[uml-devel] UML on PPC? state of the art

[uml-devel] UML on PPC? state of the art

[SteX]

Hi all,
does anyone know if the porting of UML on PPC has still been staled? or
anyone has started working on?
My Apple Powerbook is crying! ((:-((

I found something about the porting on Chris Emerson's home page, but it
is staled sice july 2001!

Let me know.

Thank you in advance

Regards

SteX
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[uml-devel] Re: [uml-user] UML on PPC? state of the art

[BlaisorBlade]

On Monday 18 October 2004 17:58, SteX wrote:
> Hi all,
> does anyone know if the porting of UML on PPC has still been staled? or
> anyone has started working on?
> My Apple Powerbook is crying! ((:-((

> I found something about the porting on Chris Emerson's home page, but it
> is staled sice july 2001!
Where's that page?
> Let me know.
>
> Thank you in advance
>
> Regards
>
> SteX
Nobody is working on the PPC port. If someone wants to start helping, we will 
welcome him. Currently, the interest in UML is increasing, new developers 
come in, and after a lot of time, a new architecture (x86_64) is being 
supported. Also we've seen messages from people starting work to port UML 
even to ARM machines(!). No actual code, yet, so I suppose they stopped.

However, nobody removed the old code from UML. It has even been accepted in 
the 2.6 kernel, even if it is completely broken.

If you can bring up this issue on any place where someone could pick it up, 
you could find someone helping.

Bye
-- 
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729


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Re: [uml-devel] Re: [uml-user] UML on PPC? state of the art

[Sonny Rao]

On Mon, Oct 18, 2004 at 07:48:22PM +0200, BlaisorBlade wrote:
> On Monday 18 October 2004 17:58, SteX wrote:
> > Hi all,
> > does anyone know if the porting of UML on PPC has still been staled? or
> > anyone has started working on?
> > My Apple Powerbook is crying! ((:-((
> 
> > I found something about the porting on Chris Emerson's home page, but it
> > is staled sice july 2001!
> Where's that page?
> > Let me know.
> >
> > Thank you in advance
> >
> > Regards
> >
> > SteX
> Nobody is working on the PPC port. If someone wants to start helping, we will 
> welcome him. Currently, the interest in UML is increasing, new developers 
> come in, and after a lot of time, a new architecture (x86_64) is being 
> supported. Also we've seen messages from people starting work to port UML 
> even to ARM machines(!). No actual code, yet, so I suppose they stopped.
> 
> However, nobody removed the old code from UML. It has even been accepted in 
> the 2.6 kernel, even if it is completely broken.
> 
> If you can bring up this issue on any place where someone could pick it up, 
> you could find someone helping.
> 

The linuxppc64-dev@ozlabs.org is probably a good place to get help on
the ppc64 stuff.  Those guys know ppc so I'm guessing that asking
about ppc32 stuff is cool as well.  

I'd be willing to test UML on PPC64 if work commences, I have access
to some IBM Power[345] machines.  I'd love to help in development, but
I'm pretty busy right now, so I'll just volunteer to test it. 

Sonny Rao
--
LTC Kernel Performance Team


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Re: [uml-devel] Re: [uml-user] UML on PPC? state of the art

[Chris Emerson]

On Mon, Oct 18, 2004 at 07:48:22PM +0200, BlaisorBlade wrote:
> On Monday 18 October 2004 17:58, SteX wrote:
> > Hi all,
> > does anyone know if the porting of UML on PPC has still been staled? or
> > anyone has started working on?
> > My Apple Powerbook is crying! ((:-((
> 
> > I found something about the porting on Chris Emerson's home page, but it
> > is staled sice july 2001!
> Where's that page?

That'd be http://www.nosreme.org/projects/umlppc/ (it used to be
http://www.tartarus.org/~chris/user-mode-linux/).

> Nobody is working on the PPC port. If someone wants to start helping,
> we will welcome him.

I'm hoping to do a bit more work on it soon.  It's tricky with a
full-time day job and a wife who things (probably rightly) I should be
doing more useful things when I'm at home.  :-)  So no promises...

Anyway, the code has changed quite a bit in the last few years, so it'll
take me a while to get my head around it again even if I do find the
time.

