ii Copyright © 1996-1998, 2000, 2004-2012, 2014, 2018 ARM Limited. All rights reserved. ARM DDI 0406C.d
Non-Confidential ID040418
ARM Architecture Reference Manual
ARMv7-A and ARMv7-R edition
Copyright © 1996-1998, 2000, 2004-2012, 2014, 2018 ARM Limited. All rights reserved.
Release Information
The following changes have been made to this document.
Note that issue C.a, the first publication of issue C of this manual, was originally identified as issue C.
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 Additional reading on page xxiii. 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 Additional reading on page xxiii.
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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.
23 November 2011 C (C.a) Non-Confidential Addition of the Virtualization Extensions, Large Physical Address Extension, Generic Timer Extension, and other
additions. Many other clarifications and enhancements.
24 July 2012 C.b Non-Confidential Errata release for issue C.a.
20 May 2014 C.c Non-Confidential Second errata release for issue C.a.
29 March 2018 C.d Non-Confidential Addition of CSDB instruction and some defect fixes.
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