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authorPaul Mundt <lethal@linux-sh.org>2009-06-25 14:41:57 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-06-25 14:41:57 +0900
commitfebe8345353e8873e43f2c2c9792d062c770b22b (patch)
treea5c6e9f9e4a132febd6c6c92cc3f5974c865cdc9
parent163b2f0ba93e9298b3d5fff2337d860c3872ec60 (diff)
perf_counter tools: add cpu_relax()/rmb() definitions for sh.
Simple cpu_relax()/rmb() stubs that perf needs, which were inadvertently omitted from the sh HAVE_PERF_COUNTERS patch. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--tools/perf/perf.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index ceb68aa51f7..f735b6924a2 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -19,6 +19,16 @@
#define cpu_relax() asm volatile("" ::: "memory");
#endif
+#ifdef __sh__
+#include "../../arch/sh/include/asm/unistd.h"
+#if defined(__SH4A__) || defined(__SH5__)
+# define rmb() asm volatile("synco" ::: "memory")
+#else
+# define rmb() asm volatile("" ::: "memory")
+#endif
+#define cpu_relax() asm volatile("" ::: "memory")
+#endif
+
#include <time.h>
#include <unistd.h>
#include <sys/types.h>