1 files changed, 75 insertions, 0 deletions
diff --git a/hifi/xaf/hifi-dpf/include/sys/xt-shmem/xf-sys.h b/hifi/xaf/hifi-dpf/include/sys/xt-shmem/xf-sys.h
new file mode 100644
index 00000000..b82c10eb
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+++ b/hifi/xaf/hifi-dpf/include/sys/xt-shmem/xf-sys.h
@@ -0,0 +1,75 @@
+/*******************************************************************************
+* Copyright (C) 2018 Cadence Design Systems, Inc.
+* 
+* Permission is hereby granted, free of charge, to any person obtaining
+* a copy of this software and associated documentation files (the
+* "Software"), to use this Software with Cadence processor cores only and 
+* not with any other processors and platforms, subject to
+* the following conditions:
+* 
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+******************************************************************************/
+
+/*******************************************************************************
+ * xf-sys.h
+ *
+ * Definitions for Xtensa SHMEM configuration
+ *
+ *******************************************************************************/
+
+#ifndef __XF_H
+#error "xf-sys.h mustn't be included directly"
+#endif
+
+/*******************************************************************************
+ * Standard system includes
+ ******************************************************************************/
+
+/* ...from directory ./board-BOARDNAME */
+#include "xf-board.h"
+
+/*******************************************************************************
+ * Global abstractions
+ ******************************************************************************/
+
+/* ...prevent instructions reordering */
+#define barrier()                           \
+    __asm__ __volatile__("": : : "memory")
+
+/* ...memory barrier */
+#define XF_PROXY_BARRIER()                  \
+    __asm__ __volatile__("memw": : : "memory")
+
+/* ...memory invalidation */
+#define XF_PROXY_INVALIDATE(buf, length)    \
+    ({ if ((length)) { xthal_dcache_region_invalidate((buf), (length)); barrier(); } buf; })
+
+/* ...memory flushing */
+#define XF_PROXY_FLUSH(buf, length)         \
+    ({ if ((length)) { barrier(); xthal_dcache_region_writeback((buf), (length)); XF_PROXY_BARRIER(); } buf; })
+
+/*******************************************************************************
+ * Core-specific data accessor
+ ******************************************************************************/
+
+/* ...per-core execution data */
+extern xf_core_data_t   xf_core_data[XF_CFG_CORES_NUM];
+
+/* ...local memory accessor */
+#define XF_CORE_DATA(core)      (&xf_core_data[core])
+
+/*******************************************************************************
+ * Inter-processor communication and shared memory interface definition
+ ******************************************************************************/
+
+#include "xf-ipc.h"