* Contribute CGEN simulator build support code.

* Patch was posted by bje@redhat.com.

3 files changed, 232 insertions, 0 deletions

diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 3266d3a..35921dc 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,3 +1,7 @@
+2000-08-21  Frank Ch. Eigler  <fche@redhat.com>
+
+	* Make-common.in, cgen.sh: Contribute CGEN-related build targets/rules.
+
 2000-08-09  Andrew Cagney  <cagney@lulu.cygnus.com>
 
 	* dv-sockser.c (dv_sockser_init): Eliminate MIN macro.
diff --git a/sim/common/Make-common.in b/sim/common/Make-common.in
index 7c25d6c..4ee4acb 100644
--- a/sim/common/Make-common.in
+++ b/sim/common/Make-common.in
@@ -654,4 +654,56 @@ stamp-h: config.in config.status
 	CONFIG_FILES=$@:../common/gdbinit.in CONFIG_HEADERS= $(SHELL) ./config.status
 
 
+# CGEN support
+
+CGENDIR = @cgendir@
+CGEN = `if [ -f ../../guile/libguile/guile ]; then echo ../../guile/libguile/guile; else echo guile ; fi`
+CGENFLAGS = -v
+srccgen = $(CGENDIR)
+
+CGEN_READ_SCM = ../../cgen/stamp-cgen $(srccgen)/sim.scm
+CGEN_ARCH_SCM = $(srccgen)/sim-arch.scm
+CGEN_CPU_SCM = $(srccgen)/sim-cpu.scm $(srccgen)/sim-model.scm
+CGEN_DECODE_SCM = $(srccgen)/sim-decode.scm
+CGEN_DESC_SCM = $(srccgen)/desc.scm $(srccgen)/desc-cpu.scm
+
+# Various choices for which cpu specific files to generate.
+CGEN_CPU_EXTR = -E tmp-ext.c1
+CGEN_CPU_READ = -R tmp-read.c1
+CGEN_CPU_WRITE = -W tmp-write.c1
+CGEN_CPU_SEM = -S tmp-sem.c1
+CGEN_CPU_SEMSW = -X tmp-semsw.c1
+
+CGEN_FLAGS_TO_PASS = \
+	CGEN=$(CGEN) \
+	CGENFLAGS="$(CGENFLAGS)"
+
+# We store the generated files in the source directory until we decide to
+# ship a Scheme interpreter with gdb/binutils.  Maybe we never will.
+
+cgen-arch: force
+	$(SHELL) $(srccom)/cgen.sh arch $(srcdir) \
+		$(CGEN) $(CGENDIR) "$(CGENFLAGS)" \
+		$(arch) "$(FLAGS)" ignored $(mach) ignored ignored
+
+cgen-cpu: force
+	$(SHELL) $(srccom)/cgen.sh cpu $(srcdir) \
+		$(CGEN) $(CGENDIR) "$(CGENFLAGS)" \
+		$(arch) "$(FLAGS)" $(cpu) $(mach) "$(SUFFIX)" "$(EXTRAFILES)"
+
+cgen-decode: force
+	$(SHELL) $(srccom)/cgen.sh decode $(srcdir) \
+		$(CGEN) $(CGENDIR) "$(CGENFLAGS)" \
+		$(arch) "$(FLAGS)" $(cpu) $(mach) "$(SUFFIX)" ignored
+
+cgen-cpu-decode: force
+	$(SHELL) $(srccom)/cgen.sh cpu-decode $(srcdir) \
+		$(CGEN) $(CGENDIR) "$(CGENFLAGS)" \
+		$(arch) "$(FLAGS)" $(cpu) $(mach) "$(SUFFIX)" "$(EXTRAFILES)"
+
+cgen-desc: force
+	$(SHELL) $(srccom)/cgen.sh desc $(srcdir) \
+		$(CGEN) $(CGENDIR) "$(CGENFLAGS)" \
+		$(arch) "$(FLAGS)" $(cpu) $(mach) "$(SUFFIX)" ignored
+
 ## End COMMON_POST_CONFIG_FRAG
diff --git a/sim/common/cgen.sh b/sim/common/cgen.sh
new file mode 100644
index 0000000..5ee7db8
--- /dev/null
+++ b/sim/common/cgen.sh
@@ -0,0 +1,176 @@
+#! /bin/sh
+# Generate CGEN simulator files.
+#
+# Usage: /bin/sh cgen.sh {"arch"|"cpu"|"decode"|"cpu-decode"} srcdir \
+#	cgen cgendir cgenflags \
+#	arch archflags cpu mach suffix extrafiles
+#
+# 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
+mach=$9
+# bring parms past 9 portably into view
+shift ; suffix=$9
+shift ; extrafiles=$9
+
+rootdir=${srcdir}/../..
+
+lowercase='abcdefghijklmnopqrstuvwxyz'
+uppercase='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+ARCH=`echo ${arch} | tr "${lowercase}" "${uppercase}"`
+CPU=`echo ${cpu} | tr "${lowercase}" "${uppercase}"`
+
