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| From: | Paul Brook |
| Subject: | Re: [Qemu-devel] [PATCH 0/5] Debugger enhancements |
| Date: | Sat, 31 May 2008 18:05:03 +0100 |
| User-agent: | KMail/1.9.9 |
> 2) The current watchpoint code is not implemented correctly so it is not > safe to improve it using the same system (IMHO it should not have been > commited in its current state). A correct implementation should not > delay the DEBUG exception. It should be implemented like the "normal" > MMU exceptions. On most targets watchpoint traps occur after the instruction completes, so you have to defer the DEBUG exception. Normal MMU faults occur before the instruction completes. Paul
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