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 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 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 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 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 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