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

[Bin Meng]

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

U-Boot 2019.07-rc1-00506-g90176e3 (May 15 2019 - 14:43:21 +0800)

DRAM:  128 MiB
Flash: 128 MiB
*** Warning - bad CRC, using default environment

In:    pl011 at 9000000
Out:   pl011 at 9000000
Err:   pl011 at 9000000
Net:   No ethernet found.
Hit any key to stop autoboot:  0
=>

Regards,
Bin