Verilog format
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@ -5,57 +5,61 @@
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// SPDX-License-Identifier: CC0-1.0
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typedef struct {
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int BAR_INT;
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bit BAR_BIT;
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byte BAR_ARRAY [0:3];
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int BAR_INT;
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bit BAR_BIT;
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byte BAR_ARRAY[0:3];
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} foo_t;
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interface intf
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#(parameter foo_t FOO = '{4, 1'b1, '{8'd1, 8'd2, 8'd4, 8'd8}})
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(input wire clk,
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input wire rst);
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modport modp (input clk, rst);
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interface intf #(
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parameter foo_t FOO = '{4, 1'b1, '{8'd1, 8'd2, 8'd4, 8'd8}}
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) (
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input wire clk,
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input wire rst
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);
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modport modp(input clk, rst);
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endinterface
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module sub (intf.modp the_intf_port [4], intf.modp single_intf_port);
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localparam foo_t intf_foo = the_intf_port[0].FOO;
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localparam int intf_foo_bar_int = the_intf_port[0].FOO.BAR_INT;
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localparam bit intf_foo_bar_bit = the_intf_port[0].FOO.BAR_BIT;
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localparam byte intf_foo_bar_byte = the_intf_port[0].FOO.BAR_ARRAY[3];
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localparam foo_t single_foo = single_intf_port.FOO;
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localparam int single_foo_bar_int = single_intf_port.FOO.BAR_INT;
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localparam bit single_foo_bar_bit = single_intf_port.FOO.BAR_BIT;
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localparam byte single_foo_bar_byte = single_intf_port.FOO.BAR_ARRAY[3];
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module sub (
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intf.modp the_intf_port[4],
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intf.modp single_intf_port
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);
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localparam foo_t intf_foo = the_intf_port[0].FOO;
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localparam int intf_foo_bar_int = the_intf_port[0].FOO.BAR_INT;
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localparam bit intf_foo_bar_bit = the_intf_port[0].FOO.BAR_BIT;
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localparam byte intf_foo_bar_byte = the_intf_port[0].FOO.BAR_ARRAY[3];
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localparam foo_t single_foo = single_intf_port.FOO;
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localparam int single_foo_bar_int = single_intf_port.FOO.BAR_INT;
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localparam bit single_foo_bar_bit = single_intf_port.FOO.BAR_BIT;
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localparam byte single_foo_bar_byte = single_intf_port.FOO.BAR_ARRAY[3];
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initial begin
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if (intf_foo != foo_t'{4, 1'b1, '{1, 2, 4, 8}}) $stop;
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if (intf_foo_bar_int != 4) $stop;
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if (intf_foo_bar_bit != 1'b1) $stop;
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if (intf_foo_bar_byte != 8'd8) $stop;
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if (single_foo != foo_t'{4, 1'b1, '{1, 2, 4, 8}}) $stop;
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if (single_foo_bar_int != 4) $stop;
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if (single_foo_bar_bit != 1'b1) $stop;
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if (single_foo_bar_byte != 8'd8) $stop;
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end
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initial begin
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if (intf_foo != foo_t'{4, 1'b1, '{1, 2, 4, 8}}) $stop;
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if (intf_foo_bar_int != 4) $stop;
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if (intf_foo_bar_bit != 1'b1) $stop;
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if (intf_foo_bar_byte != 8'd8) $stop;
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if (single_foo != foo_t'{4, 1'b1, '{1, 2, 4, 8}}) $stop;
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if (single_foo_bar_int != 4) $stop;
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if (single_foo_bar_bit != 1'b1) $stop;
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if (single_foo_bar_byte != 8'd8) $stop;
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end
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endmodule
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module t (
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clk
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);
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logic rst;
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input clk;
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logic rst;
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input clk;
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intf the_intf [4] (.*);
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intf single_intf (.*);
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intf the_intf[4] (.*);
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intf single_intf (.*);
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sub
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the_sub (
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.the_intf_port (the_intf),
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.single_intf_port(single_intf)
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);
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sub the_sub (
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.the_intf_port(the_intf),
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.single_intf_port(single_intf)
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);
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always @(posedge clk) begin
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$write("*-* All Finished *-*\n");
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$finish;
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end
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always @(posedge clk) begin
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$write("*-* All Finished *-*\n");
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$finish;
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end
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endmodule
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@ -21,7 +21,7 @@ endclass
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module t;
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initial begin
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test_class example;
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example = new;
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example = new;
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example.b = new;
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// Simple array element access
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@ -6,38 +6,40 @@
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module t_randomize_module_var;
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int golden_queue[$];
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int golden_queue[$];
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class Cls;
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rand bit deq;
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constraint valid_enq {
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if (golden_queue.size() == 0) {deq == 0;}
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class Cls;
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rand bit deq;
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constraint valid_enq {
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if (golden_queue.size() == 0) {
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deq == 0;
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}
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endclass
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}
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endclass
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Cls tr;
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Cls tr;
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initial begin
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tr = new;
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initial begin
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tr = new;
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// Test 1: Empty queue - deq must be 0
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if (tr.randomize() == 0) begin
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$stop;
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end
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if (tr.deq != 0) begin
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$display("Error: Expected deq=0 when queue is empty, got %0d", tr.deq);
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$stop;
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end
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// Test 1: Empty queue - deq must be 0
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if (tr.randomize() == 0) begin
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$stop;
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end
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if (tr.deq != 0) begin
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$display("Error: Expected deq=0 when queue is empty, got %0d", tr.deq);
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$stop;
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end
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// Test 2: Non-empty queue - deq can be 0 or 1
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golden_queue.push_back(42);
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if (tr.randomize() == 0) begin
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$stop;
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end
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// deq can be 0 or 1, both are valid
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// Test 2: Non-empty queue - deq can be 0 or 1
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golden_queue.push_back(42);
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if (tr.randomize() == 0) begin
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$stop;
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end
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// deq can be 0 or 1, both are valid
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$write("*-* All Finished *-*\n");
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$finish;
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end
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$write("*-* All Finished *-*\n");
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$finish;
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end
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endmodule
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