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Search.tcl
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# OpenSTA, Static Timing Analyzer
# Copyright (c) 2021, Parallax Software, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
namespace eval sta {
################################################################
#
# Search debugging/probing commands
#
################################################################
define_cmd_args "check_setup" \
{ [-verbose] [-no_input_delay] [-no_output_delay]\
[-multiple_clock] [-no_clock]\
[-unconstrained_endpoints] [-loops] [-generated_clocks]\
[> filename] [>> filename] }
proc_redirect check_setup {
check_setup_cmd "check_setup" $args
}
proc check_setup_cmd { cmd cmd_args } {
parse_key_args $cmd cmd_args keys {} flags {-verbose} 0
# When nothing is everything.
if { $cmd_args == {} } {
set unconstrained_endpoints 1
set multiple_clock 1
set no_clock 1
set no_input_delay 1
set no_output_delay 1
set loops 1
set generated_clocks 1
} else {
parse_key_args $cmd cmd_args keys {} \
flags {-no_input_delay -no_output_delay -multiple_clock -no_clock \
-unconstrained_endpoints -loops -generated_clocks}
set no_input_delay [info exists flags(-no_input_delay)]
set no_output_delay [info exists flags(-no_output_delay)]
set multiple_clock [info exists flags(-multiple_clock)]
set no_clock [info exists flags(-no_clock)]
set unconstrained_endpoints [info exists flags(-unconstrained_endpoints)]
set loops [info exists flags(-loops)]
set generated_clocks [info exists flags(-generated_clocks)]
}
set verbose [info exists flags(-verbose)]
set errors [check_timing_cmd $no_input_delay $no_output_delay \
$multiple_clock $no_clock \
$unconstrained_endpoints $loops \
$generated_clocks]
foreach error $errors {
# First line is the error msg.
report_line [lindex $error 0]
if { $verbose } {
foreach obj [lrange $error 1 end] {
report_line " $obj"
}
}
}
# return value
expr [llength $errors] == 0
}
################################################################
# Not a command because users have no reason to ever call this.
# It is only useful for debugging incremental timing updates.
proc find_timing { args } {
parse_key_args "find_timing" args keys {} flags {-full_update}
find_timing_cmd [info exists flags(-full_update)]
}
################################################################
define_cmd_args "find_timing_paths" \
{[-from from_list|-rise_from from_list|-fall_from from_list]\
[-through through_list|-rise_through through_list|-fall_through through_list]\
[-to to_list|-rise_to to_list|-fall_to to_list]\
[-path_delay min|min_rise|min_fall|max|max_rise|max_fall|min_max]\
[-unconstrained]
[-corner corner_name]\
[-group_count path_count] \
[-endpoint_count path_count]\
[-unique_paths_to_endpoint]\
[-slack_max slack_max]\
[-slack_min slack_min]\
[-sort_by_slack]\
[-path_group group_name]}
proc find_timing_paths { args } {
set path_ends [find_timing_paths_cmd "find_timing_paths" args]
return $path_ends
}
proc find_timing_paths_cmd { cmd args_var } {
global sta_report_unconstrained_paths
upvar 1 $args_var args
parse_key_args $cmd args \
keys {-from -rise_from -fall_from -to -rise_to -fall_to \
-path_delay -corner -group_count -endpoint_count \
-slack_max -slack_min -path_group} \
flags {-unconstrained -sort_by_slack -unique_paths_to_endpoint} 0
set min_max "max"
set end_rf "rise_fall"
if [info exists keys(-path_delay)] {
set mm_key $keys(-path_delay)
if { $mm_key == "max_rise" } {
set min_max "max"
set end_rf "rise"
} elseif { $mm_key == "max_fall" } {
set min_max "max"
set end_rf "fall"
} elseif { $mm_key == "min_rise" } {
set min_max "min"
set end_rf "rise"
} elseif { $mm_key == "min_fall" } {
set min_max "min"
set end_rf "fall"
} elseif { $mm_key == "min" || $mm_key == "max" || $mm_key == "min_max" } {
set min_max $mm_key
} else {
sta_error 420 "$cmd -path_delay must be min, min_rise, min_fall, max, max_rise, max_fall or min_max."
