isr.c File Reference

#include "../../kernel.h"
#include "../../tasking.h"
#include "../../vga_err.h"
#include "../../address_spaces.h"
#include "../halt.h"
#include "../isr.h"
#include "../paging.h"
#include "../serial.h"
#include "gdt.h"
#include "idt.h"
#include "isr.h"
#include "interrupt.h"
#include <cpu/ports.h>
#include <stdint.h>
#include <string.h>
#include <sys/syscalls.h>
#include <sys/types.h>

Functions
void	irq_handler (registers_t *r)
void	isr_install ()
void	isr_handler (registers_t *r)
void	isr_register_handler (int n, isr_t handler)

Variables
static isr_t	irq_handlers [16]
	Handlers for the PIC interrupts.
static char *	exception_messages []
	List of messages for each exception.

Function Documentation

irq_handler()

void irq_handler

(

registers_t *

r

)

Handler for PIC interrupts

Parameters

r	The saved state of the CPU

isr_handler()

void isr_handler

(

registers_t *

r

)

Handler for non-PIC interrupts

Parameters

r	The saved state of the CPU

isr_install()

void isr_install

(

)

Install the interrupt handlers into the IDT.

isr_register_handler()

void isr_register_handler	(	int	n,
		isr_t	handler
	)

Register an IRQ handler

Parameters

n	the IRQ to register a handler for
handler	the handler to register