-     mov cx,69  ;100
+     rep movsd
-     rep movsb
      pop  edi
-     sti
+;     sti
      ret
 
  end_search_partitions_ide:

kernel/trunk/docs/sysfuncr.txt

@@ -2905,8 +2905,6 @@ dword-
 „®αβγ―­λ¥ ―®¤δγ­<CEB3>樨:
   * ―®¤δγ­<CEB3>ζ¨ο 0 - ηβ¥­¨¥ δ ©« /― ―<C2A0>¨
   * ―®¤δγ­<CEB3>ζ¨ο 1 - ―¥ΰ¥§ ―¨αμ δ ©« 
-  * ¯®¤äã­ªæ¨ï 4 - ᮧ¤ ­¨¥ ¯ ¯ª¨
-  * ¯®¤äã­ªæ¨ï 5 - ¯¥à¥¨¬¥­®¢ ­¨¥/¯¥à¥¬¥é¥­¨¥ ä ©« /¯ ¯ª¨
   * ―®¤δγ­<CEB3>ζ¨ο 8 - LBA-ηβ¥­¨¥ α γαβΰ®©αβΆ 
   * ―®¤δγ­<CEB3>ζ¨ο 15 - ―®«γη¥­¨¥ ¨­δ®ΰ¬ ζ¨¨ ® δ ©«®Ά®© α¨α⥬¥
 
@@ -2994,59 +2992,6 @@ dword-
 ‡ ¬¥η ­¨ο:
   * <20>β  δγ­<CEB3>ζ¨ο γαβ ΰ¥« , ¨α―®«μ§γ©β¥ ―®¤δγ­<CEB3>ζ¨ξ 2 δγ­<CEB3>樨 70.
 
-======================================================================
-============== ”ã­ªæ¨ï 58, ¯®¤äã­ªæ¨ï 4 - ᮧ¤ âì ¯ ¯ªã. =============
-======================================================================
-<EFBFBD> à ¬¥âàë:
-  * eax = 58 - ­®¬¥à ä㭪樨
-  * ebx = 㪠§ â¥«ì ­  ¨­ä®à¬ æ¨®­­ãî áâàãªâãàã
-”®à¬ â ¨­ä®à¬ æ¨®­­®© áâàãªâãàë:
-  * +0: dword: 4 = ­®¬¥à ¯®¤ä㭪樨
-  * +4: dword: ¨£­®à¨àã¥âáï
-  * +8: dword: ¨£­®à¨àã¥âáï
-  * +12 = +0xC: dword: ¨£­®à¨àã¥âáï
-  * +16 = +0x10: dword: 㪠§ â¥«ì ­  ¡ãä¥à ¤«ï à ¡®âë á¨á⥬ë
-    (4096 ¡ ©â)
-  * +20 = +0x14: ASCIIZ-¨¬ï ä ©« , ¯à ¢¨«  ä®à¬¨à®¢ ­¨ï ¨¬ñ­ 㪠§ ­ë ¢
-    ®¡é¥¬ ®¯¨á ­¨¨
-‚®§¢à é ¥¬®¥ §­ ç¥­¨¥:
-  * eax = 0 - ãᯥ譮, ¨­ ç¥ ª®¤ ®è¨¡ª¨ ä ©«®¢®© á¨á⥬ë
-  * ebx à §àãè ¥âáï
-‡ ¬¥ç ­¨ï:
-  * <20> ¬¤¨áª ¨ ¤¨áª¥âë ­¥ ¯®¤¤¥à¦¨¢ îâ íâã äã­ªæ¨î,
-    ®­  ⮫쪮 ¤«ï ¦ñáâª¨å ¤¨áª®¢.
-
-======================================================================
-== ”ã­ªæ¨ï 58, ¯®¤äã­ªæ¨ï 5 - ¯¥à¥¨¬¥­®¢ âì/¯¥à¥¬¥áâ¨âì ä ©«/¯ ¯ªã. ==
-======================================================================
-<EFBFBD> à ¬¥âàë:
-  * eax = 58 - ­®¬¥à ä㭪樨
-  * ebx = 㪠§ â¥«ì ­  ¨­ä®à¬ æ¨®­­ãî áâàãªâãàã
-”®à¬ â ¨­ä®à¬ æ¨®­­®© áâàãªâãàë:
-  * +0: dword: 5 = ­®¬¥à ¯®¤ä㭪樨
-  * +4: dword: ¨£­®à¨àã¥âáï
-  * +8: dword: ¨£­®à¨àã¥âáï
-  * +12 = +0xC: dword: ¨£­®à¨àã¥âáï
-  * +16 = +0x10: dword: 㪠§ â¥«ì ­  ¡ãä¥à ¤«ï à ¡®âë á¨á⥬ë
-    (4096 ¡ ©â)
-  * +20 = +0x14: ASCIIZ-¨¬ï ä ©« , ¯à ¢¨«  ä®à¬¨à®¢ ­¨ï ¨¬ñ­ 㪠§ ­ë ¢
-    ®¡é¥¬ ®¯¨á ­¨¨
-  * +20+n: (áࠧ㠯®á«¥ § ¢¥àè î饣® ­ã«¥¢®£® ᨬ¢®« ) ­®¢®¥
-    ASCIIZ-¨¬ï, ¤®«¦­® ­ ç¨­ âìáï á /hd/1, çâ® ¨­â¥à¯à¥â¨àã¥âáï ª ª
-    ¦ñá⪨© ¤¨áª, 㪠§ ­­ë© ¢ ¯¥à¢®¬ ¨¬¥­¨
-    (¯¥à¥¬¥é¥­¨¥ á ®¤­®£® ¤¨áª  ­  ¤à㣮© ­¥ ¯®¤¤¥à¦¨¢ ¥âáï)
-‚®§¢à é ¥¬®¥ §­ ç¥­¨¥:
-  * eax = 0 - ãᯥ譮, ¨­ ç¥ ª®¤ ®è¨¡ª¨ ä ©«®¢®© á¨á⥬ë
-  * ebx à §àãè ¥âáï
-‡ ¬¥ç ­¨ï:
-  * <20> ¬¤¨áª ¨ ¤¨áª¥âë ­¥ ¯®¤¤¥à¦¨¢ îâ íâã äã­ªæ¨î,
-    ®­  ⮫쪮 ¤«ï ¦ñáâª¨å ¤¨áª®¢.
-  * …᫨ ­®¢®¥ ASCIIZ-¨¬ï ᨫ쭮 ­¥¯à ¢¨«ì­®¥, â.¥. ­¥ ­ ç¨­ ¥âáï á
-    /hd/1, /hd/first, /harddisk/1, /harddisk/first ¨«¨ ¯®á«¥ í⮣®
-    ­ ç «  ¨¤ñ⠯஡¥« ¨«¨ ᨬ¢®« á ª®¤®¬ 0, â® äã­ªæ¨ï ¢®§¢à é ¥â,
-    ª ª ­¨ áâà ­­®, ª®¤ ®è¨¡ª¨ 4. <20>â® ¥¤¨­á⢥­­ ï äã­ªæ¨ï, ª®â®à ï
-    ¢®®¡é¥ ¢®§¢à é ¥â íâ®â ª®¤.
-
 ======================================================================
 ========= ”γ­<CEB3>ζ¨ο 58, ―®¤δγ­<CEB3>ζ¨ο 8 - LBA-ηβ¥­¨¥ α γαβΰ®©αβΆ . ========
 ======================================================================
@@ -4097,6 +4042,7 @@ Architecture Software Developer's Manual, Volume 3, Appendix B);
   * ―®¤δγ­<CEB3>ζ¨ο 6 - γαβ ­®Ά<C2AE>   βਡγβ®Ά δ ©« /― ―<C2A0>¨
   * ―®¤δγ­<CEB3>ζ¨ο 7 - § ―γα<CEB3> ―ணࠬ¬λ
   * ―®¤δγ­<CEB3>ζ¨ο 8 - γ¤ «¥­¨¥ δ ©« /― ―<C2A0>¨
+  * ¯®¤äã­ªæ¨ï 9 - ᮧ¤ ­¨¥ ¯ ¯ª¨
 „«ο CD-―ΰ¨Ά®¤®Ά Ά αΆο§¨ α  ―― ΰ β­λ¬¨ ®£ΰ ­¨η¥­¨ο¬¨ ¤®αβγ―­λ
 β®«μ<EFBFBD>® ―®¤δγ­<CEB3>樨 0,1,5 ¨ 7, Άλ§®Ά ¤ΰγ£¨ε ―®¤δγ­<CEB3>権 § Ά¥ΰθ¨βαο
 ®θ¨΅<EFBFBD>®© α <20>®¤®¬ 2.
@@ -4434,6 +4380,31 @@ Architecture Software Developer's Manual, Volume 3, Appendix B);
   * <20>®¦­® γ¤ «οβμ β®«μ<C2AB>® ―γαβλ¥ ― ―<C2A0>¨ (―®―λβ<CEBB>  γ¤ «¥­¨ο ­¥―γαβ®© ― ―<C2A0>¨
     ―ΰ¨Ά¥¤ρβ <20> ®θ¨΅<C2A8>¥ α <20>®¤®¬ 10, "¤®αβγ― § ―ΰ¥ιρ­").
 
