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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#include <sys/asm_linkage.h> 28 29 DGDEF(__fsr_init_value) 30 .word 0 31 32 ENTRY(waiting) 33 retl 34 ldub [%o0], %o0 35 SET_SIZE(waiting) 36 37 ENTRY(test) 38 mov 1, %g1 39 40 brz %g1, 1f 41 nop 42 brlez %g1, 1f 43 nop 44 brlz %g0, 1f 45 nop 46 brlz %g1, 1f 47 nop 48 brnz %g0, 1f 49 sub %g0, 2, %g1 50 brgz %g1, 1f 51 nop 52 brgz %g0, 1f 53 nop 54 brgez %g1, 1f 55 nop 56 57 mov %g1, %o0 58 591: 60 retl 61 nop 62 SET_SIZE(test) 63 64 ENTRY(main) 65 save %sp, -SA(MINFRAME + 4), %sp 66 stb %g0, [%fp - 4] 671: 68 call waiting 69 sub %fp, 4, %o0 70 tst %o0 71 bz 1b 72 nop 73 74 call test 75 nop 76 77 ret 78 restore %g0, %g0, %o0 79 SET_SIZE(main) 80