69 lines
3.7 KiB
C
69 lines
3.7 KiB
C
/*****************************************************************************\
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* efs - General purpose Embedded Filesystem library *
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* --------------------- ----------------------------------- *
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* *
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* Filename : disc.c *
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* Description : This file contains the functions regarding the whole disc *
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* such as loading the MBR and performing read/write tests. *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; version 2 *
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* of the License. *
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*
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* As a special exception, if other files instantiate templates or *
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* use macros or inline functions from this file, or you compile this *
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* file and link it with other works to produce a work based on this file, *
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* this file does not by itself cause the resulting work to be covered *
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* by the GNU General Public License. However the source code for this *
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* file must still be made available in accordance with section (3) of *
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* the GNU General Public License. *
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* *
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* This exception does not invalidate any other reasons why a work based *
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* on this file might be covered by the GNU General Public License. *
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* *
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* (c)2006 Lennart Yseboodt *
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* (c)2006 Michael De Nil *
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\*****************************************************************************/
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/*****************************************************************************/
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#include "disc.h"
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/*****************************************************************************/
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/* ****************************************************************************
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* void disc_initDisc(Disc *disc,hcInterface* source)
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* Description: This initialises the disc by loading the MBR and setting the
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* pointer to the hardware object.
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*/
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void disc_initDisc(Disc *disc,IOManager* ioman)
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{
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disc->ioman=ioman;
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disc_setError(disc,DISC_NOERROR);
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disc_loadMBR(disc);
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}
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/*****************************************************************************/
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/* ****************************************************************************
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* void disc_loadMBR(Disc *disc)
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* Description: This functions copies the partitiontable to the partitions field.
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*/
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void disc_loadMBR(Disc *disc)
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{
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euint8 x;
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euint8 *buf;
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buf=ioman_getSector(disc->ioman,LBA_ADDR_MBR,IOM_MODE_READONLY|IOM_MODE_EXP_REQ);
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for(x=0;x<4;x++){
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ex_getPartitionField(buf,&(disc->partitions[x]),PARTITION_TABLE_OFFSET+(x*SIZE_PARTITION_FIELD));
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}
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ioman_releaseSector(disc->ioman,buf);
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}
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/*****************************************************************************/
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