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Re: [Qemu-devel] About QEMU debugging console


From: Blue Swirl
Subject: Re: [Qemu-devel] About QEMU debugging console
Date: Tue, 26 Oct 2010 18:59:35 +0000

On Tue, Oct 26, 2010 at 12:22 PM, Zhiyuan Shao <address@hidden> wrote:
> Hi team,
>
> I am a Qemu User, and using Qemu 0.13.0 to debugging the linux kernel
> code (Qemu+GDB).
>
> During the usage, I found the Qemu debugging console (i.e., entered by
> pressing Ctl+Alt+2 in Qemu SDL window or by passing "-monitor stdio" to
> Qemu in the command line) is rather difficult to use. It can not show
> some important information, e.g., on i386 platform, which is my major
> interest, it can not show IDT, GDT information. Regarding the page
> mapping information, "info tlb" actually do a really bad job.

How is that bad?

> On this side, I think Bochs is good. Unfortunately, it seems do not
> support gdb-stub debugging and general purpose debugging at the same
> time.
>
> I do not know if the Qemu team had made any plans to improve this? such
> as embedding the bochs debugging alike functionalities in future Qemu
> releases?

Perhaps nobody were aware that there were any lack of functionalities.
I think these should be very easy to add.



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