[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH OSSTEST v2 01/19] Introduce mg-pxe-loader-update
Ian Campbell writes ("[PATCH OSSTEST v2 01/19] Introduce mg-pxe-loader-update"): > The story for PXE booting via UEFI (at least on arm64) is not so > straightforward as with pxelinux on x86. There seems to no good > bootloader to launch via UEFI+pxe, in fact all I could find was grub > (syslinux, and by extension pxelinux.efi, is x86 only). > > Add mg-pxe-loader-update modelled on mg-debian-installer-update which > will download the necessary grub binaries and produce a grub image > which can be used to pxe boot. > > grub lacks the convenient ability to search for config file based on > (substrings of) the MAC or IP address. So we arrange for the grub.cfg > in TftpGrubBase to chain load another config file from > TftpTmpDir/'$net_default_mac' where $net_default_mac is a grub > variable which is substituted at boot time. > > Actually using this requires that bootp/dhcp provide a next-file so > UEFI knows what to boot (usually this would be pxelinux.0 which we > can't use here). Locally we have configured this as $name/pxe.img, so > we can use different loaders. ... > + curl -s $pfile >Packages.gz > + > + echo >&2 "collecting $grubdeb" > + pkgfile=`zcat Packages.gz | grep-dctrl -PX $grubdeb -nsFilename | sort > -n -r | head -n1` > + rc=$? > + set -e > + if [ $rc -ne 0 ] || [ x$pkgfile = x ]; then fail "$grubdeb package not > found"; fi > + curl -s "$site/$pkgfile" >$grubdeb.deb This is indeed _very_ similar to parts of mg-debian-installer-update. Perhaps some of this should be made common ? You may need to invent a new file. I notice that mg-debian-installer-update has `fetch' which uses a Pragma: to try to avoid proxies. Do we need the same here ? Thanks, Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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