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.
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.
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]
23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
29 / Inline functions specific to the i86pc kernel running on bare metal.
33 / return value of cr3 register
40 / reload cr3 register with its current value
48 / set cr3 register with new value
55 / return value of cr8 register
83 / disable interrupts and return value describing if interrupts were enabled
85 .inline clear_int_flag,0
98 / return the value of the flags register
106 / restore interrupt enable flag to value returned from 'clear_int_flag' above
108 .inline restore_int_flag,4
115 .inline intr_restore,4
162 * Call the halt instruction. This will put the CPU to sleep until
163 * it is again awoken via an interrupt.
164 * This function should be called with interrupts already disabled
166 * Note that "sti" will only enable interrupts at the end of the
167 * subsequent instruction...in this case: "hlt".
174 / execute the bsrw instruction