oprofile: add AArch64 support
(From OE-Core rev: 169b9afcf2d357fdcf254a380d21d17701685834) Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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From 27edaef9c6d66dfc324630ef40cb27e78031eeeb Mon Sep 17 00:00:00 2001
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From: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
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Date: Tue, 15 Jan 2013 07:37:33 +0100
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Subject: [PATCH] Add rmb() definition for AArch64 architecture
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Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
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Upstream-status: backport
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---
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libperf_events/operf_utils.h | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/libperf_events/operf_utils.h b/libperf_events/operf_utils.h
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index 815d51d..2df00b7 100644
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--- a/libperf_events/operf_utils.h
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+++ b/libperf_events/operf_utils.h
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@@ -148,6 +148,11 @@ void op_release_resources(void);
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#define cpu_relax() asm volatile("":::"memory")
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#endif
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+#ifdef __aarch64__
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+#define rmb() asm volatile("dmb ld" ::: "memory")
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+#define cpu_relax() asm volatile("yield" ::: "memory")
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+#endif
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+
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#ifdef __mips__
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#include <asm/unistd.h>
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#define rmb() asm volatile( \
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--
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1.8.0
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@ -2,7 +2,8 @@ require oprofile.inc
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PR = "${INC_PR}.0"
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SRC_URI += "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}-${PV}.tar.gz"
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SRC_URI += "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}-${PV}.tar.gz \
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file://0001-Add-rmb-definition-for-AArch64-architecture.patch"
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SRC_URI[md5sum] = "6d127023af1dd1cf24e15411229f3cc8"
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SRC_URI[sha256sum] = "ab45900fa1a23e5d5badf3c0a55f26c17efe6e184efcf00b371433751fa761bc"
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