mirror of https://github.com/rusefi/ChibiOS.git
242 lines
7.7 KiB
C
242 lines
7.7 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.
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This file is part of ChibiOS.
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ChibiOS 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 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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/**
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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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/*===========================================================================*/
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/* Module constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module pre-compile time settings. */
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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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* @brief Trace buffer entries.
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*/
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#ifndef CH_DBG_TRACE_BUFFER_SIZE
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#define CH_DBG_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_DBG_STACK_FILL_VALUE
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#define CH_DBG_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_DBG_THREAD_FILL_VALUE
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#define CH_DBG_THREAD_FILL_VALUE 0xFF
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#endif
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/** @} */
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module data structures and types. */
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/*===========================================================================*/
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#if (CH_DBG_ENABLE_TRACE == TRUE) || 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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/**
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* @brief Time of the switch event.
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*/
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systime_t se_time;
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/**
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* @brief Switched in thread.
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*/
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thread_t *se_tp;
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/**
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* @brief Object where going to sleep.
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*/
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void *se_wtobjp;
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/**
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* @brief Switched out thread state.
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*/
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uint8_t se_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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/**
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* @brief Trace buffer size (entries).
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*/
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unsigned tb_size;
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/**
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* @brief Pointer to the buffer front.
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*/
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ch_swc_event_t *tb_ptr;
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/**
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* @brief Ring buffer.
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*/
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ch_swc_event_t tb_buffer[CH_DBG_TRACE_BUFFER_SIZE];
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} ch_trace_buffer_t;
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#endif /* CH_DBG_ENABLE_TRACE */
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/*===========================================================================*/
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/* Module macros. */
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/*===========================================================================*/
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#if CH_DBG_SYSTEM_STATE_CHECK == TRUE
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#define _dbg_enter_lock() (ch.dbg.lock_cnt = 1)
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#define _dbg_leave_lock() (ch.dbg.lock_cnt = 0)
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#endif
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/* When the state checker feature is disabled then the following functions
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are replaced by an empty macro.*/
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#if CH_DBG_SYSTEM_STATE_CHECK == FALSE
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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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#endif
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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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#if CH_DBG_ENABLE_TRACE == FALSE
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#define _dbg_trace(otp)
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#endif
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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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*
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* @api
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*/
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#if !defined(chDbgCheck)
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#if CH_DBG_ENABLE_CHECKS
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#define chDbgCheck(c) do { \
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if (!(c)) { \
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chSysHalt(__func__); \
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} \
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} while (false)
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#else
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#define chDbgCheck(c)
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#endif
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#endif /* !defined(chDbgCheck) */
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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 a
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* 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 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] 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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#if CH_DBG_ENABLE_ASSERTS == TRUE
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#define chDbgAssert(c, r) do { \
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/*lint -save -e506 -e774 [2.1, 14.3] Can be a constant.*/ \
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if (!(c)) { \
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/*lint -restore*/ \
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chSysHalt(__func__); \
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} \
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} while (false)
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#else
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#define chDbgAssert(c, r)
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#endif
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#endif /* !defined(chDbgAssert) */
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/** @} */
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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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 == TRUE
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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 == TRUE) || defined(__DOXYGEN__)
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void _dbg_trace_init(void);
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void _dbg_trace(thread_t *otp);
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#endif
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#ifdef __cplusplus
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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#endif /* _CHDEBUG_H_ */
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/** @} */
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