Hi David,
On Fri, Mar 3, 2023 at 8:26 AM David Gow <davidgow@xxxxxxxxxx> wrote:
> On Tue, 28 Feb 2023 at 18:31, Geert Uytterhoeven
> <geert+renesas@xxxxxxxxx> wrote:
> > This patch series adds support to run tests via kunit_tool on the
> > SuperH-based virtualized r2d platform. As r2d uses the second serial
> > port as the console, this needs a small modification of the core
> > infrastructure.
> >
> > Thanks for your comments!
>
> This series looks good to me, but I've not been able to successfully
> get qemu to boot anything on SuperH (it just seems to hang with no
> output).
>
> Is there anything like magic config or firmware images (I didn't think
> so for r2d: shix prints out an error, though) required to get this
> going?
No idea. I thought it just works.
> The qemu command KUnit is using seems correct (and none of the obvious
> permutations, particularly around the serial ports seem to help):
> qemu-system-sh4 -nodefaults -m 1024 -kernel .kunit/arch/sh/boot/zImage
> -append 'kunit.enable=1 console=ttySC1 kunit_shutdown=reboot'
> -no-reboot -nographic -serial null -machine r2d -serial mon:stdio
That works just fine for me.
On plain v6.2 with this series applied:
$ ./tools/testing/kunit/kunit.py run --arch=sh
--cross_compile=sh4-linux-gnu- --raw_output=all --kunitconfig
fs/ext4/.kunitconfig
[08:38:59] Configuring KUnit Kernel ...
Regenerating .config ...
Populating config with:
$ make ARCH=sh O=.kunit olddefconfig CROSS_COMPILE=sh4-linux-gnu-
[08:39:01] Building KUnit Kernel ...
Populating config with:
$ make ARCH=sh O=.kunit olddefconfig CROSS_COMPILE=sh4-linux-gnu-
Building with:
$ make ARCH=sh O=.kunit --jobs=12 CROSS_COMPILE=sh4-linux-gnu-
<stdin>:1517:2: warning: #warning syscall clone3 not implemented [-Wcpp]
[... more warnings ...]
[08:39:51] Starting KUnit Kernel (1/1)...
Running tests with:
$ qemu-system-sh4 -nodefaults -m 1024 -kernel
.kunit/arch/sh/boot/zImage -append 'kunit.enable=1 console=ttySC1
kunit_shutdown=reboot' -no-reboot -nographic -serial null -machine r2d
-serial mon:stdio
Linux version 6.2.0-00002-g5b394444bb0d (geert@rox) (sh4-linux-gnu-gcc
(Ubuntu 11.3.0-1ubuntu1~22.04) 11.3.0, GNU ld (GNU Binutils for
Ubuntu) 2.38) #3 Fri Mar 3 08:39:50 CET 2023
...
$ qemu-system-sh4 --version
QEMU emulator version 6.2.0 (Debian 1:6.2+dfsg-2ubuntu6.6)
Copyright (c) 2003-2021 Fabrice Bellard and the QEMU Project developers
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
