[processor-sdk/big-data-ipc-examples.git] / host_linux / simple_buffer_example / shared / bigdataxlat / bigdataxlat.c
1 /*
2 * Copyright (c) 2017, Texas Instruments Incorporated
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * * Neither the name of Texas Instruments Incorporated nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 #include <_bigdataxlat.h>
34 Int bigDataXlatetoGlobalAndSync(UInt16 regionId,
35 bigDataLocalDesc_t *localDesc,
36 bigDataSharedDesc_t *SharedDesc) {
38 if (localDesc->localPtr == NULL)
39 return -1;
41 /* Cache write back data buffer */
42 if (SharedRegion_isCacheEnabled(regionId)) {
43 Cache_wb(localDesc->localPtr, localDesc->size, Cache_Type_ALL, TRUE);
44 }
46 /* Translate Address to Shared address */
47 SharedDesc->sharedPtr = SharedRegion_getSRPtr(localDesc->localPtr, regionId);
48 SharedDesc->size = localDesc->size;
49 return(0);
50 }
52 Int bigDataXlatetoLocalAndSync(UInt16 regionId,
53 bigDataSharedDesc_t *SharedDesc,
54 bigDataLocalDesc_t *localDesc) {
56 if (SharedDesc->sharedPtr == 0)
57 return -1;
59 /* Translate to local address */
60 localDesc->localPtr = SharedRegion_getPtr(SharedDesc->sharedPtr);
61 localDesc->size = SharedDesc->size;
63 /* If shared region is configured for cache enabled do cache operation */
64 if (SharedRegion_isCacheEnabled(regionId)) {
65 Cache_inv(localDesc->localPtr,
66 localDesc->size, Cache_Type_ALL, TRUE);
67 }
69 return(0);
70 }