Corrected an error in "series_sort" that will overwrite memory
randomly if combining series devices that do not have an "S" property (which is the typical case). This will normally result in a crash.
This commit is contained in:
Tim Edwards
parent
064195ecc9
commit
a332c23524
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@ -4121,6 +4121,7 @@ void series_sort(struct objlist *ob1, struct nlist *tp1, int idx1, int run)
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sval = 1;
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cval = slop = 0.0;
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for (i = 0; i < run; i++) {
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sl = NULL;
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merge_type = MERGE_NONE;
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for (p = 0;; p++) {
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vl = &(obp->instance.props[p]);
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@ -4149,13 +4150,13 @@ void series_sort(struct objlist *ob1, struct nlist *tp1, int idx1, int run)
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proplist[i].value = cval * (double)sval;
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proplist[i].slop = slop;
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proplist[i].avalue = 0;
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sl->value.ival = 1;
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if (sl) sl->value.ival = 1;
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}
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else if (merge_type == MERGE_S_PAR) {
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proplist[i].value = cval / (double)sval;
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proplist[i].slop = slop;
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proplist[i].avalue = 0;
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sl->value.ival = 1;
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if (sl) sl->value.ival = 1;
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}
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else {
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/* Components which declare no series addition method stay unsorted */
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@ -0,0 +1,891 @@
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#!/bin/env python3
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#
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#--------------------------------------------------------
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# LVS Manager GUI.
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#
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# This is a Python tkinter script that handles the
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# process of running LVS and interpreting results.
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#
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#--------------------------------------------------------
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# Written by Tim Edwards
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# efabless, inc.
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# Version 1. November 30, 2016
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# Version 2. March 6, 2017. Reads JSON format output
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# Version 3. April 25, 2018. Handles layout vs. verilog
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#--------------------------------------------------------
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import io
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import os
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import re
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import sys
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import json
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import shutil
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import signal
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import socket
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import select
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import datetime
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import contextlib
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import subprocess
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import tkinter
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from tkinter import ttk
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from tkinter import filedialog
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import tksimpledialog
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import tooltip
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from consoletext import ConsoleText
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from helpwindow import HelpWindow
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from treeviewsplit import TreeViewSplit
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# User preferences file (if it exists)
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prefsfile = '~/.profile/prefs.json'
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netgen_script_dir = '/usr/local/lib/netgen/python'
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#------------------------------------------------------
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# Simple dialog for confirming quit
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#------------------------------------------------------
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class ConfirmDialog(tksimpledialog.Dialog):
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def body(self, master, warning, seed):
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if warning:
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ttk.Label(master, text=warning, wraplength=500).grid(row = 0, columnspan = 2, sticky = 'wns')
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return self
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def apply(self):
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return 'okay'
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#------------------------------------------------------
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# Main class for this application
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#------------------------------------------------------
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class LVSManager(ttk.Frame):
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"""LVS Manager GUI."""
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def __init__(self, parent, *args, **kwargs):
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ttk.Frame.__init__(self, parent, *args, **kwargs)
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self.root = parent
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self.init_gui()
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parent.protocol("WM_DELETE_WINDOW", self.on_quit)
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def on_quit(self):
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"""Exits program."""
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if self.msock:
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self.msock.close()
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quit()
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def init_gui(self):
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"""Builds GUI."""
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global prefsfile
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message = []
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fontsize = 11
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# Read user preferences file, get default font size from it.
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prefspath = os.path.expanduser(prefsfile)
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if os.path.exists(prefspath):
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with open(prefspath, 'r') as f:
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self.prefs = json.load(f)
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if 'fontsize' in self.prefs:
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fontsize = self.prefs['fontsize']
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else:
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self.prefs = {}
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s = ttk.Style()
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available_themes = s.theme_names()
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s.theme_use(available_themes[0])
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s.configure('bg.TFrame', background='gray40')
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s.configure('italic.TLabel', font=('Helvetica', fontsize, 'italic'))
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s.configure('title.TLabel', font=('Helvetica', fontsize, 'bold italic'),
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foreground = 'brown', anchor = 'center')
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s.configure('normal.TLabel', font=('Helvetica', fontsize))
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s.configure('red.TLabel', font=('Helvetica', fontsize), foreground = 'red')
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s.configure('green.TLabel', font=('Helvetica', fontsize), foreground = 'green3')
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s.configure('blue.TLabel', font=('Helvetica', fontsize), foreground = 'blue')
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s.configure('normal.TButton', font=('Helvetica', fontsize),
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border = 3, relief = 'raised')
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s.configure('red.TButton', font=('Helvetica', fontsize), foreground = 'red',
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border = 3, relief = 'raised')
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s.configure('green.TButton', font=('Helvetica', fontsize), foreground = 'green3',
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border = 3, relief = 'raised')
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s.configure('blue.TButton', font=('Helvetica', fontsize), foreground = 'blue',
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border = 3, relief = 'raised')
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s.configure('redtitle.TButton', font=('Helvetica', fontsize, 'bold italic'),
