ioapic.c File Reference

#include <miniOS/arch/x86_64/apic.h>
#include <miniOS/arch/x86_64/irq.h>
#include <miniOS/arch/x86_64/segment.h>
#include <miniOS/io.h>

Include dependency graph for ioapic.c:

Functions
void	irq_set_handler (uint8_t irq, idt_handler_func *fn)
void	irq_dispatch (uint8_t irq, void *frame)
static uint32_t	ioapic_read (uint8_t reg)
static void	ioapic_write (uint8_t reg, uint32_t val)
void	ioapic_mask_irq (uint8_t irq)
	Mask (disable) an I/O APIC redirection entry.
void	ioapic_unmask_irq (uint8_t irq)
	Unmask (enable) an I/O APIC redirection entry.
void	ioapic_init (void)
	Map and initialise the I/O APIC.

Variables
addr_t	irq_wrapper_array [NR_IRQS]
static idt_handler_func *	irq_handlers [NR_IRQS] = {0}
static volatile uint32_t *	ioapic = (volatile uint32_t *)IOAPIC_BASE

Function Documentation

ioapic_read()

uint32_t ioapic_read ( uint8_t reg )

static

Here is the caller graph for this function:

ioapic_write()

void ioapic_write ( uint8_t reg, uint32_t val )

static

Here is the caller graph for this function:

irq_dispatch()

void irq_dispatch	(	uint8_t	irq,
		void *	frame )

irq_set_handler()

void irq_set_handler	(	uint8_t	irq,
		idt_handler_func *	fn )

Here is the caller graph for this function:

Variable Documentation

ioapic

volatile uint32_t* ioapic = (volatile uint32_t *)IOAPIC_BASE

static

irq_handlers

idt_handler_func* irq_handlers[NR_IRQS] = {0}

static

irq_wrapper_array

addr_t irq_wrapper_array[NR_IRQS]

extern