ARM Cortex-A15 MPCore Processor Technical Reference Manual

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Chapter 10DebugThis chapter describes the Cortex-A15 MPCore debug registers and shows examples of how touse them. It contains the following sections:• About debug on page 10-2.• Debug register interfaces on page 10-4.• Debug register summary on page 10-6.• Debug register descriptions on page 10-10.• Debug events on page 10-34.• External debug interface on page 10-35.ARM DDI 0438I Copyright © 2011-2013 ARM. All rights reserved. 10-1ID062913Non-Confidential
Debug10.1 About debugThis section gives an overview of debug and describes the debug components. The processorforms one component of a debug system. Figure 10-1 shows a typical system.DebughostDebug host computer running suitable debugger toolProtocolconverterfor example, DSTREAM or RealView ICEDebugtargetDevelopment system containing ARM processorFigure 10-1 Typical debug systemThis typical system has several parts:• Debug host.• Protocol converter.• Debug target.• The debug unit.10.1.1 Debug hostThe debug host is a computer, for example a personal computer, running a software debuggersuch as RealView Debugger. The debug host enables you to issue high-level commands such assetting breakpoint at a certain location, or examining the contents of a memory address.10.1.2 Protocol converterThe debug host sends messages to the debug target using an interface such as Ethernet.However, the debug target typically implements a different interface protocol. A device such asRealView ICE is required to convert between the two protocols.10.1.3 Debug targetThe debug target is the lowest level of the system. An example of a debug target is adevelopment system with a test chip or a silicon part with a processor.The debug target implements system support for the protocol converter to access the debug unitusing the Advanced Peripheral Bus (APB) slave interface.10.1.4 The debug unitThe processor debug unit assists in debugging software running on the processor. You can usethe processor debug unit, in combination with a software debugger program, to debug:• Application software.ARM DDI 0438I Copyright © 2011-2013 ARM. All rights reserved. 10-2ID062913Non-Confidential
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®ARM®Cortex -A15 MPCoreProcessorR
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ContentsARM Cortex-A15 MPCore Proce
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Contents11.4 PMU register descripti
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PrefaceAbout this bookThis book is
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Preface(continued)Stylemonospace bo
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PrefaceFeedbackARM welcomes feedbac
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Introduction1.1 About the Cortex-A1
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Introduction1.2.3 Debug architectur
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Introduction1.4 InterfacesThe proce
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Introduction• The L2 tag RAM regi
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IntroductionThe ARM product deliver
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Introduction1.7.5 r1p0 - r2p0The fo
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Introduction• Added L1 data TLB s
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Functional Description2.1 About the
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Functional DescriptionLoad/Store un
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Functional Description2.2 Interface
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Functional Description2.3 Clocking
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Functional DescriptionFigure 2-5 sh
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Functional DescriptionAll resets ar
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Functional DescriptionPowerup reset
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Functional Description• nPRESETDB
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Functional Description• L2 unifie
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Functional DescriptionOn entry into
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Functional DescriptionWhen the proc
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Functional DescriptionNoteFigure 2-
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Functional DescriptionRegional cloc
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Functional DescriptionTable 2-3 Val
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Functional Description4. Release th
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Functional DescriptionDebug power d
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Functional DescriptionNoteAfter a p
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Functional DescriptionThe external
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Programmers Model3.1 About the prog
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Programmers Model3.3 Advanced SIMD
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Programmers ModelYou can use the CP
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Programmers Model3.6 Large Physical
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Programmers Model3.8 Modes of opera
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Chapter 4System ControlThis chapter
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System Control4.2 Register summaryT
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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
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System Control4.2.19 Other system c
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System Control4.2.24 Performance mo
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System Control4.2.26 Virtualization
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System Control4.3 Register descript
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System ControlTo access the CTR, re
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System ControlTable 4-34 shows the
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System Control4.3.12 Memory Model F
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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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System ControlConfigurationsAvailab
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System ControlMCR p15, 4, , c0, c0,
