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/*------------------------------------------------------------------------------
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-- This file is a part of the libuc, microcontroler library
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-- Copyright (C) 2012, Alexis Jeandet
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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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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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------
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-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@gmail.com
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-------------------------------------------------------------------------------*/
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#include "mbr.h"
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#include <stdio.h>
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int mbropen(blkdevice* phy,dikpartition* part,char partNum)
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{
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printf("enter MBR open function\n");
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char mbr[512];
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if((part==0) || (phy ==0) || (partNum>4) || (partNum==0) ) return MBRBabArg;
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part->phy = phy;
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if(phy->read(phy,mbr,0,1)!=RES_OK)
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{
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printf("can't read MBR!\n");
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printf("%x %x %x %x %x %x %x %x\n",mbr[0],mbr[1],mbr[2],mbr[3],mbr[4],mbr[5],mbr[6],mbr[7]);
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return MBRReadErr;
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}
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if(((mbr[510]) == (char)0x55) && ((mbr[511]) == (char)0xAA))
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{
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part->TypeCode = mbr[(512-82+TypeCodeoffset)+partNum*16];
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part->LBABegin = (unsigned int)mbr[(512-82+LBABeginoffset)+partNum*16] + ((unsigned int)mbr[(512-82+LBABeginoffset+1)+partNum*16]<<8)+ ((unsigned int)mbr[(512-82+LBABeginoffset+2)+partNum*16]<<16)+ ((unsigned int)mbr[(512-82+LBABeginoffset+3)+partNum*16]<<24);
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part->NumOfSec = (unsigned int)mbr[(512-82+NumOfSecoffset)+partNum*16] + ((unsigned int)mbr[(512-82+NumOfSecoffset+1)+partNum*16]<<8)+ ((unsigned int)mbr[(512-82+NumOfSecoffset+2)+partNum*16]<<16)+ ((unsigned int)mbr[(512-82+NumOfSecoffset+3)+partNum*16]<<24);
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printf("MBR Ok\n");
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return MBRnoErr;
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}
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printf("Bad MBR MBR[510]=0x%.2X MBR[511]=0x%.2X!\n",0xff&mbr[510],0xff&mbr[511]);
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return MBRBadMbr;
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}
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