sc_gem5::Gem5ToTlmBridge< BITWIDTH > Class Template Reference

#include <gem5_to_tlm.hh>

Inheritance diagram for sc_gem5::Gem5ToTlmBridge< BITWIDTH >:

Classes
class	BridgeResponsePort

Public Types
typedef gem5::Gem5ToTlmBridgeBaseParams	Params

Public Member Functions
gem5::Port &	gem5_getPort (const std::string &if_name, int idx=-1) override
	Gem5ToTlmBridge (const Params &p, const sc_core::sc_module_name &mn)
tlm_utils::simple_initiator_socket< Gem5ToTlmBridge< BITWIDTH >, BITWIDTH > &	getSocket ()
void	before_end_of_elaboration () override
Public Member Functions inherited from sc_core::sc_module
virtual	~sc_module ()
virtual const char *	kind () const
void	operator() (const sc_bind_proxy &p001, const sc_bind_proxy &p002=SC_BIND_PROXY_NIL, const sc_bind_proxy &p003=SC_BIND_PROXY_NIL, const sc_bind_proxy &p004=SC_BIND_PROXY_NIL, const sc_bind_proxy &p005=SC_BIND_PROXY_NIL, const sc_bind_proxy &p006=SC_BIND_PROXY_NIL, const sc_bind_proxy &p007=SC_BIND_PROXY_NIL, const sc_bind_proxy &p008=SC_BIND_PROXY_NIL, const sc_bind_proxy &p009=SC_BIND_PROXY_NIL, const sc_bind_proxy &p010=SC_BIND_PROXY_NIL, const sc_bind_proxy &p011=SC_BIND_PROXY_NIL, const sc_bind_proxy &p012=SC_BIND_PROXY_NIL, const sc_bind_proxy &p013=SC_BIND_PROXY_NIL, const sc_bind_proxy &p014=SC_BIND_PROXY_NIL, const sc_bind_proxy &p015=SC_BIND_PROXY_NIL, const sc_bind_proxy &p016=SC_BIND_PROXY_NIL, const sc_bind_proxy &p017=SC_BIND_PROXY_NIL, const sc_bind_proxy &p018=SC_BIND_PROXY_NIL, const sc_bind_proxy &p019=SC_BIND_PROXY_NIL, const sc_bind_proxy &p020=SC_BIND_PROXY_NIL, const sc_bind_proxy &p021=SC_BIND_PROXY_NIL, const sc_bind_proxy &p022=SC_BIND_PROXY_NIL, const sc_bind_proxy &p023=SC_BIND_PROXY_NIL, const sc_bind_proxy &p024=SC_BIND_PROXY_NIL, const sc_bind_proxy &p025=SC_BIND_PROXY_NIL, const sc_bind_proxy &p026=SC_BIND_PROXY_NIL, const sc_bind_proxy &p027=SC_BIND_PROXY_NIL, const sc_bind_proxy &p028=SC_BIND_PROXY_NIL, const sc_bind_proxy &p029=SC_BIND_PROXY_NIL, const sc_bind_proxy &p030=SC_BIND_PROXY_NIL, const sc_bind_proxy &p031=SC_BIND_PROXY_NIL, const sc_bind_proxy &p032=SC_BIND_PROXY_NIL, const sc_bind_proxy &p033=SC_BIND_PROXY_NIL, const sc_bind_proxy &p034=SC_BIND_PROXY_NIL, const sc_bind_proxy &p035=SC_BIND_PROXY_NIL, const sc_bind_proxy &p036=SC_BIND_PROXY_NIL, const sc_bind_proxy &p037=SC_BIND_PROXY_NIL, const sc_bind_proxy &p038=SC_BIND_PROXY_NIL, const sc_bind_proxy &p039=SC_BIND_PROXY_NIL, const sc_bind_proxy &p040=SC_BIND_PROXY_NIL, const sc_bind_proxy &p041=SC_BIND_PROXY_NIL, const sc_bind_proxy &p042=SC_BIND_PROXY_NIL, const sc_bind_proxy &p043=SC_BIND_PROXY_NIL, const sc_bind_proxy &p044=SC_BIND_PROXY_NIL, const sc_bind_proxy &p045=SC_BIND_PROXY_NIL, const sc_bind_proxy &p046=SC_BIND_PROXY_NIL, const sc_bind_proxy &p047=SC_BIND_PROXY_NIL, const sc_bind_proxy &p048=SC_BIND_PROXY_NIL, const sc_bind_proxy &p049=SC_BIND_PROXY_NIL, const sc_bind_proxy &p050=SC_BIND_PROXY_NIL, const sc_bind_proxy &p051=SC_BIND_PROXY_NIL, const sc_bind_proxy &p052=SC_BIND_PROXY_NIL, const sc_bind_proxy &p053=SC_BIND_PROXY_NIL, const sc_bind_proxy &p054=SC_BIND_PROXY_NIL, const sc_bind_proxy &p055=SC_BIND_PROXY_NIL, const sc_bind_proxy &p056=SC_BIND_PROXY_NIL, const sc_bind_proxy &p057=SC_BIND_PROXY_NIL, const sc_bind_proxy &p058=SC_BIND_PROXY_NIL, const sc_bind_proxy &p059=SC_BIND_PROXY_NIL, const sc_bind_proxy &p060=SC_BIND_PROXY_NIL, const sc_bind_proxy &p061=SC_BIND_PROXY_NIL, const sc_bind_proxy &p062=SC_BIND_PROXY_NIL, const sc_bind_proxy &p063=SC_BIND_PROXY_NIL, const sc_bind_proxy &p064=SC_BIND_PROXY_NIL)
sc_module &	operator<< (sc_interface &)
sc_module &	operator<< (sc_port_base &)
sc_module &	operator, (sc_interface &)
sc_module &	operator, (sc_port_base &)
virtual const std::vector< sc_object * > &	get_child_objects () const
virtual const std::vector< sc_event * > &	get_child_events () const
Public Member Functions inherited from sc_core::sc_object
const char *	name () const
const char *	basename () const
virtual void	print (std::ostream &=std::cout) const
virtual void	dump (std::ostream &=std::cout) const
sc_object *	get_parent_object () const
bool	add_attribute (sc_attr_base &)
sc_attr_base *	get_attribute (const std::string &)
sc_attr_base *	remove_attribute (const std::string &)
void	remove_all_attributes ()
int	num_attributes () const
sc_attr_cltn &	attr_cltn ()
const sc_attr_cltn &	attr_cltn () const
sc_simcontext *	simcontext () const

