43 lines
1.4 KiB
Systemverilog
43 lines
1.4 KiB
Systemverilog
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// DESCRIPTION: Verilator: Verilog Test module for SystemVerilog 'alias'
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//
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// Simple bi-directional alias test.
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//
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// This file ONLY is placed under the Creative Commons Public Domain, for
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// any use, without warranty, 2025 by Wilson Snyder.
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// SPDX-License-Identifier: CC0-1.0
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module t;
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real r;
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int i;
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initial begin
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// control_constant = `SV_COV_START, `SV_COV_STOP, `SV_COV_RESET, `SV_COV_CHECK
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// coverage_type = `SV_COV_ASSERTION, `SV_COV_FSM_STATE, `SV_COV_STATEMENT,`SV_COV_TOGGLE
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// scope_def = [`SV_COV_MODULE, "unique module def name"], [`SV_COV_HIER, "module name"],
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// [`SV_COV_MODULE, instance_name], [`SV_COV_HIER, instance_name]
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i = $coverage_control(`SV_COV_START, `SV_COV_TOGGLE, `SV_COV_MODULE, t);
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// returns `SV_COV_OK, `SV_COV_ERROR, `SV_COV_NOCOV, `SV_COV_PARTIAL
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i = $coverage_get(`SV_COV_TOGGLE, `SV_COV_MODULE, t);
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// returns number or `SC_COV_OVERFLOW, `SC_COV_ERROR, `SV_COV_NOCOV
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i = $coverage_get_max(`SV_COV_TOGGLE, `SV_COV_MODULE, t);
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// returns number or `SC_COV_OVERFLOW, `SC_COV_ERROR, `SV_COV_NOCOV
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r = $get_coverage();
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$set_coverage_db_name("filename");
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i = $coverage_save(coverage_type, "filename");
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// returns `SV_COV_OK, `SC_COV_NOCOV, `SC_COV_ERROR
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$load_coverage_db("filename");
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i = $coverage_merge(coverage_type, "filename");
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// returns `SV_COV_OK, `SC_COV_NOCOV, `SC_COV_ERROR
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$finish;
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end
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endmodule
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