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c70da54631
Add amu_context_save() and amu_context_restore() functions for aarch32 Change-Id: I4df83d447adeaa9d9f203e16dc5a919ffc04d87a Signed-off-by: Joel Hutton <joel.hutton@arm.com>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __AMU_H__
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#define __AMU_H__
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#include <cassert.h>
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#include <platform_def.h>
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#include <stdint.h>
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#include <sys/cdefs.h> /* for CASSERT() */
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/* All group 0 counters */
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#define AMU_GROUP0_COUNTERS_MASK 0xf
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#ifdef PLAT_AMU_GROUP1_COUNTERS_MASK
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#define AMU_GROUP1_COUNTERS_MASK PLAT_AMU_GROUP1_COUNTERS_MASK
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#else
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#define AMU_GROUP1_COUNTERS_MASK 0
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#endif
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#ifdef PLAT_AMU_GROUP1_NR_COUNTERS
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#define AMU_GROUP1_NR_COUNTERS PLAT_AMU_GROUP1_NR_COUNTERS
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#else
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#define AMU_GROUP1_NR_COUNTERS 0
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#endif
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CASSERT(AMU_GROUP1_COUNTERS_MASK <= 0xffff, invalid_amu_group1_counters_mask);
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CASSERT(AMU_GROUP1_NR_COUNTERS <= 16, invalid_amu_group1_nr_counters);
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int amu_supported(void);
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void amu_enable(int el2_unused);
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/* Group 0 configuration helpers */
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uint64_t amu_group0_cnt_read(int idx);
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void amu_group0_cnt_write(int idx, uint64_t val);
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/* Group 1 configuration helpers */
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uint64_t amu_group1_cnt_read(int idx);
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void amu_group1_cnt_write(int idx, uint64_t val);
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void amu_group1_set_evtype(int idx, unsigned int val);
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#endif /* __AMU_H__ */
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