48 lines
998 B
C
48 lines
998 B
C
/*
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* Copyright (c) 2017-2021, 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 <stdbool.h>
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#include <stdint.h>
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#include <context.h>
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#include <platform_def.h>
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#if __aarch64__
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void amu_enable(bool el2_unused, cpu_context_t *ctx);
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#else
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void amu_enable(bool el2_unused);
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#endif
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#if ENABLE_AMU_AUXILIARY_COUNTERS
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/*
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* AMU data for a single core.
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*/
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struct amu_core {
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uint16_t enable; /* Mask of auxiliary counters to enable */
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};
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/*
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* Topological platform data specific to the AMU.
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*/
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struct amu_topology {
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struct amu_core cores[PLATFORM_CORE_COUNT]; /* Per-core data */
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};
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#if !ENABLE_AMU_FCONF
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/*
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* Retrieve the platform's AMU topology. A `NULL` return value is treated as a
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* non-fatal error, in which case no auxiliary counters will be enabled.
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*/
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const struct amu_topology *plat_amu_topology(void);
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#endif /* ENABLE_AMU_FCONF */
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#endif /* ENABLE_AMU_AUXILIARY_COUNTERS */
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#endif /* AMU_H */
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