xref: /titanic_41/usr/src/uts/intel/asm/sunddi.h (revision bdfc6d18da790deeec2e0eb09c625902defe2498)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 #if !defined(__lint) && defined(__GNUC__)
39 
40 #if defined(__i386) || defined(__amd64)
41 
42 extern __inline__ uint8_t 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 __inline__ uint16_t inw(int port)
55 {
56 	uint16_t port16 = (uint16_t)port;
57 	uint16_t value;
58 
59 	__asm__ __volatile__(
60 		"inw (%1)"		/* value in %ax */
61 		: "=a" (value)
62 		: "d" (port16));
63 	return (value);
64 }
65 
66 extern __inline__ uint32_t inl(int port)
67 {
68 	uint16_t port16 = (uint16_t)port;
69 	uint32_t value;
70 
71 	__asm__ __volatile__(
72 		"inl (%1)"		/* value in %eax */
73 		: "=a" (value)
74 		: "d" (port16));
75 	return (value);
76 }
77 
78 extern __inline__ void outb(int port, uint8_t value)
79 {
80 	uint16_t port16 = (uint16_t)port;
81 
82 	__asm__ __volatile__(
83 		"outb (%1)"
84 		: /* no output */
85 		: "a" (value), "d" (port16));
86 }
87 
88 extern __inline__ void outw(int port, uint16_t value)
89 {
90 	uint16_t port16 = (uint16_t)port;
91 
92 	__asm__ __volatile__(
93 		"outw (%1)"
94 		: /* no output */
95 		: "a" (value), "d" (port16));
96 }
97 
98 extern __inline__ void outl(int port, uint32_t value)
99 {
100 	uint16_t port16 = (uint16_t)port;
101 
102 	__asm__ __volatile__(
103 		"outl (%1)"
104 		: /* no output */
105 		: "a" (value), "d" (port16));
106 }
107 
108 #if defined(_BOOT)
109 
110 extern __inline__ void sync_instruction_memory(caddr_t v, size_t len)
111 {
112 	__asm__ __volatile__("nop");
113 }
114 
115 #endif /* _BOOT */
116 
117 #endif /* __i386 || __amd64 */
118 
119 #endif /* !__lint && __GNUC__ */
120 
121 #ifdef __cplusplus
122 }
123 #endif
124 
125 #endif	/* _ASM_SUNDDI_H */
126