Re: [gentoo-mips] Reducing the number of the MIPS supported stages

["Anthony G. Basile" <basile@opensource.dyc.edu>]

On 05/06/2014 03:07 AM, Markos Chandras wrote:
> On 05/06/2014 01:09 AM, Joshua Kinard wrote:
>> On 05/05/2014 19:36, Matt Turner wrote:
>>> On Mon, May 5, 2014 at 3:02 PM, Joshua Kinard <kumba@gentoo.org> wrote:
>>>> I cannot speak for anything outside of the standard/original MIPS ISAs, but
>>>> I thought we killed off mips1 long ago.  When did that come back?  Almost
>>>> anything out there should be able to handle mips2 at a bare minimum (only
>>>> R2000 and R3000-based systems, like certain DECStations, would need mips1).
>>>>   mips2 is also the branch point for the mips32r* ISAs, so if any of the
>>>> original, 32-bit ISAs should be kept, that would be mips2.  mips1 can go.
>>>
>>> We've had this discussion before. If you're going to have >mips2
>>> stages, then there's zero reason to have mips2 stages since mips2
>>> effectively doesn't exist.
>>
>> It's been a while, but I thought we only kept a mips2 stage1 around for
>> those that wanted a baseline to build their own stage2 or stage3's from.
>> You can do this with a mips1 as well, but mips2 is, more or less, the
>> baseline from which all other possible ISAs and stages can be built from, as
>> long as you don't care about R2k or R3k CPUs.  stage3's can be the higher
>> mips32r* ISAs.
>>
>> I personally don't see a point in having mips1 or mips2 stage3's, only a
>> stage1 to use as a bootstrap for new machines or ISAs.
>>
>
> (picking up a random thread)
>
> Ok thanks for the replies.
>
> Ok I think it's safe to proceed with the following:
> - Stop mips1 builds (we don't have mips2)
> - Reduce the frequency to once-a-year for mips3 and mips4. Updating
> these stages every year with catalyst will be a lot of fun ;)
>
> @kumba: You mentioned too many times that I wanted to "drop" support for
> mips3 and mips4. I never said that (I am sort-of tired keep repeating
> that). All I said (again) was to reduce the frequency or stop building
> them at all. Users can still get an existing mips3/mips4 stage3 and
> update themselves
>

mipsel3 is used for the lemote.  Are you sure we should drop it?

-- 
Anthony G. Basile, Ph. D.
Chair of Information Technology
D'Youville College
Buffalo, NY 14201
(716) 829-8197