lif file device for tape, net, etc boot

1 files changed, 80 insertions, 0 deletions

diff --git a/sys/arch/hppa/stand/libsa/lf.c b/sys/arch/hppa/stand/libsa/lf.c
new file mode 100644
index 00000000000..af8c6e8ef6f
--- /dev/null
+++ b/sys/arch/hppa/stand/libsa/lf.c
@@ -0,0 +1,80 @@
+/*	$OpenBSD: lf.c,v 1.1 1998/07/30 15:59:32 mickey Exp $	*/
+
+/*
+ * Copyright (c) 1998 Michael Shalayeff
+ * 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.
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Michael Shalayeff.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without 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.
+ */
+
+#include "libsa.h"
+#include <machine/pdc.h>
+#include <machine/iomod.h>
+#include <machine/param.h>
+
+#include "dev_hppa.h"
+
+int
+#ifdef __STDC__
+lfopen(struct open_file *f, ...)
+#else
+lfopen(f, va_alist)
+	struct open_file *f;
+#endif
+{
+	extern dev_t bootdev;
+	struct hppa_dev *dp;
+	struct pz_device *pzd;
+
+	if (!(pzd = pdc_findev(-1, PCL_NET_MASK|PCL_SEQU)))
+		return ENXIO;
+
+	if (!(dp = alloc(sizeof(struct hppa_dev)))) {
+#ifdef	DEBUG
+		printf("lfopen: no mem\n");
+#endif
+		return ENODEV;
+	}
+
+	bzero (dp, sizeof (struct hppa_dev));
+	dp->pz_dev = pzd;
+	dp->bootdev = bootdev;
+	dp->last_blk = 0;
+	dp->last_read = 0;
+	f->f_devdata = dp;
+
+	return 0;
+}
+
+int
+lfclose(f)
+	struct open_file *f;
+{
+	free(f->f_devdata, sizeof(struct hppa_dev));
+	f->f_devdata = NULL;
+	return 0;
+}
+