1 // SPDX-License-Identifier: BSD-2-Clause
2 /*
3 * Copyright (c) 2016, Linaro Limited
4 * Copyright (c) 2014, STMicroelectronics International N.V.
5 */
6
7 #include <kernel/panic.h>
8 #include <kernel/thread.h>
9 #include <kernel/unwind.h>
10 #include <trace.h>
11
__do_panic(const char * file __maybe_unused,const int line __maybe_unused,const char * func __maybe_unused,const char * msg __maybe_unused)12 void __do_panic(const char *file __maybe_unused,
13 const int line __maybe_unused,
14 const char *func __maybe_unused,
15 const char *msg __maybe_unused)
16 {
17 /* disable prehemption */
18 (void)thread_mask_exceptions(THREAD_EXCP_ALL);
19
20 /* TODO: notify other cores */
21
22 /* trace: Panic ['panic-string-message' ]at FILE:LINE [<FUNCTION>]" */
23 if (!file && !func && !msg)
24 EMSG_RAW("Panic");
25 else
26 EMSG_RAW("Panic %s%s%sat %s:%d %s%s%s",
27 msg ? "'" : "", msg ? msg : "", msg ? "' " : "",
28 file ? file : "?", file ? line : 0,
29 func ? "<" : "", func ? func : "", func ? ">" : "");
30
31 print_kernel_stack();
32 /* abort current execution */
33 while (1)
34 cpu_idle();
35 }
36
cpu_idle(void)37 void __weak cpu_idle(void)
38 {
39 }
40