Create axi3_slave_bfm.sv

AXI3 slave model with tasks. Tasks don't have bodies yet.

Author: muzafferkal

axi3_slave_bfm.sv

@@ -0,0 +1,152 @@
+// Copyright (C) 2015
+// Author [email protected] (Muzaffer Kal)
+// This module implements an AXI3 slave BFM
+
+module axi3_slave_bfm 
+  #(slave_name = "slave",
+    data_bus_width = 32,
+    address_bus_width = 32,
+    id_bus_width = 3, 
+    slave_base_address = 0,
+    slave_memory_size = 0,
+    max_outstanding_transactions = 4,
+    memory_model_mode = 0,
+    exclusive_access_supported = 0,
+    axi_rsp_width = 2,
+    axi_len_width = 4,
+    axi_qos_width = 4,
+    axi_lock_width = 2,
+    axi_size_width = 3,
+    axi_prot_width = 3,
+    axi_brst_width = 3,
+    axi_burst_len = 16,
+    max_burst_bytes_width = 8,
+    max_wr_outstanding_transactions = 8,
+    axi_brst_type_width = 3,
+    axi_cache_width = 4
+  )
+  (
+    input                                   ACLK,
+    input                                   ARESETn,
+    output logic                            ARREADY,
+    output logic                            AWREADY,
+    output logic                            BVALID,
+    output logic                            RLAST,
+    output logic                            RVALID,
+    output logic                            WREADY,
+    output logic  [axi_rsp_width-1:0]       BRESP,
+    output logic  [axi_rsp_width-1:0]       RRESP,
+    output logic  [data_bus_width-1:0]      RDATA,
+    output logic  [id_bus_width-1:0]        BID,
+    output logic  [id_bus_width-1:0]        RID,
+    input                                   ARVALID,
+    input                                   AWVALID,
+    input                                   BREADY,
+    input                                   RREADY,
+    input                                   WLAST,
+    input                                   WVALID,
+    input         [axi_brst_type_width-1:0] ARBURST,
+    input         [axi_lock_width-1:0]      ARLOCK,
+    input         [axi_size_width-1:0]      ARSIZE,
+    input         [axi_brst_type_width-1:0] AWBURST,
+    input         [axi_lock_width-1:0]      AWLOCK,
+    input         [axi_size_width-1:0]      AWSIZE,
+    input         [axi_prot_width-1:0]      ARPROT,
+    input         [axi_prot_width-1:0]      AWPROT,
+    input         [address_bus_width-1:0]   ARADDR,
+    input         [address_bus_width-1:0]   AWADDR,
+    input         [data_bus_width-1:0]      WDATA,
+    input         [axi_cache_width-1:0]     ARCACHE,
+    input         [axi_cache_width-1:0]     ARLEN,
+    input         [axi_qos_width-1:0]       ARQOS,
+    input         [axi_cache_width-1:0]     AWCACHE,
+    input         [axi_len_width-1:0]       AWLEN,
+    input         [axi_qos_width-1:0]       AWQOS,
+    input         [(data_bus_width/8)-1:0]  WSTRB,
+    input         [id_bus_width-1:0]        ARID,
+    input         [id_bus_width-1:0]        AWID,
+    input         [id_bus_width-1:0]        WID
+  );
+  integer STOP_ON_ERROR;
+  integer RESPONSE_TIMEOUT;
+
+  assign ARREADY = 0;
+  assign AWREADY = 0;
+  assign BVALID = 0;
+  assign RLAST = 0;
+  assign RVALID = 0;
+  assign WREADY = 0;
+  assign BRESP = 0;
+  assign RRESP = 0;
+  assign RDATA = 0;
+  assign BID = 0;
+  assign RID = 0;
+
+  task set_stop_on_error;
+    input LEVEL;
+    begin
+      STOP_ON_ERROR = LEVEL;
+    end
+  endtask
+  task automatic set_channel_level_info;
+    input LEVEL;
+    $display("SLV: set_channel_level_info: %d", LEVEL);
+  endtask
+  task automatic set_function_level_info;
+    input LEVEL;
+    $display("SLV: set_function_level_info: %d", LEVEL);
+  endtask
+  task automatic set_disable_reset_value_checks;
+    input LEVEL;
+    $display("SLV: set_disable_reset_value_checks: %d", LEVEL);
+  endtask
+  task automatic RECEIVE_WRITE_ADDRESS;
+    input LEVEL;
+    input id_invalid;
+    input [address_bus_width-1:0] awaddr;
+    input [axi_len_width-1:0] awlen;
+    input [axi_size_width-1:0] awsize;
+    input [axi_brst_width-1:0] awbrst;
+    input [axi_lock_width-1:0] awlock;
+    input [axi_cache_width-1:0] awcache;
+    input [axi_prot_width-1:0] awprot;
+    input [id_bus_width-1:0] awid;
+    $display("SLV: RECEIVE_WRITE_ADDRESS: %d", LEVEL);
+  endtask
+  task automatic RECEIVE_READ_ADDRESS;
+    input LEVEL;
+    input id_invalid;
+    input [address_bus_width-1:0] araddr;
+    input [axi_len_width-1:0] arlen;
+    input [axi_size_width-1:0] arsize;
+    input [axi_brst_width-1:0] arbrst;
+    input [axi_lock_width-1:0] arlock;
+    input [axi_cache_width-1:0] arcache;
+    input [axi_prot_width-1:0] arprot;
+    input [id_bus_width-1:0] arid;
+    $display("SLV: RECEIVE_READ_ADDRESS %d", LEVEL);
+  endtask
+  task automatic RECEIVE_WRITE_BURST_NO_CHECKS;
+    input [id_bus_width-1:0] wid;
+    //output [(data_bus_width*axi_burst_len)-1:0] burst_data [0:max_wr_outstanding_transactions-1];
+    output [(max_wr_outstanding_transactions*data_bus_width*axi_burst_len)-1:0] burst_data;
+    //output [max_burst_bytes_width:0] burst_valid_bytes [0:max_wr_outstanding_transactions-1];
+    output [max_wr_outstanding_transactions*max_burst_bytes_width:0] burst_valid_bytes;
+    $display("SLV: RECEIVE_WRITE_BURST_NO_CHECKS: %d", wid);
+  endtask
+  task automatic SEND_WRITE_RESPONSE;
+    input [id_bus_width-1:0] wid;
+    output [axi_rsp_width-1:0] bresp;
+    $display("SLV: SEND_WRITE_RESPONSE: %d", wid);
+  endtask
+  task automatic SEND_READ_BURST_RESP_CTRL;
+    input [id_bus_width-1:0] arid;
+    input [address_bus_width-1:0] araddr;
+    input [axi_len_width-1:0] arlen;
+    input [axi_size_width-1:0] arsize;
+    input [axi_brst_width-1:0] arbrst;
+    input [axi_brst_width-1:0] data;
+    input [axi_brst_width-1:0] resp;
+    $display("SLV: SEND_READ_BURST_RESP_CTRL: %d", arid);
+  endtask
+endmodule