Re: PATCH: added GRUB command to get and set (U)EFI firmware variables

[Andrey Borzenkov]

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В Wed, 27 Nov 2013 13:44:41 -0500
SevenBits <address@hidden> пишет:

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> On 11/25/2013 07:22 PM, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
> > On 25.11.2013 23:28, SevenBits wrote:
> >> 
> >> On 11/25/2013 05:07 PM, Vladimir '?-coder/phcoder' Serbinenko
> >> wrote:
> >>> On 25.11.2013 23:03, SevenBits wrote:
> >>>> 
> >>>> Thanks for your quick reply.
> >>>> 
> >>>> I just have a couple of questions. How do you prefer I allow
> >>>> the user to specify the vendor UUID? By typing it in via the
> >>>> keyboard? And secondly, by saying it needs "readable aliases
> >>>> for known types" do you mean that there should be a function
> >>>> to set an integer, one to set a boolean, etc?
> >>>> 
> >>> I meant for UUIDs. E.g. one alias "efi" for shared space,
> >>> "apple" for apple and so on.
> >> So other than a generic variable UUID and Apple, are there others
> >> that you think might be necessary? I can try and put in some
> >> common ones but manufacturers may not disclose what their
> >> specific UUIDs are.
> >> 
> > I'd include a command to list variables (interactively). We would
> > pretty quickly collect most common UUIDs this way.
> 
> So, I've got a command written to print out the system's firmware
> variables. Trouble is I'm not sure what the best way would be to print
> or otherwise display the UUIDs gathered so that we can collect them.
> 

I think it is rather premature at this point. What is needed first is
sane framework for handling EFI variables, which means - handling GUID,
options (during set or as filter in listing variables) and conversion of
arbitrary binary data from/to external printable representation.

> 
> >>> But type of variable is also an issue and there should be at
> >>> least following available: hex - transform all in hex utf16 -
> >>> decode utf16 into utf8 Probably more, didn't really look into
> >>> issue
> >> I see, okay, I'll add some in.
> >>


Yes, please. Adding aliases for GUID can always come later and is not
really that important.
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