Date: Tue, 16 Jun 2020 22:35:37 +0100 From: Miguel C <miguelmclara@gmail.com> To: Rebecca Cran <rebecca@bsdio.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: CTF: UEFI HTTP boot support Message-ID: <CADGo8CWRqMdZ1ZD=dpRyNjBRdq9PXTUKF8deQ3NhgPnAFBOJ0A@mail.gmail.com> In-Reply-To: <0b38b537-9d9b-b3ae-bae3-bb5b4926bbaa@bsdio.com> References: <CADGo8CUrJaUdNpoJ3FwpNt09Eq3MEtc2R-TRWa44WizuS6GKFw@mail.gmail.com> <0b38b537-9d9b-b3ae-bae3-bb5b4926bbaa@bsdio.com>
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On Tue, Jun 16, 2020 at 7:25 PM Rebecca Cran <rebecca@bsdio.com> wrote: > On 6/16/20 5:17 AM, Miguel C wrote: > > > I've been trying out FreeBSD with raspberry Pi4 (4GB) and wanted to see > > what the state of HTTP BOOT is in FreeBSD, so I bumped into this! > > > > I'm curious if it should be possible to point to a img/iso directly (I > > tried to use the img.xz unpacked it and make it available on a local we= b > > server and that didn't seem to work for me) but maybe thats cause thos= e > > images miss something, so arm64 aside does that work for amd64? I.E. > using > > the bootonly.iso? > > Unfortunately HTTP boot only works as far as the kernel: UEFI fetches > loader.efi, the loader fetches and runs the kernel over HTTP -- and then > you need to use NFS to mount the filesystem (or have a local root > filesystem). > > Thanks for the reply , I can work with that for a live system still better than tftp, http+nfs should be that hard. > UEFI also has RamDisk support, but I don't think that's for remote > ISO/disk files, just local files. > > As for the ISO it does seem to work for remote ISO files, the bhyve con presentantion suggests the same and I was able to boot the ubuntu arm64 install iso using the direct link as a HTTP BOOT entry,. =EF=BF=BD>Start HTTP Boot over IPv4.... > Station IP address is 172.16.50.62 > > URI: http:/?172.16.50.106/uarm64.iso > File Size: 916357120 Bytes > Downloading...26% > But we also don't seem to have iso images for the raspberry pi, so it might not work there, this does sugget just a link to the .efi file would work: https://github.com/jljusten/tianocore/wiki/HTTP-Boot but I tired that with no succes In any case from what you're saying... for a live system I need http + nfs for rootfs. But I'm still clueless how to set that up for FreeBSD, the guide mentioned here is linux centric, what need to live on the http server side? > -- > Rebecca Cran > > >
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