[U-Boot] [BUG] simple-bus and rsa-sw with DM_FLAG_PRE_RELOC

[Bin Meng]

On Wed, May 15, 2019 at 3:12 PM AKASHI Takahiro
<takahiro.akashi at linaro.org> wrote:
>
> On Wed, May 15, 2019 at 02:45:19PM +0800, Bin Meng wrote:
> > On Wed, May 15, 2019 at 1:55 PM AKASHI Takahiro
> > <takahiro.akashi at linaro.org> wrote:
> > >
> > > As of v2019.07-rc1,
> > > u-boot does fail to boot without any messages on qemu-arm64 when
> > > configured with qemu_arm64_defconfig plus CONFIG_RSA/RSA_SOFTWARE_EXP.
> > > (Note that RSA_SOFTWARE_EXP also declares itself with DM_FLAG_PRE_RELOC.)
> > >
> > > By bisecting between v2019.04 and v2019.07, I found that the following
> > > commit triggered this regression:
> > >
> > >         commit 3a7c45f6a772
> > >         Author: Lukas Auer <lukas.auer at aisec.fraunhofer.de>
> > >         Date:   Wed Apr 10 14:46:07 2019 +0200
> > >
> > >             simple-bus: add DM_FLAG_PRE_RELOC flag to simple-bus driver
> > >
> > > What's wrong with this?
> >
> > I just tested it and it boots for me.
> >
> > $ make qemu_arm64_defconfig
> > $ make menuconfig
> > adding CONFIG_RSA via "Library routines" -> "Security support" -> "Use
> > RSA Library"
> > $ make
> >
> > $ qemu-system-aarch64 -machine virt -cpu cortex-a57 -bios u-boot.bin -nographic
>
> Thank you.
> I have used locally-built qemu, so I will check the configuration of
> my build.

FYI

$ qemu-system-aarch64 -version
QEMU emulator version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.36),
Copyright (c) 2003-2008 Fabrice Bellard

I was using Ubuntu 16.04 shipped QEMU packages.

Regards,
Bin