xref: /titanic_41/usr/src/uts/i86pc/sys/tsc.h (revision dd7afb26c5036958cddc0c2c1e499571664a6ed0)
1*dd7afb26SPatrick Mooney /*
2*dd7afb26SPatrick Mooney  * This file and its contents are supplied under the terms of the
3*dd7afb26SPatrick Mooney  * Common Development and Distribution License ("CDDL"), version 1.0.
4*dd7afb26SPatrick Mooney  * You may only use this file in accordance with the terms of version
5*dd7afb26SPatrick Mooney  * 1.0 of the CDDL.
6*dd7afb26SPatrick Mooney  *
7*dd7afb26SPatrick Mooney  * A full copy of the text of the CDDL should have accompanied this
8*dd7afb26SPatrick Mooney  * source.  A copy of the CDDL is also available via the Internet at
9*dd7afb26SPatrick Mooney  * http://www.illumos.org/license/CDDL.
10*dd7afb26SPatrick Mooney  */
11*dd7afb26SPatrick Mooney 
12*dd7afb26SPatrick Mooney /*
13*dd7afb26SPatrick Mooney  * Copyright 2016 Joyent, Inc.
14*dd7afb26SPatrick Mooney  */
15*dd7afb26SPatrick Mooney 
16*dd7afb26SPatrick Mooney #ifndef _TSC_H
17*dd7afb26SPatrick Mooney #define	_TSC_H
18*dd7afb26SPatrick Mooney 
19*dd7afb26SPatrick Mooney /*
20*dd7afb26SPatrick Mooney  * flags to patch tsc_read routine.
21*dd7afb26SPatrick Mooney  */
22*dd7afb26SPatrick Mooney #define	TSC_NONE		0x0
23*dd7afb26SPatrick Mooney #define	TSC_RDTSC_CPUID		0x1
24*dd7afb26SPatrick Mooney #define	TSC_RDTSC_MFENCE	0x2
25*dd7afb26SPatrick Mooney #define	TSC_RDTSC_LFENCE	0x3
26*dd7afb26SPatrick Mooney #define	TSC_TSCP		0x4
27*dd7afb26SPatrick Mooney 
28*dd7afb26SPatrick Mooney #endif /* _TSC_H */
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