[Scummvm-devel] Compiling a new build of ScummVM for PS2 question.
Thierry Crozat
criezy at scummvm.org
Mon May 25 16:44:31 CEST 2015
Hi Max,
Sorry I should have made that clearer: this is what OMightyBuggy reported on IRC. I don't have a PS2 myself, so no I didn't try ;)
If you want I can update the download page on scummvm.org to point to the latest one.
Thierry
On 25 May 2015, at 15:34, max at guetech.com wrote:
> Hi Thierry,
>
>>> There is a recent build for 1.7.0 on sf.net, which is not linked from our download page, and does not work anyway.
>
> Did you try it ?
>
> It works here and for the couple of testers I sent it to before uploading.
>
> There are actually all builds from 1.4.1 to 1.7.0 on SF. I asked Sev to make them public on scummvm.org.
>
> If there is a regression where it stops working please do a regression and let me know which is the first one which does not work.
>
> Thanks,
> -max
>
> ---------------------------- Original Message ----------------------------
> Subject: Re: [Scummvm-devel] Compiling a new build of ScummVM for PS2 question.
> From: "Thierry Crozat" <criezy at scummvm.org>
> Date: Mon, May 25, 2015 7:43 am
> To: "digitall at scummvm.org" <digitall at scummvm.org>
> Cc: "Jeffrey Paull" <obuggy1 at cox.net>
> "ScummVM devel" <scummvm-devel at lists.sourceforge.net>
> --------------------------------------------------------------------------
>
>> For more information, the discussion on IRC happened on May 18, starting at 22:43 GMT. You can find it here:
>> http://logs.scummvm.org/log.php?log=scummvm.log.18May2015&format=html
>>
>> In particular:
>> - Builds on buildbot do not work.
>> - The official build for 1.4.1, which is the one on our download page works.
>> - There is a recent build for 1.7.0 on sf.net, which is not linked from our download page, and does not work anyway.
>>
>>
>> On 25 May 2015, at 08:38, Filippos Karapetis <bluegr at gmail.com> wrote:
>>
>>> I've updated the PS2 build instructions in our wiki with digitall's information
>>>
>>> Regards
>>> Filippos Karapetis
>>>
>>> On Mon, May 25, 2015 at 6:32 AM, D G Turner <d.g.turner at ntlworld.com> wrote:
>>> OMightyBuggy,
>>> As the PS2 porter does not seem to be responding currently, I thought
>>> I should provide some helpful pointers to allow you to compile a new
>>> PS2 build and perhaps help debug any issues with current code.
>>>
>>> This is partly as I am one of the buildbot maintainers.
>>>
>>> Firstly, the nightly development (v1.8.0git) and stable (v1.7.0)
>>> builds for PS2 can be found here:
>>> http://buildbot.scummvm.org/builds.html
>>>
>>> Please test with these and let us know whether these works correctly
>>> for you. If not, I can still use the toolchain there to try a v1.5.0
>>> build and a replicated v1.4.1 to check if this is a code regression or
>>> a toolchain / library breakage.
>>>
>>> Apart from this, I assume that you are following:
>>> http://wiki.scummvm.org/index.php/Compiling_ScummVM/PlayStation_2
>>>
>>> This appears to be significantly outdated and refers to svn.ps2dev.org
>>> which appears to be offline. The new location for this code is at
>>> Github as various repositories: https://github.com/ps2dev
>>>
>>> The code there should allow you to build a toolchain from source
>>> and contains patched version of various libraries as:
>>> https://github.com/ps2dev/ps2sdk-ports
>>>
>>> However, this does not contain SJPCM or Tremor, which the compilation
>>> page suggests you e-mail the maintainer for :/
>>>
>>> http://wiki.scummvm.org/index.php/Compiling_ScummVM/PlayStation_2#d._Nearly_there.21_Now_we_still_need_some_extra_libs_which_are_not_provided_with_default_SDK:
>>>
>>> On a side note, these kind of patches should be checked into some
>>> repository on Github or otherwise made available in future.
>>>
>>> Tremor which is the integer code version of Ogg Vorbis is not an issue
>>> as it is available from here, but not in a specific PS2 optimised
>>> version:
>>> https://wiki.xiph.org/Tremor
>>>
>>> Based on the background information from various Wikipedia pages:
>>> https://en.wikipedia.org/wiki/PlayStation_2
>>> https://en.wikipedia.org/wiki/Emotion_Engine
>>>
>>> The PS2 uses a MIPS instruction set and as the Tremor page notes
>>> there are no specific optimisations in the codebase for MIPS, but
>>> it should still work fine if compiled for that target with the PS2
>>> toolchain. Any patches are likely to have been as noted by the
>>> Tremor page:
>>> "the main branch will probably give very good performance if CPU
>>> optimized fixed point multiply and complex multiply functions are
>>> added."
>>>
>>> SJPCM is a bit tricker to find, but is described by this:
>>> http://lukasz.dk/playstation-2-programming/an-introduction-to-ps2dev/
>>>
>>> I was able to locate the independent version of it from here:
>>> https://github.com/AzagraMac/PS2_SDK/tree/master/isjpcm
>>>
>>> This should be sufficient for you to be able to setup your own
>>> toolchain and compile the code if you are familar with cross
>>> compilation under Linux.
>>>
>>> Hopefully the PS2 porter can provide the exact patches and code
>>> at some point soon.
>>> Thanks,
>>> David Turner
>>>
>>> On 18/05/15 23:55, Jeffrey Paull wrote:
>>>> I am looking for some help with obtaining "sjcpm & tremor" for compiling
>>>> a new ScummVM build for PS2. I already contacted sunmax at libero.it and
>>>> got no response. I went to the IRC and got directed here to ask.
>>>>
>>>> OMightyBuggy
>>>
>>>
>>>
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>> ------------------------------------------------------------------------------
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>> Widest out-of-the-box monitoring support with 50+ applications
>> Performance metrics, stats and reports that give you Actionable Insights
>> Deep dive visibility with transaction tracing using APM Insight.
>> http://ad.doubleclick.net/ddm/clk/290420510;117567292;y_______________________________________________
>> Scummvm-devel mailing list
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