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Re: [PATCH v4] target/ppc: fix Hash64 MMU update of PTE bit R
From: |
Leandro Lupori |
Subject: |
Re: [PATCH v4] target/ppc: fix Hash64 MMU update of PTE bit R |
Date: |
Tue, 30 Nov 2021 17:00:32 -0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 |
On 30/11/2021 05:44, Cédric Le Goater wrote:
It would be interesting to boot directly the PowerNV machine from a
FreeBSB kernel and a minimum inirtd without using the skiroot images
and an iso. Are images available ?
AFAIK there are no minimum initrd images available. The closest thing
would be the "bootonly" ISOs that can be found in the links below:
https://download.freebsd.org/ftp/releases/powerpc/powerpc64/ISO-IMAGES/13.0/
https://download.freebsd.org/ftp/releases/powerpc/powerpc64le/ISO-IMAGES/13.0/
https://download.freebsd.org/ftp/snapshots/powerpc/powerpc64/ISO-IMAGES/14.0/
https://download.freebsd.org/ftp/snapshots/powerpc/powerpc64le/ISO-IMAGES/14.0/
But to avoid using skiroot, you would need to manually extract the
kernel from the ISO and also specify the rootfs, using something like:
"-append cd9660:cd0".
If you don't want to emulate a disk or cd, the ISO can be passed to
-initrd and "-append cd9660:md0" may be used to tell FreeBSD where to
find the root partition (it loads it as a memory disk).
There are also qcow2 snapshots available:
https://artifact.ci.freebsd.org/snapshot/14.0-CURRENT/latest/powerpc/powerpc64/
https://artifact.ci.freebsd.org/snapshot/14.0-CURRENT/latest/powerpc/powerpc64le/
But you'll also need to extract the kernel from the image or from
kernel.txz to boot them.
As these images target pseries and lack a FAT32 partition, Petitboot
won't be able to boot them.
Alfredo (cc'ed) was trying to make them Petitboot compatible.