1 files changed, 126 insertions, 0 deletions
diff --git a/sys/arm/arm/bootconfig.c b/sys/arm/arm/bootconfig.c
new file mode 100644
index 0000000..02892c4
--- /dev/null
+++ b/sys/arm/arm/bootconfig.c
@@ -0,0 +1,126 @@
+/*	$NetBSD: bootconfig.c,v 1.2 2002/03/10 19:56:39 lukem Exp $	*/
+
+/*
+ * Copyright (c) 1994-1998 Mark Brinicombe.
+ * Copyright (c) 1994 Brini.
+ * All rights reserved.
+ *
+ * This code is derived from software written for Brini by Mark Brinicombe
+ *
+ * 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 Mark Brinicombe
+ *	for the NetBSD Project.
+ * 4. The name of the company nor the name of the author may 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 OR CONTRIBUTORS 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/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+
+#include <sys/systm.h>
+
+#include <machine/bootconfig.h>
+
+
+/* 
+ * Function to identify and process different types of boot argument
+ */
+
+int
+get_bootconf_option(opts, opt, type, result)
+	char *opts;
+	char *opt;
+	int type;
+	void *result;
+{
+	char *ptr;
+	char *optstart;
+	int not;
+
+	ptr = opts;
+
+	while (*ptr) {
+		/* Find start of option */
+		while (*ptr == ' ' || *ptr == '\t')
+			++ptr;
+
+		if (*ptr == 0)
+			break;
+
+		not = 0;
+
+		/* Is it a negate option */
+		if ((type & BOOTOPT_TYPE_MASK) == BOOTOPT_TYPE_BOOLEAN && *ptr == '!') {
+			not = 1;
+			++ptr;
+		}
+
+		/* Find the end of option */
+		optstart = ptr;
+		while (*ptr != 0 && *ptr != ' ' && *ptr != '\t' && *ptr != '=')
+			++ptr;
+
+		if ((*ptr == '=')
+		    || (*ptr != '=' && ((type & BOOTOPT_TYPE_MASK) == BOOTOPT_TYPE_BOOLEAN))) {
+			/* compare the option */
+			if (strncmp(optstart, opt, (ptr - optstart)) == 0) {
+				/* found */
+
+				if (*ptr == '=')
+					++ptr;
+
+				switch(type & BOOTOPT_TYPE_MASK) {
+				case BOOTOPT_TYPE_BOOLEAN :
+					if (*(ptr - 1) == '=')
+						*((int *)result) = ((u_int)strtoul(ptr, NULL, 10) != 0);
+					else
+						*((int *)result) = !not;
+					break;
+				case BOOTOPT_TYPE_STRING :
+					*((char **)result) = ptr;
+					break;			
+				case BOOTOPT_TYPE_INT :
+					*((int *)result) = (u_int)strtoul(ptr, NULL, 10);
+					break;
+				case BOOTOPT_TYPE_BININT :
+					*((int *)result) = (u_int)strtoul(ptr, NULL, 2);
+					break;
+				case BOOTOPT_TYPE_HEXINT :
+					*((int *)result) = (u_int)strtoul(ptr, NULL, 16);
+					break;
+				default:
+					return(0);
+				}
+				return(1);
+			}
+		}
+		/* skip to next option */
+		while (*ptr != ' ' && *ptr != '\t' && *ptr != 0)
+			++ptr;
+	}
+	return(0);
+}