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VERSION 1.2
Manual de usuario
Arm VERSION 1.2 Manual de usuario Pagina 10
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Pr
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C
op
yrigh
t ©
2
000,
20
01 A
RM L
im
ited
. A
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rig
hts r
es
erv
ed.
ARM
DU
I
0068
B
1
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5
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359
360
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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