75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
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/*
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* File : interrupt.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2013-2018, RT-Thread Development Team
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*
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include "interrupt.h"
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#include "intc.h"
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#include "icu_pub.h"
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#include "drv_model_pub.h"
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extern rt_uint32_t rt_interrupt_nest;
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rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
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rt_uint32_t rt_thread_switch_interrupt_flag;
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/**
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* This function will initialize hardware interrupt
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*/
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void rt_hw_interrupt_init(void)
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{
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intc_init();
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/* init interrupt nest, and context in thread sp */
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rt_interrupt_nest = 0;
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rt_interrupt_from_thread = 0;
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rt_interrupt_to_thread = 0;
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rt_thread_switch_interrupt_flag = 0;
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}
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/**
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* This function will mask a interrupt.
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* @param vector the interrupt number
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*/
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void rt_hw_interrupt_mask(int vector)
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{
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intc_disable(vector);
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}
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/**
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* This function will un-mask a interrupt.
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* @param vector the interrupt number
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*/
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void rt_hw_interrupt_umask(int vector)
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{
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intc_enable(vector);
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}
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/**
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* This function will install a interrupt service routine to a interrupt.
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* @param vector the interrupt number
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* @param handler the interrupt service routine to be installed
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* @param param the interrupt service function parameter
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* @param name the interrupt name
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* @return old handler
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*/
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rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
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void *param, char *name)
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{
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return RT_NULL;
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}
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void rt_irq_dispatch(void)
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{
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intc_irq();
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}
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void rt_fiq_dispatch(void)
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{
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intc_fiq();
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}
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