diff options
| -rw-r--r-- | lib/sbi/sbi_pmu.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/lib/sbi/sbi_pmu.c b/lib/sbi/sbi_pmu.c index e8bed49f..c52e8a29 100644 --- a/lib/sbi/sbi_pmu.c +++ b/lib/sbi/sbi_pmu.c @@ -353,8 +353,11 @@ static int pmu_ctr_start_hw(uint32_t cidx, uint64_t ival, bool ival_update) if (cidx >= num_hw_ctrs || cidx == 1) return SBI_EINVAL; - if (sbi_hart_priv_version(scratch) < SBI_HART_PRIV_VER_1_11) - goto skip_inhibit_update; + if (sbi_hart_priv_version(scratch) < SBI_HART_PRIV_VER_1_11) { + if (ival_update) + pmu_ctr_write_hw(cidx, ival); + return 0; + } /* * Some of the hardware may not support mcountinhibit but perf stat @@ -368,13 +371,12 @@ static int pmu_ctr_start_hw(uint32_t cidx, uint64_t ival, bool ival_update) if (sbi_hart_has_extension(scratch, SBI_HART_EXT_SSCOFPMF)) pmu_ctr_enable_irq_hw(cidx); + if (ival_update) + pmu_ctr_write_hw(cidx, ival); if (pmu_dev && pmu_dev->hw_counter_enable_irq) pmu_dev->hw_counter_enable_irq(cidx); - csr_write(CSR_MCOUNTINHIBIT, mctr_inhbt); -skip_inhibit_update: - if (ival_update) - pmu_ctr_write_hw(cidx, ival); + csr_write(CSR_MCOUNTINHIBIT, mctr_inhbt); return 0; } |