From: David Gibson <david@gibson.dropbear.id.au>
To: Programmingkid <programmingkidx@gmail.com>
Cc: "Aravinda Prasad" <arawinda.p@gmail.com>,
"Greg Kurz" <groug@kaod.org>,
npiggin@gmail.com, "QEMU Developers" <qemu-devel@nongnu.org>,
"Ganesh Goudar" <ganeshgr@linux.ibm.com>,
"Cédric Le Goater" <clg@kaod.org>, qemu-ppc <qemu-ppc@nongnu.org>
Subject: Re: [PATCH v2 6/8] target/ppc: allow ppc_cpu_do_system_reset to take an alternate vector
Date: Wed, 18 Mar 2020 09:46:15 +1100 [thread overview]
Message-ID: <20200317224615.GO20264@umbus.fritz.box> (raw)
In-Reply-To: <34ABB38A-B887-41B5-9108-25DA6ADB4B24@gmail.com>
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On Tue, Mar 17, 2020 at 11:06:15AM -0400, Programmingkid wrote:
>
> > On Mar 17, 2020, at 7:01 AM, qemu-ppc-request@nongnu.org wrote:
> >
> > Message: 3
> > Date: Tue, 17 Mar 2020 11:47:32 +0100
> > From: Cédric Le Goater <clg@kaod.org>
> > To: David Gibson <david@gibson.dropbear.id.au>, Nicholas Piggin
> > <npiggin@gmail.com>
> > Cc: qemu-ppc@nongnu.org, Aravinda Prasad <arawinda.p@gmail.com>,
> > Ganesh Goudar <ganeshgr@linux.ibm.com>, Greg Kurz <groug@kaod.org>,
> > qemu-devel@nongnu.org
> > Subject: Re: [PATCH v2 6/8] target/ppc: allow ppc_cpu_do_system_reset
> > to take an alternate vector
> > Message-ID: <097148e5-78be-a294-236d-160fb5c29d4a@kaod.org>
> > 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_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2020-03-17 23:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.138.1584442890.3017.qemu-ppc@nongnu.org>
2020-03-17 15:06 ` [PATCH v2 6/8] target/ppc: allow ppc_cpu_do_system_reset to take an alternate vector Programmingkid
2020-03-17 22:46 ` David Gibson [this message]
2020-03-19 20:49 ` Programmingkid
2020-03-16 14:26 [PATCH v2 0/8] FWNMI fixes / changes Nicholas Piggin
2020-03-16 14:26 ` [PATCH v2 6/8] target/ppc: allow ppc_cpu_do_system_reset to take an alternate vector Nicholas Piggin
2020-03-16 18:04 ` Greg Kurz
2020-03-16 18:15 ` Cédric Le Goater
2020-03-16 23:28 ` Nicholas Piggin
2020-03-16 23:34 ` David Gibson
2020-03-17 10:47 ` Cédric Le Goater
2020-03-16 23:28 ` David Gibson
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