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: hw模块内部头文件。 14 */ 15 #ifndef PRT_HW_TICK_INTERNAL_H 16 #define PRT_HW_TICK_INTERNAL_H 17 18 #include "prt_lib_external.h" 19 #include "prt_sys_external.h" 20 #include "prt_tick_external.h" 21 22 /* 系统当前运行的时间，单位cycle */ 23 extern U64 g_cycleNow; 24 /* 在tick中记录的系统当前cycle值 */ 25 extern U64 g_cycleInTick; 26 /* 系统当前运行的时间，时间是g_cyclePerTick的整数倍 */ 27 extern U64 g_cycleByTickNow; 28 29 /* 30 * 模块内宏定义 31 */ 32 #define OS_SYSTICK_CONTROL_COUNTFLAG_MSK (1U << 16) 33 #define OS_SYSTICK_CONTROL_REG 0xE000E010 34 #define OS_SYSTICK_RELOAD_REG 0xE000E014 35 #define OS_SYSTICK_CURRENT_REG 0xE000E018 36 37 /* 38 * 模块间函数声明 39 */ 40 extern void OsCycleUpdate(void); 41 42 #endif /* PRT_HW_TICK_INTERNAL_H */ 43