Chris


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[uml-devel] Re: [uml-user] UML on PPC? state of the art

[SteX]

[-- Attachment #1: Type: text/plain, Size: 3951 bytes --]

On Mon, Oct 18, 2004 at 09:37:57PM +0100, Chris Emerson wrote:
Ciao Chris,
> > On Monday 18 October 2004 17:58, SteX wrote:
> > > Hi all,
> > > does anyone know if the porting of UML on PPC has still been staled? or
> > > anyone has started working on?
> > > My Apple Powerbook is crying! ((:-((
> > 
> > > I found something about the porting on Chris Emerson's home page, but it
> > > is staled sice july 2001!
> > Where's that page?
> 
> That'd be http://www.nosreme.org/projects/umlppc/ (it used to be
> http://www.tartarus.org/~chris/user-mode-linux/).

in the last days I was looking at your work and today I started to apply
the latest (2001!!!) 2.4.6 patch to a vanilla kernel (2.4.6).

ste@monteverdi:/usr/src/dest$ sudo make linux ARCH=um
scripts/split-include include/linux/autoconf.h include/config
gcc -D__KERNEL__ -I/usr/src/dest/include -Wall -Wstrict-prototypes
-Wno-trigraphs -O2  -fno-strict-aliasing -g  -U__powerpc__ -D__UM_PPC__
-D__arch_um__ -DSUBARCH=\"ppc\" -DNESTING=0 -D_LARGEFILE64_SOURCE   -c -o
init/main.o init/main.c
In file included from /usr/src/dest/include/asm/irq.h:4,
                 from /usr/src/dest/include/asm/hw_irq.h:4,
				 from /usr/src/dest/include/asm/arch/system.h:15,
				 from /usr/src/dest/include/asm/system.h:9,
				 from /usr/src/dest/include/asm/arch/page.h:19,
				 from /usr/src/dest/include/asm/page.h:6,
				 from /usr/src/dest/include/linux/wait.h:18,
				 from /usr/src/dest/include/linux/fs.h:12,
				 from /usr/src/dest/include/linux/capability.h:17,
				 from /usr/src/dest/include/linux/binfmts.h:5,
				 from /usr/src/dest/include/linux/sched.h:9,
				 from /usr/src/dest/include/linux/mm.h:4,
				 from /usr/src/dest/include/linux/slab.h:14,
				 from /usr/src/dest/include/linux/proc_fs.h:5,
				 from init/main.c:15:
/usr/src/dest/include/asm/arch/irq.h: In function `irq_cannonicalize':
/usr/src/dest/include/asm/arch/irq.h:213: error: structure has no member
named `irq_cannonicalize'
/usr/src/dest/include/asm/arch/irq.h:215: error: structure has no member
named `irq_cannonicalize'
In file included from /usr/src/dest/include/asm/arch/system.h:15,
				 from /usr/src/dest/include/asm/system.h:9,
				 from /usr/src/dest/include/asm/arch/page.h:19,
				 from /usr/src/dest/include/asm/page.h:6,
				 from /usr/src/dest/include/linux/wait.h:18,
				 from /usr/src/dest/include/linux/fs.h:12,
				 from /usr/src/dest/include/linux/capability.h:17,
				 from /usr/src/dest/include/linux/binfmts.h:5,
				 from /usr/src/dest/include/linux/sched.h:9,
				 from /usr/src/dest/include/linux/mm.h:4,
				 from /usr/src/dest/include/linux/slab.h:14,
				 from /usr/src/dest/include/linux/proc_fs.h:5,
				 from init/main.c:15:
/usr/src/dest/include/asm/hw_irq.h: At top level:
/usr/src/dest/include/asm/hw_irq.h:6: warning: `struct hw_interrupt_type'
declared inside parameter list
/usr/src/dest/include/asm/hw_irq.h:6: warning: its scope is only this
definition or declaration, which is probably not what you want
make: *** [init/main.o] Error 1
ste@monteverdi:/usr/src/dest$ 
> 
> > Nobody is working on the PPC port. If someone wants to start helping,
> > we will welcome him.
> 
> I'm hoping to do a bit more work on it soon.  It's tricky with a
> full-time day job and a wife who things (probably rightly) I should be
> doing more useful things when I'm at home.  :-)  So no promises...
> 
> Anyway, the code has changed quite a bit in the last few years, so it'll
> take me a while to get my head around it again even if I do find the
> time.
Since you are the last who worked on it would be good if you help us to
find the way to help (you) and your work. Do you agree?

Regards

SteX

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[-- Attachment #2: Digital signature --]
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[uml-devel] Re: [uml-user] UML on PPC? state of the art

[Chris Emerson]

On Mon, Oct 18, 2004 at 11:04:02PM +0200, SteX wrote:
> On Mon, Oct 18, 2004 at 09:37:57PM +0100, Chris Emerson wrote:
> > I'm hoping to do a bit more work on it soon.  It's tricky with a
> > full-time day job and a wife who things (probably rightly) I should be
> > doing more useful things when I'm at home.  :-)  So no promises...
> > 
> > Anyway, the code has changed quite a bit in the last few years, so it'll
> > take me a while to get my head around it again even if I do find the
> > time.
> Since you are the last who worked on it would be good if you help us to
> find the way to help (you) and your work. Do you agree?

