1 /* 2 * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef __DEBUG_H__ 32 #define __DEBUG_H__ 33 34 /* The log output macros print output to the console. These macros produce 35 * compiled log output only if the LOG_LEVEL defined in the makefile (or the 36 * make command line) is greater or equal than the level required for that 37 * type of log output. 38 * The format expected is the same as for printf(). For example: 39 * INFO("Info %s.\n", "message") -> INFO: Info message. 40 * WARN("Warning %s.\n", "message") -> WARNING: Warning message. 41 */ 42 43 #define LOG_LEVEL_NONE 0 44 #define LOG_LEVEL_ERROR 10 45 #define LOG_LEVEL_NOTICE 20 46 #define LOG_LEVEL_WARNING 30 47 #define LOG_LEVEL_INFO 40 48 #define LOG_LEVEL_VERBOSE 50 49 50 #ifndef __ASSEMBLY__ 51 #include <stdio.h> 52 53 #if LOG_LEVEL >= LOG_LEVEL_NOTICE 54 # define NOTICE(...) tf_printf("NOTICE: " __VA_ARGS__) 55 #else 56 # define NOTICE(...) 57 #endif 58 59 #if LOG_LEVEL >= LOG_LEVEL_ERROR 60 # define ERROR(...) tf_printf("ERROR: " __VA_ARGS__) 61 #else 62 # define ERROR(...) 63 #endif 64 65 #if LOG_LEVEL >= LOG_LEVEL_WARNING 66 # define WARN(...) tf_printf("WARNING: " __VA_ARGS__) 67 #else 68 # define WARN(...) 69 #endif 70 71 #if LOG_LEVEL >= LOG_LEVEL_INFO 72 # define INFO(...) tf_printf("INFO: " __VA_ARGS__) 73 #else 74 # define INFO(...) 75 #endif 76 77 #if LOG_LEVEL >= LOG_LEVEL_VERBOSE 78 # define VERBOSE(...) tf_printf("VERBOSE: " __VA_ARGS__) 79 #else 80 # define VERBOSE(...) 81 #endif 82 83 84 void __dead2 do_panic(void); 85 #define panic() do_panic() 86 87 /* Function called when stack protection check code detects a corrupted stack */ 88 void __dead2 __stack_chk_fail(void); 89 90 void tf_printf(const char *fmt, ...) __printflike(1, 2); 91 92 #endif /* __ASSEMBLY__ */ 93 #endif /* __DEBUG_H__ */ 94