Re: [PATCH 00/36] AArch64 Linux kernel port

[Geert Uytterhoeven]

On Mon, Jul 9, 2012 at 4:01 AM, Jon Masters <jonathan@xxxxxxxxxxxxxx> wrote:
> On 07/08/2012 06:24 PM, Dennis Gilmore wrote:
>> I know that the architecture really is new but thats not really clear
>> by adding AArch32 into the mix to represent 32 bit arm as ARM has done
>> or by calling it armv8. There is enough way to confuse them already why
>> confuse things more by adding yet another variable that is AArch64.
>> - From my and most of the other Fedora developers that i've discussed it
>> with its more like reluctant acceptance of AArch64 than thinking is a
>> good idea.
>
> btw, for clarification of anyone who is confused by the names...the new
> architecture is ARMv8. The 64-bit state is AArch64, during which the
> processor executes A64 instructions. The 32-bit state is AArch32, during
> which the processor executes either A32 ("ARM" version 7+) or T32
> ("Thumb" - I guess Thumb2+ really due to some of deprecation)
> instructions. I've noticed that there appears to be a clarification
> effort in which AArch64 is used as an architecture name when ARMv8 would
> be confusing, which is most of the time if you don't know whether you're
> referring to the new A64 instruction set or the older ones.

Ah, A64... sounds better than AArch64... Even AA64 sounds better than
AArch64....

> Perhaps this is useful if someone is trying to figure out heads or tails
> of the different terms.

Many thanks! I was just googleing what this "T32" thingy was...

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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