Protected Member Functions
void	pec (tlm::tlm_generic_payload &trans, const tlm::tlm_phase &phase)
gem5::MemBackdoorPtr	getBackdoor (tlm::tlm_generic_payload &trans)
gem5::Tick	recvAtomic (gem5::PacketPtr packet)
gem5::Tick	recvAtomicBackdoor (gem5::PacketPtr pkt, gem5::MemBackdoorPtr &backdoor)
void	recvFunctional (gem5::PacketPtr packet)
void	recvMemBackdoorReq (const gem5::MemBackdoorReq &req, gem5::MemBackdoorPtr &backdoor)
bool	recvTimingReq (gem5::PacketPtr packet)
bool	tryTiming (gem5::PacketPtr packet)
bool	recvTimingSnoopResp (gem5::PacketPtr packet)
void	recvRespRetry ()
void	recvFunctionalSnoop (gem5::PacketPtr packet)
gem5::AddrRangeList	getAddrRanges () const
tlm::tlm_sync_enum	nb_transport_bw (tlm::tlm_generic_payload &trans, tlm::tlm_phase &phase, sc_core::sc_time &t)
void	invalidate_direct_mem_ptr (sc_dt::uint64 start_range, sc_dt::uint64 end_range)
Protected Member Functions inherited from sc_core::sc_module
	sc_module (const sc_module_name &)
	sc_module ()
	sc_module (const char *)
	sc_module (const std::string &)
void	end_module ()
void	reset_signal_is (const sc_in< bool > &, bool)
void	reset_signal_is (const sc_inout< bool > &, bool)
void	reset_signal_is (const sc_out< bool > &, bool)
void	reset_signal_is (const sc_signal_in_if< bool > &, bool)
void	async_reset_signal_is (const sc_in< bool > &, bool)
void	async_reset_signal_is (const sc_inout< bool > &, bool)
void	async_reset_signal_is (const sc_out< bool > &, bool)
void	async_reset_signal_is (const sc_signal_in_if< bool > &, bool)
void	dont_initialize ()
void	set_stack_size (size_t)
void	next_trigger ()
void	next_trigger (const sc_event &)
void	next_trigger (const sc_event_or_list &)
void	next_trigger (const sc_event_and_list &)
void	next_trigger (const sc_time &)
void	next_trigger (double, sc_time_unit)
void	next_trigger (const sc_time &, const sc_event &)
void	next_trigger (double, sc_time_unit, const sc_event &)
void	next_trigger (const sc_time &, const sc_event_or_list &)
void	next_trigger (double, sc_time_unit, const sc_event_or_list &)
void	next_trigger (const sc_time &, const sc_event_and_list &)
void	next_trigger (double, sc_time_unit, const sc_event_and_list &)
bool	timed_out ()
void	wait ()
void	wait (int)
void	wait (const sc_event &)
void	wait (const sc_event_or_list &)
void	wait (const sc_event_and_list &)
void	wait (const sc_time &)
void	wait (double, sc_time_unit)
void	wait (const sc_time &, const sc_event &)
void	wait (double, sc_time_unit, const sc_event &)
void	wait (const sc_time &, const sc_event_or_list &)
void	wait (double, sc_time_unit, const sc_event_or_list &)
void	wait (const sc_time &, const sc_event_and_list &)
void	wait (double, sc_time_unit, const sc_event_and_list &)
void	halt ()
void	at_posedge (const sc_signal_in_if< bool > &)
void	at_posedge (const sc_signal_in_if< sc_dt::sc_logic > &)
void	at_negedge (const sc_signal_in_if< bool > &)
void	at_negedge (const sc_signal_in_if< sc_dt::sc_logic > &)
virtual void	end_of_elaboration ()
virtual void	start_of_simulation ()
virtual void	end_of_simulation ()
Protected Member Functions inherited from sc_core::sc_object
	sc_object ()
	sc_object (const char *)
	sc_object (const sc_object &)
sc_object &	operator= (const sc_object &)
virtual	~sc_object ()

