blob: f54ade2933734d72e85517e47f2ed9d5d09b8558 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-09-09 WCH the first version
* 2023-01-04 WangShun Remove redundant files
*/
#if defined (SOC_RISCV_SERIES_CH32V1)
#include "ch32v10x.h"
#elif defined (SOC_RISCV_SERIES_CH32V2)
#include "ch32v20x.h"
#elif defined (SOC_RISCV_SERIES_CH32V3)
#include "ch32v30x.h"
#else
#error "CH32 architecture doesn't support!"
#endif
/*
* trigger soft interrupt
*/
void sw_setpend(void)
{
/*CH32V103 does not support systick software interrupt*/
#if defined(SOC_RISCV_SERIES_CH32V1)
NVIC_SetPendingIRQ(Software_IRQn);
#else
SysTick->CTLR |= (1 << 31);
#endif
}
/*
* clear soft interrupt
*/
void sw_clearpend(void)
{
/*CH32V103 does not support systick software interrupt*/
#if defined(SOC_RISCV_SERIES_CH32V1)
NVIC_ClearPendingIRQ(Software_IRQn);
#else
SysTick->CTLR &= ~(1 << 31);
#endif
}
/*
* disable interrupt and save mstatus
*/
rt_weak rt_base_t rt_hw_interrupt_disable(void)
{
rt_base_t value=0;
#if defined(SOC_RISCV_SERIES_CH32V3)
asm("csrrw %0, mstatus, %1":"=r"(value):"r"(0x7800));
#else
asm("csrrw %0, mstatus, %1":"=r"(value):"r"(0x1800));
#endif
return value;
}
/*
* enable interrupt and resume mstatus
*/
rt_weak void rt_hw_interrupt_enable(rt_base_t level)
{
asm("csrw mstatus, %0": :"r"(level));
}
|
