1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014, STMicroelectronics International N.V. 4 */ 5 6 #ifndef KERNEL_PANIC_H 7 #define KERNEL_PANIC_H 8 9 #include <compiler.h> 10 11 /* debug disabled => __FILE__, ... and panic message are not built. */ 12 #if defined(CFG_TEE_CORE_DEBUG) 13 #define __panic(str) __do_panic(__FILE__, __LINE__, __func__, str) 14 #else 15 #define __panic(str) __do_panic((void *)0, 0, (void *)0, str) 16 #endif 17 18 void __do_panic(const char *file, const int line, const char *func, 19 const char *msg) __noreturn; 20 21 /* 22 * Suppress GCC warning on expansion of the panic() macro with no argument: 23 * 'ISO C99 requires at least one argument for the "..." in a variadic macro' 24 * Occurs when '-pedantic' is combined with '-std=gnu99'. 25 * Suppression applies only to this file and the expansion of macros defined in 26 * this file. 27 */ 28 #pragma GCC system_header 29 30 /* panic() can get a string or no argument */ 31 #define _panic0() __panic((void *)0) 32 #define _panic1(s) __panic(s) 33 #define _panic_fn(a, b, name, ...) name 34 #define panic(...) _panic_fn("", ##__VA_ARGS__, _panic1, _panic0)(__VA_ARGS__) 35 36 /* 37 * Weak function used in __do_panic() to put the current CPU on hold. 38 * If no arch-specific override is provided, defaults to a busy loop. 39 */ 40 void cpu_idle(void); 41 42 #endif /*KERNEL_PANIC_H*/ 43