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 # Allow override of PDK path from environment variable PDKPATH if {[catch {set PDKPATH $env(PDKPATH)}]} { set PDKPATH "~/skywater/pdk/skywater130/sky130A" } # loading technology tech load $PDKPATH/libs.tech/magic/current/sky130A.tech # load device generator source $PDKPATH/libs.tech/magic/current/sky130A.tcl # load bind keys (optional) # source $PDKPATH/libs.tech/magic/current/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 maglef } # 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 } 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} } # 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}