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CHAPTER 2 DEPENDENCE FUNCTIONS
2.1.11 Trace
The address and status information can be sampled during program execution to record
it in a trace buffer. This function is called a trace.
■ Trace
The address and status information can be sampled during program execution to record it in a trace buffer.
This function is called a trace. Data of the trace buffer can be used to make a detailed analysis of a program
execution history.
The trace buffer is in the form of a ring. When it becomes full, it records the next data by automatically
overwriting the buffered data at the beginning.
■ Trace Data
The simulator debugger can sample 1000 frames of trace data for the address of the executed instruction.
■ Abortion of Trace Measurement
While the trace function is enabled, data is always sampled and recorded in the trace buffer during execution
of a user program.
The program execution aborts due to a break factor such as a breakpoint, terminating the trace.
Furthermore, when the trace buffer becomes full, a program break can be invoked. This break is called a
trace buffer full break.
■ Frame Number
A number is assigned to each frame of sampled trace data. This number is called a frame number.
The frame number is used to specify the display start position of the trace buffer.
The number 0 is assigned to the last-sampled trace data. Negative values are assigned to trace data that have
been sampled before the arrival at the triggering position.
Figure 2.1-1 Frame Numbering at Tracing
.
.
.
.
-3
-2
-1
0 (Trigger point)
- MC-16 FAMILY 1
- USER'S MANUAL 1
- ■ Trademarks 5
- ■ Organization of This Manual 5
- READING THIS MANUAL 7
- CONTENTS 9
- CHAPTER 1 15
- BASIC FUNCTIONS 15
- ■ Project Management Function 17
- ■ Project Format 17
- ■ Project Configuration 17
- 1.3 Project Dependence 19
- 1.4 Make/Build Function 20
- ■ Customize Build function 21
- ■ Setting Options 21
- ■ Macro List 21
- Workbench 23
- SOFTUNE Workbench 24
- ■ Tool Options 24
- 1.7 Error Jump Function 25
- ■ Reference Section 26
- 1.8 Editor Functions 27
- 1.9 Storing External Editors 28
- 1.10 Storing External Tools 30
- ■ Macros 31
- ■ Examples of Macro Expansion 33
- ■ Operating Environment 35
- 1.13 Debugger Types 36
- 1.15 Register Operations 38
- ■ Line Assembly 39
- ■ Disassembly 39
- 1.17 Symbolic Debugging 40
- ■ Line Number Information 41
- ■ Moving Scope 42
- ■ Notes on C Language Symbols 44
- CHAPTER 2 45
- DEPENDENCE FUNCTIONS 45
- 2.1 Simulator Debugger 46
- ■ Simulation Range 47
- The simulator debugger for F 49
- 2.1.2 Instruction Simulation 50
- 2.1.3 Memory Simulation 51
- 2.1.4 I/O Port Simulation 52
- 2.1.5 Interrupt Simulation 53
- 2.1.6 Reset Simulation 54
- Program execution 56
- 2.1.9 Break 57
- 2.1.9.1 Code Break 58
- 2.1.9.2 Data Break 60
- 2.1.9.4 Guarded Access Break 62
- 2.1.9.5 Forced Break 63
- 2.1.11 Trace 66
- 2.1.11.1 Setting Trace 67
- ■ Displaying Trace Data 68
- ■ Clearing Trace Data 68
- 2.1.11.3 Searching Trace Data 69
- 2.1.11.4 Saving Trace Data 70
- 2.1.12 Measuring Coverage 71
- 2.2.1.1 MCU Operation Mode 79
- ■ MCU Operation Speed 80
- 2.2.1.2 Debug Area 81
- 2.2.1.3 Memory Area Types 82
- 2.2.1.4 Memory Mapping 85
- 2.2.5 Break 93
- 2.2.5.1 Code Break 94
- 2.2.5.2 Data Break 96
- 2.2.5.3 Sequential Break 97
- 2.2.5.4 Guarded Access Break 98
- ■ Setting Method 100
- 2.2.5.7 Forced Break 101
- 2.2.6 Events 102
- ■ Event Modes 103
- ■ Operation in Normal Mode 104
- Multitrace measurement 106
- Performance measurement 108
- 2.2.7 Control by Sequencer 110
- 2.2.7.1 Setting Sequencer 111
- 2.2.7.2 Break by Sequencer 113
- 2.2.8 Real-time Trace 119
- 2.2.8.1 Single Trace 120
- 2.2.8.2 Setting Single Trace 122
