From: Stefan Weil <sw@weilnetz.de>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "Hervé Poussineau" <hpoussin@reactos.org>,
qemu-devel@nongnu.org, "Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-devel] [PATCH for-1.6] target-mips: do not raise exceptions when accessing invalid memory
Date: Sat, 27 Jul 2013 21:37:46 +0200 [thread overview]
Message-ID: <51F4218A.1060802@weilnetz.de> (raw)
In-Reply-To: <CAFEAcA_Q=jCe9B_bz+NEpZM0iSQVi0vUAwwk+tAtWtWTKmO98Q@mail.gmail.com>
Am 27.07.2013 19:43, schrieb Peter Maydell:
> On 27 July 2013 17:18, Hervé Poussineau <hpoussin@reactos.org> wrote:
>> Another solution would be to add a big dummy memory regions on all MIPS boards
>> to catch memory accesses and not raise an exception. However, this means that
>> each MIPS board will have its own unassigned memory handler, different from the
>> global QEMU one.
> Better would be to at least provide fake RAZ/WI implementations of
> devices for the boards, rather than making the dummy region cover
> the whole of the address space. Not 1.6 material, though.
>
> -- PMM
I prefer keeping the correct code for target-mips/op_helper.c
and adding either the big dummy memory regions or fake
device implementations (both with TODO comments) for 1.6.
It would also be acceptable to fix the boards in 1.6.1 and add
a comment to the 1.6 release notes about the "regression".
Stefan
next prev parent reply other threads:[~2013-07-27 20:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-27 16:18 [Qemu-devel] [PATCH for-1.6] target-mips: do not raise exceptions when accessing invalid memory Hervé Poussineau
2013-07-27 16:49 ` Andreas Färber
2013-07-27 17:43 ` Peter Maydell
2013-07-27 19:37 ` Stefan Weil [this message]
2013-07-27 20:43 ` Andreas Färber
2013-07-27 20:57 ` Peter Maydell
2013-07-27 20:58 ` Stefan Weil
2013-07-29 20:35 ` Stefan Weil
2013-08-04 22:04 ` Aurélien Jarno
2013-08-04 22:37 ` Peter Maydell
2013-08-05 5:19 ` Stefan Weil
2013-08-05 12:27 ` Aurélien Jarno
2013-08-05 8:45 ` Andreas Färber
2013-08-05 8:47 ` Jan Kiszka
2013-08-05 13:31 ` Aurélien Jarno
2013-08-05 13:45 ` Andreas Färber
2013-08-05 13:53 ` Hervé Poussineau
2013-08-05 14:07 ` Aurélien Jarno
2013-08-05 14:15 ` Peter Maydell
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