+======================================================================
+============= ”ã­ªæ¨ï 70, ¯®¤äã­ªæ¨ï 9 - ᮧ¤ ­¨¥ ¯ ¯ª¨. =============
+======================================================================
+<EFBFBD> à ¬¥âàë:
+  * eax = 70 - ­®¬¥à ä㭪樨
+  * ebx = 㪠§ â¥«ì ­  ¨­ä®à¬ æ¨®­­ãî áâàãªâãàã
+”®à¬ â ¨­ä®à¬ æ¨®­­®© áâàãªâãàë:
+  * +0: dword: 9 = ­®¬¥à ¯®¤ä㭪樨
+  * +4: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
+  * +8: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
+  * +12 = +0xC: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
+  * +16 = +0x10: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
+  * +20 = +0x14: ASCIIZ-¨¬ï ¯ ¯ª¨, ¯à ¢¨«  ä®à¬¨à®¢ ­¨ï ¨¬ñ­ 㪠§ ­ë ¢
+    ®¡é¥¬ ®¯¨á ­¨¨
+    ¨«¨
+  * +20 = +0x14: db 0
+  * +21 = +0x15: dd 㪠§ â¥«ì ­  ASCIIZ-áâபã á ¨¬¥­¥¬ ¯ ¯ª¨
+‚®§¢à é ¥¬®¥ §­ ç¥­¨¥:
+  * eax = 0 - ãᯥ譮, ¨­ ç¥ ª®¤ ®è¨¡ª¨ ä ©«®¢®© á¨á⥬ë
+  * ebx à §àãè ¥âáï
+‡ ¬¥ç ­¨ï:
+  * ”ã­ªæ¨ï ­¥ ¯®¤¤¥à¦¨¢ ¥âáï ¤«ï CD (¢¥à­ñâáï ª®¤ ®è¨¡ª¨ 2).
+  * <20>®¤¨â¥«ìáª ï ¯ ¯ª  ¤®«¦­  㦥 áãé¥á⢮¢ âì.
+  * …᫨ ¯ ¯ª  㦥 áãé¥áâ¢ã¥â, äã­ªæ¨ï § ¢¥àè¨âáï ãᯥ譮 (eax=0).
+
 ======================================================================
 === ”γ­<CEB3>ζ¨ο 71, ―®¤δγ­<CEB3>ζ¨ο 1 - γαβ ­®Ά¨βμ § £®«®Ά®<CE86> ®<>­  ―ணࠬ¬λ. ==
 ======================================================================

kernel/trunk/docs/sysfuncs.txt

@@ -2878,8 +2878,6 @@ Examples:
 Existing subfunctions:
   * subfunction 0 - read file/folder
   * subfunction 1 - rewrite file
-  * subfunction 4 - make folder
-  * subfunction 5 - rename/move file/folder
   * subfunction 8 - LBA-read from device
   * subfunction 15 - get file system information
 
@@ -2968,59 +2966,6 @@ Returned value:
 Remarks:
   * This function is obsolete, use subfunction 2 of function 70.
 
