85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
/*
|
|
* Copyright (c) 2020-2020, Bluetrum Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2020/11/18 greedyhao Bluetrum RISC-V porting code.
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
#include <stdbool.h>
|
|
#include <rthw.h>
|
|
#include "ab32vgx.h"
|
|
|
|
uint32_t irq_mask;
|
|
void *tbl_irq_vector[IRQ_TOTAL_NUM];
|
|
void (*cpu_irq_comm_hook)(void);
|
|
|
|
void set_cpu_irq_comm(void (*irq_hook)(void))
|
|
{
|
|
cpu_irq_comm_hook = irq_hook;
|
|
}
|
|
|
|
void cpu_irq_comm_do(void)
|
|
{
|
|
void (*pfnct)(void);
|
|
uint32_t irq_pend = PICPND & irq_mask;
|
|
for (int i = 0; i < IRQ_TOTAL_NUM; i++) {
|
|
if (irq_pend & BIT(i)) {
|
|
pfnct = tbl_irq_vector[i];
|
|
if (pfnct) {
|
|
pfnct(); /* call ISR */
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void rt_hw_irq_enable(int vector)
|
|
{
|
|
if (vector < IRQ_TOTAL_NUM) {
|
|
PICEN |= BIT(vector);
|
|
}
|
|
}
|
|
|
|
void rt_hw_irq_disable(int vector)
|
|
{
|
|
if (vector < IRQ_TOTAL_NUM) {
|
|
PICEN &= ~BIT(vector);
|
|
}
|
|
}
|
|
|
|
void rt_hw_interrupt_init(void)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* @brief This function will install a interrupt service routine to a interrupt.
|
|
*
|
|
* @param vector
|
|
* @param handler
|
|
* @param param
|
|
* @param name
|
|
* @return rt_isr_handler_t
|
|
*/
|
|
rt_isr_handler_t rt_hw_interrupt_install(int vector,
|
|
rt_isr_handler_t handler,
|
|
void *param,
|
|
const char *name)
|
|
{
|
|
rt_isr_handler_t old_handler = RT_NULL;
|
|
|
|
if (vector < IRQ_TOTAL_NUM) {
|
|
uint32_t cpu_ie = PICCON & BIT(0);
|
|
PICCON &= ~BIT(0);
|
|
old_handler = tbl_irq_vector[vector];
|
|
tbl_irq_vector[vector] = handler;
|
|
irq_mask |= BIT(vector);
|
|
PICCON |= cpu_ie;
|
|
PICPR &= ~BIT(vector);
|
|
PICEN |= BIT(vector);
|
|
}
|
|
return old_handler;
|
|
}
|