patch-2.1.19 linux/arch/sparc64/prom/bootstr.c

• Lines: 25
• Date: Mon Dec 30 11:59:59 1996
• Orig file: v2.1.18/linux/arch/sparc64/prom/bootstr.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.18/linux/arch/sparc64/prom/bootstr.c linux/arch/sparc64/prom/bootstr.c
@@ -0,0 +1,24 @@
+/* $Id: bootstr.c,v 1.1 1996/12/27 08:49:10 jj Exp $
+ * bootstr.c:  Boot string/argument acquisition from the PROM.
+ *
+ * Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright(C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ */
+
+#include <linux/config.h>
+#include <linux/string.h>
+#include <asm/oplib.h>
+
+#define BARG_LEN  256
+static char barg_buf[BARG_LEN];
+static char fetched = 0;
+
+char *
+prom_getbootargs(void)
+{
+	/* This check saves us from a panic when bootfd patches args. */
+	if (fetched) return barg_buf;
+	prom_getstring(prom_finddevice ("/chosen"), "bootargs", barg_buf, BARG_LEN);
+	fetched = 1;
+	return barg_buf;
+}