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Date: Mon, 29 Dec 2008 13:34:01 +0100
From: Stefan Weil <weil@mail.berlios.de>
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Subject: Re: [Qemu-devel] [PATCH] Add single stepping option for all targets
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To: QEMU Developers <qemu-devel@nongnu.org>

Stefan Weil schrieb:
> This patch replaces the compile time options SH4_SINGLE_STEP,
> DO_SINGLE_STEP and MIPS_SINGLE_STEP
> by a command line option -singlestep.
>
> It also adds single step mode for targets which did not have a compile
> time option,
> so all system emulations can be used with -singlestep. Please note that
> I did only
> run a short test for i386 and mips targets.
>
> A new monitor command is provided to enable or disable single step mode.
> The monitor command "info status" was modified to display single step
> mode when activated.
>
> Single stepping in Qemu's system emulation mode is useful to see the cpu
> state
> for each cpu instruction when used with -d in_asm,cpu. It is also a
> simple way to
> slow down the emulation.
>
> The patch does not add single step mode for Qemu's user mode emulation.
> Would this be useful, too?
>
> Kind regards
> Stefan Weil
>
>   


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