diff options
| author | Atish Patra <atish.patra@wdc.com> | 2021-11-08 21:53:02 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2021-11-11 15:18:45 +0300 |
| commit | 0c304b661965d81ba2194b54a0c71f4c2e5cab16 (patch) | |
| tree | c95d6230fbd16b7753807ea7acabbed9f1fc1e14 /include/sbi | |
| parent | 2363f950bcc497d8bd42654d32d05522fd24b9d7 (diff) | |
| download | opensbi-0c304b661965d81ba2194b54a0c71f4c2e5cab16.tar.xz | |
lib: sbi: Allow programmable counters to monitor cycle/instret events
A platform may use programmable counters for cycle/instret events.
The priv spec allows that provided that cycle/instret also report those
events in addition to the programmable counters. We should allow that
functionality in OpenSBI.
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'include/sbi')
| -rw-r--r-- | include/sbi/sbi_pmu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sbi/sbi_pmu.h b/include/sbi/sbi_pmu.h index b3010cc..f018556 100644 --- a/include/sbi/sbi_pmu.h +++ b/include/sbi/sbi_pmu.h @@ -26,6 +26,7 @@ #define SBI_PMU_FW_CTR_MAX 16 #define SBI_PMU_HW_CTR_MAX 32 #define SBI_PMU_CTR_MAX (SBI_PMU_HW_CTR_MAX + SBI_PMU_FW_CTR_MAX) +#define SBI_PMU_FIXED_CTR_MASK 0x07 /** Initialize PMU */ int sbi_pmu_init(struct sbi_scratch *scratch, bool cold_boot); |