gem5::ItsTranslation Class Reference

An ItsTranslation is created whenever a peripheral writes a message in GITS_TRANSLATER (MSI). More...

#include <gic_v3_its.hh>

Inheritance diagram for gem5::ItsTranslation:

Public Member Functions
	ItsTranslation (Gicv3Its &_its)
	~ItsTranslation ()
Public Member Functions inherited from gem5::ItsProcess
	ItsProcess (Gicv3Its &_its)
virtual	~ItsProcess ()
const std::string	name () const
	Returns the Gicv3Its name.
ItsAction	run (PacketPtr pkt)
Public Member Functions inherited from gem5::Packet::SenderState
	SenderState ()
virtual	~SenderState ()

Protected Member Functions
void	main (Yield &yield) override
std::pair< uint32_t, Gicv3Redistributor * >	translateLPI (Yield &yield, uint32_t device_id, uint32_t event_id)
Protected Member Functions inherited from gem5::ItsProcess
void	reinit ()
void	writeDeviceTable (Yield &yield, uint32_t device_id, DTE dte)
void	writeIrqTranslationTable (Yield &yield, const Addr itt_base, uint32_t event_id, ITTE itte)
void	writeIrqCollectionTable (Yield &yield, uint32_t collection_id, CTE cte)
uint64_t	readDeviceTable (Yield &yield, uint32_t device_id)
uint64_t	readIrqTranslationTable (Yield &yield, const Addr itt_base, uint32_t event_id)
uint64_t	readIrqCollectionTable (Yield &yield, uint32_t collection_id)
void	doRead (Yield &yield, Addr addr, void *ptr, size_t size)
void	doWrite (Yield &yield, Addr addr, void *ptr, size_t size)
void	terminate (Yield &yield)

Additional Inherited Members
Public Types inherited from gem5::ItsProcess
using	DTE = Gicv3Its::DTE
using	ITTE = Gicv3Its::ITTE
using	CTE = Gicv3Its::CTE
using	Coroutine = gem5::Coroutine<PacketPtr, ItsAction>
using	Yield = Coroutine::CallerType
Public Attributes inherited from gem5::Packet::SenderState
SenderState *	predecessor
Protected Attributes inherited from gem5::ItsProcess
Gicv3Its &	its

Detailed Description

An ItsTranslation is created whenever a peripheral writes a message in GITS_TRANSLATER (MSI).

In this case main will simply do the table walks until it gets a redistributor and an INTID. It will then raise the LPI interrupt to the target redistributor.

Definition at line 409 of file gic_v3_its.hh.

Constructor & Destructor Documentation

ItsTranslation()

gem5::ItsTranslation::ItsTranslation

(

Gicv3Its &

_its

)

Definition at line 224 of file gic_v3_its.cc.

References gem5::ItsProcess::its, gem5::ItsProcess::ItsProcess(), and gem5::ItsProcess::reinit().

~ItsTranslation()

gem5::ItsTranslation::~ItsTranslation

(

)

Definition at line 232 of file gic_v3_its.cc.

References gem5::ItsProcess::its.

Member Function Documentation

main()

void gem5::ItsTranslation::main ( Yield & yield )

overrideprotectedvirtual

Implements gem5::ItsProcess.

Definition at line 241 of file gic_v3_its.cc.

References gem5::Packet::getLE(), gem5::ItsProcess::its, gem5::Packet::req, gem5::Gicv3Redistributor::setClrLPI(), gem5::ItsProcess::terminate(), and translateLPI().

translateLPI()

std::pair< uint32_t, Gicv3Redistributor * > gem5::ItsTranslation::translateLPI ( Yield & yield, uint32_t device_id, uint32_t event_id )

protected

Definition at line 265 of file gic_v3_its.cc.

References gem5::ItsProcess::its, gem5::ItsProcess::readDeviceTable(), gem5::ItsProcess::readIrqCollectionTable(), gem5::ItsProcess::readIrqTranslationTable(), and gem5::ItsProcess::terminate().

Referenced by main().

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

• dev/arm/gic_v3_its.hh
• dev/arm/gic_v3_its.cc