-======================================================================
-============== Function 58, subfunction 4 - make folder. =============
-======================================================================
-Parameters:
-  * eax = 58 - function number
-  * ebx = pointer to the information structure
-Format of the information structure:
-  * +0: dword: 4 = subfunction number
-  * +4: dword: ignored
-  * +8: dword: ignored
-  * +12 = +0xC: dword: ignored
-  * +16 = +0x10: dword: pointer to buffer for system operations
-    (4096 bytes)
-  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
-    given in the general description
-Returned value:
-  * eax = 0 - success, otherwise file system error code
-  * ebx destroyed
-Remarks:
-  * Ramdisk and floppies do not support this function, it is only
-    for hard disks.
-
-======================================================================
-======== Function 58, subfunction 5 - rename/move file/folder. =======
-======================================================================
-Parameters:
-  * eax = 58 - function number
-  * ebx = pointer to the information structure
-Format of the information structure:
-  * +0: dword: 5 = subfunction number
-  * +4: dword: ignored
-  * +8: dword: ignored
-  * +12 = +0xC: dword: ignored
-  * +16 = +0x10: dword: pointer to buffer for system operations
-    (4096 bytes)
-  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
-    given in the general description
-  * +20+n: (at once after terminating null character) new
-    ASCIIZ-name, must start from /hd/1, that is interpreted as
-    the hard disk, indicated in the first name
-    (moving from one disk to another is not supported)
-Returned value:
-  * eax = 0 - success, otherwise file system error code
-  * ebx destroyed
-Remarks:
-  * Ramdisk and floppies do not support this function, it is only
-    for hard disks.
-  * If the new ASCIIZ-name is strongly incorrect, i.e. does not start
-    from /hd/1, /hd/first, /harddisk/1, /harddisk/first or after this
-    space or null character follows, function returns, strangely
-    enough, error code 4. It is the only function which returns
-    this code.
-
 ======================================================================
 ========= Function 58, subfunction 8 - LBA-read from device. =========
 ======================================================================
@@ -4060,6 +4005,7 @@ Available subfunctions:
   * subfunction 6 - set attributes of file/folder
   * subfunction 7 - start application
   * subfunction 8 - delete file/folder
+  * subfunction 9 - create folder
 For CD-drives due to hardware limitations only subfunctions
 0,1,5 and 7 are available, other subfunctions return error
 with code 2.
@@ -4158,7 +4104,7 @@ Structure of block of data for folder entry (BDFE):
   * +40 = +0x28: name
     * for ASCII format: maximum length is 263 characters
       (263 bytes), byte after the name has value 0
-    * äëÿ ôîðìàòà UNICODE: maximum length is 259 characters
+    * for UNICODE format: maximum length is 259 characters
       (518 bytes), 2 bytes after the name have value 0
 Time format:
   * +0: byte: seconds
@@ -4392,6 +4338,31 @@ Remarks:
   * The function can delete only empty folders (attempt to delete
     nonempty folder results in error with code 10, "access denied").
 
+======================================================================
+============= Function 70, subfunction 9 - create folder. ============
+======================================================================
+Parameters:
+  * eax = 70 - function number
+  * ebx = pointer to the information structure
+Format of the information structure:
+  * +0: dword: 9 = subfunction number
+  * +4: dword: 0 (reserved)
+  * +8: dword: 0 (reserved)
+  * +12 = +0xC: dword: 0 (reserved)
+  * +16 = +0x10: dword: 0 (reserved)
+  * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
+    given in the general description
+    or
+  * +20 = +0x14: db 0
+  * +21 = +0x15: dd pointer to ASCIIZ-string with folder name
+Returned value:
+  * eax = 0 - success, otherwise file system error code
+  * ebx destroyed
+Remarks:
+  * The function is not supported for CD (returns error code 2).
+  * The parent folder must already exist.
+  * If target folder already exists, function returns success (eax=0).
+
 ======================================================================
 ========== Function 71, subfunction 1 - set window caption. ==========
 ======================================================================

kernel/trunk/fs/fat12.inc

@@ -1550,7 +1550,13 @@ fsfrfe:
         xor     ebx, ebx
         ret
 
+fs_FloppyCreateFolder:
+        mov     al, 1
+        jmp     fs_FloppyRewrite.common
+
 fs_FloppyRewrite:
+        xor     eax, eax
+.common:
         cmp     byte [esi], 0
         jz      @b
         call    read_flp_fat
@@ -1616,8 +1622,24 @@ fs_FloppyRewrite:
 .common1:
         call    fat_find_lfn
         jc      .notfound
-; found; must not be directory
+; found
         test    byte [edi+11], 10h
+        jz      .exists_file
+; found directory; if we are creating directory, return OK,
+;                  if we are creating file, say "access denied"
+        add     esp, 28
+        popad
+        test    al, al
+        mov     eax, ERROR_ACCESS_DENIED
+        jz      @f
+        mov     al, 0
+@@:
+        xor     ebx, ebx
+        ret
+.exists_file:
+; found file; if we are creating directory, return "access denied",
+;             if we are creating file, delete existing file and continue
+        cmp     byte [esp+28+28], 0
         jz      @f
         add     esp, 28
         popad
@@ -1635,7 +1657,7 @@ fs_FloppyRewrite:
 @@:
         cmp     eax, 0xFF8
         jae     .done1
-        lea     edi, [0x282000 + eax*2] ; position in FAT
+        lea     edi, [FLOPPY_FAT + eax*2] ; position in FAT
         xor     eax, eax
         xchg    ax, [edi]
         jmp     @b
@@ -1840,6 +1862,12 @@ fs_FloppyRewrite:
         and     word [edi+20], 0        ; high word of cluster
         and     word [edi+26], 0        ; low word of cluster - to be filled
         and     dword [edi+28], 0       ; file size - to be filled
+        cmp     byte [esp+28+28], 0
+        jz      .doit
+; create directory
+        mov     byte [edi+11], 10h      ; attributes: folder
+        mov     ecx, 32*2
+        mov     edx, edi
 .doit:
         lea     eax, [esp+8]
         call    dword [eax+12]  ; flush directory
@@ -1847,9 +1875,10 @@ fs_FloppyRewrite:
         push    edi
         push    0
         mov     esi, edx
-        jecxz   .done
+        test    ecx, ecx
+        jz      .done
         mov     ecx, 2849
-        mov     edi, 0x282000
+        mov     edi, FLOPPY_FAT
         push    0       ; first cluster
 .write_loop:
 ; allocate new cluster
@@ -1859,7 +1888,7 @@ fs_FloppyRewrite:
         jnz     .ret
         dec     edi
         dec     edi
-        lea     eax, [edi-0x282000]
+        lea     eax, [edi-(FLOPPY_FAT)]
         shr     eax, 1                  ; eax = cluster
         mov     word [edi], 0xFFF       ; mark as last cluster
         xchg    edi, [esp+4]
@@ -1879,10 +1908,13 @@ fs_FloppyRewrite:
         jae     @f
         mov     ecx, [esp+20]
 @@:
-        push    ecx
         mov     edi, 0xD000
+        cmp     byte [esp+24+28+28], 0
+        jnz     .writedir
+        push    ecx
         rep     movsb
         pop     ecx
+.writedircont:
         push    ecx
         sub     ecx, 512
         neg     ecx
@@ -1935,6 +1967,28 @@ fs_FloppyRewrite:
         mov     eax, 11
         pop     edi ecx
         jmp     .ret
+.writedir:
+        push    ecx
+        mov     ecx, 32/4
+        push    ecx esi
+        rep     movsd
+        pop     esi ecx
+        mov     dword [edi-32], '.   '
+        mov     dword [edi-32+4], '    '
+        mov     dword [edi-32+8], '    '
+        mov     byte [edi-32+11], 10h
+        mov     word [edi-32+26], ax
+        push    esi
+        rep     movsd
+        pop     esi
+        mov     dword [edi-32], '..  '
+        mov     dword [edi-32+4], '    '
+        mov     dword [edi-32+8], '    '
+        mov     byte [edi-32+11], 10h
+        mov     ecx, [esp+28+8]
+        mov     word [edi-32+26], cx
+        pop     ecx
+        jmp     .writedircont
 
