Altera Nios II Custom Manual do Utilizador Página 1

101 Innovation DriveSan Jose, CA 95134www.altera.com UG-N2CSTNST-2.0 User GuideNios II Custom InstructionSubscribeNios II Custom Instruction User Gui

1–6 Chapter 1: Nios II Custom Instruction OverviewCustom Instruction TypesNios II Custom Instruction User Guide January 2011 Altera CorporationFigure

Chapter 1: Nios II Custom Instruction Overview 1–7Custom Instruction TypesJanuary 2011 Altera Corporation Nios II Custom Instruction User GuideFigure

1–8 Chapter 1: Nios II Custom Instruction OverviewCustom Instruction TypesNios II Custom Instruction User Guide January 2011 Altera CorporationFigure

Chapter 1: Nios II Custom Instruction Overview 1–9Custom Instruction TypesJanuary 2011 Altera Corporation Nios II Custom Instruction User GuideInterna

1–10 Chapter 1: Nios II Custom Instruction OverviewCustom Instruction TypesNios II Custom Instruction User Guide January 2011 Altera CorporationWhen w

Chapter 1: Nios II Custom Instruction Overview 1–11Custom Instruction TypesJanuary 2011 Altera Corporation Nios II Custom Instruction User GuideCustom

1–12 Chapter 1: Nios II Custom Instruction OverviewCustom Instruction TypesNios II Custom Instruction User Guide January 2011 Altera Corporation

January 2011 Altera Corporation Nios II Custom Instruction User Guide2. Software InterfaceThe Nios II custom instruction software interface abstracts

2–2 Chapter 2: Software InterfaceBuilt-in Functions and User-defined MacrosNios II Custom Instruction User Guide January 2011 Altera CorporationExampl

Chapter 2: Software Interface 2–3Custom Instruction Assembly Software InterfaceJanuary 2011 Altera Corporation Nios II Custom Instruction User GuideEx

Nios II Custom Instruction User Guide January 2011 Altera Corporation© 2011 Altera Corporation. All rights reserved. ALTERA, ARRIA, CYCLONE, HARDCOPY,

2–4 Chapter 2: Software InterfaceCustom Instruction Assembly Software InterfaceNios II Custom Instruction User Guide January 2011 Altera CorporationFi

Chapter 2: Software Interface 2–5Custom Instruction Assembly Software InterfaceJanuary 2011 Altera Corporation Nios II Custom Instruction User GuideEx

2–6 Chapter 2: Software InterfaceCustom Instruction Assembly Software InterfaceNios II Custom Instruction User Guide January 2011 Altera Corporation

January 2011 Altera Corporation Nios II Custom Instruction User Guide3. Implementing a Nios II CustomInstruction in SOPC BuilderThis chapter describes

3–2 Chapter 3: Implementing a Nios II Custom Instruction in SOPC BuilderImplementing Custom Instruction Hardware in SOPC BuilderNios II Custom Instruc

Chapter 3: Implementing a Nios II Custom Instruction in SOPC Builder 3–3Implementing Custom Instruction Hardware in SOPC BuilderJanuary 2011 Altera Co

3–4 Chapter 3: Implementing a Nios II Custom Instruction in SOPC BuilderImplementing Custom Instruction Hardware in SOPC BuilderNios II Custom Instruc

Chapter 3: Implementing a Nios II Custom Instruction in SOPC Builder 3–5Implementing Custom Instruction Hardware in SOPC BuilderJanuary 2011 Altera Co

3–6 Chapter 3: Implementing a Nios II Custom Instruction in SOPC BuilderAccessing the Custom Instruction from SoftwareNios II Custom Instruction User

Chapter 3: Implementing a Nios II Custom Instruction in SOPC Builder 3–7Accessing the Custom Instruction from SoftwareJanuary 2011 Altera Corporation

January 2011 Altera Corporation Nios II Custom Instruction User GuideContentsChapter 1. Nios II Custom Instruction OverviewCustom Instruction Overview

3–8 Chapter 3: Implementing a Nios II Custom Instruction in SOPC BuilderUsing the User-defined Custom Instruction MacroNios II Custom Instruction User

