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// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2009 by Iztok Jeras.
// SPDX-License-Identifier: CC0-1.0
module t (/*AUTOARG*/
// Inputs
clk
);
input clk;
`define checkh(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got='h%x exp='h%x\n", `__FILE__,`__LINE__, (gotv), (expv)); $stop; end while(0);
// parameters for array sizes
localparam WA = 4;
localparam WB = 6;
localparam WC = 8;
// 2D packed arrays
logic [WA+1:2] [WB+1:2] [WC+1:2] array_bg; // big endian array
/* verilator lint_off LITENDIAN */
logic [2:WA+1] [2:WB+1] [2:WC+1] array_lt; // little endian array
/* verilator lint_on LITENDIAN */
logic [1:0] array_unpk [3:2][1:0];
integer cnt = 0;
integer slc = 0; // slice type
integer dim = 0; // dimension
integer wdt = 0; // width
initial begin
`checkh($dimensions (array_unpk), 3);
`ifndef VCS
`checkh($unpacked_dimensions (array_unpk), 2); // IEEE 2009
`endif
`checkh($bits (array_unpk), 2*2*2);
`checkh($low (array_unpk), 2);
`checkh($high (array_unpk), 3);
`checkh($left (array_unpk), 3);
`checkh($right(array_unpk), 2);
`checkh($increment(array_unpk), 1);
`checkh($size (array_unpk), 2);
end
// event counter
always @ (posedge clk) begin
cnt <= cnt + 1;
end
// finish report
always @ (posedge clk)
if ( (cnt[30:4]==3) && (cnt[3:2]==2'd3) && (cnt[1:0]==2'd3) ) begin
$write("*-* All Finished *-*\n");
$finish;
end
integer slc_next;
// calculation of dimention sizes
always @ (posedge clk) begin
// slicing type counter
case (cnt[3:2])
2'd0 : begin slc_next = 0; end // full array
2'd1 : begin slc_next = 1; end // single array element
2'd2 : begin slc_next = 2; end // half array
default: begin slc_next = 0; end
endcase
slc <= slc_next;
// dimension counter
case (cnt[1:0])
2'd0 : begin dim <= 1; wdt <= (slc_next==1) ? WA/2 : (slc_next==2) ? WA/2 : WA; end
2'd1 : begin dim <= 2; wdt <= WB; end
2'd2 : begin dim <= 3; wdt <= WC; end
default: begin dim <= 0; wdt <= 0; end
endcase
end
always @ (posedge clk) begin
`ifdef TEST_VERBOSE
$write("cnt[30:4]=%0d slc=%0d dim=%0d wdt=%0d\n", cnt[30:4], slc, dim, wdt);
`endif
if (cnt[30:4]==1) begin
// big endian
if (slc==0) begin
// full array
`checkh($dimensions (array_bg), 3);
`checkh($bits (array_bg), WA*WB*WC);
if ((dim>=1)&&(dim<=3)) begin
`checkh($left (array_bg, dim), wdt+1);
`checkh($right (array_bg, dim), 2 );
`checkh($low (array_bg, dim), 2 );
`checkh($high (array_bg, dim), wdt+1);
`checkh($increment (array_bg, dim), 1 );
`checkh($size (array_bg, dim), wdt );
end
end else if (slc==1) begin
// single array element
`checkh($dimensions (array_bg[2]), 2);
`checkh($bits (array_bg[2]), WB*WC);
if ((dim>=2)&&(dim<=3)) begin
`checkh($left (array_bg[2], dim-1), wdt+1);
`checkh($right (array_bg[2], dim-1), 2 );
`checkh($low (array_bg[2], dim-1), 2 );
`checkh($high (array_bg[2], dim-1), wdt+1);
`checkh($increment (array_bg[2], dim-1), 1 );
`checkh($size (array_bg[2], dim-1), wdt );
end
`ifndef VERILATOR // Unsupported slices don't maintain size correctly
end else if (slc==2) begin
// half array
`checkh($dimensions (array_bg[WA/2+1:2]), 3);
`checkh($bits (array_bg[WA/2+1:2]), WA/2*WB*WC);
if ((dim>=1)&&(dim<=3)) begin
`checkh($left (array_bg[WA/2+1:2], dim), wdt+1);
`checkh($right (array_bg[WA/2+1:2], dim), 2 );
`checkh($low (array_bg[WA/2+1:2], dim), 2 );
`checkh($high (array_bg[WA/2+1:2], dim), wdt+1);
`checkh($increment (array_bg[WA/2+1:2], dim), 1 );
`checkh($size (array_bg[WA/2+1:2], dim), wdt);
end
`endif
end
end else if (cnt[30:4]==2) begin
// little endian
if (slc==0) begin
// full array
`checkh($dimensions (array_lt), 3);
`checkh($bits (array_lt), WA*WB*WC);
if ((dim>=1)&&(dim<=3)) begin
`checkh($left (array_lt, dim), 2 );
`checkh($right (array_lt, dim), wdt+1);
`checkh($low (array_lt, dim), 2 );
`checkh($high (array_lt, dim), wdt+1);
`checkh($increment (array_lt, dim), -1 );
`checkh($size (array_lt, dim), wdt );
end
end else if (slc==1) begin
// single array element
`checkh($dimensions (array_lt[2]), 2);
`checkh($bits (array_lt[2]), WB*WC);
if ((dim>=2)&&(dim<=3)) begin
`checkh($left (array_lt[2], dim-1), 2 );
`checkh($right (array_lt[2], dim-1), wdt+1);
`checkh($low (array_lt[2], dim-1), 2 );
`checkh($high (array_lt[2], dim-1), wdt+1);
`checkh($increment (array_lt[2], dim-1), -1 );
`checkh($size (array_lt[2], dim-1), wdt );
end
`ifndef VERILATOR // Unsupported slices don't maintain size correctly
end else if (slc==2) begin
// half array
`checkh($dimensions (array_lt[2:WA/2+1]), 3);
`checkh($bits (array_lt[2:WA/2+1]), WA/2*WB*WC);
if ((dim>=1)&&(dim<=3)) begin
`checkh($left (array_lt[2:WA/2+1], dim), 2 );
`checkh($right (array_lt[2:WA/2+1], dim), wdt+1);
`checkh($low (array_lt[2:WA/2+1], dim), 2 );
`checkh($high (array_lt[2:WA/2+1], dim), wdt+1);
`checkh($increment (array_lt[2:WA/2+1], dim), -1 );
`checkh($size (array_lt[2:WA/2+1], dim), wdt );
end
`endif
end
end
end
endmodule
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