 ;----------------------------------------------------------------
 ;
@@ -2059,6 +2113,13 @@ fs_FloppyWrite:
         jz      .ret
         call    SetUserInterrupts
 .write_loop:
+; skip unmodified sectors
+        cmp     dword [esp], 0x200
+        jb      .modify
+        sub     ebx, 0x200
+        jae     .skip
+        add     ebx, 0x200
+.modify:
         lea     eax, [edi+31]   ; current sector
 ; get length of data in current sector
         push    ecx
@@ -2129,6 +2190,7 @@ fs_FloppyWrite:
         sub     [esp], ecx
         pop     ecx
         jz      .done
+.skip:
 .next_cluster:
         movzx   edi, word [edi*2+0x282000]
         sub     esi, 0x200
@@ -2488,6 +2550,7 @@ fs_FloppySetFileInfo:
 @@:
         ret
 
+if 0
 ;----------------------------------------------------------------
 ;
 ;  fs_FloppyExecute - LFN variant for executing from floppy
@@ -2589,6 +2652,7 @@ fs_FloppyExecute:
         popad
         mov     eax, 11
         ret
+end if
 
 ;----------------------------------------------------------------
 ;

kernel/trunk/fs/fat32.inc

@@ -7,6 +7,7 @@
 ;;  Copyright 2002 Paolo Minazzi, paolo.minazzi@inwind.it          ;;
 ;;                                                                 ;;
 ;;  See file COPYING for details                                   ;;
+;;  04.02.2007 LFN create folder - diamond                         ;;
 ;;  08.10.2006 LFN delete file/folder - diamond                    ;;
 ;;  20.08.2006 LFN set file size (truncate/extend) - diamond       ;;
 ;;  17.08.2006 LFN write/append to file - diamond                  ;;
@@ -101,13 +102,6 @@ fat_cache:           times 512 db 0
   fsinfo_buffer:       times 512 db 0
 endg
 
-iglobal
-  NewDirEntry1         db ".          ",0x10
-                     times 20 db 0
-  NewDirEntry2         db "..         ",0x10
-                     times 20 db 0
-endg
-
 uglobal
   dir_entry:           times 32 db 0
 
@@ -139,6 +133,11 @@ reserve_hd1:
     sti
     ret
 ;********************************************
+
+uglobal
+hd_in_cache db ?
+endg
+
 reserve_hd_channel:
     cmp   [hdbase], 0x1F0
     jne   .IDE_Channel_2
@@ -155,12 +154,25 @@ reserve_hd_channel:
     je    .reserve_ok_2
     sti
     call  change_task
-    jmp   .IDE_Channel_1
+    jmp   .IDE_Channel_2
 .reserve_ok_1:
-    mov [IDE_Channel_1],1
+        mov     [IDE_Channel_1], 1
-    ret
+        push    eax
+        mov     al, 1
+        jmp     @f
 .reserve_ok_2:
-    mov [IDE_Channel_2],1
+        mov     [IDE_Channel_2], 1
+        push    eax
+        mov     al, 3
+@@:
+        cmp     [hdid], 1
+        sbb     al, -1
+        cmp     al, [hd_in_cache]
+        jz      @f
+        mov     [hd_in_cache], al
+        call    clear_hd_cache
+@@:
+	pop     eax
         ret
 
 free_hd_channel:
@@ -806,189 +818,6 @@ set_current_time_for_entry:
     ret
 
 
-makedir:
-;-----------------------------------------------------
-; input  : eax = directory name
-;          edx = path
-; output : eax = 0 - ok
-;                3 - unknown FS
-;                5 - file not found
-;                8 - disk full
-;               10 - access denied
-; Note   : can only make one directory at time
-;-----------------------------------------------------
-        cmp     [fs_type], 16
-        jz      make_dir_fat_ok
-        cmp     [fs_type], 32
-        jz      make_dir_fat_ok
-        push    ERROR_UNKNOWN_FS
-        pop     eax
-        ret
-
-  make_dir_fat_ok:
-;    call  reserve_hd1
-
-    pushad
-
-    mov   ebx,edx
-    call  get_cluster_of_a_path
-    jnc   make_dir_found_path
-    cmp   [hd_error],0
-    jne   make_dir_error_1
-
-  make_dir_path_not_found:
-    popad
-    call  update_disk           ; write all of cache and fat to hd
-    cmp   [hd_error],0
-    jne   make_dir_error_2
-
-    mov   [hd1_status],0
-    mov   eax,ERROR_FILE_NOT_FOUND
-    ret
-
-  make_dir_disk_full:
-    cmp  [hd_error],0
-    jne   make_dir_error_1
-    popad
-    call  update_disk           ; write all of cache and fat to hd
-    cmp   [hd_error],0
-    jne   make_dir_error_2
-
-    mov   [hd1_status],0
-    mov   eax,ERROR_DISK_FULL
-    ret
-
-  make_dir_already_exist:
-    cmp  [hd_error],0
-    jne   make_dir_error_1    
-    mov   eax,[cluster]         ; directory cluster
-    xor   edx,edx               ; free
-    call  set_FAT
-    cmp  [hd_error],0
-    jne   make_dir_error_1
-
-    popad
-    call  update_disk           ; write all of cache and fat to hd
-  make_dir_error_2:
-    mov   [hd1_status],0
-    mov   eax,ERROR_ACCESS_DENIED
-    ret
-
-  make_dir_error_1:
-    popad
-    jmp   make_dir_error_2
-
-  make_dir_error_3:
-    add  esp,4
-    jmp   make_dir_error_1
-
-  make_dir_found_path:
-    cmp   eax,[ROOT_CLUSTER]
-    jnz   make_dir_not_root
-    xor   eax,eax
-
-  make_dir_not_root:
-    mov   ecx,eax               ; directorys start cluster
-    mov   word [NewDirEntry2+26],cx ; 16 bits low of cluster
-    shr   ecx,16
-    mov   word [NewDirEntry2+20],cx ; 16 bits high of cluster (=0 fat16)
-
-    push  eax                   ; save parent directory cluster
-    mov   eax,2
-    call  get_free_FAT
-    mov   [cluster],eax         ; first free cluster
-    pop   eax
-    jc    make_dir_disk_full
-
-    push  eax
-    mov   eax,[cluster]         ; directory cluster
-    mov   edx,[fatEND]          ; end for directory
-    call  set_FAT
-    cmp  [hd_error],0
-    jne   make_dir_error_3
-    pop   eax
-
-    mov   ebx,PUSHAD_EAX        ; dir name
-    push  eax
-    call  analyze_directory     ; check if directory already exist
-    cmp   [hd_error],0
-    jne   make_dir_error_1
-
-    pop   eax
-    jnc   make_dir_already_exist ; need to free allocated cluster!
-
-    call  analyze_directory_to_write
-    jc    make_dir_already_exist ; need to free allocated cluster!
-
-    mov   esi,PUSHAD_EAX        ; dir name
-    mov   edi,ebx               ; pointer in buffer
-    mov   ecx,11
-    cld
-    rep   movsb
-
-    mov   dword [ebx+28],0      ; dir size is always 0
-    mov   ecx,[cluster]
-    mov   [ebx+26],cx           ; 16 bits low of cluster
-    mov   word [NewDirEntry1+26],cx
-    shr   ecx,16
-    mov   [ebx+20],cx           ; 16 bits high of cluster (=0 fat16)
-    mov   word [NewDirEntry1+20],cx
-    mov   byte [ebx+11],0x10    ; attribute = directory
-
-    call  set_current_time_for_entry
-    mov   ecx,[ebx+22]
-    mov   dword [NewDirEntry1+22],ecx
-    mov   dword [NewDirEntry2+22],ecx
-
-    mov   ebx,buffer            ; save the directory name,length,cluster
-    call  hd_write
-    cmp   [hd_error],0
-    jne   make_dir_error_1
-
-    mov   ecx,512/4
-    xor   eax,eax
-    mov   edi,buffer
-    cld
-    rep   stosd                 ; clear new directory cluster
-
-    mov   eax,[cluster]         ; new directory cluster
-    sub   eax,2
-    mov   edx,[SECTORS_PER_CLUSTER]
-    imul  eax,edx
-    add   eax,[DATA_START]
-    mov   ebx,buffer
-    add   eax,edx               ; start from last sector
-
-  dir_set_empty_directory:
-    dec   eax                   ; next sector
-    cmp   edx,1                 ; is first directory sector?
-    jnz   not_first_sector      ; no. write empty sector
-    mov   esi,NewDirEntry1
-    mov   edi,buffer
-    mov   ecx,64/4
-    cld
-    rep   movsd                 ; copy 2 first directory entrys "." and ".."
-
-  not_first_sector:
-    call  hd_write
-    cmp   [hd_error],0
-    jne   make_dir_error_1
-  
-    dec   edx
-    jnz   dir_set_empty_directory
-
-    mov   ecx,-1                ; remove 1 cluster from free disk space
-    call  add_disk_free_space
-    cmp  [hd_error],0
-    jne   make_dir_error_1
-
-    popad
-    call  update_disk           ; write all of cache and fat to hd
-    cmp   [hd_error],0
-    jne   make_dir_error_2
-    mov   [hd1_status],0
-    xor   eax,eax
-    ret
 
