Re: Issue with qemu-system-ppc running OSX guests

[Howard Spoelstra <hsp.cat7@gmail.com>]

[-- Attachment #1: Type: text/plain, Size: 2227 bytes --]

On Wed, Mar 2, 2022 at 9:11 PM BALATON Zoltan <balaton@eik.bme.hu> wrote:

> On Wed, 2 Mar 2022, Howard Spoelstra wrote:
> > Hi all,
> >
> > I noticed qemu-system-ppc running OSX guests does not get to the desktop
> or
> > does not display the menu bars.
>
> Cc-ing the relevant people and the PPC list might help, I've added them.
> Also telling which OSX guest version can reproduce the problem could help
> debugging. Is it any OSX version?
>
> Regards,
> BALATON Zoltan
>

Oops, Qemu running on Fedora 35 host,
Reproducer:

./qemu-system-ppc \
-M mac99 \
-m 512 \
-L pc-bios \
-display sdl -serial stdio \
-boot c \
-drive file=10.1.img,format=raw,media=disk

The issue affects all supported Mac OSX guests: 10.0 to 10.5

Best,
Howard


> > Bisecting lead to this commit:
> >
> > 80eca687c8513a7e1611e0441abdd68b0c02a1d6 is the first bad commit
> > commit 80eca687c8513a7e1611e0441abdd68b0c02a1d6
> > Author: Lucas Mateus Castro (alqotel) <lucas.castro@eldorado.org.br>
> > Date:   Wed Mar 2 06:51:36 2022 +0100
> >
> >    target/ppc: moved vector even and odd multiplication to decodetree
> >
> >    Moved the instructions vmulesb, vmulosb, vmuleub, vmuloub,
> >    vmulesh, vmulosh, vmuleuh, vmulouh, vmulesw, vmulosw,
> >    muleuw and vmulouw from legacy to decodetree. Implemented
> >    the instructions vmulesd, vmulosd, vmuleud, vmuloud.
> >
> >    Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> >    Signed-off-by: Lucas Mateus Castro (alqotel) <
> > lucas.araujo@eldorado.org.br>
> >    Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
> >    Message-Id: <20220225210936.1749575-3-matheus.ferst@eldorado.org.br>
> >    Signed-off-by: Cédric Le Goater <clg@kaod.org>
> >
> > target/ppc/helper.h                 | 24 ++++++------
> > target/ppc/insn32.decode            | 22 +++++++++++
> > target/ppc/int_helper.c             | 20 +++++-----
> > target/ppc/translate/vmx-impl.c.inc | 77
> > ++++++++++++++++++++++++++++---------
> > target/ppc/translate/vmx-ops.c.inc  | 15 ++------
> > tcg/ppc/tcg-target.c.inc            |  6 +++
> > 6 files changed, 112 insertions(+), 52 deletions(-)
> >
> > Best,
> > Howard
> >

[-- Attachment #2: Type: text/html, Size: 3507 bytes --]