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foreground = 'red', border = 3, relief = 'raised')
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s.configure('bluetitle.TButton', font=('Helvetica', fontsize, 'bold italic'),
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foreground = 'blue', border = 3, relief = 'raised')
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# These values to be overridden from arguments
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self.rootpath = None
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self.project = None
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self.logfile = None
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self.msock = None
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self.help = None
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# Create the help window
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if os.path.exists(netgen_script_dir + '/netgen_help.txt'):
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self.help = HelpWindow(self, fontsize = fontsize)
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with io.StringIO() as buf, contextlib.redirect_stdout(buf):
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self.help.add_pages_from_file('lvs_help.txt')
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message = buf.getvalue()
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# Set the help display to the first page
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self.help.page(0)
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# Variables used by option menus and other stuff
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self.project = "(no selection)"
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self.layout = "(default)"
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self.schematic = "(default)"
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self.tech = "(none)"
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self.lvs_setup = ''
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self.lvsdata = {}
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# Root window title
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self.root.title('LVS Manager')
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self.root.option_add('*tearOff', 'FALSE')
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self.pack(side = 'top', fill = 'both', expand = 'true')
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pane = tkinter.PanedWindow(self, orient = 'vertical', sashrelief='groove', sashwidth=6)
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pane.pack(side = 'top', fill = 'both', expand = 'true')
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self.toppane = ttk.Frame(pane)
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self.botpane = ttk.Frame(pane)
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# Get username
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if 'username' in self.prefs:
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username = self.prefs['username']
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else:
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username = os.environ['USER']
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# Label with the user
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self.toppane.title_frame = ttk.Frame(self.toppane)
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self.toppane.title_frame.pack(side = 'top', fill = 'x')
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self.toppane.title_frame.title = ttk.Label(self.toppane.title_frame, text='User:', style = 'red.TLabel')
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self.toppane.title_frame.user = ttk.Label(self.toppane.title_frame, text=username, style = 'blue.TLabel')
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self.toppane.title_frame.title.grid(column=0, row=0, ipadx = 5)
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self.toppane.title_frame.user.grid(column=1, row=0, ipadx = 5)
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self.toppane.title2_frame = ttk.Frame(self.toppane)
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self.toppane.title2_frame.pack(side = 'top', fill = 'x')
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self.toppane.title2_frame.project_label = ttk.Label(self.toppane.title2_frame, text="Project:",
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style = 'title.TLabel')
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self.toppane.title2_frame.project_label.grid(column=0, row=0, ipadx = 5)
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# New project select button
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self.toppane.title2_frame.project_select = ttk.Button(self.toppane.title2_frame,
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text=self.project, style='normal.TButton', command=self.choose_project)
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self.toppane.title2_frame.project_select.grid(column=1, row=0, ipadx = 5)
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tooltip.ToolTip(self.toppane.title2_frame.project_select,
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text = "Select new project")
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# Show path to project
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self.toppane.title2_frame.path_label = ttk.Label(self.toppane.title2_frame, text=self.project,
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style = 'normal.TLabel')
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self.toppane.title2_frame.path_label.grid(column=2, row=0, ipadx = 5, padx = 10)
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# Show top-level layout cellname with select button. Initial cell name is the top-level cell.
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self.toppane.title2_frame.tech_label = ttk.Label(self.toppane.title2_frame, text="Technology setup:",
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style = 'title.TLabel')
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self.toppane.title2_frame.tech_label.grid(column=3, row=0, ipadx = 5)
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self.toppane.title2_frame.tech_select = ttk.Button(self.toppane.title2_frame,
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text=self.tech, style='normal.TButton', command=self.choose_tech)
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self.toppane.title2_frame.tech_select.grid(column=4, row=0, ipadx = 3, padx = 3)
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self.toppane.title2_frame.layout_label = ttk.Label(self.toppane.title2_frame, text="Layout:",
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style = 'title.TLabel')
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self.toppane.title2_frame.layout_label.grid(column=0, row=1, ipadx = 5)
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self.toppane.title2_frame.layout_select = ttk.Button(self.toppane.title2_frame,
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text=self.layout, style='normal.TButton', command=self.choose_layout)
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self.toppane.title2_frame.layout_select.grid(column=1, row=1, ipadx = 3, padx = 3)
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# Show top-level schematic cellname with select button. Initial cell name is the top-level cell.
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self.toppane.title2_frame.schem_label = ttk.Label(self.toppane.title2_frame, text="Schematic:",
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style = 'title.TLabel')
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self.toppane.title2_frame.schem_label.grid(column=3, row=1, ipadx = 5)
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self.toppane.title2_frame.schem_select = ttk.Button(self.toppane.title2_frame,
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text=self.schematic, style='normal.TButton', command=self.choose_netlist)
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self.toppane.title2_frame.schem_select.grid(column=4, row=1, ipadx = 3, padx = 3)
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tooltip.ToolTip(self.toppane.title2_frame.project_select,
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text = "Select new project")
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tooltip.ToolTip(self.toppane.title2_frame.layout_select,
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text = "Select a layout subcirucit to compare")
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tooltip.ToolTip(self.toppane.title2_frame.schem_select,
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text = "Select a schematic subcirucit to compare")
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#---------------------------------------------
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ttk.Separator(self.toppane, orient='horizontal').pack(side = 'top', fill = 'x')
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#---------------------------------------------
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# Create listbox of Circuit1 vs. Circuit2 results
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height = 10
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self.toppane.lvsreport = TreeViewSplit(self.toppane, fontsize = fontsize)
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self.toppane.lvsreport.populate("Layout:", [], "Schematic:", [],
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[["Run", True, self.run_lvs],
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# ["Find", True, self.findrecord]
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], height = height)
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self.toppane.lvsreport.set_title("Line")
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self.toppane.lvsreport.pack(side = 'top', fill = 'both', expand = 'true')
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tooltip.ToolTip(self.toppane.lvsreport.get_button(0), text="Run LVS")
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#---------------------------------------------
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# ttk.Separator(self, orient='horizontal').grid(column=0, row=3, sticky='ew')
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#---------------------------------------------
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# Add a text window below the project name to capture output. Redirect
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# print statements to it.
