1 /*
2 * Copyright (c) 2013-2015 Texas Instruments Incorporated - http://www.ti.com
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 /*
33 * ======== MultiProc.c ========
34 *
35 * Implementation of functions to access processor IDs configured on BIOS side.
36 */
38 #include <ti/ipc/Std.h>
40 #include <assert.h>
41 #include <string.h>
43 #include <ti/ipc/MultiProc.h>
44 #include <_MultiProc.h>
46 /*
47 * ======== MultiProc_getBaseIdOfCluster ========
48 */
49 UInt16 MultiProc_getBaseIdOfCluster()
50 {
51 return (_MultiProc_cfg.baseIdOfCluster);
52 }
54 /*
55 * ======== MultiProc_getId ========
56 */
57 UInt16 MultiProc_getId(String name)
58 {
59 Int i;
60 UInt16 id;
62 assert(name != NULL);
64 id = MultiProc_INVALIDID;
65 for (i = 0; i < _MultiProc_cfg.numProcsInCluster; i++) {
66 if ((_MultiProc_cfg.nameList[i] != NULL) &&
67 (strcmp(name, _MultiProc_cfg.nameList[i]) == 0)) {
68 id = _MultiProc_cfg.baseIdOfCluster + i;
69 }
70 }
71 return (id);
72 }
74 /*
75 * ======== MultiProc_getName ========
76 */
77 String MultiProc_getName(UInt16 id)
78 {
79 assert(id < _MultiProc_cfg.numProcessors);
81 return (_MultiProc_cfg.nameList[id - _MultiProc_cfg.baseIdOfCluster]);
82 }
84 /*
85 * ======== MultiProc_getNumProcessors ========
86 */
87 UInt16 MultiProc_getNumProcessors()
88 {
89 return (_MultiProc_cfg.numProcessors);
90 }
92 /*
93 * ======== MultiProc_getNumProcsInCluster ========
94 */
95 UInt16 MultiProc_getNumProcsInCluster()
96 {
97 return (_MultiProc_cfg.numProcsInCluster);
98 }
100 /*
101 * ======== MultiProc_self ========
102 */
103 UInt16 MultiProc_self()
104 {
105 return (_MultiProc_cfg.id);
106 }
108 /*
109 * ======== MultiProc_setLocalId ========
110 */
111 Int MultiProc_setLocalId(UInt16 id)
112 {
113 /* id must be less than the number of processors */
114 assert(id < _MultiProc_cfg.numProcessors);
116 /*
117 * Check the following
118 * 1. Make sure the statically configured constant was invalid.
119 * To call setLocalId, the id must have been set to invalid.
120 * 2. Make sure the call is made before module startup
121 */
122 if ((_MultiProc_cfg.id == MultiProc_INVALIDID) /* &&
123 (Startup_rtsDone() == FALSE) */ ) {
124 /* It is ok to set the id */
125 _MultiProc_cfg.id = id;
126 return (MultiProc_S_SUCCESS);
127 }
129 return (MultiProc_E_FAIL);
130 }