diff --git a/include/asm-mips/sim.h b/include/asm-mips/sim.h
new file mode 100644
index 0000000..6333169
--- /dev/null
+++ b/include/asm-mips/sim.h
@@ -0,0 +1,83 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1999, 2000, 2003 Ralf Baechle
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_SIM_H
+#define _ASM_SIM_H
+
+#include <linux/config.h>
+
+#include <asm/offset.h>
+
+#define __str2(x) #x
+#define __str(x) __str2(x)
+
+#ifdef CONFIG_MIPS32
+
+#define save_static_function(symbol)					\
+__asm__ (								\
+	".text\n\t"							\
+	".globl\t" #symbol "\n\t"					\
+	".align\t2\n\t"							\
+	".type\t" #symbol ", @function\n\t"				\
+	".ent\t" #symbol ", 0\n"					\
+	#symbol":\n\t"							\
+	".frame\t$29, 0, $31\n\t"					\
+	"sw\t$16,"__str(PT_R16)"($29)\t\t\t# save_static_function\n\t"	\
+	"sw\t$17,"__str(PT_R17)"($29)\n\t"				\
+	"sw\t$18,"__str(PT_R18)"($29)\n\t"				\
+	"sw\t$19,"__str(PT_R19)"($29)\n\t"				\
+	"sw\t$20,"__str(PT_R20)"($29)\n\t"				\
+	"sw\t$21,"__str(PT_R21)"($29)\n\t"				\
+	"sw\t$22,"__str(PT_R22)"($29)\n\t"				\
+	"sw\t$23,"__str(PT_R23)"($29)\n\t"				\
+	"sw\t$30,"__str(PT_R30)"($29)\n\t"				\
+	"j\t_" #symbol "\n\t"						\
+	".end\t" #symbol "\n\t"						\
+	".size\t" #symbol",. - " #symbol)
+
+#define nabi_no_regargs
+
+#endif /* CONFIG_MIPS32 */
+
+#ifdef CONFIG_MIPS64
+
+#define save_static_function(symbol)					\
+__asm__ (								\
+	".text\n\t"							\
+	".globl\t" #symbol "\n\t"					\
+	".align\t2\n\t"							\
+	".type\t" #symbol ", @function\n\t"				\
+	".ent\t" #symbol ", 0\n"					\
+	#symbol":\n\t"							\
+	".frame\t$29, 0, $31\n\t"					\
+	"sd\t$16,"__str(PT_R16)"($29)\t\t\t# save_static_function\n\t"	\
+	"sd\t$17,"__str(PT_R17)"($29)\n\t"				\
+	"sd\t$18,"__str(PT_R18)"($29)\n\t"				\
+	"sd\t$19,"__str(PT_R19)"($29)\n\t"				\
+	"sd\t$20,"__str(PT_R20)"($29)\n\t"				\
+	"sd\t$21,"__str(PT_R21)"($29)\n\t"				\
+	"sd\t$22,"__str(PT_R22)"($29)\n\t"				\
+	"sd\t$23,"__str(PT_R23)"($29)\n\t"				\
+	"sd\t$30,"__str(PT_R30)"($29)\n\t"				\
+	"j\t_" #symbol "\n\t"						\
+	".end\t" #symbol "\n\t"						\
+	".size\t" #symbol",. - " #symbol)
+
+#define nabi_no_regargs							\
+	unsigned long __dummy0,						\
+	unsigned long __dummy1,						\
+	unsigned long __dummy2,						\
+	unsigned long __dummy3,						\
+	unsigned long __dummy4,						\
+	unsigned long __dummy5,						\
+	unsigned long __dummy6,						\
+	unsigned long __dummy7,
+
+#endif /* CONFIG_MIPS64 */
+
+#endif /* _ASM_SIM_H */