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authorAlex Zuepke <alex.zuepke@tum.de>2022-04-28 15:27:17 +0200
committerPeter Maydell <peter.maydell@linaro.org>2022-05-05 09:36:22 +0100
commit99a50d1a67c602126fc2b3a4812d3000eba9bf34 (patch)
treed9c884c619ccfdae3c8e38764d50c28591ce894c
parent25e168ab70627bf3368944cf5b1d97490c853007 (diff)
target/arm: read access to performance counters from EL0pull-target-arm-20220505
The ARMv8 manual defines that PMUSERENR_EL0.ER enables read-access to both PMXEVCNTR_EL0 and PMEVCNTR<n>_EL0 registers, however, we only use it for PMXEVCNTR_EL0. Extend to PMEVCNTR<n>_EL0 as well. Signed-off-by: Alex Zuepke <alex.zuepke@tum.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220428132717.84190-1-alex.zuepke@tum.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/helper.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 14ea5caad9..b4daf4f076 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6639,10 +6639,10 @@ static void define_pmu_regs(ARMCPU *cpu)
.crm = 8 | (3 & (i >> 3)), .opc1 = 0, .opc2 = i & 7,
.access = PL0_RW, .type = ARM_CP_IO | ARM_CP_ALIAS,
.readfn = pmevcntr_readfn, .writefn = pmevcntr_writefn,
- .accessfn = pmreg_access },
+ .accessfn = pmreg_access_xevcntr },
{ .name = pmevcntr_el0_name, .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 3, .crn = 14, .crm = 8 | (3 & (i >> 3)),
- .opc2 = i & 7, .access = PL0_RW, .accessfn = pmreg_access,
+ .opc2 = i & 7, .access = PL0_RW, .accessfn = pmreg_access_xevcntr,
.type = ARM_CP_IO,
.readfn = pmevcntr_readfn, .writefn = pmevcntr_writefn,
.raw_readfn = pmevcntr_rawread,