}
}
set arg_error 0
set from [parse_from_arg keys arg_error]
set thrus [parse_thrus_arg args arg_error]
set to [parse_to_arg1 keys $end_rf arg_error]
if { $arg_error } {
delete_from_thrus_to $from $thrus $to
sta_error 421 "$cmd command failed."
}
check_for_key_args $cmd args
if { [info exists flags(-unconstrained)] } {
set unconstrained 1
} elseif { [info exists sta_report_unconstrained_paths] } {
set unconstrained $sta_report_unconstrained_paths
} else {
set unconstrained 0
}
set corner [parse_corner_or_all keys]
set endpoint_count 1
if [info exists keys(-endpoint_count)] {
set endpoint_count $keys(-endpoint_count)
if { $endpoint_count < 1 } {
sta_error 422 "-endpoint_count must be a positive integer."
}
}
set group_count $endpoint_count
if [info exists keys(-group_count)] {
set group_count $keys(-group_count)
check_positive_integer "-group_count" $group_count
if { $group_count < 1 } {
sta_error 423 "-group_count must be >= 1."
}
}
set unique_pins [info exists flags(-unique_paths_to_endpoint)]
set slack_min "-1e+30"
if [info exist keys(-slack_min)] {
set slack_min $keys(-slack_min)
check_float "-slack_min" $slack_min
set slack_min [time_ui_sta $slack_min]
}
set slack_max "1e+30"
if [info exist keys(-slack_max)] {
set slack_max $keys(-slack_max)
check_float "-slack_max" $slack_max
set slack_max [time_ui_sta $slack_max]
}
set sort_by_slack [info exists flags(-sort_by_slack)]
set groups {}
if [info exists keys(-path_group)] {
set groups [parse_path_group_arg $keys(-path_group)]
}
if { [llength $args] != 0 } {
delete_from_thrus_to $from $thrus $to
set arg [lindex $args 0]
if { [is_keyword_arg $arg] } {
sta_error 424 "'$arg' is not a known keyword or flag."
} else {
sta_error 425 "positional arguments not supported."
}
}
set path_ends [find_path_ends $from $thrus $to $unconstrained \
$corner $min_max \
$group_count $endpoint_count $unique_pins \
$slack_min $slack_max \
$sort_by_slack $groups \
1 1 1 1 1 1]
return $path_ends
}
################################################################
define_cmd_args "report_arrival" {pin}
proc report_arrival { pin } {
report_delays_wrt_clks $pin "arrivals_clk_delays"
}
proc report_delays_wrt_clks { pin_arg what } {
set pin [get_port_pin_error "pin" $pin_arg]
foreach vertex [$pin vertices] {
if { $vertex != "NULL" } {
report_delays_wrt_clk $vertex $what "NULL" "rise"
report_delays_wrt_clk $vertex $what [default_arrival_clock] "rise"
set clk_iter [clock_iterator]
while {[$clk_iter has_next]} {
set clk [$clk_iter next]
report_delays_wrt_clk $vertex $what $clk "rise"
report_delays_wrt_clk $vertex $what $clk "fall"
}
$clk_iter finish
}
}
}
proc report_delays_wrt_clk { vertex what clk clk_rf } {
global sta_report_default_digits
set rise [$vertex $what rise $clk $clk_rf $sta_report_default_digits]
set fall [$vertex $what fall $clk $clk_rf $sta_report_default_digits]
# Filter INF/-INF arrivals.
if { !([delays_are_inf $rise] && [delays_are_inf $fall]) } {
set rise_fmt [format_delays $rise]
set fall_fmt [format_delays $fall]
if {$clk != "NULL"} {
set clk_str " ([get_name $clk] [rise_fall_short_name $clk_rf])"
} else {
set clk_str ""
}
report_line "$clk_str r $rise_fmt f $fall_fmt"
}
}
proc report_wrt_clks { pin_arg what } {
set pin [get_port_pin_error "pin" $pin_arg]
foreach vertex [$pin vertices] {
if { $vertex != "NULL" } {
report_wrt_clk $vertex $what "NULL" "rise"
report_wrt_clk $vertex $what [default_arrival_clock] "rise"
set clk_iter [clock_iterator]
while {[$clk_iter has_next]} {
set clk [$clk_iter next]
report_wrt_clk $vertex $what $clk "rise"
report_wrt_clk $vertex $what $clk "fall"
}
$clk_iter finish
}
}
}
proc report_wrt_clk { vertex what clk clk_rf } {
global sta_report_default_digits
set rise [$vertex $what rise $clk $clk_rf]
set fall [$vertex $what fall $clk $clk_rf]
