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cebb7cc110
Add redundant macro call to increase security by making code glitch immune as security operations might be called with the IPI command. Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com> Change-Id: I84d84cca258b7cd981f62816c51032341e19095c
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/*
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* Copyright (c) 2019-2022, Xilinx, Inc. All rights reserved.
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* Copyright (c) 2022-2023, Advanced Micro Devices, Inc. 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 PM_SVC_MAIN_H
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#define PM_SVC_MAIN_H
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#include <pm_common.h>
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/******************************************************************************/
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/**
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* SECURE_REDUNDANT_CALL() - Adds redundancy to the function call. This is to
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* avoid glitches which can skip a function call
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* and cause altering of the code flow in security
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* critical functions.
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* @status: Variable which holds the return value of function executed
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* @status_tmp: Variable which holds the return value of redundant function
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* call executed
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* @function: Function to be executed
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*
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* Return: None
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*
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******************************************************************************/
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#define SECURE_REDUNDANT_CALL(status, status_tmp, function, ...) \
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{ \
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status = function(__VA_ARGS__); \
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status_tmp = function(__VA_ARGS__); \
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}
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int32_t pm_setup(void);
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uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
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uint64_t x4, const void *cookie, void *handle,
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uint64_t flags);
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int32_t pm_register_sgi(uint32_t sgi_num, uint32_t reset);
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#endif /* PM_SVC_MAIN_H */
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