blob: dc16a27bc2c5b11a06949abab48e3cdff883ae49 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file chdebug.c
* @brief ChibiOS/RT Debug code.
* @addtogroup CondVars
* @{
*/
#include <ch.h>
#if CH_DBG_ENABLE_TRACE
/**
* @brief Public trace buffer.
*/
TraceBuffer trace_buffer;
/**
* @brief Trace circular buffer subsystem initialization.
*/
void trace_init(void) {
trace_buffer.tb_size = TRACE_BUFFER_SIZE;
trace_buffer.tb_ptr = &trace_buffer.tb_buffer[0];
}
/**
* @brief Inserts in the circular debug trace buffer a context switch record.
*
* @param[in] otp the thread being switched out
* @param[in] ntp the thread to be resumed
*/
void chDbgTrace(Thread *otp, Thread *ntp) {
trace_buffer.tb_ptr->cse_wtobjp = otp->p_wtobjp;
trace_buffer.tb_ptr->cse_time = chSysGetTime();
trace_buffer.tb_ptr->cse_state = otp->p_state;
trace_buffer.tb_ptr->cse_tid = (unsigned)ntp >> 4;
if (++trace_buffer.tb_ptr >= &trace_buffer.tb_buffer[TRACE_BUFFER_SIZE])
trace_buffer.tb_ptr = &trace_buffer.tb_buffer[0];
}
#endif /* CH_DBG_ENABLE_TRACE */
#if CH_DBG_ENABLE_ASSERTS || CH_DBG_ENABLE_CHECKS || CH_DBG_ENABLE_STACK_CHECK
/**
* @brief Pointer to the panic message.
* @details This pointer is meant to be accessed through the debugger, it is
* written once and then the system is halted.
*/
char *panic_msg;
/**
* @brief Prints a panic message on the console and then halts the system.
*
* @param[in] msg the pointer to the panic message string
*/
void chDbgPanic(char *msg) {
panic_msg = msg;
chSysHalt();
}
#endif /* CH_DBG_ENABLE_ASSERTS || CH_DBG_ENABLE_CHECKS || CH_DBG_ENABLE_STACK_CHECK */
/** @} */
|
