Emulator KLD for SysVR4 executables grabbed from NetBSD.

See http://www.freebsd.org/~newton/freebsd-svr4 for limitations,
capabilities, history and TO-DO list.

3 files changed, 63 insertions, 0 deletions

diff --git a/sys/modules/svr4/Makefile b/sys/modules/svr4/Makefile
new file mode 100644
index 0000000..9c12712
--- /dev/null
+++ b/sys/modules/svr4/Makefile
@@ -0,0 +1,51 @@
+#	$Id$
+
+.PATH:	${.CURDIR}/../../i386/svr4 ${.CURDIR}/../../svr4
+KMOD=	svr4
+SRCS=	svr4_sysent.c svr4_sysvec.c opt_compat.h opt_vmpage.h vnode_if.h \
+	imgact_svr4.c svr4_signal.c svr4_fcntl.c svr4_misc.c svr4_ioctl.c \
+	svr4_stat.c svr4_filio.c svr4_ttold.c svr4_termios.c svr4_stream.c \
+	svr4_socket.c svr4_sockio.c svr4_machdep.c svr4_resource.c \
+	svr4_ipc.c
+OBJS=	svr4_locore.o 
+NOMAN=1
+MAN8=	svr4.8
+CFLAGS+= -DKERNEL
+
+CFLAGS+= -DCOMPAT_SVR4
+.if defined(DEBUG)
+CFLAGS+= -DDEBUG_SVR4
+.endif
+
+EXPORT_SYMS=_svr4_mod
+CLEANFILES+= vnode_if.h vnode_if.c svr4_genassym.o svr4_genassym \
+	svr4_assym.h opt_compat.h opt_vmpage.h .depend
+
+build-tools: svr4_genassym
+
+svr4_assym.h:	svr4_genassym
+	./svr4_genassym > svr4_assym.h
+
+svr4_locore.o:	svr4_locore.s svr4_assym.h
+	${CC} -c -x assembler-with-cpp -DLOCORE -DKERNEL ${CFLAGS} \
+		${.IMPSRC} -o ${.TARGET}
+
+svr4_genassym.o:	svr4_genassym.c svr4.h @ machine
+	${CC} -c ${CFLAGS} -UKERNEL ${.IMPSRC}
+
+svr4_genassym:	svr4_genassym.o
+	${CC} ${CFLAGS} ${.ALLSRC} -o ${.TARGET}
+
+svr4_sysvec.o: opt_vmpage.h opt_compat.h
+
+opt_compat.h:
+	echo "#define COMPAT_43 1" > opt_compat.h
+
+opt_vmpage.h:
+	touch opt_vmpage.h
+
+afterinstall:
+	${INSTALL} -c -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
+		${.CURDIR}/svr4.sh ${DESTDIR}/usr/bin/svr4
+
+.include <bsd.kmod.mk>
diff --git a/sys/modules/svr4/hello b/sys/modules/svr4/hello
new file mode 100755
index 0000000..923c45b
--- /dev/null
+++ b/sys/modules/svr4/hello
diff --git a/sys/modules/svr4/svr4.sh b/sys/modules/svr4/svr4.sh
new file mode 100644
index 0000000..1d8e694
--- /dev/null
+++ b/sys/modules/svr4/svr4.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# $Id$
+
+FOUND=`kldstat -v | egrep 'svr4elf'`
+
+if [ "x$FOUND" != x ] ; then           
+	echo SysVR4 driver already loaded
+	exit 1
+else    
+	kldload svr4
+fi