Determining an ARM CPU's architecture
tixy at yxit.co.uk
Mon Jul 4 19:55:10 UTC 2011
On Mon, 2011-07-04 at 15:45 -0400, Nicolas Pitre wrote:
> On Mon, 4 Jul 2011, Tixy wrote:
> > We've been talking about data-processing instructions but I've also done
> > similar for "ldr pc, [...]" as Arnd suggested that we might have single
> > kernel binaries that execute on both ARMv4 and v5 hardware.
> Sure, and I think we already do with some configurations. But in that
> case nothing should ever use Thumb mode in the kernel.
Should an ARMv7 kernel have code running in Thumb mode if it wasn't
configured with CONFIG_THUMB2_KERNEL?
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