[MinnowBoard] 64-bit vs 32-bit UEFI - What you need to know!

[Adam Goode]

Does this mean that both files can just be put into place? If so,
could you update the distribution to include both and not worry about
what the current firmware is? It would simplify the process and
documentation.


Adam


On Wed, Sep 10, 2014 at 11:08 AM, Darren Hart <dvhart at linux.intel.com> wrote:
> On 9/10/14, 1:35, "Roel Jordans" <r.jordans at tue.nl> wrote:
>
>>
>>>
>>>http://www.elinux.org/Minnowboard:MaxBios#Switching_from_64-bit_to_32-bit
>>>
>>> Basically you have to re-flash the firmware with a 32-bit firmware.
>>> There's a line in the instructions that may confuse some folks,
>>> specifically using a FirmwareUpdateX64.efi to flash a 32-bit firmware.
>>> This is because when you go to change the firmware you are running a
>>> 64-bit firmware, and therefore need a 64-bit EFI program to actually do
>>> the flashing.
>>>
>>> If you want to switch back, you'll do the opposite, use
>>> FirmwareUpdateIA32.efi to flash a 64-bit firmware.
>>>
>>
>>Maybe it's possible to rename those updates (or add some renamed
>>updates) to something like FirmwareUpdateIA32to64 or something?  That
>>would probably remove most of the cause for confusion here.
>
> That isn't accurate unfortunately. The update tool doesn't care which bit
> length you are flashing to, you use the same tool to flash to 32b or to
> 64b, what matters is what firmware you are currently running, and that is
> what the tool name reflects.
>
> --
> Darren Hart                                     Open Source Technology Center
> darren.hart at intel.com                                       Intel Corporation
>
>
>
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