gem5::ItsCommand Class Reference

An ItsCommand is created whenever there is a new command in the command queue. More...

#include <gic_v3_its.hh>

Inheritance diagram for gem5::ItsCommand:

Classes
union	CommandEntry
struct	DispatchEntry
	Dispatch entry is a metadata struct which contains information about the command (like the name) and the function object implementing the command. More...

Public Types
enum	CommandType : uint32_t {   CLEAR = 0x04 , DISCARD = 0x0F , INT = 0x03 , INV = 0x0C ,   INVALL = 0x0D , MAPC = 0x09 , MAPD = 0x08 , MAPI = 0x0B ,   MAPTI = 0x0A , MOVALL = 0x0E , MOVI = 0x01 , SYNC = 0x05 ,   VINVALL = 0x2D , VMAPI = 0x2B , VMAPP = 0x29 , VMAPTI = 0x2A ,   VMOVI = 0x21 , VMOVP = 0x22 , VSYNC = 0x25 }
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 Member Functions
	ItsCommand (Gicv3Its &_its)
	~ItsCommand ()
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 Types
using	DispatchTable

Protected Member Functions
void	main (Yield &yield) override
void	readCommand (Yield &yield, CommandEntry &command)
void	processCommand (Yield &yield, CommandEntry &command)
void	clear (Yield &yield, CommandEntry &command)
void	discard (Yield &yield, CommandEntry &command)
void	mapc (Yield &yield, CommandEntry &command)
void	mapd (Yield &yield, CommandEntry &command)
void	mapi (Yield &yield, CommandEntry &command)
void	mapti (Yield &yield, CommandEntry &command)
void	movall (Yield &yield, CommandEntry &command)
void	movi (Yield &yield, CommandEntry &command)
void	sync (Yield &yield, CommandEntry &command)
void	doInt (Yield &yield, CommandEntry &command)
void	inv (Yield &yield, CommandEntry &command)
void	invall (Yield &yield, CommandEntry &command)
void	vinvall (Yield &yield, CommandEntry &command)
void	vmapi (Yield &yield, CommandEntry &command)
void	vmapp (Yield &yield, CommandEntry &command)
void	vmapti (Yield &yield, CommandEntry &command)
void	vmovi (Yield &yield, CommandEntry &command)
void	vmovp (Yield &yield, CommandEntry &command)
void	vsync (Yield &yield, CommandEntry &command)
bool	idOutOfRange (CommandEntry &command, DTE dte) const
bool	deviceOutOfRange (CommandEntry &command) const
bool	sizeOutOfRange (CommandEntry &command) const
bool	collectionOutOfRange (CommandEntry &command) const
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)

Static Protected Member Functions
static std::string	commandName (uint32_t cmd)

Static Protected Attributes
static DispatchTable	cmdDispatcher

Additional Inherited Members
Public Attributes inherited from gem5::Packet::SenderState
SenderState *	predecessor
Protected Attributes inherited from gem5::ItsProcess
Gicv3Its &	its

Detailed Description

An ItsCommand is created whenever there is a new command in the command queue.

Only one command can be executed per time. main will firstly read the command from memory and then it will process it.

Definition at line 428 of file gic_v3_its.hh.

Member Typedef Documentation

DispatchTable

using gem5::ItsCommand::DispatchTable

protected

Initial value:

 std::unordered_map<
        std::underlying_type<enum CommandType>::type, DispatchEntry>

Definition at line 489 of file gic_v3_its.hh.

Member Enumeration Documentation

CommandType

enum gem5::ItsCommand::CommandType : uint32_t

Enumerator
CLEAR
DISCARD
INT
INV
INVALL
MAPC
MAPD
MAPI
MAPTI
MOVALL
MOVI
SYNC
VINVALL
VMAPI
VMAPP
VMAPTI
VMOVI
VMOVP
VSYNC

Definition at line 445 of file gic_v3_its.hh.

Constructor & Destructor Documentation

ItsCommand()

gem5::ItsCommand::ItsCommand

(

Gicv3Its &

_its

)

Definition at line 318 of file gic_v3_its.cc.

References gem5::ItsProcess::its, gem5::Gicv3Its::pendingCommands, and gem5::ItsProcess::reinit().

~ItsCommand()

gem5::ItsCommand::~ItsCommand

(

)

Definition at line 327 of file gic_v3_its.cc.

References gem5::ItsProcess::its, gem5::Gicv3Its::pendingCommands, and gem5::Gicv3Its::pendingTranslations.

