mag/sky130A.magicrc

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 PDK_ROOT
# "file nativename" guards against a local PDK_ROOT with "~" in the name
if {[catch {set PDK_ROOT [file nativename $env(PDK_ROOT)]}]} {
    set PDK_ROOT /foss/pdk
}

# loading technology
tech load $PDK_ROOT/sky130A/libs.tech/magic/sky130A.tech

# load device generator
source $PDK_ROOT/sky130A/libs.tech/magic/sky130A.tcl

# load bind keys (optional)
# source $PDK_ROOT/sky130A/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 ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}]} {
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_pr
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_io
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_hd
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_hdll
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_hs
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_hvl
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_lp
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_ls
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_ms
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_osu_sc
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_osu_sc_t18
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_ml_xx_hd
    addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_sram_macros
} else {
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_pr/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_io/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_hd/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_hdll/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_hs/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_hvl/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_lp/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_ls/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_ms/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_osu_sc/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_osu_sc_t18/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_ml_xx_hd/${MAGTYPE}
    addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_sram_macros/${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}