- 2.2.8.3 Multi trace 124
- Global number Local number 125
- 2.2.8.4 Setting Multi Trace 126
- Display of sequencer level 130
- 2.2.8.9 Saving Trace Data 135
- 2.2.9 Measuring Performance 136
- ■ Setting Events 138
- ■ Executing Program 138
- ■ Displaying Measured Time 139
- 2.2.10 Measuring Coverage 140
- ■ Measurement Items 145
- ■ Sampling by External Probe 147
- ■ Debugger Information 149
- ■ How to Check 149
- ■ Displayed Contents 149
- ■ Emulator 151
- 2.3.1.2 MCU Operation Mode 154
- 2.3.1.3 Debug Area 155
- 2.3.1.4 Memory Area Types 156
- 2.3.1.5 Memory Mapping 158
- ■ Internal ROM Area Setting 159
- 2.3.1.6 Debug Function 160
- 2.3.1.7 Event Mode 161
- ■ Notes on GO Command 162
- ■ Notes on STEP Command 163
- ■ Controlling Watchdog Timer 163
- 2.3.4 Break 166
- 2.3.4.1 Code Break 167
- 2.3.4.2 Data Break 169
- 2.3.4.3 Monitoring Data Break 170
- 2.3.4.4 Sequential Break 171
- 2.3.4.5 Guarded Access Break 172
- ■ Trace-Buffer-Full Break 173
- ■ External Trigger Break 175
- 2.3.4.9 Forced Break 176
- 2.3.5 Control by Sequencer 177
- 2.3.5.1 Setting Sequencer 179
- ■ Setting Sequencer 180
- 2.3.6 Real-time Trace 181
- ■ Trace Filter 182
- ■ Trace Trigger Setup 182
- 2.3.6.1 Setting Single Trace 184
- 2.3.6.2 Multi Trace 185
- Event trigger 186
- [Example] 190
- 2.3.6.8 Saving Trace Data 197
- 2.3.7 Measuring Performance 198
- 2.3.8 Measuring Coverage 202
- 2.3.9 Real-time Monitoring 206
- 2.3.11 Power-on Debugging 209
- 2.3.12 RAM Checker 210
- ■ Specifications List 211
- ■ To Use the RAM Checker 211
- ■ About Log File 212
- ■ RAM Checker Viewer 213
- 2.4.1.2 MCU Operation Mode 219
- 2.4.1.3 Debug Area 220
- 2.4.1.4 Memory Area Types 221
- 2.4.1.5 Memory Mapping 223
- 2.4.4 Break 228
- 2.4.4.1 Code Break 229
- 2.4.4.2 Data Break 231
- 2.4.4.3 Guarded Access Break 232
- 2.4.4.5 Forced Break 234
- 2.4.5 Real-time Trace 235
- 2.4.5.1 Setting Trace 237
- 2.4.5.6 Saving Trace Data 245
- ■ Emulator Debugger 247
- 2.5.1.3 MCU Operation Mode 251
- ■ Operation frequency 252
- 2.5.4 Break 256
- 2.5.4.1 Code Break 257
- 2.5.4.2 Data Break 259
- 2.5.4.3 Guarded Access Break 260
- 2.5.4.4 Sequential Break 261
- 2.5.4.8 Forced Break 265
- 2.5.5 Control by Sequencer 266
- 2.5.6 Real-time Trace 270
- 2.5.6.1 Setting Trace 272
- Time stamp 277
- Disassemble Description 277
- Frame Number 277
- Decimal 277
- 2.5.6.5 Saving Trace Data 279
- 2.5.7 Measuring Performance 280
- Total measuring count 282
- 2.5.9 Power-On Debugging 285
- MB2100-01 is specified 286
- 2.6.1 Starting debugging 287
- ■ How to set 288
- 2.6.1.2 Security 290
- 2.6.2 Ending debugging 291
- ■ Debug Functions 294
- ■ Switching methods 294
- 2.6.4 Executing Program 295
- 2.6.4.2 Monitoring 298
- 2.6.4.3 Power-on Debug 299
- ■ Access to Flash Memory 303
- ■ Break Functions 307
- 2.6.6.1 Code Break (Hardware) 308
- 2.6.6.2 Code Break (Software) 310
- 2.6.6.3 Data Break 311
- 2.6.6.4 Forced Break 312
- 2.6.6.5 Data Watch Break 313
- 2.6.6.6 Sequencer 315
- ■ Specifications of Sequencer 316
- ■ Error Information 318
- [Performance Measurement] 320
- 2.6.8.1 Measuring Performance 322
- ■ Ending the Measurement 323
- ■ What is Trace 324
- ■ Trace Functions 324
- ■ Acquiring Trace Data 324
- ■ Trace Buffer 324
- Program flow 325
- Trace Buffer 325
- Max. 1,024 frames 325
- 2.6.9.1 Displaying Trace Data 326
- Jump address 328
- Interrupt 328
- ■ Source Display 330
- 2.6.9.5 Saving Trace Data 331
- ■ Searching for Trace Data 332
- ■ What is Semihosting Feature 333
- ■ What is Terminal Window 333
- 2.7 Monitor Debugger 337
- ■ Required Resources 338
- 2.7.2 Break 339
- 2.7.2.1 Software Break 340
- 2.7.2.2 Forced Break 341
- FUJITSU SEMICONDUCTOR LIMITED 353
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