We've used older versions of QEMU for several years as a virtual
target for our OS. Many thanks to the community for providing this
platform.
We've been working to get our OS running under QEMU 2.x and have
identified a few bugs in QEMU, have made some enhancements, and are
still tracking down so
David Gibson wrote on 06/14/2016 11:17:57
PM:
Aaron Larson
AL> 1. There is a defect in ppce500_spin.c:spin_kick() that creates an
AL>incorrectly sized TLB entry. This was reported as bug
AL>https://bugs.launchpad.net/qemu/+bug/1587535 I can provide a
AL>patch if desired.
DG> Abso
Thomas Huth wrote on 06/16/2016 01:25:45 AM:
> Thanks for your patch! However, patches have to follow certain rules
> before they can be included in QEMU. Please read through
Sorry for the broken patch, and the long delay. I'm not a git user
so its taken a while to climb the curve. I didn't ge
Note change of subject from "Determining interest in PPC e500spin,
yield".
Thomas Huth wrote on 06/16/2016 01:47:05 AM:
Aaron Larson wrote on 15.06.2016 22:12
in ppce500_spin.c
AL> @@ -104,6 +108,16 @@
AL>
AL> cpu_synchronize_state(cpu);
AL> stl_p(&curspin->pir, env->spr[SPR_PIR]);
When e500 PPC is booted multi-core, the non-boot cores are started via
the spin table. ppce500_spin.c:spin_kick() calls
mmubooke_create_initial_mapping() to allocate a 64MB TLB entry, but
the created TLB entry is only 256KB.
The root cause is that the function computing the size of the TLB
entry,
On 17 Jun 2016 22:55:47 Scott Wood wrote:
On 06/17/2016 05:13 PM, Aaron Larson wrote:
AL> The root cause is that the function computing the size of the TLB
AL> entry, namely booke206_page_size_to_tlb ... [is wrong]
AL> --- a/hw/ppc/ppce500_spin.c
AL> +++ b/hw/ppc/ppce500_spin.c
AL> @@ -75,7 +75,11
>Alex Bennée writes:
> I was running some historical tags for the last 10 years and got the
> following warnings:
>
> git log --use-mailmap --numstat --since "June 2010" | ~/src/gitdm.git/gitdm
> -n -l 5
> alar...@ddci.com is an author name, probably not what you want
> ...
> The following
On https://wiki.qemu.org/Hosts/Linux the list of recommended packages currently is a mix of RedHat and Debian names. I suggest the following instead: Recommended additional packages Package names are for Debian(RedHat).* git-email, used for sending patches* libsdl2-dev(libsdl2-devel), need
The target-ppc/excp_helper.c:powerpc_excp() case POWERPC_EXCP_FP fails
to set "env->spr[SPR_BOOKE_ESR] = ESR_FP;". I can submit a patch for
that, or anyone can add it, but I notice that in the other cases where
SPR_BOOKE_ESR is set, the "msr" is ALSO set. Since the "msr" is used
to initialize SRR
David Gibson wrote on 07/29/2016 12:40:15
AM:
> From: David Gibson
> To: alar...@ddci.com
> Cc: qemu-devel@nongnu.org, qemu-...@nongnu.org, ag...@suse.de
> Date: 07/29/2016 12:38 AM
> Subject: Re: target-ppc: SPR_BOOKE_ESR not set on FP exceptions
>
> On Thu, Jul 28, 2016 at 06:32:27PM -0500,
Aaron Larson wrote on 06/05/2017 12:22:53 PM:
> From: Aaron Larson
> To: ag...@suse.de, alar...@ddci.com, da...@gibson.dropbear.id.au,
qemu-devel@nongnu.org, qemu-...@nongnu.org
> Date: 06/05/2017 12:22 PM
> Subject: [PATCH v3] target-ppc: Enable open-pic timers to count and
generate interrupt
G 3 wrote on 06/18/2017 09:45:25 AM:
> >>> From: Aaron Larson
> >>> To: ag...@suse.de, alar...@ddci.com, da...@gibson.dropbear.id.au,
> >> qemu-devel@nongnu.org, qemu-...@nongnu.org
> >>> Date: 06/05/2017 12:22 PM
> >>> Subject: [PATCH v3] target-ppc: Enable open-pic timers to count and
> >> gen
G 3 wrote on 06/18/2017 03:38:29 PM:
> > From: Aaron Larson
> > Date: 06/05/2017 12:22 PM
> > Subject: [PATCH v3] target-ppc: Enable open-pic timers to count
> > and generate interrupts
> >
> > Previously QEMU open-pic implemented the 4 open-pic timers
> > including a
David Gibson wrote on 06/18/2017 04:04:48
AM:
> On Fri, Jun 16, 2017 at 11:31:02AM -0500, alar...@ddci.com wrote:
> > I haven't received any feedback on this patch, ... Did it get lost?
>
> No, I've just been busy and then sick. I'll get to it eventually..
As always, thanks for your efforts.
no-re...@patchew.org wrote on 04/21/2017 04:52:20 PM:
> This series failed build test on s390x host. Please find the details
below.
Sorry about that. I was working my way through checkpatch.pl output and
lost an
intermediate change.
David Gibson wrote on 04/23/2017 06:17:22
PM:
> From: David Gibson
> To: Aaron Larson
> Cc: ag...@suse.de, qemu-devel@nongnu.org, qemu-...@nongnu.org
> Date: 04/23/2017 06:54 PM
> Subject: Re: Subject: [PATCH] target-ppc: Add global timer group A to
open-pic.