Protected Attributes
gem5::AddrRangeMap< gem5::MemBackdoorPtr >	backdoorMap
Protected Attributes inherited from sc_core::sc_module
sc_sensitive	sensitive

Private Attributes
BridgeResponsePort	bridgeResponsePort
tlm_utils::simple_initiator_socket< Gem5ToTlmBridge< BITWIDTH >, BITWIDTH >	socket
sc_gem5::TlmInitiatorWrapper< BITWIDTH >	wrapper
gem5::System *	system
tlm::tlm_generic_payload *	blockingRequest
	A transaction after BEGIN_REQ has been sent but before END_REQ, which is blocking the request channel (Exlusion Rule, see IEEE1666)
bool	needToSendRequestRetry
	Did another gem5 request arrive while currently blocked? This variable is needed when a retry should happen.
tlm::tlm_generic_payload *	blockingResponse
	A response which has been asked to retry by gem5 and so is blocking the response channel.
std::unordered_map< tlm::tlm_generic_payload *, gem5::PacketPtr >	packetMap
	A map to record the association between payload and packet.
gem5::AddrRangeList	addrRanges

Detailed Description

template<unsigned int BITWIDTH>
class sc_gem5::Gem5ToTlmBridge< BITWIDTH >

Definition at line 93 of file gem5_to_tlm.hh.

Member Typedef Documentation

Params

template<unsigned int BITWIDTH>

typedef gem5::Gem5ToTlmBridgeBaseParams sc_gem5::Gem5ToTlmBridge< BITWIDTH >::Params

Definition at line 215 of file gem5_to_tlm.hh.

Constructor & Destructor Documentation

Gem5ToTlmBridge()

template<unsigned int BITWIDTH>

sc_gem5::Gem5ToTlmBridge< BITWIDTH >::Gem5ToTlmBridge	(	const Params &	p,
		const sc_core::sc_module_name &	mn )

Definition at line 572 of file gem5_to_tlm.cc.

