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perf, MIPS: Support cross compiling of tools/perf for MIPS

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Changes:
 v4: Fix the cosmetic issue of redundant dot-ops
 v3: Change rmb() to use SYNC
 v2: Include mips unistd.h and define rmb()/cpu_relax() in tools/perf/perf.h

Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@gmail.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Deng-Cheng Zhu 2010-10-12 19:33:33 +08:00 committed by Ingo Molnar
parent ad0cf3478d
commit c1e028ef40
1 changed files with 12 additions and 0 deletions
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12
tools/perf/perf.h
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@ -73,6 +73,18 @@ void get_term_dimensions(struct winsize *ws);
#define cpu_relax() asm volatile("":::"memory") #define cpu_relax() asm volatile("":::"memory")
#endif #endif
#ifdef __mips__
#include "../../arch/mips/include/asm/unistd.h"
#define rmb() asm volatile( \
".set mips2\n\t" \
"sync\n\t" \
".set mips0" \
: /* no output */ \
: /* no input */ \
: "memory")
#define cpu_relax() asm volatile("" ::: "memory")
#endif
#include <time.h> #include <time.h>
#include <unistd.h> #include <unistd.h>
#include <sys/types.h> #include <sys/types.h>