linux-kernel - [PATCH 4/4] perf tools: Allow building for tile

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Date:	Thu, 6 Mar 2014 06:28:57 +0000
From:	Tony Lu <zlu@...era.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Chris Metcalf <cmetcalf@...era.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Tony Lu <zlu@...era.com>
Subject: [PATCH 4/4] perf tools: Allow building for tile

Tested by building perf:
- Cross-compiled for tile on x86_64
- Built natively on tile

Signed-off-by: Zhigang Lu <zlu@...era.com>
Signed-off-by: Chris Metcalf <cmetcalf@...era.com>
---
 tools/perf/config/Makefile.arch | 3 ++-
 tools/perf/perf.h               | 8 ++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/tools/perf/config/Makefile.arch b/tools/perf/config/Makefile.arch
index fef8ae9..4b06719 100644
--- a/tools/perf/config/Makefile.arch
+++ b/tools/perf/config/Makefile.arch
@@ -5,7 +5,8 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
                                   -e s/arm.*/arm/ -e s/sa110/arm/ \
                                   -e s/s390x/s390/ -e s/parisc64/parisc/ \
                                   -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-                                  -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
+                                  -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
+                                  -e s/tile.*/tile/ )
 
 # Additional ARCH settings for x86
 ifeq ($(ARCH),i386)
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index e84fa26..75caf68 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -139,6 +139,14 @@
 #define CPUINFO_PROC	"core ID"
 #endif
 
+#ifdef __tile__
+#define mb()		asm volatile ("mf" ::: "memory")
+#define wmb()		asm volatile ("mf" ::: "memory")
+#define rmb()		asm volatile ("mf" ::: "memory")
+#define cpu_relax()	asm volatile ("mfspr zero, PASS" ::: "memory")
+#define CPUINFO_PROC    "model name"
+#endif
+
 #define barrier() asm volatile ("" ::: "memory")
 
 #ifndef cpu_relax
-- 
1.8.3.1

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