coreboot-libre-fam15h-rdimm/3rdparty/arm-trusted-firmware/include/lib/extensions/amu.h

49 lines
1.2 KiB
C

/*
* Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef AMU_H
#define AMU_H
#include <stdbool.h>
#include <stdint.h>
#include <platform_def.h>
#include <lib/cassert.h>
#include <lib/utils_def.h>
/* All group 0 counters */
#define AMU_GROUP0_COUNTERS_MASK U(0xf)
#ifdef PLAT_AMU_GROUP1_COUNTERS_MASK
#define AMU_GROUP1_COUNTERS_MASK PLAT_AMU_GROUP1_COUNTERS_MASK
#else
#define AMU_GROUP1_COUNTERS_MASK U(0)
#endif
#ifdef PLAT_AMU_GROUP1_NR_COUNTERS
#define AMU_GROUP1_NR_COUNTERS PLAT_AMU_GROUP1_NR_COUNTERS
#else
#define AMU_GROUP1_NR_COUNTERS U(0)
#endif
CASSERT(AMU_GROUP1_COUNTERS_MASK <= 0xffff, invalid_amu_group1_counters_mask);
CASSERT(AMU_GROUP1_NR_COUNTERS <= 16, invalid_amu_group1_nr_counters);
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);
/* 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);
#endif /* AMU_H */