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 29 .inline _curthread, 0 30 .register %g7, #scratch 31 mov %g7, %o0 32 .end 33 34 .inline __curthread, 0 35 .register %g7, #scratch 36 tst %g7 37 be,a 1f 38 mov %g0, %o0 39 ld [%g7 + 80], %o0 ! ul_self 401: 41 .end 42 43 .inline stkptr, 0 44 mov %sp, %o0 45 .end 46 47 .inline gethrtime, 0 48 ta 0x24 49 .end 50 51 .inline set_lock_byte, 0 52 ldstub [%o0], %o0 53 .end 54 55 /* 56 * When compiling with -xarch=v8, the compiler refuses to 57 * accept the 'cas' instruction, so we encode it in hex below. 58 * We can't compile the 32-bit libc with -xarch=v8plus because 59 * then %g5 would become a scratch register and we would break 60 * 32-bit applications that use %g5 as an invariant register. 61 */ 62 63 .inline cas32, 0 64 .word 0xd5e21009 ! cas [%o0], %o1, %o2 65 mov %o2, %o0 66 .end 67 68 .inline swap32, 0 69 ld [%o0], %o2 701: 71 mov %o1, %o3 72 .word 0xd7e2100a ! cas [%o0], %o2, %o3 73 cmp %o2, %o3 74 bne,a 1b 75 mov %o3, %o2 76 mov %o3, %o0 77 .end 78 79 .inline incr32, 0 80 ld [%o0], %o2 811: 82 add %o2, 1, %o3 83 .word 0xd7e2100a ! cas [%o0], %o2, %o3 84 cmp %o2, %o3 85 bne,a 1b 86 mov %o3, %o2 87 .end 88 89 .inline decr32, 0 90 ld [%o0], %o2 911: 92 sub %o2, 1, %o3 93 .word 0xd7e2100a ! cas [%o0], %o2, %o3 94 cmp %o2, %o3 95 bne,a 1b 96 mov %o3, %o2 97 .end 98 99 .inline caller, 0 100 mov %i7, %o0 101 .end 102 103 .inline getfp, 0 104 mov %fp, %o0 105 .end 106