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Control register

A control register is a processor register that changes or controls the general behavior of a CPU or other digital device. Common tasks performed by control registers include interrupt control, switching the addressing mode, paging control, and coprocessor control.

History, Control registers in Intel x86 series & Additional Control registers in Intel x86-64 series

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History

System/360360/67System/370DASS/370-XA
8 related topics

Control registers in Intel x86 series

X86386X64Long modeMachine Status Word
12 related topics

Additional Control registers in Intel x86-64 series

X86-64Model-specific registerAMD K6SYSCALLAMD64
8 related topics

Control registers in IBM S/390

IBM S/390S/370
2 related topics

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Overview

History

Control registers in IBM S/390

Control registers in Intel x86 series

Additional Control registers in Intel x86-64 series

Advanced semantic analysis

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Map overview Semantic statistics

Control register

Nodes42
Edges41
Triples73
Avg. degree1.95
Density0.047619
Components1

How this topic connects Entity context

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Control register

Top relations

related to XCR0 and XSS · 19
Control register → Because, CPU, Extended Control Register, It, MSR, PT, Put, RDMSR, The, There, WRMSR, X87, XCR0, XGETBV, XRSTORS, XSAVE, XSAVE/XRSTOR, XSAVES, XSETBV
related to history · 14
Control register → Architecture, As IBM, CPU, DAS, ESA/390, IBM, S/360, S/370-ESA, S/370-XA, System/360, System/370, The, When IBM, With
related to Control registers in IBM S/390 · 9
Control register → ESA/370, ESA/390, For, IBM S/390, Operation, Principles, S/370, S/370-XA, The
related to Control registers in IBM z/Architecture · 8
Control register → Architecture, Because, ESA/390, For, IBM S/390, Operation, Principles, The
related to CR0 · 8
Control register → Bit, CR0, Machine Status Word, MSW, On, Register CR0, The CR0, The MSW
related to M67 CR8 · 3
Control register → CCs, CPUs, Processor Storage
related to M67 CR9 · 3
Control register → CCs, CPUs, Processor Storage
related to M67 CR2 · 2
Control register → Control, Relocation
is a · 1
Control register → processor register that changes or controls the general behavior of a CPU or other digital device
related to M67 CR10 · 1
Control register → Processor

Important terminology Word statistics

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Important terminology

control register registers contains ibm bits processor mode bit used address tpr cr0 architecture interrupts 390 external intel cpu features

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Control registeris aprocessor register that changes or controls the general behavior of a CPU or other digital device0.90text
virtual-8086 supportinstance ofCR4Used in protected mode to control operations0.80text
enabling I/O breakpointsinstance ofCR4Used in protected mode to control operations0.80text
page size extensioninstance ofCR4Used in protected mode to control operations0.80text
machine-check exceptions..mw-parser-output .reflist-columns-2instance ofCR4Used in protected mode to control operations0.80text
Control registerrelated to Control registers in IBM S/390The0.60section
Control registerrelated to Control registers in IBM S/390ESA/3900.60section
Control registerrelated to Control registers in IBM S/390IBM S/3900.60section
Control registerrelated to Control registers in IBM S/390ESA/3700.60section
Control registerrelated to Control registers in IBM S/390S/370-XA0.60section
Control registerrelated to Control registers in IBM S/390S/3700.60section
Control registerrelated to Control registers in IBM S/390For0.60section

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