1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16/**
17*************************************************************************
18 * @file   M4PSW_MemoryInterface.c
19 * @brief  Memory Interface
20 * @note   Implementation of the osal memory functions
21 *************************************************************************
22*/
23
24#include <stdlib.h>
25#include <memory.h>
26
27#include <time.h>
28#include "M4OSA_Memory.h"
29#ifndef M4VPS_ADVANCED_MEMORY_MANAGER
30/**
31 ************************************************************************
32 * @fn         M4OSA_MemAddr32 M4OSA_32bitAlignedMalloc(M4OSA_UInt32 size,
33 *                                          M4OSA_CoreID coreID,
34 *                                          M4OSA_Char* string)
35 * @brief      this function allocates a memory block (at least 32 bits aligned)
36 * @note
37 * @param      size (IN): size of allocated block in bytes
38 * @param      coreID (IN): identification of the caller component
39 * @param      string (IN): description of the allocated block (null terminated)
40 * @return     address of the allocated block, M4OSA_NULL if no memory available
41 ************************************************************************
42*/
43
44M4OSA_MemAddr32 M4OSA_32bitAlignedMalloc(M4OSA_UInt32 size,
45                             M4OSA_CoreID coreID,
46                             M4OSA_Char* string)
47{
48    M4OSA_MemAddr32 Address = M4OSA_NULL;
49
50    /**
51     * If size is 0, malloc on WIN OS allocates a zero-length item in
52     * the heap and returns a valid pointer to that item.
53     * On other platforms, malloc could returns an invalid pointer
54     * So, DON'T allocate memory of 0 byte */
55    if (size == 0)
56    {
57        return Address;
58    }
59
60    if (size%4 != 0)
61    {
62        size = size + 4 - (size%4);
63    }
64
65    Address = (M4OSA_MemAddr32) malloc(size);
66
67    return Address;
68}
69
70#endif
71
72