Member Function Documentation

before_end_of_elaboration()

template<unsigned int BITWIDTH>

void sc_gem5::Gem5ToTlmBridge< BITWIDTH >::before_end_of_elaboration ( )

overridevirtual

Reimplemented from sc_core::sc_module.

Definition at line 598 of file gem5_to_tlm.cc.

References sc_core::sc_module::before_end_of_elaboration(), sc_gem5::Gem5ToTlmBridge< BITWIDTH >::invalidate_direct_mem_ptr(), and sc_gem5::Gem5ToTlmBridge< BITWIDTH >::nb_transport_bw().

gem5_getPort()

template<unsigned int BITWIDTH>

gem5::Port & sc_gem5::Gem5ToTlmBridge< BITWIDTH >::gem5_getPort ( const std::string & if_name, int idx = -1 )

overridevirtual

Reimplemented from sc_core::sc_module.

Definition at line 586 of file gem5_to_tlm.cc.

References sc_core::sc_module::gem5_getPort().

getAddrRanges()

template<unsigned int BITWIDTH>

gem5::AddrRangeList sc_gem5::Gem5ToTlmBridge< BITWIDTH >::getAddrRanges ( ) const

inlineprotected

Definition at line 203 of file gem5_to_tlm.hh.

References sc_gem5::Gem5ToTlmBridge< BITWIDTH >::addrRanges.

getBackdoor()

template<unsigned int BITWIDTH>

MemBackdoorPtr sc_gem5::Gem5ToTlmBridge< BITWIDTH >::getBackdoor ( tlm::tlm_generic_payload & trans )

protected

Definition at line 269 of file gem5_to_tlm.cc.

References tlm::tlm_generic_payload::get_address(), tlm::tlm_generic_payload::get_data_length(), tlm::tlm_dmi::get_dmi_ptr(), tlm::tlm_dmi::get_end_address(), tlm::tlm_dmi::get_start_address(), tlm::tlm_dmi::is_read_allowed(), tlm::tlm_dmi::is_write_allowed(), gem5::MemBackdoor::NoAccess, and gem5::MipsISA::r.

getSocket()

template<unsigned int BITWIDTH>

tlm_utils::simple_initiator_socket< Gem5ToTlmBridge< BITWIDTH >, BITWIDTH > & sc_gem5::Gem5ToTlmBridge< BITWIDTH >::getSocket ( )

inline

Definition at line 219 of file gem5_to_tlm.hh.

References sc_gem5::Gem5ToTlmBridge< BITWIDTH >::socket.

invalidate_direct_mem_ptr()

template<unsigned int BITWIDTH>

void sc_gem5::Gem5ToTlmBridge< BITWIDTH >::invalidate_direct_mem_ptr ( sc_dt::uint64 start_range, sc_dt::uint64 end_range )

protected

Definition at line 555 of file gem5_to_tlm.cc.

References gem5::MipsISA::r.

Referenced by sc_gem5::Gem5ToTlmBridge< BITWIDTH >::before_end_of_elaboration().

nb_transport_bw()

template<unsigned int BITWIDTH>

tlm::tlm_sync_enum sc_gem5::Gem5ToTlmBridge< BITWIDTH >::nb_transport_bw ( tlm::tlm_generic_payload & trans, tlm::tlm_phase & phase, sc_core::sc_time & t )

protected

Definition at line 543 of file gem5_to_tlm.cc.

References gem5::curTick(), gem5::MipsISA::event, sc_gem5::getPriorityOfTlmPhase(), gem5::X86ISA::system, tlm::TLM_ACCEPTED, and sc_core::sc_time::value().

Referenced by sc_gem5::Gem5ToTlmBridge< BITWIDTH >::before_end_of_elaboration().

pec()

template<unsigned int BITWIDTH>

void sc_gem5::Gem5ToTlmBridge< BITWIDTH >::pec ( tlm::tlm_generic_payload & trans, const tlm::tlm_phase & phase )

protected

Definition at line 218 of file gem5_to_tlm.cc.

