mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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255 lines
8.4 KiB
C
255 lines
8.4 KiB
C
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012,2013 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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---
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes ChibiOS/RT, without being obliged to provide
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the source code for any proprietary components. See the file exception.txt
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for full details of how and when the exception can be applied.
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*/
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/**
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* @file chdebug.h
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* @brief Debug macros and structures.
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*
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* @addtogroup debug
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* @{
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*/
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#ifndef _CHDEBUG_H_
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#define _CHDEBUG_H_
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#if CH_DBG_ENABLE_ASSERTS || CH_DBG_ENABLE_CHECKS || \
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CH_DBG_ENABLE_STACK_CHECK || CH_DBG_SYSTEM_STATE_CHECK
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#define CH_DBG_ENABLED TRUE
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#else
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#define CH_DBG_ENABLED FALSE
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#endif
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#define __QUOTE_THIS(p) #p
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/*===========================================================================*/
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/**
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* @name Debug related settings
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* @{
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*/
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/*===========================================================================*/
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/**
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* @brief Trace buffer entries.
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*/
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#ifndef CH_TRACE_BUFFER_SIZE
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#define CH_TRACE_BUFFER_SIZE 64
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#endif
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/**
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* @brief Fill value for thread stack area in debug mode.
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*/
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#ifndef CH_STACK_FILL_VALUE
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#define CH_STACK_FILL_VALUE 0x55
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#endif
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/**
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* @brief Fill value for thread area in debug mode.
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* @note The chosen default value is 0xFF in order to make evident which
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* thread fields were not initialized when inspecting the memory with
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* a debugger. A uninitialized field is not an error in itself but it
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* better to know it.
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*/
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#ifndef CH_THREAD_FILL_VALUE
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#define CH_THREAD_FILL_VALUE 0xFF
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#endif
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/** @} */
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/*===========================================================================*/
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/* System state checker related code and variables. */
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/*===========================================================================*/
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#if !CH_DBG_SYSTEM_STATE_CHECK
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#define dbg_enter_lock()
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#define dbg_leave_lock()
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#define dbg_check_disable()
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#define dbg_check_suspend()
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#define dbg_check_enable()
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#define dbg_check_lock()
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#define dbg_check_unlock()
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#define dbg_check_lock_from_isr()
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#define dbg_check_unlock_from_isr()
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#define dbg_check_enter_isr()
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#define dbg_check_leave_isr()
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#define chDbgCheckClassI()
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#define chDbgCheckClassS()
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#else
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#define dbg_enter_lock() (dbg_lock_cnt = 1)
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#define dbg_leave_lock() (dbg_lock_cnt = 0)
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#endif
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/*===========================================================================*/
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/* Trace related structures and macros. */
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/*===========================================================================*/
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#if CH_DBG_ENABLE_TRACE || defined(__DOXYGEN__)
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/**
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* @brief Trace buffer record.
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*/
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typedef struct {
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systime_t se_time; /**< @brief Time of the switch event. */
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Thread *se_tp; /**< @brief Switched in thread. */
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void *se_wtobjp; /**< @brief Object where going to sleep.*/
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uint8_t se_state; /**< @brief Switched out thread state. */
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} ch_swc_event_t;
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/**
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* @brief Trace buffer header.
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*/
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typedef struct {
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unsigned tb_size; /**< @brief Trace buffer size (entries).*/
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ch_swc_event_t *tb_ptr; /**< @brief Pointer to the buffer front.*/
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/** @brief Ring buffer.*/
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ch_swc_event_t tb_buffer[CH_TRACE_BUFFER_SIZE];
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} ch_trace_buffer_t;
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#if !defined(__DOXYGEN__)
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extern ch_trace_buffer_t dbg_trace_buffer;
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#endif
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#endif /* CH_DBG_ENABLE_TRACE */
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#if !CH_DBG_ENABLE_TRACE
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/* When the trace feature is disabled this function is replaced by an empty
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macro.*/
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#define dbg_trace(otp)
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#endif
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/*===========================================================================*/
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/* Parameters checking related macros. */
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/*===========================================================================*/
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#if CH_DBG_ENABLE_CHECKS || defined(__DOXYGEN__)
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/**
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* @name Macro Functions
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* @{
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*/
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/**
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* @brief Function parameters check.
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* @details If the condition check fails then the kernel panics and halts.
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* @note The condition is tested only if the @p CH_DBG_ENABLE_CHECKS switch
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* is specified in @p chconf.h else the macro does nothing.
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*
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* @param[in] c the condition to be verified to be true
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* @param[in] func the undecorated function name
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*
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* @api
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*/
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#if !defined(chDbgCheck)
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#define chDbgCheck(c, func) { \
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if (!(c)) \
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chDbgPanic(__QUOTE_THIS(func)"()"); \
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}
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#endif /* !defined(chDbgCheck) */
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/** @} */
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#else /* !CH_DBG_ENABLE_CHECKS */
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#define chDbgCheck(c, func) { \
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(void)(c), (void)__QUOTE_THIS(func)"()"; \
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}
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#endif /* !CH_DBG_ENABLE_CHECKS */
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/*===========================================================================*/
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/* Assertions related macros. */
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/*===========================================================================*/
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#if CH_DBG_ENABLE_ASSERTS || defined(__DOXYGEN__)
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/**
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* @name Macro Functions
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* @{
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*/
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/**
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* @brief Condition assertion.
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* @details If the condition check fails then the kernel panics with the
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* specified message and halts.
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* @note The condition is tested only if the @p CH_DBG_ENABLE_ASSERTS switch
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* is specified in @p chconf.h else the macro does nothing.
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* @note The convention for the message is the following:<br>
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* @<function_name@>(), #@<assert_number@>
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* @note The remark string is not currently used except for putting a
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* comment in the code about the assertion.
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*
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* @param[in] c the condition to be verified to be true
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* @param[in] m the text message
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* @param[in] r a remark string
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*
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* @api
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*/
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#if !defined(chDbgAssert)
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#define chDbgAssert(c, m, r) { \
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if (!(c)) \
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chDbgPanic(m); \
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}
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#endif /* !defined(chDbgAssert) */
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/** @} */
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#else /* !CH_DBG_ENABLE_ASSERTS */
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#define chDbgAssert(c, m, r) {(void)(c);}
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#endif /* !CH_DBG_ENABLE_ASSERTS */
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/*===========================================================================*/
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/* Panic related macros. */
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/*===========================================================================*/
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#if !CH_DBG_ENABLED
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/* When the debug features are disabled this function is replaced by an empty
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macro.*/
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#define chDbgPanic(msg) {}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if CH_DBG_SYSTEM_STATE_CHECK
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extern cnt_t dbg_isr_cnt;
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extern cnt_t dbg_lock_cnt;
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void dbg_check_disable(void);
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void dbg_check_suspend(void);
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void dbg_check_enable(void);
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void dbg_check_lock(void);
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void dbg_check_unlock(void);
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void dbg_check_lock_from_isr(void);
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void dbg_check_unlock_from_isr(void);
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void dbg_check_enter_isr(void);
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void dbg_check_leave_isr(void);
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void chDbgCheckClassI(void);
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void chDbgCheckClassS(void);
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#endif
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#if CH_DBG_ENABLE_TRACE || defined(__DOXYGEN__)
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void _trace_init(void);
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void dbg_trace(Thread *otp);
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#endif
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#if CH_DBG_ENABLED
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extern const char *dbg_panic_msg;
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void chDbgPanic(const char *msg);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _CHDEBUG_H_ */
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/** @} */
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