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From: "Frank Ch. Eigler" <fche@redhat.com>
To: Joseph Altmaier <joseph.altmaier@gmail.com>
Cc: sid@sources.redhat.com
Subject: Re: Problem Halting Execution
Date: Fri, 28 May 2010 15:58:00 -0000	[thread overview]
Message-ID: <20100528155817.GF25135@redhat.com> (raw)
In-Reply-To: <AANLkTikXtJzwH_0TxMmvCGn0PLM9U0-mxwiKg4tGEd8Q@mail.gmail.com>

Hi -

> I'm writing a SID port, and I can't get it to halt properly.

What kind of halt do you want exactly?  A simulator termination?
Handing of control to gdb?

> What is the functionality of yield()?� It does not seem to stop
> instruction flow.

It should end the step_insn() loop soon and return.

> When yield() is called step_insns() will return after the break at
> the end of the loop but then it gets called again. [...]

Yes, unless told otherwise, the scheduler that's driving the cpu
instruction steps will signal again to continue running.

- FChE

  reply	other threads:[~2010-05-28 15:58 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-28 15:36 Joseph Altmaier
2010-05-28 15:58 ` Frank Ch. Eigler [this message]
2010-05-28 16:12   ` Joseph Altmaier
2010-05-28 16:20     ` Frank Ch. Eigler

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