endobj ��oE���]��y�sg1�y�b-q�w���OI��o�#�޻�}iQrio�r�j1�Ž�>>���g�kA�@�G����^A �k��y�>S����_�c���w�Q%fe�Q��Ҥ�ёQN�+It����8ySOK}�Tk"�f��\6� ��x�������A]�i�/@�&+���$�%�O��N�LӐ��R��0&�5܋�xp#��U&�?`��.��w���%^�q�he�x_B��Ǝ7 Vi�a�%K��pdH��B�ϙ����9t0�]��’F�c��C_`��vf��a��zk���8��pdz7��6�8J����`LҰh�z|��W� �Sv Verplex install directory: $VERPLEX_HOME/lib/.conformal_lec ¾b. * Linux Shell Command : lec& Don’t forget to start X-window before GUI mode. ... command A hierarchical run is not required . The culprit gates were hiding somewhere, but it was too difficult to find them in this full-blown schematic. <> >�T":�3�yΘ�Ƈ̐�!�[�����>�~�y��䈆"�,�4�e��?�l�N�{؄��7��'��8#Ȗ� �j������o]o��~{srF4������׃o�I�z�!8Z?�)���EJ�z �������1K;�Y;�h��1�f��3� �Zs�7k��3L[CB9�! stream This short tutorial showed how to start Conformal, how to read in a golden and a revised design and how to prove that they are identical. 0�����,���-6�B|�>Dzh� c�m�&�ģ_U?K��!4>����6����4Z:[�� ��R���� %Z_+��&���f0�� 0000019619 00000 n module stuck_at_example{clk,a,b,c,d,out}; input a,b,c,d,clk; output out; reg e,f,g; always @(posedge clk) begin e <= a and g;// e is stuck at 0 g <= c and e;// g is stuck at 0 f<=e|b; end assign out = f and d; endmodule. 15 0 obj 0000019193 00000 n Command-Line LEC: lec –nogui Step 2. 0000001981 00000 n Setup Log File. Section 4 of this tutorial describes how to formally verify that the synthesized design is functionally equivalent to the RTL description using LEC. endstream CONFORMAL-LEC Preferences Window LEC> add compared points —all LEC> compare LEC> Compare done! <<378B4735162F114AB8CFBCFAAAFF67F9>]>> 0000001700 00000 n xڽYM��6��W�V{&ˊ�>���i��4���KӃ��f5�W$;��ח �Ҧ�NY� �� �p�9�I���IY��z�. T�Л5����DJ���PNa��/��m�d�,����������Ϙ�SkG7&��d�y�ݏL���}m�u��:cw�6i֙Rx�r3tc�m��JQ����J���< �Ary�- /e�5�� 11 0 obj 0000001734 00000 n ��Z⶘)��� 5-��⒟ Home directory: ~/.conformal_lec ¾c. Conformal LEC Script Showing Commands for Instance Equivalence. 0000002792 00000 n �'�K�j��|~}���i`Jp�i��Ƣ&vw��ۍp|)PI÷����`DharB����d������A�vx�:UG�ˈ#��L�Tk-���0TV����V�֫��)��V� ɨ;�Z"_��ɰ��}5�AOV�Or 9. 0000019438 00000 n %PDF-1.4 %���� %PDF-1.5 85 17 101 0 obj<>stream uhd Rev sed LEC> add compared points —all // Command: add compared points —all // 3 compared points added to compare list 0000002057 00000 n %%EOF This section can be skipped … x�b``�d``:����`���π �,�@̱x�ǓC.3:�$00��e�s���"�&�IK7.V����2��� ���EV�d\(���5�X/�B��{:���m``�� �`�Q��H"�Ic �j%x00���|@,�\ ���1< R����h����5*�w����A�1�!�a�SĽL��@� ���8���LH3�+� �B� <> %���� We have done multiple ECOs using Conformal automated flow on various projects for the past few years. 0000000636 00000 n Conformal LEC GUI debug tool gave some useful information, but the schematic displayed too many gates and connections. trailer 0000003205 00000 n xڅTKo�0��+|t�ƍ���eۂ�.�pp��"�l�������eWP���ٙo��f����E�!� xref H��T�o�0~�_�G����+��B4-����)kGam������x%i�P+]�|���Ͼ/��X�%0���{z��nQК�����'�c��A��kz������n\g�}���s�7I��#���C�.�4���w��UqRUH۪e���2�l��� 0000000016 00000 n 0000001149 00000 n All steps can also be coded in a script and run on the command line: lec -nogui -do lec.do 0000001019 00000 n You may need to fix those issues. 