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3 Commits

Author SHA1 Message Date
Justin Hibbits
169dd953b0 Add hwpmc(4) support for the PowerPC 970 class processors, direct events. 
This also fixes asserts on removal of the module for the mpc74xx.

The PowerPC 970 processors have two different types of events: direct events
and indirect events.  Thus far only direct events are supported.  I included
some documentation in the driver on how indirect events work, but support is
for the future.

MFC after:	1 month
 2014-02-01 02:03:50 +00:00
Justin Hibbits
177f0102f4 Fix hwpmc(4) for 32-bit PowerPC. 2013-09-04 04:11:38 +00:00
Justin Hibbits
b2fb58a11d Refactor PowerPC hwpmc(4) driver into generic and specific. More refactoring 
will likely be done as more drivers are added, since AIM-compatible processors
have similar PMC configuration logic.
 2013-09-03 00:34:18 +00:00