I/O

I/O. More...

Files
file	bsps/i386/include/i386_io.h
	I/O.

Macros
#define	rtems_inb(port)
#define	rtems_inw(port)
#define	rtems_outb(port, data)
#define	rtems_outw(port, data)
#define	outp(port, val)
#define	inp(port)
#define	outb(val, port)
#define	inb(port)
#define	outb_p(val, port)
#define	inb_p(port)
#define	outportb(port, val)
#define	inportb(port)
#define	outw(val, port)
#define	inw(port)
#define	cli()
#define	sti()

Detailed Description

I/O.

Macro Definition Documentation

cli

#define cli

(

)

Value:

__asm__ __volatile__("cli")

inb

#define inb

(

port

)

Value:

rtems_inb(port)

inb_p

#define inb_p

(

port

)

Value:

rtems_inb(port)

inp

#define inp

(

port

)

Value:

rtems_inb(port)

inportb

#define inportb

(

port

)

Value:

rtems_inb(port)

inw

#define inw

(

port

)

Value:

rtems_inw(port)

outb

#define outb	(		val,
			port )

Value:

rtems_outb(port,val)

outb_p

#define outb_p	(		val,
			port )

Value:

rtems_outb(port,val)

outp

#define outp	(		port,
			val )

Value:

rtems_outb(port,val)

outportb

#define outportb	(		port,
			val )

Value:

rtems_outb(port,val)

outw

#define outw	(		val,
			port )

Value:

rtems_outw(port,val)

rtems_inb

#define rtems_inb

(

port

)

Value:

({                                  \
        register int _inb_result;                   \
                            \
        __asm__ volatile ("xorl %%eax,%%eax; inb %%dx,%%al" :       \
            "=a" (_inb_result) : "d" (port));               \
        _inb_result;                            \
})

rtems_inw

#define rtems_inw

(

port

)

Value:

({                                  \
        register int _inbw_result;                  \
                                    \
        __asm__ volatile ("xorl %%eax,%%eax; inw %%dx,%%ax" :       \
            "=a" (_inbw_result) : "d" (port));              \
        _inbw_result;                           \
})

rtems_outb

#define rtems_outb	(		port,
			data )

Value:

__asm__ volatile ("outb %%al,%%dx" : : "a" (data), "d" (port))

rtems_outw

#define rtems_outw	(		port,
			data )

Value:

__asm__ volatile ("outw %%ax,%%dx" : : "a" (data), "d" (port))

sti

#define sti

(

)

Value:

__asm__ __volatile__("sti");