powerpc/xmon: Add PowerISA v3.1 PMU SPRs
PowerISA v3.1 added three new perfromance
monitoring unit (PMU) speical purpose register (SPR).
They are Monitor Mode Control Register 3 (MMCR3),
Sampled Instruction Event Register 2 (SIER2),
Sampled Instruction Event Register 3 (SIER3).
Patch here adds a new dump function dump_310_sprs
to print these SPR values.
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1594996707-3727-7-git-send-email-atrajeev@linux.vnet.ibm.com
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