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alliance/share/man/man1/ocr.1

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+.\"   $Id: ocr.1,v 1.1 2002/01/11 14:38:55 hcl Exp $
+.\" @(#)Labo.l 0.0 92/09/24 UPMC; Author: Hugo CLEMENT
+.pl -.4
+.TH OCR 1 "January 11, 2002" "ASIM/LIP6" "CAO\-VLSI Reference Manual"
+.SH NAME
+.TP
+ocr
+ - An over-the-cell router
+.so man1/alc_origin.1
+.SH SYNOPSIS
+.TP
+\fBocr\fP 
+[\fBoptions\fP] -L <\fIlogical_view\fP> -P <\fIplaced_view\fP> -O <\fIrouted_view\fP>
+.br
+
+.SH DESCRIPTION
+\fBocr\fP is an automatic router tool for standard-cells.
+.br
+
+\fBinput net-list\fP
+.br
+The \fIlogical_view\fP and \fIplaced_view\fP files describe the input net-list.
+.br
+\fBocr\fP supports a hierarchical net-list. In this case the net-list is flattened by the router according to the catalog file. The file format of the input files is set respectively by the environment variable \fBMBK_IN_LO\fP and \fBMBK_IN_PH\fP.
+.br
+
+\fBoutput layout\fP
+.br
+The file containing the routed block will have the name \fIrouted_view\fP. The output format is defined by the environment variable \fBMBK_OUT_PH\fP.
+.br
+
+.SH OPTIONS
+.br
+
+\fBNumber of layers\fP
+.br
+\fB-l [0-9]+\fP
+.br
+This paramaters sets how many layers the router is allowed to use. The maximun is 5 (ie up to, and including, ALU6). The default is the minimum : 2, ie use only ALU2 and ALU3.
+
+.br
+
+\fBIterations\fP
+.br
+\fB-i [0-9]+\fP
+.br
+Tells the router to stop its main loop when it reaches N iterations. The default is to loop till core dump.
+.br
+
+\fBVerbose mode\fP
+.br
+\fB-v\fP set the verbose mode on
+\fB-vv\fP produces a lot of output
+\fB-d\fP for debugging purpose
+.br