questions on CONFIG_PPC_ADV_DEBUG_REGS, DBCR0_BRT, and DBCR0_ACTIVE_EVENTS

[Deepak Pandian]

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On Fri, Apr 12, 2013 at 4:51 AM, Chris Friesen
<chris.friesen at genband.com> wrote:
> Hi all,
>
> Sorry for the bunch of emails, I'm working on some new stuff and running
> into issues.
>
> For CONFIG_BOOKE it appears that DBCR0_ACTIVE_EVENTS includes DBCR0_ICMP but
> not DBCR0_BRT.  Is that just because none of the code paths currently using
> DBCR0_ACTIVE_EVENTS need to check DBCR0_BT?
>
> Also, in sys_debug_setcontext() why does SIG_DBG_BRANCH_TRACING return
> -EINVAL if CONFIG_PPC_ADV_DEBUG_REGS is set?  Would it not be possible to
> use DBCR0_BRT?
>
> Thanks,
> Chris
>
> --
>
> Chris Friesen
> Software Designer
>
> 500 Palladium Drive, Suite 2100
> Ottawa, Ontario K2N 1C2, Canada
> www.genband.com
> office:+1.343.883.2717
> chris.friesen at genband.com
>
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-- 
With Regards,
Deepak Pandian
"Deconstructing world one piece at a time"