1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014, STMicroelectronics International N.V. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef TEE_COMMON_H 29 #define TEE_COMMON_H 30 31 #include <stdlib.h> 32 33 #ifdef MEASURE_TIME 34 /* 35 * Initializes mesaure time. Initializes RTT0 to highest possible 36 * resolution. 37 */ 38 void tee_mtime_init(void); 39 40 /* 41 * Adds a time stamp together the description. Note that only the pointer 42 * is copied, not the contents to minimize impact. 43 */ 44 void tee_mtime_stamp(const char *descr); 45 46 /* 47 * Prints a report of measured times and reinitializes clears the table of 48 * saved time stamps. 49 */ 50 void tee_mtime_report(void); 51 52 void tee_mtime_perftest(void); 53 #else 54 /* Empty macros to not have any impact on code when not meassuring time */ 55 #define tee_mtime_init() do { } while (0) 56 #define tee_mtime_stamp(descr) do { } while (0) 57 #define tee_mtime_report() do { } while (0) 58 #define tee_mtime_perftest() do { } while (0) 59 #endif 60 61 #endif /* TEE_COMMON_H */ 62