[OpenBIOS] [commit] r1162 - trunk/openbios-devel/fs/hfsplus

repository service svn at openbios.org
Tue Jun 25 19:23:10 CEST 2013


Author: agraf
Date: Tue Jun 25 19:23:09 2013
New Revision: 1162
URL: http://tracker.coreboot.org/trac/openbios/changeset/1162

Log:
hfsplus: Fix disk support for disks > 4GB

The HFS+ driver was truncating the end of the disk to 32bit implicitly
by multiplying a 32bit value with another 32bit value. Cast the first one
to 64bit, making the result 64bit wide as well.

This fixes booting from big disks for me.

Signed-off-by: Alexander Graf <agraf at suse.de>

Modified:
   trunk/openbios-devel/fs/hfsplus/hfsp_volume.c

Modified: trunk/openbios-devel/fs/hfsplus/hfsp_volume.c
==============================================================================
--- trunk/openbios-devel/fs/hfsplus/hfsp_volume.c	Tue Jun 25 18:11:57 2013	(r1161)
+++ trunk/openbios-devel/fs/hfsplus/hfsp_volume.c	Tue Jun 25 19:23:09 2013	(r1162)
@@ -207,7 +207,7 @@
                 ret = volume_readbuf(vh, p);
 		if( !ret ) {
 		    /* When reading the initial partition we must use 512 byte blocks */
-		    vol_size = vh->blocksize * vh->total_blocks;
+		    vol_size = (uint64_t)vh->blocksize * vh->total_blocks;
 		    vol->maxblocks = vol_size / HFSP_BLOCKSZ;
 		}
 		



More information about the OpenBIOS mailing list