diff options
| author | Alex Zuepke <alex.zuepke@tum.de> | 2022-04-28 15:27:17 +0200 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2022-05-05 09:36:22 +0100 |
| commit | 99a50d1a67c602126fc2b3a4812d3000eba9bf34 (patch) | |
| tree | d9c884c619ccfdae3c8e38764d50c28591ce894c /target/arm/helper.c | |
| parent | 25e168ab70627bf3368944cf5b1d97490c853007 (diff) | |
| download | focaccia-qemu-99a50d1a67c602126fc2b3a4812d3000eba9bf34.tar.gz focaccia-qemu-99a50d1a67c602126fc2b3a4812d3000eba9bf34.zip | |
target/arm: read access to performance counters from EL0
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>
Diffstat (limited to 'target/arm/helper.c')
| -rw-r--r-- | target/arm/helper.c | 4 |
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, |