>
> On Fri, Apr 21, 2017 at 02:5
David Gibson wrote on 06/04/2017 07:55:34
PM:
> From: David Gibson
> To: Aaron Larson
> Cc: ag...@suse.de, qemu-devel@nongnu.org, qemu-...@nongnu.org
> Date: 06/04/2017 07:55 PM
> Subject: Re: [PATCH] target-ppc: Fix openpic timer read register offset
>
> On Fri, Jun 02, 2017 at 04:32:59AM -0
David Gibson wrote on 05/12/2017 01:52:04
AM:
> From: David Gibson
> To: Aaron Larson
> Cc: ag...@suse.de, qemu-devel@nongnu.org, qemu-...@nongnu.org
> Date: 05/12/2017 01:52 AM
> Subject: Re: [PATCH v2] target-ppc: Enable open-pic timers to count and
generate interrupts
>
> On Tue, May 02,
David Gibson wrote on 05/13/2017 02:59:16
AM:
> From: David Gibson
> On Fri, May 12, 2017 at 09:34:33AM -0500, alar...@ddci.com wrote:
> > David Gibson wrote on 05/12/2017
01:52:04
Sorry for the long delay getting back to you. I was out of town for a
while.
> > > > +}
> > > > +uin
David Gibson wrote on 04/25/2017 11:34:41
PM:
Thanks for the review David. I'll send an updated patch soon with all
your comments addressed and all other s/0/NULL or false/ as
appropriate and a better commit message.
Just to clarify my concern; the patch causes the QEMU openpic timer to
be har
David Gibson wrote on 06/26/2016 08:36:52
PM:
> From: David Gibson
> To: Aaron Larson
> Cc: ag...@suse.de, qemu-devel@nongnu.org, qemu-...@nongnu.org
> Date: 06/26/2016 08:58 PM
> Subject: Re: [PATCH] target-ppc: Eliminate redundant and incorrect
function booke206_page_size_to_tlb
>
> On Fri
David Gibson wrote on 06/27/2016 12:32:13
AM:
> From: David Gibson
> To: alar...@ddci.com
> Cc: ag...@suse.de, qemu-devel@nongnu.org, qemu-...@nongnu.org
> Date: 06/27/2016 12:30 AM
> Subject: Re: [PATCH] target-ppc: Eliminate redundant and incorrect
function booke206_page_size_to_tlb
>
> On
David Gibson wrote on 06/28/2016 08:42:01
PM:
> On Tue, Jun 28, 2016 at 06:50:05AM -0700, Aaron Larson wrote:
> >
> > Eliminate redundant and incorrect booke206_page_size_to_tlb function
> > from ppce500_spin.c in preference to previously existing but newly
> > exported definition from e500.c
>
"Peter Maydell" wrote on 04/05/2018 09:05:53
AM:
> From: "Peter Maydell"
> To: alar...@ddci.com
> Cc: "QEMU Developers"
> Date: 04/05/2018 09:06 AM
> Subject: Re: [Qemu-devel] -icount changes physical address assignments
in QEMU 2.10/2.11
>
> On 22 March 2018 at 05:31, wrote:
> > Your patc
"Peter Maydell" wrote on 04/05/2018 12:28:01
PM:
> From: "Peter Maydell"
> To: alar...@ddci.com
> Cc: "QEMU Developers"
> Date: 04/05/2018 12:28 PM
> Subject: Re: [Qemu-devel] -icount changes physical address assignments
in QEMU 2.10/2.11
>
> On 5 April 2018 at 17:44, wrote:
> > "Peter May
"Peter Maydell" wrote on 04/06/2018 04:41:01
AM:
> From: "Peter Maydell"
> To: alar...@ddci.com
> Cc: "QEMU Developers" , "Stefan Weil"
> Date: 04/06/2018 04:41 AM
> Subject: Re: [Qemu-devel] -icount changes physical address assignments
in QEMU 2.10/2.11
>
> On 5 April 2018 at 22:23, wrot
"Peter Maydell" wrote on 04/06/2018 09:51:55
AM:
> I've now done this, and can reproduce the problem. So the
> issue is generic to 32-bit hosts.
Supporting evidence: I compiled Cygwin/MINGW with x86_64 and the
resulting binaries work properly
FWIW, the compile had some anomalous behavior:
...
"Peter Maydell" wrote on 04/06/2018 12:21:37
PM:
> On 6 April 2018 at 18:06, wrote:
> >
> > FWIW, the compile had some anomalous behavior:
> >
> > .../qemu-2.12.0-rc2/scripts/feature_to_c.sh: line 71: /usr/bin/sed:
> > Invalid argument
> >
> > line 71 is:
> > arrayname=xml_feature_$(echo $
"Mark Cave-Ayland" wrote on 04/06/2018
09:14:14 AM:
> From: "Mark Cave-Ayland"
> To: alar...@ddci.com, "Peter Maydell"
> Cc: "Stefan Weil" , "QEMU Developers"
> Date: 04/06/2018 09:14 AM
> Subject: Re: [Qemu-devel] -icount changes physical address assignments
in QEMU 2.10/2.11
>
> On 06/04
When porting our RTOS from QEMU 2.8 to 2.10/2.11, I ran into a problem
where 16-bit writes to the "bochs dispi interface" were being reported
differently depending on whether or not "-icount" was given to QEMU.
For example, info mtree:
...
11000500-11000515 (prio 0, i/o): bochs dispi interface
"Peter Maydell" wrote on 03/15/2018 11:55:19
AM:
> From: "Peter Maydell"
> To: alar...@ddci.com
> Cc: "QEMU Developers"
> Date: 03/15/2018 11:55 AM
> Subject: Re: [Qemu-devel] -icount changes physical address assignments
in QEMU 2.10/2.11
>
> On 23 February 2018 at 00:39, wrote:
> > When p
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