tst.br.s revision 178477
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#pragma ident "%Z%%M% %I% %E% SMI" 28 29#include <sys/asm_linkage.h> 30 31 DGDEF(__fsr_init_value) 32 .word 0 33 34 ENTRY(waiting) 35 retl 36 ldub [%o0], %o0 37 SET_SIZE(waiting) 38 39 ENTRY(test) 40 mov 1, %g1 41 42 brz %g1, 1f 43 nop 44 brlez %g1, 1f 45 nop 46 brlz %g0, 1f 47 nop 48 brlz %g1, 1f 49 nop 50 brnz %g0, 1f 51 sub %g0, 2, %g1 52 brgz %g1, 1f 53 nop 54 brgz %g0, 1f 55 nop 56 brgez %g1, 1f 57 nop 58 59 mov %g1, %o0 60 611: 62 retl 63 nop 64 SET_SIZE(test) 65 66 ENTRY(main) 67 save %sp, -SA(MINFRAME + 4), %sp 68 stb %g0, [%fp - 4] 691: 70 call waiting 71 sub %fp, 4, %o0 72 tst %o0 73 bz 1b 74 nop 75 76 call test 77 nop 78 79 ret 80 restore %g0, %g0, %o0 81 SET_SIZE(main) 82