Motorola MVME197LE manual Table A-1. ENV Command Parameters

Page 80

A

Configure and Environment Commands

Table A-1. ENV Command Parameters (Continued)

ENV Parameter and Options

Default

Meaning of Default

 

 

 

 

 

 

Network Auto Boot Device LUN

00

LUN of a disk/tape

 

 

device currently

 

 

supported by the Bug.

 

 

Default is $0.

Network Auto Boot Configuration Parameter

00000000

This is the address

Pointer (NVRAM)

 

where the network

 

 

interface configuration

 

 

parameters are to be

 

 

saved/retained in

 

 

NVRAM: these

 

 

parameters are the

 

 

necessary parameters to

 

 

perform an unattended

 

 

network boot.

Memory Search Starting Address

00000000

This is where the Bug

 

 

begins to search for a

 

 

work page (a 64KB

 

 

block of memory) to use

 

 

for vector table, stack,

 

 

and variables. This must

 

 

be a multiple of the

 

 

debugger work page,

 

 

modulo $10000 (64KB).

 

 

In a multi-197

 

 

environment, each

 

 

MVME197LE board

 

 

could be set to start its

 

 

work page at a unique

 

 

address so as to allow

 

 

multiple debuggers to

 

 

operate simultaneously.

Memory Search Ending Address

02000000

Top limit of the Bug’s

 

 

search for a work page.

Memory Search Increment Size

00010000

Must be a multiple of

 

 

the debugger work

 

 

page, modulo $10000

 

 

(64KB).

Memory Search Delay Enable [Y/N]

N

There will be no delay

 

 

before the Bug begins its

 

 

search for a work page.

 

 

 

A-6

Installation Guide

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Contents MVME197LE Restricted Rights Legend Preface Document TerminologyBIT Related Documentation Document Title Motorola Publication NumberPage Page Safety Summary Safety Depends on YOU Contents Hardware Preparation and Installation Using the 197Bug Debugger Appendix a Configure and Environment Commands List of Figures Xiv List of Tables Xvi Introduction OverviewRequirements Features MVME197LE Specifications SpecificationsBlock Diagram Block Diagram Bus Data Bus 256 BusSwitch MC88110 Address Data MUX AddressMezzanine Address Bus Memory ArrayFront Panel Switches and Indicators Functional DescriptionData Bus Structure MC88110 MPUFlash Memory Onboard DramBattery Backup RAM and Clock VMEbus InterfaceInterfaces Serial Port InterfacePrinter Interface Ethernet InterfaceScsi Interface Scsi TerminationPeripheral Resources Connectors Memory MapsInterrupt Sources Processor Bus Memory MapProcessor Bus Memory Map DramsizeAddress Range Devices Accessed Port Size Local Devices Memory MapVMEbus Short I/O Memory Map VMEbus Accesses to the Local Peripheral BusVMEbus Memory Map Unpacking Instructions Hardware PreparationHardware Preparation and Installation VMEbus Connector P1 Configuration Switch S1 General Information Configuration SwitchesSwitch S1 S1-1 to S1-8 OFF -- All Ones Factory Configuration Installation Instructions Switch S6MVME197LE Module Installation System Considerations MVME197LEIG/D1 Hardware Preparation and Installation Overview of M88000 Firmware Description of 197Bug197Bug Implementation Installation and Start-upComparison With M68000-Based Firmware Terminal to make sure XON/XOFF handshaking is enabled OteAutoboot ROMboot Network BootReset Restarting the SystemAbort BreakMPU Clock Speed Calculation Memory RequirementsSYSFAIL* Assertion/Negation Terminal Input/Output Control DELDevice Probe Function Disk I/O SupportBlocks Versus Sectors Disk I/O via 197Bug Commands Disk I/O via 197Bug System Calls DskcfigNetwork I/O Support Default 197Bug Controller and Device ParametersDisk I/O Error Codes Bootp Protocol Module Physical Layer Manager Ethernet DriverUDP/IP Protocol Modules RARP/ARP Protocol ModulesNetwork Boot Control Module Network I/O Error CodesMultiprocessor Support Multiprocessor Control Register Mpcr MethodMpar Diagnostic Facilities Gcsr MethodDebugger General Information Entering Debugger Command Lines DebuggerSyntactic Variables Expression as a ParameterData Type Base Identifier Examples Offset Registers Address as a ParameterAddress Formats Entering and Debugging Programs Port NumbersCalling System Utilities From User Programs Preserving The Debugger Operating Environment197Bug Vector Table and Workspace Hardware FunctionsFloating Point Support CPU/MPU RegistersScientific Notation Single Precision RealDouble Precision Real 197Bug Debugger Command Set Debugger CommandsNocm Noma Name Nioc RL Addrbhw Using the 197Bug Debugger Configure Board Information Block Cnfg MISet Environment to Bug/Operating System ENV DTable A-1. ENV Command Parameters ENV Parameter and Options Default Meaning of DefaultConfigure and Environment Commands Ffbffffc Table A-1. ENV Command Parameters Memory Requirement s 01FFFFFF Table A-1. ENV Command Parameters Efffffff FF7FFFFF Table A-1. ENV Command Parameters Table A-1. ENV Command Parameters Table A-1. ENV Command Parameters DISK/TAPE Controller Data Disk/Tape Controller Modules SupportedDisk/Tape Controller Default Configurations Single Board Computers 7 DevicesMVME320 4 Devices MVME323 4 DevicesMVME327A 9 Devices MVME328 14 DevicesMVME350 1 Device IOT Command Parameters for Supported Floppy Types IOT ParameterDisk/Tape Controller Data Network Controller Data Network Controller Modules SupportedNetwork Controller Data Symbols NumericsIN-2 IN-3 Nvram A-2 XON/XOFF Index
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