Re: HEADS UP: matt-nb5-mips64 merge to HEAD
Matt Thomas
On Jan 4, 2011, at 2:48 AM, haad wrote:
> On Tue, Jan 4, 2011 at 11:42 AM, Matt Thomas <ma...@3am-software.com> wrote:
>> I've spent the past few days merging my matt-nb5-mips64 to HEAD.
>>
>> It's now in a state almost ready to commit. This affects every mips port in a major way. Several thing change (IPL/spl code, interrupts, soft interrupts, pmap, tlb, ...) in various major ways. This could almost be considered a rewrite of the mips code.
>
> Great :) This merge will make mips second most SMP ready platform in NetBSD.
Oh, this includes SMP support for some MIPS processors too. But it's still a little buggy. Part of this effort is to see if -HEAD acts differently than netbsd-5.
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Simon Burge
> I've spent the past few days merging my matt-nb5-mips64 to HEAD.
>
> It's now in a state almost ready to commit. This affects every mips
> port in a major way. Several thing change (IPL/spl code, interrupts,
> soft interrupts, pmap, tlb, ...) in various major ways. This could
> almost be considered a rewrite of the mips code.
>
> This merge affects over 400 lines in sys/arch alone. There is bound to
> be breakage since I can't test all platforms but I will try to fix
> things ASAP.
Can you please test some reasonable combinations _before_ you merge
to head this time? Based on previous experiences I think we at least
need to see an example of working MIPS1, MIPS32 and 32-bit and 64-bit
MIPS3/MIPS64 this time around before we can even consider that a merge
can take place.
Cheers,
Simon.
Matt Thomas
On Jan 4, 2011, at 3:04 AM, Antti Kantee wrote:
> On Tue, Jan 04, 2011 at 02:42:35AM -0800, Matt Thomas wrote:
>> I've spent the past few days merging my matt-nb5-mips64 to HEAD.
>>
>> It's now in a state almost ready to commit. This affects every mips port in a major way. Several thing change (IPL/spl code, interrupts, soft interrupts, pmap, tlb, ...) in various major ways. This could almost be considered a rewrite of the mips code.
>>
>> This merge affects over 400 lines in sys/arch alone. There is bound to be breakage since I can't test all platforms but I will try to fix things ASAP.
>>
>> After the merge is done, a few things will still need to be done:
>>
>> 1) make struct disklabel 64bit clean (need compat code for the old sized disklabel)
>>
>> 2) 64-bit clean routing socket. This makes it possible to run a system with a netbsd32 userland.
>
> I'm about the commit the emips port (ready in a day or two once I
> get some changes merged). It doesn't touch much outside arch/emips,
> but having done already one mips64 merge on the code, there is a
> probably going to be fair number of changes. Which commit order
> is better? (the emips code is very pmax-like)
I'd hold off until my commit. You'll need to redo the SR/IPL stuff
as well cpu_intr at a minimum.
Matt Thomas
On Jan 4, 2011, at 2:57 AM, Simon Burge wrote:
> Matt Thomas wrote:
>
>> I've spent the past few days merging my matt-nb5-mips64 to HEAD.
>>
>> It's now in a state almost ready to commit. This affects every mips
>> port in a major way. Several thing change (IPL/spl code, interrupts,
>> soft interrupts, pmap, tlb, ...) in various major ways. This could
>> almost be considered a rewrite of the mips code.
>>
>> This merge affects over 400 lines in sys/arch alone. There is bound to
>> be breakage since I can't test all platforms but I will try to fix
>> things ASAP.
>
> Can you please test some reasonable combinations _before_ you merge
> to head this time? Based on previous experiences I think we at least
> need to see an example of working MIPS1, MIPS32 and 32-bit and 64-bit
> MIPS3/MIPS64 this time around before we can even consider that a merge
> can take place.
Already verified on sgimips O2 and gxemul DEC 3max (both r3000 and r4400).
It'll also be tested on MIPS64 (O32, N32 and N64 kernels) on real hardware.
The only userland change is a better ffs.
Mindaugas Rasiukevicius
> I've spent the past few days merging my matt-nb5-mips64 to HEAD.
>
> It's now in a state almost ready to commit. This affects every mips port
> in a major way. Several thing change (IPL/spl code, interrupts, soft
> interrupts, pmap, tlb, ...) in various major ways. This could almost be
> considered a rewrite of the mips code.
This major modernization of MIPS code base is also a great pattern for
SMP MD work (particularly - pmap/TLB handling) on other platforms, which
share more common with MIPS rather than x86.
Cool!
--
Mindaugas
Michael
Hash: SHA1
Hello,
On Jan 4, 2011, at 5:50 AM, Matt Thomas wrote:
>
> On Jan 4, 2011, at 2:48 AM, haad wrote:
>
>> On Tue, Jan 4, 2011 at 11:42 AM, Matt Thomas <matt@3am-
>> software.com> wrote:
>>> I've spent the past few days merging my matt-nb5-mips64 to HEAD.
>>>
>>> It's now in a state almost ready to commit. This affects every
>>> mips port in a major way. Several thing change (IPL/spl code,
>>> interrupts, soft interrupts, pmap, tlb, ...) in various major
>>> ways. This could almost be considered a rewrite of the mips code.
>>
>> Great :) This merge will make mips second most SMP ready platform
>> in NetBSD.
>
> Oh, this includes SMP support for some MIPS processors too. But
> it's still a little buggy. Part of this effort is to see if -HEAD
> acts differently than netbsd-5.
Sounds like it's time to get an Octane ;)
Either way, I tried a matt-nb5-mips64 kernel and userland ( with no
special options, everything seems to be n32 ) on my O2 yesterday and
it appears to Just Work(tm) where -current still has problems.
have fun
Michael
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Michael
Hash: SHA1
Hello,
On Jan 4, 2011, at 5:57 AM, Simon Burge wrote:
> Matt Thomas wrote:
>
>> I've spent the past few days merging my matt-nb5-mips64 to HEAD.
>>
>> It's now in a state almost ready to commit. This affects every mips
>> port in a major way. Several thing change (IPL/spl code, interrupts,
>> soft interrupts, pmap, tlb, ...) in various major ways. This could
>> almost be considered a rewrite of the mips code.
>>
>> This merge affects over 400 lines in sys/arch alone. There is
>> bound to
>> be breakage since I can't test all platforms but I will try to fix
>> things ASAP.
>
> Can you please test some reasonable combinations _before_ you merge
> to head this time? Based on previous experiences I think we at least
> need to see an example of working MIPS1, MIPS32 and 32-bit and 64-bit
> MIPS3/MIPS64 this time around before we can even consider that a merge
> can take place.
One data point: Works(tm) on my R5k O2.
have fun
Michael
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