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# Copyright (c) 2026, 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/>.
#
# The origin of this software must not be misrepresented; you must not
# claim that you wrote the original software.
#
# Altered source versions must be plainly marked as such, and must not be
# misrepresented as being the original software.
#
# This notice may not be removed or altered from any source distribution.
################################################################
#
# Power commands.
#
################################################################
namespace eval sta {
define_cmd_args "report_power" \
{ [-instances instances]\
[-highest_power_instances count]\
[-scene scene]\
[-digits digits]\
[-format format]\
[> filename] [>> filename] }
proc_redirect report_power {
global sta_report_default_digits
parse_key_args "report_power" args \
keys {-instances -highest_power_instances -corner -scene -format -digits}\
flags {}
check_argc_eq0 "report_power" $args
if { ![liberty_libraries_exist] } {
sta_error 304 "No liberty libraries have been read."
}
if { [info exists keys(-digits)] } {
set digits $keys(-digits)
check_positive_integer "-digits" $digits
} else {
set digits $sta_report_default_digits
}
set scene [parse_scene keys]
if { [info exists keys(-format)] } {
set format $keys(-format)
if { $format != "text" && $format != "json" } {
sta_error 311 "unknown power report -format $format"
}
} else {
set format "text"
}
if { [info exists keys(-instances)] } {
set insts [get_instances_error "-instances" $keys(-instances)]
if { $format == "json" } {
report_power_insts_json $insts $scene $digits
} else {
report_power_insts $insts $scene $digits
}
} elseif { [info exists keys(-highest_power_instances)] } {
set count $keys(-highest_power_instances)
check_positive_integer "-highest_power_instances" $count
set insts [highest_power_instances $count $scene]
if { $format == "json" } {
report_power_insts_json $insts $scene $digits
} else {
report_power_insts $insts $scene $digits
}
} else {
if { $format == "json" } {
report_power_design_json $scene $digits
} else {
report_power_design $scene $digits
}
}
}
proc liberty_libraries_exist {} {
set lib_iter [liberty_library_iterator]
set have_liberty 0
if { [$lib_iter has_next] } {
set have_liberty 1
}
$lib_iter finish
return $have_liberty
}
################################################################
define_cmd_args "set_power_activity" { [-global]\
[-input]\
[-input_ports ports]\
[-pins pins]\
[-activity activity | -density density]\
[-duty duty]\
[-clock clock]}
proc set_power_activity { args } {
parse_key_args "set_power_activity" args \
keys {-input_ports -pins -activity -density -duty -clock} \
flags {-global -input}
check_argc_eq0 "set_power_activity" $args
if { [info exists keys(-activity)] && [info exists keys(-density)] \
|| ![info exists keys(-activity)] && ![info exists keys(-density)] } {
sta_error 306 "Specify -activity or -density."
}
set density 0.0
if { [info exists keys(-activity)] } {
set activity $keys(-activity)
check_positive_float "activity" $activity
if { [info exists keys(-clock)] } {
set clk [get_clock_warn "-clock" $keys(-clock)]
} else {
set clks [get_clocks]
if { $clks == {} } {
sta_error 307 "-activity requires a clock to be defined"
}
}
set density [expr $activity / [clock_min_period [cmd_mode_name]]]
}
if { [info exists keys(-density)] } {
set density $keys(-density)
check_positive_float "density" $density
set density [expr $density / [time_ui_sta 1.0]]
if { [info exists keys(-clock)] } {
sta_warn 308 "-clock ignored for -density"
}
}
set duty 0.5
if { [info exists keys(-duty)] } {
set duty $keys(-duty)
check_float "duty" $duty
if { $duty < 0.0 || $duty > 1.0 } {
sta_error 309 "duty should be 0.0 to 1.0"
}
}
if { [info exists flags(-global)] } {
set_power_global_activity $density $duty
}
if { [info exists flags(-input)] } {
set_power_input_activity $density $duty
}
if { [info exists keys(-input_ports)] } {
set ports [get_ports_error "input_ports" $keys(-input_ports)]
foreach port $ports {
if { [get_property $port "direction"] == "input" } {
if { [is_clock_src [get_port_pin $port]] } {
sta_warn 310 "activity cannot be set on clock ports."
