api: clib: added standard c library api

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 <petri.savolainen@nokia.com>
Reviewed-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>

Conflicts:
	platform/linux-generic/Makefile.am

5 files changed, 97 insertions, 0 deletions

diff --git a/include/odp.h b/include/odp.h
index da57da824..2adcb8b74 100644
--- a/include/odp.h
+++ b/include/odp.h
@@ -57,6 +57,7 @@ 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 000000000..2119ec481
--- /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/Makefile.inc b/platform/Makefile.inc
index 86c46508e..ef9724baa 100644
--- a/platform/Makefile.inc
+++ b/platform/Makefile.inc
@@ -48,6 +48,7 @@ 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/Makefile.am b/platform/linux-generic/Makefile.am
index 451b96e96..806419359 100644
--- a/platform/linux-generic/Makefile.am
+++ b/platform/linux-generic/Makefile.am
@@ -42,6 +42,7 @@ 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 \
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 000000000..c939c48e9
--- /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