GEPPCBug Firmware Package User’s Manual Parts 1 & 2

Notice

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Preface

The PPCBug Firmware Package User’s Manual provides information on the PPCBug 

firmware, the start-up and boot routines, the debugger commands, the one-line 

assembler/disassembler, and the debugger system calls. All information 

contained herein is specific to Motorola’s PowerPC™-based boards: MVME230x

VME Processor Modules, MVME260x Single Board Computers, MVME3604 VME 

Processor Modules, MVME4604 VME Dual Processor Modules, MTX Embedded 

ATX Motherboards, MCP750 CompactPCI, and PMCspan PCI expansion boards. 

In this manual, they are collectively referred to as the PowerPC board or board.

This manual covers release 3.5, and earlier versions, of PPC1Bug.

This document is bound in two parts. Part 1 (PPCBUGA1/UM4) contains the Table 

of Contents, List of Figures, List of Tables, and Chapters 1 through 3. Part 2 

(PPCBUGA2/UM4) contains Chapters 4 and 5, Appendixes A through H, and the 

Index.

The diagnostics are covered in the PPCBug Diagnostics Manual (PPCDIAA/UM2).

A basic knowledge of computers and digital logic is assumed. Refer to Appendix 

A, Related Documentation, of this manual for a list of documents that may provide 

helpful information.

This manual is intended for anyone who designs OEM systems, supplies 

additional capability to an existing compatible system, or works in a lab 

environment for experimental purposes.

Motorola® and the Motorola symbol are registered trademarks of Motorola, Inc.

PowerPC™ is a trademark of IBM, and is used by Motorola with permission.

AIXTM is a trademark of IBM Corp.

All other products mentioned in this document are trademarks or registered 

trademarks of their respective holders.

Conventions

The following conventions are used in this document:

bold

is used for user input that you type just as it appears. Bold is also used for

commands, options and arguments to commands, and names of programs,

directories, and files.

italic

is used for names of variables to which you assign values. Italic is also used

for comments in screen displays and examples.

courier

is used for system output (e.g., screen displays, reports), examples, and

system prompts.

Return or ‘the Return key’

represents the Enter, Return, or Carriage Return key.

CTRL

represents the Control key. Execute control characters by pressing the

CTRL key and the letter simultaneously, e.g., CTRL-d.

|

Separates two or more items that you can select from (one only).

[ ]

encloses an optional item that may occur zero or one time.

{ }

encloses an optional item that may occur zero or more times.

A character precedes a data or address parameter to specify the numeric format, 

as follows (if not specified, the format is hexadecimal):

$ dollar a hexadecimal character. 

0x Zero-x

% percent a binary number.

& ampersand a decimal number.

Safety Summary

Safety Depends On You

The following general safety precautions must be observed during all phases of operation, service, and

repair of this equipment. Failure to comply with these precautions or with specific warnings elsewhere in

this manual violates safety standards of design, manufacture, and intended use of the equipment.

Motorola, Inc. assumes no liability for the customer's failure to comply with these requirements. 

The safety precautions listed below represent warnings of certain dangers of which Motorola is aware. You,

as the user of the product, should follow these warnings and all other safety precautions necessary for the

safe operation of the equipment in your operating environment.