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b36e975ea3
This patch adds trbe_disable() which disables Trace buffer access from lower ELs in all security state. This function makes Secure state the owner of Trace buffer and access from EL2/EL1 generate trap exceptions to EL3. Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com> Change-Id: If3e3bd621684b3c28f44c3ed2fe3df30b143f8cd
28 lines
520 B
C
28 lines
520 B
C
/*
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* Copyright (c) 2021-2024, Arm Limited. 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 TRBE_H
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#define TRBE_H
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#include <context.h>
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#if ENABLE_TRBE_FOR_NS
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void trbe_disable(cpu_context_t *ctx);
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void trbe_enable(cpu_context_t *ctx);
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void trbe_init_el2_unused(void);
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#else
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static inline void trbe_disable(cpu_context_t *ctx)
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{
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}
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static inline void trbe_enable(cpu_context_t *ctx)
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{
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}
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static inline void trbe_init_el2_unused(void)
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{
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}
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#endif /* ENABLE_TRBE_FOR_NS */
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#endif /* TRBE_H */
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