| 1 | /*␊ |
| 2 | * Copyright 2008 Islam Ahmed Zaid. All rights reserved. <azismed@gmail.com>␊ |
| 3 | * AsereBLN: 2009: cleanup and bugfix␊ |
| 4 | */␊ |
| 5 | ␊ |
| 6 | #ifndef __LIBSAIO_CPU_H␊ |
| 7 | #define __LIBSAIO_CPU_H␊ |
| 8 | ␊ |
| 9 | #include "libsaio.h"␊ |
| 10 | extern void scan_cpu(PlatformInfo_t *);␊ |
| 11 | ␊ |
| 12 | #define bit(n)␉␉␉(1UL << (n))␊ |
| 13 | #define bitmask(h,l)␉␉((bit(h)|(bit(h)-1)) & ~(bit(l)-1))␊ |
| 14 | #define bitfield(x,h,l)␉␉(((x) & bitmask(h,l)) >> l)␊ |
| 15 | ␊ |
| 16 | #define MSR_FSB_FREQ␉␉␉0x000000cd␊ |
| 17 | #define MSR_IA32_PLATFORM_ID␉0x00000017␊ |
| 18 | #define␉IA32_PERF_STATUS␉␉0x198␊ |
| 19 | #define MSR_FLEX_RATIO␉␉␉0x194␊ |
| 20 | #define␉MSR_PLATFORM_INFO␉␉0xCE␊ |
| 21 | #define K8_FIDVID_STATUS␉␉0xC0010042␊ |
| 22 | #define K10_COFVID_STATUS␉␉0xC0010071␊ |
| 23 | ␊ |
| 24 | #define DEFAULT_FSB␉␉100000 /* for now, hardcoding 100MHz for old CPUs */␊ |
| 25 | ␊ |
| 26 | // DFE: This constant comes from older xnu:␊ |
| 27 | #define CLKNUM␉␉␉1193182␉␉/* formerly 1193167 */␊ |
| 28 | ␊ |
| 29 | // DFE: These two constants come from Linux except CLOCK_TICK_RATE replaced with CLKNUM␊ |
| 30 | #define CALIBRATE_TIME_MSEC␉30␉␉/* 30 msecs */␊ |
| 31 | #define CALIBRATE_LATCH␉␉((CLKNUM * CALIBRATE_TIME_MSEC + 1000/2)/1000)␊ |
| 32 | ␊ |
| 33 | #endif /* !__LIBSAIO_CPU_H */␊ |
| 34 | |