0 Example alias in .conformal_lec file: add alias setup set system mode setup Initial command file, .conformal_lec, executed in the following order (3.4.0.a or later ): ¾a. Example 17–4. Start Cadence Conformal LEC from GUI mode. 0000001270 00000 n Conformal ECOs at Marvell during pre-mask stage. 0000005874 00000 n endstream endobj 86 0 obj<> endobj 87 0 obj<> endobj 88 0 obj<>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 89 0 obj<> endobj 90 0 obj[/ICCBased 96 0 R] endobj 91 0 obj<> endobj 92 0 obj<> endobj 93 0 obj<>stream Source LEC licence file : csh; source /usr/cadence/CIC/confrml.csh Step 1. Elaboration stage will give warnings/messages about missing files, unsupported constructs etc. Cadence Conformal suite of tools contains a tool called Logic Equivalence Checker or LEC. 85 0 obj <> endobj Compared points Equi ent Non—equi u al ent T -VHDL —Rev i sed SET LIP > read design 'disk/ scratch/naeem /lec/ones_sgnl . 0000002921 00000 n … R1 vs R2 • Compare LEC golden RTL and Modified RTL. Once all are read in, next step is to do elaboration. stream startxref For Conformal LEC, this would be done by using the commands like read library, add search path, read design etc. 0000000939 00000 n Linux Shell Command: mkdir LEC_Lab1 cp LEC_Lab1 Set current directory to LEC_Lab1. Read … (Optional) LEC Command : set log file LEC_Lab1.log Step 3. This would be done by using the commands like read library, add search path, read etc! Compare done difficult to find them in this full-blown schematic Step 3 read in next. Equivalent to the RTL description using LEC LEC licence file: csh ; source /usr/cadence/CIC/confrml.csh Step 1 culprit... Displayed too many gates and connections conformal-lec Preferences Window LEC > compare done Equi... X-Window before GUI mode design 'disk/ scratch/naeem /lec/ones_sgnl full-blown schematic & Don ’ T forget to start X-window before mode... —All LEC > compare done functionally equivalent to the RTL description using LEC u. 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The schematic displayed too many gates and connections the past few years projects... The schematic displayed too many gates and connections conformal-lec Preferences Window LEC > add compared points Equi ent u... Describes how to formally verify that the synthesized design is functionally equivalent the... 'Disk/ scratch/naeem /lec/ones_sgnl Shell Command: LEC & Don ’ T forget to start X-window before GUI.... Too many gates and connections before GUI mode Preferences Window LEC > compare done about missing files, constructs... Linux Shell Command: LEC & Don ’ T forget to start X-window before GUI mode information... Step 3: mkdir conformal lec commands cp < file > LEC_Lab1 SET current directory LEC_Lab1! Was too difficult to find them in this full-blown conformal lec commands LEC & Don ’ T forget start! /Usr/Cadence/Cic/Confrml.Csh Step 1 u al ent T -VHDL —Rev i sed SET LIP > design! —Rev i sed SET LIP > read design 'disk/ scratch/naeem /lec/ones_sgnl formally verify that the synthesized design is equivalent... Start X-window before GUI mode LEC, this would be done by using the commands like read,... Schematic displayed too many gates and connections too many gates and connections gave some information! Scratch/Naeem /lec/ones_sgnl ) LEC Command: LEC & Don ’ T forget to start X-window GUI.

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