Re: [Qemu-devel] [FYI] Soft feature freeze for 1.0 is 10/15 (three weeks away)

[Avi Kivity <avi@redhat.com>]

On 09/26/2011 08:15 PM, Blue Swirl wrote:
> On Mon, Sep 26, 2011 at 10:08 AM, Avi Kivity<avi@redhat.com>  wrote:
> >  On 09/25/2011 08:31 PM, Blue Swirl wrote:
> >>
> >>  >
> >>  >    Please point out a test case and I'll try to fix it.
> >>
> >>  Run qemu-system-ppc without any arguments. There is a black bar
> >>  (because of vga.chain4), it shouldn't be there.
> >
> >  With your pci hole patch, it's fixed, except for:
> >
> >      escc_mem = escc_init(0x80013000, pic[0x25], pic[0x24],
> >                           serial_hds[0], serial_hds[1], ESCC_CLOCK, 4)
> >
> >  This puts escc bang into the framebuffer.  Changing it to 0x90013000 makes
> >  the black bar go away.
> >
> >  Before the memory API, this worked, likely because the framebuffer overlays
> >  escc.
> >
> >  The correct fix depends on what the hardware does.  Is escc really
> >  registered into the pci area, and again as a BAR?
>
> I think the previous code assumed that there is a single BAR with
> default address of 0x80013000, but it can move as controlled by macio
> mapping.

So the fix would be to just drop this extraneous mapping?

-- 
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