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.magicrc
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puts stdout "Sourcing design .magicrc for technology sky130A ..."
# Put grid on 0.005 pitch. This is important, as some commands don't
# rescale the grid automatically (such as lef read?).
set scalefac [tech lambda]
if {[lindex $scalefac 1] < 2} {
scalegrid 1 2
}
# drc off
drc euclidean on
# Change this to a fixed number for repeatable behavior with GDS writes
# e.g., "random seed 12345"
catch {random seed}
# Turn off the scale option on ext2spice or else it conflicts with the
# scale in the model files.
ext2spice scale off
# Allow override of PDK path from environment variable PDKPATH
if {[catch {set PDKPATH $env(PDKPATH)}]} {
set PDKPATH "/home/derekhm/proj/caravan-project/pdk/sky130A"
}
# loading technology
tech load $PDKPATH/libs.tech/magic/sky130A.tech
# load device generator
source $PDKPATH/libs.tech/magic/sky130A.tcl
# load bind keys (optional)
# source $PDKPATH/libs.tech/magic/sky130A-BindKeys
# set units to lambda grid
snap lambda
# set sky130 standard power, ground, and substrate names
set VDD VPWR
set GND VGND
set SUB VSUBS
# Allow override of type of magic library views used, "mag" or "maglef",
# from environment variable MAGTYPE
if {[catch {set MAGTYPE $env(MAGTYPE)}]} {
set MAGTYPE mag
}
# add path to reference cells
if {[file isdir ${PDKPATH}/libs.ref/${MAGTYPE}]} {
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_pr
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_io
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hd
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hdll
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hs
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hvl
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_lp
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_ls
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_ms
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_osu_sc
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_osu_sc_t18
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_ml_xx_hd
addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_sram_macros
} else {
addpath ${PDKPATH}/libs.ref/sky130_fd_pr/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_fd_io/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hd/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hdll/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hs/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hvl/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_fd_sc_lp/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_fd_sc_ls/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_fd_sc_ms/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_osu_sc/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_osu_sc_t18/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_ml_xx_hd/${MAGTYPE}
addpath ${PDKPATH}/libs.ref/sky130_sram_macros/${MAGTYPE}
}
# add path to GDS cells
# add path to IP from catalog. This procedure defined in the PDK script.
catch {magic::query_mylib_ip}
# add path to local IP from user design space. Defined in the PDK script.
catch {magic::query_my_projects}