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PPCBug Overview
The PPCBug firmware is the layer of software just above the hardware.
The firmware provides the proper initialization for the devices on the
MCP750HA baseboard upon power-up or reset.
This chapter provides information on the PPCBug and its architecture.
Additionally, it describes the monitor (interactive command portion of the
firmware), and provides instructions on using the PPCBug debugger and
the associated special commands. A complete list of PPCBug commands
is also included in this chapter.
Chapter 6, CNFG and ENV
CNFG and ENV commands, system calls, and other advanced user topics.
For additional information about the PPCBug, refer to the PPCBug
Firmware Package User's Manual, the PPCBug Diagnostics Manual, and
the CPX750 High Availability PPCBug Firmware User's Manual . Each
of these manuals is listed in
PPCBug Basics
The PowerPC debug firmware (PPCBug) is a powerful evaluation and
debugging tool for systems built around the Motorola PowerPC
microcomputers. Facilities are available for loading and executing user
programs under complete operator control for system evaluation.
The PPCBug provides a high degree of functionality, user friendliness,
portability, and ease of maintenance.
It is portable and easy to understand because it was written entirely in the
C programming language, except where necessary to use assembler
functions.
The PPCBug includes commands for:
5PPCBug
Commands, contains information about the
Appendix C, Related
5
Documentation.
5-1
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