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self.botpane.console = ttk.Frame(self.botpane)
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self.botpane.console.pack(side = 'top', fill = 'both', expand = 'true')
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self.text_box = ConsoleText(self.botpane.console, wrap='word', height = 4)
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self.text_box.pack(side='left', fill='both', expand='true')
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console_scrollbar = ttk.Scrollbar(self.botpane.console)
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console_scrollbar.pack(side='right', fill='y')
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# attach console to scrollbar
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self.text_box.config(yscrollcommand = console_scrollbar.set)
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console_scrollbar.config(command = self.text_box.yview)
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# Add button bar at the bottom of the window
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self.botpane.bbar = ttk.Frame(self.botpane)
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self.botpane.bbar.pack(side = 'top', fill = 'x')
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# Define the "quit" button and action
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self.botpane.bbar.quit_button = ttk.Button(self.botpane.bbar, text='Quit', command=self.on_quit,
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style = 'normal.TButton')
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self.botpane.bbar.quit_button.grid(column=0, row=0, padx = 5)
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# Define help button
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if self.help:
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self.botpane.bbar.help_button = ttk.Button(self.botpane.bbar, text='Help',
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command=self.help.open, style = 'normal.TButton')
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self.botpane.bbar.help_button.grid(column = 2, row = 0, padx = 5)
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tooltip.ToolTip(self.botpane.bbar.help_button, text = "Show help window")
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# Add the panes once the internal geometry is known.
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pane.add(self.toppane)
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pane.add(self.botpane)
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pane.paneconfig(self.toppane, stretch='first')
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# Redirect stdout and stderr to the console as the last thing to do. . .
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# Otherwise errors in the GUI get sucked into the void.
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self.stdout = sys.stdout
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self.stderr = sys.stderr
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sys.stdout = ConsoleText.StdoutRedirector(self.text_box)
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sys.stderr = ConsoleText.StderrRedirector(self.text_box)
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if message:
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print(message)
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def logprint(self, message, doflush=False):
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if self.logfile:
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self.logfile.buffer.write(message.encode('utf-8'))
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self.logfile.buffer.write('\n'.encode('utf-8'))
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if doflush:
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self.logfile.flush()
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def printout(self, output):
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# Generate output
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if not output:
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return
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outlines = output.splitlines()
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for line in outlines:
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try:
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print(line)
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except TypeError:
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line = line.decode('utf-8')
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pritn(line)
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def printwarn(self, output):
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# Check output for warning or error
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if not output:
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return 0
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warnrex = re.compile('.*warning', re.IGNORECASE)
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errrex = re.compile('.*error', re.IGNORECASE)
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errors = 0
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outlines = output.splitlines()
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for line in outlines:
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try:
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wmatch = warnrex.match(line)
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except TypeError:
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line = line.decode('utf-8')
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wmatch = warnrex.match(line)
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ematch = errrex.match(line)
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if ematch:
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errors += 1
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if ematch or wmatch:
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print(line)
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return errors
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def choose_tech(self):
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try:
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project_path = self.rootpath
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initdirname = self.rootpath + '/tech',
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except:
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print('Must choose a project first.')
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return
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techname = filedialog.askopenfilename(multiple=False,
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initialdir = initdirname,
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filetypes = (("Tcl script", "*.tcl"),("All Files","*.*")),
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title = "Choose a netgen technology setup script.")
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if techname != '':
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print("Selected technology setup script " + techname)
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techbase = os.path.split(techname)[1]
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self.tech = os.path.splitext(techbase)[0]
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self.lvs_setup = techname
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self.toppane.title2_frame.tech_select.config(text = self.tech)
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def choose_layout(self):
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try:
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project_path = self.rootpath
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initdirname = self.rootpath + '/layout',
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except:
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print('Must choose a project first.')
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return
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cellname = filedialog.askopenfilename(multiple=False,
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initialdir = initdirname,
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filetypes = (("Magic layout", "*.mag"),("All Files","*.*")),
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title = "Choose a layout cell to compare.")
