On Thu, 12 Feb 2026 at 22:45, Javier Martinez Canillas <[email protected]> wrote: > > The EFI_PARTITION_INFO_PROTOCOL provides detailed information about > partitions. The UEFI specification mentions that both GPT and MBR > partition schemes are supported, but the U-Boot implementation only > supports the former. > > This can cause compatibility issues for platforms whose boot ROM only > supports MBR. This change adds support for MBR partition tables to > the protocol, making U-Boot compatible with systems that require a > legacy MBR table. > > Signed-off-by: Javier Martinez Canillas <[email protected]> > ---
Reviewed-by: Ilias Apalodimas <[email protected]> > > (no changes since v1) > > lib/efi_loader/efi_disk.c | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) > > diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c > index 130c4db9606f..f8a57539ec61 100644 > --- a/lib/efi_loader/efi_disk.c > +++ b/lib/efi_loader/efi_disk.c > @@ -475,9 +475,12 @@ static efi_status_t efi_disk_add_dev( > #if CONFIG_IS_ENABLED(DOS_PARTITION) > case PART_TYPE_DOS: > info->type = PARTITION_TYPE_MBR; > - > - /* TODO: implement support for MBR partition types */ > - log_debug("EFI_PARTITION_INFO_PROTOCOL doesn't > support MBR\n"); > + ret = part_get_mbr(desc, part, &info->info.mbr); > + if (ret) { > + log_debug("get MBR for part %d failed %ld\n", > + part, ret); > + goto error; > + } > break; > #endif > default: > -- > 2.53.0 >