 add_disk_free_space:
 ;-----------------------------------------------------
@@ -1664,172 +1493,6 @@ delete_entry_name:
     ret
 
 
-rename:
-;-----------------------------------------------------------
-; input  : eax = source directory name
-;          edx = source path
-;          ebx = dest directory name
-;          edi = dest path
-; output : eax = 0 - ok
-;                3 - unknown FS
-;                5 - file not found
-;                8 - disk full
-;               10 - access denied
-;-----------------------------------------------------------
-        cmp     [fs_type], 16
-        jz      fat_ok_for_rename
-        cmp     [fs_type], 32
-        jz      fat_ok_for_rename
-        push    ERROR_UNKNOWN_FS
-        pop     eax
-        ret
-
-  fat_ok_for_rename:
-;    call  reserve_hd1
-
-    pushad
-
-    mov   ebx,edx               ; source path
-    call  get_cluster_of_a_path
-    jc    rename_entry_not_found
-
-    mov   ebx,PUSHAD_EAX        ; source directory name
-    call  analyze_directory
-    jc    rename_entry_not_found
-
-    mov   [sector_tmp],eax      ; save source sector
-    mov   [entry_pos],ebx
-    mov   esi,ebx
-    mov   edi,dir_entry
-    mov   ecx,32/4
-    cld
-    rep   movsd                 ; save entry
-
-    mov   ebx,PUSHAD_EDI        ; dest path
-    call  get_cluster_of_a_path
-    jc    rename_entry_not_found
-
-    mov   edx,eax               ; save dest directory cluster
-    mov   ebx,PUSHAD_EBX        ; dest directory name
-    push  [longname_sec1]
-    push  [longname_sec2]
-    call  analyze_directory     ; check if entry already exist
-    cmp  [hd_error],0
-    jne  rename_entry_already_exist_1
-
-    pop   [longname_sec2]
-    pop   [longname_sec1]
-    jnc   rename_entry_already_exist
-
-    mov   eax,edx
-    call  analyze_directory_to_write
-    jc    rename_disk_full
-
-    mov   esi,dir_entry
-    mov   edi,ebx
-    mov   ecx,32/4
-    cld
-    rep   movsd                 ; copy entry
-    mov   esi,PUSHAD_EBX        ; dest directory name
-    mov   edi,ebx
-    mov   ecx,11
-    rep   movsb                 ; copy name
-
-    mov   ebx,buffer            ; save the directory name,length,cluster
-    call  hd_write
-
-    test  byte [dir_entry+11],0x10 ; is it directory?
-    jz    rename_not_dir           ; no
-    mov   eax,[dir_entry+20-2]     ; FAT entry
-    mov   ax,[dir_entry+26]
-    and   eax,[fatMASK]
-    call  change_2dot_cluster
-    cmp   [hd_error],0
-    jne   rename_entry_already_exist
-
-  rename_not_dir:
-    cmp   [hd_error],0
-    jne   rename_entry_already_exist
-    mov   eax,[sector_tmp]
-    mov   ebx,buffer
-    call  hd_read               ; read source directory sector
-    cmp  [hd_error],0
-    jne  rename_entry_already_exist
-
-    mov   ebx,[entry_pos]
-    call  delete_entry_name
-    cmp   [hd_error],0
-    jne   rename_entry_already_exist
-
-    popad
-    call  update_disk           ; write all of cache and fat to hd
-    cmp   [hd_error],0
-    jne   rename_entry_already_exist_2
-    mov   [hd1_status],0
-    xor   eax,eax
-    ret
-
-  rename_entry_not_found:
-    cmp  [hd_error],0
-    jne  rename_entry_already_exist
-    popad
-    mov   [hd1_status],0
-    mov   eax,ERROR_FILE_NOT_FOUND
-    ret
-
-  rename_entry_already_exist_1:
-    add   esp,8
-  rename_entry_already_exist:
-    popad
-  rename_entry_already_exist_2:
-    mov   [hd1_status],0
-    mov   eax,ERROR_ACCESS_DENIED
-    ret
-
-  rename_disk_full:
-    cmp  [hd_error],0
-    jne  rename_entry_already_exist
-    popad
-    mov   [hd1_status],0
-    mov   eax,ERROR_DISK_FULL
-    ret
-
-
-change_2dot_cluster:
-;-----------------------------------------------------------
-; input  : eax = directory cluster
-;          edx = value to save
-; change : eax,ebx,edx
-;-----------------------------------------------------------
-    cmp   eax,[LAST_CLUSTER]
-    ja    not_2dot              ; too big cluster number, something is wrong
-    sub   eax,2
-    jb    not_2dot
-
-    imul  eax,[SECTORS_PER_CLUSTER]
-    add   eax,[DATA_START]
-    mov   ebx,buffer
-    call  hd_read
-    cmp  [hd_error],0
-    jne  not_2dot
-
-    cmp   dword [ebx+32],'..  '
-    jnz   not_2dot
-
-    cmp   edx,[ROOT_CLUSTER]    ; is rootdir cluster?
-    jne   not_2dot_root
-    xor   edx,edx               ; yes. set it zero
-
-  not_2dot_root:
-    mov   [ebx+32+26],dx        ; 16 bits low of cluster
-    shr   edx,16
-    mov   [ebx+32+20],dx        ; 16 bits high of cluster (=0 fat16)
-    call  hd_write
-
-  not_2dot:
-    ret
-
-
 get_hd_info:
 ;-----------------------------------------------------------
 ; output : eax = 0 - ok
@@ -2555,7 +2218,13 @@ fshrfs:
         xor     ebx, ebx
         ret
 
