librelane

# Copyright 2025 LibreLane Contributors
#
# Adapted from OpenLane
#
# Copyright 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
source $::env(SCRIPTS_DIR)/magic/common/read.tcl
drc off
crashbackups disable
locking disable

gds noduplicates true
gds readonly true

# read stdcells
read_pdk_gds
# annotate with lef
read_pdk_lef

# read macros
if { $::env(MAGIC_MACRO_STD_CELL_SOURCE) == "PDK" } {
    read_macro_gds
    # annotate with lef
    read_macro_lef
} else {
    read_macro_gds_blackbox
    # annotate with lef
    read_macro_lef
}

# read extras
read_extra_gds
# annotate with lef
read_extra_lef

# read pads
read_pad_gds
# annotate with lef
read_pad_lef

load (NEWCELL)

read_tech_lef
read_def

load $::env(DESIGN_NAME)
select top cell

units microns

if { $::env(MAGIC_ZEROIZE_ORIGIN) } {
	# assuming scalegrid 1 2
	# makes origin zero based on the minimum enclosing box
	# all shapes will be within the block boundary
	# lower left corner will become (0, 0)
	puts "\[INFO\] Zeroizing Origin"
	set bbox [box values]
	set offset_x [lindex $bbox 0]
	set offset_y [lindex $bbox 1]
	move origin [expr {$offset_x/2}] [expr {$offset_y/2}]
	puts "\[INFO\] Current Box Values: [box values]"
	property FIXED_BBOX [box values]
} else {
	# makes origin zero based on the DIEAREA as defined in the DEF
	# file. Shapes can extend outside the block boundary.
	# magic "lef write -hide" doesn't produce nice results in this
	# case for shapes outside the boundary.
	property FIXED_BBOX [lindex $::env(DIE_AREA) 0]um [lindex $::env(DIE_AREA) 1]um [lindex $::env(DIE_AREA) 2]um [lindex $::env(DIE_AREA) 3]um
}

select top cell

cellname filepath $::env(DESIGN_NAME) $::env(STEP_DIR)

save

load $::env(DESIGN_NAME)

select top cell

if {  $::env(MAGIC_DISABLE_CIF_INFO) } {
	cif *hier write disable
	cif *array write disable
}

gds nodatestamp yes

if { $::env(MAGIC_GDS_POLYGON_SUBCELLS) } {
	gds polygon subcells true
}

if { $::env(MAGIC_GDS_MERGE) } {
	gds merge yes
}

gds write $::env(SAVE_MAG_GDS)
puts "\[INFO\] GDS Write Complete"