http://www.pythonclub.org/ 2026-05-06T12:56:17+00:00 http://www.pythonclub.org/ http://www.pythonclub.org/lib/tpl/dokuwiki/images/favicon.ico text/html 2011-06-30T05:01:33+00:00 http://www.pythonclub.org/vlsi/pt/all-violations?rev=1309410093&do=diff Merge All Timing Violations #! /tools/cfr/bin/python import os import sys import re from collections import defaultdict def get_all_violators(): modes = 'func mbist bisr scan merged'.split(' ') corners = 'max maxlt min minht maxrc minrc'.split(' ') content = "" print "Reading reports" for mode in modes: for corner in corners: #print mode, corner ddir = "postlayout_%s_%s" % (mode, corner) #file_name = "uld_eti_%s_%s_all_violators.rpt" % (mode, corner… text/html 2016-07-13T01:21:11+00:00 http://www.pythonclub.org/vlsi/pt/cp-pin-attributes?rev=1468372871&do=diff CP Pin Attributes in PT **************************************** Report : Attribute Design : zx222017_htm Version: J-2014.06-SP3 Date : Wed Jul 13 07:15:04 2016 **************************************** Design Object Type Attribute Name Value -------------------------------------------------------------------------------- zx222017_htm u_zx222017_hcm_top/se_u0/as_xtcam_ctrl_req_reg_126_/CP float actual_fall_transition_max 0.026053 zx222017_htm u_zx2220… text/html 2013-02-25T07:56:01+00:00 http://www.pythonclub.org/vlsi/pt/etm?rev=1361778961&do=diff PT产生EMT Model 用PT产生ETM model是后端Design工程师的最常见任务，如果你做Top的话，那更是家常便饭了。 下面的TCL代码就是PT产生ETM的脚本，以及常用设置。 PT生成EMT .db文件代码 set extract_model_data_transition_limit 0.75 set extract_model_clock_transition_limit 0.75 set extract_model_capacitance_limit 1.0 set extract_model_num_clock_transition_points 7 set extract_model_num_data_transition_points 7 set extract_model_num_capacitance_points 7 set extract_model_use_conservative_current_slew true set extract_model_enable_report_delay_calculation true reset… text/html 2011-06-29T02:22:23+00:00 http://www.pythonclub.org/vlsi/pt/fix-hold?rev=1309314143&do=diff PrimeTime Min Delay (Hold Violation) Fix To using this script, we should using script PrimeTime Report to generate reports. #! /tools/cfr/bin/python import os import sys import re import time from collections import defaultdict def get_all_hold_rpt(): modes = 'func mbist bisr scan merged'.split(' ') corners = 'max maxlt min minht maxrc minrc'.split(' ') content = "" print "\nReading hold timing reports:" for mode in modes: for corner in corners: ddir = "postlayout_… text/html 2011-06-29T02:22:45+00:00 http://www.pythonclub.org/vlsi/pt/fix-setup?rev=1309314165&do=diff PrimeTime Max Delay(Setup) Violation Fix To using this script, we should using script PrimeTime Report to generate reports. Swap Cells Swap between different VT cells. Change HVT to LVT cells. #! /tools/cfr/bin/python import os import sys import re import sets from collections import defaultdict def get_all_setup_rpt(): modes = 'func mbist bisr scan merged'.split(' ') all_corners = 'max maxlt min minht maxrc minrc'.split(' ') content = "" for mode in modes: for corner in all… text/html 2016-07-14T02:44:54+00:00 http://www.pythonclub.org/vlsi/pt/net-attributes?rev=1468464294&do=diff PT Net Attributes **************************************** Report : Attribute Design : zx222017_htm Version: J-2014.06-SP3 Date : Thu Jul 14 09:57:14 2016 **************************************** Design Object Type Attribute Name Value -------------------------------------------------------------------------------- zx222017_htm u_zx222017_hcm_top/top_pipeline_u0/n34285_G1B4I14 float area 0.000000 zx222017_htm u_zx222017_hcm_top/top_pipeline_u0/n34285… text/html 2011-07-06T04:40:55+00:00 http://www.pythonclub.org/vlsi/pt/noise-calculation-report?rev=1309927255&do=diff PrimeTime Noise Calculation Reports **************************************** Report : noise_calculation -from eti_top_0/wl_stream2axi/rresp_buffer/fifo_1/wl_sdpram0/wl_sdpram144x64_b0r0/RR144X64_211HS_0/uld_eti_ctrl_18_c5/U406/Z -to eti_top_0/wl_stream2axi/rresp_buffer/fifo_1/wl_sdpram0/wl_sdpram144x64_b0r0/RR144X64_211HS_0/uld_eti_ctrl_18_c5/RR144X64_211HS_bussed_core/DIB2 Design : uld_eti Version: D-2009.12-SP3-1 Date : Wed Jul 6 11:28:16 2011 **************************************** U… text/html 2011-07-06T02:14:39+00:00 http://www.pythonclub.org/vlsi/pt/noise-report-sample?rev=1309918479&do=diff PrimeTime Noise Report Example **************************************** Report : noise -slack_type height -all_violators -verbose -nosplit Design : uld_eti Version: D-2009.12-SP3-1 Date : Wed Jul 6 01:58:46 2011 **************************************** analysis mode: report_at_source slack type: height noise_region: above_low pin name (net name) width height slack ----------------------------------------------------- uld_top_0/tdd_top_0/tdu_top_tdd/tdu_para/tdu_para… text/html 2011-07-06T07:26:49+00:00 http://www.pythonclub.org/vlsi/pt/noise?rev=1309937209&do=diff PrimeTime Noise Fixing Reports Examples * PrimeTime Noise Report Example * PrimeTime Noise Calculation Reports Get Noise Violation Point sed -n -e '/Propagated/{ N; s/Propagated:\n//p}' */all_noise_violators.rpt | sort -u | awk '{print $1}' | gvim - text/html 2011-10-12T13:13:02+00:00 http://www.pythonclub.org/vlsi/pt/primetime-sta-flow?rev=1318425182&do=diff PrimeTime STA Flow Flow Chart Sample Script #-@@- File name : pt_flow.tcl #-@@- Created by YaoQiang #-@@- This file is to set STA flow. #-@@- ----------------------------------------- #-@@- ----------------------------------------- #-@@- stage | prelayout/postlayout #-@@- mode | func/scan/mbist/mbisr/power #-@@- corner | max/min/maxlt/minht #-@@- ------------------------------------------ #+++++++++++++++++++++++++++++++++++++++++++++++ #-@@- prelayout netlist : #-@@- /home/l8a0492s/p… text/html 2011-10-19T05:06:16+00:00 http://www.pythonclub.org/vlsi/pt/redhawk-timing?rev=1319000776&do=diff timing File for Redhawk Corner: Fast-125C-0v99 source /tools/rh-10.1.5p2/bin/pt2timing.tcl set ADS_ALLOWED_PCT_OF_NON_CLOCKED_REGISTERS 50 set ADS_DEBUG 1 set ADS_UNIT e-9 getSTA * text/html 2011-06-18T00:52:17+00:00 http://www.pythonclub.org/vlsi/pt/report-qor?rev=1308358337&do=diff PT report_qor Script # # Procedure to emulate DC's report_qor in PT # # Version 1.10 6/1/09 pjarvis # # Revision history # 1.0 (pfj) 9/3/03 - Initial release # 1.1 (pfj) 9/4/03 - Added hold-time reporting # 1.2 (pfj) 9/4/03 - Rewrote report_constraint parser and added all other DRCs # 1.3 (pfj) 9/4/03 - Added missing DRCs and fixed a bunch of related problems # 1.4 (pfj) 9/5/03 - Rewrote DRC parser to eliminate dependency on list of DRCs # 1.5 (pfj) 9/30/03 - Fixed bug with unconstrained path … text/html 2011-06-29T02:16:25+00:00 http://www.pythonclub.org/vlsi/pt/report?rev=1309313785&do=diff PrimeTime Report PrimeTime reports ################################################################ # pt reports # Owner: Donghua Gu (donghua.gu@lsi.com) # created: June 19 2011 # please don't change the report command and output file name # reports will used by other scripts ################################################################ if {![info exists stage]} { set stage postlayout } if {![info exists mode]} { set mode func } if {![info exists corner]} { set corner max } if {![… text/html 2012-03-06T02:53:20+00:00 http://www.pythonclub.org/vlsi/pt/run-multi-pt?rev=1331002400&do=diff Run PT Scripts #! /tools/cfr/bin/python import os import re import sys import time def is_starrc_done(starrc_dir): if not os.path.isdir(starrc_dir): return False starrc_done = True starrc_corners = 'cb cbht cw cwlt rcb rcw'.split(' ') for corner in starrc_corners: corner_path = os.path.join(starrc_dir, corner) cpu_number = 0 # find cpu number for star-rc run file_names = os.listdir(corner_path) for file_name in file_names: patt = """run-\d-(\d)\.log"""… text/html 2011-12-15T05:11:17+00:00 http://www.pythonclub.org/vlsi/pt/sdc-constraints-check?rev=1323925877&do=diff PrimeTime SDC Constraints Check Example Script # Load in netlist read_verilog ... # set some variables for help with constraints debug set sdc_save_source_file_information true set timing_report_unconstrained_paths true # Load in Functional constraints source ./constraints/for_pt/create_clocks.sdc source ./constraints/for_pt/set_false_path.sdc source ./constraints/for_pt/set_disable_timing.sdc source ./constraints/for_pt/set_ideal_network.sdc source ./constraints/for_pt/efuse_constraints.… text/html 2016-07-14T02:44:35+00:00 http://www.pythonclub.org/vlsi/pt/start?rev=1468464275&do=diff PrimeTime PrimeTime Scripts * Run PT Scripts * PrimeTime STA Flow * PT report_qor Script * PrimeTime SDC Constraints Check PrimeTime Reprot * PrimeTime Report * Merge All Timing Violations * View Block Related Violations * CP Pin Attributes in PT * PT Net Attributes Timing Fix * PrimeTime Max Delay(Setup) Violation Fix * PrimeTime Min Delay (Hold Violation) Fix Noise * PrimeTime Noise Fixing Timing Models * PT产生EMT Model File Generate From PT * PT产生EMT Mod… text/html 2014-09-05T09:49:47+00:00 http://www.pythonclub.org/vlsi/pt/timing-path-attribute?rev=1409910587&do=diff Timing Path Attribute We usually need attribute for timing path is we want to check timing for some path by script. Following is timing_path attribute for you to reference. pt_shell> list_attributes -application -class timing_path **************************************** Report : List of Attribute Definitions Version: I-2013.12-SP1 Date : Fri Sep 5 17:46:07 2014 **************************************** Properties: A - Application-defined U - User-defined I - Importable from … text/html 2011-09-27T09:02:51+00:00 http://www.pythonclub.org/vlsi/pt/tkdelaydata?rev=1317114171&do=diff tkdelaydata source /tools/fs60-preqa/lsi_fs_6.0/bin/SunOS-5.9/lsitkdelaydataViolation.tcl createLsiTkDelayData -power_only -tech lsi40d -metal_layer 7+2 -gzip -defaultFreq 250 text/html 2011-08-03T03:47:57+00:00 http://www.pythonclub.org/vlsi/pt/view-block-vios?rev=1312343277&do=diff View Block Related Violations Filter from report_constrain report for your block: sed -n -e '{/min/p;/max/p;/Endpoint/p;/^$/p;/------/p;/uld_eti_0/p;}' \ postlayout_func_*/zgdh_constraint_all_vios.rpt | gvim -