Hi Kumar, Thanks for the pointers. This POST will run from the bootcode.
I looked into the block diagram for MPC8572, and it seems that apart from L1 caches other component are shared (foe ex, L2, table look-up unit, gigE, SDRAM). So, I was wondering whether we can do something like - run _all_ the POST from core 1 and run only L1 cache test from core 2. Actually I referred 'e500 core Family Ref Manual', but could not get answer to my below question. Thanks, Vinay. --- Kumar Gala <[EMAIL PROTECTED]> wrote: > > On Jan 31, 2007, at 2:02 AM, vinay hegde wrote: > > > Hi, > > > > Actually, what I mean is, there are two > independent L1 > > caches (one in first e500 core and other in second > > e500 core) in mpc8572. Now, if I am running cache > > test(POST) on mpc8572, I must somehow make sure > that > > it tests both the L1 caches. Generally, earlier > there > > used to be one e500 core, one L1 cache and hence > cache > > test does not need to query whether it is testing > L1 > > of first core or L1 of second. > > > > So, how to make sure that I am testing L1 caches > on > > _both_ the e500 cores? > > Ok, will it sounds like just want to run your tests > on both cores. > It depends on how you are invoking your tests today. > Is it from > bootcode? or a Linux app or driver? > > - k > > >> On Jan 30, 2007, at 10:58 PM, vinay hegde wrote: > >> > >>> Hi, > >>> > >>> Sorry for the repeat mail on this, I forgot to > ask > >> the > >>> question;-) > >>> > >>> If anybody knows how to differentiate one e500 > >> core > >>> from another (in multi-core proc's), please post > a > >>> message. > >> > >> Do you mean some software ID to know which core > you > >> are running on? > >> > >> If so the PIR should be used for this purpose. > >> > >> - k > >> > >>> --- vinay hegde <[EMAIL PROTECTED]> > wrote: > >>> > >>>> Hi, > >>>> > >>>> I have a need to write a POST sort of a test to > >> test > >>>> L1 data/inst cache residing on each of the e500 > >> v2 > >>>> multi-core seperately (for a network hardware). > >> This > >>>> is because multicore e500 has seperate L1 > caches > >> and > >>>> shared L2 cache. > >>>> > >>>> This is for mpc8572. I learnt from this list > that > >>>> mpc8572 isn't out yet, but thought that > >>>> differentiating between e500 mult-cores has > >> nothing > >>>> to > >>>> do with mpc8572. > >>>> > >>>> Please let me know if you have any inputs. > >>>> > >>>> Thanks, > >>>> Vinay. > >>>> > >>>> > >>>> > >>>> > >>> > >> > > > ______________________________________________________________________ > >> > >>> ______________ > >>>> Expecting? Get great news right away with email > >>>> Auto-Check. > >>>> Try the Yahoo! Mail Beta. > >>>> > >>> > >> > > > http://advision.webevents.yahoo.com/mailbeta/newmail_tools.html > >>>> > >>>> _______________________________________________ > >>>> Linuxppc-embedded mailing list > >>>> Linuxppc-embedded@ozlabs.org > >>>> > >>> > >> > > > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >>>> > >>> > >>> > >>> > >>> > >>> > >> > > > ______________________________________________________________________ > >> > >>> ______________ > >>> Don't get soaked. Take a quick peak at the > >> forecast > >>> with the Yahoo! Search weather shortcut. > >>> > >> > http://tools.search.yahoo.com/shortcuts/#loc_weather > >>> _______________________________________________ > >>> Linuxppc-embedded mailing list > >>> Linuxppc-embedded@ozlabs.org > >>> > >> > > > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >> > >> > > > > > > > > > > > ______________________________________________________________________ > > > ______________ > > 8:00? 8:25? 8:40? Find a flick in no time > > with the Yahoo! Search movie showtime shortcut. > > http://tools.search.yahoo.com/shortcuts/#news > > ____________________________________________________________________________________ Expecting? Get great news right away with email Auto-Check. Try the Yahoo! Mail Beta. http://advision.webevents.yahoo.com/mailbeta/newmail_tools.html _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
