fb86c01bbb
Build folder for estonian language. git-svn-id: svn://kolibrios.org@3927 a494cfbc-eb01-0410-851d-a64ba20cac60
683 lines
17 KiB
PHP
683 lines
17 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; ;;
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;; System service for filesystem call ;;
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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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;; expiration hd_wait_timeout (for LBA) - Mario79 ;;
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;; 15.01.2005 get file size/attr/date, ;;
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;; file_append (only for hd) - 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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;; 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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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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iglobal
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if lang eq sp
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include 'fs/fs-sp.inc'
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else if lang eq et
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include 'fs/fs-et.inc'
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else
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dir0:
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db 'HARDDISK '
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db 'RAMDISK '
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db 'FLOPPYDISK '
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db 0
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dir1:
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db 'FIRST '
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db 'SECOND '
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db 'THIRD '
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db 'FOURTH '
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db 0
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end if
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not_select_IDE db 0
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hd_address_table:
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dd 0x1f0,0x00,0x1f0,0x10
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dd 0x170,0x00,0x170,0x10
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endg
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file_system:
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; IN:
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;
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; eax = 0 ; read file /RamDisk/First 6
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; eax = 8 ; lba read
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; eax = 15 ; get_disk_info
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;
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; OUT:
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;
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; eax = 0 : read ok
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; eax = 1 : no hd base and/or partition defined
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; eax = 2 : function is unsupported for this FS
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; eax = 3 : unknown FS
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; eax = 4 : partition not defined at hd
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; eax = 5 : file not found
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; eax = 6 : end of file
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; eax = 7 : memory pointer not in application area
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; eax = 8 : disk full
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; eax = 9 : fat table corrupted
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; eax = 10 : access denied
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; eax = 11 : disk error
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;
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; ebx = size
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; \begin{diamond}[18.03.2006]
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; for subfunction 16 (start application) error codes must be negative
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; because positive values are valid PIDs
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; so possible return values are:
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; eax > 0 : process created, eax=PID
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; -0x10 <= eax < 0 : -eax is filesystem error code:
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; eax = -1 = 0xFFFFFFFF : no hd base and/or partition defined
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; eax = -3 = 0xFFFFFFFD : unknown FS
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; eax = -5 = 0xFFFFFFFB : file not found
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; eax = -6 = 0xFFFFFFFA : unexpected end of file (probably not executable file)
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; eax = -9 = 0xFFFFFFF7 : fat table corrupted
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; eax = -10 = 0xFFFFFFF6 : access denied
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; -0x20 <= eax < -0x10: eax is process creation error code:
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; eax = -0x20 = 0xFFFFFFE0 : too many processes
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; eax = -0x1F = 0xFFFFFFE1 : not Menuet/Kolibri executable
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; eax = -0x1E = 0xFFFFFFE2 : no memory
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; ebx is not changed
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; \end{diamond}[18.03.2006]
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; Extract parameters
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; add eax, std_application_base_address ; abs start of info block
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cmp dword [eax+0], 15; GET_DISK_INFO
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je fs_info
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cmp dword [CURRENT_TASK], 1; no memory checks for kernel requests
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jz no_checks_for_kernel
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mov edx, eax
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cmp dword [eax+0], 1
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jnz .usual_check
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mov ebx, [eax+12]
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; add ebx,std_application_base_address
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mov ecx, [eax+8]
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call check_region
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test eax, eax
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jnz area_in_app_mem
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.error_output:
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mov esi, buffer_failed
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call sys_msg_board_str
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; mov eax,7
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mov dword [esp+36], 7
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ret
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iglobal
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buffer_failed db 'K : Buffer check failed',13,10,0
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endg
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.usual_check:
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cmp dword [eax+0], 0
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mov ecx, 512
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jnz .small_size
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mov ecx, [eax+8]
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shl ecx, 9
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.small_size:
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mov ebx, [eax+12]
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; add ebx,std_application_base_address
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call check_region
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test eax, eax
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jz .error_output
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area_in_app_mem:
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mov eax, edx
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no_checks_for_kernel:
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fs_read:
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mov ebx, [eax+20] ; program wants root directory ?
