258 lines
7.6 KiB
ObjectPascal
258 lines
7.6 KiB
ObjectPascal
// Copyright 2021 Aaron Hance
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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{
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Driver->Storage->StorageManagment Storage Managment System
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DEPRECATED unit
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@author(Aaron Hance ah@aaronhance.me)
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}
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unit storagemanagement;
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interface
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uses
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util,
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drivertypes,
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console,
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terminal,
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drivermanagement,
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lmemorymanager,
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strings,
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lists,
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tracer,
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rtc,
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MBR,
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volumemanager,
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storagetypes;
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type
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TDirectory_Entry_Type = (directoryEntry, fileEntry, mountEntry);
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APStorage_Volume = array[0..10] of PStorage_volume;
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byteArray8 = array[0..7] of char;
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PByteArray8 = ^byteArray8;
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PDirectory_Entry = ^TDirectory_Entry;
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PPWriteHook = procedure(volume : PStorage_volume; directory : pchar; entry : PDirectory_Entry; byteCount : uint32; buffer : puint32; statusOut : puint32);
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PPReadHook = function(volume : PStorage_Volume; directory : pchar; fileName : pchar; fileExtension : pchar; buffer : puint32; bytecount : puint32) : uint32;
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PPHIOHook = procedure(volume : PStorage_device; addr : uint32; sectors : uint32; buffer : puint32);
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PPCreateHook = procedure(disk : PStorage_Device; sectors : uint32; start : uint32; config : puint32);
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PPDetectHook = procedure(disk : PStorage_Device);
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PPCreateDirHook = procedure(volume : PStorage_volume; directory : pchar; dirname : pchar; attributes : uint32; status : puint32);
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PPReadDirHook = function(volume : PStorage_volume; directory : pchar; status : puint32) : PLinkedListBase; //returns: 0 = success, 1 = dir not exsist, 2 = not directory, 3 = error //returns: 0 = success, 1 = dir not exsist, 2 = not directory, 3 = error
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PPHIOHook_ = procedure;
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APStorage_Device = array[0..255] of PStorage_device;
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{ Generic directory entry }
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TDirectory_Entry = record
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{ Contains filename and optionally file extension, seperated by the last period.}
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fileName : pchar;
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entryType : TDirectory_Entry_Type;
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creationT : TDateTime;
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modifiedT : TDateTime;
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end;
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var
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storageDevices : PLinkedListBase; //index in this array is global drive id
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fileSystems : PLinkedListBase;
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rootVolume : PStorage_Volume = PStorage_Volume(0);
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procedure init();
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procedure register_device(device : PStorage_Device);
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function get_device_list() : PLinkedListBase;
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implementation
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function controller_type_2_string(controllerType : TControllerType) : pchar;
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begin
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case controllerType of
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ControllerIDE : controller_type_2_string:= 'IDE';
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ControllerUSB : controller_type_2_string:= 'USB';
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ControllerAHCI : controller_type_2_string:= 'ACHI (SATA)';
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ControllerNET : controller_type_2_string:= 'Net';
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end;
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end;
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{ Disk subcommand for listing drives }
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procedure ls_command(params : PParamList);
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var
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i : uint16;
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begin
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push_trace('storagemanagment.ls_command');
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//if no storage device print none found
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if LL_Size(storageDevices) < 1 then begin
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console.writestringlnWnd('No storage devices found.', getTerminalHWND());
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exit;
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end;
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//print number of storage devices
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console.writeintwnd(LL_Size(storageDevices), getTerminalHWND());
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console.writestringlnWnd(' devices found', getTerminalHWND());
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for i:=0 to LL_Size(storageDevices)-1 do begin
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//print device id and type
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console.writeintwnd(i, getTerminalHWND());
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console.writestringwnd(' - Device type: ', getTerminalHWND());
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console.writestringwnd(controller_type_2_string(PStorage_Device(LL_Get(storageDevices, i))^.controller), getTerminalHWND());
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console.writestringwnd(', ', getTerminalHWND());
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//print device capcity
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console.writestringwnd(' Capacity: ', getTerminalHWND());
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console.writeintwnd((( PStorage_Device(LL_Get(storageDevices, i))^.maxSectorCount * PStorage_Device(LL_Get(storageDevices, i))^.sectorSize) DIV 1024) DIV 1024, getTerminalHWND());
