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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2014, STMicroelectronics International N.V.
*/
#ifndef __KERNEL_PANIC_H
#define __KERNEL_PANIC_H
#include <compiler.h>
/* debug disabled => __FILE__, ... and panic message are not built. */
#if defined(CFG_TEE_CORE_DEBUG)
#define __panic(str) __do_panic(__FILE__, __LINE__, __func__, str)
#else
#define __panic(str) __do_panic((void *)0, 0, (void *)0, str)
#endif
void __do_panic(const char *file, const int line, const char *func,
const char *msg) __noreturn;
/*
* Suppress GCC warning on expansion of the panic() macro with no argument:
* 'ISO C99 requires at least one argument for the "..." in a variadic macro'
* Occurs when '-pedantic' is combined with '-std=gnu99'.
* Suppression applies only to this file and the expansion of macros defined in
* this file.
*/
#pragma GCC system_header
/* panic() can get a string or no argument */
#define _panic0() __panic((void *)0)
#define _panic1(s) __panic(s)
#define _panic_fn(a, b, name, ...) name
#define panic(...) _panic_fn("", ##__VA_ARGS__, _panic1, _panic0)(__VA_ARGS__)
/*
* Weak function used in __do_panic() to put the current CPU on hold.
* If no arch-specific override is provided, defaults to a busy loop.
*/
void cpu_idle(void);
#endif /*__KERNEL_PANIC_H*/
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