} else {
set_power_input_port_activity $port $density $duty
}
}
}
}
if { [info exists keys(-pins)] } {
set pins [get_pins $keys(-pins)]
foreach pin $pins {
set_power_pin_activity $pin $density $duty
}
}
}
################################################################
define_cmd_args "unset_power_activity" { [-global]\
[-input]\
[-input_ports ports]\
[-pins pins]\
[-clock clock]}
proc unset_power_activity { args } {
parse_key_args "unset_power_activity" args \
keys {-input_ports -pins -clock} \
flags {-global -input}
check_argc_eq0 "unset_power_activity" $args
if { [info exists flags(-global)] } {
unset_power_global_activity
}
if { [info exists flags(-input)] } {
unset_power_input_activity
}
if { [info exists keys(-input_ports)] } {
set ports [get_ports_error "input_ports" $keys(-input_ports)]
foreach port $ports {
if { [get_property $port "direction"] == "input" } {
if { [is_clock_src [get_port_pin $port]] } {
sta_warn 303 "activity cannot be set on clock ports."
} else {
unset_power_input_port_activity $port
}
}
}
}
if { [info exists keys(-pins)] } {
set pins [get_pins $keys(-pins)]
foreach pin $pins {
unset_power_pin_activity $pin
}
}
}
################################################################
# Deprecated 9/2024
define_cmd_args "read_power_activities" { [-scope scope] -vcd filename }
proc read_power_activities { args } {
parse_key_args "read_power_activities" args \
keys {-scope} flags {-vcd}
check_argc_eq1 "set_power_activity" $args
set filename [file nativename [lindex $args 0]]
set scope ""
if { [info exists keys(-scope)] } {
set scope $keys(-scope)
}
sta_warn 305 "read_power_activities is deprecated. Use read_vcd."
read_vcd_file $filename $scope [cmd_mode_name] \
$::sta::vcd_null_time $::sta::vcd_null_time
}
################################################################
define_cmd_args "read_vcd" \
{[-scope scope] [-mode mode_name] [-begin_time begin_time] [-end_time end_time] filename}
proc read_vcd { args } {
parse_key_args "read_vcd" args \
keys {-scope -mode -begin_time -end_time} flags {}
check_argc_eq1 "read_vcd" $args
set filename [file nativename [lindex $args 0]]
set scope ""
if { [info exists keys(-scope)] } {
set scope $keys(-scope)
}
set mode_name [cmd_mode_name]
if { [info exists keys(-mode)] } {
set mode_name $keys(-mode)
}
set begin_time $::sta::vcd_null_time
if { [info exists keys(-begin_time)] } {
set begin_time $keys(-begin_time)
}
set end_time $::sta::vcd_null_time
if { [info exists keys(-end_time)] } {
set end_time $keys(-end_time)
}
read_vcd_file $filename $scope $mode_name $begin_time $end_time
}
################################################################
define_cmd_args "read_saif" { [-scope scope] filename }
proc read_saif { args } {
parse_key_args "read_saif" args keys {-scope} flags {}
check_argc_eq1 "read_saif" $args
set filename [file nativename [lindex $args 0]]
set scope ""
if { [info exists keys(-scope)] } {
set scope $keys(-scope)
}
read_saif_file $filename $scope
}
################################################################
define_cmd_args "report_activity_annotation" { [-report_unannotated] \
[-report_annotated] }
proc_redirect report_activity_annotation {
parse_key_args "report_activity_annotation" args \
keys {} flags {-report_unannotated -report_annotated}
check_argc_eq0 "report_activity_annotation" $args
set report_unannotated [info exists flags(-report_unannotated)]
set report_annotated [info exists flags(-report_annotated)];
report_activity_annotation_cmd $report_unannotated $report_annotated
}
################################################################
proc power_find_nan { } {
set scene [cmd_scene]
foreach inst [network_leaf_instances] {
set power_result [instance_power $inst $scene]
lassign $power_result internal switching leakage total
if { [is_nan $internal] || [is_nan $switching] || [is_nan $leakage] } {
report_line "[get_full_name $inst] $internal $switching $leakage"
break
}
}
}
proc is_nan { str } {
return [string match "*NaN" $str]
}
# sta namespace end.
}
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