`ifdef BSV_ASSIGNMENT_DELAY `else `define BSV_ASSIGNMENT_DELAY `endif `ifdef BSV_POSITIVE_RESET `define BSV_RESET_VALUE 1'b1 `define BSV_RESET_EDGE posedge `else `define BSV_RESET_VALUE 1'b0 `define BSV_RESET_EDGE negedge `endif module MakeReset ( CLK, RST, ASSERT_IN, ASSERT_OUT, DST_CLK, OUT_RST ); parameter RSTDELAY = 2 ; // Width of reset shift reg parameter init = 1 ; input CLK ; input RST ; input ASSERT_IN ; output ASSERT_OUT ; input DST_CLK ; output OUT_RST ; reg rst ; wire OUT_RST ; assign ASSERT_OUT = rst == `BSV_RESET_VALUE ; SyncReset #(RSTDELAY) rstSync (.CLK(DST_CLK), .IN_RST(rst), .OUT_RST(OUT_RST)); always@(posedge CLK or `BSV_RESET_EDGE RST) begin if (RST == `BSV_RESET_VALUE) rst <= `BSV_ASSIGNMENT_DELAY init ? ~ `BSV_RESET_VALUE : `BSV_RESET_VALUE; else begin if (ASSERT_IN) rst <= `BSV_ASSIGNMENT_DELAY `BSV_RESET_VALUE; else // if (rst == 1'b0) rst <= `BSV_ASSIGNMENT_DELAY ~ `BSV_RESET_VALUE; end // else: !if(RST == `BSV_RESET_VALUE) end // always@ (posedge CLK or `BSV_RESET_EDGE RST) `ifdef BSV_NO_INITIAL_BLOCKS `else // not BSV_NO_INITIAL_BLOCKS // synopsys translate_off initial begin #0 ; rst = ~ `BSV_RESET_VALUE ; end // synopsys translate_on `endif // BSV_NO_INITIAL_BLOCKS endmodule // MakeReset