Copyright © 2000, 2001 ARM Limited. All rights reserved.
ARM DUI 0068B
ARM
®
Developer Suite
Version 1.2
Assembler Guide
ii Copyright © 2000, 2001 ARM Limited. All rights reserved. ARM DUI 0068B
ARM Developer Suite
Assembler Guide
Copyright © 2000, 2001 ARM Limited. All rights reserved.
Release Information
The following changes have been made to this book.
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Change History
Date Issue Change
November 2000 A Release 1.1
November 2001 B Release 1.2
ARM DUI 0068B Copyright © 2000, 2001 ARM Limited. All rights reserved. iii
Contents
ARM Developer Suite Assembler Guide
Preface
About this book .............................................................................................. vi
Feedback ....................................................................................................... ix
Chapter 1 Introduction
1.1 About the ARM Developer Suite assemblers .............................................. 1-2
Chapter 2 Writing ARM and Thumb Assembly Language
2.1 Introduction ................................................................................................. 2-2
2.2 Overview of the ARM architecture .............................................................. 2-3
2.3 Structure of assembly language modules ................................................. 2-12
2.4 Using the C preprocessor ......................................................................... 2-19
2.5 Conditional execution ................................................................................ 2-20
2.6 Loading constants into registers ............................................................... 2-25
2.7 Loading addresses into registers .............................................................. 2-30
2.8 Load and store multiple register instructions ............................................. 2-39
2.9 Using macros ............................................................................................ 2-48
2.10 Describing data structures with MAP and FIELD directives ...................... 2-51
2.11 Using frame directives ............................................................................... 2-66
Chapter 3 Assembler Reference
3.1 Command syntax ........................................................................................ 3-2
Contents
iv Copyright © 2000, 2001 ARM Limited. All rights reserved. ARM DUI 0068B
3.2 Format of source lines ................................................................................ 3-8
3.3 Predefined register and coprocessor names .............................................. 3-9
3.4 Built-in variables ....................................................................................... 3-10
3.5 Symbols .................................................................................................... 3-12
3.6 Expressions, literals, and operators ......................................................... 3-18
Chapter 4 ARM Instruction Reference
4.1 Conditional execution ................................................................................. 4-4
4.2 ARM memory access instructions .............................................................. 4-6
4.3 ARM general data processing instructions ............................................... 4-23
4.4 ARM multiply instructions ......................................................................... 4-39
4.5 ARM saturating arithmetic instructions ..................................................... 4-54
4.6 ARM branch instructions .......................................................................... 4-56
4.7 ARM coprocessor instructions .................................................................. 4-61
4.8 Miscellaneous ARM instructions ............................................................... 4-70
4.9 ARM pseudo-instructions ......................................................................... 4-76
Chapter 5 Thumb Instruction Reference
5.1 Thumb memory access instructions ........................................................... 5-4
5.2 Thumb arithmetic instructions ................................................................... 5-15
5.3 Thumb general data processing instructions ............................................ 5-22
5.4 Thumb branch instructions ....................................................................... 5-31
5.5 Thumb software interrupt and breakpoint instructions .............................. 5-37
5.6 Thumb pseudo-instructions ...................................................................... 5-39
Chapter 6 Vector Floating-point Programming
6.1 The vector floating-point coprocessor ........................................................ 6-4
6.2 Floating-point registers ............................................................................... 6-5
6.3 Vector and scalar operations ..................................................................... 6-7
6.4 VFP and condition codes ............................................................................ 6-8
6.5 VFP system registers ............................................................................... 6-10
6.6 Flush-to-zero mode .................................................................................. 6-13
6.7 VFP instructions ....................................................................................... 6-15
6.8 VFP pseudo-instruction ............................................................................ 6-36
6.9 VFP directives and vector notation ........................................................... 6-37
Chapter 7 Directives Reference
7.1 Alphabetical list of directives ...................................................................... 7-2
7.2 Symbol definition directives ........................................................................ 7-3
7.3 Data definition directives .......................................................................... 7-13
7.4 Assembly control directives ...................................................................... 7-26
7.5 Frame description directives ..................................................................... 7-33
7.6 Reporting directives .................................................................................. 7-44
7.7 Miscellaneous directives ........................................................................... 7-49
Glossary
