[RFC][PATCH 0/2] Make sparcv8 work again on cas enabled hardware

[Richard Henderson]

On 11/04/2016 09:31 AM, David Miller wrote:
> From: Richard Henderson <rth@twiddle.net>
>> The CAS for leon userspace uses ASI_USERDATA (0x0A), not the v9 ASI_P
>> (0x80). It's a really annoying difference that I wish the cpu
>> designers hadn't made.
>
> I don't think they had much choice in the matter given how the ASIs
> are doled out in v9 vs. pre-v9. :-/
>

I didn't think 0x80 was used for anything else on v8, or leon specifically. 
AFAICS it could easily have been made an alias for 0x0A internally.

But oh well, it's done.


r~