xref: /titanic_50/usr/src/uts/i86pc/sys/tsc.h (revision 263f549e5da8b32c4922f586afb365b8ae388a6c)
1*263f549eSPatrick Mooney /*
2*263f549eSPatrick Mooney  * This file and its contents are supplied under the terms of the
3*263f549eSPatrick Mooney  * Common Development and Distribution License ("CDDL"), version 1.0.
4*263f549eSPatrick Mooney  * You may only use this file in accordance with the terms of version
5*263f549eSPatrick Mooney  * 1.0 of the CDDL.
6*263f549eSPatrick Mooney  *
7*263f549eSPatrick Mooney  * A full copy of the text of the CDDL should have accompanied this
8*263f549eSPatrick Mooney  * source.  A copy of the CDDL is also available via the Internet at
9*263f549eSPatrick Mooney  * http://www.illumos.org/license/CDDL.
10*263f549eSPatrick Mooney  */
11*263f549eSPatrick Mooney 
12*263f549eSPatrick Mooney /*
13*263f549eSPatrick Mooney  * Copyright 2016 Joyent, Inc.
14*263f549eSPatrick Mooney  */
15*263f549eSPatrick Mooney 
16*263f549eSPatrick Mooney #ifndef _TSC_H
17*263f549eSPatrick Mooney #define	_TSC_H
18*263f549eSPatrick Mooney 
19*263f549eSPatrick Mooney /*
20*263f549eSPatrick Mooney  * flags to patch tsc_read routine.
21*263f549eSPatrick Mooney  */
22*263f549eSPatrick Mooney #define	TSC_NONE		0x0
23*263f549eSPatrick Mooney #define	TSC_RDTSC_CPUID		0x1
24*263f549eSPatrick Mooney #define	TSC_RDTSC_MFENCE	0x2
25*263f549eSPatrick Mooney #define	TSC_RDTSC_LFENCE	0x3
26*263f549eSPatrick Mooney #define	TSC_TSCP		0x4
27*263f549eSPatrick Mooney 
28*263f549eSPatrick Mooney #endif /* _TSC_H */
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