[U-Boot] bootefi selftest on qemu-x86_64

[Bin Meng]

Hi Heinrich,

On Wed, Oct 10, 2018 at 12:48 AM Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
>
> On 10/09/2018 11:27 AM, Bin Meng wrote:
> > Hi Heinrich,
> >
> > Did you ever get 'bootefi selftest' pass on qemu-x86_64? I got:
> >
> > => bootefi selftest
> > WARNING: booting without device tree
> > lib/efi_selftest/efi_selftest.c(242):
> > ERROR: Cannot open loaded image protocol
> >
> > Regards,
> > Bin
> >
> Hello Bin,
>
> when running qemu-x86_64_defconfig with
>
> qemu-system-x86_64 -bios denx/u-boot.rom -machine pc-i440fx-2.5 --nographic
>
> it hangs in an endless loop:
>
> U-Boot 2018.11-rc1-00130-g0a60a81ba3 (Oct 09 2018 - 18:23:16 +0200)
>
> QEMU Virtual CPU version 2.5+DRAM:  128 MiB
>
> U-Boot SPL 2018.11-rc1-00130-g0a60a81ba3 (Oct 09 2018 - 18:23:16 +0200)
> CPU: x86_64, vendor AMD, device 663h
> Trying to boot from SPI
> Jumping to 64-bit U-Boot: Note many features are missing
>
>
> U-Boot 2018.11-rc1-00130-g0a60a81ba3 (Oct 09 2018 - 18:23:16 +0200)
>
> QEMU Virtual CPU version 2.5+DRAM:  128 MiB
>
> U-Boot SPL 2018.11-rc1-00130-g0a60a81ba3 (Oct 09 2018 - 18:23:16 +0200)
> CPU: x86_64, vendor AMD, device 663h
> Trying to boot from SPI
> Jumping to 64-bit U-Boot: Note many features are missing
>
>
> U-Boot 2018.11-rc1-00130-g0a60a81ba3 (Oct 09 2018 - 18:23:16 +0200)
>
> QEMU Virtual CPU version 2.5+DRAM:  128 MiB
>
> ....
>
> How did you succeed to reach the console?
>

It is a bug and I noticed this when testing GCC 8.1.0. Patches will be
sent soon.

> There is a doc/README.x86 but nothing on x86_64. Could you, please, add
> the missing information in said README.x86.
>

Will do.

> I could not find qemu-x86_64_defconfig in .travis.yml. Shouldn't we try
> to run the target there too?
>

I tried this but it fails with EFI selftesting.

> I am using Debian Buster:
> gcc 8.2.0
> qemu 2.12.0
>

Regards,
Bin