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[/] [mpmc8/] [trunk/] [rtl/] [mpmc9_resv_bit.sv] - Rev 6
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`timescale 1ns / 1ps
// ============================================================================
// __
// \\__/ o\ (C) 2015-2022 Robert Finch, Waterloo
// \ __ / All rights reserved.
// \/_// robfinch<remove>@finitron.ca
// ||
//
// BSD 3-Clause License
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// 1. Redistributions of source code must retain the above copyright notice, this
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// ============================================================================
//
import mpmc9_pkg::*;
// Reservation status bit
module mpmc9_resv_bit(clk, state, cs, we, ack, cr, adr, resv_ch, resv_adr, rb);
input clk;
input [3:0] state;
input cs;
input we;
input ack;
input cr;
input [31:0] adr;
input [3:0] resv_ch [0:NAR-1];
input [31:0] resv_adr [0:NAR-1];
output reg rb;
integer n5;
always_ff @(posedge clk)
if (state==IDLE) begin
if (cs & we & ~ack) begin
if (cr) begin
rb <= FALSE;
for (n5 = 0; n5 < NAR; n5 = n5 + 1)
if ((resv_ch[n5]==4'd1) && (resv_adr[n5][31:4]==adr[31:4]))
rb <= TRUE;
end
end
end
endmodule
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