ARM Cortex-A15 MPCore Processor Technical Reference Manual

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PrefaceARM publicationsThis book contains information that is specific to this product. See the following documents forother relevant information:• ARM ® Cortex ® -A15 MPCore Processor Configuration and Sign-off Guide(ARM DII 0219).• ARM ® AMBA ® AXI and ACE Protocol Specification AXI3 , AXI4 , and AXI4-Lite ,ACE and ACE-Lite (ARM IHI 0022).• ARM ® AMBA ® APB Protocol Specification (ARM IHI 0024).• ARM ® AMBA ® 3 ATB Protocol Specification (ARM IHI 0032).• ARM ® Architecture Reference Manual ARMv7-A and ARMv7-R edition(ARM DDI 0406).• ARM ® Generic Interrupt Controller Architecture Specification (ARM IHI 0048).• ARM ® CoreSight Architecture Specification (ARM IHI 0029).• ARM ® CoreSight Program Flow Trace Architecture Specification (ARM IHI 0035).Other publicationsThis section lists relevant documents published by third parties:• ANSI/IEEE Std 754-1985, IEEE Standard for Binary Floating-Point Arithmetic.• ANSI/IEEE Std 754-2008, IEEE Standard for Binary Floating-Point Arithmetic.ARM DDI 0438I Copyright © 2011-2013 ARM. All rights reserved. xID062913Non-Confidential
PrefaceFeedbackARM welcomes feedback on this product and its documentation.Feedback on this productIf you have any comments or suggestions about this product, contact your supplier and give:• The product name.• The product revision or version.• An explanation with as much information as you can provide. Include symptoms anddiagnostic procedures if appropriate.Feedback on contentIf you have any comments on content then send an email to errata@arm.com. Give:• The title.• The number, ARM DDI 0438I.• The page numbers to which your comments apply.• A concise explanation of your comments.ARM also welcomes general suggestions for additions and improvements.NoteARM tests the PDF only in Adobe Acrobat and Acrobat Reader, and cannot guarantee thequality of the represented document when used with any other PDF reader.ARM DDI 0438I Copyright © 2011-2013 ARM. All rights reserved. xiID062913Non-Confidential
Page 1 and 2: ®ARM®Cortex -A15 MPCoreProcessorR
Page 3 and 4: ContentsARM Cortex-A15 MPCore Proce
Page 5 and 6: Contents11.4 PMU register descripti
Page 7 and 8: PrefaceAbout this bookThis book is
Page 9: Preface(continued)Stylemonospace bo
Page 13 and 14: Introduction1.1 About the Cortex-A1
Page 15 and 16: Introduction1.2.3 Debug architectur
Page 17 and 18: Introduction1.4 InterfacesThe proce
Page 19 and 20: Introduction• The L2 tag RAM regi
Page 21 and 22: IntroductionThe ARM product deliver
Page 23 and 24: Introduction1.7.5 r1p0 - r2p0The fo
Page 25 and 26: Introduction• Added L1 data TLB s
Page 27 and 28: Functional Description2.1 About the
Page 29 and 30: Functional DescriptionLoad/Store un
Page 31 and 32: Functional Description2.2 Interface
Page 33 and 34: Functional Description2.3 Clocking
Page 35 and 36: Functional DescriptionFigure 2-5 sh
Page 37: Functional DescriptionAll resets ar
Page 41 and 42: Functional DescriptionPowerup reset
Page 43 and 44: Functional Description• nPRESETDB
Page 45 and 46: Functional Description• L2 unifie
Page 47 and 48: Functional DescriptionOn entry into
Page 49 and 50: Functional DescriptionWhen the proc
Page 51 and 52: Functional DescriptionNoteFigure 2-
Page 53 and 54: Functional DescriptionRegional cloc
Page 55 and 56: Functional DescriptionTable 2-3 Val
Page 57 and 58: Functional Description4. Release th
Page 59 and 60: Functional DescriptionDebug power d
Page 61 and 62:
Functional DescriptionNoteAfter a p
Page 63 and 64:
Functional DescriptionThe external
Page 65 and 66:
Programmers Model3.1 About the prog
Page 67 and 68:
Programmers Model3.3 Advanced SIMD
Page 69 and 70:
Programmers ModelYou can use the CP
Page 71 and 72:
Programmers Model3.6 Large Physical
Page 73 and 74:
Programmers Model3.8 Modes of opera
Page 75 and 76:
Chapter 4System ControlThis chapter
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System Control4.2 Register summaryT
Page 79 and 80:
System ControlOp1 CRm Op2 Name Rese
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System ControlTable 4-6 c5 register
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System ControlTable 4-8 c7 register
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System ControlTable 4-10 c9 registe
