Cortex-A8 R2P2.pdf - ARM Information Center

Chapter 2Programmer’s ModelThis chapter describes the processor registers and provides information forprogramming the microprocessor. It contains the following sections:• About the programmer’s model on page 2-3• Thumb-2 instruction set on page 2-4• ThumbEE instruction set on page 2-6• Jazelle Extension on page 2-10• Security Extensions architecture on page 2-13• Advanced SIMD architecture on page 2-15• VFPv3 architecture on page 2-16• Processor operating states on page 2-17• Data types on page 2-18• Memory formats on page 2-19• Addresses in a processor system on page 2-21• Operating modes on page 2-22• Registers on page 2-23• The program status registers on page 2-27• Exceptions on page 2-35• Software consideration for Security Extensions on page 2-44ARM DDI 0344E Copyright © 2006-2008 ARM Limited. All rights reserved. 2-1