ADDER X-SC Manual do Utilizador Página 84

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84 CHAPTER 2. COMBINATIONAL DESIGN EXAMPLES
We now use LVX to compare the structural description of our design with the first one extracted by Cougar.
We must change some environment variables as follows.
% setenv MBK_IN_LO vst
% setenv MBK_OUT_LO vst
All other setting are the same, so we add the follwing lines to our Makefile.
LVX = $(ALLIANCE_BIN)/lvx
lvx.done : multi4.vst multi4_e.al multi4_e.spi
$(LVX) vst al multi4 multi4_e -f
$(TOUCH) lvx.done
And run the comparison as follows.
% make lvx.done
/usr/local/alliance/bin/lvx vst al multi4 multi4_e -f
@@@@@@ @@@@ @@@ @@@@ @@@@
@@ @@ @ @@ @
@@ @@ @ @@ @
@@ @@ @ @@ @
@@ @@ @ @@
@@ @@ @ @@
@@ @@ @ @@@
@@ @@@ @ @@
@@ @ @@@ @ @@
@@ @ @ @ @@
@@@@@@@@@@ @ @@@ @@@@
Gate Netlist Comparator
Alliance CAD System 5.0 20040928, lvx 1.4
Copyright (c) 1992-2005, ASIM/LIP6/UPMC
***** Loading and flattening multi4 (vst)...
***** Loading and flattening multi4_e (al)...
***** Compare Terminals ..............
***** O.K. (0 sec)
***** Compare Instances ............
***** O.K. (0 sec)
***** Compare Connections ......................
***** O.K. (0 sec)
===== Terminals .......... 18
===== Instances .......... 151
===== Connectors ......... 812
***** Netlists are Identical. ***** (0 sec)
touch lvx.done
That tells us that the two descriptions are identical. We cann now use DRUC to check the symbolic design
rules used. To do this, we set a new variable a change one.
% setenv RDS_TECHNO_SYMB ../etc/techno-symb.rds
% setenv RDS_TECHNO_NAME $RDS_TECHNO_SYMB
And add the related variable, the corresponding definition, and the corresponding dep endency relation to our
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