# Filter INF/-INF arrivals.
if { !([times_are_inf $rise] && [times_are_inf $fall]) } {
set rise_fmt [format_times $rise $sta_report_default_digits]
set fall_fmt [format_times $fall $sta_report_default_digits]
if {$clk != "NULL"} {
set clk_str " ([get_name $clk] [rise_fall_short_name $clk_rf])"
} else {
set clk_str ""
}
report_line "$clk_str r $rise_fmt f $fall_fmt"
}
}
proc rise_fall_short_name { tr } {
if { $tr eq "rise" } {
return [rise_short_name]
} elseif { $tr eq "fall" } {
return [fall_short_name]
} else {
error "unknown transition name $tr"
}
}
proc times_are_inf { times } {
foreach time $times {
if { $time < 1e+10 && $time > -1e+10 } {
return 0
}
}
return 1
}
proc delays_are_inf { delays } {
foreach delay $delays {
if { !([string match "INF*" $delay] \
|| [string match "-INF*" $delay]) } {
return 0
}
}
return 1
}
################################################################
define_cmd_args "report_clock_skew" {[-setup|-hold]\
[-clock clocks]\
[-corner corner_name]]\
[-digits digits]}
proc_redirect report_clock_skew {
global sta_report_default_digits
parse_key_args "report_clock_skew" args \
keys {-clock -corner -digits} flags {-setup -hold}
check_argc_eq0 "report_clock_skew" $args
if { [info exists flags(-setup)] && [info exists flags(-hold)] } {
sta_error 419 "report_clock_skew -setup and -hold are mutually exclusive options."
} elseif { [info exists flags(-setup)] } {
set setup_hold "setup"
} elseif { [info exists flags(-hold)] } {
set setup_hold "hold"
} else {
set setup_hold "setup"
}
if [info exists keys(-clock)] {
set clks [get_clocks_warn "-clocks" $keys(-clock)]
} else {
set clks [all_clocks]
}
set corner [parse_corner_or_all keys]
if [info exists keys(-digits)] {
set digits $keys(-digits)
check_positive_integer "-digits" $digits
} else {
set digits $sta_report_default_digits
}
if { $clks != {} } {
report_clk_skew $clks $corner $setup_hold $digits
}
}
################################################################
define_cmd_args "report_checks" \
{[-from from_list|-rise_from from_list|-fall_from from_list]\
[-through through_list|-rise_through through_list|-fall_through through_list]\
[-to to_list|-rise_to to_list|-fall_to to_list]\
[-unconstrained]\
[-path_delay min|min_rise|min_fall|max|max_rise|max_fall|min_max]\
[-corner corner_name]\
[-group_count path_count] \
[-endpoint_count path_count]\
[-unique_paths_to_endpoint]\
[-slack_max slack_max]\
[-slack_min slack_min]\
[-sort_by_slack]\
[-path_group group_name]\
[-format full|full_clock|full_clock_expanded|short|end|summary]\
[-fields [capacitance|slew|input_pin|net]]\
[-digits digits]\
[-no_line_splits]\
[> filename] [>> filename]}
proc_redirect report_checks {
global sta_report_unconstrained_paths
parse_report_path_options "report_checks" args "full" 0
set path_ends [find_timing_paths_cmd "report_checks" args]
if { $path_ends == {} } {
report_line "No paths found."
