pasdk/common/paf_heapMgr.c

   1
   2 /*
   3 Copyright (c) 2017, Texas Instruments Incorporated - http://www.ti.com/
   4 All rights reserved.
   5
   6 * Redistribution and use in source and binary forms, with or without
   7 * modification, are permitted provided that the following conditions
   8 * are met:
   9 *
  10 * Redistributions of source code must retain the above copyright
  11 * notice, this list of conditions and the following disclaimer.
  12 *
  13 * Redistributions in binary form must reproduce the above copyright
  14 * notice, this list of conditions and the following disclaimer in the
  15 * documentation and/or other materials provided with the
  16 * distribution.
  17 *
  18 * Neither the name of Texas Instruments Incorporated nor the names of
  19 * its contributors may be used to endorse or promote products derived
  20 * from this software without specific prior written permission.
  21 *
  22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33 *
  34 */
  35
  36 #include <xdc/std.h>
  37 #include <xdc/runtime/IHeap.h>
  38
  39 #include "paf_heapMgr.h"
  40
  41 Int gPafHeapIdInt             = PAF_HEAP_ID_INT;                // L2 SRAM
  42 Int gPafHeapIdInt1            = PAF_HEAP_ID_INT1;               // MSMC SRAM
  43 Int gPafHeapIdExt             = PAF_HEAP_ID_EXT;                // DDR3
  44 Int gPafHeapIdInt1Shm         = PAF_HEAP_ID_INT1_SHM;           // MSMC SRAM, Shared
  45 Int gPafHeapIdExtShm          = PAF_HEAP_ID_EXT_SHM;            // DDR3, Shared
  46 Int gPafHeapIdExtNonCachedShm = PAF_HEAP_ID_EXT_NON_CACHED_SHM; // DDR3 non-cached, Shared
  47
  48 // heap handle array
  49 //static IHeap_Handle gHeapIdToHandle[PAF_NUM_HEAPS] =
  50 IHeap_Handle gHeapIdToHandle[PAF_NUM_HEAPS] =
  51 {
  52     NULL,
  53     NULL,
  54     NULL,
  55     NULL,
  56     NULL,
  57     NULL
  58 };
  59
  60 /* Initialize PAF heap manager */
  61 Void pafHeapMgr_init(
  62     IHeap_Handle hIntHeap,
  63     IHeap_Handle hIntHeap1,
  64     IHeap_Handle hExtHeap,
  65     IHeap_Handle hIntHeap1Shm,
  66     IHeap_Handle hExtHeapShm,
  67     IHeap_Handle hExtHeapNonCachedShm
  68 )
  69 {
  70     gHeapIdToHandle[PAF_HEAP_ID_INT]                = hIntHeap;
  71     gHeapIdToHandle[PAF_HEAP_ID_INT1]               = hIntHeap1;
  72     gHeapIdToHandle[PAF_HEAP_ID_EXT]                = hExtHeap;
  73     gHeapIdToHandle[PAF_HEAP_ID_INT1_SHM]           = hIntHeap1Shm;
  74     gHeapIdToHandle[PAF_HEAP_ID_EXT_SHM]            = hExtHeapShm;
  75     gHeapIdToHandle[PAF_HEAP_ID_EXT_NON_CACHED_SHM] = hExtHeapNonCachedShm;
  76 }
  77
  78 /* Write heap handle to PAF heap manager for provided index */
  79 Void pafHeapMgr_writeHeapHandle(
  80     Int heapId,
  81     IHeap_Handle hHeap
  82 )
  83 {
  84     if (heapId < PAF_NUM_HEAPS)
  85     {
  86         gHeapIdToHandle[heapId] = hHeap;
  87     }
  88 }
  89
  90 /* Read heap handle from PAF heap manager for provided index */
  91 IHeap_Handle pafHeapMgr_readHeapHandle(
  92     Int heapId
  93 )
  94 {
  95     IHeap_Handle hHeap;
  96
  97     if (heapId < PAF_NUM_HEAPS)
  98     {
  99         hHeap = gHeapIdToHandle[heapId];
 100     }
 101     else
 102     {
 103         hHeap = NULL;
 104     }
 105
 106     return hHeap;
 107 }