#!/bin/bash
# Copyright 2013, Sinclair R.F., Inc.
# Make script for Xilinx Spartan 6

XST_ARG="";
MAP_ARG="";

TOOL_DIR="$1";
NAME="$2";
if [ -n "$3" ]; then
  MAP_ARG+=" $3";
fi

#DEVICE=xc6slx4l-tqg144;  # low power device
DEVICE=xc6slx4-2tqg144;  # standard performance device
#DEVICE=xc6slx4-3tqg144;  # high performance device

( cd ../uc; ../../../../ssbcc -q --define-clog2 ${NAME}.9x8; ) || exit 1;

FILES="";
FILES+=" ../uc/${NAME}.v";

VERSION="`echo ${TOOL_DIR} | sed -e 's/^[^0-9]\+//' -e 's/[^0-9]\+$//'`";

#
# Optional configuration parameters.
#

# Configure tools for minimum area implementation.
#XST_ARG+="-opt_mode area -fsm_encoding user ";
#MAP_ARG+=" -global_opt area -lc area";

# Configure tools for maximum speed.
XST_ARG+="-opt_mode speed -resource_sharing no ";
#MAP_ARG+=" -global_opt speed -lc auto -logic_opt on -register_duplication on -retiming on -timing -xe c";

#
# Configure and run the synthesis
#

source ${TOOL_DIR}/settings32.sh || { echo "ERROR:  settings32.sh failed" > /dev/stderr; exit 1; }

for fname in ${FILES}; do
  echo "verilog work \"${fname}\"";
done > ${NAME}.prj;

mkdir -p xst/projnav.tmp;

cat <<EOF > ${NAME}.xst
set -tmpdir "xst/projnav.tmp"
set -xsthdpdir "xst"
run
-ifn ${NAME}.prj
-ofn ${NAME}
-p ${DEVICE}
-top ${NAME}
${XST_ARG}
EOF

xst \
  -ifn "${NAME}.xst" \
  -ofn "${NAME}.syr" \
|| { echo "ERROR:  XST Failed!"; exit 1; }

#
# Convert the ngc to an ngd.
#

ngdbuild \
  -dd _ngo \
  -nt timestamp \
  -uc ${NAME}.ucf \
  -p ${DEVICE} \
  ${NAME}.ngc ${NAME}.ngd \
|| { echo "ngdbuild Failed!"; exit 1; }

#
# Run map.
#

if [[ "${VERSION}" > "12.0" ]]; then
  MAP_ARG+=" -r 4";
fi

if [ -z "`echo ${MAP_ARG} | sed -n '/logic_opt/p'`" ]; then
  MAP_ARG+=" -logic_opt off";
fi

map                             \
  -p ${DEVICE}                  \
  -o ${NAME}.ncd                \
  -detail                       \
  -w                            \
  ${MAP_ARG}                    \
  ${NAME}.ngd ${NAME}.pcf       \
|| { echo "MAP Failed!"; exit 1; }

#
# Run par.
#

par             \
  -w            \
  -xe n         \
  ${NAME}.ncd ${NAME}.ncd ${NAME}.pcf \
|| { echo "PAR Failed!"; exit 1; }

#
# Optionally perform timing analysis
#

if [ `false` ]; then
  trce \
    -v 3 \
    -s 3 \
    -n 3 \
    -fastpaths \
    -xml ${NAME}.twx \
    ${NAME}.ncd \
    -o ${NAME}.twr \
    ${NAME}.pcf \
    -ucf ${NAME}.ucf
fi

# Successful execution!
exit 0;