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[/] [mpmc8/] [trunk/] [rtl/] [mpmc8_do_wr.sv] - Rev 4
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// ============================================================================
// __
// \\__/ o\ (C) 2015-2022 Robert Finch, Waterloo
// \ __ / All rights reserved.
// \/_// robfinch<remove>@finitron.ca
// ||
//
// BSD 3-Clause License
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
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// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ============================================================================
//
import mpmc8_pkg::*;
module mpmc8_do_wr(we, cr, adr, resv_ch, resv_adr, do_wr);
input we;
input cr;
input [31:0] adr;
input [3:0] resv_ch [0:NAR-1];
input [31:0] resv_adr [0:NAR-1];
output reg do_wr;
integer n4;
always_comb
begin
do_wr <= FALSE;
if (we) begin
if (cr) begin
for (n4 = 0; n4 < NAR; n4 = n4 + 1)
if ((resv_ch[n4]==4'd1) && (resv_adr[n4][31:4]==adr[31:4]))
do_wr <= TRUE;
end
else
do_wr <= TRUE;
end
end
endmodule
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