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if cellname != '':
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print("Selected compare cell " + cellname)
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self.layout = cellname
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cellbase = os.path.split(cellname)[1]
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layoutname = os.path.splitext(cellbase)[0]
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self.toppane.title2_frame.layout_select.config(text = layoutname)
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fileext = os.path.splitext(cellbase)[1]
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if fileext == '.mag':
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self.toppane.title2_frame.layout_label.config(text = 'Layout:')
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else:
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self.toppane.title2_frame.layout_label.config(text = 'Layout netlist:')
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def choose_netlist(self):
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try:
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project_path = self.rootpath
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initdirname = self.rootpath + '/netlist/' + self.project + '.spice'
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except:
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print('Must choose a project first.')
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return
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cellname = filedialog.askopenfilename(multiple=False,
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initialdir = initdirname,
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filetypes = (("Spice netlist", "*.spice"),("Verilog netlist", "*.v"),("All Files","*.*")),
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title = "Choose a netlist to compare.")
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if cellname != '':
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print("Selected compare cell " + cellname)
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self.schematic = cellname
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cellbase = os.path.split(cellname)[1]
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schematic_name = os.path.splitext(cellbase)[0]
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self.toppane.title2_frame.schem_select.config(text = schematic_name)
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fileext = os.path.splitext(cellbase)[1]
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if fileext == '.v':
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self.toppane.title2_frame.schem_label.config(text = 'Verilog netlist:')
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elif fileext == '.sp' or fileext == '.spice' or fileext == '.spi' or fileext == '.spc' or fileext == '.ckt':
|
||||
self.toppane.title2_frame.schem_label.config(text = 'SPICE netlist:')
|
||||
elif fileext == '.cdl':
|
||||
self.toppane.title2_frame.schem_label.config(text = 'CDL netlist:')
|
||||
else:
|
||||
self.toppane.title2_frame.schem_label.config(text = 'Unknown netlist:')
|
||||
|
||||
def choose_project(self):
|
||||
project = filedialog.askdirectory(initialdir = os.getcwd(),
|
||||
title = "Find a project.")
|
||||
if project != '':
|
||||
print("Selected project " + str(project))
|
||||
result = self.set_project(project)
|
||||
|
||||
def set_project(self, rootpath, project_name=None):
|
||||
|
||||
# Check if rootpath is valid. For LVS, there should be subdirectories
|
||||
# "layout/" and "netlist/" or "verilog/".
|
||||
|
||||
haslay = os.path.isdir(rootpath + '/layout')
|
||||
hasvlog = os.path.isdir(rootpath + '/verilog')
|
||||
hasnet = os.path.isdir(rootpath + '/netlist')
|
||||
if not haslay or not (hasvlog or hasnet):
|
||||
if not haslay:
|
||||
print("Project path has no layout (/layout) subdirectory.")
|
||||
if not (hasvlog or hasnet):
|
||||
print("Project path has no verilog (/verilog), or netlist (/netlist) subdirectory.")
|
||||
# Continue anyway; assume that netlists will be selected manually
|
||||
|
||||
if self.logfile:
|
||||
self.logfile.close()
|
||||
self.logfile = None
|
||||
|
||||
if not project_name:
|
||||
project = os.path.split(rootpath)[1]
|
||||
else:
|
||||
project = project_name
|
||||
|
||||
if self.project != project:
|
||||
|
||||
self.rootpath = rootpath
|
||||
self.project = project
|
||||
|
||||
# Clear out old project data
|
||||
self.toppane.lvsreport.repopulate([], [])
|
||||
|
||||
# Close any open logfile.
|
||||
if self.logfile:
|
||||
self.logfile.close()
|
||||
self.logfile = None
|
||||
|
||||
# Put new log file called 'lvs.log' in the mag/ subdirectory
|
||||
if os.path.exists(rootpath + '/layout'):
|
||||
self.logfile = open(rootpath + '/layout/lvs.log', 'w')
|
||||
else:
|
||||
self.logfile = open(rootpath + '/lvs.log', 'w')
|
||||
# Print some initial information to the logfile.
|
||||
self.logprint('Starting new log file ' + datetime.datetime.now().strftime('%c'),
|
||||
doflush=True)
|
||||
|
||||
# Update project button
|
||||
self.toppane.title2_frame.project_select.config(text = self.project)
|
||||
self.toppane.title2_frame.path_label.config(text = self.rootpath)
|
||||
# Cell name is the same as project name initially
|
||||
self.layout = self.project
|
||||
self.schematic = self.project
|
||||
layname = os.path.splitext(os.path.split(self.layout)[1])[0]
|
||||
self.toppane.title2_frame.layout_select.config(text = layname)
|
||||
schemname = os.path.splitext(os.path.split(self.schematic)[1])[0]
|
||||
self.toppane.title2_frame.schem_select.config(text = schemname)
|
||||
|
||||
# Update schematic button
|
||||
if os.path.splitext(self.schematic)[1] == '.v':
|
||||
self.toppane.title2_frame.schem_label.config(text = 'Verilog netlist:')
|
||||
else:
|
||||
self.toppane.title2_frame.schem_label.config(text = 'Schematic netlist:')
|
||||
|
||||
# Update layout button
|
||||
if os.path.splitext(self.layout)[1] == '.mag':
|
||||
self.toppane.title2_frame.schem_label.config(text = 'Layout:')
|
||||
else:
|
||||
self.toppane.title2_frame.schem_label.config(text = 'Layout netlist:')