References tlm::BEGIN_RESP, tlm::END_REQ, tlm::END_RESP, gem5::Packet::isResponse(), gem5::Packet::needsResponse(), tlm::tlm_generic_payload::release(), sc_assert, sc_core::SC_ZERO_TIME, and sc_gem5::setPacketResponse().

recvAtomic()

template<unsigned int BITWIDTH>

Tick sc_gem5::Gem5ToTlmBridge< BITWIDTH >::recvAtomic ( gem5::PacketPtr packet )

protected

Definition at line 301 of file gem5_to_tlm.cc.

References gem5::Packet::cacheResponding(), gem5::Packet::needsResponse(), sc_gem5::packet2payload(), panic_if, sc_core::SC_ZERO_TIME, sc_gem5::setPacketResponse(), tlm::TLM_IGNORE_COMMAND, and sc_core::sc_time::value().

recvAtomicBackdoor()

template<unsigned int BITWIDTH>

Tick sc_gem5::Gem5ToTlmBridge< BITWIDTH >::recvAtomicBackdoor ( gem5::PacketPtr pkt, gem5::MemBackdoorPtr & backdoor )

protected

Definition at line 326 of file gem5_to_tlm.cc.

References gem5::Packet::cacheResponding(), gem5::Packet::makeResponse(), gem5::Packet::needsResponse(), sc_gem5::packet2payload(), panic_if, sc_core::SC_ZERO_TIME, tlm::TLM_IGNORE_COMMAND, and sc_core::sc_time::value().

recvFunctional()

template<unsigned int BITWIDTH>

void sc_gem5::Gem5ToTlmBridge< BITWIDTH >::recvFunctional ( gem5::PacketPtr packet )

protected

Definition at line 501 of file gem5_to_tlm.cc.

References sc_gem5::packet2payload(), and SC_REPORT_FATAL.

recvFunctionalSnoop()

template<unsigned int BITWIDTH>

void sc_gem5::Gem5ToTlmBridge< BITWIDTH >::recvFunctionalSnoop ( gem5::PacketPtr packet )

protected

Definition at line 360 of file gem5_to_tlm.cc.

References SC_REPORT_FATAL.

recvMemBackdoorReq()

template<unsigned int BITWIDTH>

void sc_gem5::Gem5ToTlmBridge< BITWIDTH >::recvMemBackdoorReq ( const gem5::MemBackdoorReq & req, gem5::MemBackdoorPtr & backdoor )

protected

Definition at line 518 of file gem5_to_tlm.cc.

References tlm::tlm_generic_payload::acquire(), mm::allocate(), gem5::MemBackdoorReq::range(), gem5::MemBackdoorReq::readable(), tlm::tlm_generic_payload::release(), tlm::tlm_generic_payload::set_address(), tlm::tlm_generic_payload::set_command(), tlm::tlm_generic_payload::set_data_length(), tlm::tlm_generic_payload::set_data_ptr(), tlm::tlm_generic_payload::set_streaming_width(), gem5::AddrRange::size(), gem5::AddrRange::start(), tlm::TLM_IGNORE_COMMAND, tlm::TLM_READ_COMMAND, tlm::TLM_WRITE_COMMAND, and gem5::MemBackdoorReq::writeable().

recvRespRetry()

template<unsigned int BITWIDTH>

void sc_gem5::Gem5ToTlmBridge< BITWIDTH >::recvRespRetry ( )

protected

Definition at line 475 of file gem5_to_tlm.cc.

References tlm::END_RESP, tlm::tlm_generic_payload::release(), sc_assert, and sc_core::SC_ZERO_TIME.

recvTimingReq()

template<unsigned int BITWIDTH>

bool sc_gem5::Gem5ToTlmBridge< BITWIDTH >::recvTimingReq ( gem5::PacketPtr packet )

protected

Definition at line 370 of file gem5_to_tlm.cc.

