1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #ifndef _ASM_CPUVAR_H
28*0Sstevel@tonic-gate #define _ASM_CPUVAR_H
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
31*0Sstevel@tonic-gate
32*0Sstevel@tonic-gate #include <sys/types.h>
33*0Sstevel@tonic-gate
34*0Sstevel@tonic-gate #ifdef __cplusplus
35*0Sstevel@tonic-gate extern "C" {
36*0Sstevel@tonic-gate #endif
37*0Sstevel@tonic-gate
38*0Sstevel@tonic-gate #if !defined(__lint) && defined(__GNUC__)
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate struct cpu;
41*0Sstevel@tonic-gate
curcpup(void)42*0Sstevel@tonic-gate extern __inline__ struct cpu *curcpup(void)
43*0Sstevel@tonic-gate {
44*0Sstevel@tonic-gate struct cpu *__value;
45*0Sstevel@tonic-gate
46*0Sstevel@tonic-gate #if defined(__amd64)
47*0Sstevel@tonic-gate __asm__ __volatile__(
48*0Sstevel@tonic-gate "movq %%gs:0x10,%0" /* CPU_SELF */
49*0Sstevel@tonic-gate : "=r" (__value));
50*0Sstevel@tonic-gate #elif defined(__i386)
51*0Sstevel@tonic-gate __asm__ __volatile__(
52*0Sstevel@tonic-gate "movl %%gs:0xc,%0" /* CPU_SELF */
53*0Sstevel@tonic-gate : "=r" (__value));
54*0Sstevel@tonic-gate #else
55*0Sstevel@tonic-gate #error "port me"
56*0Sstevel@tonic-gate #endif
57*0Sstevel@tonic-gate return (__value);
58*0Sstevel@tonic-gate }
59*0Sstevel@tonic-gate
60*0Sstevel@tonic-gate #endif /* !__lint && __GNUC__ */
61*0Sstevel@tonic-gate
62*0Sstevel@tonic-gate #ifdef __cplusplus
63*0Sstevel@tonic-gate }
64*0Sstevel@tonic-gate #endif
65*0Sstevel@tonic-gate
66*0Sstevel@tonic-gate #endif /* _ASM_CPUVAR_H */
67