gem5  v20.1.0.0
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ArmISA::DummyISADevice Class Reference

Dummy device that prints a warning when it is accessed. More...

#include <isa_device.hh>

Inheritance diagram for ArmISA::DummyISADevice:
ArmISA::BaseISADevice

Public Member Functions

 DummyISADevice ()
 
 ~DummyISADevice ()
 
void setMiscReg (int misc_reg, RegVal val) override
 Write to a system register belonging to this device. More...
 
RegVal readMiscReg (int misc_reg) override
 Read a system register belonging to this device. More...
 
- Public Member Functions inherited from ArmISA::BaseISADevice
 BaseISADevice ()
 
virtual ~BaseISADevice ()
 
virtual void setISA (ISA *isa)
 
virtual void setThreadContext (ThreadContext *tc)
 

Additional Inherited Members

- Protected Attributes inherited from ArmISA::BaseISADevice
ISAisa
 

Detailed Description

Dummy device that prints a warning when it is accessed.

This device can be used as a placeholder when a real device model is not present. For example, the ISA code uses it to avoid having to check for a PMU in the register access code.

Definition at line 94 of file isa_device.hh.

Constructor & Destructor Documentation

◆ DummyISADevice()

ArmISA::DummyISADevice::DummyISADevice ( )
inline

Definition at line 97 of file isa_device.hh.

◆ ~DummyISADevice()

ArmISA::DummyISADevice::~DummyISADevice ( )
inline

Definition at line 99 of file isa_device.hh.

Member Function Documentation

◆ readMiscReg()

RegVal ArmISA::DummyISADevice::readMiscReg ( int  misc_reg)
overridevirtual

Read a system register belonging to this device.

Parameters
misc_regRegister number (see miscregs.hh)
Returns
Register value.

Implements ArmISA::BaseISADevice.

Definition at line 67 of file isa_device.cc.

References ArmISA::miscRegName, and warn.

◆ setMiscReg()

void ArmISA::DummyISADevice::setMiscReg ( int  misc_reg,
RegVal  val 
)
overridevirtual

Write to a system register belonging to this device.

Parameters
misc_regRegister number (see miscregs.hh)
valValue to store

Implements ArmISA::BaseISADevice.

Definition at line 59 of file isa_device.cc.

References ArmISA::miscRegName, X86ISA::val, and warn.


The documentation for this class was generated from the following files:

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