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Diffstat (limited to 'scripts/magic_view.sh')
| -rwxr-xr-x | scripts/magic_view.sh | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/scripts/magic_view.sh b/scripts/magic_view.sh new file mode 100755 index 0000000..687d5ea --- /dev/null +++ b/scripts/magic_view.sh @@ -0,0 +1,307 @@ +#!/usr/bin/tcsh -f +#---------------------------------------------------------- +# Qflow layout display script using magic-8.X +#---------------------------------------------------------- +# Tim Edwards, April 2013 +#---------------------------------------------------------- + +if ($#argv < 2) then + echo Usage: magic_view.sh [options] <project_path> <source_name> + echo Options: + echo -g Use GDS view of standard cells (default auto-detect) + echo -l Use LEF view of standard cells + echo -d Use DEF view of layout (default auto-detect) + echo -m Use magic database view of layout + exit 1 +endif + +# Split out options from the main arguments +set argline=(`getopt "gldm" $argv[1-]`) +set cmdargs=`echo "$argline" | awk 'BEGIN {FS = "-- "} END {print $2}'` +set argc=`echo $cmdargs | wc -w` + +if ($argc == 2) then + set argv1=`echo $cmdargs | cut -d' ' -f1` + set argv2=`echo $cmdargs | cut -d' ' -f2` +else + echo Usage: magic_view.sh [options] <project_path> <source_name> + echo where + echo <project_path> is the name of the project directory containing + echo a file called qflow_vars.sh. + echo <source_name> is the root name of the verilog file, and + exit 1 +endif + +set dogds=-1 +set domag=-1 + +foreach option (${argline}) + switch (${option}) + case -g: + set dogds=1 + shift + breaksw + case -l: + set dogds=0 + shift + breaksw + case -d: + set domag=0 + shift + breaksw + case -m: + set domag=1 + shift + breaksw + case --: + break + endsw +end + +set projectpath=$argv1 +set sourcename=$argv2 +set rootname=${sourcename:h} + +# This script is called with the first argument <project_path>, which should +# have file "qflow_vars.sh". Get all of our standard variable definitions +# from the qflow_vars.sh file. + +if (! -f ${projectpath}/qflow_vars.sh ) then + echo "Error: Cannot find file qflow_vars.sh in path ${projectpath}" + exit 1 +endif + +source ${projectpath}/qflow_vars.sh +source ${techdir}/${techname}.sh +cd ${projectpath} +if (-f project_vars.sh) then + source project_vars.sh +endif + +# Prepend techdir to magicrc unless magicrc begins with "/" +set abspath=`echo ${magicrc} | cut -c1` +if ( "${abspath}" == "/" ) then + set magicrcpath=${magicrc} +else + set magicrcpath=${techdir}/${magicrc} +endif + +# Prepend techdir to each gdsfile unless gdsfile begins with "/" +set gdspath="" +foreach f (${gdsfile}) + set abspath=`echo ${f} | cut -c1` + if ( "${abspath}" == "/" ) then + set p=${gdsfile} + else + set p=${techdir}/${gdsfile} + endif + set gdspath="${gdspath} $p" +end + +# Prepend techdir to each leffile unless leffile begins with "/" +set lefpath="" +foreach f (${leffile}) + set abspath=`echo ${f} | cut -c1` + if ( "${abspath}" == "/" ) then + set p=${leffile} + else + set p=${techdir}/${leffile} + endif + set lefpath="${lefpath} $p" +end + +# Prepend techdir to techleffile unless techleffile begins with "/" +set abspath=`echo ${techleffile} | cut -c1` +if ( "${abspath}" == "/" ) then + set techlefpath=${techleffile} +else + set techlefpath=${techdir}/${techleffile} +endif + +#---------------------------------------------------------- +# Copy the .magicrc file from the tech directory to the +# layout directory, if it does not have one. This file +# automatically loads the correct technology file. +#---------------------------------------------------------- + +if (! -f ${layoutdir}/.magicrc ) then + if ( -f ${magicrcpath} ) then + cp ${magicrcpath} ${layoutdir}/.magicrc + endif +endif + +#---------------------------------------------------------- +# Done with initialization +#---------------------------------------------------------- + +cd ${layoutdir} + +#--------------------------------------------------- +# Create magic layout (.mag file) using the +# technology LEF file to determine route widths +# and