source: trunk/include/cpuhlp.h@ 22145

/* $Id: cpuhlp.h,v 1.8 2002-08-13 09:39:56 sandervl Exp $ */

#ifndef _CPUHLP_H_
#define _CPUHLP_H_

#include <float.h>

#ifdef __cplusplus
extern "C" {
#endif

#define BIT(a)  (1<<a)

#define CPUID_FPU_PRESENT               BIT(0)
#define CPUID_VMMODE_EXTENSIONS         BIT(1)
#define CPUID_DBG_EXTENSIONS            BIT(2)
#define CPUID_PAGE_SIZE_EXTENSIONS      BIT(3)
#define CPUID_TIME_STAMP_COUNTER        BIT(4)
#define CPUID_K86_MODEL_REGS            BIT(5)
#define CPUID_MACHINE_CHECK_EXCEPTION   BIT(7)
#define CPUID_CMPXCHG8B_INSTRUCTION     BIT(8)
#define CPUID_APIC                      BIT(9)
#define CPUID_MEMORY_TYPE_RANGE_REGS    BIT(12)
#define CPUID_GLOBAL_PAGING_EXTENSIONS  BIT(13)
#define CPUID_CONDITIONAL_MOVE          BIT(15)
#define CPUID_MMX                       BIT(23)

BOOL  CDECL SupportsCPUID();

void  CDECL GetCPUVendorString(char *vendor);
DWORD CDECL GetCPUFeatures();
DWORD CDECL GetCPUSignature();
void  CDECL GetTSC(LONG *pdwLow, LONG *pdwHigh);

void  InitSystemInfo(int nrcpus);

extern DWORD CPUFeatures;

#if (__IBMC__ >= 360) || (__IBMCPP__ >= 360)
#define CONTROL87(a,b)  __control87(a, b)
#elif (__IBMCPP__ == 300) || (__IBMC__ == 300)
#define CONTROL87(a,b)  _control87(a, b)
#elif defined(__WATCOMC__) || defined(__GNUC__)
#define CONTROL87(a,b)  _control87(a, b)
#else
#error  CONTROL87 undefined
#endif

#ifdef __cplusplus
}
#endif

#endif /* _CPUHLP_H_ */