ps2hacking-devel

[Ps2hacking-devel] CVS is available. need more hackers.

[Takahide H. <tak...@hi...>]

Hi folks, 

CVS is available at sourceforge now.

CVSROOT is cvs.ps2hacking.sourceforge.net:/cvsroot/ps2hacking,
and the repository is 'linux2.4'. 
The patch I announced last week is equal to current CVS tree.

The tree needs to be hacked more. as far as I know, there are 
following todos. 

please let me/us know if you are interested in working on some areas.


  o Ethernet is only ported device at present...
    framebuffer, (Xserver and DRM !?), IDE, USB, and more are 
    waiting for you B)

  o test and set device (drivers/char/tst_dev.c) is broken.

    It is my understanding that this hack will improve performance of
    applications that needs extensive use of atomic lock operations
    (multithread, databases etc) on inexpensive MIPSes without LL/SC
    instructions.

  o various PlayStation2 specific code needs being ported, redesign, 
    or/and removal...

  o I guess cache flushing operation can be optimized more.
      (arch/mips/mm/r5900.c)

  o need to adapt to the new architecture in the Linux/MIPS tree.
    for Linux/MIPS integration, we should use arch/mips/kernel/time.c,
    arch/mips/kernel/irq.c and so on instead of old codes for linux-2.2
    in arch/mips/ps2 

  o cleanup various macro and fix 128bit register support in assembler code
    and some header files. I will try this next month.

  o catch up to the Linux/MIPS secondary tree.

  o (... and more? please comment.) 


... and have fun!

--- Takahide HIGUCHI  e-mail: tak...@hi...

Re: [Ps2hacking-devel] CVS is available. need more hackers.

[M. R. B. <mr...@0x...>]

* Takahide Higuchi <tak...@hi...> on Thu, Aug 30, 2001:

> Hi folks, 
> 
> CVS is available at sourceforge now.
> 
> CVSROOT is cvs.ps2hacking.sourceforge.net:/cvsroot/ps2hacking,
> and the repository is 'linux2.4'. 
> The patch I announced last week is equal to current CVS tree.
> 
> The tree needs to be hacked more. as far as I know, there are 
> following todos. 
> 
> please let me/us know if you are interested in working on some areas.
> 
> 

Lethal and I have started working on porting the 2.2.1 codebase and drivers
to 2.4.  Some r5900 support is already in the linux-mips tree and Lethal is
still cleaning Sony's crust of a port :).

You probably want to focus your efforts on the linux-mips tree
(linux-mips.sf.net).  Also, Lethal and I have a private CVS tree against
linux-mips that we're using to test experimental stuff.  But diverging the
tree in this manner will certainly cause problems down the road as you'll
end up w/ 3 different MIPS trees.

Just do everything off of linux-mips (who regularly send Ralf patches) and
you'll be ok.

M. R.

Re: [Ps2hacking-devel] CVS is available. need more hackers.

[GOTO M. <go...@de...>]

At Thu, 30 Aug 2001 01:49:42 +0900,
Takahide Higuchi wrote:
> CVS is available at sourceforge now.
> 
> CVSROOT is cvs.ps2hacking.sourceforge.net:/cvsroot/ps2hacking,
> and the repository is 'linux2.4'. 
> The patch I announced last week is equal to current CVS tree.

Thanks for your work.
# I get little time to work with it this week. Thanks.

>   o Ethernet is only ported device at present...
>     framebuffer, (Xserver and DRM !?), IDE, USB, and more are 
>     waiting for you B)

Sure :-)
IDE is the most important part. I pick it up :)

>   o test and set device (drivers/char/tst_dev.c) is broken.
> 
>     It is my understanding that this hack will improve performance of
>     applications that needs extensive use of atomic lock operations
>     (multithread, databases etc) on inexpensive MIPSes without LL/SC
>     instructions.

FYI (I guess you know), authors of this test and set driver
at Sony releases publication which is for Linux Conference (9/26-28).

>   o various PlayStation2 specific code needs being ported, redesign, 
>     or/and removal...
> 
>   o I guess cache flushing operation can be optimized more.
>       (arch/mips/mm/r5900.c)
>
>   o need to adapt to the new architecture in the Linux/MIPS tree.
>     for Linux/MIPS integration, we should use arch/mips/kernel/time.c,
>     arch/mips/kernel/irq.c and so on instead of old codes for linux-2.2
>     in arch/mips/ps2 
> 
>   o cleanup various macro and fix 128bit register support in assembler code
>     and some header files. I will try this next month.
>
>   o catch up to the Linux/MIPS secondary tree.
> 
>   o (... and more? please comment.) 

MIPS 64bit support. I investigate and think that 
to develop the original Linux/MIPS 64bit is needed.
Of cource, it's future work.

-- gotom

Re: [Ps2hacking-devel] CVS is available. need more hackers.

[GOTO M. <go...@de...>]

At Fri, 31 Aug 2001 01:40:18 +0900,
GOTO Masanori <go...@de...> wrote:
> > CVS is available at sourceforge now.
> > 
> > CVSROOT is cvs.ps2hacking.sourceforge.net:/cvsroot/ps2hacking,
> > and the repository is 'linux2.4'. 
> > The patch I announced last week is equal to current CVS tree.
> 
> Thanks for your work.

I checked check out, commit is ok yesterday.

> # I get little time to work with it this week. Thanks.
> 
> >   o Ethernet is only ported device at present...
> >     framebuffer, (Xserver and DRM !?), IDE, USB, and more are 
> >     waiting for you B)
> 
> Sure :-)
> IDE is the most important part. I pick it up :)

Some code will be commited.

> >   o (... and more? please comment.) 
> 
> MIPS 64bit support. I investigate and think that 
> to develop the original Linux/MIPS 64bit is needed.
> Of cource, it's future work.

o clean up and get rid of #ifdef CONFIG_PS2

Some code has duty statement #ifdef CONFIG_PS2 - #endif
in original 2.2.1 ps2 code outside of arch/mips/ps2.
I think we get rid of these ugly code.

-- gotom