xiuos/Ubiquitous/XiZi_IIoT/arch/risc-v/ch32v307vct6/tick.c

39 lines
1.2 KiB
C

/*
* 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 <xs_ktick.h>
#include <xs_isr.h>
#include <xs_assign.h>
#include "ch32v30x.h"
#include "ch32v30x_it.h"
#include "core_riscv.h"
extern void KTaskOsAssignAfterIrq(void *);
void SysTick_Handler(void) __attribute__((interrupt()));
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();
}