Re: Enabling boot menu via serial & PXE boot in CorebootPayloadPkg

[Cameron Craig <Cameron.Craig@exterity.com>]

Hi Benjamin,

>Hi Cameron,
>
>> >I get serial output from edk2 with the release build and the debug build.
>> >However this serial output does not include the boot menu, I just get
>> >progress and error codes (and debug messages in debug mode).
>> >I have attached a runtime log of a recent debug build.
>
>From your log, I cannot see the below prompt message:
>
>"F2 or Down      to enter Boot Manager Menu.
>ENTER           to boot directly."
>
>With my system, there is above message shown in serial. When I press F2
>upon the message, the boot manager is shown.
>
>The message is printed in PlatformBootManagerAfterConsole() in
>CorebootPayloadPkg\Library\PlatformBootManagerLib\PlatformBootManage
>r.c.
>Not sure what went wrong, but you might add some debug message to trace
>the execution flow.
>
>Or, have you been able to boot to UEFI Shell? If yes, you may type "exit"
>from the Shell prompt, and boot manager should show up.
>
>Thanks,
>
>- ben

I managed to work out the problem.
Coreboot applies patches to the edk2 source after the git fetch, one of these changes the BdsDxe provider from MdeModulePkg to IntelFrameworkModulePkg [1].

Changing it back to MdeModulePkg fixed the issue.

[1] https://github.com/coreboot/coreboot/blob/master/payloads/external/tianocore/patches/02_CorebootPayloadPkg_bds.patch

Thanks again for your help,
Cameron


Cameron Craig | Graduate Software Engineer | Exterity Limited
tel: +44 1383 828 250 | fax:  | mobile:
e: Cameron.Craig@exterity.com | w: www.exterity.com



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