Apparently Oleg Orel has UML on PPC basically working, and will
hopefully release it soon (within a few weeks).  So I think it's worth
waiting (a reasonable time) for Oleg's work, to avoid duplicating the
effort.

If we lose patience, though, I agree with you.  :-)

Chris


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RE: [uml-devel] Re: [uml-user] UML on PPC? state of the art

[SteX]

Hi Chris,
>> On Mon, Oct 18, 2004 at 09:37:57PM +0100, Chris Emerson wrote:
>> > I'm hoping to do a bit more work on it soon.  It's tricky with a
>> > full-time day job and a wife who things (probably rightly) I should
be
>> > doing more useful things when I'm at home.  :-)  So no promises...
>> > 
>> > Anyway, the code has changed quite a bit in the last few years, so
it'll
>> > take me a while to get my head around it again even if I do find the
>> > time.
>> Since you are the last who worked on it would be good if you help us
to
>> find the way to help (you) and your work. Do you agree?
>
>Apparently Oleg Orel has UML on PPC basically working, and will
>hopefully release it soon (within a few weeks).  So I think it's worth
>waiting (a reasonable time) for Oleg's work, to avoid duplicating the
>effort.
>
>If we lose patience, though, I agree with you.  :-)

It is not a matter of loosing patience, but for me on being involved in.
For my point of view, the problem shouldn't have arosen if I didn't buy
a Powerbook. Now I would like to be more and more involved, but I have not
a so strong background to carry a kernel development efford.
My idea is, at first, to contribute by testing and patching, then we will
see.
I would be a pity if we don't have uml on such arch as the ppc (so glorious!)
I want to wait as long as possible to have something good ù(or working).
At the moment, if I would like to contribute, where can I get the code to
test? where is Oleg Orel's repository to test? How ca I contact him?

I would be pleased to you if you answer to these simple question(at the
moment) ;^P
Thank you in advance.
Regards

SteX

-- 
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GPG key: Stefano Melchior (stex) <stefano.melchior@openlabs.it>
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Re: [uml-devel] Re: [uml-user] UML on PPC? state of the art

[Adam Heath]

On Mon, 18 Oct 2004, BlaisorBlade wrote:

> On Monday 18 October 2004 17:58, SteX wrote:
> > Hi all,
> > does anyone know if the porting of UML on PPC has still been staled? or
> > anyone has started working on?
> > My Apple Powerbook is crying! ((:-((
>
> > I found something about the porting on Chris Emerson's home page, but it
> > is staled sice july 2001!
> Where's that page?
> > Let me know.
> >
> > Thank you in advance
> >
> > Regards
> >
> > SteX
> Nobody is working on the PPC port. If someone wants to start helping, we will
> welcome him. Currently, the interest in UML is increasing, new developers
> come in, and after a lot of time, a new architecture (x86_64) is being
> supported. Also we've seen messages from people starting work to port UML
> even to ARM machines(!). No actual code, yet, so I suppose they stopped.
>
> However, nobody removed the old code from UML. It has even been accepted in
> the 2.6 kernel, even if it is completely broken.

Side question: does the !i386 uml options depend on BROKEN in kconfig?


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Re: [uml-devel] Re: [uml-user] UML on PPC? state of the art

[BlaisorBlade]

On Monday 18 October 2004 22:55, Adam Heath wrote:
> On Mon, 18 Oct 2004, BlaisorBlade wrote:
> > On Monday 18 October 2004 17:58, SteX wrote:
> > > Hi all,
> > > does anyone know if the porting of UML on PPC has still been staled? or
> > > anyone has started working on?
> > > My Apple Powerbook is crying! ((:-((
> > >
> > > I found something about the porting on Chris Emerson's home page, but
> > > it is staled sice july 2001!
> >
> > Where's that page?
> >
> > > Let me know.
> > >
> > > Thank you in advance
> > >
> > > Regards
> > >
> > > SteX
> >
> > Nobody is working on the PPC port. If someone wants to start helping, we
> > will welcome him. Currently, the interest in UML is increasing, new
> > developers come in, and after a lot of time, a new architecture (x86_64)
> > is being supported. Also we've seen messages from people starting work to
> > port UML even to ARM machines(!). No actual code, yet, so I suppose they
> > stopped.
> >
> > However, nobody removed the old code from UML. It has even been accepted
> > in the 2.6 kernel, even if it is completely broken.
>
> Side question: does the !i386 uml options depend on BROKEN in kconfig?
No - but actually I do not think there is a such "Kconfig option". You should 
add SUBARCH=ppc on the command line to cross-build it. A good idea could be 
"echo WARNING - code currrently broken". However it's quite impossible for it 
to build at all.

Bye
-- 
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729


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