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System Control4.2.14 c15 registersT
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System ControlName CRn Op1 CRm Op2
Page 91 and 92:
System Control4.2.19 Other system c
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Page 95 and 96:
System Control4.2.24 Performance mo
Page 97 and 98:
System Control4.2.26 Virtualization
Page 99 and 100:
Page 101 and 102:
System Control4.3 Register descript
Page 103 and 104:
System ControlTo access the CTR, re
Page 106 and 107:
System ControlTable 4-34 shows the
Page 108 and 109:
Page 110 and 111:
System Control4.3.12 Memory Model F
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Page 114 and 115:
System ControlTable 4-40 ID_MMFR3 b
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System Control31 28 27 24 23 20 19
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System ControlTable 4-43 ID_ISAR2 b
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Page 122 and 123:
Page 124 and 125:
Page 126 and 127:
System ControlConfigurationsAvailab
Page 128 and 129:
System ControlMCR p15, 4, , c0, c0,
Page 130 and 131:
System ControlTable 4-52 SCTLR bit
Page 132 and 133:
System Control31 30 29 28 27 26 25
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System ControlTable 4-53 ACTLR bit
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System ControlTable 4-53 ACTLR bit
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System ControlUsage constraints The
Page 140 and 141:
System Control• The L2 internal a
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System Control31 30 29 28 27 26 25
Page 144 and 145:
Page 146 and 147:
System ControlUsage constraints The
Page 148 and 149:
System ControlTable 4-59 HCPTR bit
Page 150 and 151:
Page 152 and 153:
System ControlTable 4-61 DFSR bit a
Page 154 and 155:
System ControlTable 4-63 IFSR bit a
Page 156 and 157:
System ControlConfigurationsAvailab
Page 158 and 159:
System Control• UNKNOWN when exec
Page 160 and 161:
System Control31 30 26 25 24 23 22
Page 162 and 163:
System Control• Only accessible f
Page 164 and 165:
System Control31 0DataFigure 4-40 I
Page 166 and 167:
Page 168 and 169:
System ControlThe data returned fro
Page 170 and 171:
System ControlThe data returned fro
Page 172 and 173:
System Control31 24 23 21 20 19 18
Page 174 and 175:
System Control4.3.60 L2 Auxiliary C
Page 176 and 177:
System ControlTable 4-74 L2ACTLR bi
Page 178 and 179:
System Control• Is only accessibl
Page 180 and 181:
Page 182 and 183:
Page 184 and 185:
System ControlTable 4-79 L2MERRSR b
Page 186 and 187:
Memory Management Unit5.1 About the
Page 188 and 189:
Memory Management Unit5.3 TLB match
Page 190 and 191:
Memory Management Unit• The TLB t
Page 192 and 193:
Memory Management Unit5.6 Intermedi
Page 194 and 195:
Memory Management Unit5.7 External
Page 196 and 197:
Level 1 Memory System6.1 About the
Page 198 and 199:
Level 1 Memory System6.3 L1 instruc
Page 200 and 201:
Level 1 Memory System6.4 L1 data me
Page 202 and 203:
Level 1 Memory SystemL1 or L2 cache
Page 204 and 205:
Level 1 Memory SystemExternal globa
Page 206 and 207:
Level 1 Memory System6.5 Program fl
Page 208 and 209:
Level 1 Memory SystemReset:• Disa
Page 210 and 211:
Chapter 7Level 2 Memory SystemThis
Page 212 and 213:
Level 2 Memory System7.2 Cache orga
Page 214 and 215:
Level 2 Memory System7.2.5 Register
Page 216 and 217:
Level 2 Memory SystemNote• The L2
Page 218 and 219:
Level 2 Memory System7.4 L2 cache p
Page 220 and 221:
Level 2 Memory System7.6 Asynchrono
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Level 2 Memory SystemFor certain tr
Page 224 and 225:
Level 2 Memory System7.7.6 Snoop fi
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Level 2 Memory SystemTable 7-6 show
Page 228 and 229:
Chapter 8Generic Interrupt Controll
Page 230 and 231:
Generic Interrupt Controller8.2 GIC
Page 232 and 233:
Generic Interrupt Controller8.2.4 I
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Generic Interrupt Controller8.3 GIC
Page 236 and 237:
Generic Interrupt ControllerOffset
Page 238 and 239:
Generic Interrupt ControllerTable 8
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Generic Interrupt ControllerPrivate
Page 242 and 243:
Generic Interrupt Controller0x1D043
Page 244 and 245:
