-----Original Message-----
From: EXT Jerin Jacob [mailto:[email protected]]
Sent: Monday, October 19, 2015 1:35 PM
To: Savolainen, Petri (Nokia - FI/Espoo)
Cc: [email protected]
Subject: Re: [lng-odp] [API-NEXT PATCH] api: clib: added standard c library
api
On Fri, Oct 16, 2015 at 03:13:48PM +0300, Petri Savolainen wrote:
Some C library calls are often used in data plane code. This
API enables possibility to HW optimized implementation of those.
Added first memcpy and memset.
Signed-off-by: Petri Savolainen <[email protected]>
Reviewed-by: Jerin Jacob <[email protected]>
---
include/odp.h | 1 +
include/odp/api/std_clib.h | 64
+++++++++++++++++++++++++++
platform/linux-generic/Makefile.am | 2 +
platform/linux-generic/include/odp/std_clib.h | 30 +++++++++++++
4 files changed, 97 insertions(+)
create mode 100644 include/odp/api/std_clib.h
create mode 100644 platform/linux-generic/include/odp/std_clib.h
diff --git a/include/odp.h b/include/odp.h
index 825c7e1..f2cd2d3 100644
--- a/include/odp.h
+++ b/include/odp.h
@@ -56,6 +56,7 @@ extern "C" {
#include <odp/thrmask.h>
#include <odp/spinlock_recursive.h>
#include <odp/rwlock_recursive.h>
+#include <odp/std_clib.h>
#ifdef __cplusplus
}
diff --git a/include/odp/api/std_clib.h b/include/odp/api/std_clib.h
new file mode 100644
index 0000000..2119ec4
--- /dev/null
+++ b/include/odp/api/std_clib.h
@@ -0,0 +1,64 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/**
+ * @file
+ *
+ * ODP version of often used C library calls
+ */
+
+#ifndef ODP_API_STD_CLIB_H_
+#define ODP_API_STD_CLIB_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup odp_std_clib ODP STD CLIB
+ * @details
+ * ODP version of often used C library calls
+ * @{
+ */
+
+/**
+ * Memcpy
+ *
+ * ODP version of C library memcpy function. It copies 'num' bytes from
source
+ * to destination address. Source and destination memory blocks must not
+ * overlap.
+ *
+ * @param dst Pointer to destination memory block
+ * @param src Pointer to source memory block
+ * @param num Number of bytes to copy
+ *
+ * @return 'dst' address
+ */
+void *odp_memcpy(void *dst, const void *src, size_t num);
+
+/**
+ * Memset
+ *
+ * ODP version of C library memset function. It sets 'value' to first
'num'
+ * bytes of memory block pointed by 'ptr'.
+ *
+ * @param ptr Pointer to the memory block
+ * @param value Value to be set
+ * @param num Number of bytes to set
+ *
+ * @return 'ptr' address
+ */
+void *odp_memset(void *ptr, int value, size_t num);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/platform/linux-generic/Makefile.am b/platform/linux-
generic/Makefile.am
index 85c976d..fc202cc 100644
--- a/platform/linux-generic/Makefile.am
+++ b/platform/linux-generic/Makefile.am
@@ -41,6 +41,7 @@ odpinclude_HEADERS = \
$(srcdir)/include/odp/shared_memory.h \
$(srcdir)/include/odp/spinlock.h \
$(srcdir)/include/odp/spinlock_recursive.h \
+ $(srcdir)/include/odp/std_clib.h \
$(srcdir)/include/odp/std_types.h \
$(srcdir)/include/odp/sync.h \
$(srcdir)/include/odp/system_info.h \
@@ -108,6 +109,7 @@ odpapiinclude_HEADERS = \
$(top_srcdir)/include/odp/api/shared_memory.h \
$(top_srcdir)/include/odp/api/spinlock.h \
$(top_srcdir)/include/odp/api/spinlock_recursive.h \
+ $(top_srcdir)/include/odp/api/std_clib.h \
$(top_srcdir)/include/odp/api/std_types.h \
$(top_srcdir)/include/odp/api/sync.h \
$(top_srcdir)/include/odp/api/system_info.h \
diff --git a/platform/linux-generic/include/odp/std_clib.h
b/platform/linux-generic/include/odp/std_clib.h
new file mode 100644
index 0000000..c939c48
--- /dev/null
+++ b/platform/linux-generic/include/odp/std_clib.h
@@ -0,0 +1,30 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef ODP_PLAT_STD_CLIB_H_
+#define ODP_PLAT_STD_CLIB_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <odp/api/std_types.h>
+
+static inline void *odp_memcpy(void *dst, const void *src, size_t num)
+{
+ return memcpy(dst, src, num);
+}
+
+static inline void *odp_memset(void *ptr, int value, size_t num)
+{
+ return memset(ptr, value, num);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--
2.6.0
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