80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
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/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2022-08-24 GuEe-GUI first version
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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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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/* initialize pic */
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rt_pic_irq_init();
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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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rt_pic_irq_mask(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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rt_pic_irq_unmask(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 new_handler the interrupt service routine to be installed
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* @param old_handler the old interrupt service routine
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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, const char *name)
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{
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rt_pic_attach_irq(vector, handler, param, name, RT_IRQ_F_NONE);
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return RT_NULL;
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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 new_handler the interrupt service routine to be installed
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* @param old_handler the old interrupt service routine
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*/
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void rt_hw_interrupt_uninstall(int vector, rt_isr_handler_t handler, void *param)
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{
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rt_pic_detach_irq(vector, param);
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}
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#if defined(RT_USING_SMP) || defined(RT_USING_AMP)
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void rt_hw_ipi_send(int ipi_vector, unsigned int cpu_mask)
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{
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RT_BITMAP_DECLARE(cpu_masks, RT_CPUS_NR) = { cpu_mask };
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rt_pic_irq_send_ipi(ipi_vector, cpu_masks);
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}
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void rt_hw_ipi_handler_install(int ipi_vector, rt_isr_handler_t ipi_isr_handler)
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{
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/* note: ipi_vector maybe different with irq_vector */
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rt_hw_interrupt_install(ipi_vector, ipi_isr_handler, 0, "IPI_HANDLER");
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}
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#endif
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