matos/arch/x86/exception.c

#include "exception.h"
#include "idt.h"
#include "interrupt.h"
#include "irq.h"

exception_handler exception_handler_array[EXCEPTION_NUM] = {
    NULL,
};

int exceptionSetRoutine(int exception, exception_handler handler)
{
    uint32_t flags;
    if ((exception < 0) || exception >= EXCEPTION_NUM)
        return -1;

    disable_IRQs(flags);

    exception_handler_array[exception] = handler;

    idt_set_handler(EXCEPTION_INTERRUPT_BASE_ADDRESS + exception, (unsigned int)handler, 0);
    restore_IRQs(flags);
    return 0;
}