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#!/bin/bash

# Copyright 2013-2014, Sinclair R.F., Inc.

# Test against Xilinx Spartan 3A and ISE.

#

# To replicate the performance runs:

# - Minimum resource utilization, use -5 speed grade, 15 ns clock, XST and MAP

#   set for minimum area.  ISE 11.4, 12.4, 13.3, and 14.4 gave identical

#   results:  129 slices, 232 LUTs

# - Maximum speed (rounded down)

#   -4 11.4 8.1 ns "-timing -t  76" ==> 8.093 ns (123.5 MHz)

#   -4 12.4 8.1 ns "-timing -t  68" ==> 8.131 ns (122.9 MHz)

#   -4 13.3 8.1 ns "-timing -t  84" ==> 8.117 ns (123.1 MHz)

#   -4 14.7 8.1 ns "-timing -t  50" ==> 8.097 ns (123.5 MHz)

#   -5 11.4 6.7 ns "-timing -t  91" ==> 6.694 ns (149.3 MHz)

#   -5 12.4 6.7 ns "-timing -t  57" ==> 6.751 ns (148.1 MHz)

#   -5 13.3 6.7 ns "-timing -t  19" ==> 6.749 ns (148.1 MHz)

#   -5 14.7 6.7 ns "-timing -t  59" ==> 6.689 ns (149.4 MHz)

TESTED="11.4 12.4 13.3 14.4 14.7";

TEST_BENCHES="";

TEST_BENCHES+=" uc_led";

TEST_BENCHES+=" uc_peripherals";

PWD="`pwd`";

PWD="${PWD/*\/}";

while getopts "ht:v:" OPTNAME; do

  case ${OPTNAME} in

    ( h ) echo "Usage:  run [-t uc_name] [-v ISE_version]" > /dev/stderr;

          echo "Where:" > /dev/stderr;

          echo "  uc_name is one of the .9x8 files in ../uc" > /dev/stderr;

          echo "  ISE_version is an ISE version number" > /dev/stderr;

          exit 0;;

    ( t ) TEST_BENCHES="${OPTARG}";;

    ( v ) TESTED="${OPTARG}";;

  esac

done

let nTested=0;

for VERSION in ${TESTED}; do

  TOOL_DIR="/opt/Xilinx/${VERSION}";

  if [ ! -e "${TOOL_DIR}" ]; then

    echo "Xilinx ISE version ${VERSION} not found at ${TOOL_DIR}" > /dev/stderr;

    continue;

  fi

  if [ -d "${TOOL_DIR}/ISE_DS" ]; then

    TOOL_DIR="${TOOL_DIR}/ISE_DS";

  fi

  for TB in ${TEST_BENCHES}; do

    let nTested+=1;

    LOGFILE="log-${VERSION}-${TB}";

    if [ ! -z "`./make "${TOOL_DIR}" ${TB} 2>&1 | tee "${LOGFILE}" | sed -n '/ERROR/p'`" ]; then

      grep "ERROR" "${LOGFILE}"                 > /dev/stderr;

      echo "BUILD TEST BENCH FAILED"            > /dev/stderr;

      echo "build directory:    ${PWD}"         > /dev/stderr;

      echo "TOOL:               ${TOOL_DIR}"    > /dev/stderr;

      echo "TEST:               ${TB}"          > /dev/stderr;

      echo "LOG FILE:           ${LOGFILE}"     > /dev/stderr;

      exit 1;

    fi

    echo "Build results for ${PWD} Xilinx ISE/${VERSION} ${TB}";

    sed -n \

        -e '/Minimum period/p' \

        -e '/^ Number of Slices:/p' \

        -e '/^ Number of 4 input LUTs:/p' \

        -e '/^ Number of BRAMs:/p' \

        -e '/TS_i_clk = PERIOD/,+1p' \

        "${LOGFILE}" \

        ;

  done

done

if [ ${nTested} == "0" ]; then

  echo "No tests performed in ${PWD/*\/}" > /dev/stderr;

else

  echo "${nTested} tool versions successfully tested in ${PWD/*\/}" > /dev/stderr;

fi