Subversion Repositories mpmc8

`timescale 1ns / 1ps
// ============================================================================
//        __
//   \\__/ o\    (C) 2015-2022  Robert Finch, Waterloo
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//     \/_//     robfinch<remove>@finitron.ca
//       ||
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// ============================================================================
//
import mpmc10_pkg::*;

// Reservation status bit
module mpmc10_resv_bit(clk, state, wch, we, cr, adr, resv_ch, resv_adr, rb);
input clk;
input mpmc10_state_t state;
input we;
input cr;
input [3:0] wch;
input [31:0] adr;
input [3:0] resv_ch [0:mpmc10_pkg::NAR-1];
input [31:0] resv_adr [0:mpmc10_pkg::NAR-1];
output reg rb;

integer n5;
always_ff @(posedge clk)
if (state==IDLE) begin
  if (we) begin
    if (cr) begin
      rb <= 1'b0;
        for (n5 = 0; n5 < mpmc10_pkg::NAR; n5 = n5 + 1)
              if ((resv_ch[n5]==wch) && (resv_adr[n5][31:5]==adr[31:5]))
              rb <= 1'b1;
    end
  end
end

endmodule