scc  2022.4.0
SystemC components library
axi::pe::simple_axi_initiator< BUSWIDTH, TYPES, N, POL > Class Template Reference

#include <simple_initiator.h>

Inheritance diagram for axi::pe::simple_axi_initiator< BUSWIDTH, TYPES, N, POL >:
Collaboration diagram for axi::pe::simple_axi_initiator< BUSWIDTH, TYPES, N, POL >:

Public Types

using base = simple_initiator_b
 
using payload_type = base::payload_type
 
using phase_type = base::phase_type
 
- Public Types inherited from axi::pe::simple_initiator_b
using payload_type = axi::axi_protocol_types::tlm_payload_type
 
using phase_type = axi::axi_protocol_types::tlm_phase_type
 

Public Member Functions

 simple_axi_initiator (const sc_core::sc_module_name &nm, axi::axi_initiator_socket< BUSWIDTH, TYPES, N, POL > &socket_)
 the constructor More...
 
 simple_axi_initiator (simple_axi_initiator const &)=delete
 
 simple_axi_initiator (simple_axi_initiator &&)=delete
 
simple_axi_initiatoroperator= (simple_axi_initiator const &)=delete
 
simple_axi_initiatoroperator= (simple_axi_initiator &&)=delete
 
tlm::tlm_sync_enum nb_transport_bw (payload_type &trans, phase_type &phase, sc_core::sc_time &t) override
 forwarding function to the base class (due to inheritance) More...
 
void invalidate_direct_mem_ptr (sc_dt::uint64 start_range, sc_dt::uint64 end_range) override
 forwarding function to the base class (due to inheritance) More...
 
- Public Member Functions inherited from axi::pe::simple_initiator_b
void b_snoop (payload_type &trans, sc_core::sc_time &t)
 
tlm::tlm_sync_enum nb_transport_bw (payload_type &trans, phase_type &phase, sc_core::sc_time &t)
 
void invalidate_direct_mem_ptr (sc_dt::uint64 start_range, sc_dt::uint64 end_range)
 
void set_clock_period (sc_core::sc_time clk_period)
 
size_t get_transferwith_in_bytes () const
 
void transport (payload_type &trans, bool blocking) override
 The forward transport function. It behaves blocking and is re-entrant. More...
 
void set_snoop_cb (std::function< unsigned(payload_type &trans)> cb)
 Set the snoop callback function. More...
 
void snoop_resp (payload_type &trans, bool sync=false) override
 triggers a non-blocking snoop response if the snoop callback does not do so. More...
 
void add_protocol_cb (axi::fsm::protocol_time_point_e e, std::function< void(payload_type &, bool)> cb)
 register a callback for a certain time point More...
 

Additional Inherited Members

- Public Attributes inherited from axi::pe::simple_initiator_b
sc_core::sc_in< bool > clk_i {"clk_i"}
 
sc_core::sc_export< tlm::scc::pe::intor_fw_bfw_i {"fw_i"}
 
sc_core::sc_port< tlm::scc::pe::intor_bw_b, 1, sc_core::SC_ZERO_OR_MORE_BOUND > bw_o {"bw_o"}
 
sc_core::sc_attribute< unsigned > wr_data_beat_delay {"wr_data_beat_delay", 0}
 the latency between between END(_PARTIAL)_REQ and BEGIN(_PARTIAL)_REQ (AWREADY to AWVALID and WREADY to WVALID)
 
sc_core::sc_attribute< unsigned > rd_data_accept_delay {"rd_data_accept_delay", 0}
 the latency between between BEGIN(_PARTIAL)_RESP and END(_PARTIAL)_RESP (RVALID to RREADY)
 
sc_core::sc_attribute< unsigned > wr_resp_accept_delay {"wr_resp_accept_delay", 0}
 the latency between between BEGIN_RESP and END_RESP (BVALID to BREADY)
 
sc_core::sc_attribute< unsigned > ack_resp_delay {"ack_resp_delay", 0}
 the latency between between BEGIN_RESP and END_RESP (BVALID to BREADY)
 
unsigned snoop_latency {1}
 the default snoop latency between request and response phase. Will be overwritten by the return of the callback function (if registered) More...
 
