diff options
Diffstat (limited to 'include/lib/extensions/amu.h')
| -rw-r--r-- | include/lib/extensions/amu.h | 67 |
1 files changed, 55 insertions, 12 deletions
diff --git a/include/lib/extensions/amu.h b/include/lib/extensions/amu.h index 99ecfccbb..dcbdd5a67 100644 --- a/include/lib/extensions/amu.h +++ b/include/lib/extensions/amu.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -10,13 +10,14 @@ #include <stdbool.h> #include <stdint.h> -#include <platform_def.h> - #include <lib/cassert.h> #include <lib/utils_def.h> +#include <platform_def.h> + /* All group 0 counters */ #define AMU_GROUP0_COUNTERS_MASK U(0xf) +#define AMU_GROUP0_NR_COUNTERS U(4) #ifdef PLAT_AMU_GROUP1_COUNTERS_MASK #define AMU_GROUP1_COUNTERS_MASK PLAT_AMU_GROUP1_COUNTERS_MASK @@ -24,25 +25,67 @@ #define AMU_GROUP1_COUNTERS_MASK U(0) #endif -#ifdef PLAT_AMU_GROUP1_NR_COUNTERS -#define AMU_GROUP1_NR_COUNTERS PLAT_AMU_GROUP1_NR_COUNTERS +/* Calculate number of group 1 counters */ +#if (AMU_GROUP1_COUNTERS_MASK & (1 << 15)) +#define AMU_GROUP1_NR_COUNTERS 16U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 14)) +#define AMU_GROUP1_NR_COUNTERS 15U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 13)) +#define AMU_GROUP1_NR_COUNTERS 14U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 12)) +#define AMU_GROUP1_NR_COUNTERS 13U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 11)) +#define AMU_GROUP1_NR_COUNTERS 12U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 10)) +#define AMU_GROUP1_NR_COUNTERS 11U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 9)) +#define AMU_GROUP1_NR_COUNTERS 10U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 8)) +#define AMU_GROUP1_NR_COUNTERS 9U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 7)) +#define AMU_GROUP1_NR_COUNTERS 8U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 6)) +#define AMU_GROUP1_NR_COUNTERS 7U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 5)) +#define AMU_GROUP1_NR_COUNTERS 6U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 4)) +#define AMU_GROUP1_NR_COUNTERS 5U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 3)) +#define AMU_GROUP1_NR_COUNTERS 4U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 2)) +#define AMU_GROUP1_NR_COUNTERS 3U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 1)) +#define AMU_GROUP1_NR_COUNTERS 2U +#elif (AMU_GROUP1_COUNTERS_MASK & (1 << 0)) +#define AMU_GROUP1_NR_COUNTERS 1U #else -#define AMU_GROUP1_NR_COUNTERS U(0) +#define AMU_GROUP1_NR_COUNTERS 0U #endif CASSERT(AMU_GROUP1_COUNTERS_MASK <= 0xffff, invalid_amu_group1_counters_mask); -CASSERT(AMU_GROUP1_NR_COUNTERS <= 16, invalid_amu_group1_nr_counters); + +struct amu_ctx { + uint64_t group0_cnts[AMU_GROUP0_NR_COUNTERS]; + +#if AMU_GROUP1_NR_COUNTERS + uint64_t group1_cnts[AMU_GROUP1_NR_COUNTERS]; +#endif +}; bool amu_supported(void); void amu_enable(bool el2_unused); /* Group 0 configuration helpers */ -uint64_t amu_group0_cnt_read(int idx); -void amu_group0_cnt_write(int idx, uint64_t val); +uint64_t amu_group0_cnt_read(unsigned int idx); +void amu_group0_cnt_write(unsigned int idx, uint64_t val); + +#if AMU_GROUP1_NR_COUNTERS +bool amu_group1_supported(void); /* Group 1 configuration helpers */ -uint64_t amu_group1_cnt_read(int idx); -void amu_group1_cnt_write(int idx, uint64_t val); -void amu_group1_set_evtype(int idx, unsigned int val); +uint64_t amu_group1_cnt_read(unsigned int idx); +void amu_group1_cnt_write(unsigned int idx, uint64_t val); +void amu_group1_set_evtype(unsigned int idx, unsigned int val); +#endif #endif /* AMU_H */ |