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161 | ###############################################################################
# Copyright (c) 2020-2024 by Altair Engineering, Inc.
# All rights reserved.
#
# Altair Engineering, Inc. makes this software available as part of the Vision
# tool platform. As long as you are a licensee of the Vision tool platform
# you may make copies of the software and modify it to be used within the
# Vision tool platform, but you must include all of this notice on any copy.
# Redistribution without written permission to any third party, with or
# without modification, is not permitted.
# Altair Engineering, Inc. does not warrant that this software is error free
# or fit for any purpose. Altair Engineering, Inc. disclaims any liability for
# all claims, expenses, losses, damages and costs any user may incur as a
# result of using, copying or modifying the software.
# =============================================================================
# @userware
# Report Fan-In Cone
# @section
# Create Reports
# @description
# Example Tcl script that uses Zdb API commands to get fanIn cones
# of a node to a DFF driver.
# Usage:
# starsh reportFanInCone.tcl design.zdb report.txt
# @files
# cust33/reportFanInCone.tcl
# @tag
# zdb batch report cone
###############################################################################
# =============================================================================
# Start - Report fanIn cone.
# =============================================================================
#
proc ReportFanInCone:Start {db report startOid} {
##
# Open the report file.
#
set out [open $report "w"]
##
# Get the top design.
#
set top [$db get_top_design]
##
# Get start pins/ports.
#
set startList {}
switch -- [$db oid type $startOid] {
"net" {
$db foreach pin $startOid pin {
set dir [$db directionOf $pin]
switch -- [$db oid type $pin] {
"pin" {
if {$dir == "out"} {
continue
}
}
"port" {
if {$dir == "in"} {
continue
}
}
}
lappend startList $pin
}
}
"port" -
"pin" -
default {
lappend startList $startOid
}
}
##
# Print start oid to report file
#
puts $out "Start: [$db oid print $startOid]"
##
# Loop over all start oids
#
foreach startOid $startList {
##
# Get cone starting at start,
# stopping at flagged FF driver.
#
set result [$db cone \
-in \
-paths \
-targetFlaggedCell clock \
$startOid]
##
# Print results.
#
foreach path $result {
##
# get depth and oidList for one result path
#
set depth [lindex $path 0]
set oidList [lrange $path 1 end]
##
# print depth and oids for one result path
#
puts $out "\t---------------$depth----------------"
foreach oid $oidList {
puts $out "\t[$db oid print $oid]"
}
}
}
##
# Close the report file.
#
close $out
}
##
# Check for 3 command line options
#
if {$argc != 3} {
set msg "Wrong #of args. Usage:\n"
append msg "[info nameofexecutable] [info script] <BINFILE> <REPORTFILE>"
append msg " <PINorPORTorNETOID>"
error $msg
}
##
# The design is given as the first argument on the command line.
#
set binfile [lindex $argv 0]
##
# The report file is the second argument on the command line.
#
set report [lindex $argv 1]
##
# The start OID is the third argument on the command line.
#
set startOid [lindex $argv 2]
##
# Open the binfile.
#
set db [zdb open $binfile]
##
# Create fanIn cone report.
#
ReportFanInCone:Start $db $report $startOid
##
# Close the opened database.
#
$db close
|