From: "Glauber Costa" <glommer@gmail.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 3/6] use halted attribute for i386 too.
Date: Tue, 27 May 2008 13:25:05 -0300 [thread overview]
Message-ID: <5d6222a80805270925t4fea901co91a0464e4e73d362@mail.gmail.com> (raw)
In-Reply-To: <483C2A20.3010309@bellard.org>
On Tue, May 27, 2008 at 12:34 PM, Fabrice Bellard <fabrice@bellard.org> wrote:
> Glauber Costa wrote:
>>
>> Unlike other architectures, i386 lacked a "halted" attribute, going
>> with a flag into hflags. By using the halted attribute, we can make
>> the code look like more other architectures, and simplify the code in
>> some instances. In this commit, we make the code for info_cpus simpler
>> in monitor.c
>
> Good for the I386 halted attribute, as it was a mistake to put in in the
> hflags. For the memory, hflags should contain only parts of the CPU state
> known at translation time and should be equal to tb->flags. Most CPUs
> (including x86 !) do not follow this sane rule.
What about HF_GIF_MASK? It looks like another case of something that
is mistakenly put into hflags. What do you say?
> For cpu_info_ip, it would be simpler to return an uint64_t containing the
> PC. I don't think the sparc case with npc really matters.
>
> Fabrice.
>
>
>
>
--
Glauber Costa.
"Free as in Freedom"
http://glommer.net
"The less confident you are, the more serious you have to act."
next prev parent reply other threads:[~2008-05-27 16:25 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-27 15:18 [Qemu-devel] [PATCH 0/6] simplify cpu-exec new spin Glauber Costa
2008-05-27 15:18 ` [Qemu-devel] [PATCH 1/6] simplify cpu_exec Glauber Costa
2008-05-27 15:18 ` [Qemu-devel] [PATCH 2/6] Push common interrupt variables to cpu-defs.h Glauber Costa
2008-05-27 15:18 ` [Qemu-devel] [PATCH 3/6] use halted attribute for i386 too Glauber Costa
2008-05-27 15:18 ` [Qemu-devel] [PATCH 4/6] simply cpu_exec further Glauber Costa
2008-05-27 15:18 ` [Qemu-devel] [PATCH 5/6] isolate mmu code in arch-specific function Glauber Costa
2008-05-27 15:18 ` [Qemu-devel] [PATCH 6/6] cpu-exec-dump Glauber Costa
2008-05-27 15:38 ` Paul Brook
2008-05-27 15:30 ` [Qemu-devel] [PATCH 5/6] isolate mmu code in arch-specific function Fabrice Bellard
2008-05-27 15:42 ` Glauber Costa
2008-05-27 15:36 ` Paul Brook
2008-05-27 16:18 ` [Qemu-devel] [PATCH 4/6] simply cpu_exec further Blue Swirl
2008-05-27 16:27 ` Glauber Costa
2008-05-27 15:34 ` [Qemu-devel] [PATCH 3/6] use halted attribute for i386 too Fabrice Bellard
2008-05-27 16:10 ` Blue Swirl
2008-05-27 21:49 ` Glauber Costa
2008-05-27 16:25 ` Glauber Costa [this message]
2008-05-27 21:21 ` Fabrice Bellard
2008-05-27 15:39 ` [Qemu-devel] [PATCH 2/6] Push common interrupt variables to cpu-defs.h Fabrice Bellard
2008-05-27 15:33 ` [Qemu-devel] [PATCH 1/6] simplify cpu_exec Paul Brook
2008-05-27 16:05 ` Blue Swirl
2008-05-27 15:37 ` Fabrice Bellard
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