+fs_HdCreateFolder:
+        mov     al, 1
+        jmp     fs_HdRewrite.common
+
 fs_HdRewrite:
+        xor     eax, eax
+.common:
         cmp     [fs_type], 1
         jz      ntfs_HdRewrite
         cmp     [fs_type], 16
@@ -2627,8 +2296,24 @@ fs_HdRewrite:
 .common1:
         call    fat_find_lfn
         jc      .notfound
-; found; must not be directory
+; found
         test    byte [edi+11], 10h
+        jz      .exists_file
+; found directory; if we are creating directory, return OK,
+;                  if we are creating file, say "access denied"
+        add     esp, 32
+        popad
+        test    al, al
+        mov     eax, ERROR_ACCESS_DENIED
+        jz      @f
+        mov     al, 0
+@@:
+        xor     ebx, ebx
+        ret
+.exists_file:
+; found file; if we are creating directory, return "access denied",
+;             if we are creating file, delete existing file and continue
+        cmp     byte [esp+32+28], 0
         jz      @f
         add     esp, 32
         popad
@@ -2865,11 +2550,23 @@ fs_HdRewrite:
         mov     word [edi+20], cx       ; high word of cluster
         mov     word [edi+26], cx       ; low word of cluster - to be filled
         mov     dword [edi+28], ecx     ; file size - to be filled
+        cmp     byte [esp+32+28], cl
+        jz      .doit
+; create directory
+        mov     byte [edi+11], 10h      ; attributes: folder
+        mov     edx, edi
+        lea     eax, [esp+8]
+        call    dword [eax+16]  ; flush directory
+        push    ecx
+        mov     ecx, [SECTORS_PER_CLUSTER]
+        shl     ecx, 9
+        jmp     .doit2
 .doit:
         lea     eax, [esp+8]
         call    dword [eax+16]  ; flush directory
         push    ecx
         mov     ecx, [esp+4+32+24]
+.doit2:
         push    ecx
         push    edi
         mov     esi, edx
@@ -2898,6 +2595,8 @@ fs_HdRewrite:
         add     eax, [DATA_START]
 ; write data
 .write_sector:
+        cmp     byte [esp+16+32+28], 0
+        jnz     .writedir
         mov     ecx, 512
         cmp     dword [esp+8], ecx
         jb      .writeshort
@@ -2911,6 +2610,7 @@ fs_HdRewrite:
         mov     edi, buffer
         mov     ebx, edi
         rep     movsb
+.writedircont:
         mov     ecx, buffer+0x200
         sub     ecx, edi
         push    eax
@@ -2977,6 +2677,40 @@ fs_HdRewrite:
         call    update_disk
         popad
         ret
+.writedir:
+        push    512
+        mov     edi, buffer
+        mov     ebx, edi
+        mov     ecx, [SECTORS_PER_CLUSTER]
+        shl     ecx, 9
+        cmp     ecx, [esp+12]
+        jnz     .writedircont
+        dec     dword [esp+16]
+        push    esi
+        mov     ecx, 32/4
+        rep     movsd
+        pop     esi
+        mov     dword [edi-32], '.   '
+        mov     dword [edi-32+4], '    '
+        mov     dword [edi-32+8], '    '
+        mov     byte [edi-32+11], 10h
+        push    esi
+        mov     ecx, 32/4
+        rep     movsd
+        pop     esi
+        mov     dword [edi-32], '..  '
+        mov     dword [edi-32+4], '    '
+        mov     dword [edi-32+8], '    '
+        mov     byte [edi-32+11], 10h
+        mov     ecx, [esp+20+8]
+        cmp     ecx, [ROOT_CLUSTER]
+        jnz     @f
+        xor     ecx, ecx
+@@:
+        mov     word [edi-32+26], cx
+        shr     ecx, 16
+        mov     [edi-32+20], cx
+        jmp     .writedircont
 
 ;----------------------------------------------------------------
 ;
@@ -3119,6 +2853,13 @@ fs_HdWrite:
         sub     ecx, ebx
         jz      .ret
 .write_loop:
+; skip unmodified sectors
+        cmp     dword [esp], 0x200
+        jb      .modify
+        sub     ebx, 0x200
+        jae     .skip
+        add     ebx, 0x200
+.modify:
 ; get length of data in current sector
         push    ecx
         sub     ebx, 0x200
@@ -3175,9 +2916,8 @@ fs_HdWrite:
         add     edi, esi
         rep     stosb
 @@:
-        pop     edi ecx eax
+        pop     edi ecx
 ; copy new data
-        push    eax
         mov     eax, edx
         neg     ebx
         jecxz   @f
@@ -3197,6 +2937,7 @@ fs_HdWrite:
         sub     [esp], ecx
         pop     ecx
         jz      .ret
+.skip:
 ; next sector
         inc     ebp
         cmp     ebp, [SECTORS_PER_CLUSTER]

kernel/trunk/fs/fs.inc

@@ -4,7 +4,6 @@
 ;; (C) 2004 Ville Turjanmaa, License: GPL                               ;;
 ;; 29.04.2006 Elimination of hangup after the                           ;;
 ;;            expiration hd_wait_timeout (for LBA) -  Mario79           ;;
-;; xx.04.2006 LFN support - diamond                                     ;;
 ;; 15.01.2005 get file size/attr/date, file_append (only for hd) - ATV  ;;
 ;; 23.11.2004 test if hd/partition is set - ATV                         ;;
 ;; 18.11.2004 get_disk_info and more error codes - ATV                  ;;
@@ -37,8 +36,6 @@ file_system:
 ;
 ; eax = 0  ; read file          /RamDisk/First  6
 ; eax = 1  ; write file         /RamDisk/First 33   /HardDisk/First 56
-; eax = 4  ; makedir
-; eax = 5  ; rename file/directory
 ; eax = 8  ; lba read
 ; eax = 15 ; get_disk_info
 ;
@@ -87,10 +84,6 @@ file_system:
 
