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