ARM Cortex R4F User Manual

Page 5

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Contents

ARM DDI 0363E

Copyright © 2009 ARM Limited. All rights reserved.

v

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Non-Confidential, Unrestricted Access

11.4

Debug register descriptions ................................................................................. 11-10

11.5

Management registers ......................................................................................... 11-32

11.6

Debug events ....................................................................................................... 11-39

11.7

Debug exception .................................................................................................. 11-41

11.8

Debug state ......................................................................................................... 11-44

11.9

Cache debug ....................................................................................................... 11-50

11.10

External debug interface ...................................................................................... 11-51

11.11

Using the debug functionality ............................................................................... 11-54

11.12

Debugging systems with energy management capabilities ................................. 11-71

Chapter 12

FPU Programmer’s Model

12.1

About the FPU programmer’s model ..................................................................... 12-2

12.2

General-purpose registers ..................................................................................... 12-3

12.3

System registers .................................................................................................... 12-4

12.4

Modes of operation .............................................................................................. 12-10

12.5

Compliance with the IEEE 754 standard ............................................................. 12-11

Chapter 13

Integration Test Registers

13.1

About Integration Test Registers ........................................................................... 13-2

13.2

Programming and reading Integration Test Registers ........................................... 13-3

13.3

Summary of the processor registers used for integration testing .......................... 13-4

13.4

Processor integration testing ................................................................................. 13-5

Chapter 14

Cycle Timings and Interlock Behavior

14.1

About cycle timings and interlock behavior ............................................................ 14-3

14.2

Register interlock examples ................................................................................... 14-6

14.3

Data processing instructions .................................................................................. 14-7

14.4

QADD, QDADD, QSUB, and QDSUB instructions ................................................ 14-9

14.5

Media data-processing ........................................................................................ 14-10

14.6

Sum of Absolute Differences (SAD) .................................................................... 14-11

14.7

Multiplies .............................................................................................................. 14-12

14.8

Divide ................................................................................................................... 14-14

14.9

Branches .............................................................................................................. 14-15

14.10

Processor state updating instructions .................................................................. 14-16

14.11

Single load and store instructions ........................................................................ 14-17

14.12

Load and Store Double instructions ..................................................................... 14-20

14.13

Load and Store Multiple instructions .................................................................... 14-21

14.14

RFE and SRS instructions ................................................................................... 14-24

14.15

Synchronization instructions ................................................................................ 14-25

14.16

Coprocessor instructions ..................................................................................... 14-26

14.17

SVC, BKPT, Undefined, and Prefetch Aborted instructions ................................ 14-27

14.18

Miscellaneous instructions ................................................................................... 14-28

14.19

Floating-point register transfer instructions .......................................................... 14-29

14.20

Floating-point load/store instructions ................................................................... 14-30

14.21

Floating-point single-precision data processing instructions ............................... 14-32

14.22

Floating-point double-precision data processing instructions .............................. 14-33

14.23

Dual issue ............................................................................................................ 14-34

Chapter 15

AC Characteristics

15.1

Processor timing .................................................................................................... 15-2

15.2

Processor timing parameters ................................................................................. 15-3

Appendix A

Processor Signal Descriptions

A.1

About the processor signal descriptions .................................................................. A-2

A.2

Global signals .......................................................................................................... A-3

A.3

Configuration signals ............................................................................................... A-4

A.4

Interrupt signals, including VIC interface signals ..................................................... A-7

A.5

L2 interface signals .................................................................................................. A-8

A.6

TCM interface signals ............................................................................................ A-13

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