In article <20140914173906.a22b...@cvs.netbsd.org>, NONAKA Kimihiro <source-changes-d@NetBSD.org> wrote: >Module Name: src >Committed By: nonaka >Date: Sun Sep 14 17:39:06 UTC 2014 > >Modified Files: > src/sys/sys: bootblock.h > >Log Message: >Avoid data abort at >src/sys/dev/dkwedge/dkwedge_apple.c:swap_apple_drvr_descriptor() on >zaurus. > >apple_drvr_map.sb_dd (struct apple_drvr_descriptor) isn't located in the >address is 4 bytes alignment. Unaligned address is passed from >dkwedge_apple.c:swap_apple_drvr_map to >dkwedge_apple.c:swap_apple_drvr_descriptor(). data abort occurs when >read 4 bytes from that address for read apple_drvr_descriptor.descBlock.
Perhaps it is better to memcpy the data to some aligned struct rather than referencing it directly and making it packed (which is not portable). christos
