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ADDER X-SC Manual de usuario Pagina 35

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1.6. DREAL 35
following command.
% dreal [-l file_name] [-xor] [-debug] [-install] [-force]
The options available in DREAL are shown in Table 1.8. This tool is usually used on the output of the Alliance
Table 1.8: Options Available for the DREAL Tool.
Option Description
-l filename
Load the filename (with or without extension)
-xor
Two graphic cursor methods can b e used, invert (default) or xor.
-debug
-install
Switch to a private color map.
-force
This option force all graphical objects to be displayed.
tool S2R. S2R converts the symbolic layout obtained with NERO into a real technology layout in cif or gds
format. The output format is given by the RDS OUTPUT environment variable. We can check its value using.
% env | grep RDS
RDS_IN=cif
RDS_OUT=cif
RDS_TECHNO_NAME=/usr/local/alliance/etc/cmos.rds
We will run S2R on the routed symbolic layout of our mux.
% s2r -v muxoor muxcore
@@@@
@ @@
@@ @@
@@@@@@ @@@ @@ @@@ @@@
@@ @ @ @@ @@@ @@
@@@ @ @@ @@
@@@@ @ @@
@@@@ @ @@
@ @@@ @ @ @@
@@ @@ @@@@@@ @@
@ @@@@@ @@@@@@@ @@@@
Symbolic to Real layout converter
Alliance CAD System 5.0 20040928, s2r 5.0
Copyright (c) 2002-2005, ASIM/LIP6/UPMC
E-mail : [email protected]
o loading technology file : /usr/local/alliance/etc/cmos.rds
o loading all level of symbolic layou t : muxoor
o removing symbolic data structure
o layout post-treating
with top connectors,
with sub connectors,
with signal names,
without scotch.
--> post-treating model ao2o22_x2
rectangle merging :
--> post-treating model inv_x2
rectangle merging :
--> post-treating model tie_x0
rectangle merging :
--> post-treating model muxoor
ring flattenning :
rectangle merging :
o saving muxcore.cif
o memory allocation informations
--> required rectangles = 0 really allocated = 0
--> Number of allocated bytes: 55448
We then use DREAL to see the generated muxcore real layout file (the technology provided by Alliance is not
a real 0.35 um technology, but it is useful for the example we are handling). Remember that DREAL requires
a X11 environment, before trying to use the following command to run DREAL.
% dreal -l muxcore
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