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Reintroduce mock_area feature #146

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merged 5 commits into from
Sep 13, 2024
Merged

Reintroduce mock_area feature #146

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4ebd2e5
mock_area: Save scaled variables to given file
eszpotanski Sep 12, 2024
835f6c9
make: Source file with additional variables
eszpotanski Sep 12, 2024
25ebe55
openroad: Add mock_area targets implementeation
eszpotanski Sep 12, 2024
6809f73
BUILD: Mock area for lb_32x128
eszpotanski Sep 12, 2024
20f7250
README: Add mock_area description
eszpotanski Sep 12, 2024
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18 changes: 14 additions & 4 deletions mock_area.tcl
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Original file line number Diff line number Diff line change
@@ -1,12 +1,22 @@
read_db $::env(RESULTS_DIR)/../base/2_floorplan.odb
proc tee {file content} {
puts $content
puts $file $content
}

set out_file [lindex [split $::env(OUTPUTS) ":"] 0]

read_db $::env(RESULTS_DIR)/2_floorplan.odb
set db [::ord::get_db]
set dbu_per_uu [expr double([[$db getTech] getDbUnitsPerMicron])]
set block [[$db getChip] getBlock]
set die_bbox [$block getDieArea]
set core_bbox [$block getCoreArea]
set scale [expr $::env(MOCK_AREA) / $dbu_per_uu]
#set scale [expr 0.5 / $dbu_per_uu]
puts "export DIE_AREA=\"0 0 [expr $scale*[$die_bbox xMax]] [expr $scale*[$die_bbox yMax]]\""
puts "export CORE_AREA=\"[expr $scale*[$core_bbox xMin]] [expr $scale*[$core_bbox yMin]] \

set file [open $out_file w]
tee $file "export DIE_AREA=\"0 0 [expr $scale*[$die_bbox xMax]] [expr $scale*[$die_bbox yMax]]\""
tee $file "export CORE_AREA=\"[expr $scale*[$core_bbox xMin]] [expr $scale*[$core_bbox yMin]] \
[expr $scale*([$die_bbox xMax] - ([$die_bbox xMax] - [$core_bbox xMax]))] \
[expr $scale*([$die_bbox yMax] - ([$die_bbox yMax] - [$core_bbox yMax]))]\""
tee $file "export CORE_UTILIZATION="
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The need for this line would have been caught by The-OpenROAD-Project/OpenROAD-flow-scripts#2344

close $file