From: Sergey Fedorov <serge.fdrv@gmail.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH v2 2/2] target-arm: Fix CPU breakpoint handling
Date: Fri, 9 Oct 2015 16:59:18 +0300 [thread overview]
Message-ID: <5617C836.8020103@gmail.com> (raw)
In-Reply-To: <CAFEAcA_DYm+Jz8tEbNmz6u+oZQhZ1vybOjXsEgBTsf8geT7UOQ@mail.gmail.com>
On 08.10.2015 21:40, Peter Maydell wrote:
> Annoying corner case which I don't think we need to handle necessarily:
> if you set a breakpoint on a 32-bit Thumb instruction which spans a page
> boundary, and the second page is not present, we will end up taking the
> page fault when I think we should take the breakpoint. I can't think
> of a way to get that right, so just commenting that it isn't handled
> right would do.
Could you please point out the piece of code which will generate the
page fault? Maybe I will give it a thought :)
Best regards,
Sergey
next prev parent reply other threads:[~2015-10-09 13:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-28 10:07 [Qemu-devel] [PATCH v2 0/2] target-arm: Fix breakpoint handling Sergey Fedorov
2015-09-28 10:07 ` [Qemu-devel] [PATCH v2 1/2] target-arm: Fix GDB " Sergey Fedorov
2015-10-08 18:20 ` Peter Maydell
2015-09-28 10:07 ` [Qemu-devel] [PATCH v2 2/2] target-arm: Fix CPU " Sergey Fedorov
2015-10-08 18:40 ` Peter Maydell
2015-10-09 13:53 ` Sergey Fedorov
2015-10-09 14:00 ` Peter Maydell
2015-10-09 14:03 ` Sergey Fedorov
2015-10-09 13:59 ` Sergey Fedorov [this message]
2015-10-09 14:04 ` Peter Maydell
2015-10-09 15:55 ` Sergey Fedorov
2015-10-09 15:59 ` Peter Maydell
2015-10-09 16:31 ` Sergey Fedorov
2015-10-12 12:41 ` Sergey Fedorov
2015-10-12 13:22 ` Peter Maydell
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