On 04.07.2011, at 17:43, Nathan Whitehorn wrote: > On 07/04/11 10:21, Alexander Graf wrote: >> On 12.06.2011, at 17:50, Nathan Whitehorn wrote: >> >>> The PIR register is architecturally specified on all PowerPC non-embedded >>> CPUs, but currently is only available on the 604, 620, and G4. Add it to >>> all 601-derived CPUs. >> Looking through the respective specs, I found the following matrix on PIR >> support: >> >> 601 yes >> 603e ? (no) >> 604e yes >> 750 ? (no) >> 7540 yes >> 970 yes >> >> 601 and 750 user manuals don't mention PIR. The overall 32-bit >> microarchitecture states PIR as "optional". So I'd say 750 and 603 simply >> don't implement it. However, that means it's missing for 970 and 601. Could >> you please update your patch accordingly? > > The actual 750 next to my desk has it, at least, but Freescale claims the 603 > doesn't. Should I update it for all of the individual CPUs, then, instead of > the 6xx patch?
If you have actual hardware to verify against, I'd say that overrules specs. But yes, please update it for the individual CPUs :). Alex PS: Please always reply-to-all on mailing list mails unless there's a very good reason not to (personal, nda, ...).
