Single zImage and A15/LPAE

Catalin Marinas catalin.marinas at arm.com
Thu May 30 12:56:21 EDT 2013


On Wed, May 29, 2013 at 10:51:40PM +0100, Arnd Bergmann wrote:
> On Wednesday 29 May 2013, Catalin Marinas wrote:
> > > I think to do this right, we need to treat ARMv7+LPAE as a separate
> > > architecture level, just like we treat ARMv6, ARMv7 as separate
> > > compatible architectures. BTW, is there an official name for that
> > > architecture?
> > 
> > The official is Large Physical Address Extension which is an extension
> > to ARMv7, so not a new architecture.
> 
> Ah, too bad. I had hoped there were still postfixes like v6K or v4T.
> I guess there is no complete list of ARMv7 extensions anywhere, right?

It's the ARM ARM, though not a list. With ARMv7 we moved away from
adding suffixes to the architecture number and introduced the CPUID
scheme to check for what's available on a CPU.

-- 
Catalin



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