- Protected Types inherited from axi::fsm::base
using payload_type = axi::axi_protocol_types::tlm_payload_type
 aliases used in the class
 
using phase_type = axi::axi_protocol_types::tlm_phase_type
 
- Protected Member Functions inherited from axi::pe::simple_initiator_b
 simple_initiator_b (const sc_core::sc_module_name &nm, sc_core::sc_port_b< axi::axi_fw_transport_if< axi_protocol_types >> &port, size_t transfer_width, bool coherent=false)
 
 simple_initiator_b (simple_initiator_b const &)=delete
 
 simple_initiator_b (simple_initiator_b &&)=delete
 
simple_initiator_boperator= (simple_initiator_b const &)=delete
 
simple_initiator_boperator= (simple_initiator_b &&)=delete
 
void fsm_clk_method ()
 
axi::fsm::fsm_handlecreate_fsm_handle () override
 
void setup_callbacks (axi::fsm::fsm_handle *) override
 
void process_snoop_resp ()
 
void end_of_elaboration () override
 
void cbpeq_cb ()
 
- Protected Member Functions inherited from axi::fsm::base
 base (size_t transfer_width, bool coherent=false, axi::fsm::protocol_time_point_e wr_start=axi::fsm::RequestPhaseBeg)
 the constructor More...
 
virtual ~base ()
 the destructor
 
tlm::tlm_sync_enum nb_fw (payload_type &trans, phase_type const &phase, sc_core::sc_time &t)
 triggers the FSM based on TLM phases in the forward path. Should be called from np_transport_fw of the respective derived class More...
 
tlm::tlm_sync_enum nb_bw (payload_type &trans, phase_type const &phase, sc_core::sc_time &t)
 triggers the FSM based on TLM phases in the backward path. Should be called from np_transport_bw of the respective derived class More...
 
axi::fsm::fsm_handlefind_or_create (payload_type *gp=nullptr, bool ace=false)
 retrieve the FSM handle based on the transaction passed. If non exist one will be created More...
 
void process_fsm_event ()
 processes the fsm_event_queue and triggers FSM aligned
 
void process_fsm_clk_queue ()
 processes the fsm_clk_queue and triggers the FSM accordingly. Should be registered as rising-edge clock callback
 
void schedule (axi::fsm::protocol_time_point_e e, tlm::scc::tlm_gp_shared_ptr &gp, unsigned cycles)
 processes the fsm_sched_queue and propagates events to fsm_clk_queue. Should be registered as falling-edge clock callback
 
void schedule (axi::fsm::protocol_time_point_e e, payload_type *gp, unsigned cycles)
 
void schedule (axi::fsm::protocol_time_point_e e, tlm::scc::tlm_gp_shared_ptr &gp, sc_core::sc_time delay, bool syncronize=false)
 processes the fsm_sched_queue and propagates events to fsm_clk_queue. Should be registered as falling-edge clock callback
 
void schedule (axi::fsm::protocol_time_point_e e, payload_type *gp, sc_core::sc_time delay, bool syncronize=false)
 
void react (axi::fsm::protocol_time_point_e event, tlm::scc::tlm_gp_shared_ptr &trans)
 triggers the FSM with event and given transaction More...
 
void react (axi::fsm::protocol_time_point_e event, payload_type *trans)
 
void react (axi::fsm::protocol_time_point_e, axi::fsm::fsm_handle *)
 
