ii Copyright © 1996-1998, 2000, 2004-2008 ARM Limited. All rights reserved. ARM DDI 0406B
ARM Architecture Reference Manual
ARMv7-A and ARMv7-R edition
Copyright © 1996-1998, 2000, 2004-2008 ARM Limited. All rights reserved.
Release Information
The following changes have been made to this document.
From ARMv7, the ARM
®
architecture defines different architectural profiles and this edition of this manual describes
only the A and R profiles. For details of the documentation of the ARMv7-M profile see Further reading on page xx.
Before ARMv7 there was only a single ARM Architecture Reference Manual, with document number DDI 0100. The first
issue of this was in February 1996, and the final issue, Issue I, was in July 2005. For more information see Further reading
on page xx.
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Change History
Date Issue Confidentiality Change
05 April 2007 A Non-Confidential New edition for ARMv7-A and ARMv7-R architecture profiles.
Document number changed from ARM DDI 0100 to ARM DDI 0406 and contents
restructured.
29 April 2008 B Non-Confidential Addition of the VFP Half-precision and Multiprocessing Extensions, and many clarifications
and enhancements.
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