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| | /* ----------------------------------------------------------------------- *
*
* Copyright 2004 H. Peter Anvin - All Rights Reserved
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall
* be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* ----------------------------------------------------------------------- */
#ifndef _BITS_IO_H
#define _BITS_IO_H
#ifdef __cplusplus
extern "C" {
#endif
int iopl(int);
int ioperm(unsigned long, unsigned long, int);
#if __STDC_VERSION__ >= 199901L
inline
#endif
static void outb(unsigned char __v, unsigned short __p)
{
asm volatile ("outb %0,%1" : : "a" (__v), "dN" (__p));
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static void outw(unsigned short __v, unsigned short __p)
{
asm volatile ("outw %0,%1" : : "a" (__v), "dN" (__p));
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static void outl(unsigned int __v, unsigned short __p)
{
asm volatile ("outl %0,%1" : : "a" (__v), "dN" (__p));
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static unsigned char inb(unsigned short __p)
{
unsigned char __v;
asm volatile ("inb %1,%0" : "=a" (__v) : "dN" (__p));
return __v;
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static unsigned short inw(unsigned short __p)
{
unsigned short __v;
asm volatile ("inw %1,%0" : "=a" (__v) : "dN" (__p));
return __v;
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static unsigned int inl(unsigned short __p)
{
unsigned int __v;
asm volatile ("inl %1,%0" : "=a" (__v) : "dN" (__p));
return __v;
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static void outsb(unsigned short __p, const void *__d, unsigned long __n)
{
asm volatile ("cld; rep; outsb"
: "+S" (__d), "+c" (__n)
: "d" (__p));
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static void outsw(unsigned short __p, const void *__d, unsigned long __n)
{
asm volatile ("cld; rep; outsw"
: "+S" (__d), "+c" (__n)
: "d" (__p));
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static void outsl(unsigned short __p, const void *__d, unsigned long __n)
{
asm volatile ("cld; rep; outsl"
: "+S" (__d), "+c"(__n)
: "d" (__p));
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static void insb(unsigned short __p, void *__d, unsigned long __n)
{
asm volatile ("cld; rep; insb"
: "+D" (__d), "+c" (__n)
: "d" (__p));
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static void insw(unsigned short __p, void *__d, unsigned long __n)
{
asm volatile ("cld; rep; insw"
: "+D" (__d), "+c" (__n)
: "d" (__p));
}
#if __STDC_VERSION__ >= 199901L
inline
#endif
static void insl(unsigned short __p, void *__d, unsigned long __n)
{
asm volatile ("cld; rep; insl"
: "+D" (__d), "+c" (__n)
: "d" (__p));
}
#ifdef __cplusplus
}
#endif
#endif
|