Member Function Documentation

clear()

void gem5::ItsCommand::clear ( Yield & yield, CommandEntry & command )

protected

Definition at line 394 of file gic_v3_its.cc.

References gem5::ItsCommand::CommandEntry::deviceId, deviceOutOfRange(), gem5::ItsCommand::CommandEntry::eventId, gem5::Gicv3Its::getRedistributor(), idOutOfRange(), gem5::Gicv3Its::incrementReadPointer(), gem5::ItsProcess::its, gem5::ItsProcess::readDeviceTable(), gem5::ItsProcess::readIrqCollectionTable(), gem5::ItsProcess::readIrqTranslationTable(), gem5::Gicv3Redistributor::setClrLPI(), and gem5::ItsProcess::terminate().

collectionOutOfRange()

bool gem5::ItsCommand::collectionOutOfRange ( CommandEntry & command ) const

inlineprotected

Definition at line 543 of file gic_v3_its.hh.

References gem5::bits(), gem5::Gicv3Its::collectionOutOfRange(), gem5::ItsProcess::its, and gem5::ItsCommand::CommandEntry::raw.

Referenced by invall(), mapc(), mapi(), mapti(), and movi().

commandName()

std::string gem5::ItsCommand::commandName ( uint32_t cmd )

staticprotected

Definition at line 336 of file gic_v3_its.cc.

References cmdDispatcher.

Referenced by readCommand().

deviceOutOfRange()

bool gem5::ItsCommand::deviceOutOfRange ( CommandEntry & command ) const

inlineprotected

Definition at line 528 of file gic_v3_its.hh.

References gem5::ItsCommand::CommandEntry::deviceId, gem5::Gicv3Its::deviceOutOfRange(), and gem5::ItsProcess::its.

Referenced by clear(), discard(), doInt(), inv(), mapd(), mapi(), mapti(), and movi().

discard()

void gem5::ItsCommand::discard ( Yield & yield, CommandEntry & command )

protected

Definition at line 429 of file gic_v3_its.cc.

References gem5::ItsCommand::CommandEntry::deviceId, deviceOutOfRange(), gem5::ItsCommand::CommandEntry::eventId, gem5::Gicv3Its::getRedistributor(), idOutOfRange(), gem5::Gicv3Its::incrementReadPointer(), gem5::ItsProcess::its, gem5::ItsProcess::readDeviceTable(), gem5::ItsProcess::readIrqCollectionTable(), gem5::ItsProcess::readIrqTranslationTable(), gem5::Gicv3Redistributor::setClrLPI(), gem5::ItsProcess::terminate(), and gem5::ItsProcess::writeIrqTranslationTable().

doInt()

void gem5::ItsCommand::doInt ( Yield & yield, CommandEntry & command )

protected

Definition at line 468 of file gic_v3_its.cc.

References gem5::ItsCommand::CommandEntry::deviceId, deviceOutOfRange(), gem5::ItsCommand::CommandEntry::eventId, gem5::Gicv3Its::getRedistributor(), idOutOfRange(), gem5::Gicv3Its::incrementReadPointer(), gem5::ItsProcess::its, gem5::ItsProcess::readDeviceTable(), gem5::ItsProcess::readIrqCollectionTable(), gem5::ItsProcess::readIrqTranslationTable(), gem5::Gicv3Redistributor::setClrLPI(), and gem5::ItsProcess::terminate().

idOutOfRange()

bool gem5::ItsCommand::idOutOfRange ( CommandEntry & command, DTE dte ) const

inlineprotected

Definition at line 523 of file gic_v3_its.hh.

References gem5::ItsCommand::CommandEntry::eventId, gem5::Gicv3Its::idOutOfRange(), and gem5::ItsProcess::its.

Referenced by clear(), discard(), doInt(), inv(), mapi(), mapti(), and movi().

inv()

void gem5::ItsCommand::inv ( Yield & yield, CommandEntry & command )

protected

Definition at line 503 of file gic_v3_its.cc.

References gem5::ItsCommand::CommandEntry::deviceId, deviceOutOfRange(), gem5::ItsCommand::CommandEntry::eventId, idOutOfRange(), gem5::Gicv3Its::incrementReadPointer(), gem5::ItsProcess::its, gem5::ItsProcess::readDeviceTable(), gem5::ItsProcess::readIrqCollectionTable(), gem5::ItsProcess::readIrqTranslationTable(), and gem5::ItsProcess::terminate().

invall()

void gem5::ItsCommand::invall ( Yield & yield, CommandEntry & command )

protected

Definition at line 537 of file gic_v3_its.cc.

