kotovalexarian-likes-gitlab/sortix--sortix
1
0
Fork 0
mirror of https://gitlab.com/sortix/sortix.git synced 2023-02-13 20:55:38 -05:00
Code Releases Activity

Fix mbrfs partition size and length calculation.

Browse source
This commit is contained in:
Jonas 'Sortie' Termansen 2014-09-30 17:43:31 +02:00
parent a6bb538bcf
commit 24d8725a3e
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
mbr/mbrfs.cpp
View file

@ -90,23 +90,23 @@ bool is_extended_partition(const struct partition* partition)
uint64_t partition_get_start(const struct partition* partition) uint64_t partition_get_start(const struct partition* partition)
{ {
if ( !is_48bit_lba_partition(partition) ) if ( !is_48bit_lba_partition(partition) )
return partition->start_sector * 512; return (uint64_t) partition->start_sector * 512;
const struct partition_lba48* partition_lba48 = const struct partition_lba48* partition_lba48 =
(const struct partition_lba48*) partition; (const struct partition_lba48*) partition;
uint64_t lower = partition_lba48->start_sector; uint64_t lower = partition_lba48->start_sector;
uint64_t higher = partition_lba48->start_sector_high; uint64_t higher = partition_lba48->start_sector_high;
return ((lower << 48) + higher) * 512; return ((higher << 32) + lower) * 512;
} }
uint64_t partition_get_length(const struct partition* partition) uint64_t partition_get_length(const struct partition* partition)
{ {
if ( !is_48bit_lba_partition(partition) ) if ( !is_48bit_lba_partition(partition) )
return partition->total_sectors * 512; return (uint64_t) partition->total_sectors * 512;
const struct partition_lba48* partition_lba48 = const struct partition_lba48* partition_lba48 =
(const struct partition_lba48*) partition; (const struct partition_lba48*) partition;
uint64_t lower = partition_lba48->total_sectors; uint64_t lower = partition_lba48->total_sectors;
uint64_t higher = partition_lba48->total_sectors_high; uint64_t higher = partition_lba48->total_sectors_high;
return ((lower << 48) + higher) * 512; return ((higher << 32) + lower) * 512;
} }
bool is_partition_used(const struct partition* partition) bool is_partition_used(const struct partition* partition)