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Re: [Qemu-devel] [PATCH v2 2/2] target-arm: Fix CPU breakpoint handling
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From: |
Sergey Fedorov |
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Subject: |
Re: [Qemu-devel] [PATCH v2 2/2] target-arm: Fix CPU breakpoint handling |
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Date: |
Fri, 9 Oct 2015 16:59:18 +0300 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
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