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440 | ###############################################################################
# Copyright (c) 2013-2024 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
# Userware script that reads in a force file.
###############################################################################
set forceList {}
# -----------------------------------------------------------------------------
# _getTop - Return top module of design
# -----------------------------------------------------------------------------
#
proc _getTop {db} {
##
# Set the OID of the top level module.
#
set top {}
$db foreach top t {
if {$top == {}} {
set top $t
} else {
zmessage print WAR "Multiple tops, using [$db oid oname $top]"
break
}
}
return $top
}
# -----------------------------------------------------------------------------
# _parseForce - Read the configuration from a file.
# return list of driver pins and there values.
# -----------------------------------------------------------------------------
#
proc _parseForce {fname db top} {
set result {}
##
# Read the force file line by line
#
set lineNo 0
set in [open $fname "r"]
while {![eof $in]} {
##
# Increment line number
#
incr lineNo
##
# Get the next line in the file.
#
set line [string trim [gets $in]]
##
# Ignore empty lines
#
if {$line == {}} {
continue
}
##
# Parse only lines starting with the keyword 'force' and
# end with a semicolon.
#
if {![string match "force *=*;" $line]} {
zmessage print WAR "Wrong syntax in line: '$line'" $fname $lineNo
continue
}
##
# Remove keyword 'force' and the semicolon at the end.
#
set line [string trim [string range $line 6 end-1]]
##
# Parse lines like: "force block.foo_reg[1] = 1;"
#
set fields [split $line "="]
set name [string trim [lindex $fields 0]]
set value [string trim [lindex $fields 1]]
if {$name == ""} {
zmessage print WAR "Name missing" $fname $lineNo
continue
}
if {$value == ""} {
zmessage print WAR "value missing" $fname $lineNo
continue
}
if {($value != "0") && ($value != "1")} {
zmessage print WAR \
"value '$value' of '$name' invalid" $fname $lineNo
continue
}
if {[string last "." $name] < 0} {
zmessage print WAR "Cannot find '.' in '$name'" $fname $lineNo
continue
}
zmessage print DBG \
"force $name = $value"
##
# Try to create a pin OID from this name.
#
if {[catch {
set pin [$db oid createFromString pin $top $name . -delim .]
} msg]} {
zmessage print WAR $msg $fname $lineNo
continue
}
##
# Add to result
#
lappend result $pin $value
}
return $result
}
# -----------------------------------------------------------------------------
# _processForcedDriver - Highlight forced drivers
# -----------------------------------------------------------------------------
#
proc _processForcedDriver {db} {
global forceList
foreach {pin value} $forceList {
##
# Highlight driver register.
#
set dir [$db directionOf $pin]
if {$dir != "output"} {
continue
}
set inst [$db oid convertTo inst $pin]
$db flathilight $inst set 3 ;# blue
}
}
# -----------------------------------------------------------------------------
# _processForcedInput - Highlight forced drivers
# -----------------------------------------------------------------------------
#
proc _processForcedInput {db pin value} {
##
# Mark active and inactive pin
# Because pin names are created by the RTL parser,
# we need to look for well defined port indices.
#
set inst [$db oid convertTo inst $pin]
set func [$db primFuncOf $inst]
switch -- $func {
"MUX" {
set pno -1
set d0 {}
set d1 {}
set sel {}
set p {}
$db foreach pin $inst p {
incr pno
##
# 0=>o, 1=d0, 2=d1, 3=sel
#
switch $pno {
0 {}
1 {set d0 $p}
2 {set d1 $p}
3 {set sel $p}
}
}
if {$p == $pin} {
if {$value} {
set active $d1
set inactive $d0
} else {
set active $d0
set inactive $d1
}
zmessage print DBG \
"value=$value active $active inactive $inactive"
$db flathilight $inactive set 0 ;# red
$db flathilight $active set 1 ;# green
$db flathilight $inst set 9 ;# pink
}
}
default {
zmessage print WAR "Func $func at pin $pin not supported"
