| Subject | Re: [PATCH 00/15] powerpc/watchpoint: Preparation for more than one watchpoint | From | Ravi Bangoria <> | Date | Wed, 18 Mar 2020 18:22:28 +0530 |
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On 3/16/20 8:35 PM, Christophe Leroy wrote: > > > Le 09/03/2020 à 09:57, Ravi Bangoria a écrit : >> So far, powerpc Book3S code has been written with an assumption of only >> one watchpoint. But future power architecture is introducing second >> watchpoint register (DAWR). Even though this patchset does not enable >> 2nd DAWR, it make the infrastructure ready so that enabling 2nd DAWR >> should just be a matter of changing count. > > Some book3s (e300 family for instance, I think G2 as well) already have a DABR2 in addition to DABR. > Will this series allow to use it as well ?
I wasn't aware of that. I'll take a look at their specs and check if they can piggyback on this series for 2nd DABR.
Thanks, Ravi
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