powerpc: Add ppc_global_function_entry()

[karo-tx-linux.git] / arch / powerpc / include / asm / code-patching.h

diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h
index 37991e154ef88faf50b7b8b447c1772877a253bf..840a5509b3f19b37f5dd1d92f43718c568d49453 100644 (file)
--- a/arch/powerpc/include/asm/code-patching.h
+++ b/arch/powerpc/include/asm/code-patching.h
@@ -88,4 +88,15 @@ static inline unsigned long ppc_function_entry(void *func)
 #endif
 }
 
+static inline unsigned long ppc_global_function_entry(void *func)
+{
+#if defined(CONFIG_PPC64) && defined(_CALL_ELF) && _CALL_ELF == 2
+       /* PPC64 ABIv2 the global entry point is at the address */
+       return (unsigned long)func;
+#else
+       /* All other cases there is no change vs ppc_function_entry() */
+       return ppc_function_entry(func);
+#endif
+}
+
 #endif /* _ASM_POWERPC_CODE_PATCHING_H */