questions on CONFIG_PPC_ADV_DEBUG_REGS, DBCR0_BRT, and DBCR0_ACTIVE_EVENTS
scottwood at freescale.com
Tue May 20 03:47:57 EST 2014
On Sun, 2014-05-18 at 16:38 -0700, shiva7 wrote:
> Thanks Scott.
> Apologize for not quoting the old email reference.
You did it again. :-)
> I assumed the old archive content always will be in the trail.
It's in the archives (as I noted), but it's a pain to search for it
versus having relevant bits quoted.
> Any idea whether the DBCR0 BRT bit actually works(??),
Do you have reason to believe that it might not?
> if I add DBCR0 under sys_debug context call? because this code seems
> like direct porting and wondering why on first place not included under
> debug_context call.
Again, it was probably an oversight, but the people who might know for
sure are no longer reachable.
> And also, anything special required for "server" family application code
> porting here ?? as because in server family the trace exception used to viz
> NORMAL exception proglog and uses SRR0 and SRR1 but in this ISA/embedded
> case have dedicated DEBUG_DEBUG prolog and dedicated registers DSRR0 and
IIRC the branch taken mechanism does have different semantics than the
equivalent mechanism on server. You can find discussion of this in the
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