[PATCH 3/7] lib: sbi_pmu: Firmware counters are always 64 bits wide
Anup Patel
apatel at ventanamicro.com
Wed Aug 24 21:51:40 PDT 2022
As-per SBI specification, all firmware counters are always 64 bits
wide so let us update the SBI PMU implementation to reflect this fact.
Signed-off-by: Anup Patel <apatel at ventanamicro.com>
Reviewed-by: Andrew Jones <ajones at ventanamicro.com>
---
lib/sbi/sbi_pmu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/sbi/sbi_pmu.c b/lib/sbi/sbi_pmu.c
index 250808e..1c01d34 100644
--- a/lib/sbi/sbi_pmu.c
+++ b/lib/sbi/sbi_pmu.c
@@ -36,7 +36,7 @@ struct sbi_pmu_hw_event {
/** Representation of a firmware event */
struct sbi_pmu_fw_event {
/* Current value of the counter */
- unsigned long curr_count;
+ uint64_t curr_count;
/* A flag indicating pmu event monitoring is started */
bool bStarted;
@@ -719,8 +719,8 @@ int sbi_pmu_ctr_get_info(uint32_t cidx, unsigned long *ctr_info)
} else {
/* it's a firmware counter */
cinfo.type = SBI_PMU_CTR_TYPE_FW;
- /* Firmware counters are XLEN bits wide */
- cinfo.width = BITS_PER_LONG - 1;
+ /* Firmware counters are always 64 bits wide */
+ cinfo.width = 63;
}
*ctr_info = cinfo.value;
--
2.34.1
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