ARM VERSION 1.2 manuali

Arm VERSION 1.2 Manuale Utente (360 pagine)

Marchio: Arm | Categoria: Hardware | Dimensione: 2.29 MB |

Inglese

Indice

Developer Suite

1

ARM Developer Suite

2

Contents

3

• About this book on page vi

5

• Feedback on page ix

5

About this book

6

Feedback

9

Preface

10

Introduction

11

Chapter 1

11

Chapter 2

13

2.1 Introduction

14

MOV pc,lr

17

Example 2-1

27

Example 2-2

29

Example 2-3

30

2.4 Using the C preprocessor

31

2.5 Conditional execution

32

CMP r0, r1

35

SUBGT r0, r0, r1

35

SUBLT r1, r1, r0

35

BNE gcd

35

Example 2-5

40

pseudo-instructions

41

, where the

42

Example 2-6

43

Example 2-9

47

Example 2-10 String copy

49

-checkreglist

51

STMFD (STMDB) LDMFD (LDMIA)

54

STMFA (STMIB) LDMFA (LDMDA)

54

STMED (STMDA) LDMED (LDMIB)

54

STMEA (STMIA) LDMEA (LDMDB)

54

; code

55

Example 2-11 Block copy

56

Example 2-12

57

Example 2-13

59

2.9 Using macros

60

Example 2-14

61

Example 2-15

62

Example 2-16

64

Example 2-17

65

Example 2-18

66

Example 2-19

67

Example 2-20

68

Example 2-21

69

Example 2-22

72

Example 2-23

72

Example 2-24

73

Example 2-25

74

Example 2-26

75

Example 2-27

76

2.11 Using frame directives

78

Chapter 3

79

3.1 Command syntax

80

-via file

85

3.2 Format of source lines

86

3.4 Built-in variables

88

3.5 Symbols

90

Assembler Reference

100

3.6.10 Unary operators

104

Table 3-10 Boolean operators

109

Operator Usage Explanation

109

Logical AND of A and B

109

Logical OR of A and B

109

Chapter 4

111

ARM Instruction Reference

111

4.1 Conditional execution

114

Figure 4-1 ROR

135

Figure 4-2 RRX

136

Architectures

145

Examples

145

Incorrect example

145

4.4 ARM multiply instructions

149

Incorrect examples

151

4.6 ARM branch instructions

167

SWI{cond} immed_24

182

SWI 0x123456

182

MSR CPSR_f, r5

185

4.9 ARM pseudo-instructions

188

MOV r0, r0

194

Chapter 5

195

Thumb Instruction Reference

195

PUSH {reglist}

205

POP {reglist}

205

PUSH {reglist, lr}

205

POP {reglist, pc}

205

5.4 Thumb branch instructions

225

BL label

228

BL extract

228

SWI immed_8

231

SWI 12

231

5.6 Thumb pseudo-instructions

233

MOV r8,r8

237

Chapter 6

239

6.2 Floating-point registers

243

6.4 VFP and condition codes

246

6.5 VFP system registers

248

6.6 Flush-to-zero mode

251

6.7 VFP instructions

253

FSTS s2, [r5]

262

FLDS s9, fpconst

262

FNMSCSLE s6, s0, s26

266

6.8 VFP pseudo-instruction

276

Chapter 7

283

Directives Reference

283

Example 7-1

287

Example 7-2

287

WHILE...WEND

308

IF...ELSE...ENDIF

308

7.6 Reporting directives

326

7.7 Miscellaneous directives

331

Glossary

351

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