[U-Boot] [PATCH 0/3] x86: coreboot: Support running U-Boot in qemu

[Simon Glass]

Hi Bin,

On 3 January 2015 at 19:36, Bin Meng <bmeng.cn at gmail.com> wrote:
> Hi Simon,
>
> On Sun, Jan 4, 2015 at 10:28 AM, Simon Glass <sjg at chromium.org> wrote:
>> Hi Bin,
>>
>> On 3 January 2015 at 18:59, Bin Meng <bmeng.cn at gmail.com> wrote:
>>> Hi Otavio,
>>>
>>> On Sun, Jan 4, 2015 at 9:06 AM, Otavio Salvador <otavio at ossystems.com.br> wrote:
>>>> On Sat, Jan 3, 2015 at 12:40 PM, Bin Meng <bmeng.cn at gmail.com> wrote:
>>>>> Currently when U-Boot is loaded by coreboot in qemu, U-Boot does not
>>>>> boot due to several issues. This patch series fix these issues to make
>>>>> coreboot support in U-Boot more robust so that it can run on top of
>>>>> qemu out of the box.
>>>>>
>>>>> The command to package u-boot into coreboot.rom:
>>>>> ./build/util/cbfstool/cbfstool build/coreboot.rom add-flat-binary \
>>>>> -f u-boot-dtb.bin -n fallback/payload -c lzma -l 0x1110000 -e 0x1110015
>>>>
>>>> It'd be awesome to have it documented somewhere :)
>>>
>>> Yes, I can document it in README.x86.
>>
>> Thanks. Also does qemu run U-Boot bare? I assume not. What is the main
>> use case for Coreboot + U-Boot under qemu?
>>
>
> So far only coreboot can run bare on qemu. It is a specific board
> (Emulation board) for qemu in coreboot Kconfig. We can support qemu
> running U-Boot bare as well. It is just a matter of time of doing
> that. If you think this might be helpful, I can spend some time to
> support qemu bare in U-Boot. As for the main use case, I believe this
> provides us a way of testing U-Boot coreboot support without a real
> hardware, just like the purpose of any emulation/simulation tool we
> have in the market.

OK thanks for the info. It seems like it might be useful. Presumably
it can run without binary blobs which would be good.

Regards,
Simon