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#include <sys/asm_misc.h> 31#include <sys/regset.h> 32#include <sys/privregs.h> 33#include <sys/psw.h> 34 35#if defined(__lint) 36#include <sys/types.h> 37#include <sys/segments.h> 38#endif 39 40#if defined(__lint) 41 42ulong_t 43kdi_getdr0(void) 44{ 45 return (0); 46} 47 48ulong_t 49kdi_getdr1(void) 50{ 51 return (0); 52} 53 54ulong_t 55kdi_getdr2(void) 56{ 57 return (0); 58} 59 60ulong_t 61kdi_getdr3(void) 62{ 63 return (0); 64} 65 66ulong_t 67kdi_getdr6(void) 68{ 69 return (0); 70} 71 72ulong_t 73kdi_getdr7(void) 74{ 75 return (0); 76} 77 78/*ARGSUSED*/ 79void 80kdi_setdr0(ulong_t value) 81{} 82 83/*ARGSUSED*/ 84void 85kdi_setdr1(ulong_t value) 86{} 87 88/*ARGSUSED*/ 89void 90kdi_setdr2(ulong_t value) 91{} 92 93/*ARGSUSED*/ 94void 95kdi_setdr3(ulong_t value) 96{} 97 98/*ARGSUSED*/ 99void 100kdi_setdr4(ulong_t value) 101{} 102 103/*ARGSUSED*/ 104void 105kdi_setdr6(ulong_t value) 106{} 107 108/*ARGSUSED*/ 109void 110kdi_setdr7(ulong_t value) 111{} 112 113#else 114 115#if defined(__amd64) 116 117#define GETDREG(name, r) \ 118 ENTRY_NP(name); \ 119 movq r, %rax; \ 120 ret; \ 121 SET_SIZE(name) 122 123#define SETDREG(name, r) \ 124 ENTRY_NP(name); \ 125 movq %rdi, r; \ 126 ret; \ 127 SET_SIZE(name) 128 129#elif defined(__i386) 130 131#define GETDREG(name, r) \ 132 ENTRY_NP(name); \ 133 movl r, %eax; \ 134 ret; \ 135 SET_SIZE(name) 136 137#define SETDREG(name, r) \ 138 ENTRY_NP(name); \ 139 movl 4(%esp), %eax; \ 140 movl %eax, r; \ 141 ret; \ 142 SET_SIZE(name) 143 144#endif 145 146 GETDREG(kdi_getdr0, %dr0) 147 GETDREG(kdi_getdr1, %dr1) 148 GETDREG(kdi_getdr2, %dr2) 149 GETDREG(kdi_getdr3, %dr3) 150 GETDREG(kdi_getdr6, %dr6) 151 GETDREG(kdi_getdr7, %dr7) 152 153 SETDREG(kdi_setdr0, %dr0) 154 SETDREG(kdi_setdr1, %dr1) 155 SETDREG(kdi_setdr2, %dr2) 156 SETDREG(kdi_setdr3, %dr3) 157 SETDREG(kdi_setdr6, %dr6) 158 SETDREG(kdi_setdr7, %dr7) 159 160#endif /* __lint */ 161