Warning (10240): Verilog HDL Always Construct warning at xx.sv(32): inferring latch(es) for variable "_x", which holds its previous value in one or more paths through the always construct 4 errors, 2 warningsĮxample Errors from Quartus Warning (10230): Verilog HDL assignment warning at xx.sv(49): truncated value with size 32 to match size of target (8) 2 errors, 2 warningsĮrror: Peak virtual memory: 409 megabytesĮrror: Processing ended: Mon Sep 27 14:30:20 2021Įrror: Total CPU time (on all processors): 00:00:18Įrror (293001): Quartus Prime Full Compilation was unsuccessful. Info (10041): Inferred latch for "x" at top.sv(59)Įrror (12153): Can't elaborate top-level user hierarchyĮrror: Quartus Prime Analysis & Synthesis was unsuccessful. Warning (10240): Verilog HDL Always Construct warning at top.sv(59): inferring latch(es) for variable "x", which holds its previous value in one or more paths through the always constructĮrror (10166): SystemVerilog RTL Coding error at top.sv(59): always_comb construct does not infer purely combinational logic. X =a end end endmodule Info (12127): Elaborating entity "top" for the top level hierarchy Skip_to_finish, ,clk ,rst ) input clk enum logic CS ,NS logic x ,_x output logic finished logic _finished input skip_to_finish input rst output logic out logic _out logic rst_n not myinv (rst_n ,rst ) always_ff ( posedge clk, negedge rst_n ) begin if (rst_n = 0 ) begin vĮxample System Verilog State Machine: module statemachine_sv (out ,finished , To use SystemVerilog, when adding a new file to a project select SystemVerilog instead of Verilog the file extension will be. IEEE Standard for SystemVerilog-Unified Hardware Design, Specification, and Verification Language - Redline
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