other parameters. +#--------------------------------------------------- + +set gdscmd="gds vendor true ; gds rescale false" +foreach gfile ( ${gdspath} ) +set gdscmd="${gdscmd} ; gds read ${gdspath}" +end + +set lefcmd="" +foreach lfile ( ${lefpath} ) +set lefcmd="${lefcmd} ; lef read ${lefpath}" +end + +if ($techleffile != "") then + set techlefcmd="lef read ${techlefpath}" +else + set techlefcmd="" +endif + +# Handle additional .lef files from the hard macros list + +set hardlefcmd="" +set hardgdscmd="" +if ( ${?hard_macros} ) then + foreach macro_path ( $hard_macros ) + foreach file ( `ls ${sourcedir}/${macro_path}` ) + if ( ${file:e} == "lef" ) then + set hardlefcmd="${hardlefcmd} ; lef read ${sourcedir}/${macro_path}/${file}" + endif + if ( ${file:e} == "gds" ) then + set hardgdscmd="${hardgdscmd} ; gds read ${sourcedir}/${macro_path}/${file}" + endif + end + end +endif + +# Auto-detect which view to use based on log files. If migration has not +# been done, then use the DEF view of the layout, otherwise use the (migrated) +# magic database view. If GDS was generated then use the full GDS view of +# the standard cells; otherwise use the LEF view of the standard cells. +# If either option has been forced by option switches, then the option switch +# overrides the auto-detection. + +if ($domag == -1) then + if (-f ${logdir}/migrate.log) then + set domag = 1 + else + set domag = 0 + endif +endif + +if ($dogds == -1) then + if (-f ${logdir}/gdsii.log) then + set dogds = 1 + else + set dogds = 0 + endif +endif + +set dispfile="${layoutdir}/load_${rootname}.tcl" + +# Create a script file for loading and displaying the layout + +if ($domag == 1 && $dogds == 0) then + cat > ${dispfile} << EOF +${techlefcmd} +${lefcmd} +${hardlefcmd} +load ${sourcename} +select top cell +expand +EOF +else if ($domag == 1 && $dogds == 1) then + cat > ${dispfile} << EOF +${gdscmd} +${hardgdscmd} +${techlefcmd} +${lefcmd} +${hardlefcmd} +load ${sourcename} +select top cell +expand +EOF +else if ($domag == 0 && $dogds == 0) then + cat > ${dispfile} << EOF +${techlefcmd} +${lefcmd} +${hardlefcmd} +def read ${sourcename} +select top cell +expand +EOF +else if ($domag == 0 && $dogds == 1) then + cat > ${dispfile} << EOF +${gdscmd} +${hardgdscmd} +${techlefcmd} +${lefcmd} +${hardlefcmd} +def read ${sourcename} +select top cell +expand +EOF +endif + +# don't die ungracefully if no X display: +if ( ! $?DISPLAY ) then + echo "No DISPLAY var, not running graphical magic." + exit +endif + +# Run magic and query what graphics device types are +# available. Use Cairo if available, fall back on +# X11, or else exit with a message + +# Support option to hardwire the graphics interface. + +set magicxr=0 +set magicx11=0 + +if ( ! $?magic_display ) then + ${bindir}/magic -noconsole -d <<EOF >& .magic_displays +exit +EOF + + set magicxr=`cat .magic_displays | grep XR | wc -l` + set magicx11=`cat .magic_displays | grep X11 | wc -l` + + rm -f .magic_displays +endif + +# Get the version of magic + +${bindir}/magic -noconsole --version <<EOF >& .magic_version +exit +EOF + +set magic_major=`cat .magic_version | cut -d. -f1` +set magic_minor=`cat .magic_version | cut -d. -f2` +set magic_rev=`cat .magic_version | cut -d. -f3` + +rm -f .magic_version + +# For magic versions less than 8.1.102, only the .mag file can +# be loaded from the command line. Otherwise, run the script. + +if ( ${magic_major} < 8 || ( ${magic_major} == 8 && ${magic_minor} < 1 ) || ( ${magic_major} == 8 && ${magic_minor} == 1 && ${magic_rev} < 102 ) ) then + set dispfile = ${sourcename} +endif + +# Run magic again, this time interactively. The script +# exits when the user exits magic. + +if ( $?magic_display ) then + ${bindir}/magic -d ${magic_display} ${dispfile} +else if ( ${magicxr} >= 1 ) then + ${bindir}/magic -d XR ${dispfile} +else if ( ${magicx11} >= 1) then + ${bindir}/magic -d X11 ${dispfile} +else + echo "Magic does not support Cairo or X11 graphics on this host." +endif + +#------------------------------------------------------------ +# Done! +#------------------------------------------------------------ |