From: Richard Henderson <rth@twiddle.net>
To: "Emilio G. Cota" <cota@braap.org>,
Peter Maydell <peter.maydell@linaro.org>,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [qemu] How to reliably obtain physaddr from vaddr
Date: Sun, 15 Mar 2015 16:10:21 -0700 [thread overview]
Message-ID: <5506115D.9070908@twiddle.net> (raw)
In-Reply-To: <20150315100051.GA26584@flamenco>
On 03/15/2015 03:00 AM, Emilio G. Cota wrote:
> On a TLB hit this is trivial (just do nothing), but on
> a TLB miss I'm lost on what to do--I cannot even follow
> where helper_ld/st go (grep doesn't help), although I
> suspect it's TCG backend ops and I don't see an obvious
> way of adding a new operation there.
It goes into softmmu_template.h. Which then tests a victim tlb, and finally
calls tlb_fill. You'll probably need to do the same.
r~
next parent reply other threads:[~2015-03-15 23:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20150315100051.GA26584@flamenco>
2015-03-15 23:10 ` Richard Henderson [this message]
2015-03-16 0:42 ` [Qemu-devel] [qemu] How to reliably obtain physaddr from vaddr Emilio G. Cota
2015-03-16 20:08 ` Emilio G. Cota
2015-03-16 22:23 ` Peter Maydell
2015-03-17 1:10 ` Emilio G. Cota
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