8f6c61bcef
Includes some common routines which may be used by other drivers. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8405 a95241bf-73f2-0310-859d-f6bbb57e9c96
37 lines
738 B
C
37 lines
738 B
C
/* ++++++++++
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File: perfmon_kernel.h
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Description: kernel mode interface to performance counters and time stamp
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registers of 586 and 686 CPUs
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DO NOT use these functions in the production code !!!
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This interface WILL BE CHANGED in the next releases.
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Copyright (c) 1998 by Be Incorporated. All Rights Reserved.
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+++++ */
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#ifndef _PERFMON_KERNEL_H
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#define _PERFMON_KERNEL_H
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#include <SupportDefs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if __INTEL__
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extern _IMPEXP_KERNEL uint64 read_msr(uint32 msr);
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extern _IMPEXP_KERNEL void write_msr(uint32 msr, uint64 val);
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extern _IMPEXP_KERNEL uint64 read_pmc(uint32 pmc);
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extern _IMPEXP_KERNEL uint64 read_tsc(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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