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107 | ###############################################################################
# Copyright (c) 2021-2024 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
# Create Symbols from Liberty Attributes
###############################################################################
# =============================================================================
# Start - If a database is available run Function2Symbol.
# =============================================================================
#
proc Function2Symbol:Start {} {
set db [gui database get]
if {$db != {}} {
preProcessCells $db
processCells $db
gui database modified
}
}
# -----------------------------------------------------------------------------
# copyAttr - Copy all attributes at the given oid and prefix it with an @ sign.
# -----------------------------------------------------------------------------
#
proc copyAttr {db oid attrList} {
foreach attr $attrList {
set firstChar [string index $attr 0]
if {($firstChar eq "!") || ($firstChar eq "@")} {
continue
}
$db attr $oid set @$attr
}
}
# -----------------------------------------------------------------------------
# preProcessCells - Preprocess all cells and prepare the attributes.
# -----------------------------------------------------------------------------
#
proc preProcessCells {db} {
$db foreach cell cell {
set attrList [$db attr $cell get]
if {[$db flag $cell is clock]} {
lappend attrList "ff=1"
}
copyAttr $db $cell $attrList
$db foreach port $cell port {
set function [$db attr $port getValue "function"]
if {$function ne ""} {
$db attr $port set function=[string trim $function "\""]
}
set attrList [$db attr $port get]
copyAttr $db $port $attrList
}
}
}
# -----------------------------------------------------------------------------
# processCells - Process all cells and call 'synbool map'.
# -----------------------------------------------------------------------------
#
proc processCells {db} {
$db foreach cell cell {
set function ""
$db foreach oPort output $cell port {
set function [$db attr $port getValue "function"]
if {$function ne ""} {
break
}
}
if {$function ne ""} {
if {[catch {
zdb synbool map -renderequation $db $cell
} errMsg]} {
if {[$db flag $cell is clock]} {
$db attr $cell set @symbol=GEN
zmessage print WAR "Use GEN symbol for DFF"
} else {
zmessage print WAR $errMsg
}
}
}
}
}
##
# Register the Start procedure to be executed once the design is ready.
#
gui database registerDesignReadyCallback "Function2Symbol:Start"
|