83bbce59e6927941550b9e7cbed6aa33137405fd
1 /*
2 * Copyright (c) 2013, 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 /*
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_getId ========
48 */
49 UInt16 MultiProc_getId(String name)
50 {
51 Int i;
52 UInt16 id;
54 assert(name != NULL);
56 id = MultiProc_INVALIDID;
57 for (i = 0; i < _MultiProc_cfg.numProcessors; i++) {
58 if ((_MultiProc_cfg.nameList[i] != NULL) &&
59 (strcmp(name, _MultiProc_cfg.nameList[i]) == 0)) {
60 id = i;
61 }
62 }
63 return (id);
64 }
66 /*
67 * ======== MultiProc_getName ========
68 */
69 String MultiProc_getName(UInt16 id)
70 {
71 assert(id < _MultiProc_cfg.numProcessors);
73 return (_MultiProc_cfg.nameList[id]);
74 }
76 /*
77 * ======== MultiProc_getNumProcessors ========
78 */
79 UInt16 MultiProc_getNumProcessors()
80 {
81 return (_MultiProc_cfg.numProcessors);
82 }
85 /*
86 * ======== MultiProc_self ========
87 */
88 UInt16 MultiProc_self()
89 {
90 return (_MultiProc_cfg.id);
91 }
93 /*
94 * ======== MultiProc_setLocalId ========
95 */
96 Int MultiProc_setLocalId(UInt16 id)
97 {
98 /* id must be less than the number of processors */
99 assert(id < _MultiProc_cfg.numProcessors);
101 /*
102 * Check the following
103 * 1. Make sure the statically configured constant was invalid.
104 * To call setLocalId, the id must have been set to invalid.
105 * 2. Make sure the call is made before module startup
106 */
107 if ((_MultiProc_cfg.id == MultiProc_INVALIDID) /* &&
108 (Startup_rtsDone() == FALSE) */ ) {
109 /* It is ok to set the id */
110 _MultiProc_cfg.id = id;
111 return (MultiProc_S_SUCCESS);
112 }
114 return (MultiProc_E_FAIL);
115 }