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Re: [Qemu-discuss] Connecting timing model to QEMU

From: Peter Maydell
Subject: Re: [Qemu-discuss] Connecting timing model to QEMU
Date: Tue, 30 Jun 2015 17:12:50 +0100

On 30 June 2015 at 17:05, web <address@hidden> wrote:
> I am finding a way to connecting QEMU to a timing model of my CPU.
> All I need is find out a way to catch all instruction trace and the result
> of each instruction, and send them to a FIFO which connects to my timing
> model.
> Could anyone tell me where should I insert my code to catch these info?

To a first approximation, you can't. QEMU is not designed
to instrument guest code like this, and it doesn't have
convenient points to trace memory accesses or instruction
execution. It's not impossible, but it would not be a
trivial change.

-- PMM

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