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authorJean-Philippe Brucker <jean-philippe@linaro.org>2023-12-19 17:57:50 +0000
committerMichael Tokarev <mjt@tls.msk.ru>2023-12-20 19:11:11 +0300
commitfe0c88919cf28ab6f30986da07e87f59e4590a88 (patch)
tree7e9935cc98e101bc5648ad35d1ad1417e29e8ad8 /hw/ppc/spapr_events.c
parent775bb790b9ea40cd82fa5c828b8b52b494b88742 (diff)
target/arm/helper: Propagate MDCR_EL2.HPMN into PMCR_EL0.N
MDCR_EL2.HPMN allows an hypervisor to limit the number of PMU counters available to EL1 and EL0 (to keep the others to itself). QEMU already implements this split correctly, except for PMCR_EL0.N reads: the number of counters read by EL1 or EL0 should be the one configured in MDCR_EL2.HPMN. Cc: qemu-stable@nongnu.org Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Message-id: 20231215144652.4193815-2-jean-philippe@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> (cherry picked from commit 6980c31dec42b6daebf7fec13b2d39ed87bb4766) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'hw/ppc/spapr_events.c')
0 files changed, 0 insertions, 0 deletions