timing.h

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/*
 *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
 *  SPDX-License-Identifier: Apache-2.0
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
 *  not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *  This file is part of mbed TLS (https://tls.mbed.org)
 */
#ifndef MBEDTLS_TIMING_H
#define MBEDTLS_TIMING_H

#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#if !defined(MBEDTLS_TIMING_ALT)
// Regular implementation
//

struct mbedtls_timing_hr_time
{
    unsigned char opaque[32];
};

typedef struct mbedtls_timing_delay_context
{
    struct mbedtls_timing_hr_time   timer;
    uint32_t                        int_ms;
    uint32_t                        fin_ms;
} mbedtls_timing_delay_context;

#else  /* MBEDTLS_TIMING_ALT */
#include "timing_alt.h"
#endif /* MBEDTLS_TIMING_ALT */

extern volatile int mbedtls_timing_alarmed;

unsigned long mbedtls_timing_hardclock( void );

unsigned long mbedtls_timing_get_timer( struct mbedtls_timing_hr_time *val, int reset );

void mbedtls_set_alarm( int seconds );

void mbedtls_timing_set_delay( void *data, uint32_t int_ms, uint32_t fin_ms );

int mbedtls_timing_get_delay( void *data );

#if defined(MBEDTLS_SELF_TEST)

int mbedtls_timing_self_test( int verbose );
#endif

#ifdef __cplusplus
}
#endif

#endif /* timing.h */