// This test is identical to OneModule.bsv, except that the rules and state // for the two clock domains are in separately-synthesized modules which // take the clocks as inputs. import Clocks::*; // Clock periods Integer p1 = 6; Integer p2 = 4; (* synthesize *) module sysTwoSubmodulesInputClock (); Clock clk1 <- mkAbsoluteClock(p1, p1); Clock clk2 <- mkAbsoluteClock(p2, p2); mkTwoSubmodulesInputClock_Sub1(clk1, clocked_by noClock, reset_by noReset); mkTwoSubmodulesInputClock_Sub2(clk2, clocked_by noClock, reset_by noReset); endmodule // the initial value of the registers will be AA Bit#(8) init_val = 8'hAA; // function to make $stime the same for Bluesim and Verilog function ActionValue#(Bit#(32)) adj_stime(Integer p); actionvalue let adj = (p + 1) / 2; let t <- $stime(); if (genVerilog) return (t + fromInteger(adj)); else return t; endactionvalue endfunction (* synthesize *) module mkTwoSubmodulesInputClock_Sub1 (Clock clk, Empty e); // use RegU to avoid the need for a reset Reg#(Bit#(8)) rg1 <- mkRegU(clocked_by clk); rule r1; rg1 <= rg1 + 1; $display("(%d) rg1 = %h", adj_stime(p1), rg1); endrule rule stop (rg1 > (init_val + 17)); $finish(0); endrule endmodule (* synthesize *) module mkTwoSubmodulesInputClock_Sub2 (Clock clk, Empty e); // use RegU to avoid the need for a reset Reg#(Bit#(8)) rg2 <- mkRegU(clocked_by clk); rule r2; rg2 <= rg2 + 1; $display("(%d) rg2 = %h", adj_stime(p2), rg2); endrule endmodule