|
||||
|
||||
# If there is a comparison file that post-dates both netlists, load it.
|
||||
self.check_lvs()
|
||||
return True
|
||||
|
||||
def check_layout_out_of_date(self, spipath, layoutpath):
|
||||
# Check if a netlist (spipath) is out-of-date relative to the layouts
|
||||
# (layoutpath). Need to read the netlist and check all of the subcells.
|
||||
need_capture = False
|
||||
if not os.path.isfile(spipath):
|
||||
return True
|
||||
if os.path.isfile(layoutpath):
|
||||
spi_statbuf = os.stat(spipath)
|
||||
lay_statbuf = os.stat(layoutpath)
|
||||
if spi_statbuf.st_mtime < lay_statbuf.st_mtime:
|
||||
# netlist exists but is out-of-date
|
||||
need_capture = True
|
||||
else:
|
||||
# only found that the top-level-layout is older than the
|
||||
# netlist. Now need to read the netlist, find all subcircuits,
|
||||
# and check those dates, too.
|
||||
layoutdir = os.path.split(layoutpath)[0]
|
||||
subrex = re.compile('^[^\*]*[ \t]*.subckt[ \t]+([^ \t]+).*$', re.IGNORECASE)
|
||||
with open(spipath, 'r') as ifile:
|
||||
duttext = ifile.read()
|
||||
|
||||
dutlines = duttext.replace('\n+', ' ').splitlines()
|
||||
for line in dutlines:
|
||||
lmatch = subrex.match(line)
|
||||
if lmatch:
|
||||
subname = lmatch.group(1)
|
||||
sublayout = layoutdir + '/' + subname + '.mag'
|
||||
# subcircuits that cannot be found in the current directory are
|
||||
# assumed to be library components and therefore never out-of-date.
|
||||
if os.path.exists(sublayout):
|
||||
sub_statbuf = os.stat(sublayout)
|
||||
if spi_statbuf.st_mtime < lay_statbuf.st_mtime:
|
||||
# netlist exists but is out-of-date
|
||||
need_capture = True
|
||||
break
|
||||
return need_capture
|
||||
|
||||
def check_schematic_out_of_date(self, spipath, schempath):
|
||||
# Check if a netlist (spipath) is out-of-date relative to the schematics
|
||||
# (schempath). Need to read the netlist and check all of the subcells.
|
||||
need_capture = False
|
||||
if not os.path.isfile(spipath):
|
||||
return True
|
||||
if os.path.isfile(schempath):
|
||||
spi_statbuf = os.stat(spipath)
|
||||
sch_statbuf = os.stat(schempath)
|
||||
if spi_statbuf.st_mtime < sch_statbuf.st_mtime:
|
||||
# netlist exists but is out-of-date
|
||||
need_capture = True
|
||||
else:
|
||||
# only found that the top-level-schematic is older than the
|
||||
# netlist. Now need to read the netlist, find all subcircuits,
|
||||
# and check those dates, too.
|
||||
schemdir = os.path.split(schempath)[0]
|
||||
subrex = re.compile('^[^\*]*[ \t]*.subckt[ \t]+([^ \t]+).*$', re.IGNORECASE)
|
||||
with open(spipath, 'r') as ifile:
|
||||
duttext = ifile.read()
|
||||
|
||||
dutlines = duttext.replace('\n+', ' ').splitlines()
|
||||
for line in dutlines:
|
||||
lmatch = subrex.match(line)
|
||||
if lmatch:
|
||||
subname = lmatch.group(1)
|
||||
# NOTE: Electric uses library:cell internally to track libraries,
|
||||
# and maps the ":" to "__" in the netlist. Not entirely certain that
|
||||
# the double-underscore uniquely identifies the library:cell. . .
|
||||
librex = re.compile('(.*)__(.*)', re.IGNORECASE)
|
||||
lmatch = librex.match(subname)
|
||||
if lmatch:
|
||||
elecpath = os.path.split(os.path.split(schempath)[0])[0]
|
||||
libname = lmatch.group(1)
|
||||
subschem = elecpath + '/' + libname + '.delib/' + lmatch.group(2) + '.sch'
|
||||
else:
|
||||
libname = {}
|
||||
subschem = schemdir + '/' + subname + '.sch'
|
||||
# subcircuits that cannot be found in the current directory are
|
||||
# assumed to be library components and therefore never out-of-date.
|
||||
if os.path.exists(subschem):
|
||||
sub_statbuf = os.stat(subschem)
|
||||
if spi_statbuf.st_mtime < sub_statbuf.st_mtime:
|
||||
# netlist exists but is out-of-date
|
||||
need_capture = True
|
||||
break
|
||||
# mapping of characters to what's allowed in SPICE makes finding
|
||||
# the associated schematic file a bit difficult. Requires wild-card
|
||||
# searching.
|
||||
elif libname:
|
||||
restr = lmatch.group(2) + '.sch'
|
||||
restr = restr.replace('.', '\.')
|
||||
restr = restr.replace('_', '.')
