Subject: Re: ELF ABI query
To: None <>
From: Richard Earnshaw <>
List: port-arm
Date: 11/30/2001 18:28:14
> On Fri, Nov 30, 2001 at 09:44:26AM -0800, Matt Thomas wrote:
>  > Can you disable unaligned access (so they cause a trap)?
> It is possible to do so, I believe; I'll have to peek at the ARM ARM
> again.

Yes, on some processors, it depends on the MMU.  If it is supported it is 
controlled by bit 1 of cp15 r1.  Use CPU_CONTROL_AFLT_ENABLE from 

>  > If so, should we enable it when loading ELF programs?
> That certainly might be useful; it would save a lot of debugging, I'm sure.

Yes.  Certainly we should try to make use of this feature.