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#! /bin/sh

# Generate CGEN simulator files.

#

# Usage: /bin/sh cgen.sh {"arch"|"cpu"|"decode"|"defs"|"cpu-decode"} \

#       srcdir cgen cgendir cgenflags \

#       arch archflags cpu mach suffix archfile extrafiles opcfile

#

# We store the generated files in the source directory until we decide to

# ship a Scheme interpreter (or other implementation) with gdb/binutils.

# Maybe we never will.

# We want to behave like make, any error forces us to stop.

set -e

action=$1

srcdir=$2

cgen="$3"

cgendir=$4

cgenflags=$5

arch=$6

archflags=$7

cpu=$8

isa=$9

# portably bring parameters beyond $9 into view

shift ; mach=$9

shift ; suffix=$9

shift ; archfile=$9

shift ; extrafiles=$9

shift ; opcfile=$9

rootdir=${srcdir}/../..

test -z "${opcfile}" && opcfile=/dev/null

if test -z "$isa" ; then

  isa=all

  prefix=$cpu

else

  prefix=${cpu}_$isa

fi

lowercase='abcdefghijklmnopqrstuvwxyz'

uppercase='ABCDEFGHIJKLMNOPQRSTUVWXYZ'

ARCH=`echo ${arch} | tr "${lowercase}" "${uppercase}"`

CPU=`echo ${cpu} | tr "${lowercase}" "${uppercase}"`

PREFIX=`echo ${prefix} | tr "${lowercase}" "${uppercase}"`

sedscript="\

-e s/@ARCH@/${ARCH}/g -e s/@arch@/${arch}/g \

-e s/@CPU@/${CPU}/g -e s/@cpu@/${cpu}/g \

-e s/@PREFIX@/${PREFIX}/g -e s/@prefix@/${prefix}/g"

case $action in

arch)

        rm -f tmp-arch.h1 tmp-arch.h

        rm -f tmp-arch.c1 tmp-arch.c

        rm -f tmp-all.h1 tmp-all.h

        ${cgen} ${cgendir}/cgen-sim.scm \

                -s ${cgendir} \

                ${cgenflags} \

                -f "${archflags}" \

                -m ${mach} \

                -a ${archfile} \

                -i ${isa} \

                -A tmp-arch.h1 \

                -B tmp-arch.c1 \

                -N tmp-all.h1

        sed $sedscript < tmp-arch.h1 > tmp-arch.h

        ${rootdir}/move-if-change tmp-arch.h ${srcdir}/arch.h

        sed $sedscript < tmp-arch.c1 > tmp-arch.c

        ${rootdir}/move-if-change tmp-arch.c ${srcdir}/arch.c

        sed $sedscript < tmp-all.h1 > tmp-all.h

        ${rootdir}/move-if-change tmp-all.h ${srcdir}/cpuall.h

        rm -f tmp-arch.h1 tmp-arch.c1 tmp-all.h1

        ;;

cpu | decode | cpu-decode)

        fileopts=""

        case $action in

        *cpu*)

                rm -f tmp-cpu.h1 tmp-cpu.c1

                rm -f tmp-ext.c1 tmp-read.c1 tmp-write.c1

                rm -f tmp-sem.c1 tmp-semsw.c1

                rm -f tmp-mod.c1

                rm -f tmp-cpu.h tmp-cpu.c

                rm -f tmp-ext.c tmp-read.c tmp-write.c

                rm -f tmp-sem.c tmp-semsw.c tmp-mod.c

                fileopts="$fileopts \

                        -C tmp-cpu.h1 \

                        -U tmp-cpu.c1 \

                        -M tmp-mod.c1 \

                        ${extrafiles}"

                ;;

        esac

        case $action in

        *decode*)

                rm -f tmp-dec.h1 tmp-dec.h tmp-dec.c1 tmp-dec.c

                fileopts="$fileopts \

                        -T tmp-dec.h1 \

                        -D tmp-dec.c1"

                case "$extrafiles" in

                  ignored) # Do nothing.