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test bl, bl
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je fs_getroot
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test bh, bh
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jne fs_noroot
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fs_getroot:
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; \begin{diamond}[18.03.2006]
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; root - only read is allowed
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; other operations return "access denied", eax=10
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; (execute operation returns eax=-10)
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cmp dword [eax], 0
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jz .read_root
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mov dword [esp+36], 10
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ret
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.read_root:
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; \end{diamond}[18.03.2006]
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mov esi, dir0
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mov edi, [eax+12]
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; add edi,std_application_base_address
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mov ecx, 11
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push ecx
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; cld ; already is
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rep movsb
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mov al, 0x10
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stosb
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add edi, 32-11-1
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pop ecx
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rep movsb
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stosb
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and dword [esp+36], 0; ok read
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mov dword [esp+24], 32*2; size of root
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ret
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fs_info: ;start of code - Mihasik
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push eax
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cmp [eax+21], byte 'r'
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je fs_info_r
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cmp [eax+21], byte 'R'
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je fs_info_r
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mov eax, 3 ;if unknown disk
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xor ebx, ebx
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xor ecx, ecx
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xor edx, edx
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jmp fs_info1
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fs_info_r:
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call ramdisk_free_space;if ramdisk
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mov ecx, edi ;free space in ecx
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shr ecx, 9 ;free clusters
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mov ebx, 2847 ;total clusters
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mov edx, 512 ;cluster size
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xor eax, eax ;always 0
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fs_info1:
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pop edi
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mov [esp+36], eax
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mov [esp+24], ebx ; total clusters on disk
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mov [esp+32], ecx ; free clusters on disk
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mov [edi], edx ; cluster size in bytes
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ret ;end of code - Mihasik
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fs_noroot:
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push dword [eax+0] ; read/write/delete/.../makedir/rename/lba/run
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push dword [eax+4] ; 512 block number to read
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push dword [eax+8] ; bytes to write/append or 512 blocks to read
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mov ebx, [eax+12]
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; add ebx,std_application_base_address
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push ebx ; abs start of return/save area
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lea esi, [eax+20] ; abs start of dir + filename
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mov edi, [eax+16]
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; add edi,std_application_base_address ; abs start of work area
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call expand_pathz
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push edi ; dir start
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push ebx ; name of file start
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mov eax, [edi+1]
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cmp eax, 'RD '
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je fs_yesramdisk
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cmp eax, 'RAMD'
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jne fs_noramdisk
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fs_yesramdisk:
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cmp byte [edi+1+11], 0
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je fs_give_dir1
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mov eax, [edi+1+12]
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cmp eax, '1 '
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je fs_yesramdisk_first
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cmp eax, 'FIRS'
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jne fs_noramdisk
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fs_yesramdisk_first:
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cmp dword [esp+20], 8; LBA read ramdisk
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jne fs_no_LBA_read_ramdisk
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mov eax, [esp+16] ; LBA block to read
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mov ecx, [esp+8] ; abs pointer to return area
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call LBA_read_ramdisk
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jmp file_system_return
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fs_no_LBA_read_ramdisk:
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cmp dword [esp+20], 0; READ
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jne fs_noramdisk_read
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mov eax, [esp+4] ; fname
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add eax, 2*12+1
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mov ebx, [esp+16] ; block start
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inc ebx
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mov ecx, [esp+12] ; block count
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mov edx, [esp+8] ; return
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mov esi, [esp+0]
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sub esi, eax
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add esi, 12+1 ; file name length
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call fileread
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jmp file_system_return
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fs_noramdisk_read:
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fs_noramdisk:
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;********************************************************************
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mov eax, [edi+1]
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cmp eax, 'FD '
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je fs_yesflpdisk
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cmp eax, 'FLOP'
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jne fs_noflpdisk
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fs_yesflpdisk:
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call reserve_flp
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cmp byte [edi+1+11], 0
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je fs_give_dir1
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mov eax, [edi+1+12]
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cmp eax, '1 '
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je fs_yesflpdisk_first
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cmp eax, 'FIRS'
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je fs_yesflpdisk_first
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cmp eax, '2 '
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je fs_yesflpdisk_second
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cmp eax, 'SECO'
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jne fs_noflpdisk
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jmp fs_yesflpdisk_second
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fs_yesflpdisk_first:
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mov [flp_number], 1
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jmp fs_yesflpdisk_start
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fs_yesflpdisk_second:
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mov [flp_number], 2
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fs_yesflpdisk_start:
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cmp dword [esp+20], 0; READ
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jne fs_noflpdisk_read
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mov eax, [esp+4] ; fname
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add eax, 2*12+1
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mov ebx, [esp+16] ; block start
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inc ebx
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mov ecx, [esp+12] ; block count
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mov edx, [esp+8] ; return
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mov esi, [esp+0]
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sub esi, eax
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add esi, 12+1 ; file name length
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call floppy_fileread
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jmp file_system_return
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fs_noflpdisk_read:
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fs_noflpdisk:
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;*****************************************************************
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old_path_harddisk:
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mov eax, [edi+1]
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cmp eax, 'HD '
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je fs_yesharddisk
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cmp eax, 'HARD'
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jne fs_noharddisk
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fs_yesharddisk:
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cmp dword [esp+20], 8; LBA read
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jne fs_no_LBA_read
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mov eax, [esp+16] ; LBA block to read
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lea ebx, [edi+1+12] ; pointer to FIRST/SECOND/THIRD/FOURTH
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mov ecx, [esp+8] ; abs pointer to return area
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call LBA_read
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jmp file_system_return
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fs_no_LBA_read:
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hd_err_return:
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fs_noharddisk:
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; \begin{diamond}[18.03.2006]
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mov eax, 5 ; file not found
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; а может быть, возвращать другой код ошибки?
