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 44 M4OSA_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
