diff options
| -rw-r--r-- | lib/sbi/sbi_pmu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sbi/sbi_pmu.c b/lib/sbi/sbi_pmu.c index c73e6ef3..7213a53b 100644 --- a/lib/sbi/sbi_pmu.c +++ b/lib/sbi/sbi_pmu.c @@ -933,6 +933,8 @@ int sbi_pmu_init(struct sbi_scratch *scratch, bool cold_boot) /* mcycle & minstret is available always */ num_hw_ctrs = sbi_hart_mhpm_count(scratch) + 3; + if (num_hw_ctrs > SBI_PMU_HW_CTR_MAX) + return SBI_EINVAL; total_ctrs = num_hw_ctrs + SBI_PMU_FW_CTR_MAX; } |