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Re: [Qemu-ppc] [Qemu-devel] [PATCH 4/4] exec: refactor cpu_restore_state

From: Peter Maydell
Subject: Re: [Qemu-ppc] [Qemu-devel] [PATCH 4/4] exec: refactor cpu_restore_state
Date: Tue, 4 Dec 2012 21:50:37 +0000

On 4 December 2012 21:39, Richard Henderson <address@hidden> wrote:
> 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.

Oh, right. I was confused by the fact we're keeping it in a uintptr_t
rather than a void*.

-- PMM

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