Fast Models Reference Manual - ARM Information Center

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Processor Components 4.15.4 Registers The ARM968CT component provides the registers specified by the technical reference manual for the ARM968E-S with the following exceptions: • coprocessor 14 registers are not implemented • integration and test registers are not implemented. ARM DUI 0423J Copyright © 2008-2011 ARM. All rights reserved. 4-82 ID051811 Non-Confidential
Processor Components 4.15.5 Debug features The ARM968CT component exports a CADI debug interface. Registers All processor, CP15 registers are visible in the debugger. See the processor technical reference manual for a detailed description of available registers. The CP14 DSCR register is visible for compatibility reasons with some debuggers. This register has no defined behavior. Breakpoints There is direct support for: • single unconditional instruction breakpoints • unconditional instruction range breakpoints • single unconditional data breakpoints. The debugger might augment these with more complex combinations of breakpoints. The current models do not support processor exception breakpoints. The current models support processor exception breakpoints by the use of pseudo-registers available in the debugger register window. When debugger support is added to directly support processor exceptions, these pseudo-registers are removed. Setting an exception register to a non-zero value causes execution to stop on entry to the associated exception vector. Memory The ARM968CT component presents a single flat 4GB view of virtual memory as seen by the model processor. 4.15.6 Verification and testing The ARM968CT component has been tested using: • the architecture validation suite tests for the ARM968E-S • booting of ucLinux and ThreadX OS images on a VE ARM968 simulation platform. 4.15.7 Performance The ARM968CT component provides high performance in all areas except when protection regions are configured with regions or subregions less than 1KB in size. Any execution of instructions within the aligned 1KB of memory containing that region runs slower than expected. 4.15.8 Library dependencies The ARM968CT component has no dependencies on external libraries. ARM DUI 0423J Copyright © 2008-2011 ARM. All rights reserved. 4-83 ID051811 Non-Confidential
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Fast Models Version 6.1 Reference M
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Contents Fast Models Reference Manu
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Preface This preface introduces the
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Preface Typographical conventions T
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Preface Feedback ARM welcomes feedb
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Introduction 1.1 About the componen
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Accuracy and Functionality 2.1 Mode
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Accuracy and Functionality 2.2.2 Pe
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Accuracy and Functionality 2. For a
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Accuracy and Functionality Fast Mod
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Signaling and Clocking Protocols 3.
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Signaling and Clocking Protocols 3.
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Signaling and Clocking Protocols Pa
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Signaling and Clocking Protocols Ve
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Chapter 4 Processor Components This
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Processor Components 4.2 ARMCortexA
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Processor Components InstructionCou
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Processor Components c. This is a m
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Processor Components 4.3 ARMCortexA
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Processor Components Table 4-4 ARMC
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Processor Components 4.3.9 Library
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Processor Components a. The ase-pre
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Processor Components 4.4.8 Performa
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Processor Components 4.5.3 Paramete
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Processor Components The debugger m
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Processor Components 4.6.1 Ports Ta
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Processor Components Table 4-13 ARM
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Peripheral and Interface Components
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Versatile Express Model: Platform a
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Chapter 7 Emulation Baseboard Model
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Emulation Baseboard Model: Platform
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Microcontroller Prototyping System:
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AEM ARMv7-A specifics A.1 Boundary
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AEM ARMv7-A specifics When paramete
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AEM ARMv7-A specifics When stepping
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AEM ARMv7-A specifics A.2 Debug arc
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AEM ARMv7-A specifics A.3 IMPLEMENT
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AEM ARMv7-A specifics A.4 Trace The
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Glossary DSR DTR EB GIC GPIO I/O KM
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Fast Models Reference Manual - ARM Information Center

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