Re: How to BIOS-boot from NVMe device?

[Chavdar Ivanov <ci4ic4%gmail.com@localhost>]

On 08 September 2022 17:36:46 (+01:00), Brad Spencer wrote:

> Paul Goyette <paul%whooppee.com@localhost> writes:
>
> > On Thu, 8 Sep 2022, Paul Goyette wrote:
> >
> >> Would be nice to get my menu back and have it default to the NetBSD
> >> system partition, but at least it boots!
> >
> > I got my menu back. Just had to put it at /efi/boot.cfg (ie, at the
> > root of the EFI partition).
> >
> >
> > 
+--------------------+--------------------------+----------------------+
> > | Paul Goyette | PGP Key fingerprint: | E-mail addresses: |
> > | (Retired) | FA29 0E3B 35AF E8AE 6651 | paul%whooppee.com@localhost |
> > | Software Developer | 0786 F758 55DE 53BA 7731 | pgoyette%netbsd.org@localhost 
|
> > | & Network Engineer | | pgoyette99%gmail.com@localhost |
> > 
+--------------------+--------------------------+----------------------+
>
>
> This is a clear indication of a UEFI boot. There is confusion in the
> docs about where the boot.cfg file should be located. I have also found
> that the desired behavior works if it is in the root of the EFI
> filesystem.
>
> If anyone wants to play with UEFI booting and has access to a recent Xen
> DOM0 system you can install the pkgsrc/sysutils/ovmf package and point a
pkgsrc/sysutils/ovmf does not build on -current at least - and hasn't been 
building for a long while. 

I checkout the source and build it manually under Debian; obviously the 
resulting firmware files are the same. 

> Xen HVM guest at that for its bios and get a more or less working UEFI
> setup without physical hardware (you will have to compile a custom
> kernel without PVM or PVHVM support). I posted a note on port-xen a bit
> ago about what works and what had trouble. You can probably do the same
> thing with qemu and/or nvmm but I have not messed with those.
>
>
>

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