1 /* 2 * Copyright (c) 2009-2022 Huawei Technologies Co., Ltd. All rights reserved. 3 * 4 * UniProton is licensed under Mulan PSL v2. 5 * You can use this software according to the terms and conditions of the Mulan PSL v2. 6 * You may obtain a copy of Mulan PSL v2 at: 7 * http://license.coscl.org.cn/MulanPSL2 8 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, 9 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, 10 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. 11 * See the Mulan PSL v2 for more details. 12 * Create: 2009-12-22 13 * Description: tick后处理调度文件。 14 */ 15 #include "prt_sys_external.h" 16 OsTickBh(void)17OS_SEC_ALW_INLINE INLINE void OsTickBh(void) 18 { 19 uintptr_t intSave; 20 21 while (TICK_NO_RESPOND_CNT > 0) { 22 TICK_NO_RESPOND_CNT--; 23 UNI_FLAG |= OS_FLG_TICK_ACTIVE; 24 25 /* 整个调度过程中就是关中断的 */ 26 intSave = PRT_HwiUnLock(); 27 28 /* 如果tick未初始化，TICK_NO_RESPOND_CNT=0，故不会进入此处，调用tick后处理 */ 29 g_tickDispatcher(); 30 31 PRT_HwiRestore(intSave); 32 UNI_FLAG &= ~OS_FLG_TICK_ACTIVE; 33 } 34 } 35 OsViDispatch(void)36OS_SEC_TEXT void OsViDispatch(void) 37 { 38 /* tick 后处理的调度 */ 39 if ((UNI_FLAG & OS_FLG_TICK_ACTIVE) != 0) { 40 return; 41 } 42 43 OsTickBh(); 44 } 45