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249 | ###############################################################################
# Copyright (c) 2017-2024 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
# Trace Cell
# @section
# Create Reports
# @description
# Find all possible paths from all primary input ports of all loaded
# modules to all internal nodes and to all primary output ports. Also
# find paths from all internal nodes to all primary output ports. The
# result can be visualized in the Cone window and in addition it is
# written to an ASCII file.
# @files
# cust16/traceCell.tcl
# @tag
# report
###############################################################################
# -----------------------------------------------------------------------------
# _showResult - Load the calculated result to the Cone window.
# -----------------------------------------------------------------------------
#
proc _showResult {db start target oidList} {
##
# Show the Cone window and load the result.
#
gui window show Cone
gui cone load $oidList
##
# For a better readability of the schematic we need to add pins of loaded
# instances connecting to a power/ground net.
#
set pgPins {}
foreach oid [gui cone contents -type "inst"] {
$db foreach pin $oid pin {
if {[$db flag $pin is hide] || ![$db isConnected $pin]} {
continue
}
set net [$db connectedNet $pin]
if {[$db isPgNet $net]} {lappend pgPins $pin}
}
}
gui cone append $pgPins
##
# For a more readable schematic regenerate the Cone view and do a fullfit.
#
gui cone regenerate
gui cone zoom fullfit
##
# Highlight the start and target objects using color 0 and 1.
#
$db hilight * deleteAll
$db hilight $start set 0
$db hilight $target set 1
gui highlight changed
}
# -----------------------------------------------------------------------------
# _doCustomExtract - Do a cone extraction from all objects in the given
# startList to all objects in the given targetList.
# The result is added to the given menu.
# -----------------------------------------------------------------------------
#
proc _doCustomExtract {db modName txt startList targetList out} {
set i 0
foreach startOid $startList {
set subItemTxt [format $txt [$db oid oname $startOid]]
gui menu submenu [list "Trace Result" $modName $subItemTxt]
foreach targetOid $targetList {
##
# Call the automatic cone/path extraction engine and do a
# point-to-point extraction (option -targetObj) and stay in
# one level of hierarchy (option -dontDive).
#
set res [$db cone -out -dontDive -targetObj $targetOid $startOid]
##
# Skip empty results.
#
if {[llength $res] == 0} {
continue
}
##
# Add the result to the 'Trace Result' menu.
#
set itemTxt "[$db oid oname $targetOid]"
gui menu command \
[list "Trace Result" $modName $subItemTxt $itemTxt] \
[list _showResult $db $startOid $targetOid $res]
##
# Dump the result to the report file.
#
set headline [format $txt%s [$db oid oname $startOid] " $itemTxt"]
puts $out $headline
puts $out [string repeat "-" [string length $headline]]
foreach oid $res {
puts $out "\t$oid"
}
puts $out "\n"
}
incr i
}
}
# =============================================================================
# Start - This is the main procedure.
# =============================================================================
#
proc TraceCell:Start {db} {
##
# Return if the database is empty.
#
if {$db == {}} {
return
}
##
# Add a main menu button to show the results.
#
gui menu mainMenu "Trace Result"
##
# Open the report file for writing.
#
set out [open "/tmp/traceCell.report" "w"]
##
# Loop over all modules.
#
set m 0
$db foreach module module {
##
# First clear the 'visit flag at all nets of this module.
#
$db foreach net $module net {$db flag $net clear visit}
##
# Add a cascade submenu for each module.
#
set modName [$db oid oname $module]
gui menu submenu [list "Trace Result" $modName]
##
# Initialize three lists to store:
# - pi: primary input
# - po: primary output
# - int: internal node
#
set pi {}
set po {}
set int {}
##
# Loop over all ports of this module. The nets connected to each port
# are flagged with the visit flag to indicate that this is an interface
# net.
#
$db foreach port $module port {
##
# Skip all unconnected ports.
#
if {![$db isConnected $port]} {
continue
}
##
# Flag the net connected to this port as visit.
#
set net [$db connectedNet $port]
$db flag $net set visit
if {[$db isPgNet $net]} {
continue
}
##
# Depending on the direction of this port append it to the
# corresponding list.
#
if {[$db directionOf $port] == "input"} {
lappend pi $port
} else {
lappend po $port
}
}
##
# Create a list of all internal node. All nets that are not flagged
# with the visit flag (see above) are internal nodes.
#
$db foreach net $module net {
if {![$db flag $net is visit]} {lappend int $net}
}
##
# Extract all paths from
# PI to INT
# PI to PO
# INT to PO
#
_doCustomExtract $db $modName "PI %s -> INT" $pi $int $out
_doCustomExtract $db $modName "PI %s -> PO" $pi $po $out
_doCustomExtract $db $modName "INT %s -> PO" $int $po $out
##
# At the end clear the 'visit flag again to leave a clean database.
#
$db foreach net $module net {$db flag $net clear visit}
incr m
}
##
# Close the output file.
#
close $out
}
##
# Use gui database runOrRegisterChangedCallback to immediately run
# TraceCell:Start if we have a database, or otherwise register the proc to be
# executed after the database is available.
#
gui database runOrRegisterChangedCallback TraceCell:Start
|