pic.c File Reference

#include <common.h>
#include <interrupts/pic.h>

Include dependency graph for pic.c:

Go to the source code of this file.

Macros
#define	PIC1_CMD   0x20
	the master PIC's command port
#define	PIC1_DATA   0x21
	the master PIC's data port
#define	PIC2_CMD   0xA0
	the slave PIC's command port
#define	PIC2_DATA   0xA1
	the slave PIC's data port
#define	PIC_EOI   0x20
	"end of interrupt" signals that an IRQ has been handled
#define	INT_IRQ0   0x20
	where we want to map the master PIC's IRQs
#define	INT_IRQ8   0x28
	where we want to map the slave PIC's IRQs

Functions
void	pic_init ()
	Initializes the PIC. More...
void	pic_send_eoi (uint8_t intr)
	Sends an "end of interrupt" signal. More...