mhpmcounter7
Machine Hardware Performance Counter 7
Programmable hardware performance counter.
Fields
COUNT
- Location
-
mhpmcounter7[63:0]
- Description
Performance counter for event selected in mhpmevent7.EVENT.
+ Increments every time event occurs unless:
+
* mcountinhibit.HPM7 or its alias scountinhibit.HPM7
is set
* mhpmevent7.MINH is set and the current privilege level is M
* mhpmevent7.SINH or its alias hpmevent7..SINH
is set and the current privilege level is (H)S
* mhpmevent7.UINH or its alias hpmevent7.SINH
is set and the current privilege level is U
* mhpmevent7.VSINH or its alias hpmevent7.SINH
is set and the current privilege level is VS
* mhpmevent7.VUINH or its alias hpmevent7.SINH
is set and the current privilege level is VU
+
Unimplemented performance counter. Must be read-only 0 (access does not cause trap).
- Type
RW-H |
Read-Write with Hardware update Field is writable by software. Any value that fits in the field is acceptable. Hardware also updates the field without an explicit software write. |
- Reset value
-
UNDEFINED_LEGAL
Software read
This CSR may return a value that is different from what is stored in hardware.
-
Pruned
-
Original
return read_hpm_counter(7);
if (HPM_COUNTER_EN[7]) {
return read_hpm_counter(7);
} else {
return 0;
}