[U-Boot] [PATCH 19/39] x86: Build a .rom file which can be flashed to an x86 machine

[Simon Glass]

Hi Bin,

On 11 November 2014 01:37, Bin Meng <bmeng.cn at gmail.com> wrote:
> Hi Simon,
>
> On Tue, Nov 11, 2014 at 8:28 AM, Simon Glass <sjg at chromium.org> wrote:
>> Hi Bin,
>>
>
> [snip]
>
>>>
>>>> +               $(srctree)/board/$(BOARDDIR)/descriptor.bin
>>>
>>> I don't see where the descriptor.bin is created?
>>
>> This needs to be downloaded and provided, as with mrc.bin, etc.
>
> I thought the descriptor.bin is used to describe the u-boot.rom
> layout, but seems you are saying it is coming from Intel(?). Is the
> format defined by Intel so that all the BIOS for that platform
> (u-boot.rom in our case) has to obey?

Yes, but only if there is a management engine (the CONFIG option you asked for).

>
>> I think I will adjust it (later) so that it builds an empty u-boot.rom
>> and prints a warning on stdout if the binaries are not available. That
>> way the buildman build will still succeed, but the user will see the
>> problem. It might also be useful to have U-Boot report missing
>> binaries when it starts up.
>
> Sounds good.
>
> Regards,
> Bin

Regards,
Simon