X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fboot%2Freg.h;h=9c2c9978e0eb2f2043166604a56f6d30ae743354;hb=f0936155f2204720655aefbc2f17c25a2c80a59e;hp=d3cd9ee98afb9fe1e6aeaaa8ea758db23230b523;hpb=40caf5ea5a7d47f8a33e26b63ca81dea4b5109d2;p=deliverable%2Flinux.git

diff --git a/arch/powerpc/boot/reg.h b/arch/powerpc/boot/reg.h
index d3cd9ee98afb..9c2c9978e0eb 100644
--- a/arch/powerpc/boot/reg.h
+++ b/arch/powerpc/boot/reg.h
@@ -16,6 +16,14 @@ static inline u32 mfpvr(void)
 	return pvr;
 }
 
+#define __stringify_1(x)	#x
+#define __stringify(x)		__stringify_1(x)
+
+#define mfspr(rn)	({unsigned long rval; \
+			asm volatile("mfspr %0," __stringify(rn) \
+				: "=r" (rval)); rval; })
+#define mtspr(rn, v)	asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
+
 register void *__stack_pointer asm("r1");
 #define get_sp()	(__stack_pointer)