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console.writestringlnWnd('MB', getTerminalHWND());
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end;
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end;
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{ Disk subcommand for formatting drives }
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procedure format_command(params : PParamList);
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var
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driveIndex : uint16;
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drive : PStorage_Device;
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filesystemString : pchar;
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spc : puint32;
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sectorCount : uint32;
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volumeId : uint8;
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mb : PMaster_Boot_Record;
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i : uint32 = 0;
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begin
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//format <DRIVE_ID> <FILESYSTEM> <size>
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spc:= puint32(kalloc(4));
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spc^:= 1;
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driveIndex:= stringToInt( getParam(1, params) );
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drive:= PStorage_Device(LL_Get(storageDevices, driveIndex));
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filesystemString := getParam(2, params);
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sectorCount := stringToInt( getParam(4, params) );
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// if sector count is 0, use full drive
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if sectorCount = 0 then begin
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sectorCount := drive^.maxSectorCount - 10;
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end;
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//create MBR if none, and partition table
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mb := PMaster_Boot_Record(kalloc(sizeof(TMaster_Boot_Record)));
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drive^.readCallback(drive, 0, 1, PuInt32(mb));
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//check if MBR exists
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if not mb^.boot_sector = $55AA then begin
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//create MBR
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mb^.signature := $A570 + drive^.id;
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mb^.boot_sector := $55AA;
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//create partition table
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mbr.setup_partition(@mb^.partition[0], 2, sectorCount);
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//write MBR
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drive^.writeCallback(drive, 0, 1, puint32(mb));
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end;
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kfree(puint32(mb));
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//setup volume
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volumemanager.create_volume(drive, filesystemString, 2, sectorCount);
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writestringWnd('Drive ', getTerminalHWND);
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writeintWnd(driveIndex, getTerminalHWND);
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writestringlnWnd(' formatted.', getTerminalHWND);
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end;
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{ Command for managing and getting information from disks. }
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procedure disk_command(params : PParamList);
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var
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i : uint16;
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drive : uint16;
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subcmd : pchar;
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begin
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push_trace('StorageManagment.disk_command');
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//check if params wehre supplied
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if paramCount(params) = 0 then begin
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writestringlnWnd('Incorrect number of params.', getTerminalHWND);
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exit;
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end;
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subcmd:= getParam(0, params);
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//ls for listing storage devices
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if stringEquals(subcmd, 'ls') then begin
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ls_command(params);
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exit;
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end;
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//format command for clearing a disk and make a new volume
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if stringEquals(subcmd, 'format') then begin
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format_command(params);
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end;
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pop_trace();
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end;
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{ Initialise the storage manager }
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procedure init();
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begin
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push_trace('StorageManagment.init');
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setworkingdirectory('.');
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storageDevices:= ll_new(sizeof(TStorage_Device));
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terminal.registerCommand('DISK', @disk_command, 'Disk utility');
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end;
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{ Register a new drive with the storage manager }
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procedure register_device(device : PStorage_device);
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var
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i : uint8;
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elm : void;
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begin
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push_trace('StorageManagment.register_device');
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//add the drive to the list of storage devices.
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elm:= LL_Add(storageDevices);
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PStorage_device(elm)^ := device^;
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//create empty volume list for drive
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PStorage_Device(LL_Get(storageDevices, LL_Size(storageDevices) - 1))^.volumes := LL_New(sizeof(TStorage_Volume));
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//check for volumes
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pop_trace();
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end;
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function get_device_list() : PLinkedListBase;
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begin
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get_device_list:= storageDevices;
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end;
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end. |