[U-Boot] efi: Error building as EFI payload (both 32bit and 64 bit)

[Bin Meng]

Hi Igor,

On Fri, Aug 14, 2015 at 2:38 AM, Stoppa, Igor <igor.stoppa at intel.com> wrote:
> +Simon
>
> Hello Bin, Simon,
>
> On 13 August 2015 at 17:52, Stoppa, Igor <igor.stoppa at intel.com> wrote:
>
>> I'm running qemu 2.1.3 on OpenSUSE and it doesn't seem to start in EFI
>> mode other than with a build of the Open Virtual Machine Firmware that
>> I found googling [1]. With this I can reach an EFI shell.
>
> Almost the same also with qemu 2.2.0 on Ubuntu
>
> [...]
>
>> Anyway, with the OVMF, I am able to see the EFI BIOS starting.
>> I can list the block devices and also see the file containing U-Boot
>> in payload format (u-boot-payload.efi)
>> This is how I start qemu:
>>
>> qemu-system-x86_64 -nographic -bios ../bios/OVMF.fd -hda fat:tmp/efi/
>>
>> It tries to boot from any of the boot devices available, then it fails
>> and drops me to the Shell.
>>
>> At which point, following the README.efi, I launch the payload:
>>
>> FS0:u-boot-payload.efi
>>
>> I get a message:
>> U-Boot EFI Payload
>
> I have added some traces to the code.
> It seems that the failure happens at
> lib/efi/efi_stub.c:333 where it tries to get a memory map for the 2nd time.
>
> [...]
>
> Tomorrow I'll try again, after downloading and trying the latest qemu.
>
> What version of qemu is known to work with the EFI x86 payload?
>

I am using QEMU 2.3.0 (built from source) and EFI BIOS (IA32 and X64,
built from git source)

Regards,
Bin