From: Jan Kiszka <jan.kiszka@web.de>
To: 陳韋任 <chenwj@iis.sinica.edu.tw>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] When the tlb_fill will be called from generated code?
Date: Tue, 27 Sep 2011 09:06:55 +0200 [thread overview]
Message-ID: <4E81760F.809@web.de> (raw)
In-Reply-To: <20110927041528.GA74070@cs.nctu.edu.tw>
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On 2011-09-27 06:15, 陳韋任 wrote:
> Hi, all
>
> The comment above tlb_fill says:
>
> /* try to fill the TLB and return an exception if error. If retaddr is
> NULL, it means that the function was called in C code (i.e. not
> from generated code or from helper.c) */
>
> I see tlb_fill only be called from softmmu_template.h (i.e., C code). I
> am wondering when/where the tlb_fill is called from generated code (code
> cache) or from helper.c.
>
You can find the answer yourself: Load qemu into gdb, set a breakpoint
on that function and let it run. If you want to catch only the retaddr
== NULL case, make the breakpoint conditional.
Jan
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next prev parent reply other threads:[~2011-09-27 7:07 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-27 4:15 [Qemu-devel] When the tlb_fill will be called from generated code? 陳韋任
2011-09-27 7:06 ` Jan Kiszka [this message]
2011-09-27 11:02 ` 陳韋任
2011-09-27 11:29 ` Max Filippov
2011-09-28 3:51 ` 陳韋任
2011-09-28 6:36 ` Max Filippov
2011-09-29 3:40 ` Mulyadi Santosa
2011-09-29 3:45 ` 陳韋任
2011-09-27 17:10 ` Blue Swirl
2011-09-28 2:32 ` 陳韋任
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