} else {
report_path_ends $path_ends
}
}
################################################################
define_cmd_args "report_check_types" \
{[-violators] [-verbose]\
[-corner corner_name]\
[-format slack_only|end]\
[-max_delay] [-min_delay]\
[-recovery] [-removal]\
[-clock_gating_setup] [-clock_gating_hold]\
[-max_slew] [-min_slew]\
[-max_fanout] [-min_fanout]\
[-max_capacitance] [-min_capacitance]\
[-min_pulse_width] [-min_period] [-max_skew]\
[-net net]\
[-digits digits] [-no_line_splits]\
[> filename] [>> filename]}
proc_redirect report_check_types {
variable path_options
parse_key_args "report_check_types" args keys {-net -corner}\
flags {-violators -all_violators -verbose -no_line_splits} 0
set violators [info exists flags(-violators)]
if { [info exists flags(-all_violators)] } {
sta_warn 609 "-all_violators is deprecated. Use -violators"
set violators 1
}
set verbose [info exists flags(-verbose)]
set nosplit [info exists flags(-no_line_splits)]
if { $verbose } {
set default_format "full"
} else {
set default_format "slack_only"
}
parse_report_path_options "report_check_types" args $default_format 0
set min_max "min_max"
if { [operating_condition_analysis_type] == "single" } {
set min_max "max"
}
set corner [parse_corner_or_all keys]
set net "NULL"
if { [info exists keys(-net)] } {
set net [get_net_warn "-net" $keys(-net)]
}
if { $args == {} } {
if { $min_max == "max" || $min_max == "min_max" } {
set setup 1
set recovery 1
set clk_gating_setup 1
set max_slew 1
set max_fanout 1
set max_capacitance 1
} else {
set setup 0
set recovery 0
set clk_gating_setup 0
set max_slew 0
set max_fanout 0
set max_capacitance 0
}
if { $min_max == "min" || $min_max == "min_max" } {
set hold 1
set removal 1
set clk_gating_hold 1
set min_slew 1
set min_fanout 1
set min_capacitance 1
} else {
set hold 0
set min_delay 0
set removal 0
set clk_gating_hold 0
set min_slew 0
set min_fanout 0
set min_capacitance 0
}
set min_pulse_width 1
set min_period 1
set max_skew 1
} else {
parse_key_args "report_check_types" args keys {} \
flags {-max_delay -min_delay -recovery -removal \
-clock_gating_setup -clock_gating_hold \
-max_slew -min_slew \
-max_fanout -min_fanout \
-max_capacitance -min_capacitance \
-min_pulse_width \
-min_period -max_skew \
-max_transition -min_transition } 1
set setup [info exists flags(-max_delay)]
set hold [info exists flags(-min_delay)]
set recovery [info exists flags(-recovery)]
set removal [info exists flags(-removal)]
set clk_gating_setup [info exists flags(-clock_gating_setup)]
set clk_gating_hold [info exists flags(-clock_gating_hold)]
set max_slew [info exists flags(-max_slew)]
if { [info exists flags(-max_transition)] } {
sta_warn 610 "-max_transition deprecated. Use -max_slew."
set max_slew 1
}
set min_slew [info exists flags(-min_slew)]
if { [info exists flags(-min_transition)] } {
sta_warn 611 "-min_transition deprecated. Use -min_slew."
set min_slew 1
}
set max_fanout [info exists flags(-max_fanout)]
set min_fanout [info exists flags(-min_fanout)]
set max_capacitance [info exists flags(-max_capacitance)]
set min_capacitance [info exists flags(-min_capacitance)]
set min_pulse_width [info exists flags(-min_pulse_width)]
set min_period [info exists flags(-min_period)]
set max_skew [info exists flags(-max_skew)]
if { [operating_condition_analysis_type] == "single" \
&& (($setup && $hold) \
|| ($recovery && $removal) \
|| ($clk_gating_setup && $clk_gating_hold)) } {
sta_error 426 "analysis type single is not consistent with doing both setup/max and hold/min checks."
}
}
if { $args != {} } {
sta_error 427 "positional arguments not supported."
