diff --git a/include/common/inline.h b/include/common/inline.h
index 400aa78..a50f5c6 100644
--- a/include/common/inline.h
+++ b/include/common/inline.h
@@ -6,45 +6,58 @@
 # error "Only include common_imp.h or common_header.h!"
 #endif
 
-static inline s32 pspMax(s32 a, s32 b)
+static volatile inline s32 pspMax(s32 a, s32 b)
 {
     s32 ret;
     asm("max %0, %1, %2" : "=r" (ret) : "r" (a), "r" (b));
     return ret;
 }
 
-static inline s32 pspMin(s32 a, s32 b)
+static volatile inline s32 pspMin(s32 a, s32 b)
 {
     s32 ret;
     asm("min %0, %1, %2" : "=r" (ret) : "r" (a), "r" (b));
     return ret;
 }
 
-static inline void pspSync(void)
+static volatile inline void pspSync(void)
 {
     asm("sync");
 }
 
-static inline void pspCache(char op, const void *ptr)
+static volatile inline void pspCache(char op, const void *ptr)
 {
     asm("cache %0, 0(%1)" : : "ri" (op), "r" (ptr));
 }
 
-static inline void pspBreak(s32 op)
+static volatile inline void pspBreak(s32 op)
 {
     asm("break %0" : : "ri" (op));
 }
 
-static inline void pspHalt(void)
+static volatile inline void pspHalt(void)
 {
     /* The 'HALT' instruction */
     asm(".word 0x70000000");
 }
 
-static inline s32 pspMfic(void)
+static volatile inline s32 pspMfic(void)
 {
     s32 ret;
     asm("mfic %0, $0" : "=r" (ret));
     return ret;
 }
 
+static volatile inline s32 pspLl(s32 *ptr)
+{
+    s32 ret;
+    asm ("ll %0, (%1)" : "=r" (ret) : "r" (ptr));
+    return ret;
+}
+
+static volatile inline s32 pspSc(s32 value, s32 *ptr)
+{
+    s32 ret = value;
+    asm ("sc %0, (%1)" : "=r" (ret) : "r" (ptr));
+    return ret;
+}