|
||||
schrex = re.compile(restr, re.IGNORECASE)
|
||||
libpath = elecpath + '/' + libname + '.delib'
|
||||
if os.path.exists(libpath):
|
||||
liblist = os.listdir(libpath)
|
||||
for file in liblist:
|
||||
lmatch = schrex.match(file)
|
||||
if lmatch:
|
||||
subschem = libpath + '/' + file
|
||||
sub_statbuf = os.stat(subschem)
|
||||
if spi_statbuf.st_mtime < sch_statbuf.st_mtime:
|
||||
# netlist exists but is out-of-date
|
||||
need_capture = True
|
||||
break
|
||||
return need_capture
|
||||
|
||||
def check_lvs(self):
|
||||
# If both netlists exist, and comp.json is more recent than both, then
|
||||
# load LVS results from comp.json
|
||||
project_path = self.rootpath
|
||||
project_name = self.project
|
||||
layout_path = project_path + '/layout/' + project_name + '.spice'
|
||||
net_path = project_path + '/netlist/' + project_name + '.spice'
|
||||
comp_path = project_path + '/layout/comp.json'
|
||||
|
||||
if os.path.exists(layout_path) and os.path.exists(net_path) and os.path.exists(comp_path):
|
||||
magtime = os.stat(layout_path).st_mtime
|
||||
schemtime = os.stat(net_path).st_mtime
|
||||
comptime = os.stat(comp_path).st_mtime
|
||||
if comptime > magtime and comptime > schemtime:
|
||||
print("Loading LVS results from file.")
|
||||
self.generate(comp_path)
|
||||
|
||||
def generate_layout_netlist(self, layout_path, layout_src, project_path):
|
||||
# Does layout netlist exist and is it current?
|
||||
if self.check_layout_out_of_date(layout_path, layout_src):
|
||||
print('Generating layout netlist.')
|
||||
self.update_idletasks()
|
||||
mproc = subprocess.Popen(['magic', '-dnull', '-noconsole',
|
||||
self.layout], stdin = subprocess.PIPE, stdout = subprocess.PIPE,
|
||||
stderr = subprocess.PIPE, cwd = project_path + '/layout',
|
||||
universal_newlines = True)
|
||||
mproc.stdin.write("select top cell\n")
|
||||
mproc.stdin.write("expand\n")
|
||||
mproc.stdin.write("extract all\n")
|
||||
mproc.stdin.write("ext2spice hierarchy on\n")
|
||||
mproc.stdin.write("ext2spice format ngspice\n")
|
||||
mproc.stdin.write("ext2spice scale off\n")
|
||||
mproc.stdin.write("ext2spice renumber off\n")
|
||||
mproc.stdin.write("ext2spice subcircuit top auto\n")
|
||||
mproc.stdin.write("ext2spice cthresh infinite\n")
|
||||
mproc.stdin.write("ext2spice rthresh infinite\n")
|
||||
mproc.stdin.write("ext2spice blackbox on\n")
|
||||
mproc.stdin.write("ext2spice -o " + self.layout + ".spice\n")
|
||||
mproc.stdin.write("quit -noprompt\n")
|
||||
magicout = mproc.communicate()[0]
|
||||
self.printwarn(magicout)
|
||||
if mproc.returncode != 0:
|
||||
print('Failure to generate new layout netlist.')
|
||||
return False
|
||||
|
||||
# Move .spice netlist to project_dir/netlist/lvs/
|
||||
shutil.move(project_path + '/layout/' + self.layout + '.spice', layout_path)
|
||||
# Remove extraction files
|
||||
for file in os.listdir(project_path + '/layout'):
|
||||
if os.path.splitext(file)[1] == '.ext':
|
||||
os.remove(project_path + '/layout/' + file)
|
||||
else:
|
||||
print('Layout netlist is up-to-date, not regenerating.')
|
||||
return True
|
||||
|
||||
def run_lvs(self, value):
|
||||
# "value" is ignored (?)
|
||||
|
||||
# Check if netlists exist and are current; otherwise create them.
|
||||
# Then run LVS.
|
||||
|
||||
project_path = self.rootpath
|
||||
project_name = self.project
|
||||
|
||||
# Diagnostic:
|
||||
print('project_name is ' + project_name)
|
||||
print('project_path is ' + project_path)
|
||||
print('self.layout is ' + self.layout)
|
||||
print('self.schematic is ' + self.schematic)
|
||||
print('self.lvs_setup is ' + self.lvs_setup)
|
||||
|
||||
has_vlog = False
|
||||
vlog_path = project_path + '/verilog/' + project_name + '.v'
|
||||
|
||||
if os.path.isfile(self.layout):
|
||||
layout_path = self.layout
|
||||
layout_src = None
|
||||
else:
|
||||
layout_path = project_path + '/netlist/lvs/' + self.layout + '.spice'
|
||||
layout_src = project_path + '/layout/' + self.layout + '.mag'
|
||||
|
||||
comp_dir = os.path.split(layout_path)[0]
|
||||
comp_path = comp_dir + '/comp.json'
|
||||
|
||||
if os.path.isfile(self.schematic):
|
||||
net_path = self.schematic
|
||||
else:
|
||||
net_path = project_path + '/netlist/schem/' + self.schematic + '.spice'
|
||||
|
||||
# Does the setup file exist (this is optional)?
|
||||
if self.lvs_setup == '' and not os.path.isfile('setup.tcl'):
|
||||
print('No technology setup file selected.')
