[MinnowBoard] BIOS/UEFI/Firmware settings hotkey?
Darren Hart
dvhart at linux.intel.com
Thu Apr 24 19:42:59 UTC 2014
This is documented here:
http://git.yoctoproject.org/cgit/cgit.cgi/meta-minnow/tree/README?h=master#
n181
On 4/24/14, 12:31, "Amaya, Elmer A" <elmer.a.amaya at intel.com> wrote:
>Hi Jack,
>
>Pls use the "bcfg" shell command to change the boot order - that command
>modifies the UEFI NVRAM entries which should allow you to change the boot
>entries or driver options.
>
>Quick tutorial:
>
>At the UEFI Shell prompt, enter the following shell command to display
>current boot entries:
>
>bcfg boot dump -v
>
>In my MB, it shows the following boot options:
>
>Option: 00. Variable: Boot0000
> Desc - Shell
> DevPath - Fv(07F426A2-5F6B-4ED5-9B35-6FF191BFB4DD)/Shell
> Optional- N
>Option: 01. Variable: Boot0001
> Desc - UiApp
> DevPath - Fv(30D9ED01-38D2-418A-90D5-C561750BF80F)/UiApp
> Optional- N
>Option: 02. Variable: Boot0002
> Desc - EFI USB Device
> DevPath -
>PciRoot(0x0)/Pci(0x17,0x0)/Pci(0x0,0x0)/Pci(0x8,0x3)/USB(0x0,0x0)/HD(1,MBR
>,0x00000000,0x40,0x3BAFC0)
> Optional- N
>
>Now, to change the boot order and have the "UiApp" as first option,
>simply move it to the top. I used the following command to do so:
>
>bcfg boot mv 1 0
>
>Pls let me know if you have any questions.
>
>Thanks,
>Elmer
>
>-----Original Message-----
>From: elinux-minnowboard-bounces at lists.elinux.org
>[mailto:elinux-minnowboard-bounces at lists.elinux.org] On Behalf Of Jack
>Black
>Sent: Thursday, April 24, 2014 11:58 AM
>To: MinnowBoard Development and Community Discussion
>Subject: Re: [MinnowBoard] BIOS/UEFI/Firmware settings hotkey?
>
>Thanks Neill.
>
>And Dave you're extra incorrect (I don't know why someone from the
>company that's making minnows would argue that any UI is evidence of
>legacy BIOS :/). After I updated the minnow to firmware 1.0 and unplugged
>my HD (or if I do some sort of weird combo of typing exit then hitting
>esc then typing exit from the shell) I now have a boot menu option which
>lists "shell", or "UiApp" which takes me into the expected settings UI
>(and it even has options for enrolling keys for secureboot and such!), or
>my bootable HD, bootable USB, or boot from network (IPv4 and IPv6).
>
>So my question kind of still remains: is there anything I can mash to
>guarantee I get directly to that menu without having to go through the
>shell exit/esc rigamarole?
>
>
>Much appreciated,
>JB
>
>On Wed, Apr 23, 2014 at 7:59 PM, Neill Kapron <nkapron at gmail.com> wrote:
>> So after some examination, Intel has included the simple BDS in
>> MinnowBoardPkg/Bds/ instead of the full BDS in
>> IntelFrameworkModulePkg/Universal/BdsDxe/
>>
>> It would appear that the keys that are enabled are '+', '-', 'Esc' and
>>'e'.
>>
>> I would assume + or - draws a short boot device selection menu.
>>
>> '+' Selects the boot device earlier in the list, '-' Selects the boot
>> device later in the list, 'Esc' and 'e' leave the list and clear the
>> display, booting from the currently selected boot device.
>>
>> I think it would be possible to build a firmware image that enables
>> the more useful setup menu, but I do not have a minnowboard yet to test
>>on.
>>
>> Hopefully this helps,
>> Neill
>>
>>
>>
>> On Wed, Apr 23, 2014 at 3:40 PM, Neill Kapron <nkapron at gmail.com> wrote:
>>>
>>> Dave,
>>>
>>> You are incorrect. There is still support for graphical setup
>>> browsers in UEFI. Any modern UEFI-based PC motherboard is a great
>>> example of this. In fact, most native UEFI browsers are much nicer
>>> than legacy bios implementations. (Decent graphics and mouse
>>> support.)
