1*7c478bd9Sstevel@tonic-gate/* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate/* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate .ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate#include <sys/asm_linkage.h> 30*7c478bd9Sstevel@tonic-gate .file "i386_locks.s" 31*7c478bd9Sstevel@tonic-gate ENTRY(tnfw_b_get_lock) 32*7c478bd9Sstevel@tonic-gate#if defined (__amd64) 33*7c478bd9Sstevel@tonic-gate /* XX64 - fix me */ 34*7c478bd9Sstevel@tonic-gate#else 35*7c478bd9Sstevel@tonic-gate movl 4(%esp), %edx 36*7c478bd9Sstevel@tonic-gate subl %eax, %eax 37*7c478bd9Sstevel@tonic-gate lock 38*7c478bd9Sstevel@tonic-gate btsl $0, (%edx) 39*7c478bd9Sstevel@tonic-gate jnc .L1 40*7c478bd9Sstevel@tonic-gate incl %eax 41*7c478bd9Sstevel@tonic-gate.L1: 42*7c478bd9Sstevel@tonic-gate#endif 43*7c478bd9Sstevel@tonic-gate ret 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate ENTRY(tnfw_b_clear_lock) 46*7c478bd9Sstevel@tonic-gate#if defined (__amd64) 47*7c478bd9Sstevel@tonic-gate /* XX64 - fix me */ 48*7c478bd9Sstevel@tonic-gate#else 49*7c478bd9Sstevel@tonic-gate movl 4(%esp), %eax 50*7c478bd9Sstevel@tonic-gate movb $0, (%eax) 51*7c478bd9Sstevel@tonic-gate#endif 52*7c478bd9Sstevel@tonic-gate ret 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate ENTRY(tnfw_b_atomic_swap) 55*7c478bd9Sstevel@tonic-gate#if defined (__amd64) 56*7c478bd9Sstevel@tonic-gate /* XX64 - fix me */ 57*7c478bd9Sstevel@tonic-gate#else 58*7c478bd9Sstevel@tonic-gate movl 4(%esp), %edx 59*7c478bd9Sstevel@tonic-gate movl 8(%esp), %eax 60*7c478bd9Sstevel@tonic-gate xchgl %eax, (%edx) 61*7c478bd9Sstevel@tonic-gate#endif 62*7c478bd9Sstevel@tonic-gate ret 63