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Re: [PATCH v2 6/8] target/ppc: allow ppc_cpu_do_system_reset to take an
Re: [PATCH v2 6/8] target/ppc: allow ppc_cpu_do_system_reset to take an alternate vector
Wed, 18 Mar 2020 09:46:15 +1100
On Tue, Mar 17, 2020 at 11:06:15AM -0400, Programmingkid wrote:
> > On Mar 17, 2020, at 7:01 AM, address@hidden wrote:
> > Message: 3
> > Date: Tue, 17 Mar 2020 11:47:32 +0100
> > From: Cédric Le Goater <address@hidden>
> > To: David Gibson <address@hidden>, Nicholas Piggin
> > <address@hidden>
> > Cc: address@hidden, Aravinda Prasad <address@hidden>,
> > Ganesh Goudar <address@hidden>, Greg Kurz <address@hidden>,
> > address@hidden
> > Subject: Re: [PATCH v2 6/8] target/ppc: allow ppc_cpu_do_system_reset
> > to take an alternate vector
> > Message-ID: <address@hidden>
> > Content-Type: text/plain; charset=windows-1252
> > On 3/17/20 12:34 AM, David Gibson wrote:
> >> On Tue, Mar 17, 2020 at 09:28:24AM +1000, Nicholas Piggin wrote:
> >>> Cédric Le Goater's on March 17, 2020 4:15 am:
> >>>> On 3/16/20 3:26 PM, Nicholas Piggin wrote:
> >>>>> Provide for an alternate delivery location, -1 defaults to the
> >>>>> architected address.
> >>>> I don't know what is the best approach, to override the vector addr
> >>>> computed by powerpc_excp() or use a machine class handler with
> >>>> cpu->vhyp.
> >>> Yeah it's getting a bit ad hoc and inconsistent with machine check
> >>> etc, I just figured get something minimal in there now. The whole
> >>> exception delivery needs a spring clean though.
> Currently Mac OS 9 will not restart. When someone goes to restart it
> the screen will turn black and stay that way. Could this patch solve
> this problem?
No. It's unlikely to be related, and at this stage is used
exclusively to implement the FWNMI stuff for the pseries machine.
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
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