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CPU32 Emulation 171
Chapter 11: Troubleshooting the Emulator
Problems with the Target System
Problems with the Target System
If boot area accesses fail
When you start a debugger interface or attempt to run from reset, the
emulator makes four accesses to the target system boot area to find
reset values for the SP and PC. It then attempts to read the values on
the stack and the code at the PC.
This problem can result in unknown values for the SP and PC
(displayed as ???) and can make the debugger interface respond very
slowly.
To avoid this problem, you can do several things:
❏
Use the 10-pin connector. The extra two pins on this connector allow the
emulator to complete unterminated memory cycles.
❏
In your boot-up code, set the initial PC and stack pointer to memory which
will be accessible at reset. Be sure to set the chip selects appropriately.
If the target system does not run
❏
If your target system uses a 68360, check that the FREEZE and CONFIG2
lines have sufficient pull-up current. See page 123 for more information.
- Emulation for 2
- Motorola CPU32 2
- In This Book 5
- Registers) 9
- Contents 10
- Together 11
- Updating Firmware 12
- Troubleshooting the Emulator 12
- Setup Flowchart 18
- Emulation Probe 19
- CPU32 Emulation 19 20
- Chapter 1: Overview 20
- Minimum equipment required 21
- CPU32 Emulation 21 22
- To power on the system 23
- To power off the system 23
- Connection Sequence 23
- Emulation Migration 26
- CPU32 Emulation 27 28
- 28 CPU32 Emulation 29
- Serial connection 31
- Recommended connection 31
- Workstation 32
- To obtain an IP address 33
- CPU32 Emulation 33 34
- 34 CPU32 Emulation 35
- 36 CPU32 Emulation 37
- CPU32 Emulation 39 40
- See Also 40
- To verify LAN communications 42
- CPU32 Emulation 43 44
- To connect a serial cable 45
- HP 16701A expansion frame 50
- 50 CPU32 Emulation 51
- CPU32 Emulation 51 52
- 6 Reinstall the cover 53
- Installing and loading 55
- What needs to be installed 56
- (HP 16600A/700A) 57
- 58 CPU32 Emulation 59
- Emulator 60
- 60 CPU32 Emulation 61
- 1 Open the Workspace window 64
- 64 CPU32 Emulation 65
- Debug port connections 66
- 8-pin BDM port 68
- 10-pin BDM port 68
- Target V 68
- CONFIG2 pin 69
- Enabling BDM 69
- To test the emulator 69
- 70 CPU32 Emulation 71
- CPU32 Emulation 73 74
- 1 Turn on the target system 75
- Configuring the Emulator 76
- Interface 77
- To configure using a debugger 79
- command will restore 80
- 80 CPU32 Emulation 81
- 82 CPU32 Emulation 83
- Emulation probe 84
- 84 CPU32 Emulation 85
- To test memory accesses 88
- 88 CPU32 Emulation 89
- EMSIM Registers) 90
- The purpose of SIM Registers 91
- Configuring the SIM Registers 92
- 92 CPU32 Emulation 93
- CPU32 Emulation 93 94
- 94 CPU32 Emulation 95
- Load Configuration 96
- To manually define SIM values 97
- SIM registers” on page 95 99
- In Commands 100
- Registers 102
- 102 CPU32 Emulation 103
- Benefits of using a debugger 105
- CPU32 Emulation 105 106
- Minimum requirements 107
- LAN connection 107
- Setting up Debugger Software 108
- Port numbers for emulators 109
- CPU32 Emulation 109 110
- 110 CPU32 Emulation 111
- 1 Telnet to the IP address 112
- 2 At the prompt, type: 112
- at the prompt 112
- IP_address 113
- CPU32 Emulation 113 114
- Compatibility 115
- Overview 115
- Getting started 115
- Start the debugger 117
- 7 Download the code: 118
- To reinitialize the system 122
- Error conditions 122
- Hills Software, Inc 123
- Startup behavior 124
- To send commands 131
- Download performance 132
- Using the Analysis Probe and 134
- Emulation Module Together 134
- Analyzer 137
- CPU32 Emulation 137 138
- To minimize the “skid” effect 139
- Emulation Module 142
- Group Run 143
- Debuggers can cause triggers 144
- 144 CPU32 Emulation 145
- CPU32 Emulation 145 146
- 146 CPU32 Emulation 147
- Emulation Probe Firmware 150
- Emulation Module Firmware 151
- CPU32 Emulation 151 152
- Chapter 9: Updating Firmware 152
- See also 152
- 152 CPU32 Emulation 153
- Processor compatibility 155
- BNC, labeled TRIGGER OUT 156
- BNC, labeled BREAK IN 156
- Communications 156
- Accessory Power Out 156
- Power Supply 156
- Electrical Characteristics 157
- 158 CPU32 Emulation 159
- Troubleshooting Guide 162
- Status Lights 163
- Emulation Probe Status Lights 164
- Emulator Built-in Commands 166
- To use the built-in commands 168
- Problems with Configuration 171
- If boot area accesses fail 172
- Module Only) 173
- Probe Only) 178
- To run the power up self test 183
- 184 CPU32 Emulation 185
- CPU32 Emulation 185 186
- 5 Enter the pv 1 command 187
- CPU32 Emulation 187 188
- 188 CPU32 Emulation 189
- TEST 7: I2C Test 190
- TEST 8: Data Line Test 190
- To obtain replacement parts 192
- To clean the instrument 193
- Glossary 194
- 196 CPU32 Emulation 197
- CPU32 Emulation 197 198
- 198 CPU32 Emulation 199
- CPU32 Emulation 199 200
- 200 CPU32 Emulation 201
- DECLARATION OF CONFORMITY 202
- Product Regulations 203
- Hewlett-Packard 204
- P.O. Box 2197 204
- 1900 Garden of the Gods Road 204
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