X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Farch%2Fppc.h;h=1784ccdfe4aed8663e9706dc99e3ff0833f509eb;hb=c23069c6cf733ed8a39e64300c264285f658ae23;hp=95393ea0be0ee89b888c64ad53322e41e30631c8;hpb=e51500edbd9919cee53bc85cbb4b22cd4786fc42;p=urcu.git

diff --git a/urcu/arch/ppc.h b/urcu/arch/ppc.h
index 95393ea..1784ccd 100644
--- a/urcu/arch/ppc.h
+++ b/urcu/arch/ppc.h
@@ -24,6 +24,7 @@
 
 #include <urcu/compiler.h>
 #include <urcu/config.h>
+#include <urcu/syscall-compat.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -58,6 +59,7 @@ extern "C" {
 #define cmm_smp_wmb()    __asm__ __volatile__ (LWSYNC_OPCODE:::"memory")
 
 #define mftbl()						\
+	__extension__					\
 	({ 						\
 		unsigned long rval;			\
 		__asm__ __volatile__ ("mftbl %0" : "=r" (rval));	\
@@ -65,6 +67,7 @@ extern "C" {
 	})
 
 #define mftbu()						\
+	__extension__					\
 	({						\
 		unsigned long rval;			\
 		__asm__ __volatile__ ("mftbu %0" : "=r" (rval));	\
@@ -72,6 +75,7 @@ extern "C" {
 	})
 
 #define mftb()						\
+	__extension__					\
 	({						\
 		unsigned long long rval;		\
 		__asm__ __volatile__ ("mftb %0" : "=r" (rval));		\
@@ -101,6 +105,14 @@ static inline cycles_t caa_get_cycles(void)
 }
 #endif
 
+/*
+ * Define the membarrier system call number if not yet available in the
+ * system headers.
+ */
+#ifndef __NR_membarrier
+#define __NR_membarrier		365
+#endif
+
 #ifdef __cplusplus 
 }
 #endif