References gem5::bits(), collectionOutOfRange(), gem5::Gicv3Its::incrementReadPointer(), gem5::ItsProcess::its, gem5::ItsCommand::CommandEntry::raw, gem5::ItsProcess::readIrqCollectionTable(), and gem5::ItsProcess::terminate().

main()

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

overrideprotectedvirtual

Implements gem5::ItsProcess.

Definition at line 343 of file gic_v3_its.cc.

References gem5::ArmISA::a, gem5::Gicv3Its::gitsCreadr, gem5::Gicv3Its::gitsCwriter, gem5::Gicv3Its::incrementReadPointer(), gem5::INITIAL_NOP, gem5::ItsProcess::its, processCommand(), readCommand(), gem5::ItsProcess::terminate(), and gem5::ItsAction::type.

mapc()

void gem5::ItsCommand::mapc ( Yield & yield, CommandEntry & command )

protected

Definition at line 557 of file gic_v3_its.cc.

References gem5::bits(), collectionOutOfRange(), gem5::Gicv3Its::incrementReadPointer(), gem5::ItsProcess::its, gem5::ItsCommand::CommandEntry::raw, gem5::ItsProcess::terminate(), and gem5::ItsProcess::writeIrqCollectionTable().

mapd()

void gem5::ItsCommand::mapd ( Yield & yield, CommandEntry & command )

protected

Definition at line 574 of file gic_v3_its.cc.

References gem5::bits(), gem5::ItsCommand::CommandEntry::deviceId, deviceOutOfRange(), gem5::Gicv3Its::incrementReadPointer(), gem5::ItsProcess::its, gem5::mbits(), gem5::ItsCommand::CommandEntry::raw, sizeOutOfRange(), gem5::ItsProcess::terminate(), and gem5::ItsProcess::writeDeviceTable().

mapi()

void gem5::ItsCommand::mapi ( Yield & yield, CommandEntry & command )

protected

Definition at line 590 of file gic_v3_its.cc.

References gem5::bits(), collectionOutOfRange(), gem5::ItsCommand::CommandEntry::deviceId, deviceOutOfRange(), gem5::ItsCommand::CommandEntry::eventId, idOutOfRange(), gem5::Gicv3Its::incrementReadPointer(), gem5::ItsProcess::its, gem5::Gicv3Its::lpiOutOfRange(), gem5::ItsCommand::CommandEntry::raw, gem5::ItsProcess::readDeviceTable(), gem5::ItsProcess::readIrqTranslationTable(), gem5::ItsProcess::terminate(), and gem5::ItsProcess::writeIrqTranslationTable().

mapti()

void gem5::ItsCommand::mapti ( Yield & yield, CommandEntry & command )

protected

Definition at line 624 of file gic_v3_its.cc.

References gem5::bits(), collectionOutOfRange(), gem5::ItsCommand::CommandEntry::deviceId, deviceOutOfRange(), gem5::ItsCommand::CommandEntry::eventId, idOutOfRange(), gem5::Gicv3Its::incrementReadPointer(), gem5::ItsProcess::its, gem5::Gicv3Its::lpiOutOfRange(), gem5::ItsCommand::CommandEntry::raw, gem5::ItsProcess::readDeviceTable(), gem5::ItsProcess::readIrqTranslationTable(), gem5::ItsProcess::terminate(), and gem5::ItsProcess::writeIrqTranslationTable().

movall()

void gem5::ItsCommand::movall ( Yield & yield, CommandEntry & command )

protected

Definition at line 660 of file gic_v3_its.cc.

References gem5::bits(), gem5::Gicv3Its::getRedistributor(), gem5::ItsProcess::its, gem5::Gicv3Its::moveAllPendingState(), and gem5::ItsCommand::CommandEntry::raw.

movi()

void gem5::ItsCommand::movi ( Yield & yield, CommandEntry & command )

protected

Definition at line 674 of file gic_v3_its.cc.