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mov ebx, [esp+24+24]; do not change ebx in application
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; \end{diamond}[18.03.2006]
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file_system_return:
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add esp, 24
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mov [esp+36], eax
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mov [esp+24], ebx
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ret
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fs_give_dir1:
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; \begin{diamond}[18.03.2006]
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; /RD,/FD,/HD - only read is allowed
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; other operations return "access denied", eax=10
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; (execute operation returns eax=-10)
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cmp dword [esp+20], 0
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jz .read
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add esp, 20
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pop ecx
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mov dword [esp+36], 10
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ret
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.read:
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; \end{diamond}[18.03.2006]
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mov al, 0x10
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mov ebx, 1
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mov edi, [esp+8]
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mov esi, dir1
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fs_d1_new:
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mov ecx, 11
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; cld
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rep movsb
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stosb
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add edi, 32-11-1
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dec ebx
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jne fs_d1_new
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add esp, 24
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and dword [esp+36], 0; ok read
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mov dword [esp+24], 32*1; dir/data size
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ret
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LBA_read_ramdisk:
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cmp [lba_read_enabled], 1
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je lbarrl1
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xor ebx, ebx
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mov eax, 2
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ret
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lbarrl1:
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cmp eax, 18*2*80
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jb lbarrl2
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xor ebx, ebx
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mov eax, 3
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ret
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lbarrl2:
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pushad
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call restorefatchain
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mov edi, ecx
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mov esi, eax
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shl esi, 9
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add esi, RAMDISK
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mov ecx, 512/4
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; cld
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rep movsd
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popad
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xor ebx, ebx
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xor eax, eax
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ret
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LBA_read:
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; IN:
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;
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; eax = LBA block to read
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; ebx = pointer to FIRST/SECOND/THIRD/FOURTH
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; ecx = abs pointer to return area
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cmp [lba_read_enabled], 1
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je lbarl1
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mov eax, 2
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ret
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lbarl1:
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pushad
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mov ecx, ide_mutex
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call mutex_lock
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popad
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push eax
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push ecx
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mov edi, hd_address_table
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mov esi, dir1
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mov eax, [ebx]
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mov edx, '1 '
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mov ecx, 4
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blar0:
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cmp eax, [esi]
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je blar2
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cmp eax, edx
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je blar2
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inc edx
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add edi, 8
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add esi, 11
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dec ecx
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jnz blar0
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mov eax, 1
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mov ebx, 1
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jmp LBA_read_ret
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blar2:
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mov eax, [edi+0]
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mov ebx, [edi+4]
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mov [hdbase], eax
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mov [hdid], ebx
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call wait_for_hd_idle
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cmp [hd_error], 0
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jne hd_lba_error
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; eax = hd port