Generic Interrupt ControllerThe Cor
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Generic Interrupt ControllerTable 8
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Generic Interrupt Controller8.3.8 V
Page 250 and 251:
Generic Timer9.1 About the Generic
Page 252 and 253:
Generic Timer9.3 Generic Timer prog
Page 254 and 255:
Chapter 10DebugThis chapter describ
Page 256 and 257:
Debug• Operating systems.• Hard
Page 258 and 259:
DebugnPRESETDBGThis signal initiali
Page 260 and 261:
DebugTable 10-1 CP14 debug register
Page 262 and 263:
DebugTable 10-1 CP14 debug register
Page 264 and 265:
DebugTable 10-2 DBGDIDR bit assignm
Page 266 and 267:
DebugTable 10-4 shows the DBGDRCR b
Page 268 and 269:
DebugConfigurationsAttributesThe pr
Page 270 and 271:
DebugTable 10-8 DBGBCR bit assignme
Page 272 and 273:
DebugTable 10-10 shows the DBGWCR b
Page 274 and 275:
Debug31 12 11 2 1 0ROMADDR[31:12]Re
Page 276 and 277:
Debug10.4.12 OS Lock Status Registe
Page 278 and 279:
DebugTable 10-15 shows the DBGPRCR
Page 280 and 281:
DebugTable 10-16 DBGDSAR bit assign
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Debug31 1 0ReservedIntegration mode
Page 284 and 285:
DebugTable 10-22 shows the DBGDEVID
Page 286 and 287:
Debug10.4.23 Component Identificati
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Debug10.6 External debug interfaceT
Page 290 and 291:
DebugIf software running on the pro
Page 292 and 293:
Performance Monitor Unit11.1 About
Page 294 and 295:
Performance Monitor Unit11.3 PMU re
Page 296 and 297:
Performance Monitor UnitTable 11-1
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Page 300 and 301:
Page 302 and 303:
Page 304 and 305:
Performance Monitor Unit11.5 Effect
Page 306 and 307:
Page 308 and 309:
Performance Monitor Unit11.7 Interr
Page 310 and 311:
Chapter 12Program Trace MacrocellTh
Page 312 and 313:
Program Trace Macrocell12.2 PTM opt
Page 314 and 315:
Program Trace MacrocellYou can also
Page 316 and 317:
Program Trace Macrocell12.5 PTM pro
Page 318 and 319:
Program Trace Macrocellarchitecture
Page 320 and 321:
Program Trace Macrocell12.6 Registe
Page 322 and 323:
Program Trace MacrocellTable 12-4 P
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Program Trace MacrocellTable 12-5 E
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Program Trace MacrocellTable 12-6 E
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Program Trace Macrocell31 26 25 24
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Program Trace Macrocell12.7.8 Confi
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Program Trace Macrocell12.7.10 Auxi
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Program Trace Macrocell31 4 3 2 0Re
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Program Trace MacrocellTable 12-17
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Program Trace Macrocell31 7 60Reser
Page 340 and 341:
Program Trace MacrocellThe Componen
Page 342 and 343:
Cross Trigger13.1 About the cross t
Page 344 and 345:
Cross Trigger13.3 Cortex-A15 CTIIn
Page 346 and 347:
Chapter 14NEON and VFP UnitThis cha
Page 348 and 349:
NEON and VFP UnitARM DDI 0438I Copy
Page 350 and 351:
NEON and VFP UnitSee the ARM ® Arc
Page 352 and 353:
NEON and VFP UnitConfigurationsAvai
Page 354 and 355:
NEON and VFP UnitTable 14-5 FPSCR b
Page 356 and 357:
NEON and VFP UnitTable 14-6 MVFR1 b
Page 358 and 359:
NEON and VFP Unit31 30 29 0Reserved
Page 360 and 361:
Signal DescriptionsA.1 About the si
Page 362 and 363:
Signal DescriptionsA.3 Reset signal
Page 364 and 365:
Signal DescriptionsA.5 Generic Inte
Page 366 and 367:
Signal DescriptionsA.6 Generic Time
Page 368 and 369:
Signal DescriptionsA.8 Power manage
Page 370 and 371:
Signal DescriptionsA.9 AXI interfac
Page 372 and 373:
Signal DescriptionsWrite address ch
Page 374 and 375:
Signal DescriptionsTable A-14 Read
Page 376 and 377:
Signal DescriptionsTable A-20 Write
Page 378 and 379:
Signal DescriptionsA.10 External de
Page 380 and 381:
Signal DescriptionsTable A-27 Misce
Page 382 and 383:
Signal DescriptionsA.12 Cross trigg
Page 384 and 385:
Signal DescriptionsA.14 DFT and MBI
Page 386 and 387:
Appendix BRevisionsThis appendix de
Page 388 and 389:
RevisionsTable B-3 Differences betw
Page 390 and 391:
Page 392:
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