- Protected Attributes inherited from axi::pe::simple_initiator_b
unsigned thread_avail {0}
 
unsigned thread_active {0}
 
sc_core::sc_fifo< tlm::scc::tlm_gp_shared_ptrdispatch_queue {"dispatch_queue"}
 
sc_core::sc_port_b< axi::axi_fw_transport_if< axi_protocol_types > > & socket_fw
 
std::deque< fsm::fsm_handle * > idle_proc
 
::scc::ordered_semaphore rd {1}
 
::scc::ordered_semaphore wr {1}
 
::scc::ordered_semaphore snp {1}
 
::scc::fifo_w_cb< std::tuple< axi::fsm::protocol_time_point_e, payload_type *, unsigned > > snp_resp_queue
 
sc_core::sc_process_handle snp_resp_queue_hndl
 
sc_core::sc_time clk_period {1, sc_core::SC_NS}
 
std::function< unsigned(payload_type &trans)> snoop_cb
 
std::array< std::function< void(payload_type &, bool)>, axi::fsm::CB_CNT > protocol_cb
 
sc_core::sc_clock * clk_if {nullptr}
 
scc::peq< std::tuple< axi::fsm::protocol_time_point_e, tlm::scc::tlm_gp_shared_ptr, bool > > cbpeq
 
- Protected Attributes inherited from axi::fsm::base
::scc::peq< std::tuple< axi::fsm::protocol_time_point_e, payload_type *, bool > > fsm_event_queue
 
::scc::fifo_w_cb< std::tuple< axi::fsm::protocol_time_point_e, payload_type *, unsigned > > fsm_clk_queue
 
sc_core::sc_process_handle fsm_clk_queue_hndl
 
size_t transfer_width_in_bytes
 
const axi::fsm::protocol_time_point_e wr_start
 
const bool coherent
 
std::unordered_map< payload_type *, axi::fsm::fsm_handle * > active_fsm
 
std::deque< axi::fsm::fsm_handle * > idle_fsm
 
std::vector< std::unique_ptr< axi::fsm::fsm_handle > > allocated_fsm
 
std::string instance_name
 
sc_core::sc_event finish_evt
 

Detailed Description

template<unsigned int BUSWIDTH = 32, typename TYPES = axi::axi_protocol_types, int N = 1, sc_core::sc_port_policy POL = sc_core::SC_ONE_OR_MORE_BOUND>
class axi::pe::simple_axi_initiator< BUSWIDTH, TYPES, N, POL >

the AXI initiator socket protocol engine adapted to a particular initiator socket configuration

Definition at line 180 of file simple_initiator.h.

Constructor & Destructor Documentation

◆ simple_axi_initiator()

template<unsigned int BUSWIDTH = 32, typename TYPES = axi::axi_protocol_types, int N = 1, sc_core::sc_port_policy POL = sc_core::SC_ONE_OR_MORE_BOUND>
axi::pe::simple_axi_initiator< BUSWIDTH, TYPES, N, POL >::simple_axi_initiator ( const sc_core::sc_module_name &  nm,
axi::axi_initiator_socket< BUSWIDTH, TYPES, N, POL > &  socket_ 
)
inline

the constructor

Parameters
socketreference to the initiator socket used to send and receive transactions

Definition at line 190 of file simple_initiator.h.

Member Function Documentation

◆ invalidate_direct_mem_ptr()

template<unsigned int BUSWIDTH = 32, typename TYPES = axi::axi_protocol_types, int N = 1, sc_core::sc_port_policy POL = sc_core::SC_ONE_OR_MORE_BOUND>
void axi::pe::simple_axi_initiator< BUSWIDTH, TYPES, N, POL >::invalidate_direct_mem_ptr ( sc_dt::uint64  start_range,
sc_dt::uint64  end_range 
)
inlineoverride

forwarding function to the base class (due to inheritance)

Parameters
start_range
end_range

Definition at line 222 of file simple_initiator.h.

◆ nb_transport_bw()

template<unsigned int BUSWIDTH = 32, typename TYPES = axi::axi_protocol_types, int N = 1, sc_core::sc_port_policy POL = sc_core::SC_ONE_OR_MORE_BOUND>
tlm::tlm_sync_enum axi::pe::simple_axi_initiator< BUSWIDTH, TYPES, N, POL >::nb_transport_bw ( payload_type trans,
phase_type &  phase,
sc_core::sc_time &  t 
)
inlineoverride

forwarding function to the base class (due to inheritance)

Parameters
trans
phase
t
Returns

Definition at line 214 of file simple_initiator.h.


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