73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
|
|
* VasEBoot -- GRand Unified Bootloader
|
|
* Copyright (C) 1996,2000,2002,2007 Free Software Foundation, Inc.
|
|
*
|
|
* VasEBoot is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* VasEBoot is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with VasEBoot. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/* Based on sys/io.h from GNU libc. */
|
|
|
|
#ifndef VasEBoot_IO_H
|
|
#define VasEBoot_IO_H 1
|
|
|
|
typedef unsigned short int VasEBoot_port_t;
|
|
|
|
static __inline unsigned char
|
|
VasEBoot_inb (unsigned short int port)
|
|
{
|
|
unsigned char _v;
|
|
|
|
__asm__ __volatile__ ("inb %w1,%0":"=a" (_v):"Nd" (port));
|
|
return _v;
|
|
}
|
|
|
|
static __inline unsigned short int
|
|
VasEBoot_inw (unsigned short int port)
|
|
{
|
|
unsigned short _v;
|
|
|
|
__asm__ __volatile__ ("inw %w1,%0":"=a" (_v):"Nd" (port));
|
|
return _v;
|
|
}
|
|
|
|
static __inline unsigned int
|
|
VasEBoot_inl (unsigned short int port)
|
|
{
|
|
unsigned int _v;
|
|
|
|
__asm__ __volatile__ ("inl %w1,%0":"=a" (_v):"Nd" (port));
|
|
return _v;
|
|
}
|
|
|
|
static __inline void
|
|
VasEBoot_outb (unsigned char value, unsigned short int port)
|
|
{
|
|
__asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port));
|
|
}
|
|
|
|
static __inline void
|
|
VasEBoot_outw (unsigned short int value, unsigned short int port)
|
|
{
|
|
__asm__ __volatile__ ("outw %w0,%w1": :"a" (value), "Nd" (port));
|
|
|
|
}
|
|
|
|
static __inline void
|
|
VasEBoot_outl (unsigned int value, unsigned short int port)
|
|
{
|
|
__asm__ __volatile__ ("outl %0,%w1": :"a" (value), "Nd" (port));
|
|
}
|
|
|
|
#endif /* _SYS_IO_H */
|