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Arm7TDMI

Detailed information about the OVP Fast Processor Model of the ARM ARM7TDMI core.
Processor IP owner is ARM Holdings. More information is available from them here.

OVP Fast Processor Model is written in C.
Provides a C API for use in C based platforms.
Provides a native C++ interface for use in SystemC TLM2 platforms.

The model is written using the OVP VMI API that provides a Virtual Machine Interface that defines the behavior of the processor.
The VMI API makes a clear line between model and simulator allowing very good optimization and world class high speed performance.

The model has been run through an extensive QA and regression testing process.

Overview of Fast Processor Model


Model Variant name: ARM7TDMI
Description:
    ARM Processor Model
Licensing:
    Imperas Modified Apache 2.0 Open Source License
Verification:
    Models have been extensively tested by Imperas. ARM7TDMI models have been successfully used by customers to simulate ucLinux on Atmel virtual platforms.
Features:
    Thumb instructions are supported.

Model downloadable (needs registration and to be logged in) in package arm.model for Windows32 and for Linux32
OVP simulator downloadable (needs registration and to be logged in) in package OVPsim for Windows32 and for Linux32
OVP Download page here.
OVP documentation that provides overview information on processor models is available OVP_Guide_To_Using_Processor_Models.pdf.

Full model specific documentation on the variant ARM7TDMI is available OVP_Model_Specific_Information_arm_ARM7TDMI.pdf.

Configuration


Location: The Fast Processor Model source and object file is found in the installation VLNV tree: arm.ovpworld.org/processor/arm/1.0
Processor Endian-ness: This model can be set to either endian-ness (normally by a pin, or the ELF code).
Processor ELF Code: The ELF code for this model is: 0x28

TLM Initiator Ports (Bus Ports)

Port TypeNameWidth (bits)Description
masterINSTRUCTION32
masterDATA32

SystemC Signal Ports (Net Ports)

Port TypeNameDescription
fiqinputFast external interrupt (active high)
irqinputExternal interrupt (active high)
resetinputProcessor reset (active high)

No FIFO Ports in ARM7TDMI.


Exceptions

NameCodeDescription
Reset0
Undefined1
SupervisorCall2
PrefetchAbort5
DataAbort6
IRQ8
FIQ9

Execution Modes

ModeCodeDescription
User16
FIQ17
IRQ18
Supervisor19
Abort23
Undefined27
System31

More Detailed Information

The ARM7TDMI OVP Fast Processor Model also has parameters, model commands, and many registers.
The model may also have hierarchy or be multicore and have other attributes and capabilities.
To see this information, please have a look at the model variant specific documents.
Click here to see the detailed document OVP_Model_Specific_Information_arm_ARM7TDMI.pdf.

Other Sites/Pages with similar information

Information on the ARM7TDMI OVP Fast Processor Model can also be found on other web sites:
www.systemc-cpu-models.org has a page on the ARM ARM7TDMI
www.systemc-models.org has a page on the ARM ARM7TDMI
www.systemc-processor-models.org has a page on the ARM ARM7TDMI
www.systemc-tlm-cpu-models.org has a page on the ARM ARM7TDMI
www.systemc-tlm-models.org has a page on the ARM ARM7TDMI
www.systemc-tlm-processor-models.org has a page on the ARM ARM7TDMI



ArmHoldingsProcessors
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