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