Class simtix::CoalescingLoadStoreUnit

ClassList > simtix > CoalescingLoadStoreUnit

Inherits the following classes: simtix::BaseLoadStoreUnit, simtix::sim::Clocked

Classes

Type	Name
struct	CoreRequest
struct	MemRequest

Public Types inherited from simtix::BaseLoadStoreUnit

See simtix::BaseLoadStoreUnit

Type	Name
typedef mem::MemoryInterface::OnResp	OnResp
typedef mem::MemoryInterface::Payload	Payload
typedef mem::MemoryInterface::RespStatus	RespStatus

Public Functions

Type	Name
virtual bool	Busy () override
	CoalescingLoadStoreUnit (const std::string & name, const ArchParam & p, const pipelined::PipelinedSM::Param & pp)
virtual std::optional< InstrPtr >	Get () override
virtual void	PushReadRequest (uint32_t tid, Payload payload, OnResp on_resp) override
virtual void	PushWriteRequest (uint32_t tid, Payload payload, OnResp on_resp) override
virtual bool	Put (InstrPtr instr) override
	~CoalescingLoadStoreUnit ()

Public Functions inherited from simtix::BaseLoadStoreUnit

See simtix::BaseLoadStoreUnit

Type	Name
virtual void	AttachDMem (mem::MemoryInterface * dmem_port)
	BaseLoadStoreUnit (const std::string & name, const ArchParam & p=kDefaultArchParam)
virtual void	PushReadRequest (uint32_t tid, Payload payload, OnResp on_resp) = 0
virtual void	PushWriteRequest (uint32_t tid, Payload payload, OnResp on_resp) = 0

Public Functions inherited from simtix::BaseFunctionUnit

See simtix::BaseFunctionUnit

Type	Name
virtual bool	Busy () = 0
virtual std::optional< InstrPtr >	Get () = 0
virtual bool	Put (InstrPtr instr) = 0
virtual	~BaseFunctionUnit () = default

Public Functions inherited from simtix::sim::Clocked

See simtix::sim::Clocked

Type	Name
	Clocked (const std::string & name, TickPri pri=kDefaultPri) Constructor for clocled.
const std::string &	name () const Get the name of the clocked object.
virtual	~Clocked ()

Protected Attributes

Type	Name
std::vector< CoreRequest >	core_req_buf_
bool	is_write_
const size_t	kCoalescingGranularity
const uint32_t	kMemPorts
std::vector< uint8_t >	line_buf_
std::vector< MemRequest >	mem_req_buf_
std::vector< sim::SizedQueue< MemRequest > >	mem_req_queues_
sim::SizedQueue< InstrPtr >	pending_instrs_
sim::SizedQueue< InstrPtr >	response_instrs_
std::vector< uint8_t >	strb_buf_
uint32_t	wid_

Protected Attributes inherited from simtix::BaseLoadStoreUnit

See simtix::BaseLoadStoreUnit

Type	Name
mem::MemoryInterface *	dmem_port_ = nullptr

Protected Attributes inherited from simtix::sim::Clocked

See simtix::sim::Clocked

Type	Name
std::string	name_
TickPri	pri_

Protected Static Attributes inherited from simtix::sim::Clocked

See simtix::sim::Clocked

Type	Name
bool	busy_ = true
std::map< TickPri, std::vector< Clocked * > >	clocked_objs_map_
uint64_t	cur_tick_ = 0

Protected Functions

Type	Name
void	AcceptCoreRequests ()
void	Coalesce ()
uint8_t *	GetLineBuffer (uint32_t bank_id)
uint8_t *	GetStrbBuffer (uint32_t bank_id)
void	HandleReadRequests ()
void	HandleWriteRequests ()
virtual bool	HasPendingTasks () override Checks if any registered clocked objects have pending tasks at the current tick.
void	PushCoreRequest (uint32_t tid, Payload payload, OnResp on_resp, bool is_write)
virtual void	Tick () override Global tick function that advances the simulation by one cycle.
uint64_t	ToLineAddr (uint64_t addr)
uint64_t	ToLineOffset (uint64_t addr)

Protected Functions inherited from simtix::sim::Clocked

See simtix::sim::Clocked

Type	Name
virtual bool	HasPendingTasks () = 0 Checks if any registered clocked objects have pending tasks at the current tick.
virtual void	Tick () = 0 Global tick function that advances the simulation by one cycle.

Protected Static Functions inherited from simtix::sim::Clocked

See simtix::sim::Clocked

Type	Name
void	Register (Clocked * c) Register a clocked object to participate in tick-driven simulation.
void	Unregister (Clocked * c) Unregister a clocked object from tick-driven simulation.