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System ControlTable 4-52 SCTLR bit
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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
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System Control• The L2 internal a
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System Control31 30 29 28 27 26 25
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System ControlUsage constraints The
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System ControlTable 4-59 HCPTR bit
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System ControlTable 4-61 DFSR bit a
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System ControlTable 4-63 IFSR bit a
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System ControlConfigurationsAvailab
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System Control• UNKNOWN when exec
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System Control31 30 26 25 24 23 22
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System Control• Only accessible f
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System Control31 0DataFigure 4-40 I
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System ControlThe data returned fro
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System ControlThe data returned fro
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System Control31 24 23 21 20 19 18
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System Control4.3.60 L2 Auxiliary C
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System ControlTable 4-74 L2ACTLR bi
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System Control• Is only accessibl
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System ControlTable 4-79 L2MERRSR b
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Memory Management Unit5.1 About the
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Memory Management Unit5.3 TLB match
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Memory Management Unit• The TLB t
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Memory Management Unit5.6 Intermedi
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Memory Management Unit5.7 External
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Level 1 Memory System6.1 About the
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Level 1 Memory System6.3 L1 instruc
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Level 1 Memory System6.4 L1 data me
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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
Page 222 and 223: Level 2 Memory SystemFor certain tr
Page 224 and 225: Level 2 Memory System7.7.6 Snoop fi
Page 226 and 227: 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
Page 234 and 235: Generic Interrupt Controller8.3 GIC
Page 236 and 237: Generic Interrupt ControllerOffset
Page 238 and 239: Generic Interrupt ControllerTable 8
Page 240 and 241: Generic Interrupt ControllerPrivate
Page 242 and 243: Generic Interrupt Controller0x1D043
Page 244 and 245: Generic Interrupt ControllerThe Cor
Page 246 and 247: Generic Interrupt ControllerTable 8
Page 248 and 249: 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 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
Page 282 and 283: Debug31 1 0ReservedIntegration mode
Page 284 and 285: DebugTable 10-22 shows the DBGDEVID
Page 286 and 287: Debug10.4.23 Component Identificati
Page 288 and 289: 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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Performance Monitor Unit11.5 Effect
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Performance Monitor UnitTable 11-7
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Performance Monitor Unit11.7 Interr
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Chapter 12Program Trace MacrocellTh
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Program Trace Macrocell12.2 PTM opt
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Program Trace MacrocellYou can also
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Program Trace Macrocell12.5 PTM pro
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Program Trace Macrocellarchitecture
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Program Trace Macrocell12.6 Registe
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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
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Program Trace MacrocellThe Componen
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Cross Trigger13.1 About the cross t
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Cross Trigger13.3 Cortex-A15 CTIIn
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Chapter 14NEON and VFP UnitThis cha
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NEON and VFP UnitARM DDI 0438I Copy
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NEON and VFP UnitSee the ARM ® Arc
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NEON and VFP UnitConfigurationsAvai
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NEON and VFP UnitTable 14-5 FPSCR b
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NEON and VFP UnitTable 14-6 MVFR1 b
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NEON and VFP Unit31 30 29 0Reserved
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Signal DescriptionsA.1 About the si
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Signal DescriptionsA.3 Reset signal
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Signal DescriptionsA.5 Generic Inte
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Signal DescriptionsA.6 Generic Time
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Signal DescriptionsA.8 Power manage
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Signal DescriptionsA.9 AXI interfac
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Signal DescriptionsWrite address ch
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Signal DescriptionsTable A-14 Read
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Signal DescriptionsTable A-20 Write
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Signal DescriptionsA.10 External de
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Signal DescriptionsTable A-27 Misce
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Signal DescriptionsA.12 Cross trigg
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Signal DescriptionsA.14 DFT and MBI
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Appendix BRevisionsThis appendix de
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RevisionsTable B-3 Differences betw
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