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/*
* $Id$
*
* Copyright (c) 2000 - Rosimildo da Silva. All Rights Reserved.
*
* MODULE DESCRIPTION:
*
* IO Functions for the PC platform equivalent to DOS/Linux. They make
* eaiser the porting of code from these platforms.
*
* by: Rosimildo da Silva: rdasilva@connecttel.com
*
*/
#ifndef i386_io_h__
#define i386_io_h__
#define rtems_inb(port) \
({ \
register int _inb_result; \
\
__asm__ volatile ("xorl %%eax,%%eax; inb %%dx,%%al" : \
"=a" (_inb_result) : "d" (port)); \
_inb_result; \
})
#define rtems_inw(port) \
({ \
register int _inbw_result; \
\
__asm__ volatile ("xorl %%eax,%%eax; inw %%dx,%%ax" : \
"=a" (_inbw_result) : "d" (port)); \
_inbw_result; \
})
#define rtems_outb(port, data) \
__asm__ volatile ("outb %%al,%%dx" : : "a" (data), "d" (port))
#define rtems_outw(port, data) \
__asm__ volatile ("outw %%ax,%%dx" : : "a" (data), "d" (port))
#define outp(port, val) rtems_outb(port,val)
#define inp(port) rtems_inb(port)
#define outb(val, port) rtems_outb(port,val)
#define inb(port) rtems_inb(port)
#define outb_p(val, port) rtems_outb(port,val)
#define inb_p(port) rtems_inb(port)
#define outportb(port,val) rtems_outb(port,val)
#define inportb(port) rtems_inb(port)
#define outw(val, port) rtems_outw(port,val)
#define inw(port) rtems_inw(port)
#define cli() __asm__ __volatile__("cli")
#define sti() __asm__ __volatile__("sti");
#endif /* i386_io_h__ */
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