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 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #ifndef _ASM_HTABLE_H
28 #define _ASM_HTABLE_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 /*
43 * This set of atomic operations are designed primarily
44 * for some ia32 hat layer operations.
45 */
46
atomic_orb(uint8_t * addr,uint8_t value)47 extern __inline__ void atomic_orb(uint8_t *addr, uint8_t value)
48 {
49 __asm__ __volatile__(
50 "lock; orb %%dl,%0"
51 : "=m" (*addr)
52 : "d" (value), "m" (*addr)
53 : "cc");
54 }
55
atomic_andb(uint8_t * addr,uint8_t value)56 extern __inline__ void atomic_andb(uint8_t *addr, uint8_t value)
57 {
58 __asm__ __volatile__(
59 "lock; andb %%dl,%0"
60 : "=m" (*addr)
61 : "d" (value), "m" (*addr)
62 : "cc");
63 }
64
atomic_inc16(uint16_t * addr)65 extern __inline__ void atomic_inc16(uint16_t *addr)
66 {
67 __asm__ __volatile__(
68 "lock; incw %0"
69 : "=m" (*addr)
70 : "m" (*addr)
71 : "cc");
72 }
73
atomic_dec16(uint16_t * addr)74 extern __inline__ void atomic_dec16(uint16_t *addr)
75 {
76 __asm__ __volatile__(
77 "lock; decw %0"
78 : "=m" (*addr)
79 : "m" (*addr)
80 : "cc");
81 }
82
mmu_tlbflush_entry(caddr_t addr)83 extern __inline__ void mmu_tlbflush_entry(caddr_t addr)
84 {
85 __asm__ __volatile__(
86 "invlpg %0"
87 : "=m" (*addr)
88 : "m" (*addr));
89 }
90
91 #endif /* __i386 || __amd64 */
92
93 #endif /* !__lint && __GNUC__ */
94
95 #ifdef __cplusplus
96 }
97 #endif
98
99 #endif /* _ASM_HTABLE_H */
100