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441 | ###############################################################################
# Copyright (c) 2014-2024 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.
# =============================================================================
# @script
# Read slack values and store them at instances and instances.
# Set Highlight colors for given slack ranges.
# Instances are searched with partial flat instance/net names.
# files
# slack.tcl
# slack.v
# slack.txt
###############################################################################
# -----------------------------------------------------------------------------
# _init - Init global data. Slack ranges and their highlight colors.
# -----------------------------------------------------------------------------
#
proc Slack:_init {db} {
global Slack
##
# Get top module.
#
set top [$db get_top_design]
##
# Set global hierSep and top module.
#
set Slack(hierSep) "/"
set Slack(db) $db
set Slack(top) $top
##
# Set limits, colors and mappings.
#
set Slack(limits) {}
set index 0
foreach {
limit hicol comment
} {
-0.020 1 "green"
-0.030 6 "lightgreen"
-0.040 10 "yellow"
-0.050 5 "orange"
-99999 0 "red"
} {
lappend Slack(limits) $limit ;# ordered list of limits
set Slack(hicol:$index) $hicol ;# mapping from rangeIndex to color
set Slack(index:$hicol) $index ;# mapping from color to rangeIndex
incr index
}
}
# -----------------------------------------------------------------------------
# _getIndex - Search rangeIndex in order list of limits.
# Slack values are negative.
# More negative values get higher slackIndex values.
# return slackIndex
# -----------------------------------------------------------------------------
#
proc Slack:_getIndex {slack} {
global Slack
set index 0
foreach limit $Slack(limits) {
if {$slack > $limit} {
return $index
}
incr index
}
incr index -1
return $index
}
# -----------------------------------------------------------------------------
# _getHiColor - return color for given slackIndex
# -----------------------------------------------------------------------------
#
proc Slack:_getHiColor {slackIndex} {
global Slack
return $Slack(hicol:$slackIndex)
}
# -----------------------------------------------------------------------------
# _getIndexFromHiColor - return slackIndex for a given hiColor
# -----------------------------------------------------------------------------
#
proc Slack:_getIndexFromHiColor {hiColor} {
global Slack
return $Slack(index:$hiColor)
}
# -----------------------------------------------------------------------------
# _find - Search instance (what="inst") in module with split pathLst
# starting at startIdx or net (what="net").
# -----------------------------------------------------------------------------
#
proc Slack:_find {mod pathLst startIdx what} {
global Slack
set len [llength $pathLst]
set inst {}
set endIdx $startIdx
while {$endIdx < $len} {
set instName [join [lrange $pathLst $startIdx $endIdx] $Slack(hierSep)]
set inst [$Slack(db) search inst $mod $instName]
##
# Increment endIdx for next loop.
#
incr endIdx
##
# If this instName can not be found,
# look for net name, if nothing found try a longer path.
#
if {[$Slack(db) oid isnull $inst]} {
if {$what == "net"} {
set netName [join [lrange $pathLst $endIdx-1 end] \
$Slack(hierSep)]
set net [$Slack(db) search net $mod $netName]
if {![$Slack(db) oid isnull $net]} {
return $net
}
}
set inst {}
continue
}
##
# If we are not at the end of path,
# prepare for next loop.
#
if {$endIdx != $len} {
if {[$Slack(db) isModule $inst]} {
##
# If found instance is a module instance,
# restart search with remaining path in referenced module.
#
set mod [$Slack(db) moduleOf $inst]
set startIdx $endIdx
set inst {}
} else {
##
# If found instance is a primitive instance,
# but we are not at the end of the path,
# path can not be resolved.
#
return {}
}
}
}
if {$what == "net"} {
return ""
}
return $inst
}
# -----------------------------------------------------------------------------
# _findInst - Find inst by instname which may contain partial flat inst parts.
# -----------------------------------------------------------------------------
#
proc Slack:_findInst {instName} {
global Slack
##
# Use hierSep for Splitting instName.
#
set pathLst [split $instName $Slack(hierSep)]
##
# Search complete instance starting at top
#
set inst [Slack:_find $Slack(top) $pathLst 0 "inst"]
