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/*
* Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __DEBUG_H__
#define __DEBUG_H__
/* Do not try to call this from ASM code. */
#ifndef __ASSEMBLY__
#include <stdio.h>
/* If building the project with DEBUG disabled the INFO and WARN macros
* won't produce any output. The ERROR macro is always enabled.
* The format expected is the same as for printf().
* INFO("Info %s.\n", "message") -> INFO: Info message.
* WARN("Warning %s.\n", "message") -> WARN: Warning message.
* ERROR("Error %s.\n", "message") -> ERROR: Error message.
*
* TODO : add debug levels.
*/
#if DEBUG
#define INFO(...) printf("INFO: " __VA_ARGS__)
#define WARN(...) printf("WARN: " __VA_ARGS__)
#else
#define INFO(...)
#define WARN(...)
#endif
#define ERROR(...) printf("ERROR: " __VA_ARGS__)
/* For the moment this Panic function is very basic, Report an error and
* spin. This can be expanded in the future to provide more information.
*/
static inline void __attribute__((noreturn)) panic(void)
{
ERROR("PANIC\n");
while (1)
;
}
#endif /* __ASSEMBLY__ */
#endif /* __DEBUG_H__ */
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