diff options
Diffstat (limited to 'target/arm/internals.h')
| -rw-r--r-- | target/arm/internals.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/target/arm/internals.h b/target/arm/internals.h index cd2ea8a388..777f968764 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1226,4 +1226,48 @@ enum MVEECIState { /* All other values reserved */ }; +/* Definitions for the PMU registers */ +#define PMCRN_MASK 0xf800 +#define PMCRN_SHIFT 11 +#define PMCRLC 0x40 +#define PMCRDP 0x20 +#define PMCRX 0x10 +#define PMCRD 0x8 +#define PMCRC 0x4 +#define PMCRP 0x2 +#define PMCRE 0x1 +/* + * Mask of PMCR bits writeable by guest (not including WO bits like C, P, + * which can be written as 1 to trigger behaviour but which stay RAZ). + */ +#define PMCR_WRITEABLE_MASK (PMCRLC | PMCRDP | PMCRX | PMCRD | PMCRE) + +#define PMXEVTYPER_P 0x80000000 +#define PMXEVTYPER_U 0x40000000 +#define PMXEVTYPER_NSK 0x20000000 +#define PMXEVTYPER_NSU 0x10000000 +#define PMXEVTYPER_NSH 0x08000000 +#define PMXEVTYPER_M 0x04000000 +#define PMXEVTYPER_MT 0x02000000 +#define PMXEVTYPER_EVTCOUNT 0x0000ffff +#define PMXEVTYPER_MASK (PMXEVTYPER_P | PMXEVTYPER_U | PMXEVTYPER_NSK | \ + PMXEVTYPER_NSU | PMXEVTYPER_NSH | \ + PMXEVTYPER_M | PMXEVTYPER_MT | \ + PMXEVTYPER_EVTCOUNT) + +#define PMCCFILTR 0xf8000000 +#define PMCCFILTR_M PMXEVTYPER_M +#define PMCCFILTR_EL0 (PMCCFILTR | PMCCFILTR_M) + +static inline uint32_t pmu_num_counters(CPUARMState *env) +{ + return (env->cp15.c9_pmcr & PMCRN_MASK) >> PMCRN_SHIFT; +} + +/* Bits allowed to be set/cleared for PMCNTEN* and PMINTEN* */ +static inline uint64_t pmu_counter_mask(CPUARMState *env) +{ + return (1 << 31) | ((1 << pmu_num_counters(env)) - 1); +} + #endif |