Hi Heinrich, On Fri, 31 Mar 2023 at 13:17, Heinrich Schuchardt <xypron.g...@gmx.de> wrote: > > > > Am 31. März 2023 01:49:05 MESZ schrieb Simon Glass <s...@chromium.org>: > >Hi Heinrich, > > > >On Fri, 31 Mar 2023 at 11:33, Heinrich Schuchardt <xypron.g...@gmx.de> wrote: > >> > >> > >> > >> Am 30. März 2023 23:32:02 MESZ schrieb Simon Glass <s...@chromium.org>: > >> >Some devices have multiple partition types available on the same media. > >> >It is sometimes useful to see these to check that everything is working > >> >correctly. > >> > > >> >Provide a way to manually set the partition-table type, avoiding the > >> >auto-detection process. > >> > >> Do you have an example image where we get it wrong? > >> > >> Linux does not need that. What is different in our table type priorities > >> to Linux? > >> > >> I am not yet convinced we need to set this manually. > > > >There is an example in the documentation I added. That is using the > >Ubuntu 22.04 ISO. Can you give it a try? > > Linux would mount this as iso9660. > > U-Boot lacks a driver for this file system. > > There is no need to mount the file as CD-ROM drive. You could mount it as > virtio drive instead or as USB. Then U-Boot can read the EFI partition with > sector size 512. > > Computers nowadays are installed from USB. Most workstation cases don't > foresee optical drives anymore.
Yes, the example I have shown is for virtio and you can see the different filesystems present there. Regards, Simon > > Best regards > > Heinrich > > > > >You can also try it with a CDROM drive, something like: > > > >qemu-system-x86_64 -drive format=raw,file=root.img -bios > >/tmp/b/qemu-x86_64/u-boot.rom -cdrom ubuntu-22.04.2-desktop-amd64.iso > >-hdb fat:rw:/home/sglass/cosarm/win/seabios -nographic -m 4096 > > > >Regards, > >Simon > > > >> > > >> >Signed-off-by: Simon Glass <s...@chromium.org> > >> >--- > >> > > >> > cmd/part.c | 34 +++++++++++++++++++ > >> > disk/part.c | 16 +++++++++ > >> > doc/usage/cmd/part.rst | 74 ++++++++++++++++++++++++++++++++++++++++++ > >> > include/part.h | 9 +++++ > >> > 4 files changed, 133 insertions(+) > > > >[..]
