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Re: [Qemu-ppc] [PATCH 4/4] exec: refactor cpu_restore_state
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-ppc] [PATCH 4/4] exec: refactor cpu_restore_state |
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Date: |
Tue, 04 Dec 2012 15:39:36 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 |
On 2012-12-04 15:25, Peter Maydell wrote:
> So this is just a refactoring, but it prompts me to ask -- how does
> this work if the PC that caused us to take this TLB fill is legitimately
> zero? We seem to be overloading retaddr==0 as a "not a real cpu fault"
> indicator...
Since this is a host code address, usually inside code_gen_buffer,
not a target code address, this isn't ever going to happen.
r~