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
34extern "C" {
35#endif
36
37#if !defined(__lint) && defined(__GNUC__)
38
39#if defined(__i386) || defined(__amd64)
40
41extern __GNU_INLINE uint8_t
42inb(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
54extern __GNU_INLINE uint16_t
55inw(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
67extern __GNU_INLINE uint32_t
68inl(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
80extern __GNU_INLINE void
81outb(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
91extern __GNU_INLINE void
92outw(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
102extern __GNU_INLINE void
103outl(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
115extern __GNU_INLINE void
116sync_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 */
132