/* * Copyright (c) 2020 AIIT XUOS Lab * XiUOS is licensed under Mulan PSL v2. * You can use this software according to the terms and conditions of the Mulan PSL v2. * You may obtain a copy of Mulan PSL v2 at: * http://license.coscl.org.cn/MulanPSL2 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. * See the Mulan PSL v2 for more details. */ #include #include #include #include "ch32v30x.h" #include "ch32v30x_it.h" #include "core_riscv.h" extern void KTaskOsAssignAfterIrq(void *); void SysTick_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast"))); void SysTick_Handler(void) { GET_INT_SP(); /* enter interrupt */ x_base level; level = DisableLocalInterrupt(); isrManager.done->incCounter(); EnableLocalInterrupt(level); SysTick->SR = 0; TickAndTaskTimesliceUpdate(); KTaskOsAssignAfterIrq(NONE); /* leave interrupt */ level = DisableLocalInterrupt(); isrManager.done->decCounter(); EnableLocalInterrupt(level); FREE_INT_SP(); }