1 /* 2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 * Description: UPG alloc memory functions source file 15 */ 16 17 #include <stddef.h> 18 #include <stdint.h> 19 #include "common_def.h" 20 #include "upg_common.h" 21 #include "upg_porting.h" 22 23 #include "upg_alloc.h" 24 upg_is_flash_addr(const void * addr)25STATIC bool upg_is_flash_addr(const void *addr) 26 { 27 uintptr_t start_addr = upg_get_flash_base_addr(); 28 uintptr_t end_addr = start_addr + upg_get_flash_size(); 29 if (start_addr <= (uintptr_t)(addr) && (uintptr_t)(addr) < end_addr) { 30 return true; 31 } 32 return false; 33 } 34 upg_malloc(uint32_t size)35void *upg_malloc(uint32_t size) 36 { 37 if (upg_get_func_list()->malloc != NULL) { 38 return upg_get_func_list()->malloc(size); 39 } 40 return NULL; 41 } 42 upg_free(void * addr)43void upg_free(void *addr) 44 { 45 if (addr == NULL || upg_is_flash_addr(addr)) { /* 使用总线方式直接读取时，flash地址不需要释放 */ 46 return; 47 } 48 if (upg_get_func_list()->free != NULL) { 49 return upg_get_func_list()->free(addr); 50 } 51 return; 52 } 53