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// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2014 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0
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`define stop $stop
`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);
`define checks(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got='%s' exp='%s'\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0);
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module t ( /*AUTOARG*/
// Inputs
clk
) ;
input clk ;
typedef enum logic [ 59 : 0 ] {
E01 = 60 'h1 ,
ELARGE = 60 'h1234 _4567_abcd
} my_t ;
integer cyc = 0 ;
my_t e ;
string all ;
int i_cast ;
// Check runtime
always @ ( posedge clk ) begin
cyc < = cyc + 1 ;
if ( cyc = = 0 ) begin
// Setup
e < = E01 ;
end
else if ( cyc = = 1 ) begin
`checks ( e . name , " E01 " ) ;
`checkh ( e . next , ELARGE ) ;
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`checkh ( e . next ( 0 ) , E01 ) ;
`checkh ( e . prev ( 0 ) , E01 ) ;
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e < = ELARGE ;
end
else if ( cyc = = 3 ) begin
`checks ( e . name , " ELARGE " ) ;
`checkh ( e . next , E01 ) ;
`checkh ( e . prev , E01 ) ;
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`checkh ( e . next ( 0 ) , ELARGE ) ;
`checkh ( e . prev ( 0 ) , ELARGE ) ;
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e < = E01 ;
end
//
else if ( cyc = = 10 ) begin
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/* verilator lint_off BLKANDNBLK */
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i_cast < = $cast ( e , 60 'h1234 ) ;
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/* verilator lint_on BLKANDNBLK */
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end
else if ( cyc = = 11 ) begin
`checkh ( i_cast , 0 ) ;
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/* verilator lint_off BLKANDNBLK */
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i_cast < = $cast ( e , 60 'h1 ) ;
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/* verilator lint_on BLKANDNBLK */
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end
else if ( cyc = = 12 ) begin
`checkh ( i_cast , 1 ) ;
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/* verilator lint_off BLKANDNBLK */
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i_cast < = $cast ( e , 60 'h1234 _4567_abcd ) ;
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/* verilator lint_on BLKANDNBLK */
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end
else if ( cyc = = 13 ) begin
`checkh ( i_cast , 1 ) ;
end
//
else if ( cyc = = 20 ) begin
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e < = my_t '(' h11 ) ; // Unknown
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end
else if ( cyc = = 21 ) begin
`checks ( e . name , " " ) ; // Unknown
end
else if ( cyc = = 99 ) begin
$write ( " *-* All Finished *-* \n " ) ;
$finish ;
end
end
endmodule