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
inb(int port)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
inw(int port)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
inl(int port)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
outb(int port,uint8_t value)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
outw(int port,uint16_t value)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
outl(int port,uint32_t value)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
sync_instruction_memory(caddr_t v,size_t len)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 */
132