+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} -s ${cgendir}/cgen-sim.scm \
+		-s ${cgendir} \
+		${cgenflags} \
+		-f "${archflags}" \
+		-m ${mach} \
+		-a ${arch} \
+		-A tmp-arch.h1 \
+		-B tmp-arch.c1 \
+		-N tmp-all.h1
+	sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" < tmp-arch.h1 > tmp-arch.h
+	${rootdir}/move-if-change tmp-arch.h ${srcdir}/arch.h
+	sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" < tmp-arch.c1 > tmp-arch.c
+	${rootdir}/move-if-change tmp-arch.c ${srcdir}/arch.c
+	sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" < 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"
+		;;
+	esac
+
+	${cgen} -s ${cgendir}/cgen-sim.scm \
+		-s ${cgendir} \
+		${cgenflags} \
+		-f "${archflags}" \
+		-m ${mach} \
+		-a ${arch} \
+		${fileopts}
+
+	case $action in
+	*cpu*)
+		sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" -e "s/@CPU@/${CPU}/g" -e "s/@cpu@/${cpu}/g" < tmp-cpu.h1 > tmp-cpu.h
+		${rootdir}/move-if-change tmp-cpu.h ${srcdir}/cpu${suffix}.h
+		sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" -e "s/@CPU@/${CPU}/g" -e "s/@cpu@/${cpu}/g" < tmp-cpu.c1 > tmp-cpu.c
+		${rootdir}/move-if-change tmp-cpu.c ${srcdir}/cpu${suffix}.c
+		sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" -e "s/@CPU@/${CPU}/g" -e "s/@cpu@/${cpu}/g" < 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 -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" -e "s/@CPU@/${CPU}/g" -e "s/@cpu@/${cpu}/g" < 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 -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" -e "s/@CPU@/${CPU}/g" -e "s/@cpu@/${cpu}/g" < 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 -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" -e "s/@CPU@/${CPU}/g" -e "s/@cpu@/${cpu}/g" < 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 -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" -e "s/@CPU@/${CPU}/g" -e "s/@cpu@/${cpu}/g" < 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 -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" -e "s/@CPU@/${CPU}/g" -e "s/@cpu@/${cpu}/g" < 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 $action in
+	*decode*)
+		sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" -e "s/@CPU@/${CPU}/g" -e "s/@cpu@/${cpu}/g" < tmp-dec.h1 > tmp-dec.h
+		${rootdir}/move-if-change tmp-dec.h ${srcdir}/decode${suffix}.h
+		sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" -e "s/@CPU@/${CPU}/g" -e "s/@cpu@/${cpu}/g" < tmp-dec.c1 > tmp-dec.c
+		${rootdir}/move-if-change tmp-dec.c ${srcdir}/decode${suffix}.c
+
+		rm -f tmp-dec.h1 tmp-dec.c1
+		;;
+	esac
+
+	;;
+
+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} -s ${cgendir}/cgen-opc.scm \
+		-s ${cgendir} \
+		${cgenflags} \
+		-f "${archflags}" \
+		-m ${mach} \
+		-a ${arch} \
+		-H tmp-desc.h1 \
+		-C tmp-desc.c1 \
+		-O tmp-opc.h1
+	sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" < tmp-desc.h1 > tmp-desc.h
+	${rootdir}/move-if-change tmp-desc.h ${srcdir}/${arch}-desc.h
+	sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" \
+		-e "s/@prefix@/${arch}/" < tmp-desc.c1 > tmp-desc.c
+	${rootdir}/move-if-change tmp-desc.c ${srcdir}/${arch}-desc.c
+	sed -e "s/@ARCH@/${ARCH}/g" -e "s/@arch@/${arch}/g" < 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 "cgen.sh: bad action: ${action}" >&2
+	exit 1
+	;;
+
+esac
+
+exit 0