From: Alexander Graf <agraf@suse.de>
To: "Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
"Cédric Le Goater" <clg@kaod.org>
Cc: Thomas Huth <thuth@redhat.com>,
David Gibson <david@gibson.dropbear.id.au>,
qemu-ppc@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation
Date: Mon, 20 Jun 2016 15:55:42 +0200 [thread overview]
Message-ID: <5767F5DE.2020505@suse.de> (raw)
In-Reply-To: <1466415136.24271.146.camel@kernel.crashing.org>
On 06/20/2016 11:32 AM, Benjamin Herrenschmidt wrote:
> On Mon, 2016-06-20 at 18:02 +1000, Benjamin Herrenschmidt wrote:
>> On Mon, 2016-06-20 at 17:08 +1000, Benjamin Herrenschmidt wrote:
>>>
>>> That fixed, it dies elsewhere in something related to page faults,
>>> still digging.
>>>
>> Next problem: Darwin kernel assumes DSISR is 0 on a 0x380 exception !
>>
>> qemu was leaving it to whatever value it had before. Kaboom.
>>
>> Now it crashes a bit further :-)
> Right so it tries to load a MacRISC2 PE because we don't really emulate
> a MacRISC4 with U3 etc... and that isn't going to do it any good,
> really..
>
> I'm not *actually* sure where MacOS gets itself into a spin, it seems
> to be poking at something at 0xf280_0000 which is somewhat odd as this
> would be the IO space and we have nothing there afaik, but I am not
> enough of a MacOS expert to figure out quite how to track down which
> kext it gets into etc...
>
> In any case, the machine we give it is definitely nowhere near a real
> G5 and that might be the main reason. More work needed.
>
> I'll still cleanup & submit my current crop of fixes in case somebody
> wants to have a look.
Since the patches do get you further along and get us closer to an
actual 970, I guess it's a good idea to actually push them into the tree.
Alex
next prev parent reply other threads:[~2016-06-20 13:55 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-13 5:24 [Qemu-devel] [PATCH 00/10] rework exception model to support the HV mode Cédric Le Goater
2016-06-13 5:24 ` [Qemu-devel] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation Cédric Le Goater
2016-06-16 1:07 ` David Gibson
2016-06-17 2:27 ` [Qemu-devel] [Qemu-ppc] " David Gibson
2016-06-17 5:54 ` Cédric Le Goater
2016-06-17 6:03 ` Cédric Le Goater
2016-06-17 6:28 ` David Gibson
2016-06-17 6:39 ` Cédric Le Goater
2016-06-17 7:10 ` Thomas Huth
2016-06-17 7:17 ` Cédric Le Goater
2016-06-17 10:41 ` Cédric Le Goater
2016-06-17 11:02 ` Thomas Huth
2016-06-17 11:11 ` Alexander Graf
2016-06-17 14:32 ` Cédric Le Goater
2016-06-18 23:35 ` Benjamin Herrenschmidt
2016-06-19 12:49 ` Cédric Le Goater
2016-06-19 13:00 ` Alexander Graf
2016-06-19 17:21 ` Cédric Le Goater
2016-06-19 22:15 ` Benjamin Herrenschmidt
2016-06-19 22:35 ` Benjamin Herrenschmidt
2016-06-20 7:08 ` Benjamin Herrenschmidt
2016-06-20 7:11 ` Alexander Graf
2016-06-20 8:02 ` Benjamin Herrenschmidt
2016-06-20 9:32 ` Benjamin Herrenschmidt
2016-06-20 13:55 ` Alexander Graf [this message]
2016-06-21 8:21 ` Mark Cave-Ayland
2016-06-21 9:33 ` Benjamin Herrenschmidt
2016-06-21 9:37 ` Benjamin Herrenschmidt
2016-06-19 14:08 ` Benjamin Herrenschmidt
2016-06-19 17:23 ` Cédric Le Goater
2016-06-19 21:12 ` Benjamin Herrenschmidt
2016-06-20 2:19 ` David Gibson
2016-06-20 6:17 ` Cédric Le Goater
2016-06-20 7:47 ` Thomas Huth
2016-06-20 8:21 ` Benjamin Herrenschmidt
2016-06-20 8:46 ` Cédric Le Goater
2016-06-20 8:18 ` Benjamin Herrenschmidt
2016-06-20 6:10 ` Cédric Le Goater
2016-06-20 8:18 ` Benjamin Herrenschmidt
2016-06-18 23:30 ` Benjamin Herrenschmidt
2016-06-18 23:29 ` Benjamin Herrenschmidt
2016-06-17 6:19 ` [Qemu-devel] " Cédric Le Goater
2016-06-13 5:24 ` [Qemu-devel] [PATCH 02/10] ppc: Create cpu_ppc_set_papr() helper (for LPCR) Cédric Le Goater
2016-06-14 6:15 ` David Gibson
2016-06-14 6:52 ` Cédric Le Goater
2016-06-15 1:01 ` David Gibson
2016-06-13 5:24 ` [Qemu-devel] [PATCH 03/10] ppc: Rework POWER7 & POWER8 exception model (part 2) Cédric Le Goater
2016-06-14 6:25 ` David Gibson
2016-06-14 21:19 ` Benjamin Herrenschmidt
2016-06-15 1:00 ` David Gibson
2016-06-13 5:24 ` [Qemu-devel] [PATCH 04/10] ppc: Fix POWER7 and POWER8 exception definitions Cédric Le Goater
2016-06-13 5:24 ` [Qemu-devel] [PATCH 05/10] ppc: Fix generation if ISI/DSI vs. HV mode Cédric Le Goater
2016-06-14 6:34 ` David Gibson
2016-06-14 6:42 ` Cédric Le Goater
2016-06-15 1:09 ` David Gibson
2016-06-13 5:24 ` [Qemu-devel] [PATCH 06/10] ppc: Rework generation of priv and inval interrupts Cédric Le Goater
2016-06-15 1:19 ` David Gibson
2016-06-15 4:31 ` Benjamin Herrenschmidt
2016-06-15 5:06 ` David Gibson
2016-06-13 5:24 ` [Qemu-devel] [PATCH 07/10] ppc: Add real mode CI load/store instructions for P7 and P8 Cédric Le Goater
2016-06-15 3:46 ` David Gibson
2016-06-13 5:24 ` [Qemu-devel] [PATCH 08/10] ppc: Turn a bunch of booleans from int to bool Cédric Le Goater
2016-06-13 5:24 ` [Qemu-devel] [PATCH 09/10] ppc: Move exception generation code out of line Cédric Le Goater
2016-06-13 7:44 ` Thomas Huth
2016-06-13 8:36 ` Cédric Le Goater
2016-06-15 1:57 ` David Gibson
2016-06-13 5:24 ` [Qemu-devel] [PATCH 10/10] ppc: Add P7/P8 Power Management instructions Cédric Le Goater
2016-06-15 1:56 ` David Gibson
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