/*
 * Copyright 2008 Islam Ahmed Zaid. All rights reserved.  <azismed@gmail.com>
 * AsereBLN: 2009: cleanup and bugfix
 */

#ifndef __LIBSAIO_CPU_H
#define __LIBSAIO_CPU_H

#include "libsaio.h"

extern void scan_cpu(PlatformInfo_t *);

#define bit(n)			(1UL << (n))
#define bitmask(h,l)		((bit(h)|(bit(h)-1)) & ~(bit(l)-1))
#define bitfield(x,h,l)		(((x) & bitmask(h,l)) >> l)

#define	IA32_PERF_STATUS	0x198
#define MSR_FLEX_RATIO		0x194
#define	MSR_PLATFORM_INFO	0xCE
#define K8_FIDVID_STATUS	0xC0010042
#define K10_COFVID_STATUS	0xC0010071

#define DEFAULT_FSB		100000          /* for now, hardcoding 100MHz for old CPUs */

// DFE: This constant comes from older xnu:
#define CLKNUM			1193182		/* formerly 1193167 */

// DFE: These two constants come from Linux except CLOCK_TICK_RATE replaced with CLKNUM
#define CALIBRATE_TIME_MSEC	30		/* 30 msecs */
#define CALIBRATE_LATCH		((CLKNUM * CALIBRATE_TIME_MSEC + 1000/2)/1000)

#endif /* !__LIBSAIO_CPU_H */