Re: [Qemu-devel] [PULL 4/5] hw/display: Add basic ATI VGA emulation

[David Abdurachmanov <david.abdurachmanov@gmail.com>]

On Mon, Mar 11, 2019 at 8:51 PM BALATON Zoltan <balaton@eik.bme.hu> wrote:
>
> On Mon, 11 Mar 2019, Markus Armbruster wrote:
> > Gerd Hoffmann <kraxel@redhat.com> writes:
> >> From: BALATON Zoltan <balaton@eik.bme.hu>
> >>
> >> At least two machines, the PPC mac99 and MIPS fulong2e, have an ATI
> >> gfx chip by default (Rage 128 Pro and M6/RV100 respectively) and
> >> guests running on these and the PMON2000 firmware of the fulong2e
> >> expect this to be available. Fortunately these are very similar chips
> >> so they can be mostly emulated in the same device model. This patch
> >> adds basic emulation of these ATI VGA chips.
> >>
> >> While this is incomplete and currently only enough to run the MIPS
> >> firmware and get framebuffer output with Linux, it allows the fulong2e
> >> board to work more like the real hardware and having it in QEMU in
> >> this state provides a way to experiment with it and allows others to
> >> contribute to improve it. It is compiled for all archs but only the
> >> fulong2e (which currently has no display output at all) is set to use
> >> it by default (in a separate patch).
> >>
> >> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
> >> Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
> >> Tested-by: Andrew Randrianasulu <randrianasulu@gmail.com>
> >> Tested-by: Howard Spoelstra <hsp.cat7@gmail.com>
> >> Message-id: 0b1b7c22873a6e37627261b04fb687412b25ff4f.1552152100.git.balaton@eik.bme.hu
> >> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> > [...]
> >> diff --git a/hw/display/trace-events b/hw/display/trace-events
> >> index 37d3264bb2e6..80993cc4d913 100644
> >> --- a/hw/display/trace-events
> >> +++ b/hw/display/trace-events
> >> @@ -138,3 +138,7 @@ vga_cirrus_write_blt(uint32_t offset, uint32_t val) "offset 0x%x, val 0x%x"
> >>  sii9022_read_reg(uint8_t addr, uint8_t val) "addr 0x%02x, val 0x%02x"
> >>  sii9022_write_reg(uint8_t addr, uint8_t val) "addr 0x%02x, val 0x%02x"
> >>  sii9022_switch_mode(const char *mode) "mode: %s"
> >> +
> >> +# hw/display/ati*.c
> >> +ati_mm_read(unsigned int size, uint64_t addr, const char *name, uint64_t val) "%u 0x%"HWADDR_PRIx " %s -> 0x%"PRIx64
> >> +ati_mm_write(unsigned int size, uint64_t addr, const char *name, uint64_t val) "%u 0x%"HWADDR_PRIx " %s <- 0x%"PRIx64
> >
> > Blows up for me:
> >
> > Traceback (most recent call last):
> >  File "/work/armbru/qemu/scripts/tracetool.py", line 152, in <module>
> >    main(sys.argv)
> >  File "/work/armbru/qemu/scripts/tracetool.py", line 147, in main
> >    binary=binary, probe_prefix=probe_prefix)
> >  File "/work/armbru/qemu/scripts/tracetool/__init__.py", line 472, in generate
> >    tracetool.format.generate(events, format, backend, group)
> >  File "/work/armbru/qemu/scripts/tracetool/format/__init__.py", line 85, in generate
> >    func(events, backend, group)
> >  File "/work/armbru/qemu/scripts/tracetool/format/log_stap.py", line 121, in generate
> >    fmt_str = "%d@%d " + e.name + " " + c_fmt_to_stap(e.fmt) + "\\n"
> >  File "/work/armbru/qemu/scripts/tracetool/format/log_stap.py", line 64, in c_fmt_to_stap
> >    bits.append(c_macro_to_format(macro))
> >  File "/work/armbru/qemu/scripts/tracetool/format/log_stap.py", line 36, in c_macro_to_format
> >    raise Exception("Unhandled macro '%s'" % macro)
> > Exception: Unhandled macro 'HWADDR_PRIx'
>
> No idea. Nobody else reported a problem with this yet and the above error
> makes no sense to me. Cc'd some tracetool related people who hopefully can
> hint what might be wrong. Do you get error during build? What trace
> backend do you use?

I hit the same issue on my daily QEMU builds for Fedora this morning:
https://copr-be.cloud.fedoraproject.org/results/davidlt/latest-qemu/fedora-29-x86_64/00867106-qemu/
build.log.gz contains all the details.

david