Paul Mackerras a7873b45f7 core: Add a basic performance monitor unit (PMU) implementation ...

This is the start of an implementation of a PMU according to PowerISA
v3.0B.  Things not implemented yet include most architected events,
the BHRB, event-based branches, thresholding, MMCR0[TBCC] field, etc.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>

2021-08-11 16:05:47 +10:00

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