1 files changed, 82 insertions, 0 deletions
diff --git a/i386/i386/loose_ends.c b/i386/i386/loose_ends.c
new file mode 100644
index 00000000..6a10adc3
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+++ b/i386/i386/loose_ends.c
@@ -0,0 +1,82 @@
+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ */
+#include <mach_assert.h>
+
+
+	/*
+	 * For now we will always go to single user mode, since there is
+	 * no way pass this request through the boot.
+	 */
+int boothowto = 0;
+
+	/*
+	 * Should be rewritten in asm anyway.
+	 */
+/* 
+ * ovbcopy - like bcopy, but recognizes overlapping ranges and handles 
+ *           them correctly.
+ */
+ovbcopy(from, to, bytes)
+	char *from, *to;
+	int bytes;			/* num bytes to copy */
+{
+	/* Assume that bcopy copies left-to-right (low addr first). */
+	if (from + bytes <= to || to + bytes <= from || to == from)
+		bcopy(from, to, bytes);	/* non-overlapping or no-op*/
+	else if (from > to)
+		bcopy(from, to, bytes);	/* overlapping but OK */
+	else {
+		/* to > from: overlapping, and must copy right-to-left. */
+		from += bytes - 1;
+		to += bytes - 1;
+		while (bytes-- > 0)
+			*to-- = *from--;
+	}
+}
+
+/* Someone with time should write code to set cpuspeed automagically */
+int cpuspeed = 4;
+#define	DELAY(n)	{ register int N = cpuspeed * (n); while (--N > 0); }
+delay(n)
+{
+	DELAY(n);
+}
+
+#if	MACH_ASSERT
+
+/*
+ * Machine-dependent routine to fill in an array with up to callstack_max
+ * levels of return pc information.
+ */
+void machine_callstack(
+	unsigned long	*buf,
+	int		callstack_max)
+{
+}
+
+#endif	/* MACH_ASSERT */