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[/] [ha1588/] [trunk/] [sim/] [tsu/] [gmii_rx_bfm.v] - Diff between revs 52 and 54

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Rev 52 Rev 54
Line 25... Line 25...
  (
  (
    output           gmii_rxclk,
    output           gmii_rxclk,
    output reg       gmii_rxctrl,
    output reg       gmii_rxctrl,
    output reg [7:0] gmii_rxdata
    output reg [7:0] gmii_rxdata
  );
  );
 
    parameter        giga_mode = 1;
 
 
reg gmii_rxclk_offset;
reg gmii_rxclk_offset;
initial begin
initial begin
               gmii_rxclk_offset = 1'b0;
               gmii_rxclk_offset = 1'b0;
    forever #4 gmii_rxclk_offset = !gmii_rxclk_offset;
    forever #4 gmii_rxclk_offset = !gmii_rxclk_offset;
Line 41... Line 42...
reg eof_rx;
reg eof_rx;
reg pcap_endian_rx;
reg pcap_endian_rx;
reg [31:0] pcap_4bytes_rx;
reg [31:0] pcap_4bytes_rx;
reg [31:0] packet_leng_rx;
reg [31:0] packet_leng_rx;
reg [ 7:0] packet_byte_rx;
reg [ 7:0] packet_byte_rx;
 
 
 
generate
 
if (giga_mode) begin
initial
initial
begin : feeder_rx
begin : feeder_rx
    gmii_rxctrl = 1'b0;
    gmii_rxctrl = 1'b0;
    gmii_rxdata = 4'd0;
    gmii_rxdata = 8'd0;
    #100;
    #100;
    feeder_file_rx = $fopen("ptpdv2_rx.pcap","rb");
    feeder_file_rx = $fopen("ptpdv2_rx.pcap","rb");
    if (feeder_file_rx == 0)
    if (feeder_file_rx == 0)
    begin
    begin
        $display("Failed to open ptpdv2_rx.pcap!");
        $display("Failed to open ptpdv2_rx.pcap!");
Line 124... Line 128...
        $fclose(feeder_file_rx);
        $fclose(feeder_file_rx);
        gmii_rxctrl = 1'b0;
        gmii_rxctrl = 1'b0;
        gmii_rxdata = 8'h00;
        gmii_rxdata = 8'h00;
    end
    end
end
end
 
end
 
else begin
 
initial
 
begin : feeder_rx
 
    gmii_rxctrl = 1'b0;
 
    gmii_rxdata = 4'd0;
 
    #100;
 
    feeder_file_rx = $fopen("ptpdv2_rx.pcap","rb");
 
    if (feeder_file_rx == 0)
 
    begin
 
        $display("Failed to open ptpdv2_rx.pcap!");
 
        disable feeder_rx;
 
    end
 
    else
 
    begin
 
        // test pcap file endian
 
        r_rx = $fread(pcap_4bytes_rx, feeder_file_rx);
 
        pcap_endian_rx = (pcap_4bytes_rx == 32'ha1b2c3d4)? 1:0;
 
        s_rx = $fseek(feeder_file_rx, -4, 1);
 
        // skip pcap file header 24*8
 
        s_rx = $fseek(feeder_file_rx, 24, 1);
 
        // read packet content
 
        eof_rx = 0;
 
        num_rx = 0;
 
        while (!eof_rx & !$feof(feeder_file_rx))
 
        begin : fileread_loop
 
            // skip frame header (8+4)*8
 
            start_addr_rx = $ftell(feeder_file_rx);
 
            s_rx = $fseek(feeder_file_rx, 8+4, 1);
 
            // get frame length big endian 4*8
 
            r_rx = $fread(packet_leng_rx, feeder_file_rx);
 
            packet_leng_rx = pcap_endian_rx?
 
                               {packet_leng_rx[31:24], packet_leng_rx[23:16], packet_leng_rx[15: 8], packet_leng_rx[ 7: 0]}:
 
                               {packet_leng_rx[ 7: 0], packet_leng_rx[15: 8], packet_leng_rx[23:16], packet_leng_rx[31:24]};
 
            // check whether end of file
 
            if (r_rx == 0)
 
            begin
 
                eof_rx = 1;
 
                @(posedge gmii_rxclk_offset);
 
                gmii_rxctrl = 1'b0;
 
                gmii_rxdata = 4'h0;
 
                @(posedge gmii_rxclk_offset);
 
                gmii_rxctrl = 1'b0;
 
                gmii_rxdata = 4'h0;
 
                disable fileread_loop;
 
            end
 
            // send ifg 96bit=12*8
 
            repeat (12)
 
            begin
 
                @(posedge gmii_rxclk_offset)
 
                gmii_rxctrl = 1'b0;
 
                gmii_rxdata = 4'h0;
 
                @(posedge gmii_rxclk_offset)
 
                gmii_rxctrl = 1'b0;
 
                gmii_rxdata = 4'h0;
 
            end
 
            // send frame preamble and sfd 55555555555555d5=8*8
 
            repeat (7)
 
            begin
 
                @(posedge gmii_rxclk_offset);
 
                gmii_rxctrl = 1'b1;
 
                gmii_rxdata = 4'h5;
 
                @(posedge gmii_rxclk_offset);
 
                gmii_rxctrl = 1'b1;
 
                gmii_rxdata = 4'h5;
 
            end
 
                @(posedge gmii_rxclk_offset)
 
                gmii_rxctrl = 1'b1;
 
                gmii_rxdata = 4'h5;
 
                @(posedge gmii_rxclk_offset)
 
                gmii_rxctrl = 1'b1;
 
                gmii_rxdata = 4'hd;
 
            // send frame content
 
            for (index_rx=0; index_rx<packet_leng_rx; index_rx=index_rx+1)
 
            begin
 
                r_rx = $fread(packet_byte_rx, feeder_file_rx);
 
                @(posedge gmii_rxclk_offset);
 
                gmii_rxctrl = 1'b1;
 
                gmii_rxdata = packet_byte_rx[3:0];
 
                @(posedge gmii_rxclk_offset);
 
                gmii_rxctrl = 1'b1;
 
                gmii_rxdata = packet_byte_rx[7:4];
 
                // check whether end of file
 
                if (r_rx == 0)
 
                begin
 
                    eof_rx = 1;
 
                    @(posedge gmii_rxclk_offset);
 
                    gmii_rxctrl = 1'b0;
 
                    gmii_rxdata = 4'h0;
 
                    @(posedge gmii_rxclk_offset);
 
                    gmii_rxctrl = 1'b0;
 
                    gmii_rxdata = 4'h0;
 
                    disable fileread_loop;
 
                end
 
            end
 
            end_addr_rx = $ftell(feeder_file_rx);
 
            num_rx = num_rx + 1;
 
        end
 
        $fclose(feeder_file_rx);
 
        gmii_rxctrl = 1'b0;
 
        gmii_rxdata = 4'h0;
 
        $fclose(feeder_file_rx);
 
        gmii_rxctrl = 1'b0;
 
        gmii_rxdata = 4'h0;
 
    end
 
end
 
end
 
endgenerate
 
 
endmodule
endmodule
 
 
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