1 /* 2 * Copyright (c) 2010, 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 /* 34 * @file timm_osal_memory.c 35 * This file contains methods that provides the functionality 36 * for allocating/deallocating memory. 37 * 38 * @path \ 39 * 40 */ 41 /* -------------------------------------------------------------------------- */ 42 /* ========================================================================= 43 *! 44 *! Revision History 45 *! =================================== 46 *!23-Oct-2008 Maiya ShreeHarsha: Linux specific changes 47 *!0.1: Created the first draft version, ksrini (at) ti.com 48 * ========================================================================= */ 49 50 /****************************************************************************** 51 * Includes 52 ******************************************************************************/ 53 54 #include <string.h> 55 #include <malloc.h> 56 57 #ifdef __KERNEL__ 58 #include <linux/types.h> 59 #else 60 #include <stdint.h> 61 #endif 62 63 64 #include "timm_osal_types.h" 65 #include "timm_osal_trace.h" 66 #include "timm_osal_error.h" 67 #include "timm_osal_memory.h" 68 69 70 71 static TIMM_OSAL_U32 gMallocCounter = 0; 72 73 /****************************************************************************** 74 * Function Prototypes 75 ******************************************************************************/ 76 77 /* ========================================================================== */ 78 /** 79 * @fn TIMM_OSAL_createMemoryPool function 80 * 81 * @see 82 */ 83 /* ========================================================================== */ 84 TIMM_OSAL_ERRORTYPE TIMM_OSAL_CreateMemoryPool(void) 85 { 86 TIMM_OSAL_ERRORTYPE bReturnStatus = TIMM_OSAL_ERR_NONE; 87 return bReturnStatus; 88 } 89 90 91 92 /* ========================================================================== */ 93 /** 94 * @fn TIMM_OSAL_DeleteMemoryPool function 95 * 96 * @see 97 */ 98 /* ========================================================================== */ 99 100 TIMM_OSAL_ERRORTYPE TIMM_OSAL_DeleteMemoryPool(void) 101 { 102 TIMM_OSAL_ERRORTYPE bReturnStatus = TIMM_OSAL_ERR_NONE; 103 return bReturnStatus; 104 105 } 106 107 108 109 /* ========================================================================== */ 110 /** 111 * @fn TIMM_OSAL_Malloc function 112 * 113 * @see 114 */ 115 /* ========================================================================== */ 116 TIMM_OSAL_PTR TIMM_OSAL_Malloc(TIMM_OSAL_U32 size, 117 TIMM_OSAL_BOOL bBlockContiguous, 118 TIMM_OSAL_U32 unBlockAlignment, TIMMOSAL_MEM_SEGMENTID tMemSegId) 119 { 120 121 TIMM_OSAL_PTR pData = TIMM_OSAL_NULL; 122 123 #ifdef HAVE_MEMALIGN 124 if (0 == unBlockAlignment) 125 { 126 pData = malloc((size_t) size); 127 } else 128 { 129 pData = memalign((size_t) unBlockAlignment, (size_t) size); 130 } 131 #else 132 if (0 != unBlockAlignment) 133 { 134 TIMM_OSAL_Warning 135 ("Memory Allocation:Not done for specified nBufferAlignment. Alignment of 0 will be used"); 136 137 } 138 pData = malloc((size_t) size); /*size_t is long long */ 139 #endif 140 if (TIMM_OSAL_NULL == pData) 141 { 142 TIMM_OSAL_Error("Malloc failed!!!"); 143 } else 144 { 145 /* Memory Allocation was successfull */ 146 gMallocCounter++; 147 } 148 149 150 return pData; 151 } 152 153 /* ========================================================================== */ 154 /** 155 * @fn TIMM_OSAL_Free function .... 156 * 157 * @see 158 */ 159 /* ========================================================================== */ 160 161 void TIMM_OSAL_Free(TIMM_OSAL_PTR pData) 162 { 163 if (TIMM_OSAL_NULL == pData) 164 { 165 /*TIMM_OSAL_Warning("TIMM_OSAL_Free called on NULL pointer"); */ 166 goto EXIT; 167 } 168 169 free(pData); 170 pData = NULL; 171 gMallocCounter--; 172 EXIT: 173 return; 174 } 175 176 /* ========================================================================== */ 177 /** 178 * @fn TIMM_OSAL_Memset function .... 179 * 180 * @see 181 */ 182 /* ========================================================================== */ 183 184 TIMM_OSAL_ERRORTYPE TIMM_OSAL_Memset(TIMM_OSAL_PTR pBuffer, 185 TIMM_OSAL_U8 uValue, TIMM_OSAL_U32 uSize) 186 { 187 TIMM_OSAL_ERRORTYPE bReturnStatus = TIMM_OSAL_ERR_UNKNOWN; 188 189 memset((void *)pBuffer, (int)uValue, (size_t) uSize); 190 bReturnStatus = TIMM_OSAL_ERR_NONE; 191 192 return bReturnStatus; 193 } 194 195 /* ========================================================================== */ 196 /** 197 * @fn TIMM_OSAL_Memcmp function .... 198 * 199 * @see 200 */ 201 /* ========================================================================== */ 202 203 TIMM_OSAL_S32 TIMM_OSAL_Memcmp(TIMM_OSAL_PTR pBuffer1, TIMM_OSAL_PTR pBuffer2, 204 TIMM_OSAL_U32 uSize) 205 { 206 TIMM_OSAL_S32 result = memcmp(pBuffer1, pBuffer2, uSize); 207 208 if (result > 0) 209 { 210 return 1; 211 } else if (result < 0) 212 { 213 return -1; 214 } 215 216 return 0; 217 } 218 219 /* ========================================================================== */ 220 /** 221 * @fn TIMM_OSAL_Memcpy function .... 222 * 223 * @see 224 */ 225 /* ========================================================================== */ 226 227 TIMM_OSAL_ERRORTYPE TIMM_OSAL_Memcpy(TIMM_OSAL_PTR pBufDst, 228 TIMM_OSAL_PTR pBufSrc, TIMM_OSAL_U32 uSize) 229 { 230 TIMM_OSAL_ERRORTYPE bReturnStatus = TIMM_OSAL_ERR_UNKNOWN; 231 232 memcpy(pBufDst, pBufSrc, uSize); 233 bReturnStatus = TIMM_OSAL_ERR_NONE; 234 235 return bReturnStatus; 236 } 237 238 /* ========================================================================== */ 239 /** 240 * @fn TIMM_OSAL_GetMemCounter function .... 241 * 242 * @see 243 */ 244 /* ========================================================================== */ 245 246 TIMM_OSAL_U32 TIMM_OSAL_GetMemCounter(void) 247 { 248 249 return gMallocCounter; 250 } 251
