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#pragma ident "%Z%%M% %I% %E% SMI" 28 29 .inline _curthread, 0 30 movl %gs:0, %eax 31 .end 32 33 .inline __curthread, 0 34 xorl %eax, %eax 35 movw %gs, %ax 36 andl %eax, %eax 37 je 1f 38 movl %gs:0, %eax 391: 40 .end 41 42 .inline stkptr, 0 43 movl %esp, %eax 44 .end 45 46 .inline gethrtime, 0 47 movl $3, %eax 48 int $0xd2 49 .end 50 51 .inline set_lock_byte, 0 52 movl $1, %eax 53 movl (%esp), %ecx 54 xchgb %al, (%ecx) 55 .end 56 57 .inline cas32, 0 58 movl 0(%esp), %edx 59 movl 4(%esp), %eax 60 movl 8(%esp), %ecx 61 lock 62 cmpxchgl %ecx, (%edx) 63 .end 64 65 .inline swap32, 0 66 movl 0(%esp), %ecx 67 movl 4(%esp), %eax 68 xchgl (%ecx), %eax 69 .end 70 71 .inline incr32, 0 72 movl 0(%esp), %eax 73 lock 74 incl (%eax) 75 .end 76 77 .inline decr32, 0 78 movl 0(%esp), %eax 79 lock 80 decl (%eax) 81 .end 82 83 .inline ht_pause, 0 84 rep / "rep nop" is equivalent to "pause" 85 nop 86 .end 87