[U-Boot] [PATCH] disk: add -mno-unaligned-access to CFLAGS
Albert ARIBAUD
albert.u.boot at aribaud.net
Thu Mar 28 21:42:13 CET 2013
Hi Marc,
On Thu, 28 Mar 2013 19:57:31 +0100, Marc Dietrich <marvin24 at gmx.de>
wrote:
> Many on-disk structures used in the directory are accessed in a
> non aligned manner. gcc => 4.7 (and gcc-4.6 from Linaro) switched
> to -munaligned-access on default causing exceptions on ARM. The
> easiest way to fix this is to force no-unaligned-access in this
> (non speed critical) directory.
>
> Signed-off-by: Marc Dietrich <marvin24 at gmx.de>
> ---
> disk/Makefile | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/disk/Makefile b/disk/Makefile
> index 5affe34..01134a3 100644
> --- a/disk/Makefile
> +++ b/disk/Makefile
> @@ -24,6 +24,7 @@
> include $(TOPDIR)/config.mk
>
> #CFLAGS += -DET_DEBUG -DDEBUG
> +CFLAGS += -mno-unaligned-access
>
> LIB = $(obj)libdisk.o
Which fields, which structures, which files are affected by the
unalignment issue?
Amicalement,
--
Albert.
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