Re: Where/how to submit proposed patches to Nanobsd provided files?
- In reply to: Karl Denninger : "Where/how to submit proposed patches to Nanobsd provided files?"
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Date: Wed, 14 May 2025 01:58:44 UTC
Github pull request. Though there may be one or two there I've not yet
processed.
Warner
On Tue, May 13, 2025, 7:40 AM Karl Denninger <karl@denninger.net> wrote:
> I've put some time in on the "Nanobsd" build process files that do a few
> things:
>
> 1. Support efi dual-boot mode (EFI or not) while keeping an MBR partition
> layout so older devices can still boot the media and also keep the data
> partition. Basically, set up Partition 4 as an extended "BSD" partition
> with "a" (cfg) and "d" (data, if non-zero size) so they both work. This
> involved essentially a rewrite of the "legacy" file entirely since the
> partition creation was done through awk basically emitting a script it then
> executed; it was much easier to, due to the different types involved, just
> do "nah", make a calculation for the code segments, subtract off space for
> the EFI partition and cfg area and then use what's left for data.
>
> 2. Put the EFI partition in slot 3 thus the "dual image, online update"
> capacity is unperturbed. Place the loader in
> EFI/BOOT/{architecture-specific-name} as defined in the config file. This
> is harmless if the machine is CSM boot but if its EFI it will find it and
> boot using it.
>
> 3. Update the "updatepx" files distributed to look for an EFI partition on
> the NanoBSD device and, if found, set loader.env which should then cause
> the EFI loader to use the correct load partition since the "active" flag is
> ignored otherwise.
>
> Should I put these up somewhere for possible review and inclusion? I use
> this to build bootable sticks or SD cards for firewall appliances that run
> "read-only" and thus are power-fail safe, and have tested against both a
> commodity EFI-boot-only dual-NIC "NUC" style PC and also the older
> pcEngines apu2 series.
> --
> Karl Denninger
> karl@denninger.net
> *The Market Ticker*
> *[S/MIME encrypted email preferred]*
>