| /* |
| * CDDL HEADER START |
| * |
| * The contents of this file are subject to the terms of the |
| * Common Development and Distribution License, Version 1.0 only |
| * (the "License"). You may not use this file except in compliance |
| * with the License. |
| * |
| * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| * or http://www.opensolaris.org/os/licensing. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * |
| * When distributing Covered Code, include this CDDL HEADER in each |
| * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| * If applicable, add the following below this CDDL HEADER, with the |
| * fields enclosed by brackets "[]" replaced with your own identifying |
| * information: Portions Copyright [yyyy] [name of copyright owner] |
| * |
| * CDDL HEADER END |
| */ |
| #pragma ident "%Z%%M% %I% %E% SMI" |
| /* |
| * Copyright (c) 1994, by Sun Microsytems, Inc. |
| */ |
| |
| #include <sys/asm_linkage.h> |
| |
| .file __FILE__ |
| /* |
| * int tnfw_b_get_lock(tnf_byte_lock_t *); |
| */ |
| ENTRY(tnfw_b_get_lock) |
| ldstub [%o0], %o1 |
| jmpl %o7+8, %g0 |
| mov %o1, %o0 |
| SET_SIZE(tnfw_b_get_lock) |
| |
| /* |
| * void tnfw_b_clear_lock(tnf_byte_lock_t *); |
| */ |
| ENTRY(tnfw_b_clear_lock) |
| jmpl %o7+8, %g0 |
| stb %g0, [%o0] |
| SET_SIZE(tnfw_b_clear_lock) |
| |
| /* |
| * u_long tnfw_b_atomic_swap(u_long *, u_long); |
| */ |
| ENTRY(tnfw_b_atomic_swap) |
| swap [%o0], %o1 |
| jmpl %o7+8, %g0 |
| mov %o1, %o0 |
| SET_SIZE(tnfw_b_atomic_swap) |