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MVME167BUG/D3
1-1
1
167BUG GENERAL
INFORMATION
Overview of M68000 Firmware
This member of the M68000 firmware family is implemented on the MVME166
and MVME167 CISC Single Board Computers (SBC), and is known as the
MVME166BUG or 166Bug on the MVME166, and MVME167BUG or 167Bug
on the MVME167 computer.
Note
This manual supports both the MVME166 and the
MVME167 boards. Specific references are made to 166Bug
and the MVME166 to note exceptions or differences from
the 167Bug and the MVME167.
Description of 167Bug
167Bug consists of three parts:
❏
A command-driven, user-interactive software debugger, described in the
Debugging Package for Motorola 68K CISC CPUs User's Manual,
and
hereafter referred to as "the debugger" or "167Bug".
❏
A command-driven diagnostic package for the MVME167 hardware,
described in Chapter 2 and hereafter referred to as "the diagnostics".
❏
A user interface which accepts commands from the system console
terminal.
When using 167Bug, you operate out of either the debugger directory or the
diagnostic directory. If you are in the debugger directory, the debugger
prompt
167-Bug>
is displayed and you have all of the debugger commands at
your disposal. If you are in the diagnostic directory, the diagnostic prompt
167-Diag>
is displayed and you have all of the diagnostic commands at your
disposal as well as all of the debugger commands. You may switch between
directories by using the Switch Directories (
SD
) command, or you may
examine the commands in the particular directory that you are currently in by
using the Help (
HE
) command.
Because 167Bug is command-driven, it performs its various operations in
response to user commands entered at the keyboard. The flow of control in
167Bug is shown in Figure 1-1. (sheets 1, 3, and 4)and Figure 1-2. The flow of
control in 166Bug is shown in Figure 1-1 (sheets 2, 3, and 4) and Figure 1-2. The
- (MVME167BUG/D3) 1
- Restricted Rights Legend 2
- Contents 5
- List of Figures 10
- List of Tables 11
- 167BUG GENERAL 13
- INFORMATION 13
- Description of 167Bug 15
- 167Bug General Information 16
- (Sheet 1 of 3) 20
- (Sheet 2 of 3) 21
- (Sheet 3 of 3) 22
- MVME167BUG/D3 23
- MVME167BUG/D3 1-13 25
- 166BBug Implementation 26
- Execute User Program 27
- Setup System Parameters 28
- Memory Requirements 29
- Diagnostic Facilities 29
- Related Documentation 30
- Manual Terminology 31
- DIAGNOSTIC FIRMWARE 33
- Diagnostic Monitor 34
- Command Entry and Directories 35
- Utilities 36
- MVME167BUG/D3 2-5 37
- Help - Command HE 38
- Help Extended - Command HEX 38
- Figure 2-1. Help Screen 39
- Loop Always Mode - Prefix LA 40
- Loop-Continue Mode - Prefix LC 40
- Loop-On-Error Mode - Prefix LE 40
- Non-Verbose Mode - Prefix NV 41
- Stop-On-Error Mode - Prefix SE 42
- Self Test - Command ST 42
- Zero Pass Count - Command ZP 43
- Diagnostic Firmware 44
- TEST DESCRIPTIONS 45
- Memory Addressing - ADR 47
- Alternating Ones/Zeros - ALTS 48
- Bit Toggle - BTOG 49
- Code Execution/Copy - CODE 51
- Data Patterns - PATS 52
- Permutations - PERM 55
- Quick Write/Read - QUIK 56
- Memory Refresh Testing - REF 57
- Random Data - RNDM 59
- MK48T0x (RTC) Tests 60
- BBRAM Addressing - ADR 61
- Clock Function - CLK 62
- MVME167BUG/D3 3-19 63
- RTC not running 63
- Data Miscompare Error: 63
- Battery Backed-Up SRAM - RAM 64
- Prescaler Clock Adjust - ADJ 66
- FAST Bit - FAST 67
- GPIO Interrupts - GPIO 68
- LANC Interrupts - LANC 70
- MIEN Bit - MIEN 72
- Prescaler Clock - PCLK 73
- Device Access - REGA 84
- Register Access - REGB 85
- Timer 1 Counter - TMR1A 86
- Timer 1 Free-Run - TMR1B 87
- Timer 1 Interrupts - TMR1E 90
- Timer 2 Counter - TMR2A 92
- Timer 2 Free-Run - TMR2B 93
- Timer 2 Interrupts - TMR2E 96
- Vector Base Register - VBR 98
- Check-Bit DRAM - CBIT 101
- Test Descriptions 102
- Failures in checkbit memory: 102
- The test ends with: 102
- Exceptions - EXCPTN 103
- Multi-Bit-Error - MBE 104
- Single-Bit-Error - SBE 105
- Scrubbing - SCRUB 106
- Bus Clock Register - BUSCLK 110
- Chip ID Register - CHIPID 111
- MVME167BUG/D3 3-71 115
- Data Cache Copyback - DCAC_CB 117
- Serial Port (ST2401) Tests 122
- MVME167BUG/D3 3-79 123
- MVME167BUG/D3 3-81 125
- 167-Diag>ST2401 DMA 126
- MVME167BUG/D3 3-83 127
- MVME167BUG/D3 3-85 129
- 167-Diag>ST2401 INTR 130
- MVME167BUG/D3 3-87 131
- ST2401 Error Messages 132
- Build Default Tables - TBLBLD 136
- MVME167BUG/D3 3-93 137
- 167-Diag>MMU TBLVERF 137
- TC Register Test - TC 138
- RP Register Test - RP 139
- Tablewalk Mapped Pages - WALK 140
- Mapped ROM Read Test - MAPROM 141
- Used Page Test - USEDPAGE 142
- Modified Page Test - MODPAGE 143
- Invalid Page Test - INVPAGE 144
- Register Access - REGA 147
- Register Walking Bit - REGB 148
- VME2/REGB Test Failure Data: 149
- MVME167BUG/D3 3-107 151
- Timer Accuracy Test - TACU 156
- Prescaler Clock Adjust - TMRC 159
- Overflow Counter - TMRH, TMRI 162
- Watchdog Timer Counter - TMRJ 163
- Register Access - REGACC 166
- Local Walking Bit - L_WKB 167
- MVME167BUG/D3 3-129 173
- Mnemonic Description 173
- REG Deltapath test 173
- IRQ Interrupt test 173
- PI/T Port's IRQ - IRQ 175
- 167-Diag>CF LANC 178
- Chip Self Test - CST 179
- (error message) 180
- MVME167BUG/D3 3-137 181
- MVME167BUG/D3 3-141 185
- RECEIVE Data Time-Out 185
- +12VDC Fuse - FUSE 190
- Internal Loopback - ILB 191
- Interrupt Request - IRQ 194
- MVME167BUG/D3 3-151 195
- 167-Diag>LANC MON 195
- Additional Error Messages 198
- Device Access - ACC1 202
- Register Access - ACC2 204
- DMA FIFO - DFIFO 206
- Interrupts - IRQ 207
- Loopback - LPBK 210
- SCRIPTs Processor - SCRIPTS 211
- SCSI FIFO - SFIFO 214
- MVME167BUG 215
- ENVIRONMENT 215
- Configure VMEbus Interface 221
- MVME167BUG/D3 4-17 231
- MVME167Bug Environment 232
- Numerics 233
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