On Wed, May 22, 2013 at 11:48 AM, Stephen Warren <[email protected]>wrote:
> From: Stephen Warren <[email protected]> > > Initialized character arrays on the stack can cause gcc to emit code that > performs unaligned accessess. Make the data static to avoid this. > > Note that the unaligned accesses are made when copying data to prefix[] on > the stack from .rodata. By making the data static, the copy is completely > avoided. All explicitly written code treats the data as u8[], so will never > cause any unaligned accesses. > > Signed-off-by: Stephen Warren <[email protected]> > Acked-by: Simon Glass <[email protected]> Thanks for fixing. I hit this with gcc 4.7. I wonder if previous revisions would not make this assumption? Another problem I have is that the 'linux' in 'linux,keymap' in the device compile turns into '1' since gcc predefines 'linux' to 1: I think I'm going to add a -Ulinux to dts/Makefile. Regards. Simon
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