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CHAPTER 2 DEPENDENCE FUNCTIONS
2.4.6 Measuring Execution Cycle Count
This function measures the program execution cycle count.
■ Measurement Items
Measures cycle count between the start and stop of program execution.
In this emulator debugger, the measurement is performed by the cycle counter. The following shows the
features of the cycle counter.
Significant bits : 56 bits
Maximum measurement cycle count : 72,057,594,037,927,935 cycles
The measurement is performed whenever a program is executed, and the measurement result displays the
following two values:
• Number of cycles spent on the previous program execution
• Total number of cycles executed since the previous clearing
■ Displaying Measurement Results
Either of the following methods can be used to display the measurement results.
• Display by dialog
The results appear in the time measurement dialog, which can be displayed by selecting [Debug] - [Time
Measurement] menu.
For details, refer to Section "4.6.8 Time Measurement" in "SOFTUNE Workbench Operation Manual".
• Display by command
Enter the SHOW TIMER command in the command window.
For details, refer to Section "4.27 SHOW TIMER" in "SOFTUNE Workbench Command Reference Manual".
■ Clearing Measurement Results
Either of the following methods can be used to clear the measurement results.
• Clearing by dialog
Click the [Clear] button in the time measurement dialog, which can be displayed by selecting [Debug] -
[Time Measurement] menu.
For details, refer to Section "4.6.8 Time Measurement" in "SOFTUNE Workbench Operation Manual".
• Clearing by command
Enter the CLEAR TIMER command in the command window.
For details, refer to Section "4.28 CLEAR TIMER" in "SOFTUNE Workbench Command Reference Manual".
Note:
The measured number of execution cycles is added about ten extra cycles per execution. If the
execution cycle is measured, execute many instructions continuously in order to minimize the effect of
error.
- 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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