On 20:17 Thu 14 Feb , Sascha Hauer wrote:
> On Thu, Feb 14, 2013 at 06:05:07PM +0100, Johannes Stezenbach wrote:
> > On Thu, Feb 14, 2013 at 05:53:23PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > On 17:36 Thu 14 Feb , Sascha Hauer wrote:
> > > > On Thu, Feb 14, 2013 at 04:52:24PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > > > GPT need to be check before MBR
> > > > >
> > > > > Cc: Rob Herring <rob.herring@xxxxxxxxxxx>
> > > > > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
> > > > > ---
> > > > > common/filetype.c | 4 ++++
> > > > > include/filetype.h | 1 +
> > > > > 2 files changed, 5 insertions(+)
> > > > >
> > > > > diff --git a/common/filetype.c b/common/filetype.c
> > > > > index 22fc621..6563ecc 100644
> > > > > --- a/common/filetype.c
> > > > > +++ b/common/filetype.c
> > > > > @@ -48,6 +48,7 @@ static const struct filetype_str filetype_str[] = {
> > > > > [filetype_bmp] = { "BMP image", "bmp" },
> > > > > [filetype_png] = { "PNG image", "png" },
> > > > > [filetype_ext] = { "ext filesystem", "ext" },
> > > > > + [filetype_gpt] = { "GUID Partition Table", "gpt" },
> > > > > };
> > > > >
> > > > > const char *file_type_to_string(enum filetype f)
> > > > > @@ -159,6 +160,9 @@ enum filetype file_detect_type(const void *_buf, size_t bufsize)
> > > > > if (bufsize < 512)
> > > > > return filetype_unknown;
> > > > >
> > > > > + if (bufsize >= 520 && strncmp(&buf8[512], "EFI PART", 8) == 0)
> > > > > + return filetype_gpt;
> > > > > +
> > > >
> > > > The list is sorted by size, so please move this below:
> > > on purpose
> > >
> > > EFI need to be detect before mbr
> >
> > IMHO the check is too simple, it will give false positive if
> > GPT is replaced by DOS MBR and not zeroed out. Need to check
> > for protective MBR.
>
> So is_fat_or_mbr() should test if the MBR is a protective MBR and return
> false in this case?
no as the efi is more I do the check in efi.c protective bit and right type
I move the code to filetype
but efi need to be before MBR as you could have both for retro compatibility
Nest Regards,
J.
>
> Sascha
>
> --
> Pengutronix e.K. | |
> Industrial Linux Solutions | http://www.pengutronix.de/ |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
> Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox
