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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>
hifive-unleashed-5.1
Paul Mundt 2009-06-25 14:41:57 +09:00
parent 163b2f0ba9
commit febe834535
1 changed files with 10 additions and 0 deletions
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10
tools/perf/perf.h
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@ -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>