1 files changed, 22 insertions, 0 deletions

diff --git a/arch/powerpc/boot/reg.h b/arch/powerpc/boot/reg.h
new file mode 100644
index 000000000000..d3cd9ee98afb
--- /dev/null
+++ b/arch/powerpc/boot/reg.h
@@ -0,0 +1,22 @@
+#ifndef _PPC_BOOT_REG_H
+#define _PPC_BOOT_REG_H
+/*
+ * Copyright 2007 Davud Gibson, IBM Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+static inline u32 mfpvr(void)
+{
+        u32 pvr;
+        asm volatile ("mfpvr    %0" : "=r"(pvr));
+        return pvr;
+}
+
+register void *__stack_pointer asm("r1");
+#define get_sp()        (__stack_pointer)
+
+#endif  /* _PPC_BOOT_REG_H */