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61 lines
1.5 KiB
Tcl
61 lines
1.5 KiB
Tcl
if {![info exists standalone] || $standalone} {
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# Read lef
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read_lef $::env(TECH_LEF)
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read_lef $::env(SC_LEF)
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if {[info exist ::env(ADDITIONAL_LEFS)]} {
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foreach lef $::env(ADDITIONAL_LEFS) {
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read_lef $lef
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}
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}
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# Read liberty files
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foreach libFile $::env(LIB_FILES) {
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read_liberty $libFile
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}
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# Read design files
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read_def $::env(RESULTS_DIR)/2_2_floorplan_io.def
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read_sdc $::env(RESULTS_DIR)/2_floorplan.sdc
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if [file exists $::env(PLATFORM_DIR)/derate.tcl] {
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source $::env(PLATFORM_DIR)/derate.tcl
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}
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} else {
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puts "Starting TDMS placement"
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}
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proc find_macros {} {
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set macros ""
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set db [::ord::get_db]
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set block [[$db getChip] getBlock]
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foreach inst [$block getInsts] {
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set inst_master [$inst getMaster]
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# BLOCK means MACRO cells
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if { [string match [$inst_master getType] "BLOCK"] } {
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append macros " " $inst
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}
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}
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return $macros
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}
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# Set res and cap
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source $::env(PLATFORM_DIR)/setRC.tcl
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set_dont_use $::env(DONT_USE_CELLS)
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if {[info exists ::env(MACRO_PLACEMENT)]} {
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puts "\[INFO\]\[FLOW-xxxx\] Using manual macro placement file $::env(MACRO_PLACEMENT)"
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} elseif {[find_macros] != ""} {
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global_placement -density $::env(PLACE_DENSITY) \
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-pad_left $::env(CELL_PAD_IN_SITES_GLOBAL_PLACEMENT) \
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-pad_right $::env(CELL_PAD_IN_SITES_GLOBAL_PLACEMENT)
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} else {
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puts "No macros found: Skipping global_placement"
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}
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if {![info exists standalone] || $standalone} {
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write_def $::env(RESULTS_DIR)/2_3_floorplan_tdms.def
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exit
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}
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