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; ebx = set for primary (0x00) or slave (0x10)
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cli
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mov edx, eax
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inc edx
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xor eax, eax
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out dx, al
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inc edx
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inc eax
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out dx, al
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inc edx
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mov eax, [esp+4]
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out dx, al
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shr eax, 8
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inc edx
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out dx, al
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shr eax, 8
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inc edx
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out dx, al
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shr eax, 8
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inc edx
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and al, 1+2+4+8
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add al, bl
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add al, 128+64+32
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out dx, al
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inc edx
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mov al, 20h
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out dx, al
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sti
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call wait_for_sector_buffer
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cmp [hd_error], 0
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jne hd_lba_error
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cli
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mov edi, [esp+0]
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mov ecx, 256
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sub edx, 7
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cld
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rep insw
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sti
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xor eax, eax
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xor ebx, ebx
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LBA_read_ret:
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mov [hd_error], 0
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mov [hd1_status], 0
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add esp, 2*4
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pushad
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mov ecx, ide_mutex
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call mutex_unlock
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popad
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ret
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expand_pathz:
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; IN:
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; esi = asciiz path & file
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; edi = buffer for path & file name
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; OUT:
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; edi = directory & file : / 11 + / 11 + / 11 - zero terminated
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; ebx = /file name - zero terminated
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; esi = pointer after source
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push eax
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push ecx
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push edi;[esp+0]
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pathz_start:
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mov byte [edi], '/'
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inc edi
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mov al, 32
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mov ecx, 11
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cld
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rep stosb ; clear filename area
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sub edi, 11
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mov ebx, edi ; start of dir/file name
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pathz_new_char:
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mov al, [esi]
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inc esi
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cmp al, 0
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je pathz_end
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cmp al, '/'
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jne pathz_not_path
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cmp edi, ebx ; skip first '/'
|
||
jz pathz_new_char
|
||
lea edi, [ebx+11] ; start of next directory
|
||
jmp pathz_start
|
||
|
||
pathz_not_path:
|
||
cmp al, '.'
|
||
jne pathz_not_ext
|
||
lea edi, [ebx+8] ; start of extension
|
||
jmp pathz_new_char
|
||
|
||
pathz_not_ext:
|
||
cmp al, 'a'
|
||
jb pathz_not_low
|
||
cmp al, 'z'
|
||
ja pathz_not_low
|
||
sub al, 0x20 ; char to uppercase
|
||
|
||
pathz_not_low:
|
||
mov [edi], al
|
||
inc edi
|
||
mov eax, [esp+0] ; start_of_dest_path
|
||
add eax, 512 ; keep maximum path under 512 bytes
|
||
cmp edi, eax
|
||
jb pathz_new_char
|
||
|
||
pathz_end:
|
||
cmp ebx, edi ; if path end with '/'
|
||
jnz pathz_put_zero ; go back 1 level
|
||
sub ebx, 12
|
||
|
||
pathz_put_zero:
|
||
mov byte [ebx+11], 0
|
||
dec ebx ; include '/' char into file name
|
||
pop edi
|
||
pop ecx
|
||
pop eax
|
||
ret
|
||
|
||
;*******************************************
|
||
;* string to number
|
||
;* input eax - 4 byte string
|
||
;* output eax - number
|
||
;*******************************************
|
||
StringToNumber:
|
||
; ПЕРЕВОД СТРОКОВОГО ЧИСЛА В ЧИСЛОВОЙ ВИД
|
||
; Вход:
|
||
; EDI - адрес строки с числом. Конец числа отмечен кодом 0Dh
|
||
; Выход:
|
||
; CF - индикатор ошибок:
|
||
; 0 - ошибок нет;
|
||
; 1 - ошибка
|
||
; Если CF=0, то AX - число.
|
||
|
||
push bx
|
||
push cx
|
||
push dx
|
||
push edi
|
||
mov [partition_string], eax
|
||
mov edi, partition_string
|
||
xor cx, cx
|
||
i1:
|
||
mov al, [edi]
|
||
cmp al, 32;13
|
||
je i_exit
|
||
; cmp al,'0'
|
||
; jb err
|
||
; cmp al,'9'
|
||
; ja err
|
||
sub al, 48
|
||
shl cx, 1
|
||
jc error
|
||
mov bx, cx
|
||
shl cx, 1
|
||
jc error
|
||
shl cx, 1
|
||
jc error
|
||
add cx, bx
|
||
jc error
|
||
cbw
|
||
add cx, ax
|
||
jc error
|
||
i3:
|
||
inc edi
|
||
jmp i1
|
||
i_exit:
|
||
mov ax, cx
|
||
clc
|
||
i4:
|
||
movzx eax, ax
|
||
pop edi
|
||
pop dx
|
||
pop cx
|
||
pop bx
|
||
ret
|
||
|
||
error:
|
||
stc
|
||
jmp i4
|
||
|
||
partition_string:
|
||
dd 0
|
||
db 32
|