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 .inline _curthread, 0 29 movq %fs:0, %rax 30 .end 31 32 .inline __curthread, 0 33 xorq %rax, %rax 34 movw %fs, %ax 35 andq %rax, %rax 36 je 1f 37 movq %fs:0, %rax 381: 39 .end 40 41 .inline stkptr, 0 42 movq %rsp, %rax 43 .end 44 45 .inline gethrtime, 0 46 movl $3, %eax 47 int $0xd2 48 .end 49 50 .inline set_lock_byte, 0 51 movl $1, %eax 52 xchgb %al, (%rdi) 53 .end 54 55 .inline cas32, 0 56 movl %esi, %eax 57 lock 58 cmpxchgl %edx, (%rdi) 59 .end 60 61 .inline swap32, 0 62 movl %esi, %eax 63 xchgl (%rdi), %eax 64 .end 65 66 .inline incr32, 0 67 lock 68 incl (%rdi) 69 .end 70 71 .inline decr32, 0 72 lock 73 decl (%rdi) 74 .end 75 76 .inline ht_pause, 0 77 rep / "rep nop" is equivalent to "pause" 78 nop 79 .end 80