ARM Cortex-A15 MPCore Processor Technical Reference Manual

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Generic Timer9.3 Generic Timer programmers modelWithin each processor, a set of Generic Timer registers are allocated to the CP15 coprocessorspace. The Generic Timer registers are either 32-bits wide or 64-bits wide.Table 9-2 shows the Generic Timer registers.Name CRn Op1 CRm Op2 Reset Width DescriptionTable 9-2 Generic Timer registersCNTFRQ c14 0 c0 0 UNK 32-bit Counter Frequency Register, see the ARM ® ArchitectureReference Manual ARMv7-A and ARMv7-R editionCNTPCT - 0 c14 - UNK 64-bit Physical Count Register, see the ARM ® ArchitectureReference Manual ARMv7-A and ARMv7-R editionCNTKCTL c14 0 c1 0 - a 32-bit Timer PL1 Control Register, see the ARM ® ArchitectureReference Manual ARMv7-A and ARMv7-R editionCNTP_TVAL c2 0 UNK 32-bit PL1 Physical TimerValue Register, see the ARM ®Architecture Reference Manual ARMv7-A and ARMv7-ReditionCNTP_CTL 1 - b 32-bit PL1 Physical Timer Control Register, see the ARM ®Architecture Reference Manual ARMv7-A and ARMv7-ReditionCNTV_TVAL c3 0 UNK 32-bit Virtual TimerValue Register, see the ARM ® ArchitectureReference Manual ARMv7-A and ARMv7-R editionCNTV_CTL 1 b 32-bit Virtual Timer Control Register, see the ARM ® ArchitectureReference Manual ARMv7-A and ARMv7-R editionCNTVCT - 1 c14 - UNK 64-bit Virtual Count Register, see the ARM ® ArchitectureReference Manual ARMv7-A and ARMv7-R editionCNTP_CVAL 2 UNK 64-bit PL1 Physical Timer CompareValue Register, see the ARM ®Architecture Reference Manual ARMv7-A and ARMv7-ReditionCNTV_CVAL 3 UNK 64-bit Virtual Timer CompareValue Register, see the ARM ®Architecture Reference Manual ARMv7-A and ARMv7-ReditionCNTVOFF 4 UNK 64-bit Virtual Offset Register, see the ARM ® ArchitectureReference Manual ARMv7-A and ARMv7-R editionCNTHCTL c14 4 c1 0 - c 32-bit Timer PL2 Control Register, see the ARM ® ArchitectureReference Manual ARMv7-A and ARMv7-R editionCNTHP_TVAL c2 0 UNK 32-bit PL2 Physical TimerValue Register, see the ARM ®Architecture Reference Manual ARMv7-A and ARMv7-ReditionCNTHP_CTL 1 b 32-bit PL2 Physical Timer Control Register, see the ARM ®Architecture Reference Manual ARMv7-A and ARMv7-ReditionCNTHP_CVAL - 6 c14 - UNK 64-bit PL2 Physical Timer CompareValue Register, see the ARM ®Architecture Reference Manual ARMv7-A and ARMv7-Reditiona. The reset value for bits[9:8, 2:0] is b00000.ARM DDI 0438I Copyright © 2011-2013 ARM. All rights reserved. 9-4ID062913Non-Confidential
Generic Timerb. The reset value for bit[0] is 0.c. The reset value for bit[2] is 0 and for bits[1:0] is b11.ARM DDI 0438I Copyright © 2011-2013 ARM. All rights reserved. 9-5ID062913Non-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
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
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 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
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 UnitTable 11-4
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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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