ii Copyright © 2018-2022 Arm Limited (or its affiliates). All rights reserved. DDI 0601
Non-Confidential ID121622
Arm
®
Architecture Registers
A-profile architecture
Copyright © 2018-2022 Arm Limited (or its affiliates). All rights reserved.
Release Information
For information on the change history and known issues for this release, see the Release notes in the System Register XML for
A-profile architecture (2022-12).
Proprietary Notice
This document is protected by copyright and other related rights and the practice or implementation of the information contained
in this document may be protected by one or more patents or pending patent applications. No part of this document may be
reproduced in any form by any means without the express prior written permission of Arm. No license, express or implied, by
estoppel or otherwise to any intellectual property rights is granted by this document unless specifically stated.
Your access to the information in this document is conditional upon your acceptance that you will not use or permit others to use
the information for the purposes of determining whether implementations infringe any third party patents.
THIS DOCUMENT IS PROVIDED “AS IS”. ARM PROVIDES NO REPRESENTATIONS AND NO WARRANTIES,
EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTABILITY, SATISFACTORY QUALITY, NON-INFRINGEMENT OR FITNESS FOR A PARTICULAR
PURPOSE WITH RESPECT TO THE DOCUMENT. For the avoidance of doubt, Arm makes no representation with respect to,
and has undertaken no analysis to identify or understand the scope and content of, patents, copyrights, trade secrets, or other rights.
This document may include technical inaccuracies or typographical errors.
TO THE EXTENT NOT PROHIBITED BY LAW, IN NO EVENT WILL ARM BE LIABLE FOR ANY DAMAGES,
INCLUDING WITHOUT LIMITATION ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE, OR
CONSEQUENTIAL DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING
OUT OF ANY USE OF THIS DOCUMENT, EVEN IF ARM HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
This document consists solely of commercial items. You shall be responsible for ensuring that any use, duplication or disclosure
of this document complies fully with any relevant export laws and regulations to assure that this document or any portion thereof
is not exported, directly or indirectly, in violation of such export laws. Use of the word “partner” in reference to Arm’s customers
is not intended to create or refer to any partnership relationship with any other company. Arm may make changes to this document
at any time and without notice.
This document may be translated into other languages for convenience, and you agree that if there is any conflict between the
English version of this document and any translation, the terms of the English version of the Agreement shall prevail.
The Arm corporate logo and words marked with ® or ™ are registered trademarks or trademarks of Arm Limited (or its affiliates)
in the US and/or elsewhere. All rights reserved. Other brands and names mentioned in this document may be the trademarks of
their respective owners. You must follow the Arm’s trademark usage guidelines
http://www.arm.com/company/policies/trademarks.
Copyright © 2018-2022 Arm Limited (or its affiliates). All rights reserved.
Arm Limited. Company 02557590 registered in England.
110 Fulbourn Road, Cambridge, England CB1 9NJ.
LES-PRE-20349 version 21.0
Confidentiality Status
This document is Non-Confidential. The right to use, copy and disclose this document may be subject to license restrictions in
accordance with the terms of the agreement entered into by Arm and the party that Arm delivered this document to.