References tlm::BEGIN_REQ, tlm::BEGIN_RESP, gem5::Packet::cacheResponding(), gem5::curTick(), tlm::END_REQ, tlm::END_RESP, gem5::MipsISA::event, sc_core::sc_time::from_value(), sc_gem5::getPriorityOfTlmPhase(), gem5::Packet::headerDelay, sc_gem5::packet2payload(), panic_if, gem5::Packet::payloadDelay, sc_assert, gem5::ArmISA::status, gem5::X86ISA::system, tlm::TLM_ACCEPTED, tlm::TLM_COMPLETED, and tlm::TLM_UPDATED.

recvTimingSnoopResp()

template<unsigned int BITWIDTH>

bool sc_gem5::Gem5ToTlmBridge< BITWIDTH >::recvTimingSnoopResp ( gem5::PacketPtr packet )

protected

Definition at line 458 of file gem5_to_tlm.cc.

References SC_REPORT_FATAL.

tryTiming()

template<unsigned int BITWIDTH>

bool sc_gem5::Gem5ToTlmBridge< BITWIDTH >::tryTiming ( gem5::PacketPtr packet )

protected

Definition at line 468 of file gem5_to_tlm.cc.

References panic.

Member Data Documentation

addrRanges

template<unsigned int BITWIDTH>

gem5::AddrRangeList sc_gem5::Gem5ToTlmBridge< BITWIDTH >::addrRanges

private

Definition at line 183 of file gem5_to_tlm.hh.

Referenced by sc_gem5::Gem5ToTlmBridge< BITWIDTH >::getAddrRanges().

backdoorMap

template<unsigned int BITWIDTH>

gem5::AddrRangeMap<gem5::MemBackdoorPtr> sc_gem5::Gem5ToTlmBridge< BITWIDTH >::backdoorMap

protected

Definition at line 189 of file gem5_to_tlm.hh.

blockingRequest

template<unsigned int BITWIDTH>

tlm::tlm_generic_payload* sc_gem5::Gem5ToTlmBridge< BITWIDTH >::blockingRequest

private

A transaction after BEGIN_REQ has been sent but before END_REQ, which is blocking the request channel (Exlusion Rule, see IEEE1666)

Definition at line 163 of file gem5_to_tlm.hh.

blockingResponse

template<unsigned int BITWIDTH>

tlm::tlm_generic_payload* sc_gem5::Gem5ToTlmBridge< BITWIDTH >::blockingResponse

private

A response which has been asked to retry by gem5 and so is blocking the response channel.

Definition at line 175 of file gem5_to_tlm.hh.

bridgeResponsePort

template<unsigned int BITWIDTH>

BridgeResponsePort sc_gem5::Gem5ToTlmBridge< BITWIDTH >::bridgeResponsePort

private

Definition at line 152 of file gem5_to_tlm.hh.

needToSendRequestRetry

template<unsigned int BITWIDTH>

bool sc_gem5::Gem5ToTlmBridge< BITWIDTH >::needToSendRequestRetry

private

Did another gem5 request arrive while currently blocked? This variable is needed when a retry should happen.

Definition at line 169 of file gem5_to_tlm.hh.

packetMap

template<unsigned int BITWIDTH>

std::unordered_map<tlm::tlm_generic_payload *, gem5::PacketPtr> sc_gem5::Gem5ToTlmBridge< BITWIDTH >::packetMap

private

A map to record the association between payload and packet.

This helps us could get the correct packet when handling nonblocking interfaces.

Definition at line 181 of file gem5_to_tlm.hh.

socket

template<unsigned int BITWIDTH>

tlm_utils::simple_initiator_socket< Gem5ToTlmBridge<BITWIDTH>, BITWIDTH> sc_gem5::Gem5ToTlmBridge< BITWIDTH >::socket

private

Definition at line 154 of file gem5_to_tlm.hh.

Referenced by sc_gem5::Gem5ToTlmBridge< BITWIDTH >::getSocket().

system

template<unsigned int BITWIDTH>

gem5::System* sc_gem5::Gem5ToTlmBridge< BITWIDTH >::system

private

Definition at line 157 of file gem5_to_tlm.hh.

wrapper

template<unsigned int BITWIDTH>

sc_gem5::TlmInitiatorWrapper<BITWIDTH> sc_gem5::Gem5ToTlmBridge< BITWIDTH >::wrapper

private

Definition at line 155 of file gem5_to_tlm.hh.

---

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

• systemc/tlm_bridge/gem5_to_tlm.hh
• systemc/tlm_bridge/gem5_to_tlm.cc