|
||||
elif not os.path.isfile(self.lvs_setup):
|
||||
print("Can't find technology setup file " + self.lvs_setup)
|
||||
|
||||
# Does schematic netlist exist?
|
||||
if not os.path.isfile(vlog_path) and not os.path.isfile(net_path):
|
||||
print('Error: No schematic netlist or verilog netlist.')
|
||||
return
|
||||
|
||||
# Does LVS netlist subdirectory exist?
|
||||
if os.path.exists(project_path + '/netlist'):
|
||||
if not os.path.exists(project_path + '/netlist/lvs'):
|
||||
os.makedirs(project_path + '/netlist/lvs')
|
||||
|
||||
# Does layout netlist exist and is it current?
|
||||
if layout_src:
|
||||
if not self.generate_layout_netlist(layout_path, layout_src, project_path):
|
||||
return False
|
||||
|
||||
# Final checks
|
||||
if not os.path.isfile(layout_path):
|
||||
print('Error: No netlist generated from magic.')
|
||||
return
|
||||
|
||||
else:
|
||||
# Read in netlist and convert commas from [X,Y] arrays to vertical bars
|
||||
# as something that can be converted back as necessary. ngspice treats
|
||||
# commas as special characters for some reason.
|
||||
with open(layout_path) as ifile:
|
||||
spitext = ifile.read()
|
||||
|
||||
# Check the netlist to see if the cell to match is a subcircuit. If
|
||||
# not, then assume it is the top level.
|
||||
|
||||
layoutcell = os.path.splitext(os.path.split(self.layout)[1])[0]
|
||||
is_subckt = False
|
||||
subname = None
|
||||
subrex = re.compile('^[^\*]*[ \t]*.subckt[ \t]+([^ \t]+).*$', re.IGNORECASE)
|
||||
dutlines = spitext.replace('\n+', ' ').splitlines()
|
||||
for line in dutlines:
|
||||
lmatch = subrex.match(line)
|
||||
if lmatch:
|
||||
subname = lmatch.group(1)
|
||||
if subname == layoutcell:
|
||||
is_subckt = True
|
||||
break
|
||||
|
||||
if is_subckt:
|
||||
layout_arg = self.layout + ' ' + layoutcell
|
||||
layout_text = '"' + layout_arg + '"'
|
||||
elif subname:
|
||||
layout_arg = self.layout + ' ' + subname
|
||||
layout_text = '"' + layout_arg + '"'
|
||||
else:
|
||||
layout_arg = layout_path
|
||||
layout_text = layout_arg
|
||||
|
||||
if has_vlog:
|
||||
schem_arg = vlog_path + ' ' + self.schematic
|
||||
else:
|
||||
# Final checks
|
||||
if not os.path.isfile(net_path):
|
||||
print('Error: No netlist from schematic.')
|
||||
return
|
||||
|
||||
with open(net_path) as ifile:
|
||||
spitext = ifile.read()
|
||||
|
||||
# Check the netlist to see if the cell to match is a subcircuit. If
|
||||
# not, then assume it is the top level.
|
||||
|
||||
schemcell = os.path.splitext(os.path.split(self.schematic)[1])[0]
|
||||
subname = None
|
||||
is_subckt = False
|
||||
subrex = re.compile('^[^\*]*[ \t]*.subckt[ \t]+([^ \t]+).*$', re.IGNORECASE)
|
||||
dutlines = spitext.replace('\n+', ' ').splitlines()
|
||||
for line in dutlines:
|
||||
lmatch = subrex.match(line)
|
||||
if lmatch:
|
||||
subname = lmatch.group(1)
|
||||
if subname == schemcell:
|
||||
is_subckt = True
|
||||
break
|
||||
|
||||
if is_subckt:
|
||||
schem_arg = self.schematic + ' ' + schemcell
|
||||
schem_text = '"' + schem_arg + '"'
|
||||
elif subname:
|
||||
schem_arg = self.schematic + ' ' + subname
|
||||
schem_text = '"' + schem_arg + '"'
|
||||
else:
|
||||
schem_arg = net_path
|
||||
schem_text = schem_arg
|
||||
|
||||
# Remove any previous comparison output file
|
||||
comp_out_path = os.path.splitext(comp_path)[0] + '.out'
|
||||
if os.path.exists(comp_out_path):
|
||||
os.remove(comp_out_path)
|
||||
|
||||
# Run netgen as subprocess
|
||||
print('Running: netgen -batch lvs ' + layout_text +
|
||||
' ' + schem_text + ' ' + self.lvs_setup + ' ' + comp_out_path +
|
||||
' -json -blackbox')