}
set corner [parse_corner_or_all keys]
if { $setup || $hold || $recovery || $removal \
|| $clk_gating_setup || $clk_gating_hold } {
if { ($setup && $hold) \
|| ($recovery && $removal) \
|| ($clk_gating_setup && $clk_gating_hold) } {
set path_min_max "min_max"
} elseif { $setup || $recovery || $clk_gating_setup } {
set path_min_max "max"
} elseif { $hold || $removal || $clk_gating_hold } {
set path_min_max "min"
}
if { $violators } {
set group_count $sta::group_count_max
set slack_min [expr -$sta::float_inf]
set slack_max 0.0
} else {
set group_count 1
set slack_min [expr -$sta::float_inf]
set slack_max $sta::float_inf
}
set path_ends [find_path_ends "NULL" {} "NULL" 0 \
$corner $path_min_max $group_count 1 0 \
$slack_min $slack_max \
0 {} \
$setup $hold \
$recovery $removal \
$clk_gating_setup $clk_gating_hold]
report_path_ends $path_ends
}
if { $max_slew } {
report_slew_limits $net $corner "max" $violators $verbose $nosplit
}
if { $min_slew } {
report_slew_limits $net $corner "min" $violators $verbose $nosplit
}
if { $max_fanout } {
report_fanout_limits $net "max" $violators $verbose $nosplit
}
if { $min_fanout } {
report_fanout_limits $net "min" $violators $verbose $nosplit
}
if { $max_capacitance } {
report_capacitance_limits $net $corner "max" $violators $verbose $nosplit
}
if { $min_capacitance } {
report_capacitance_limits $net $corner "min" $violators $verbose $nosplit
}
if { $min_pulse_width } {
if { $violators } {
set checks [min_pulse_width_violations $corner]
report_mpw_checks $checks $verbose
} else {
set check [min_pulse_width_check_slack $corner]
if { $check != "NULL" } {
report_mpw_check $check $verbose
}
}
}
if { $min_period } {
if { $violators } {
set checks [min_period_violations]
report_min_period_checks $checks $verbose
} else {
set check [min_period_check_slack]
if { $check != "NULL" } {
report_min_period_check $check $verbose
}
}
}
if { $max_skew } {
if { $violators } {
set checks [max_skew_violations]
report_max_skew_checks $checks $verbose
} else {
set check [max_skew_check_slack]
if { $check != "NULL" } {
report_max_skew_check $check $verbose
}
}
}
}
proc report_slew_limits { net corner min_max violators verbose nosplit } {
set pins [check_slew_limits $net $violators $corner $min_max]
if { $pins != {} } {
report_line "${min_max} slew"
report_line ""
if { $verbose } {
foreach pin $pins {
report_slew_limit_verbose $pin $corner $min_max
report_line ""
}
} else {
report_slew_limit_short_header
foreach pin $pins {
report_slew_limit_short $pin $corner $min_max
}
report_line ""
}
}
}
proc report_fanout_limits { net min_max violators verbose nosplit } {
set pins [check_fanout_limits $net $violators $min_max]
if { $pins != {} } {
report_line "${min_max} fanout"
report_line ""
if { $verbose } {
foreach pin $pins {
report_fanout_limit_verbose $pin $min_max
report_line ""
}
} else {
report_fanout_limit_short_header
foreach pin $pins {
report_fanout_limit_short $pin $min_max
}
report_line ""
}
}
}
proc report_capacitance_limits { net corner min_max violators verbose nosplit } {
set pins [check_capacitance_limits $net $violators $corner $min_max]
if { $pins != {} } {
report_line "${min_max} capacitance"
report_line ""
if { $verbose } {
foreach pin $pins {
report_capacitance_limit_verbose $pin $corner $min_max
report_line ""
}
} else {
report_capacitance_limit_short_header
foreach pin $pins {
report_capacitance_limit_short $pin $corner $min_max
}
report_line ""
}
}
}
################################################################
define_cmd_args "report_dcalc" \
{[-from from_pin] [-to to_pin] [-corner corner_name] [-min] [-max] [-digits digits]}
proc_redirect report_dcalc {
report_dcalc_cmd "report_dcalc" $args "-digits"
}
################################################################
define_cmd_args "report_disabled_edges" {}
################################################################
define_cmd_args "report_tns" { [-digits digits]}
proc_redirect report_tns {
global sta_report_default_digits
parse_key_args "report_tns" args keys {-digits} flags {}
if [info exists keys(-digits)] {
set digits $keys(-digits)
