ioport.h File Reference

#include <stdint.h>

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Functions
static __inline__ unsigned char	inb (unsigned short port)
static __inline__ unsigned short	inw (unsigned short port)
static __inline__ unsigned int	inl (int port)
static __inline__ void	outb (int port, unsigned char val)
static __inline__ void	outw (int port, unsigned short val)
static __inline__ void	outl (int port, unsigned int val)
static __inline__ void	insb (int port, void *buf, int cnt)
static __inline__ void	insw (int port, void *buf, int cnt)
static __inline__ void	insl (int port, void *buf, int cnt)
static __inline__ void	outsb (int port, const void *buf, int cnt)
static __inline__ void	outsw (int port, const void *buf, int cnt)
static __inline__ void	outsl (int port, const void *buf, int cnt)

Function Documentation

inb()

static __inline__ unsigned char inb ( unsigned short  port )

static

Definition at line 8 of file ioport.h.

{
    unsigned char retval;
    __asm__ __volatile__ ("inb %w1, %0\n\t"
    : "=a" (retval)
    : "d" (port));
    return retval;
}

inl()

static __inline__ unsigned int inl ( int  port )

static

Definition at line 26 of file ioport.h.

{
    unsigned int retval;
    __asm__ __volatile__ ("inl %w1, %0\n\t"
    : "=a" (retval)
    : "d" (port));
    return retval;
}

insb()

static __inline__ void insb ( int  port, void *  buf, int  cnt  )

static

Definition at line 59 of file ioport.h.

{
    __asm__ __volatile__ ("cld\n\trepne\n\tinsb\n\t"
    : "=D" (buf), "=c" (cnt)
    : "d" (port), "0" (buf), "1" (cnt) : "memory", "cc");
}

insl()

static __inline__ void insl ( int  port, void *  buf, int  cnt  )

static

Definition at line 73 of file ioport.h.

{
    __asm__ __volatile__ ("cld\n\trepne\n\tinsl\n\t"
    : "=D" (buf), "=c" (cnt)
    : "d" (port), "0" (buf), "1" (cnt) : "memory", "cc");
}

insw()

static __inline__ void insw ( int  port, void *  buf, int  cnt  )

static

Definition at line 66 of file ioport.h.

{
    __asm__ __volatile__ ("cld\n\trepne\n\tinsw\n\t"
    : "=D" (buf), "=c" (cnt)
    : "d" (port), "0" (buf), "1" (cnt) : "memory", "cc");
}

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inw()

static __inline__ unsigned short inw ( unsigned short  port )

static

Definition at line 17 of file ioport.h.

{
    unsigned short retval;
    __asm__ __volatile__ ("inw %w1, %0\n\t"
    : "=a" (retval)
    : "d" (port));
    return retval;
}

outb()

static __inline__ void outb ( int  port, unsigned char  val  )

static

Definition at line 35 of file ioport.h.

{
    __asm__ __volatile__ ("outb %0, %w1\n\t"
    :
    : "a" (val),
    "d" (port));
}

outl()

static __inline__ void outl ( int  port, unsigned int  val  )

static

Definition at line 51 of file ioport.h.

{
    __asm__ __volatile__ ("outl %0, %w1\n\t"
    :
    : "a" (val),
    "d" (port));
}

outsb()

static __inline__ void outsb ( int  port, const void *  buf, int  cnt  )

static

Definition at line 80 of file ioport.h.

{
    __asm__ __volatile__ ("cld\n\trepne\n\toutsb\n\t"
    : "=S" (buf), "=c" (cnt)
    : "d" (port), "0" (buf), "1" (cnt) : "cc");
}

outsl()

static __inline__ void outsl ( int  port, const void *  buf, int  cnt  )

static

Definition at line 94 of file ioport.h.

{
    __asm__ __volatile__ ("cld\n\trepne\n\toutsl\n\t"
    : "=S" (buf), "=c" (cnt)
    : "d" (port), "0" (buf), "1" (cnt) : "cc");
}

outsw()

static __inline__ void outsw ( int  port, const void *  buf, int  cnt  )

static

Definition at line 87 of file ioport.h.

{
    __asm__ __volatile__ ("cld\n\trepne\n\toutsw\n\t"
    : "=S" (buf), "=c" (cnt)
    : "d" (port), "0" (buf), "1" (cnt) : "cc");
}

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outw()

static __inline__ void outw ( int  port, unsigned short  val  )

static

Definition at line 43 of file ioport.h.

{
    __asm__ __volatile__ ("outw %0, %w1\n\t"
    :
    : "a" (val),
    "d" (port));
}