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Bug#855134: installation-guide: mips related cleanups and updates



Hi,

Ben Hutchings <ben@decadent.org.uk> wrote:
> There seems to have been some confusion about whether this table lists
> kernel or installer flavours.  As this is the installation manual, I
> think it makes sense to document the latter.
> 
> Not only is there no 5kc-malta installer flavour for mips or mipsel,

Ok, deleted in my workingcopy.

> there is also no armmp-lpae flavour of the installer for armel.  Please
> delete that as well.

Hmm, the table has armmp-lpae only for armhf, not for armel. Do you want me
to remove that one for armhf?

> 
> Also, the versatile flavour for armel was dropped after we accidentally
> broke the kernel configuration and yet received no bug reports about
> it.  Please delete that as well.

Ok, deleted.

> Finally, two of the architectures are missing documentation of their
> installer flavours:
> 
> - For i386 there are default and xen installer flavours.  The xen

That would mean, we have to add 2 "flavor" entries for i386?
How would we name them? Some proposal below in the table ...
The "default" entries are not optimal ...

> installer flavour is needed for Xen PV domains only.
> - For powerpc there are powerpc and powerpc64 installer flavours.
>   I believe powerpc64 is needed on all systems with 64-bit
>   OpenFirmware.

That means the same? Add to flavors for ppc64el? How to name them?
I am confused here, powerpc is no release arch anymore, right?


Proposal table:

┌────────────────────┬──────────────┬──────────────────────────────┬──────────┐
│    Architecture    │    Debian    │       Subarchitecture        │  Flavor  │
│                    │ Designation  │                              │          │
├────────────────────┼──────────────┼──────────────────────────────┼──────────┤
│                    │              │default                       │default   │
│Intel x86-based     │i386          ├──────────────────────────────┼──────────┤
│                    │              │Xen PV domains                │xen       │
├────────────────────┼──────────────┼──────────────────────────────┼──────────┤
│AMD64 & Intel 64    │amd64         │                              │          │
├────────────────────┼──────────────┼──────────────────────────────┼──────────┤
│ARM                 │armel         │Marvell Kirkwood and Orion    │marvell   │
├────────────────────┼──────────────┼──────────────────────────────┼──────────┤
│                    │              │multiplatform                 │armmp     │
│ARM with hardware   │armhf         ├──────────────────────────────┼──────────┤
│FPU                 │              │multiplatform for LPAE-capable│armmp-lpae│
│                    │              │systems                       │          │
├────────────────────┼──────────────┼──────────────────────────────┼──────────┤
│64bit ARM           │arm64         │                              │          │
├────────────────────┼──────────────┼──────────────────────────────┼──────────┤
│32bit MIPS          │              │MIPS Malta                    │4kc-malta │
│(big-endian)        │mips          ├──────────────────────────────┼──────────┤
│                    │              │Cavium Octeon                 │octeon    │
├────────────────────┼──────────────┼──────────────────────────────┼──────────┤
│                    │              │MIPS Malta                    │5kc-malta │
│64bit MIPS          │              ├──────────────────────────────┼──────────┤
│(little-endian)     │mips64el      │Cavium Octeon                 │octeon    │
│                    │              ├──────────────────────────────┼──────────┤
│                    │              │Loongson 3                    │loongson-3│
├────────────────────┼──────────────┼──────────────────────────────┼──────────┤
│                    │              │MIPS Malta                    │4kc-malta │
│32bit MIPS          │              ├──────────────────────────────┼──────────┤
│(little-endian)     │mipsel        │Cavium Octeon                 │octeon    │
│                    │              ├──────────────────────────────┼──────────┤
│                    │              │Loongson 3                    │loongson-3│
├────────────────────┼──────────────┼──────────────────────────────┼──────────┤
│                    │              │IBM POWER8 or newer machines  │powerpc64 │
│Power Systems       │ppc64el       ├──────────────────────────────┼──────────┤
│                    │              │Powerpc ???                   │powerpc   │
├────────────────────┼──────────────┼──────────────────────────────┼──────────┤
│64bit IBM S/390     │s390x         │IPL from VM-reader and DASD   │generic   │
└────────────────────┴──────────────┴──────────────────────────────┴──────────┘


Thanks
Holger

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