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KVM: selftests: aarch64: Update tools copy of arm_pmuv3.h

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Now that ARMV8_PMU_PMCR_N is made with GENMASK, update usages to treat
it as a pre-shifted mask.

Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20231211161331.1277825-9-james.clark@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
James Clark
2023-12-11 16:13:20 +00:00
committed by Will Deacon
parent a5f4ca68f3
commit c7b98bf0fc
2 changed files with 28 additions and 20 deletions
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tools/testing/selftests/kvm/aarch64/vpmu_counter_access.c
+2 -3
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@@ -42,13 +42,12 @@ struct pmreg_sets {
static uint64_t get_pmcr_n(uint64_t pmcr)
{
return (pmcr >> ARMV8_PMU_PMCR_N_SHIFT) & ARMV8_PMU_PMCR_N_MASK;
return FIELD_GET(ARMV8_PMU_PMCR_N, pmcr);
}
static void set_pmcr_n(uint64_t *pmcr, uint64_t pmcr_n)
{
*pmcr = *pmcr & ~(ARMV8_PMU_PMCR_N_MASK << ARMV8_PMU_PMCR_N_SHIFT);
*pmcr |= (pmcr_n << ARMV8_PMU_PMCR_N_SHIFT);
u64p_replace_bits((__u64 *) pmcr, pmcr_n, ARMV8_PMU_PMCR_N);
}
static uint64_t get_counters_mask(uint64_t n)