usr/src/uts/intel/asm/sunddi.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _ASM_SUNDDI_H
  28 #define _ASM_SUNDDI_H
  29
  30 #include <sys/ccompile.h>
  31 #include <sys/types.h>
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 #if !defined(__lint) && defined(__GNUC__)
  38
  39 #if defined(__i386) || defined(__amd64)
  40
  41 extern __GNU_INLINE uint8_t
  42 inb(int port)
  43 {
  44         uint16_t port16 = (uint16_t)port;
  45         uint8_t value;
  46
  47         __asm__ __volatile__(
  48             "inb (%1)"          /* value in %al */
  49             : "=a" (value)
  50             : "d" (port16));
  51         return (value);
  52 }
  53
  54 extern __GNU_INLINE uint16_t
  55 inw(int port)
  56 {
  57         uint16_t port16 = (uint16_t)port;
  58         uint16_t value;
  59
  60         __asm__ __volatile__(
  61             "inw (%1)"          /* value in %ax */
  62             : "=a" (value)
  63             : "d" (port16));
  64         return (value);
  65 }
  66
  67 extern __GNU_INLINE uint32_t
  68 inl(int port)
  69 {
  70         uint16_t port16 = (uint16_t)port;
  71         uint32_t value;
  72
  73         __asm__ __volatile__(
  74             "inl (%1)"          /* value in %eax */
  75             : "=a" (value)
  76             : "d" (port16));
  77         return (value);
  78 }
  79
  80 extern __GNU_INLINE void
  81 outb(int port, uint8_t value)
  82 {
  83         uint16_t port16 = (uint16_t)port;
  84
  85         __asm__ __volatile__(
  86             "outb (%1)"
  87             : /* no output */
  88             : "a" (value), "d" (port16));
  89 }
  90
  91 extern __GNU_INLINE void
  92 outw(int port, uint16_t value)
  93 {
  94         uint16_t port16 = (uint16_t)port;
  95
  96         __asm__ __volatile__(
  97             "outw (%1)"
  98             : /* no output */
  99             : "a" (value), "d" (port16));
 100 }
 101
 102 extern __GNU_INLINE void
 103 outl(int port, uint32_t value)
 104 {
 105         uint16_t port16 = (uint16_t)port;
 106
 107         __asm__ __volatile__(
 108             "outl (%1)"
 109             : /* no output */
 110             : "a" (value), "d" (port16));
 111 }
 112
 113 #if defined(_BOOT)
 114
 115 extern __GNU_INLINE void
 116 sync_instruction_memory(caddr_t v, size_t len)
 117 {
 118         __asm__ __volatile__("nop");
 119 }
 120
 121 #endif /* _BOOT */
 122
 123 #endif /* __i386 || __amd64 */
 124
 125 #endif /* !__lint && __GNUC__ */
 126
 127 #ifdef __cplusplus
 128 }
 129 #endif
 130
 131 #endif  /* _ASM_SUNDDI_H */