48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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*
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* This document is the property of Apple Computer, Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Computer, Inc.
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*/
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#include <debug.h>
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#include <compiler.h>
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#include <lib/partition.h>
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#include <lib/blockdev.h>
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#include "partition_private.h"
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int
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mbr_scan(struct mbr_partition *part, struct blockdev *dev, struct partition_entry *entry_list)
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{
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uint32_t i;
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int scanned_entries = 0;
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for (i=0; i < MBR_PARTITIONS; i++) {
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dprintf(DEBUG_SPEW, "MBR part %d: id 0x%x, startlba %d, sizelba %d\n", i, part[i].sysid, part[i].startlba, part[i].size);
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/* needs to be spiffed up a bit, but detect based on id */
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if (part[i].sysid != 0) {
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off_t offset;
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off_t len;
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offset = (off_t)part[i].startlba << dev->block_shift;
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len = (off_t)part[i].size << dev->block_shift;
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entry_list[scanned_entries].id = part[i].sysid;
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entry_list[scanned_entries].valid = true;
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entry_list[scanned_entries].offset = offset;
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entry_list[scanned_entries].len = len;
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dprintf(DEBUG_SPEW, "MBR part %d: id 0x%x, off 0x%llx, size 0x%llx, blocksize %d\n", scanned_entries, part[i].sysid,
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entry_list[scanned_entries].offset, entry_list[scanned_entries].len, dev->block_size);
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scanned_entries++;
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}
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}
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return scanned_entries;
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}
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