248 lines
8.0 KiB
C
248 lines
8.0 KiB
C
/*
|
|
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
|
|
2011,2012,2013 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.h
|
|
* @brief Debug macros and structures.
|
|
*
|
|
* @addtogroup debug
|
|
* @{
|
|
*/
|
|
|
|
#ifndef _CHDEBUG_H_
|
|
#define _CHDEBUG_H_
|
|
|
|
#if CH_DBG_ENABLE_ASSERTS || CH_DBG_ENABLE_CHECKS || \
|
|
CH_DBG_ENABLE_STACK_CHECK || CH_DBG_SYSTEM_STATE_CHECK
|
|
#define CH_DBG_ENABLED TRUE
|
|
#else
|
|
#define CH_DBG_ENABLED FALSE
|
|
#endif
|
|
|
|
#define __QUOTE_THIS(p) #p
|
|
|
|
/*===========================================================================*/
|
|
/**
|
|
* @name Debug related settings
|
|
* @{
|
|
*/
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Trace buffer entries.
|
|
*/
|
|
#ifndef CH_TRACE_BUFFER_SIZE
|
|
#define CH_TRACE_BUFFER_SIZE 64
|
|
#endif
|
|
|
|
/**
|
|
* @brief Fill value for thread stack area in debug mode.
|
|
*/
|
|
#ifndef CH_STACK_FILL_VALUE
|
|
#define CH_STACK_FILL_VALUE 0x55
|
|
#endif
|
|
|
|
/**
|
|
* @brief Fill value for thread area in debug mode.
|
|
* @note The chosen default value is 0xFF in order to make evident which
|
|
* thread fields were not initialized when inspecting the memory with
|
|
* a debugger. A uninitialized field is not an error in itself but it
|
|
* better to know it.
|
|
*/
|
|
#ifndef CH_THREAD_FILL_VALUE
|
|
#define CH_THREAD_FILL_VALUE 0xFF
|
|
#endif
|
|
|
|
/** @} */
|
|
|
|
/*===========================================================================*/
|
|
/* System state checker related code and variables. */
|
|
/*===========================================================================*/
|
|
|
|
#if !CH_DBG_SYSTEM_STATE_CHECK
|
|
#define dbg_enter_lock()
|
|
#define dbg_leave_lock()
|
|
#define dbg_check_disable()
|
|
#define dbg_check_suspend()
|
|
#define dbg_check_enable()
|
|
#define dbg_check_lock()
|
|
#define dbg_check_unlock()
|
|
#define dbg_check_lock_from_isr()
|
|
#define dbg_check_unlock_from_isr()
|
|
#define dbg_check_enter_isr()
|
|
#define dbg_check_leave_isr()
|
|
#define chDbgCheckClassI()
|
|
#define chDbgCheckClassS()
|
|
#else
|
|
#define dbg_enter_lock() (dbg_lock_cnt = 1)
|
|
#define dbg_leave_lock() (dbg_lock_cnt = 0)
|
|
#endif
|
|
|
|
/*===========================================================================*/
|
|
/* Trace related structures and macros. */
|
|
/*===========================================================================*/
|
|
|
|
#if CH_DBG_ENABLE_TRACE || defined(__DOXYGEN__)
|
|
/**
|
|
* @brief Trace buffer record.
|
|
*/
|
|
typedef struct {
|
|
systime_t se_time; /**< @brief Time of the switch event. */
|
|
Thread *se_tp; /**< @brief Switched in thread. */
|
|
void *se_wtobjp; /**< @brief Object where going to sleep.*/
|
|
uint8_t se_state; /**< @brief Switched out thread state. */
|
|
} ch_swc_event_t;
|
|
|
|
/**
|
|
* @brief Trace buffer header.
|
|
*/
|
|
typedef struct {
|
|
unsigned tb_size; /**< @brief Trace buffer size (entries).*/
|
|
ch_swc_event_t *tb_ptr; /**< @brief Pointer to the buffer front.*/
|
|
/** @brief Ring buffer.*/
|
|
ch_swc_event_t tb_buffer[CH_TRACE_BUFFER_SIZE];
|
|
} ch_trace_buffer_t;
|
|
|
|
#if !defined(__DOXYGEN__)
|
|
extern ch_trace_buffer_t dbg_trace_buffer;
|
|
#endif
|
|
|
|
#endif /* CH_DBG_ENABLE_TRACE */
|
|
|
|
#if !CH_DBG_ENABLE_TRACE
|
|
/* When the trace feature is disabled this function is replaced by an empty
|
|
macro.*/
|
|
#define dbg_trace(otp)
|
|
#endif
|
|
|
|
/*===========================================================================*/
|
|
/* Parameters checking related macros. */
|
|
/*===========================================================================*/
|
|
|
|
#if CH_DBG_ENABLE_CHECKS || defined(__DOXYGEN__)
|
|
/**
|
|
* @name Macro Functions
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief Function parameters check.