check_positive_integer "-digits" $digits
} else {
set digits $sta_report_default_digits
}
report_line "tns [format_time [total_negative_slack_cmd "max"] $digits]"
}
################################################################
define_cmd_args "report_wns" { [-digits digits]}
proc_redirect report_wns {
global sta_report_default_digits
parse_key_args "report_wns" args keys {-digits} flags {}
if [info exists keys(-digits)] {
set digits $keys(-digits)
check_positive_integer "-digits" $digits
} else {
set digits $sta_report_default_digits
}
set slack [worst_slack_cmd "max"]
if { $slack > 0.0 } {
set slack 0.0
}
report_line "wns [format_time $slack $digits]"
}
################################################################
define_cmd_args "report_worst_slack" {[-min] [-max] [-digits digits]}
proc_redirect report_worst_slack {
global sta_report_default_digits
parse_key_args "report_worst_slack" args keys {-digits} flags {-min -max}
set min_max [parse_min_max_flags flags]
if [info exists keys(-digits)] {
set digits $keys(-digits)
check_positive_integer "-digits" $digits
} else {
set digits $sta_report_default_digits
}
report_line "worst slack [format_time [worst_slack_cmd $min_max] $digits]"
}
################################################################
define_cmd_args "report_pulse_width_checks" \
{[-verbose] [-corner corner_name] [-digits digits] [-no_line_splits] [pins]\
[> filename] [>> filename]}
proc_redirect report_pulse_width_checks {
variable path_options
parse_key_args "report_pulse_width_checks" args keys {-corner} \
flags {-verbose} 0
# Only -digits and -no_line_splits are respected.
parse_report_path_options "report_pulse_width_checks" args "full" 0
check_argc_eq0or1 "report_pulse_width_checks" $args
set corner [parse_corner_or_all keys]
set verbose [info exists flags(-verbose)]
if { [llength $args] == 1 } {
set pins [get_port_pins_error "pins" [lindex $args 0]]
set checks [min_pulse_width_check_pins $pins $corner]
} else {
set checks [min_pulse_width_checks $corner]
}
if { $checks != {} } {
report_mpw_checks $checks $verbose
}
}
################################################################
# Note that -all and -tags are intentionally "hidden".
define_cmd_args "report_path" \
{[-min|-max]\
[-format full|full_clock|full_clock_expanded|short|end|summary]\
[-fields [capacitance|slew|input_pin|net]\
[-digits digits] [-no_line_splits]\
[> filename] [>> filename]\
pin ^|r|rise|v|f|fall}
proc_redirect report_path {
parse_key_args "report_path" args keys {} \
flags {-max -min -all -tags} 0
if { [info exists flags(-min)] && [info exists flags(-max)] } {
sta_error 508 "-min and -max cannot both be specified."
} elseif [info exists flags(-min)] {
set min_max "min"
} elseif [info exists flags(-max)] {
set min_max "max"
} else {
# Default to max path.
set min_max "max"
}
set report_tags [info exists flags(-tags)]
set report_all [info exists flags(-all)]
parse_report_path_options "report_path" args "full" 1
check_argc_eq2 "report_path" $args
set pin_arg [lindex $args 0]
set tr [parse_rise_fall_arg [lindex $args 1]]
set pin [get_port_pin_error "pin" $pin_arg]
if { [$pin is_hierarchical] } {
sta_error 509 "pin '$pin_arg' is hierarchical."
} else {
foreach vertex [$pin vertices] {
if { $vertex != "NULL" } {
if { $report_all } {
set first 1
set path_iter [$vertex path_iterator $tr $min_max]
while {[$path_iter has_next]} {
set path [$path_iter next]
if { $first } {
report_line "Tag group: [$vertex tag_group_index]"
} else {
report_line ""
}
if { $report_tags } {
report_line "Tag: [$path tag]"
}
report_path_cmd $path
delete_path_ref $path
set first 0
}
$path_iter finish
} else {
set worst_path [vertex_worst_arrival_path_rf $vertex $tr $min_max]
if { $worst_path != "NULL" } {
if { $report_tags } {
report_line "Tag: [$worst_path tag]"
}
report_path_cmd $worst_path
delete_path_ref $worst_path
}
}
}
}
}
}
proc parse_rise_fall_arg { arg } {
if { $arg eq "r" || $arg eq "^" || $arg eq "rise" } {
return "rise"
} elseif { $arg eq "f" || $arg eq "v" || $arg eq "fall" } {
retur "fall"
} else {
error "unknown rise/fall transition name."