Public Functions Documentation

function Busy

virtual bool simtix::CoalescingLoadStoreUnit::Busy () override

Implements simtix::BaseFunctionUnit::Busy

---

function CoalescingLoadStoreUnit

explicit simtix::CoalescingLoadStoreUnit::CoalescingLoadStoreUnit (
    const std::string & name,
    const ArchParam & p,
    const pipelined::PipelinedSM::Param & pp
) 

---

function Get

virtual std::optional< InstrPtr > simtix::CoalescingLoadStoreUnit::Get () override

Implements simtix::BaseFunctionUnit::Get

---

function PushReadRequest

virtual void simtix::CoalescingLoadStoreUnit::PushReadRequest (
    uint32_t tid,
    Payload payload,
    OnResp on_resp
) override

Implements simtix::BaseLoadStoreUnit::PushReadRequest

---

function PushWriteRequest

virtual void simtix::CoalescingLoadStoreUnit::PushWriteRequest (
    uint32_t tid,
    Payload payload,
    OnResp on_resp
) override

Implements simtix::BaseLoadStoreUnit::PushWriteRequest

---

function Put

virtual bool simtix::CoalescingLoadStoreUnit::Put (
    InstrPtr instr
) override

Implements simtix::BaseFunctionUnit::Put

---

function ~CoalescingLoadStoreUnit

simtix::CoalescingLoadStoreUnit::~CoalescingLoadStoreUnit () 

---

Protected Attributes Documentation

variable core_req_buf_

std::vector<CoreRequest> simtix::CoalescingLoadStoreUnit::core_req_buf_;

---

variable is_write_

bool simtix::CoalescingLoadStoreUnit::is_write_;

---

variable kCoalescingGranularity

const size_t simtix::CoalescingLoadStoreUnit::kCoalescingGranularity;

---

variable kMemPorts

const uint32_t simtix::CoalescingLoadStoreUnit::kMemPorts;

---

variable line_buf_

std::vector<uint8_t> simtix::CoalescingLoadStoreUnit::line_buf_;

---

variable mem_req_buf_

std::vector<MemRequest> simtix::CoalescingLoadStoreUnit::mem_req_buf_;

---

variable mem_req_queues_

std::vector<sim::SizedQueue<MemRequest> > simtix::CoalescingLoadStoreUnit::mem_req_queues_;

---

variable pending_instrs_

sim::SizedQueue<InstrPtr> simtix::CoalescingLoadStoreUnit::pending_instrs_;

---

variable response_instrs_

sim::SizedQueue<InstrPtr> simtix::CoalescingLoadStoreUnit::response_instrs_;

---

variable strb_buf_

std::vector<uint8_t> simtix::CoalescingLoadStoreUnit::strb_buf_;

---

variable wid_

uint32_t simtix::CoalescingLoadStoreUnit::wid_;

---

Protected Functions Documentation

function AcceptCoreRequests

void simtix::CoalescingLoadStoreUnit::AcceptCoreRequests () 

---

function Coalesce

void simtix::CoalescingLoadStoreUnit::Coalesce () 

---

function GetLineBuffer

inline uint8_t * simtix::CoalescingLoadStoreUnit::GetLineBuffer (
    uint32_t bank_id
) 

---

function GetStrbBuffer

inline uint8_t * simtix::CoalescingLoadStoreUnit::GetStrbBuffer (
    uint32_t bank_id
) 

---

function HandleReadRequests

void simtix::CoalescingLoadStoreUnit::HandleReadRequests () 

---

function HandleWriteRequests

void simtix::CoalescingLoadStoreUnit::HandleWriteRequests () 

---

function HasPendingTasks

Checks if any registered clocked objects have pending tasks at the current tick.

virtual bool simtix::CoalescingLoadStoreUnit::HasPendingTasks () override

Returns:

True if there are pending tasks, false otherwise.

Implements simtix::sim::Clocked::HasPendingTasks

---

function PushCoreRequest

void simtix::CoalescingLoadStoreUnit::PushCoreRequest (
    uint32_t tid,
    Payload payload,
    OnResp on_resp,
    bool is_write
) 

---

function Tick

Global tick function that advances the simulation by one cycle.

virtual void simtix::CoalescingLoadStoreUnit::Tick () override

Call this function to drive all registered tick-driven objects.

Implements simtix::sim::Clocked::Tick

---

function ToLineAddr

inline uint64_t simtix::CoalescingLoadStoreUnit::ToLineAddr (
    uint64_t addr
) 

---

function ToLineOffset

inline uint64_t simtix::CoalescingLoadStoreUnit::ToLineOffset (
    uint64_t addr
) 

---

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The documentation for this class was generated from the following file projects/simtix/src/simtix/sm/fu/lsu/coalescing.h