|
|
* @details If the condition check fails then the kernel panics and halts.
|
|
* @note The condition is tested only if the @p CH_DBG_ENABLE_CHECKS switch
|
|
* is specified in @p chconf.h else the macro does nothing.
|
|
*
|
|
* @param[in] c the condition to be verified to be true
|
|
* @param[in] func the undecorated function name
|
|
*
|
|
* @api
|
|
*/
|
|
#if !defined(chDbgCheck)
|
|
#define chDbgCheck(c, func) { \
|
|
if (!(c)) \
|
|
chDbgPanic(__QUOTE_THIS(func)"()"); \
|
|
}
|
|
#endif /* !defined(chDbgCheck) */
|
|
/** @} */
|
|
#else /* !CH_DBG_ENABLE_CHECKS */
|
|
#define chDbgCheck(c, func) { \
|
|
(void)(c), (void)__QUOTE_THIS(func)"()"; \
|
|
}
|
|
#endif /* !CH_DBG_ENABLE_CHECKS */
|
|
|
|
/*===========================================================================*/
|
|
/* Assertions related macros. */
|
|
/*===========================================================================*/
|
|
|
|
#if CH_DBG_ENABLE_ASSERTS || defined(__DOXYGEN__)
|
|
/**
|
|
* @name Macro Functions
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief Condition assertion.
|
|
* @details If the condition check fails then the kernel panics with the
|
|
* specified message and halts.
|
|
* @note The condition is tested only if the @p CH_DBG_ENABLE_ASSERTS switch
|
|
* is specified in @p chconf.h else the macro does nothing.
|
|
* @note The convention for the message is the following:<br>
|
|
* @<function_name@>(), #@<assert_number@>
|
|
* @note The remark string is not currently used except for putting a
|
|
* comment in the code about the assertion.
|
|
*
|
|
* @param[in] c the condition to be verified to be true
|
|
* @param[in] m the text message
|
|
* @param[in] r a remark string
|
|
*
|
|
* @api
|
|
*/
|
|
#if !defined(chDbgAssert)
|
|
#define chDbgAssert(c, m, r) { \
|
|
if (!(c)) \
|
|
chDbgPanic(m); \
|
|
}
|
|
#endif /* !defined(chDbgAssert) */
|
|
/** @} */
|
|
#else /* !CH_DBG_ENABLE_ASSERTS */
|
|
#define chDbgAssert(c, m, r) {(void)(c);}
|
|
#endif /* !CH_DBG_ENABLE_ASSERTS */
|
|
|
|
/*===========================================================================*/
|
|
/* Panic related macros. */
|
|
/*===========================================================================*/
|
|
|
|
#if !CH_DBG_ENABLED
|
|
/* When the debug features are disabled this function is replaced by an empty
|
|
macro.*/
|
|
#define chDbgPanic(msg) {}
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
#if CH_DBG_SYSTEM_STATE_CHECK
|
|
extern cnt_t dbg_isr_cnt;
|
|
extern cnt_t dbg_lock_cnt;
|
|
void dbg_check_disable(void);
|
|
void dbg_check_suspend(void);
|
|
void dbg_check_enable(void);
|
|
void dbg_check_lock(void);
|
|
void dbg_check_unlock(void);
|
|
void dbg_check_lock_from_isr(void);
|
|
void dbg_check_unlock_from_isr(void);
|
|
void dbg_check_enter_isr(void);
|
|
void dbg_check_leave_isr(void);
|
|
void chDbgCheckClassI(void);
|
|
void chDbgCheckClassS(void);
|
|
#endif
|
|
#if CH_DBG_ENABLE_TRACE || defined(__DOXYGEN__)
|
|
void _trace_init(void);
|
|
void dbg_trace(Thread *otp);
|
|
#endif
|
|
#if CH_DBG_ENABLED
|
|
extern const char *dbg_panic_msg;
|
|
void chDbgPanic(const char *msg);
|
|
#endif
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _CHDEBUG_H_ */
|
|
|
|
/** @} */
|