1*4ecca339SDan Handley /* 2*4ecca339SDan Handley * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. 3*4ecca339SDan Handley * 4*4ecca339SDan Handley * Redistribution and use in source and binary forms, with or without 5*4ecca339SDan Handley * modification, are permitted provided that the following conditions are met: 6*4ecca339SDan Handley * 7*4ecca339SDan Handley * Redistributions of source code must retain the above copyright notice, this 8*4ecca339SDan Handley * list of conditions and the following disclaimer. 9*4ecca339SDan Handley * 10*4ecca339SDan Handley * Redistributions in binary form must reproduce the above copyright notice, 11*4ecca339SDan Handley * this list of conditions and the following disclaimer in the documentation 12*4ecca339SDan Handley * and/or other materials provided with the distribution. 13*4ecca339SDan Handley * 14*4ecca339SDan Handley * Neither the name of ARM nor the names of its contributors may be used 15*4ecca339SDan Handley * to endorse or promote products derived from this software without specific 16*4ecca339SDan Handley * prior written permission. 17*4ecca339SDan Handley * 18*4ecca339SDan Handley * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19*4ecca339SDan Handley * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*4ecca339SDan Handley * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*4ecca339SDan Handley * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22*4ecca339SDan Handley * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23*4ecca339SDan Handley * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24*4ecca339SDan Handley * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25*4ecca339SDan Handley * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26*4ecca339SDan Handley * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27*4ecca339SDan Handley * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28*4ecca339SDan Handley * POSSIBILITY OF SUCH DAMAGE. 29*4ecca339SDan Handley */ 30*4ecca339SDan Handley 31*4ecca339SDan Handley #ifndef __DEBUG_H__ 32*4ecca339SDan Handley #define __DEBUG_H__ 33*4ecca339SDan Handley 34*4ecca339SDan Handley /* Do not try to call this from ASM code. */ 35*4ecca339SDan Handley #ifndef __ASSEMBLY__ 36*4ecca339SDan Handley 37*4ecca339SDan Handley #include <stdio.h> 38*4ecca339SDan Handley 39*4ecca339SDan Handley /* If building the project with DEBUG disabled the INFO and WARN macros 40*4ecca339SDan Handley * won't produce any output. The ERROR macro is always enabled. 41*4ecca339SDan Handley * The format expected is the same as for printf(). 42*4ecca339SDan Handley * INFO("Info %s.\n", "message") -> INFO: Info message. 43*4ecca339SDan Handley * WARN("Warning %s.\n", "message") -> WARN: Warning message. 44*4ecca339SDan Handley * ERROR("Error %s.\n", "message") -> ERROR: Error message. 45*4ecca339SDan Handley * 46*4ecca339SDan Handley * TODO : add debug levels. 47*4ecca339SDan Handley */ 48*4ecca339SDan Handley #if DEBUG 49*4ecca339SDan Handley #define INFO(...) printf("INFO: " __VA_ARGS__) 50*4ecca339SDan Handley #define WARN(...) printf("WARN: " __VA_ARGS__) 51*4ecca339SDan Handley #else 52*4ecca339SDan Handley #define INFO(...) 53*4ecca339SDan Handley #define WARN(...) 54*4ecca339SDan Handley #endif 55*4ecca339SDan Handley 56*4ecca339SDan Handley #define ERROR(...) printf("ERROR: " __VA_ARGS__) 57*4ecca339SDan Handley 58*4ecca339SDan Handley 59*4ecca339SDan Handley /* For the moment this Panic function is very basic, Report an error and 60*4ecca339SDan Handley * spin. This can be expanded in the future to provide more information. 61*4ecca339SDan Handley */ 62*4ecca339SDan Handley static inline void __attribute__((noreturn)) panic(void) 63*4ecca339SDan Handley { 64*4ecca339SDan Handley ERROR("PANIC\n"); 65*4ecca339SDan Handley while (1) 66*4ecca339SDan Handley ; 67*4ecca339SDan Handley } 68*4ecca339SDan Handley 69*4ecca339SDan Handley #endif /* __ASSEMBLY__ */ 70*4ecca339SDan Handley #endif /* __DEBUG_H__ */ 71