##
# Return result
#
return $inst
}
# -----------------------------------------------------------------------------
# _findNet - Find inst by instname which may contain partial flat inst parts.
# -----------------------------------------------------------------------------
#
proc Slack:_findNet {netName} {
global Slack
##
# Use hierSep for Splitting netName.
#
set pathLst [split $netName $Slack(hierSep)]
##
# Search complete instance/net starting at top
#
set net [Slack:_find $Slack(top) $pathLst 0 "net"]
##
# Return result
#
return $net
}
# -----------------------------------------------------------------------------
# _add - Add slack to design
# -----------------------------------------------------------------------------
#
proc Slack:_add {obj slack} {
global Slack
##
# Categorize slack value.
#
set slackIndex [Slack:_getIndex $slack]
##
# Add slack attribute.
#
$Slack(db) flatattr $obj set "slack=$slack"
##
# Add highlight for found slack range.
#
set hicol [Slack:_getHiColor $slackIndex]
$Slack(db) flathilight $obj set $hicol
##
# Propagate the color up the hierarchy.
#
set top [$Slack(db) oid root $obj]
set path [$Slack(db) oid path $obj] ;# up instance path
while {$path != {}} {
##
# Create new instance oid.
#
set inst [$Slack(db) oid create [concat inst $top $path]]
##
# Check whether there is already an highlight in this path.
#
set col [$Slack(db) flathilight $inst get]
if {$col != {}} {
set index [Slack:_getIndexFromHiColor $col]
##
# If other slack index is already higher, stop propagation.
#
if {$slackIndex <= $index} {
break
}
}
##
# Set highlight color.
#
$Slack(db) flathilight $inst set $hicol
##
# Go up the hierarchy.
#
set path [$Slack(db) oid path $inst]
}
}
# -----------------------------------------------------------------------------
# _parse - Parse the Slack file.
# -----------------------------------------------------------------------------
#
proc Slack:_parse {fname} {
##
# open the file for reading.
#
set in [open $fname r]
##
# Read the file line by line.
#
set header true
set lineNo 0
while {![eof $in]} {
incr lineNo
gets $in line
##
# Look for header separator.
#
if {[string match "-----------*" $line]} {
set header false
continue
}
##
# Skip header info.
#
if {$header} {
continue
}
##
# Split line (multiple blank, tab etc. are ok)
#
set lst [regexp -all -inline {\S+} $line]
##
# Ignore lines which do not contain 2 fields.
#
set len [llength $lst]
if {$len != 2} {
if {$len != 0} {
gui console print "ignored line" w $fname $lineNo
}
continue
}
##
# Get values.
#
set objName [lindex $lst 0]
set slack [lindex $lst 1]
##
# Search instance.
#
set inst [Slack:_findInst $objName]
if {$inst != {}} {
##
# Process inst line.
#
Slack:_add $inst $slack
} else {
set net [Slack:_findNet $objName]
if {$net == {}} {
gui console print "$objName not found" w $fname $lineNo
continue
}
##
# Process net line.
#
Slack:_add $net $slack
}
}
##
# Close the input file.
#
close $in
}
# -----------------------------------------------------------------------------
# _read - Read the Slack file.
# -----------------------------------------------------------------------------
#
proc Slack:_read {fname} {
global Slack
##
# Get Database
#
set db [gui database get]
if {$db == {}} {
gui console print "empty database" w
return
}
##
# Init slack ranges
#
Slack:_init $db
if {$Slack(top) == {}} {
gui console print "no top module found" w
return
}
##
# Clear flat data.
#
$Slack(db) flatattr $Slack(top) deleteAll "slack"
$Slack(db) flathilight $Slack(top) deleteAll
##
# Parse the file.
#
Slack:_parse $fname
##
# Update GUI.
#
gui attribute changed
gui highlight changed
}
# -----------------------------------------------------------------------------
# _openFile - Show a browse file dialog to open a slack file.
# -----------------------------------------------------------------------------
#
proc Slack:_openFile {} {
set fname [gui window fileDialog openFile "Load Slack" \
{{"Slack Files" {".txt"}}}]
if {$fname == "" } {
return
}
Slack:_read $fname
}
# =============================================================================
# Add a new entry to the main menu to open a slack file.
# =============================================================================
#
gui menu command {"Userware" "Open Slack File"} {Slack:_openFile}
|