     cmp   dword [eax+0],15      ; GET_DISK_INFO
     je    fs_info
-    cmp   dword [eax+0],5       ; RENAME - dont care about read&write blocks
-    je    fs_read
-    cmp   dword [eax+0],4       ; MAKEDIR - dont care about read&write blocks
-    je    fs_read
 
     cmp   dword [0x3000],1      ; no memory checks for kernel requests
     jz    no_checks_for_kernel
@@ -384,6 +377,7 @@ fs_yesharddisk_IDE3:
      mov  [hdid],0x10
      mov  [hdpos],4
 fs_yesharddisk_partition:
+        call    reserve_hd_channel
 ;    call  choice_necessity_partition 
 ;    jmp   fs_yesharddisk_all     
     jmp   fs_for_new_semantic
@@ -445,6 +439,7 @@ choice_necessity_partition_1:
     cmp   [fat32part],0         ; is partition set?
     jnz   @f
 hd_err_return:
+    call  free_hd_channel
     and   [hd1_status], 0
     jmp   file_system_return
 @@:
@@ -469,6 +464,8 @@ hd_err_return:
     mov   edi,[esp+0]
     mov   byte [edi],'/'
 
+    call  free_hd_channel
+    and   [hd1_status], 0
     jmp   file_system_return
 
   fs_noharddisk_read:
@@ -493,76 +490,16 @@ hd_err_return:
 
     ; eax=0 ok - eax=1 not enough free space
 
+    call  free_hd_channel
+    and   [hd1_status], 0
     jmp   file_system_return
 
 
   fs_noharddisk_write:
 
-    cmp   dword [esp+20],4      ; MAKEDIR
-    jne   fs_noharddisk_makedir
 
-    mov   eax,[esp+0]           ; /dirname
+    call  free_hd_channel
-    mov   byte [eax],0          ; path to asciiz
+    and   [hd1_status], 0
-    inc   eax                   ; filename start
-    mov   edx,[esp+4]
-    add   edx,12*2              ; path start
-
-    call  makedir
-
-    mov   edi,[esp+0]
-    mov   byte [edi],'/'
-
-    jmp   file_system_return
-
-  fs_noharddisk_makedir:
-
-    cmp   dword [esp+20],5      ; RENAME
-    jne   fs_noharddisk_rename
-
-    mov   edi,[esp+0]           ; start of source file name
-    add   edi,12+1              ; continue after name
-    call  expand_pathz          ; convert destination name
-
-    mov   eax,[edi+1]
-    cmp   eax,'HD  '
-    je    fs_rename_test1
-    cmp   eax,'HARD'
-    jne   fs_rename_error
-
-  fs_rename_test1:
-    mov   eax,[edi+1+12]
-    cmp   eax,'1   '
-    je    fs_rename_start
-    cmp   eax,'FIRS'
-    jne   fs_rename_error
-
-  fs_rename_start:
-    mov   byte [ebx],0          ; path to asciiz
-    inc   ebx                   ; filename start
-    add   edi,12*2              ; path start
-    cmp   byte [ebx],0
-    je    fs_rename_error
-    cmp   byte [ebx],32
-    je    fs_rename_error
-
-    mov   eax,[esp+0]           ; /filename
-    mov   byte [eax],0          ; path to asciiz
-    inc   eax                   ; filename start
-    mov   edx,[esp+4]
-    add   edx,12*2              ; path start
-
-    call  rename
-
-    mov   edi,[esp+0]
-    mov   byte [edi],'/'
-
-    jmp   file_system_return
-
-  fs_rename_error:
-    mov   eax,4                 ; partition not defined at hd
-    jmp   file_system_return
-
-  fs_noharddisk_rename:
 
   fs_noharddisk:
 ; \begin{diamond}[18.03.2006]

kernel/trunk/fs/fs_lfn.inc

@@ -83,7 +83,7 @@ file_system_lfn:
 ; 6 : set file/directory attributes structure
 ; 7 : start application
 ; 8 : delete file
-; 9 : create directory - not implemented yet
+; 9 : create directory
 
         add     eax, std_application_base_address
 ; parse file name
@@ -362,8 +362,9 @@ fs_RamdiskServices:
         dd      fs_RamdiskSetFileEnd
         dd      fs_RamdiskGetFileInfo
         dd      fs_RamdiskSetFileInfo
-        dd      fs_RamdiskExecute
+        dd      0 ;fs_RamdiskExecute
         dd      fs_RamdiskDelete
+        dd      fs_RamdiskCreateFolder
 fs_NumRamdiskServices = ($ - fs_RamdiskServices)/4
 
 fs_OnFloppy:
@@ -392,8 +393,9 @@ fs_FloppyServices:
         dd      fs_FloppySetFileEnd
         dd      fs_FloppyGetFileInfo
         dd      fs_FloppySetFileInfo
-        dd      fs_FloppyExecute
+        dd      0 ;fs_FloppyExecute
         dd      fs_FloppyDelete
+        dd      fs_FloppyCreateFolder
 fs_NumFloppyServices = ($ - fs_FloppyServices)/4
 
 fs_OnHd0:
@@ -466,6 +468,7 @@ fs_HdServices:
         dd      fs_HdSetFileInfo
         dd      0 ;fs_HdExecute
         dd      fs_HdDelete
+        dd      fs_HdCreateFolder
 fs_NumHdServices = ($ - fs_HdServices)/4
 
 ;*******************************************************

kernel/trunk/fs/ntfs.inc

@@ -222,6 +222,7 @@ ntfs_setup:             ; CODE XREF: part_set.inc
         mov     [ntfs_data.cur_index_buf], eax
 
         popad
+        call    free_hd_channel
         and     [hd1_status], 0
         ret
 

kernel/trunk/fs/part_set.inc

@@ -39,6 +39,10 @@ fatEND               dd 0x0FFFFFF8
 fatMASK              dd 0x0FFFFFFF
 
 fs_dependent_data_end:
+file_system_data_size = $ - PARTITION_START
+if file_system_data_size > 96
+ERROR: sizeof(file system data) too big!
+end if
 
 virtual at fs_dependent_data_start
 ; NTFS data
@@ -111,10 +115,9 @@ endg
 ; - it will skip over removed partitions
 
 set_FAT32_variables:
-    mov   [0xfe10],dword 0      ; entries in hd cache
     mov   [problem_partition],0
     call  reserve_hd1
-    call  clear_hd_cache
+    call  reserve_hd_channel
 
     cmp   dword [hdpos],0
     je    problem_hd
@@ -303,6 +306,7 @@ problem_partition_or_fat:
 
 problem_hd:
     mov   [fs_type],0
+    call  free_hd_channel
     mov   [hd1_status],0        ; free
     mov   [problem_partition],1
     ret
@@ -420,6 +424,7 @@ fat32_partition:
     mov   [fatEND],0x0FFFFFF8
     mov   [fatMASK],0x0FFFFFFF
     mov   [fs_type],32         ; Fat32
+    call  free_hd_channel
     mov   [hd1_status],0        ; free
     ret
 