}
}
}
# -----------------------------------------------------------------------------
# _processForcedValues - Highlight forced MUXes
# -----------------------------------------------------------------------------
#
proc _processForcedValues {db} {
global forceList
foreach {pin value} $forceList {
##
# Skip unconnected pins.
#
if {![$db isConnected $pin]} {
continue
}
##
# Add the value as an attribute.
#
set net [$db connectedNet $pin]
set signal [$db oid convertTo signal $net]
$db flat foreach net $signal net {
$db flatattr $net set value=$value
}
$db flat foreach pin $signal pin {
$db flatattr $pin set value=$value
}
##
# Process all connected flat pins
#
$db flat foreach pin $signal pin {
set dir [$db directionOf $pin]
if {$dir != "input"} {
continue
}
_processForcedInput $db $pin $value
}
}
}
# -----------------------------------------------------------------------------
# _loadCone -
# -----------------------------------------------------------------------------
#
proc _loadCone {connectedMux first} {
global forceList
set db [gui database get]
set oids {}
foreach {pin value} $forceList {
##
# Skip unconnected pins.
#
if {![$db isConnected $pin]} {
continue
}
##
# Get Signal
#
set net [$db connectedNet $pin]
set signal [$db oid convertTo signal $net]
if {$connectedMux} {
##
# Look for connected MUX
#
set hasMux false
$db flat foreach pin $signal p {
set inst [$db oid convertTo inst $p]
set func [$db primFuncOf $inst]
if {$func != "MUX"} {
continue
}
set pname [$db oid pname $p]
if {$pname != "sel"} {
continue
}
set hasMux true
break
}
if {!$hasMux} {
continue
}
##
# Get all connected flat pins
#
$db flat foreach pin -addHier $signal p {
lappend oids $p
}
} else {
$db flat foreach pin $signal p {
set inst [$db oid convertTo inst $p]
set func [$db primFuncOf $inst]
if {$func != "MUX"} {
continue
}
set pname [$db oid pname $p]
if {$pname != "sel"} {
continue
}
lappend oids $inst
}
}
if {$first && ($oids != {})} {
break
}
}
##
# Load cone
#
gui cone load $oids
gui window show Cone
}
# -----------------------------------------------------------------------------
# _doAll - Call everything needed
# -----------------------------------------------------------------------------
#
proc _doAll {db forceFile inGui} {
global forceList
##
# Return if the database is empty.
#
if {$db == {}} {
return
}
set top [_getTop $db]
set forceList [_parseForce $forceFile $db $top]
_processForcedDriver $db
_processForcedValues $db
if {$inGui} {
gui highlight changed
gui attribute changed
}
}
# -----------------------------------------------------------------------------
# _getForceFile - Start from userware menu
# -----------------------------------------------------------------------------
#
proc _getForceFile {} {
set forceFile [gui window fileDialog openFile "Force File" {{"Force" {.v}}}]
if {$forceFile == {}} {
return
}
_doAll [gui database get] $forceFile true
}
# -----------------------------------------------------------------------------
# _updateMenu - add menu entries for loading cone
# -----------------------------------------------------------------------------
#
proc _updateMenu {menuId} {
global forceList
set db [gui database get]
if {($db == {}) || ($forceList == {})} {
$menuId entryconfigure end -state disabled
} else {
$menuId entryconfigure end -state normal
}
}
# -----------------------------------------------------------------------------
# _extendUserwareMenu - add menu entries for loading cone
# -----------------------------------------------------------------------------
#
proc _extendUserwareMenu {} {
gui menu command {"Userware" "Load Force File"} {_getForceFile}
gui menu separator {"Userware"}
gui menu command {"Userware" "1st Mux only"} \
[list _loadCone false true]
gui menu command {"Userware" "All Mux only"} \
[list _loadCone false false]
gui menu command {"Userware" "1st Mux and Connect"} \
[list _loadCone true true]
gui menu command {"Userware" "All Mux and Connect"} \
[list _loadCone true false]
gui menu customizeEntry {"Userware" "1st Mux only"} _updateMenu
gui menu customizeEntry {"Userware" "All Mux only"} _updateMenu
gui menu customizeEntry {"Userware" "1st Mux and Connect"} _updateMenu
gui menu customizeEntry {"Userware" "All Mux and Connect"} _updateMenu
}
# -----------------------------------------------------------------------------
# Check different ways to run this script.
# -----------------------------------------------------------------------------
#
if {$argc == 0} {
##
# Extend userware menu
#
_extendUserwareMenu
} elseif {$argc == 1} {
##
# Run in the GUI as '-userware2'.
#
_extendUserwareMenu
set forceFile [lindex $argv 0]
_doAll [gui database get] $forceFile false
} elseif {$argc == 2} {
##
# Run in a 'zdbsh'.
#
set forceFile [lindex $argv 0]
set binfile [lindex $argv 1]
set db [zdb open $binfile]
_doAll $db $forceFile false
} else {
error "Wrong number of args."
}
|