Altera Quartus II Scripting Manual do Utilizador descarregar pdf (Página 155)

100

101

Chapter 3: Tcl Packages & Commands 3–25

advanced_timing

Example

load_package advanced_timing

project_open <design>

create_timing_netlist

# For every timing node, print its type, name, and location

foreach_in_collection node [get_timing_nodes -type all] {

set node_name [get_timing_node_info -info name $node]

set node_type [get_timing_node_info -info type $node]

set node_location [get_timing_node_info -info location $node]

puts "$node_type : $node_location : $node_name"

}

# Print all nodes that are members of a combinational loop

foreach_in_collection node [get_timing_nodes -type all] {

if [get_timing_node_info -info is_loop $node] {

set node_name [get_timing_node_info -info name $node]

puts "Part of a combinational loop: $node_name"

}

# Print the worst case slack on every register

# (This assumes timing constraints exist)

compute_slack_on_edges

foreach_in_collection node [get_timing_nodes -type all] {

set node_name [get_timing_node_info -info name $node]

set node_slack [get_timing_node_info -info slack $node]

puts "Slack is $node_slack for $node_name"

}

project_close

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