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ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

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Appendix H<br />

<strong>ARM</strong>v4 <strong>and</strong> <strong>ARM</strong>v5 Differences<br />

This appendix describes how the <strong>ARM</strong>v4 <strong>and</strong> <strong>ARM</strong>v5 architectures differ from the <strong>ARM</strong>v6 <strong>and</strong> <strong>ARM</strong>v7<br />

architectures. It contains the following sections:<br />

Introduction to <strong>ARM</strong>v4 <strong>and</strong> <strong>ARM</strong>v5 on page AppxH-2<br />

Application level register support on page AppxH-4<br />

Application level memory support on page AppxH-6<br />

Instruction set support on page AppxH-11<br />

System level register support on page AppxH-18<br />

System level memory model on page AppxH-21<br />

System Control coprocessor (CP15) support on page AppxH-31.<br />

Note<br />

In this appendix, the description <strong>ARM</strong>vN refers to all architecture variants of <strong>ARM</strong> architecture vN. For<br />

example, <strong>ARM</strong>v4 refers to all architecture variants of <strong>ARM</strong>v4, including <strong>ARM</strong>v4 <strong>and</strong> <strong>ARM</strong>v4T.<br />

<strong>ARM</strong> DDI 0406B Copyright © 1996-1998, 2000, 2004-2008 <strong>ARM</strong> Limited. All rights reserved. AppxH-1

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