SocLib Components General Index

VciSimpleRingFast

1) Functional Description

This hardware component is a VCI compliant ring, implemented as a combinational daisy-chain and well suited for FPGA implementations.

Policy arbitration uses a circulating token which allows the wrappers to access the ring in a round-robin fashion.

2) Component definition & usage

source:trunk/soclib/soclib/module/network_component/vci_simple_ring_fast/caba/metadata/vci_simple_ring_fast.sd​

3) CABA implementation

CABA sources

• interface : source:trunk/soclib/soclib/module/network_component/vci_simple_ring_fast/caba/source/include/vci_simple_ring_fast.h​
• implementation : source:trunk/soclib/soclib/module/network_component/vci_simple_ring_fast/caba/source/src/vci_simple_ring_fast.cpp​

CABA Constructor parameters

VciSimpleRingNetwork( sc_module_name insname,                    // instance name
                         const soclib::common::MappingTable &mt, // mapping table
                         const soclib::common::IntTab &ringid,   // global subsystem index
                         const int &wrapper_fifo_depth,          // wrapper fifo depth 
                         int nb_attached_initiator,              // number of VCI initiators
                         int nb_attached_target);                // number of VCI targets

CABA ports

• sc_in<bool> p_clk; Global system clock
• sc_in<bool> p_resetn; Global system reset
• soclib::caba::VciInitiator<vci_param>* p_to_target; Ports to VCI targets
• soclib::caba::VciTarget<vci_param> * p_to_initiator; Ports to VCI initiators

4) TLMT implementation

The TLM-T implementation is not available yet.