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KVM: selftests: aarch64: vPMU register test for unimplemented counters

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Add a new test case to the vpmu_counter_access test to check
if PMU registers or their bits for unimplemented counters are not
accessible or are RAZ, as expected.

Signed-off-by: Reiji Watanabe <reijiw@google.com>
Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231020214053.2144305-12-rananta@google.com
[Oliver: fix issues relating to exception return address]
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Reiji Watanabe
2023-10-20 21:40:51 +00:00
committed by Oliver Upton
parent ada1ae6826
commit e1cc872063
2 changed files with 76 additions and 7 deletions
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tools/testing/selftests/kvm/include/aarch64/processor.h
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@@ -104,6 +104,7 @@ enum {
#define ESR_EC_SHIFT 26
#define ESR_EC_MASK (ESR_EC_NUM - 1)
#define ESR_EC_UNKNOWN 0x0
#define ESR_EC_SVC64 0x15
#define ESR_EC_IABT 0x21
#define ESR_EC_DABT 0x25