Re: [Qemu-devel] [PATCH 2/7] target-alpha: Turn CPU definitions into subclasses

[Richard Henderson <rth@twiddle.net>]

On 2012-12-06 04:11, Andreas Färber wrote:
>> The "2*" names are aliases of the "ev*" names.  There's no need for so
>> much duplication.  And for that matter, "ev68" is no different from "ev67"
>> at the level for which we emulate.  In hw, it was more cache and a faster
>> multiply implementation.
> 
> Clearly I know little to nothing about Alpha CPU models. :)
> Regarding ev68, we'll need to carry it for backwards compatibility; can
> we assume that the Alpha ISA is dead? Then I could drop this shrinking
> array and make, e.g., ev68 a trivial subclass of ev67.

Yes, the ISA is dead.  We're also nearing the end of "extended" hardware
support for Alpha systems from HP.

> The name scheme we are heading towards now looks like <name>-alpha-cpu.
> Did I understand you correctly that we would want, e.g., ev4-alpha-cpu
> as type and have "21064" map to it?

Correct.  That corresponds more closely to how the compiler tools are
configured (e.g. alphaev67-linux, not alpha21164-linux).


r~