diff mbox

[API-NEXT,PATCHv3,12/18] linux-generic: drv: adding align.h

Message ID 1469102786-65530-13-git-send-email-christophe.milard@linaro.org
State New
Headers show

Commit Message

Christophe Milard July 21, 2016, 12:06 p.m. UTC 
Based on API interface file.

Signed-off-by: Christophe Milard <christophe.milard@linaro.org>

---
 include/odp_drv.h                              |  1 +
 platform/linux-generic/Makefile.am             |  1 +
 platform/linux-generic/include/odp/drv/align.h | 60 ++++++++++++++++++++++++++
 3 files changed, 62 insertions(+)
 create mode 100644 platform/linux-generic/include/odp/drv/align.h

-- 
2.7.4
diff mbox

Patch

diff --git a/include/odp_drv.h b/include/odp_drv.h
index e2c3bda..6d2f7ff 100644
--- a/include/odp_drv.h
+++ b/include/odp_drv.h
@@ -18,6 +18,7 @@ 
 extern C {
 #endif
 
+#include <odp/drv/align.h>
 #include <odp/drv/byteorder.h>
 #include <odp/drv/compiler.h>
 #include <odp/drv/std_types.h>
diff --git a/platform/linux-generic/Makefile.am b/platform/linux-generic/Makefile.am
index 68db647..20b4b29 100644
--- a/platform/linux-generic/Makefile.am
+++ b/platform/linux-generic/Makefile.am
@@ -93,6 +93,7 @@  odpapiplatinclude_HEADERS = \
 
 odpdrvincludedir = $(includedir)/odp/drv
 odpdrvinclude_HEADERS = \
+		  $(srcdir)/include/odp/drv/align.h \
 		  $(srcdir)/include/odp/drv/byteorder.h \
 		  $(srcdir)/include/odp/drv/compiler.h \
 		  $(srcdir)/include/odp/drv/std_types.h \
diff --git a/platform/linux-generic/include/odp/drv/align.h b/platform/linux-generic/include/odp/drv/align.h
new file mode 100644
index 0000000..eded2e3
--- /dev/null
+++ b/platform/linux-generic/include/odp/drv/align.h
@@ -0,0 +1,60 @@ 
+/* Copyright (c) 2016, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ */
+
+/**
+ * @file
+ *
+ * ODPDRV alignments
+ */
+
+#ifndef ODPDRV_PLAT_ALIGN_H_
+#define ODPDRV_PLAT_ALIGN_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @ingroup odpdrv_compiler_optim
+ *  @{
+ */
+
+#ifdef __GNUC__
+
+#define ODPDRV_ALIGNED(x) __attribute__((__aligned__(x)))
+
+#define ODPDRV_PACKED __attribute__((__packed__))
+
+#define ODPDRV_OFFSETOF(type, member) __builtin_offsetof(type, member)
+
+#define ODPDRV_FIELD_SIZEOF(type, member) sizeof(((type *)0)->member)
+
+#if defined __arm__ || defined __aarch64__
+
+#define ODPDRV_CACHE_LINE_SIZE 64
+
+#endif
+
+#else
+#error Non-gcc compatible compiler
+#endif
+
+#define ODPDRV_PAGE_SIZE       4096
+
+#define ODPDRV_ALIGNED_CACHE   ODPDRV_ALIGNED(ODPDRV_CACHE_LINE_SIZE)
+
+#define ODPDRV_ALIGNED_PAGE    ODPDRV_ALIGNED(ODPDRV_PAGE_SIZE)
+
+/**
+ * @}
+ */
+
+#include <odp/drv/spec/align.h>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif