common/breakpoint.h

/******************************************************************************
 * @file     breakpoint.h
 *
 * @brief    for TLSR chips
 *
 * @author   public@telink-semi.com;
 * @date     Sep. 30, 2010
 *
 * @attention
 *
 *  Copyright (C) 2019-2020 Telink Semiconductor (Shanghai) Co., Ltd.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *****************************************************************************/

#pragma once
#include "../tl_common.h"

//  breakpoint simulation
#define MODULE_BREAKPOINT_ENABLE    0

#if(MODULE_BREAKPOINT_ENABLE)
extern volatile int bp_continue;        //
extern volatile int bp_counter;            // use for breakpoint on counter
extern volatile int bp_pos;                // to indicate where the breakpoint is, may be useful in BP_ON_COND
extern volatile int bp_enable;            // enable breakpoint,  default to 1

#define BP_RST_COUNTER        do{bp_counter = 0;}while(0)

// no idea why gcc optimize off the multline version,  so use the oneline version instead
#if 1
#define BP_ALWAYS(p)        if(bp_enable){bp_pos = p;bp_continue = 0;reg_system_tick_ctrl=FLD_SYSTEM_TICK_STOP;do{}while(bp_enable && 0 == bp_continue);reg_system_tick_ctrl=FLD_SYSTEM_TICK_START;}
#define BP_ON_COUNTER(p,c)    if(bp_enable){bp_pos = p;++bp_counter;reg_system_tick_ctrl=FLD_SYSTEM_TICK_STOP;do{}while(bp_enable && (bp_counter == c));reg_system_tick_ctrl=FLD_SYSTEM_TICK_START;}
#define BP_ON_COND(p,c)        if(bp_enable){bp_pos = p;bp_continue = 0;reg_system_tick_ctrl=FLD_SYSTEM_TICK_STOP;do{}while(bp_enable && (0 == bp_continue) && (c));reg_system_tick_ctrl=FLD_SYSTEM_TICK_START;}
#else
#define BP_ALWAYS(p)        if(bp_enable)                                        \
                            {                                                    \
                                bp_pos = p;                                        \
                                bp_continue = 0;                                 \
                                CLR_FLD(reg_tmr_ctrl,FLD_TMR0_EN);                 \
                                do{                                                \
                                }while(bp_enable && 0 == bp_continue);            \
                                SET_FLD(reg_tmr_ctrl,FLD_TMR0_EN);                \
                            }
#define BP_ON_COUNTER(p,c)    if(bp_enable)                                        \
                            {                                                    \
                                bp_pos = p;                                     \
                                ++bp_counter;                                     \
                                CLR_FLD(reg_tmr_ctrl,FLD_TMR0_EN);                 \
                                do{                                                \
                                }while(bp_enable && bp_counter == c);            \
                                SET_FLD(reg_tmr_ctrl,FLD_TMR0_EN);                \
                            }

#define BP_ON_COND(p,c)        if(bp_enable)                                        \
                            {                                                    \
                                bp_pos = p;                                     \
                                bp_continue = 0;                                 \
                                CLR_FLD(reg_tmr_ctrl,FLD_TMR0_EN);                 \
                                do{                                                \
                                }while(bp_enable && (0 == bp_continue) && (c));    \
                                SET_FLD(reg_tmr_ctrl,FLD_TMR0_EN);                \
                            }

#endif

#else

#define BP_RST_COUNTER

#define BP_ALWAYS
#define BP_ON_COUNTER(p, c)
#define BP_ON_COND(p, c)

#endif