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/*
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/*
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* $gmii_rx_bfm.v
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* $gmii_rx_bfm.v
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*
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*
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* Copyright (c) 2012, BBY&HW. All rights reserved.
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* Copyright (c) 2012, BABY&HW. All rights reserved.
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*
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*
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* This library is free software; you can redistribute it and/or
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* version 2.1 of the License, or (at your option) any later version.
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gmii_rxclk_offset = 1'b0;
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gmii_rxclk_offset = 1'b0;
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forever #4 gmii_rxclk_offset = !gmii_rxclk_offset;
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forever #4 gmii_rxclk_offset = !gmii_rxclk_offset;
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end
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end
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assign #2 gmii_rxclk = gmii_rxclk_offset;
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assign #2 gmii_rxclk = gmii_rxclk_offset;
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integer feeder_file_rx, r_rx;
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integer feeder_file_rx, r_rx, s_rx;
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integer start_addr_rx, end_addr_rx;
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integer start_addr_rx, end_addr_rx;
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integer index_rx, num_rx;
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integer index_rx, num_rx;
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reg eof_rx;
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reg eof_rx;
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reg pcap_endian_rx;
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reg pcap_endian_rx;
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reg [31:0] pcap_4bytes_rx;
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reg [31:0] pcap_4bytes_rx;
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else
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else
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begin
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begin
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// test pcap file endian
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// test pcap file endian
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r_rx = $fread(pcap_4bytes_rx, feeder_file_rx);
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r_rx = $fread(pcap_4bytes_rx, feeder_file_rx);
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pcap_endian_rx = (pcap_4bytes_rx == 32'ha1b2c3d4)? 1:0;
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pcap_endian_rx = (pcap_4bytes_rx == 32'ha1b2c3d4)? 1:0;
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$fseek(feeder_file_rx, -4, 1);
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s_rx = $fseek(feeder_file_rx, -4, 1);
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// skip pcap file header 24*8
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// skip pcap file header 24*8
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$fseek(feeder_file_rx, 24, 1);
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s_rx = $fseek(feeder_file_rx, 24, 1);
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// read packet content
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// read packet content
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eof_rx = 0;
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eof_rx = 0;
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num_rx = 0;
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num_rx = 0;
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while (!eof_rx & !$feof(feeder_file_rx))
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while (!eof_rx & !$feof(feeder_file_rx))
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begin : fileread_loop
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begin : fileread_loop
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// skip frame header (8+4)*8
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// skip frame header (8+4)*8
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start_addr_rx = $ftell(feeder_file_rx);
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start_addr_rx = $ftell(feeder_file_rx);
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$fseek(feeder_file_rx, 8+4, 1);
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s_rx = $fseek(feeder_file_rx, 8+4, 1);
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// get frame length big endian 4*8
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// get frame length big endian 4*8
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r_rx = $fread(packet_leng_rx, feeder_file_rx);
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r_rx = $fread(packet_leng_rx, feeder_file_rx);
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packet_leng_rx = pcap_endian_rx?
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packet_leng_rx = pcap_endian_rx?
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{packet_leng_rx[31:24], packet_leng_rx[23:16], packet_leng_rx[15: 8], packet_leng_rx[ 7: 0]}:
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{packet_leng_rx[31:24], packet_leng_rx[23:16], packet_leng_rx[15: 8], packet_leng_rx[ 7: 0]}:
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{packet_leng_rx[ 7: 0], packet_leng_rx[15: 8], packet_leng_rx[23:16], packet_leng_rx[31:24]};
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{packet_leng_rx[ 7: 0], packet_leng_rx[15: 8], packet_leng_rx[23:16], packet_leng_rx[31:24]};
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