126 lines
6.9 KiB
Tcl
126 lines
6.9 KiB
Tcl
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###############################################################################################
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#### Utilities List :
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#### set_all_high_fanout_nets_as_ideal
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#### get_design_info
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#### set_user_defined_clock_uncertainty
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#### write_post_syn_sdc
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#### remove wand
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#### ... ...
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###############################################################################################
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################################################################################################################################################################################
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### 2012.02.25
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### set all high fanout nets as ideal network
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################################################################################################################################################################################
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proc set_all_high_fanout_nets_as_ideal {} {
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foreach_in_collection hfn_nets [all_high_fanout -nets -threshold 1000] {
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set hfn_latency 0.1
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set hfn_transition 0.2
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set_ideal_network -no_propagate [all_fanin -flat -level 0 -to [get_nets $hfn_nets]]
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set_ideal_latency $hfn_latency [all_fanin -flat -level 0 -to [get_nets $hfn_nets]]
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set_ideal_transition $hfn_transition [all_fanin -flat -level 0 -to [get_nets $hfn_nets]]
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}
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}
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################################################################################################################################################################################
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### 2012.03.05
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### Get the Detail Design Information
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################################################################################################################################################################################
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proc get_design_info {args} {
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catch {report_units} units_rpt
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catch {report_qor -summary} qor_sum
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append design_info_pattern "=================================================================\n"
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append design_info_pattern "the number of clocks : [sizeof_collection [all_clocks]]\n"
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append design_info_pattern "the number of registers : [sizeof_collection [all_registers -edge_triggered]]\n"
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append design_info_pattern "the number of clock gates : [sizeof_collection [all_clock_gates]]\n"
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append design_info_pattern "=================================================================\n"
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return $design_info_pattern
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}
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################################################################################################################################################################################
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### 2012.03.05
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### Set User Defined clock_uncertainty
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################################################################################################################################################################################
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proc set_user_defined_clock_uncertainty {} {
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update_timing
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set uncertainty_rate 0.30
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set clock_margin 0.00
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set library_setup 0.40
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set n1 0
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set n2 0
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foreach_in_collection each_clock [all_clocks] {
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if {[get_attribute -quiet $each_clock period] != ""} {
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set user_defined_margin [format "%.2f" [expr ${uncertainty_rate}*[expr [get_attribute ${each_clock} period] - ${library_setup}] + ${clock_margin}]]
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set user_defined_margin_rf2fr [format "%.2f" [expr [expr ${uncertainty_rate}*[expr [get_attribute ${each_clock} period] - ${library_setup}] + ${clock_margin}]/2] ]
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set_clock_uncertainty $user_defined_margin -rise_from ${each_clock} -rise_to ${each_clock}
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set_clock_uncertainty $user_defined_margin -fall_from ${each_clock} -fall_to ${each_clock}
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set_clock_uncertainty $user_defined_margin_rf2fr -fall_from ${each_clock} -rise_to ${each_clock}
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set_clock_uncertainty $user_defined_margin_rf2fr -rise_from ${each_clock} -fall_to ${each_clock}
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puts "SJD-INFO : Set [format "%-5s" $user_defined_margin] margin for inner clock [get_attribute $each_clock full_name] ..."
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incr n1
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} else {
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puts "SJD-WARN : The clock [get_attribute $each_clock full_name] does not have period attribute ...\n\t The clock definition must be wrong, Please check your SDC files."
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incr n2
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}
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}
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puts "\n$n1 clocks were specified uncertainty sucssessfully\n$n2 clock have a wrong definition\n"
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}
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################################################################################################################################################################################
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### 2012.05.29
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### fixing write_sdc command
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################################################################################################################################################################################
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proc write_post_syn_sdc {args} {
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parse_proc_arguments -args $args pargs
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set file $pargs(-output)
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set num [sizeof_collection [get_cells -hierarchical * -filter "dont_touch == true"]]
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echo " Adding User Defined constraits into sdc ..."
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echo "------------------------------------------------------"
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echo " Total $num cells are defined as the dont_touch cell "
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echo "******************************************************"
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echo "###############################################" >> $file
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echo "###" >> $file
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echo "### User Defined dont_touch cell" >> $file
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echo "###############################################" >> $file
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foreach dont_touch_cell [get_object_name [get_cells -hierarchical * -filter "dont_touch == true" -quiet]] {
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echo "set_dont_touch $dont_touch_cell" >> $file
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}
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set num [sizeof_collection [get_nets -hierarchical * -filter "dont_touch == true"]]
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echo "------------------------------------------------------"
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echo " Total $num nets are defined as the dont_touch nets "
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echo "******************************************************"
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echo "###############################################" >> $file
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echo "###" >> $file
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echo "### User Defined dont_touch net" >> $file
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echo "###############################################" >> $file
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foreach dont_touch_net [get_object_name [get_nets -hierarchical * -filter "dont_touch == true" -quiet]] {
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echo "set_dont_touch $dont_touch_net" >> $file
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}
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}
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define_proc_attributes write_post_syn_sdc -info "write sdc file for icc. " \
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-define_args \
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{
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{-output "specify the file path and file name. " string string required}
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}
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################################################################################################################################################################################
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### 2012.07.11
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### remove wand command
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################################################################################################################################################################################
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proc remove_wand_attr {} \
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{
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global wand_nets
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foreach_in_collection wand_nets [ filter_collection [ get_nets \
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-hier * ] "wired_and == true" ] \
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{
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puts "wired_and: $wand_nets"
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remove_attribute $wand_nets wired_and
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}
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}
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