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@c  COPYRIGHT (c) 1988-2002.

@c  On-Line Applications Research Corporation (OAR).

@c  All rights reserved.

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@c  preface.texi,v 1.5 2002/01/17 21:47:46 joel Exp

@c

@ifinfo

@node Preface, CPU Model Dependent Features, Top, Top

@end ifinfo

@unnumbered Preface

The Real Time Executive for Multiprocessor Systems

(RTEMS) is designed to be portable across multiple processor

architectures.  However, the nature of real-time systems makes

it essential that the application designer understand certain

processor dependent implementation details.  These processor

dependencies include calling convention, board support package

issues, interrupt processing, exact RTEMS memory requirements,

performance data, header files, and the assembly language

interface to the executive.

For information on the PA-RISC V1.1 architecture in

general, refer to the following documents:

@itemize @bullet

@item @cite{PA-RISC 1.1 Architecture and Instruction Set Reference

Manual, Third Edition.  HP Part Number 09740-90039}.

@end itemize

It is highly recommended that the PA-RISC RTEMS

application developer also obtain and become familiar with the

Technical Reference Manual for the particular implementation of

the PA-RISC being used.