1 files changed, 13 insertions, 0 deletions
diff --git a/include/ppc4xx.h b/include/ppc4xx.h
index 59a3b06..e216663 100644
--- a/include/ppc4xx.h
+++ b/include/ppc4xx.h
@@ -203,6 +203,19 @@ typedef struct
 	unsigned long pllPlbDiv;
 } PPC4xx_SYS_INFO;
 
+static inline u32 get_mcsr(void)
+{
+	u32 val;
+
+	asm volatile("mfspr %0, 0x23c" : "=r" (val) :);
+	return val;
+}
+
+static inline void set_mcsr(u32 val)
+{
+	asm volatile("mtspr 0x23c, %0" : "=r" (val) :);
+}
+
 #endif	/* __ASSEMBLY__ */
 
 #endif	/* __PPC4XX_H__ */