>>>
>>> I'm looking through the source tree now, and have identified that
>>> Intel has left code for boot device management and configuration in
>>> the tree- see the comment below from
>>> /IntelFrameworkModulePkg/Universal/BdsDxe/FrontPage.c
>>>
>>>
>>> //
>>> // If gCallbackKey is greater than 1 and less or equal to 5,
>>> // it will launch configuration utilities.
>>> // 2 = set language
>>> // 3 = boot manager
>>> // 4 = device manager
>>> // 5 = boot maintenance manager
>>> //
>>>
>>> I do not have a minnowboard to test on, and they may have neutered it
>>> somewhere, but am looking for the hotkeys currently.
>>>
>>> Thanks,
>>> Neill
>>>
>>>
>>>
>>>
>>> On Wed, Apr 23, 2014 at 3:18 PM, David Anders <danders at circuitco.com>
>>> wrote:
>>>>
>>>> Jack,
>>>>
>>>>
>>>> On 04/23/2014 03:59 PM, Jack Black wrote:
>>>>>
>>>>> Other Intel developer boards I've used had both the UEFI shell and
>>>>> a settings page, where when you would type "exit" from the shell,
>>>>> it would drop you to the setting UI where you could do things like
>>>>> change UEFI secure boot keys, change boot order, etc. I take it
>>>>> then that the minnow firmware lacks this? (I know it lacks secure
>>>>> boot, but I'm wondering if it completely lacks a firmware setup
>>>>> options screen...)
>>>>
>>>>
>>>> what you are referring to is called "Legacy BIOS". Legcy BIOS
>>>> options can be included as part of the UEFI build however based on
>>>> the minnowboard being targeted more at embedded application space,
>>>> the decision was made not to include Legacy BIOS functionality.
>>>>
>>>> most "PCs" current do include the Legacy BIOS functionality, but
>>>> going forward most new x86 based designs will only include the core
>>>> UEFI support without Legacy BIOS...
>>>>
>>>> Dave
>>>>
>>>>
>>>>> JB
>>>>>
>>>>> On Wed, Apr 23, 2014 at 4:22 PM, David Anders
>>>>> <danders at circuitco.com>
>>>>> wrote:
>>>>>>
>>>>>> JB,
>>>>>>
>>>>>> UEFI works very differently that what traditional BIOS features
>>>>>> most people are familiar with.
>>>>>>
>>>>>> as you boot, you can stop the boot process and drop into a UEFI
>>>>>>shell.
>>>>>> this
>>>>>> shell is very similar to a minimal DOS implementation
>>>>>>
>>>>>> https://software.intel.com/en-us/articles/efi-shells-and-scripting
>>>>>>
>>>>>> you can view/edit settings from there...
>>>>>>
>>>>>> Dave
>>>>>>
>>>>>>
>>>>>> On 04/23/2014 03:19 PM, Jack Black wrote:
>>>>>>>
>>>>>>> (just called it BIOS to help future googlers ;))
>>>>>>>
>>>>>>> Is there a way to get into the UEFI settings on a stock
>>>>>>> minnowboard? I mashed esc and F9-F12 to no avail. I would like to
>>>>>>> see what options are exposed, and also boot from a USB CD for
>>>>>>>installation to a HD.
>>>>>>>
>>>>>>> Much appreciated,
>>>>>>> JB
>>>>>>> _______________________________________________
>>>>>>> elinux-MinnowBoard mailing list
>>>>>>> elinux-MinnowBoard at lists.elinux.org
>>>>>>> http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
>>>>>>
>>>>>>
>>>>>> _______________________________________________
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>>>>>> http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
>>>>>
>>>>> _______________________________________________
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>>>>
>>>>
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>>>
>>
>>
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--
Darren Hart Open Source Technology Center
darren.hart at intel.com Intel Corporation
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