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/  Forum Index
   /  Amiga PPC Linux
      /  Linux Kernel Developers Discuss Dropping A Bunch Of Old CPUs
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bison 
Linux Kernel Developers Discuss Dropping A Bunch Of Old CPUs
Posted on 11-Jan-2021 4:03:12
#1 ]
Super Member
Joined: 18-Dec-2007
Posts: 1746
From: N-Space

Quote:
Some non-ARM platforms that might also be candidates for removal include:

- H8300
- C6X
- SPARC/Sun4M
- PowerPC/CELL (separate from the PlayStation 3 code)
- PowerPC/CHRP
- PowerPC/AmigaOne

Linux Kernel Developers Discuss Dropping A Bunch Of Old CPUs

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"Unix is supposed to fix that." -- Jay Miner

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Hypex 
Re: Linux Kernel Developers Discuss Dropping A Bunch Of Old CPUs
Posted on 11-Jan-2021 6:05:36
#2 ]
Elite Member
Joined: 6-May-2007
Posts: 10118
From: Greensborough, Australia

@bison

PowerPC/AmigaOne? When did they ever support PowerPC/AmigaOne? I've never seen an official kernel build in the past 15 years that supported PowerPC/AmigaOne out of the box so I don't know that means.

Do they mean removing support for configuring it in a custom kernel? In that case PowerPC/AmigaOne is rather obsolete as there has been PowerPC/SamXXX, PowerPC/AmigaOne X1000 and PowerPC/AmigaOne X5000 in the meantime. All completely different PowerPC/AmigaOne platforms. Also what about PowerPC/Pegasos that was directly supported in PPC distros?

To be fair running Linux on a PowerPC/AmigaOne platform these days is too dog slow. You can't do much with it. Even just on a simple desktop it's not good. A sub 1Ghz CPU and no graphics acceleration is just too slow for even basic work. It works but it isn't pretty to deal with lag. The only thing in its favour is the kernel can boot real fast on an XE and would be wicked fast on an SSD I imagine.

Last edited by Hypex on 11-Jan-2021 at 06:08 AM.

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Geri 
Re: Linux Kernel Developers Discuss Dropping A Bunch Of Old CPUs
Posted on 11-Jan-2021 8:51:49
#3 ]
Elite Member
Joined: 7-Oct-2003
Posts: 2035
From: ST/AT

@Hypex

Quote:
Hypex wrote:
@bison

PowerPC/AmigaOne? When did they ever support PowerPC/AmigaOne? I've never seen an official kernel build in the past 15 years that supported PowerPC/AmigaOne out of the box so I don't know that means.

Code to boot Linux on a first-gen AmigaOne is in the official Linux source code since kernel v2.6.30 IIRC. Distribution support is naturally a different thing. In this case you're right: no GNU/Linux distribution ever provided kernel images for the first-gen AmigaOne machines.

Big problem in this case was that interest in PowerPC was declining due to Apples shift to x86 and Debian lost its PowerPC maintainer back then. So bringing AmigaOne platform support into Debian wasn't really possible at that time. My hope was to change that now that the Debian PowerPC Port again has a proper maintainer and new distributions like Void PPC are specifically targeting PowerPC. But hope dies last...

Quote:
Do they mean removing support for configuring it in a custom kernel?

They're talking about completely removing support for building a kernel that can run on first-gen AmigaOnes.

Quote:
In that case PowerPC/AmigaOne is rather obsolete as there has been PowerPC/SamXXX, PowerPC/AmigaOne X1000 and PowerPC/AmigaOne X5000 in the meantime. All completely different PowerPC/AmigaOne platforms. Also what about PowerPC/Pegasos that was directly supported in PPC distros?

To be fair running Linux on a PowerPC/AmigaOne platform these days is too dog slow. You can't do much with it. Even just on a simple desktop it's not good. A sub 1Ghz CPU and no graphics acceleration is just too slow for even basic work. It works but it isn't pretty to deal with lag. The only thing in its favour is the kernel can boot real fast on an XE and would be wicked fast on an SSD I imagine.

I agree that it is dog slow and the missing graphics acceleration is a pain in the ass, but according to this also support for the m68k/amiga platform would have to be removed where even booting the bare Linux kernel takes at least 10 minutes. But okay, this platform has probably more Linux users than the first-gen AmigaOne.

BTW: is any of the other AmigaOne platforms officially supported by a Linux distribution (and no, I'm not talking about the support provided by AEON for Linux)?

_________________
A1SE: G3@600MHz, 2GB, 1GBit network card
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microA1: G3@800MHz, 1GB

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bison 
Re: Linux Kernel Developers Discuss Dropping A Bunch Of Old CPUs
Posted on 11-Jan-2021 18:36:35
#4 ]
Super Member
Joined: 18-Dec-2007
Posts: 1746
From: N-Space

@Hypex

I searched the kernel,org mailing list thread, and at this time there's really not any further information, except for this brief note:

Quote:
I can also confirm that Pegasos2 users in the Amiga scene are running Linux (Debian) on these machines.

Old platforms: bring out your dead

Last edited by bison on 11-Jan-2021 at 06:42 PM.

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Geri 
Re: Linux Kernel Developers Discuss Dropping A Bunch Of Old CPUs
Posted on 11-Jan-2021 20:29:17
#5 ]
Elite Member
Joined: 7-Oct-2003
Posts: 2035
From: ST/AT

@bison

Quote:
bison wrote:
@Hypex

I searched the kernel,org mailing list thread, and at this time there's really not any further information, except for this brief note:

Quote:
I can also confirm that Pegasos2 users in the Amiga scene are running Linux (Debian) on these machines.

Old platforms: bring out your dead

Yepp, some users over at a1k.org have installed Linux on their Pegasos2 machines. More important however is that the Debian PowerPC ports maintainer is still using powerpc/chrp machines to which the Pegasos2 belongs to.

_________________
A1SE: G3@600MHz, 2GB, 1GBit network card
A1XE: G4@933MHz, 2GB, refitted AC'97 codec
microA1: G3@800MHz, 1GB

- A1 Linux support -

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