@@ -434,5 +439,6 @@ fat16_partition:
     mov   [fatEND],0x0000FFF8
     mov   [fatMASK],0x0000FFFF
     mov   [fs_type],16         ; Fat16
+    call  free_hd_channel
     mov   [hd1_status],0        ; free
     ret

kernel/trunk/kernel.asm

@@ -1496,9 +1496,9 @@ cd_base db 0
      mov  [hdpos],4
 ;     call set_FAT32_variables
    noseslhd:
-     mov   [0xfe10],dword 0
     call  reserve_hd1
-    call  clear_hd_cache
+    call  reserve_hd_channel
+    call  free_hd_channel
     mov   [hd1_status],0        ; free
    nosethd:
      ret
@@ -1514,7 +1514,8 @@ endg
      mov  [fat32part],ebx
 ;     call set_FAT32_variables
     call  reserve_hd1
-    call  clear_hd_cache
+    call  reserve_hd_channel
+    call  free_hd_channel
      pusha
      call  choice_necessity_partition_1
      popa

kernel/trunk/memmap.inc

@@ -105,7 +105,6 @@
 ;   FE04  dword       screen y size
 ;   FE08  dword       screen y multiplier
 ;   FE0C  dword       screen mode
-;   FE10  dword       entries in hd cache
 ;   FE80  dword       address of LFB in physical
 ;   FE84  dword       address of applications memory start in physical
 ;   FE88  dword       address of button list

programs/fs/kfar/trunk/viewer.inc

@@ -19,9 +19,6 @@ end virtual
 view_file:
         mov     eax, [ebp + panel1_files - panel1_data]
         mov     ecx, [eax+ecx*4]
-        mov     eax, [ebp + panel1_nfa - panel1_data]
-        lea     ecx, [ecx+eax*4+32]
-        add     ecx, [ebp + panel1_files - panel1_data]
         test    byte [ecx], 10h
         jz      .file
         ret
@@ -59,10 +56,32 @@ view_file:
         push    eax
         mov     ebx, attrinfo
         mov     [ebx+21], eax
+.attr_retry:
         push    70
         pop     eax
         int     40h
-; TODO: add error handling
+        test    eax, eax
+        jz      @f
+        lea     ebx, [ebp+viewer_data.filename]
+        push    ebx
+        push    aCannotReadFile
+        call    get_error_msg
+        push    eax
+        mov     eax, esp
+        push    RetryOrCancelBtn
+        push    2
+        push    eax
+        push    3
+        push    -1
+        push    -1
+        push    aError
+        call    SayErr
+        add     esp, 3*4
+        mov     ebx, attrinfo
+        test    eax, eax
+        jz      .attr_retry
+        jmp     delete_active_screen
+@@:
         mov     eax, dword [attrinfo.attr+32]
         mov     dword [ebp+viewer_data.filesize], eax
         mov     eax, dword [attrinfo.attr+36]
@@ -80,11 +99,35 @@ view_file:
         mov     [readinfo.data], eax
         mov     [ebp+viewer_data.buf_pos], eax
         pop     dword [readinfo.name]
+.retry:
         push    70
         pop     eax
         int     40h
         mov     [ebp+viewer_data.buf_size], ebx
-; TODO: add error handling
+        test    eax, eax
+        jz      .readok
+        cmp     eax, 6
+        jz      .readok
+        lea     ebx, [ebp+viewer_data.filename]
+        push    ebx
+        push    aCannotReadFile
+        call    get_error_msg
+        push    eax
+        mov     eax, esp
+        push    RetryOrCancelBtn
+        push    2
+        push    eax
+        push    3
+        push    -1
+        push    -1
+        push    aError
+        call    SayErr
+        add     esp, 3*4
+        mov     ebx, readinfo
+        test    eax, eax
+        jz      .attr_retry
+        jmp     delete_active_screen
+.readok:
         call    viewer_set_keybar
         call    viewer_draw_text
         ret
@@ -118,10 +161,18 @@ viewer_get_next_char:
         mov     [readinfo.data], edi
         lea     eax, [ebp+viewer_data.filename]
         mov     [readinfo.name], eax
+.readretry:
         mov     ebx, readinfo
         push    70
         pop     eax
         int     40h
+        test    eax, eax
+        jz      .readok
+        cmp     eax, 6
+        jz      .readok
+        call    ask_retry_ignore
+        jz      .readretry
+.readok:
         sub     [ebp+viewer_data.buf_pos], 8192
         add     ebx, 16384-8192
         mov     [ebp+viewer_data.buf_size], ebx
@@ -781,6 +832,13 @@ viewer_seek:
         push    70
         pop     eax
         int     40h
+        test    eax, eax
+        jz      .readok
+        cmp     eax, 6
+        jz      .readok
+        call    ask_retry_ignore
+        jz      .doread
+.readok:
         cmp     ebx, [readinfo.size]
         jnz     @f
         add     ebx, [ebp+viewer_data.buf_size]
@@ -822,13 +880,44 @@ viewer_seek:
         mov     [ebx+12], eax
         lea     eax, [ebp+viewer_data.filename]
         mov     [ebx+21], eax
+@@:
         push    70
         pop     eax
         int     40h
+        test    eax, eax
+        jz      @f
+        cmp     eax, 6
+        jz      @f
+        call    ask_retry_ignore
+        jnz     @f
+        mov     ebx, readinfo
+        jmp     @b
+@@:
         sub     ebx, [readinfo.size]
         add     ebx, 16384
         jmp     .ret
 
+ask_retry_ignore:
+        push    esi
+        lea     esi, [ebp+viewer_data.filename]
+        push    esi
+        push    aCannotReadFile
+        call    get_error_msg
+        push    eax
+        mov     eax, esp
+        push    RetryOrIgnoreBtn
+        push    2
+        push    eax
+        push    3
+        push    -1
+        push    -1
+        push    aError
+        call    SayErr
+        add     esp, 3*4
+        pop     esi
+        test    eax, eax
+        ret
+
 viewer_set_curpos:
         mov     eax, [ebp+viewer_data.buf_pos]
         sub     eax, ebp