On Thu, Sep 24, 2009 at 07:34:34AM +1000, Benjamin Herrenschmidt wrote:

On Wed, 2009-09-23 at 09:51 -0400, Josh Boyer wrote:

[snip]

quoted

+static int do_step(struct pt_regs *regs)
+{
+	regs->msr |= MSR_DE;
+	mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM);

I'm not sure about setting IDM... Won't that be a problem if you have
an external debugger connected ?

Not in theory.  It should be possible to set both IDM and EDM
simultaneously.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson