Initial import of mvmeppc.

1 files changed, 121 insertions, 0 deletions

diff --git a/sys/arch/mvmeppc/stand/libsa/parse_args.c b/sys/arch/mvmeppc/stand/libsa/parse_args.c
new file mode 100644
index 00000000000..86cb34bbf39
--- /dev/null
+++ b/sys/arch/mvmeppc/stand/libsa/parse_args.c
@@ -0,0 +1,121 @@
+/*	$OpenBSD: parse_args.c,v 1.1 2001/06/26 21:58:07 smurph Exp $ */
+
+/*-
+ * Copyright (c) 1995 Theo de Raadt
+ * 
+ * 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 under OpenBSD by
+ *	Theo de Raadt for Willowglen Singapore.
+ * 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 <sys/param.h>
+#include <sys/reboot.h>
+#include <machine/prom.h>
+#include <a.out.h>
+
+#include "stand.h"
+#include "libsa.h"
+
+#define KERNEL_NAME "bsd"
+#define RB_NOSYM 0x400
+
+#define	RB_AUTOBOOT	0	/* flags for system auto-booting itself */
+
+#if 0
+#define	RB_ASKNAME	0x0001	/* ask for file name to reboot from */
+#define	RB_SINGLE	0x0002	/* reboot to single user only */
+#define	RB_NOSYNC	0x0004	/* dont sync before reboot */
+#define	RB_HALT		0x0008	/* don't reboot, just halt */
+#define	RB_INITNAME	0x0010	/* name given for /etc/init (unused) */
+#define	RB_DFLTROOT	0x0020	/* use compiled-in rootdev */
+#define	RB_KDB		0x0040	/* give control to kernel debugger */
+#define	RB_RDONLY	0x0080	/* mount root fs read-only */
+#define	RB_DUMP		0x0100	/* dump kernel memory before reboot */
+#define	RB_MINIROOT	0x0200	/* mini-root present in memory at boot time */
+#define	RB_CONFIG	0x0400	/* change configured devices */
+#define	RB_TIMEBAD	0x0800	/* don't call resettodr() in boot() */
+#define	RB_POWERDOWN	0x1000	/* attempt to power down machine */
+#define	RB_SERCONS	0x2000	/* use serial console if available */
+#endif 
+
+struct flags {
+	char c;
+	short bit;
+} bf[] = {
+	{ 'a', RB_ASKNAME }, /* ask root */
+	{ 'b', RB_HALT },
+	{ 'c', RB_CONFIG },
+	{ 'd', RB_KDB },
+	{ 'e', 0x4000 },  /* spin slave cpus  */
+	{ 'f', 0x0010 },  /* ask kernel name  */
+	{ 'm', RB_MINIROOT },
+	{ 'r', RB_DFLTROOT },
+	{ 's', RB_SINGLE },
+	{ 'x', 0x8000 },  /* extra boot debug */
+	{ 'y', RB_NOSYM },
+};
+
+int
+parse_args(filep, flagp)
+
+char **filep;
+int *flagp;
+
+{
+	char *name = KERNEL_NAME, *ptr;
+	int i, howto = 0;
+	char c;
+
+	if (bugargs.arg_start != bugargs.arg_end) {
+		ptr = bugargs.arg_start;
+		while (c = *ptr) {
+			while (c == ' ')
+				c = *++ptr;
+			if (c == '\0')
+				return (0);
+			if (c != '-') {
+				name = ptr;
+				while ((c = *++ptr) && c != ' ')
+					;
+				if (c)
+					*ptr++ = 0;
+				continue;
+			}
+			while ((c = *++ptr) && c != ' ') {
+				if (c == 'q')
+					return (1);
+				for (i = 0; i < sizeof(bf)/sizeof(bf[0]); i++)
+					if (bf[i].c == c) {
+						howto |= bf[i].bit;
+					}
+			}
+		}
+	}
+	*flagp = howto;
+	*filep = name;
+	return (0);
+}