From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Check if we really are in userspace
Date: Sat, 11 Mar 2006 16:07:48 +0000 [thread overview]
Message-ID: <200603111607.49176.paul@codesourcery.com> (raw)
In-Reply-To: <20060216164110.GD23684@networkno.de>
> Index: cpu-exec.c
> ===================================================================
> RCS file: /sources/qemu/qemu/cpu-exec.c,v
> retrieving revision 1.73
> diff -u -p -r1.73 cpu-exec.c
> --- cpu-exec.c 8 Feb 2006 22:43:39 -0000 1.73
> +++ cpu-exec.c 16 Feb 2006 15:21:03 -0000
> @@ -1089,7 +1089,9 @@ static inline int handle_cpu_signal(unsi
> }
>
> /* see if it is an MMU fault */
> - ret = cpu_mips_handle_mmu_fault(env, address, is_write, 1, 0);
> + ret = cpu_mips_handle_mmu_fault(env, address, is_write,
> + ((env->hflags & MIPS_HFLAG_MODE)
> + == MIPS_HFLAG_UM), 0);
> if (ret < 0)
> return 0; /* not an MMU fault */
> if (ret == 0)
This code is only used when !defined(CONFIG_SOFTMMU), ie. usermode emulation.
The i386 code is a leftover of the now-dead qemu-fast. Presumably the ppc code
was just copied from these.
Paul
prev parent reply other threads:[~2006-03-11 16:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-16 16:41 [Qemu-devel] [PATCH] Check if we really are in userspace Thiemo Seufer
2006-03-11 16:07 ` Paul Brook [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200603111607.49176.paul@codesourcery.com \
--to=paul@codesourcery.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).