LKM for socksys driver (iBCS2 emulation)

2 files changed, 88 insertions, 0 deletions

diff --git a/lkm/socksys/Makefile b/lkm/socksys/Makefile
new file mode 100644
index 0000000..de8b44c
--- /dev/null
+++ b/lkm/socksys/Makefile
@@ -0,0 +1,9 @@
+#	$Id$
+
+.PATH:	${.CURDIR}/../../sys/i386/ibcs2
+KMOD=	socksys_mod
+SRCS= 	socksys.c ibcs2_socksys.c
+NOMAN=
+CFLAGS+= -DLKM -I. -DCOMPAT_IBCS2
+
+.include <bsd.kmod.mk>
diff --git a/lkm/socksys/socksys.c b/lkm/socksys/socksys.c
new file mode 100644
index 0000000..3660695
--- /dev/null
+++ b/lkm/socksys/socksys.c
@@ -0,0 +1,79 @@
+/*-
+ * Copyright (c) 1994 Søren Schmidt
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer 
+ *    in this position and unchanged.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software withough specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *	$Id$
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/exec.h>
+#include <sys/conf.h>
+#include <sys/sysent.h>
+#include <sys/lkm.h>
+#include <sys/errno.h>
+
+/* typedefs from sys/i386/i386/conf.c */
+typedef int d_open_t __P((dev_t, int, int, struct proc *));
+typedef int d_close_t __P((dev_t, int, int, struct proc *));
+typedef int d_ioctl_t __P((dev_t, int, caddr_t, int, struct proc *));
+typedef int d_rdwr_t __P((dev_t, struct uio *, int));
+typedef int d_stop_t __P((struct tty *, int));
+typedef int d_reset_t __P((int));
+typedef int d_select_t __P((dev_t, int, struct proc *));
+typedef int d_mmap_t __P((/* XXX */));
+
+int sockopen();
+int sockclose();
+int sockioctl();
+
+struct cdevsw dev_socksys = { 
+	(d_open_t *)sockopen,	(d_close_t *)sockclose,	
+	(d_rdwr_t *)enodev,	(d_rdwr_t *)enodev,
+  	(d_ioctl_t *)sockioctl,	(d_stop_t *)enodev,
+	(d_reset_t *)nullop,	NULL,
+  	(d_select_t *)seltrue,	(d_mmap_t *)enodev,		
+	NULL
+};
+
+MOD_DEV("socksys_mod", LM_DT_CHAR, -1, (void *)&dev_socksys)
+
+socksys_load(struct lkm_table *lkmtp, int cmd)
+{
+	uprintf("socksys driver installed\n");
+	return 0;
+}
+
+socksys_unload(struct lkm_table *lkmtp, int cmd)
+{
+	uprintf("socksys driver removed\n");
+	return 0;
+}
+
+socksys_init(struct lkm_table *lkmtp, int cmd, int ver)
+{
+	DISPATCH(lkmtp, cmd, ver, socksys_load, socksys_unload, nosys);
+}