premier commit du man d'ocp
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.\" $Id: ocp.1,v 1.1 2001/09/27 15:08:09 mai0009 Exp $
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.\" @(#)Labo.l 0.0 92/09/24 UPMC; Author: Christophe ALEXANDRE
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.pl -.4
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.TH OCP 1 "September 27, 2001" "ASIM/LIP6" "CAO\-VLSI Reference Manual"
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.SH NAME
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.TP
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ocp
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- Standard Cell Placer
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.so man1/alc_origin.1
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.SH SYNOPSIS
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.TP
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\fBocp\fP
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[\fBoptions\fP] [\fInetlist\fP] [\fIfilename\fP]
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.br
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.SH DESCRIPTION
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\fBocp\fP is an automatic place tool for standard-cells.
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.br
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\fBinput net-list\fP
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.br
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The \fInetlist\fP file describes the input net-list.
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.br
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\fBocp\fP supports a hierarchical net-list. In this case the net-list is flattened by the placer according to the catalog file. The net-list format can be : structural VHDL, EDIF, or ALLIANCE internal format according to the environment variable \fBMBK_IN_LO\fP.
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.br
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\fBoutput layout\fP
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.br
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The file containing the routed block will have the name \fIfilename\fP. The output format is defined by the environment variable \fBMBK_OUT_PH\fP.
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.br
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.SH OPTIONS
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.br
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\fBOptional cells placement file\fP
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.br
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\fB-partial <NAME>\fP
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.br
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A user defined placement can be specified, thanks to a placement file.
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.br
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The optional placement file must be given by the user. It must have an extension that denotes the format defined by the environment variable \fBMBK_IN_PH\fP.
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.br
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\fBOptional connectors placement\fP
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.br
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The placement of connectors can be also specified.
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.br
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There are two ways to place connectors in a physical view :
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.br
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.br
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\fB-c\fP option will automaticaly place the connectors randomly. The auto placement will set connectors on each side of the abutment box.
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.br
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\fB-ioc <NAME>\fP option will place connectors as specified by the <NAME>.ioc given file.
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.br
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\fBMargin\fP
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.br
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It is possible to force the free area of the physical view.
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.br
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The \fB-margin <MARGIN>\fP option allow to set The amount of free area added in percentage of the cells area.
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.br
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The resulting area will be equal to CELL_AREA * (1 + <MARGIN>).
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.br
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By default, the margin value is 0.2 (20%)
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.br
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\fBNumber of rows\fP
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.br
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\fB-rows <NR>\fP option forces the design to be placed in <NR> rows.
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.br
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The abutment box's width is automaticaly generated.
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.br
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This option won't be used if a defined placement file is given.
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.br
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\fBVerbose mode\fP
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.br
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\fB-v\fP set the verbose mode on
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.br
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\fBGnuplot\fP
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.br
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\fB-gnuplot\fP option allow to generate automaticaly gnuplot files, for editing statistics
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.br
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