                           ;;

                  *)       fileopts="$fileopts $extrafiles"

                           ;;

                esac

                ;;

        esac

        ${cgen} ${cgendir}/cgen-sim.scm \

                -s ${cgendir} \

                ${cgenflags} \

                -f "${archflags}" \

                -m ${mach} \

                -a ${archfile} \

                -i ${isa} \

                ${fileopts}

        case $action in

        *cpu*)

                sed $sedscript < tmp-cpu.h1 > tmp-cpu.h

                ${rootdir}/move-if-change tmp-cpu.h ${srcdir}/cpu${suffix}.h

                sed $sedscript < tmp-cpu.c1 > tmp-cpu.c

                ${rootdir}/move-if-change tmp-cpu.c ${srcdir}/cpu${suffix}.c

                sed $sedscript < tmp-mod.c1 > tmp-mod.c

                ${rootdir}/move-if-change tmp-mod.c ${srcdir}/model${suffix}.c

                if test -f tmp-ext.c1 ; then \

                        sed $sedscript < tmp-ext.c1 > tmp-ext.c ; \

                        ${rootdir}/move-if-change tmp-ext.c ${srcdir}/extract${suffix}.c ; \

                fi

                if test -f tmp-read.c1 ; then \

                        sed $sedscript < tmp-read.c1 > tmp-read.c ; \

                        ${rootdir}/move-if-change tmp-read.c ${srcdir}/read${suffix}.c ; \

                fi

                if test -f tmp-write.c1 ; then \

                        sed $sedscript < tmp-write.c1 > tmp-write.c ; \

                        ${rootdir}/move-if-change tmp-write.c ${srcdir}/write${suffix}.c ; \

                fi

                if test -f tmp-sem.c1 ; then \

                        sed $sedscript < tmp-sem.c1 > tmp-sem.c ; \

                        ${rootdir}/move-if-change tmp-sem.c ${srcdir}/sem${suffix}.c ; \

                fi

                if test -f tmp-semsw.c1 ; then \

                        sed $sedscript < tmp-semsw.c1 > tmp-semsw.c ; \

                        ${rootdir}/move-if-change tmp-semsw.c ${srcdir}/sem${suffix}-switch.c ; \

                fi

                rm -f tmp-cpu.h1 tmp-cpu.c1

                rm -f tmp-ext.c1 tmp-read.c1 tmp-write.c1

                rm -f tmp-sem.c1 tmp-semsw.c1 tmp-mod.c1

                ;;

        esac

        case $action in

        *decode*)

                sed $sedscript < tmp-dec.h1 > tmp-dec.h

                ${rootdir}/move-if-change tmp-dec.h ${srcdir}/decode${suffix}.h

                sed $sedscript < tmp-dec.c1 > tmp-dec.c

                ${rootdir}/move-if-change tmp-dec.c ${srcdir}/decode${suffix}.c

                if test -f tmp-sem.c1 ; then \

                        sed $sedscript < tmp-sem.c1 > tmp-sem.c ; \

                        ${rootdir}/move-if-change tmp-sem.c ${srcdir}/sem${suffix}.c ; \

                fi

                if test -f tmp-semsw.c1 ; then \

                        sed $sedscript < tmp-semsw.c1 > tmp-semsw.c ; \

                        ${rootdir}/move-if-change tmp-semsw.c ${srcdir}/sem${suffix}-switch.c ; \

                fi

                rm -f tmp-dec.h1 tmp-dec.c1

                ;;

        esac

        ;;

defs)

        rm -f tmp-defs.h1 tmp-defs.h

        ${cgen} ${cgendir}/cgen-sim.scm \

                -s ${cgendir} \

                ${cgenflags} \

                -f "${archflags}" \

                -m ${mach} \

                -a ${archfile} \

                -i ${isa} \

                -G tmp-defs.h1

        sed $sedscript < tmp-defs.h1 > tmp-defs.h

        ${rootdir}/move-if-change tmp-defs.h ${srcdir}/defs${suffix}.h

        ;;

desc)

        rm -f tmp-desc.h1 tmp-desc.h

        rm -f tmp-desc.c1 tmp-desc.c

        rm -f tmp-opc.h1 tmp-opc.h

        ${cgen} ${cgendir}/cgen-opc.scm \

                -s ${cgendir} \

                ${cgenflags} \

                -OPC ${opcfile} \

                -f "${archflags}" \

                -m ${mach} \

                -a ${archfile} \

                -i ${isa} \

                -H tmp-desc.h1 \

                -C tmp-desc.c1 \

                -O tmp-opc.h1

        sed $sedscript < tmp-desc.h1 > tmp-desc.h

        ${rootdir}/move-if-change tmp-desc.h ${srcdir}/${arch}-desc.h

        sed $sedscript < tmp-desc.c1 > tmp-desc.c

        ${rootdir}/move-if-change tmp-desc.c ${srcdir}/${arch}-desc.c

        sed $sedscript < tmp-opc.h1 > tmp-opc.h

        ${rootdir}/move-if-change tmp-opc.h ${srcdir}/${arch}-opc.h

        rm -f tmp-desc.h1 tmp-desc.c1 tmp-opc.h1

        ;;

*)

        echo "`basename $0`: unknown action: ${action}" >&2

        exit 1

        ;;

esac

exit 0