compiler/include/asm/io.h

   1 #ifndef ASM_IO_H
   2 #define ASM_IO_H
   3
   4 /*
   5     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     I/O operations, generic header.
   9 */
  10
  11 #include <aros/macros.h>
  12
  13 /* Include the actual CPU-dependent definitions */
  14 #if defined __i386__
  15 #  include <asm/i386/io.h>
  16 #elif defined __x86_64__
  17 /* I/O operations are the same on i386 and x86-64 */
  18 #  include <asm/i386/io.h>
  19 #elif defined __powerpc__
  20 #  include <asm/ppc/io.h>
  21 #else
  22
  23 /* Default version for memory-mapped I/O with strong ordering */
  24
  25 #define inb(address) (*((volatile unsigned char  *)(address)))
  26 #define inw(address) (*((volatile unsigned short *)(address)))
  27 #define inl(address) (*((volatile unsigned int   *)(address)))
  28
  29 #define outb(value, address) *((volatile unsigned char  *)(address)) = (value)
  30 #define outw(value, address) *((volatile unsigned short *)(address)) = (value)
  31 #define outl(value, address) *((volatile unsigned int   *)(address)) = (value)
  32
  33 #endif
  34
  35 #ifndef port_t
  36 #define port_t void *
  37 #endif
  38
  39 #ifndef HAVE_MMIO_IO
  40
  41 #define mmio_inb(address) (*((volatile unsigned char  *)(address)))
  42 #define mmio_inw(address) (*((volatile unsigned short *)(address)))
  43 #define mmio_inl(address) (*((volatile unsigned int   *)(address)))
  44
  45 #define mmio_outb(value, address) *((volatile unsigned char  *)(address)) = (value)
  46 #define mmio_outw(value, address) *((volatile unsigned short *)(address)) = (value)
  47 #define mmio_outl(value, address) *((volatile unsigned int   *)(address)) = (value)
  48
  49 #endif
  50
  51 #ifndef HAVE_LE_IO
  52
  53 #define inw_le(address) AROS_LE2WORD(inw(address))
  54 #define inl_le(address) AROS_LE2LONG(inl(address))
  55
  56 #define outw_le(value, address) outw(AROS_WORD2LE(value), address)
  57 #define outl_le(value, address) outl(AROS_LONG2LE(value), address)
  58
  59 #endif
  60
  61 #ifndef HAVE_LE_MMIO_IO
  62
  63 #define mmio_inw_le(address) AROS_LE2WORD(mmio_inw(address))
  64 #define mmio_inl_le(address) AROS_LE2LONG(mmio_inl(address))
  65
  66 #define mmio_outw_le(value, address) mmio_outw(AROS_WORD2LE(value), address)
  67 #define mmio_outl_le(value, address) mmio_outl(AROS_LONG2LE(value), address)
  68
  69 #endif
  70
  71 #endif