software/include/base: fix system.h for or1k

diff --git a/litex/soc/software/include/base/system.h b/litex/soc/software/include/base/system.h
index 014dbf47c63e2b823ca0fbeda16e733d458d3a27..2a0d0c2955414a405c2f6d63dff305d77a140a44 100644 (file)
--- a/litex/soc/software/include/base/system.h
+++ b/litex/soc/software/include/base/system.h
@@ -15,14 +15,14 @@ static inline unsigned long mfspr(unsigned long add)
 {
        unsigned long ret;
 
-       __asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add));
+       __asm__ __volatile__ ("l.mfspr %0,%1,0" : "=r" (ret) : "r" (add));
 
        return ret;
 }
 
 static inline void mtspr(unsigned long add, unsigned long val)
 {
-       __asm__ __volatile__ ("l.mtspr r0,%1,%0" : : "K" (add), "r" (val));
+       __asm__ __volatile__ ("l.mtspr %0,%1,0" : : "r" (add), "r" (val));
 }
 #endif