| Line 54... |
Line 54... |
-- /* AXI Slave interface */
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-- /* AXI Slave interface */
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-- axiSlave_in:in tAxi4Transactor_m2s;
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-- axiSlave_in:in tAxi4Transactor_m2s;
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-- axiSlave_out:buffer tAxi4Transactor_s2m;
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-- axiSlave_out:buffer tAxi4Transactor_s2m;
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symbolsPerTransfer:in i_transactor.t_cnt;
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symbolsPerTransfer:in i_transactor.t_cnt;
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outstandingTransactions:buffer i_transactor.t_cnt
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outstandingTransactions:in i_transactor.t_cnt
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/* Debug ports. */
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/* Debug ports. */
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-- dbg_cnt:out unsigned(9 downto 0);
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-- dbg_cnt:out unsigned(9 downto 0);
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-- dbg_axiRxFsm:out axiBfmStatesRx:=idle;
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-- dbg_axiRxFsm:out axiBfmStatesRx:=idle;
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-- dbg_axiTxFsm:out axiBfmStatesTx:=idle
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-- dbg_axiTxFsm:out axiBfmStatesTx:=idle
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| Line 74... |
Line 74... |
/* BFM signalling. */
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/* BFM signalling. */
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signal i_readRequest,i_writeRequest:i_transactor.t_bfm:=(address=>(others=>'X'),message=>(others=>'X'),trigger=>false);
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signal i_readRequest,i_writeRequest:i_transactor.t_bfm:=(address=>(others=>'X'),message=>(others=>'X'),trigger=>false);
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signal i_readResponse,i_writeResponse:i_transactor.t_bfm;
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signal i_readResponse,i_writeResponse:i_transactor.t_bfm;
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begin
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begin
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/* Transaction counter. */
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process(n_areset,symbolsPerTransfer,aclk) is begin
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if not n_areset then outstandingTransactions<=symbolsPerTransfer;
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elsif falling_edge(aclk) then
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if outstandingTransactions<1 then
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outstandingTransactions<=symbolsPerTransfer;
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report "No more pending transactions." severity note;
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elsif axiMaster_in.tReady then outstandingTransactions<=outstandingTransactions-1;
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end if;
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end if;
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end process;
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/* next-state logic for AXI4-Stream Master Tx BFM. */
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/* next-state logic for AXI4-Stream Master Tx BFM. */
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axi_bfmTx_ns: process(all) is begin
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axi_bfmTx_ns: process(all) is begin
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axiTxState<=next_axiTxState;
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axiTxState<=next_axiTxState;
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if not n_areset then axiTxState<=idle;
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if not n_areset then axiTxState<=idle;
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| Line 128... |
Line 116... |
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if axiMaster_in.tReady then
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if axiMaster_in.tReady then
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i_writeResponse.trigger<=true;
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i_writeResponse.trigger<=true;
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end if;
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end if;
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/* TODO change to a flag at user.vhdl. Move outstandingTransactions to user.vhdl. */
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if outstandingTransactions<1 then i_axiMaster_out.tLast<=true; end if;
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if outstandingTransactions<1 then i_axiMaster_out.tLast<=true; end if;
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when others=> null;
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when others=> null;
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end case;
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end case;
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end process axi_bfmTx_op;
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end process axi_bfmTx_op;
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