[PATCH v5 13/17] efi_loader: menu-driven addition of UEFI boot option
Masahisa Kojima
masahisa.kojima at linaro.org
Mon May 9 11:27:46 CEST 2022
On Sat, 7 May 2022 at 03:16, Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
>
>
>
> Am 6. Mai 2022 20:10:58 MESZ schrieb Mark Kettenis <mark.kettenis at xs4all.nl>:
> >> Date: Fri, 6 May 2022 19:30:51 +0200
> >> From: Heinrich Schuchardt <xypron.glpk at gmx.de>
> >>
> >> On 4/30/22 14:49, Heinrich Schuchardt wrote:
> >> > On 4/29/22 12:56, Heinrich Schuchardt wrote:
> >> >> On 4/28/22 18:33, Heinrich Schuchardt wrote:
> >> >>> On 4/28/22 10:09, Masahisa Kojima wrote:
> >> >>>> This commit supports the menu-driven UEFI boot option addition.
> >> >>>> User can select the block device volume having
> >> >>>> efi_simple_file_system_protocol and select the file corresponding
> >> >>>> to the Boot#### variable. Then user enter the label of the BOOT####
> >> >>>> variable in utf8.
> >> >>>>
> >> >>>> Signed-off-by: Masahisa Kojima <masahisa.kojima at linaro.org>
> >>
> >> This patch creates unexpected behavior:
> >>
> >> In the console I entered:
> >>
> >> setenv bootmenu_0 foo=echo foo
> >> setenv bootmenu_1 bar=echo bar
> >> bootmenu 20
> >>
> >> Nothing here relates to UEFI but the menu shows:
> >>
> >> foo
> >> bar
> >> UEFI Boot Manager Maintenance
> >> Quit
> >>
> >> Please, don't show 'UEFI Boot Manager Maintenance' if we are not in the
> >> boot manager.
> >
> >Not sure what you mean with this. The "bootefi bootmgr" command
> >simply looks at EFI variables and immediately exits if "BootOrder"
> >isn't set. So the EFI varaibles need to be modified beforehands.
> >
> >Do you mean that 'UEFI Boot Manager Maintenance' should only be
> >included in the menu if any "Boot####" EFI variables exist (either
> >because they have been explicitly set or because we have generated
> >them for the "removable media" device paths)?
>
>
> The bootmenu command can be used in many contexts. Not all are related to booting.
I am still not sure the meaning of "don't show 'UEFI Boot Manager
Maintenance' if we are not in the boot manager."
What do you mean "in the boot manager"?
The bootmenu already supports to enumerate the UEFI boot options,
so it is some kind of boot manager.
Thanks,
Masahisa Kojima
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