From: David Hunt <david.hunt@intel.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2 2/6] eal/arm: add 64-bit armv8 version of rte_prefetch.h
Date: Fri, 30 Oct 2015 11:51:22 +0000 [thread overview]
Message-ID: <1446205886-23823-3-git-send-email-david.hunt@intel.com> (raw)
In-Reply-To: <1446205886-23823-1-git-send-email-david.hunt@intel.com>
Signed-off-by: David Hunt <david.hunt@intel.com>
---
.../common/include/arch/arm/rte_prefetch.h | 4 ++
.../common/include/arch/arm/rte_prefetch_64.h | 61 ++++++++++++++++++++++
2 files changed, 65 insertions(+)
create mode 100644 lib/librte_eal/common/include/arch/arm/rte_prefetch_64.h
diff --git a/lib/librte_eal/common/include/arch/arm/rte_prefetch.h b/lib/librte_eal/common/include/arch/arm/rte_prefetch.h
index 1f46697..aa37de5 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_prefetch.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_prefetch.h
@@ -33,6 +33,10 @@
#ifndef _RTE_PREFETCH_ARM_H_
#define _RTE_PREFETCH_ARM_H_
+#ifdef RTE_ARCH_64
+#include <rte_prefetch_64.h>
+#else
#include <rte_prefetch_32.h>
+#endif
#endif /* _RTE_PREFETCH_ARM_H_ */
diff --git a/lib/librte_eal/common/include/arch/arm/rte_prefetch_64.h b/lib/librte_eal/common/include/arch/arm/rte_prefetch_64.h
new file mode 100644
index 0000000..b0d9170
--- /dev/null
+++ b/lib/librte_eal/common/include/arch/arm/rte_prefetch_64.h
@@ -0,0 +1,61 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 Intel Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _RTE_PREFETCH_ARM_64_H_
+#define _RTE_PREFETCH_ARM_64_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "generic/rte_prefetch.h"
+/* May want to add PSTL1KEEP instructions for prefetch for ownership. */
+static inline void rte_prefetch0(const volatile void *p)
+{
+ asm volatile ("PRFM PLDL1KEEP, [%0]" : : "r" (p));
+}
+
+static inline void rte_prefetch1(const volatile void *p)
+{
+ asm volatile ("PRFM PLDL2KEEP, [%0]" : : "r" (p));
+}
+
+static inline void rte_prefetch2(const volatile void *p)
+{
+ asm volatile ("PRFM PLDL3KEEP, [%0]" : : "r" (p));
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_PREFETCH_ARM_64_H_ */
--
1.9.1
next prev parent reply other threads:[~2015-10-30 11:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-30 11:51 [dpdk-dev] [PATCH v2 0/6] ARMv8 additions to ARMv7 support David Hunt
2015-10-30 11:51 ` [dpdk-dev] [PATCH v2 1/6] eal/arm: add 64-bit armv8 version of rte_memcpy.h David Hunt
2015-10-30 11:51 ` David Hunt [this message]
2015-10-30 11:51 ` [dpdk-dev] [PATCH v2 3/6] eal/arm: add 64-bit armv8 version of rte_cycles.h David Hunt
2015-10-30 12:44 ` Jan Viktorin
2015-10-30 13:18 ` Hunt, David
2015-10-30 11:51 ` [dpdk-dev] [PATCH v2 4/6] eal/arm: fix 64-bit armv8 compilation of rte_cpuflags.h David Hunt
2015-10-30 12:46 ` Jan Viktorin
2015-10-30 11:51 ` [dpdk-dev] [PATCH v2 5/6] mk: add support for armv8 on top of armv7 David Hunt
2015-10-30 12:49 ` Jan Viktorin
2015-10-30 11:51 ` [dpdk-dev] [PATCH v2 6/6] test: add checks for cpu flags on armv8 David Hunt
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