January 2011 Altera Corporation Nios II Custom Instruction User Guide4. Implementing a Nios II CustomInstruction in QsysThis chapter describes the pro

4–2 Chapter 4: Implementing a Nios II Custom Instruction in QsysImplementing Custom Instruction Hardware in QsysNios II Custom Instruction User Guide

Chapter 4: Implementing a Nios II Custom Instruction in Qsys 4–3Implementing Custom Instruction Hardware in QsysJanuary 2011 Altera Corporation Nios I

4–4 Chapter 4: Implementing a Nios II Custom Instruction in QsysImplementing Custom Instruction Hardware in QsysNios II Custom Instruction User Guide

Chapter 4: Implementing a Nios II Custom Instruction in Qsys 4–5Accessing the Custom Instruction from SoftwareJanuary 2011 Altera Corporation Nios II

4–6 Chapter 4: Implementing a Nios II Custom Instruction in QsysAccessing the Custom Instruction from SoftwareNios II Custom Instruction User Guide Ja

Chapter 4: Implementing a Nios II Custom Instruction in Qsys 4–7Accessing the Custom Instruction from SoftwareJanuary 2011 Altera Corporation Nios II

4–8 Chapter 4: Implementing a Nios II Custom Instruction in QsysUsing the User-defined Custom Instruction MacroNios II Custom Instruction User Guide J

January 2011 Altera Corporation Nios II Custom Instruction User GuideA. Custom Instruction TemplatesThis appendix provides VHDL and Verilog HDL custom

iv ContentsNios II Custom Instruction User Guide January 2011 Altera CorporationAppendix B. Custom Instruction Built-in FunctionsBuilt-in Functions th

A–2 Appendix A: Custom Instruction TemplatesVHDL Custom Instruction TemplateNios II Custom Instruction User Guide January 2011 Altera CorporationVHDL

Appendix A: Custom Instruction Templates A–3Verilog HDL Custom Instruction Template ExampleJanuary 2011 Altera Corporation Nios II Custom Instruction

A–4 Appendix A: Custom Instruction TemplatesVerilog HDL Custom Instruction Template ExampleNios II Custom Instruction User Guide January 2011 Altera C

January 2011 Altera Corporation Nios II Custom Instruction User GuideB. Custom Instruction Built-in FunctionsThe Nios II gcc compiler, nios2-elf-gcc,

B–2 Appendix B: Custom Instruction Built-in FunctionsBuilt-in Functions that Return a Value of Type FloatNios II Custom Instruction User Guide January

Appendix B: Custom Instruction Built-in Functions B–3Built-in Functions that Return a Pointer ValueJanuary 2011 Altera Corporation Nios II Custom Inst

B–4 Appendix B: Custom Instruction Built-in FunctionsBuilt-in Functions that Return a Pointer ValueNios II Custom Instruction User Guide January 2011

January 2011 Altera Corporation Nios II Custom Instruction User GuideC. Floating Point Custom InstructionsIf you add a floating point custom instructi

C–2 Appendix C: Floating Point Custom InstructionsNios II Custom Instruction User Guide January 2011 Altera Corporation

January 2011 Altera Corporation Nios II Custom Instruction User GuideAdditional InformationThis chapter provides additional information about the docu

January 2011 Altera Corporation Nios II Custom Instruction User Guide1. Nios II Custom Instruction OverviewWhen you design a system that includes an A

Info–2 Additional InformationTypographic ConventionsNios II Custom Instruction User Guide January 2011 Altera CorporationTypographic ConventionsThe fo

1–2 Chapter 1: Nios II Custom Instruction OverviewCustom Instruction OverviewNios II Custom Instruction User Guide January 2011 Altera CorporationCust

Chapter 1: Nios II Custom Instruction Overview 1–3Custom Instruction TypesJanuary 2011 Altera Corporation Nios II Custom Instruction User GuideImpleme

1–4 Chapter 1: Nios II Custom Instruction OverviewCustom Instruction TypesNios II Custom Instruction User Guide January 2011 Altera CorporationThe fol

Chapter 1: Nios II Custom Instruction Overview 1–5Custom Instruction TypesJanuary 2011 Altera Corporation Nios II Custom Instruction User GuideTable 1