References gem5::bits(), collectionOutOfRange(), gem5::ItsCommand::CommandEntry::deviceId, deviceOutOfRange(), gem5::ItsCommand::CommandEntry::eventId, gem5::Gicv3Its::getRedistributor(), idOutOfRange(), gem5::Gicv3Its::incrementReadPointer(), gem5::Gicv3Redistributor::isPendingLPI(), gem5::ItsProcess::its, gem5::ItsCommand::CommandEntry::raw, gem5::ItsProcess::readDeviceTable(), gem5::ItsProcess::readIrqCollectionTable(), gem5::ItsProcess::readIrqTranslationTable(), gem5::Gicv3Redistributor::setClrLPI(), gem5::ItsProcess::terminate(), and gem5::ItsProcess::writeIrqTranslationTable().

processCommand()

void gem5::ItsCommand::processCommand ( Yield & yield, CommandEntry & command )

protected

Definition at line 381 of file gic_v3_its.cc.

References cmdDispatcher, panic, and gem5::ItsCommand::CommandEntry::type.

Referenced by main().

readCommand()

void gem5::ItsCommand::readCommand ( Yield & yield, CommandEntry & command )

protected

Definition at line 366 of file gic_v3_its.cc.

References commandName(), gem5::ItsProcess::doRead(), DPRINTF, gem5::Gicv3Its::gitsCbaser, gem5::Gicv3Its::gitsCreadr, gem5::ItsProcess::its, gem5::ItsCommand::CommandEntry::raw, and gem5::ItsCommand::CommandEntry::type.

Referenced by main().

sizeOutOfRange()

bool gem5::ItsCommand::sizeOutOfRange ( CommandEntry & command ) const

inlineprotected

Definition at line 533 of file gic_v3_its.hh.

References gem5::bits(), gem5::ItsProcess::its, gem5::ItsCommand::CommandEntry::raw, and gem5::Gicv3Its::sizeOutOfRange().

Referenced by mapd().

sync()

void gem5::ItsCommand::sync ( Yield & yield, CommandEntry & command )

protected

Definition at line 735 of file gic_v3_its.cc.

References warn.

vinvall()

void gem5::ItsCommand::vinvall ( Yield & yield, CommandEntry & command )

protected

Definition at line 741 of file gic_v3_its.cc.

References panic.

vmapi()

void gem5::ItsCommand::vmapi ( Yield & yield, CommandEntry & command )

protected

Definition at line 747 of file gic_v3_its.cc.

References panic.

vmapp()

void gem5::ItsCommand::vmapp ( Yield & yield, CommandEntry & command )

protected

Definition at line 753 of file gic_v3_its.cc.

References panic.

vmapti()

void gem5::ItsCommand::vmapti ( Yield & yield, CommandEntry & command )

protected

Definition at line 759 of file gic_v3_its.cc.

References panic.

vmovi()

void gem5::ItsCommand::vmovi ( Yield & yield, CommandEntry & command )

protected

Definition at line 765 of file gic_v3_its.cc.

References panic.

vmovp()

void gem5::ItsCommand::vmovp ( Yield & yield, CommandEntry & command )

protected

Definition at line 771 of file gic_v3_its.cc.

References panic.

vsync()

void gem5::ItsCommand::vsync ( Yield & yield, CommandEntry & command )

protected

Definition at line 777 of file gic_v3_its.cc.

References panic.

Member Data Documentation

cmdDispatcher

ItsCommand::DispatchTable gem5::ItsCommand::cmdDispatcher

staticprotected

Initial value:

=
{
    COMMAND(CLEAR, &ItsCommand::clear),
    COMMAND(DISCARD, &ItsCommand::discard),
    COMMAND(INT, &ItsCommand::doInt),
    COMMAND(INV, &ItsCommand::inv),
    COMMAND(INVALL, &ItsCommand::invall),
    COMMAND(MAPC, &ItsCommand::mapc),
    COMMAND(MAPD, &ItsCommand::mapd),
    COMMAND(MAPI, &ItsCommand::mapi),
    COMMAND(MAPTI, &ItsCommand::mapti),
    COMMAND(MOVALL, &ItsCommand::movall),
    COMMAND(MOVI, &ItsCommand::movi),
    COMMAND(SYNC, &ItsCommand::sync),
    COMMAND(VINVALL, &ItsCommand::vinvall),
    COMMAND(VMAPI, &ItsCommand::vmapi),
    COMMAND(VMAPP, &ItsCommand::vmapp),
    COMMAND(VMAPTI, &ItsCommand::vmapti),
    COMMAND(VMOVI, &ItsCommand::vmovi),
    COMMAND(VMOVP, &ItsCommand::vmovp),
    COMMAND(VSYNC, &ItsCommand::vsync),
}

Definition at line 492 of file gic_v3_its.hh.

Referenced by commandName(), and processCommand().

---

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

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