Some registers like the PMOVS reset to an architecturally UNKNOWN value. Most tests expect them to be reset (mostly zeroed) using pmu_reset(). Add a pmu_reset() on all the tests that need one. Signed-off-by: Ricardo Koller <ricarkol@xxxxxxxxxx> --- arm/pmu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arm/pmu.c b/arm/pmu.c index fd838392..a7899c3c 100644 --- a/arm/pmu.c +++ b/arm/pmu.c @@ -884,6 +884,7 @@ static bool check_cycles_increase(void) bool success = true; /* init before event access, this test only cares about cycle count */ + pmu_reset(); set_pmcntenset(1 << PMU_CYCLE_IDX); set_pmccfiltr(0); /* count cycles in EL0, EL1, but not EL2 */ @@ -938,6 +939,7 @@ static bool check_cpi(int cpi) uint32_t pmcr = get_pmcr() | PMU_PMCR_LC | PMU_PMCR_C | PMU_PMCR_E; /* init before event access, this test only cares about cycle count */ + pmu_reset(); set_pmcntenset(1 << PMU_CYCLE_IDX); set_pmccfiltr(0); /* count cycles in EL0, EL1, but not EL2 */ -- 2.37.0.170.g444d1eabd0-goog _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
