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https://github.com/dolphin-emu/dolphin.git
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9872473f70
PolarSSL has been renamed to "mbed TLS" and version 2.0 dropped backwards compatibility. This commit adds only the necessary files without any modifications, so it doesn't compile yet.
142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/**
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* \file timing.h
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*
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* \brief Portable interface to the CPU cycle counter
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#ifndef MBEDTLS_TIMING_H
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#define MBEDTLS_TIMING_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#if !defined(MBEDTLS_TIMING_ALT)
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// Regular implementation
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//
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief timer structure
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*/
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struct mbedtls_timing_hr_time
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{
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unsigned char opaque[32];
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};
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/**
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* \brief Context for mbedtls_timing_set/get_delay()
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*/
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typedef struct
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{
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struct mbedtls_timing_hr_time timer;
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uint32_t int_ms;
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uint32_t fin_ms;
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} mbedtls_timing_delay_context;
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extern volatile int mbedtls_timing_alarmed;
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/**
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* \brief Return the CPU cycle counter value
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*
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* \warning This is only a best effort! Do not rely on this!
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* In particular, it is known to be unreliable on virtual
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* machines.
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*/
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unsigned long mbedtls_timing_hardclock( void );
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/**
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* \brief Return the elapsed time in milliseconds
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*
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* \param val points to a timer structure
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* \param reset if set to 1, the timer is restarted
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*/
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unsigned long mbedtls_timing_get_timer( struct mbedtls_timing_hr_time *val, int reset );
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/**
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* \brief Setup an alarm clock
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*
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* \param seconds delay before the "mbedtls_timing_alarmed" flag is set
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*
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* \warning Only one alarm at a time is supported. In a threaded
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* context, this means one for the whole process, not one per
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* thread.
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*/
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void mbedtls_set_alarm( int seconds );
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/**
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* \brief Set a pair of delays to watch
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* (See \c mbedtls_timing_get_delay().)
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*
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* \param data Pointer to timing data
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* Must point to a valid \c mbetls_timing_delay_context struct.
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* \param int_ms First (intermediate) delay in milliseconds.
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* \param fin_ms Second (final) delay in milliseconds.
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* Pass 0 to cancel the current delay.
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*/
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void mbedtls_timing_set_delay( void *data, uint32_t int_ms, uint32_t fin_ms );
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/**
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* \brief Get the status of delays
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* (Memory helper: number of delays passed.)
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*
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* \param data Pointer to timing data
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* Must point to a valid \c mbetls_timing_delay_context struct.
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*
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* \return -1 if cancelled (fin_ms = 0)
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* 0 if none of the delays are passed,
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* 1 if only the intermediate delay is passed,
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* 2 if the final delay is passed.
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*/
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int mbedtls_timing_get_delay( void *data );
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#ifdef __cplusplus
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}
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#endif
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#else /* MBEDTLS_TIMING_ALT */
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#include "timing_alt.h"
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#endif /* MBEDTLS_TIMING_ALT */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(MBEDTLS_SELF_TEST)
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/**
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* \brief Checkup routine
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*
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* \return 0 if successful, or 1 if a test failed
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*/
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int mbedtls_timing_self_test( int verbose );
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* timing.h */
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