sim: Split PkgRfnocBlockCtrlBfm into separate packages

Original-commit: 369594ef16d7b2d519940269d2af035cfe648f50
2020-03-09 13:43:05 -05:00
parent 6bea1f8222
commit 1db22ce4ec
5 changed files with 418 additions and 400 deletions
@@ -0,0 +1,125 @@
+//
+// Copyright 2020 Ettus Research, A National Instruments Company
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+//
+// Module: PkgCtrlIfaceBfm
+//
+// Description: This package includes high-level bus functional models (BFM)
+// for the AXIS-Ctrl interface of a Stream Endpoint.
+//
+
+
+package PkgCtrlIfaceBfm;
+
+  import PkgChdrUtils::*;
+  import PkgAxisCtrlBfm::*;
+
+
+  class CtrlIfaceBfm extends AxisCtrlBfm;
+    ctrl_port_t    dst_port;
+    ctrl_port_t    src_port;
+    ctrl_seq_num_t seq_num;
+
+    // Class constructor to create a new BFM instance.
+    //
+    //   m_chdr:    Interface for the master connection (BFM's AXIS output)
+    //   s_chdr:    Interface for the slave connection (BFM's AXIS input)
+    //   src_port:  Source port to use in generated control packets
+    //
+    function new(
+      virtual AxiStreamIf #(32).master m_chdr,
+      virtual AxiStreamIf #(32).slave  s_chdr,
+      ctrl_port_t dst_port,
+      ctrl_port_t src_port
+    );
+      super.new(m_chdr, s_chdr);
+      this.dst_port = dst_port;
+      this.src_port = src_port;
+      this.seq_num  = '0;
+    endfunction : new
+
+
+    // Send an AXIS-Ctrl read request packet and get the response.
+    //
+    //   addr:       Address for the read request
+    //   word:       Data word that was returned in response to the read
+    //
+    task reg_read (
+      input  ctrl_address_t addr,
+      output ctrl_word_t    word
+    );
+      AxisCtrlPacket ctrl_packet;
+
+      // Create the AXIS-Ctrl packet
+      ctrl_packet = new();
+      ctrl_packet.header = '{
+        seq_num  : seq_num++,
+        num_data : 1,
+        src_port : src_port,
+        dst_port : dst_port,
+        default  : 0
+      };
+      ctrl_packet.op_word = '{
+        op_code     : CTRL_OP_READ,
+        byte_enable : ~0,
+        address     : addr,
+        default     : 0
+      };
+      ctrl_packet.data = { 0 };
+
+      // Send the control packet and get the response
+      put_ctrl(ctrl_packet);
+      get_ctrl(ctrl_packet);
+      word = ctrl_packet.data[0];
+
+      assert(ctrl_packet.header.is_ack == 1 &&
+             ctrl_packet.op_word.status == CTRL_STS_OKAY) else begin
+        $fatal(1, "CtrlIfaceBfm::reg_read: Did not receive CTRL_STS_OKAY status");
+      end
+    endtask : reg_read
+
+
+    // Send an AXIS-Ctrl write request packet and get the response.
+    //
+    //   addr:       Address for the write request
+    //   word:       Data word to write
+    //
+    task reg_write (
+      ctrl_address_t addr,
+      ctrl_word_t    word
+    );
+      AxisCtrlPacket ctrl_packet;
+
+      // Create the AXIS-Ctrl packet
+      ctrl_packet = new();
+      ctrl_packet.header = '{
+        seq_num  : seq_num++,
+        num_data : 1,
+        src_port : src_port,
+        dst_port : dst_port,
+        default  : 0
+      };
+      ctrl_packet.op_word = '{
+        op_code     : CTRL_OP_WRITE,
+        byte_enable : ~0,
+        address     : addr,
+        default     : 0
+      };
+
+      // Send the packet and get the response
+      ctrl_packet.data = { word };
+      put_ctrl(ctrl_packet);
+      get_ctrl(ctrl_packet);
+      word = ctrl_packet.data[0];
+
+      assert(ctrl_packet.header.is_ack == 1 &&
+             ctrl_packet.op_word.status == CTRL_STS_OKAY) else begin
+        $fatal(1, "CtrlIfaceBfm::reg_write: Did not receive CTRL_STS_OKAY status");
+      end
+    endtask : reg_write
+
+  endclass : CtrlIfaceBfm
+
+
+endpackage : PkgCtrlIfaceBfm