}
}
proc parse_report_path_options { cmd args_var default_format
unknown_key_is_error } {
variable path_options
variable report_path_field_width_extra
global sta_report_default_digits
upvar 1 $args_var args
if [info exists path_options] {
unset path_options
}
parse_key_args $cmd args path_options {-format -digits -fields} \
path_options {-no_line_splits -report_sigmas} $unknown_key_is_error
set format $default_format
if [info exists path_options(-format)] {
set format $path_options(-format)
set formats {full full_clock full_clock_expanded short \
end slack_only summary json}
if { [lsearch $formats $format] == -1 } {
sta_error 510 "-format $format not recognized."
}
} else {
set path_options(-format) $default_format
}
set_report_path_format $format
set digits $sta_report_default_digits
if [info exists path_options(-digits)] {
set digits $path_options(-digits)
check_positive_integer "-digits" $digits
}
set report_sigmas [info exists path_options(-report_sigmas)]
set_report_path_sigmas $report_sigmas
set path_options(num_fmt) "%.${digits}f"
set_report_path_digits $digits
# Numeric field width expands with digits.
set field_width [expr $digits + $report_path_field_width_extra]
if { $report_sigmas } {
set delay_field_width [expr $field_width * 3 + $report_path_field_width_extra]
} else {
set delay_field_width $field_width
}
foreach field {total incr} {
set_report_path_field_width $field $delay_field_width
}
foreach field {capacitance slew} {
set_report_path_field_width $field $field_width
}
if { [info exists path_options(-fields)] } {
set fields $path_options(-fields)
set report_input_pin [expr [lsearch $fields "input*"] != -1]
set report_cap [expr [lsearch $fields "cap*"] != -1]
set report_net [expr [lsearch $fields "net*"] != -1]
# transition_time - compatibility 06/24/2019
set report_slew [expr [lsearch $fields "slew*"] != -1 \
|| [lsearch $fields "trans*"] != -1]
} else {
set report_input_pin 0
set report_cap 0
set report_net 0
set report_slew 0
}
set_report_path_fields $report_input_pin $report_net \
$report_cap $report_slew
set_report_path_no_split [info exists path_options(-no_line_splits)]
}
################################################################
define_cmd_args "report_required" {pin}
proc report_required { pin } {
report_delays_wrt_clks $pin "requireds_clk_delays"
}
################################################################
define_cmd_args "report_slack" {pin}
proc report_slack { pin } {
report_delays_wrt_clks $pin "slacks_clk_delays"
}
################################################################
# Internal debugging command.
proc report_tag_arrivals { pin } {
set pin [get_port_pin_error "pin" $pin]
foreach vertex [$pin vertices] {
report_tag_arrivals_cmd $vertex
}
}
################################################################
define_hidden_cmd_args "total_negative_slack" \
{[-corner corner] [-min]|[-max]}
proc total_negative_slack { args } {
parse_key_args "total_negative_slack" args \
keys {-corner} flags {-min -max}
check_argc_eq0 "total_negative_slack" $args
set min_max [parse_min_max_flags flags]
if { [info exists keys(-corner)] } {
set corner [parse_corner_required keys]
set tns [total_negative_slack_corner_cmd $corner $min_max]
} else {
set tns [total_negative_slack_cmd $min_max]
}
return [time_sta_ui $tns]
}
################################################################
define_hidden_cmd_args "worst_negative_slack" \
{[-corner corner] [-min]|[-max]}
proc worst_negative_slack { args } {
set worst_slack [worst_slack1 "worst_negative_slack" $args]
if { $worst_slack < 0.0 } {
return $worst_slack
} else {
return 0.0
}
}
################################################################
define_hidden_cmd_args "worst_slack" \
{[-corner corner] [-min]|[-max]}
proc worst_slack { args } {
return [worst_slack1 "worst_slack" $args]
}
# arg parsing common to worst_slack/worst_negative_slack