|
||||
# Note: Because arguments to subprocess are list items, the {filename cell}
|
||||
# pair does *not* have to be quoted or braced. Doing so causes a parse
|
||||
# error.
|
||||
self.lvsproc = subprocess.Popen(['netgen', '-batch', 'lvs',
|
||||
layout_arg, schem_arg,
|
||||
self.lvs_setup, comp_out_path, '-json', '-blackbox'],
|
||||
cwd=comp_dir,
|
||||
stdout=subprocess.PIPE, stderr=subprocess.PIPE, bufsize=0)
|
||||
# This is largely unnecessary as netgen usually runs to completion very quickly.
|
||||
self.watchclock(comp_path)
|
||||
|
||||
def watchclock(self, filename):
|
||||
if self.lvsproc == None:
|
||||
return
|
||||
|
||||
lvs_status = self.lvsproc.poll()
|
||||
sresult = select.select([self.lvsproc.stdout, self.lvsproc.stderr], [], [], 0)[0]
|
||||
if self.lvsproc.stdout in sresult:
|
||||
outstring = self.lvsproc.stdout.readline().decode().strip()
|
||||
self.logprint(outstring, doflush=True)
|
||||
print(outstring)
|
||||
elif self.lvsproc.stderr in sresult:
|
||||
errstring = self.lvsproc.stderr.readline().decode().strip()
|
||||
self.logprint(errstring, doflush = True)
|
||||
print(errstring, file=sys.stderr)
|
||||
|
||||
if lvs_status != None:
|
||||
print("netgen LVS exited with status " + str(lvs_status))
|
||||
self.lvsproc = None
|
||||
if lvs_status != 0:
|
||||
print('Errors encountered in LVS.')
|
||||
self.logprint('Errors in LVS, lvs status = ' + str(lvs_status), doflush=True)
|
||||
# Done; now read comp.json and fill the treeview listbox.
|
||||
self.generate(filename)
|
||||
else:
|
||||
self.after(500, lambda: self.watchclock(filename))
|
||||
|
||||
# Generate display from "comp.out" file (json file now preferred)
|
||||
|
||||
def generate_orig(self, lvspath):
|
||||
lefttext = []
|
||||
righttext = []
|
||||
print("Reading LVS output file " + lvspath)
|
||||
if os.path.exists(lvspath):
|
||||
with open(lvspath, 'r') as ifile:
|
||||
lvslines = ifile.read().splitlines()
|
||||
for line in lvslines:
|
||||
if '|' in line:
|
||||
# parts = line.split('|')
|
||||
# lefttext.append(parts[0])
|
||||
# righttext.append(parts[1])
|
||||
lefttext.append(line[0:42].strip())
|
||||
righttext.append(line[44:].strip())
|
||||
else:
|
||||
lefttext.append(line)
|
||||
righttext.append('')
|
||||
# Populate treeview with text
|
||||
self.toppane.lvsreport.repopulate(lefttext, righttext)
|
||||
|
||||
else:
|
||||
print("Error: No output file generated from LVS.")
|
||||
|
||||
# Generate output from LVS report JSON file comp.json
|
||||
|
||||
def generate(self, lvspath):
|
||||
lefttext = []
|
||||
righttext = []
|
||||
print("Reading LVS output file " + lvspath)
|
||||
if os.path.exists(lvspath):
|
||||
with open(lvspath, 'r') as ifile:
|
||||
self.lvsdata = json.load(ifile)
|
||||
|
||||
# Populate treeview with text
|
||||
self.toppane.lvsreport.json_repopulate(self.lvsdata)
|
||||
|
||||
else:
|
||||
print("Error: No output file generated from LVS.")
|
||||
|
||||
def findrecord(self, value):
|
||||
print("Unimplemented function")
|
||||
|
||||
def findrecord_test(self, value):
|
||||
# Check if socket is defined; if not, attempt to open one
|
||||
if not self.msock:
|
||||
try:
|
||||
self.msock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
||||
except:
|
||||
print("No response from layout tool.")
|
||||
|
||||
if self.msock:
|
||||
self.msock.connect(("0.0.0.0", 12946))
|
||||
self.msock.setblocking(False)
|
||||
if self.msock:
|
||||
# Pull name of net or device from 'value'
|
||||
# This is a test:
|
||||
self.msock.sendall(b'box 0 0 100 100\r\n')
|
||||
|
||||
if __name__ == '__main__':
|
||||
options = []
|
||||
arguments = []
|
||||
for item in sys.argv[1:]:
|
||||
if item.find('-', 0) == 0:
|
||||
options.append(item)
|
||||
else:
|
||||
arguments.append(item)
|
||||
|
||||
root = tkinter.Tk()
|
||||
app = LVSManager(root)
|
||||
if arguments:
|
||||
if len(arguments) >= 2:
|
||||
app.set_project(arguments[0], project_name=arguments[1])
|
||||
else:
|
||||
app.set_project(arguments[0])
|
||||
|
||||
root.mainloop()
|
||||
|
|
@ -650,7 +650,8 @@ proc netgen::lvs { name1 name2 {setupfile setup.tcl} {logfile comp.out} args} {
|
|||
puts stdout "Result: " nonewline
|
||||
netgen::log echo on
|
||||
if {$pinsgood == 0} {
|
||||
netgen::log put "The top level cell failed pin matching.\n"
|
||||
# NOTE: Need to disambiguate these two cases. . .
|
||||
netgen::log put "Cells failed matching, or top level cell failed pin matching.\n"
|
||||
} else {
|
||||
verify only
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue