mirror of
https://github.com/reactos/wine.git
synced 2024-12-09 04:13:58 +00:00
407d863a8a
performance counter. Put the calculation (based on gettimeofday) in NtQueryPerformanceCounter() and use that in the kernel functions.
707 lines
22 KiB
C
707 lines
22 KiB
C
/*
|
|
* What processor?
|
|
*
|
|
* Copyright 1995,1997 Morten Welinder
|
|
* Copyright 1997-1998 Marcus Meissner
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "wine/port.h"
|
|
|
|
#ifdef HAVE_SYS_PARAM_H
|
|
# include <sys/param.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SYSCTL_H
|
|
# include <sys/sysctl.h>
|
|
#endif
|
|
#ifdef HAVE_MACHINE_CPU_H
|
|
# include <machine/cpu.h>
|
|
#endif
|
|
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#ifdef HAVE_SYS_TIME_H
|
|
# include <sys/time.h>
|
|
#endif
|
|
|
|
|
|
#define NONAMELESSUNION
|
|
#define NONAMELESSSTRUCT
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "winnt.h"
|
|
#include "winreg.h"
|
|
#include "winternl.h"
|
|
#include "winerror.h"
|
|
#include "wine/unicode.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(reg);
|
|
|
|
#define AUTH 0x68747541 /* "Auth" */
|
|
#define ENTI 0x69746e65 /* "enti" */
|
|
#define CAMD 0x444d4163 /* "cAMD" */
|
|
|
|
/* Calls cpuid with an eax of 'ax' and returns the 16 bytes in *p
|
|
* We are compiled with -fPIC, so we can't clobber ebx.
|
|
*/
|
|
static inline void do_cpuid(int ax, int *p)
|
|
{
|
|
#ifdef __i386__
|
|
__asm__("pushl %%ebx\n\t"
|
|
"cpuid\n\t"
|
|
"movl %%ebx, %%esi\n\t"
|
|
"popl %%ebx"
|
|
: "=a" (p[0]), "=S" (p[1]), "=c" (p[2]), "=d" (p[3])
|
|
: "0" (ax));
|
|
#endif
|
|
}
|
|
|
|
/* From xf86info havecpuid.c 1.11 */
|
|
static inline int have_cpuid(void)
|
|
{
|
|
#ifdef __i386__
|
|
unsigned int f1, f2;
|
|
__asm__("pushfl\n\t"
|
|
"pushfl\n\t"
|
|
"popl %0\n\t"
|
|
"movl %0,%1\n\t"
|
|
"xorl %2,%0\n\t"
|
|
"pushl %0\n\t"
|
|
"popfl\n\t"
|
|
"pushfl\n\t"
|
|
"popl %0\n\t"
|
|
"popfl"
|
|
: "=&r" (f1), "=&r" (f2)
|
|
: "ir" (0x00200000));
|
|
return ((f1^f2) & 0x00200000) != 0;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static BYTE PF[64] = {0,};
|
|
static ULONGLONG cpuHz = 1000000000; /* default to a 1GHz */
|
|
|
|
static void create_registry_keys( const SYSTEM_INFO *info )
|
|
{
|
|
static const WCHAR SystemW[] = {'M','a','c','h','i','n','e','\\',
|
|
'H','a','r','d','w','a','r','e','\\',
|
|
'D','e','s','c','r','i','p','t','i','o','n','\\',
|
|
'S','y','s','t','e','m',0};
|
|
static const WCHAR fpuW[] = {'F','l','o','a','t','i','n','g','P','o','i','n','t','P','r','o','c','e','s','s','o','r',0};
|
|
static const WCHAR cpuW[] = {'C','e','n','t','r','a','l','P','r','o','c','e','s','s','o','r',0};
|
|
static const WCHAR IdentifierW[] = {'I','d','e','n','t','i','f','i','e','r',0};
|
|
static const WCHAR SysidW[] = {'A','T',' ','c','o','m','p','a','t','i','b','l','e',0};
|
|
static const WCHAR mhzKeyW[] = {'~','M','H','z',0};
|
|
|
|
unsigned int i;
|
|
HKEY hkey, system_key, cpu_key;
|
|
OBJECT_ATTRIBUTES attr;
|
|
UNICODE_STRING nameW, valueW;
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.ObjectName = &nameW;
|
|
attr.Attributes = 0;
|
|
attr.SecurityDescriptor = NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
|
|
RtlInitUnicodeString( &nameW, SystemW );
|
|
if (NtCreateKey( &system_key, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL )) return;
|
|
|
|
RtlInitUnicodeString( &valueW, IdentifierW );
|
|
NtSetValueKey( system_key, &valueW, 0, REG_SZ, SysidW, (strlenW(SysidW)+1) * sizeof(WCHAR) );
|
|
|
|
attr.RootDirectory = system_key;
|
|
RtlInitUnicodeString( &nameW, fpuW );
|
|
if (!NtCreateKey( &hkey, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL )) NtClose( hkey );
|
|
|
|
RtlInitUnicodeString( &nameW, cpuW );
|
|
if (!NtCreateKey( &cpu_key, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL ))
|
|
{
|
|
for (i = 0; i < info->dwNumberOfProcessors; i++)
|
|
{
|
|
char num[10], id[20];
|
|
|
|
attr.RootDirectory = cpu_key;
|
|
sprintf( num, "%d", i );
|
|
RtlCreateUnicodeStringFromAsciiz( &nameW, num );
|
|
if (!NtCreateKey( &hkey, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL ))
|
|
{
|
|
WCHAR idW[20];
|
|
DWORD cpuMHz = cpuHz / 1000000;
|
|
|
|
sprintf( id, "CPU %ld", info->dwProcessorType );
|
|
RtlMultiByteToUnicodeN( idW, sizeof(idW), NULL, id, strlen(id)+1 );
|
|
NtSetValueKey( hkey, &valueW, 0, REG_SZ, idW, (strlenW(idW)+1)*sizeof(WCHAR) );
|
|
|
|
RtlInitUnicodeString( &valueW, mhzKeyW );
|
|
NtSetValueKey( hkey, &valueW, 0, REG_DWORD, &cpuMHz, sizeof(DWORD) );
|
|
NtClose( hkey );
|
|
}
|
|
RtlFreeUnicodeString( &nameW );
|
|
}
|
|
NtClose( cpu_key );
|
|
}
|
|
NtClose( system_key );
|
|
}
|
|
|
|
/****************************************************************************
|
|
* QueryPerformanceCounter (KERNEL32.@)
|
|
*
|
|
* Get the current value of the performance counter.
|
|
*
|
|
* PARAMS
|
|
* counter [O] Destination for the current counter reading
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE. counter contains the current reading
|
|
* Failure: FALSE.
|
|
*
|
|
* SEE ALSO
|
|
* See QueryPerformanceFrequency.
|
|
*/
|
|
BOOL WINAPI QueryPerformanceCounter(PLARGE_INTEGER counter)
|
|
{
|
|
LARGE_INTEGER frequency;
|
|
NtQueryPerformanceCounter( counter, &frequency );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
* QueryPerformanceFrequency (KERNEL32.@)
|
|
*
|
|
* Get the resolution of the performace counter.
|
|
*
|
|
* PARAMS
|
|
* frequency [O] Destination for the counter resolution
|
|
*
|
|
* RETURNS
|
|
* Success. TRUE. Frequency contains the resolution of the counter.
|
|
* Failure: FALSE.
|
|
*
|
|
* SEE ALSO
|
|
* See QueryPerformanceCounter.
|
|
*/
|
|
BOOL WINAPI QueryPerformanceFrequency(PLARGE_INTEGER frequency)
|
|
{
|
|
LARGE_INTEGER counter;
|
|
NtQueryPerformanceCounter( &counter, frequency );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetSystemInfo [KERNEL32.@]
|
|
*
|
|
* Get information about the system.
|
|
*
|
|
* RETURNS
|
|
* Nothing.
|
|
*
|
|
* NOTES
|
|
* On the first call it creates cached values, so it doesn't have to determine
|
|
* them repeatedly. On Linux, the "/proc/cpuinfo" special file is used.
|
|
*
|
|
* It creates a registry subhierarchy, looking like:
|
|
* "\HARDWARE\DESCRIPTION\System\CentralProcessor\<processornumber>\Identifier (CPU x86)".
|
|
* Note that there is a hierarchy for every processor installed, so this
|
|
* supports multiprocessor systems. This is done like Win95 does it, I think.
|
|
*
|
|
* It also creates a cached flag array for IsProcessorFeaturePresent().
|
|
*/
|
|
VOID WINAPI GetSystemInfo(
|
|
LPSYSTEM_INFO si /* [out] Destination for system information, may not be NULL */)
|
|
{
|
|
static int cache = 0;
|
|
static SYSTEM_INFO cachedsi;
|
|
|
|
TRACE("si=0x%p\n", si);
|
|
if (cache) {
|
|
memcpy(si,&cachedsi,sizeof(*si));
|
|
return;
|
|
}
|
|
memset(PF,0,sizeof(PF));
|
|
|
|
/* choose sensible defaults ...
|
|
* FIXME: perhaps overrideable with precompiler flags?
|
|
*/
|
|
cachedsi.u.s.wProcessorArchitecture = PROCESSOR_ARCHITECTURE_INTEL;
|
|
cachedsi.dwPageSize = getpagesize();
|
|
|
|
/* FIXME: the two entries below should be computed somehow... */
|
|
cachedsi.lpMinimumApplicationAddress = (void *)0x00010000;
|
|
cachedsi.lpMaximumApplicationAddress = (void *)0x7FFFFFFF;
|
|
cachedsi.dwActiveProcessorMask = 1;
|
|
cachedsi.dwNumberOfProcessors = 1;
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.dwAllocationGranularity = 0x10000;
|
|
cachedsi.wProcessorLevel = 5; /* 586 */
|
|
cachedsi.wProcessorRevision = 0;
|
|
|
|
cache = 1; /* even if there is no more info, we now have a cacheentry */
|
|
memcpy(si,&cachedsi,sizeof(*si));
|
|
|
|
/* Hmm, reasonable processor feature defaults? */
|
|
|
|
#ifdef linux
|
|
{
|
|
char line[200];
|
|
FILE *f = fopen ("/proc/cpuinfo", "r");
|
|
|
|
if (!f)
|
|
return;
|
|
while (fgets(line,200,f)!=NULL) {
|
|
char *s,*value;
|
|
|
|
/* NOTE: the ':' is the only character we can rely on */
|
|
if (!(value = strchr(line,':')))
|
|
continue;
|
|
|
|
/* terminate the valuename */
|
|
s = value - 1;
|
|
while ((s >= line) && ((*s == ' ') || (*s == '\t'))) s--;
|
|
*(s + 1) = '\0';
|
|
|
|
/* and strip leading spaces from value */
|
|
value += 1;
|
|
while (*value==' ') value++;
|
|
if ((s=strchr(value,'\n')))
|
|
*s='\0';
|
|
|
|
/* 2.1 method */
|
|
if (!strcasecmp(line, "cpu family")) {
|
|
if (isdigit (value[0])) {
|
|
switch (value[0] - '0') {
|
|
case 3: cachedsi.dwProcessorType = PROCESSOR_INTEL_386;
|
|
cachedsi.wProcessorLevel= 3;
|
|
break;
|
|
case 4: cachedsi.dwProcessorType = PROCESSOR_INTEL_486;
|
|
cachedsi.wProcessorLevel= 4;
|
|
break;
|
|
case 5: cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel= 5;
|
|
break;
|
|
case 6: cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel= 6;
|
|
break;
|
|
case 1: /* two-figure levels */
|
|
if (value[1] == '5')
|
|
{
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel= 6;
|
|
break;
|
|
}
|
|
/* fall through */
|
|
default:
|
|
FIXME("unknown cpu family '%s', please report ! (-> setting to 386)\n", value);
|
|
break;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
/* old 2.0 method */
|
|
if (!strcasecmp(line, "cpu")) {
|
|
if ( isdigit (value[0]) && value[1] == '8' &&
|
|
value[2] == '6' && value[3] == 0
|
|
) {
|
|
switch (value[0] - '0') {
|
|
case 3: cachedsi.dwProcessorType = PROCESSOR_INTEL_386;
|
|
cachedsi.wProcessorLevel= 3;
|
|
break;
|
|
case 4: cachedsi.dwProcessorType = PROCESSOR_INTEL_486;
|
|
cachedsi.wProcessorLevel= 4;
|
|
break;
|
|
case 5: cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel= 5;
|
|
break;
|
|
case 6: cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel= 6;
|
|
break;
|
|
default:
|
|
FIXME("unknown Linux 2.0 cpu family '%s', please report ! (-> setting to 386)\n", value);
|
|
break;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
if (!strcasecmp(line,"fdiv_bug")) {
|
|
if (!strncasecmp(value,"yes",3))
|
|
PF[PF_FLOATING_POINT_PRECISION_ERRATA] = TRUE;
|
|
|
|
continue;
|
|
}
|
|
if (!strcasecmp(line,"fpu")) {
|
|
if (!strncasecmp(value,"no",2))
|
|
PF[PF_FLOATING_POINT_EMULATED] = TRUE;
|
|
|
|
continue;
|
|
}
|
|
if (!strcasecmp(line,"processor")) {
|
|
/* processor number counts up... */
|
|
unsigned int x;
|
|
|
|
if (sscanf(value,"%d",&x))
|
|
if (x+1>cachedsi.dwNumberOfProcessors)
|
|
cachedsi.dwNumberOfProcessors=x+1;
|
|
|
|
continue;
|
|
}
|
|
if (!strcasecmp(line,"stepping")) {
|
|
int x;
|
|
|
|
if (sscanf(value,"%d",&x))
|
|
cachedsi.wProcessorRevision = x;
|
|
|
|
continue;
|
|
}
|
|
if (!strcasecmp(line, "cpu MHz")) {
|
|
double cmz;
|
|
if (sscanf( value, "%lf", &cmz ) == 1) {
|
|
/* SYSTEMINFO doesn't have a slot for cpu speed, so store in a global */
|
|
cpuHz = cmz * 1000 * 1000;
|
|
TRACE("CPU speed read as %lld\n", cpuHz);
|
|
}
|
|
continue;
|
|
}
|
|
if ( !strcasecmp(line,"flags") ||
|
|
!strcasecmp(line,"features")
|
|
) {
|
|
if (strstr(value,"cx8"))
|
|
PF[PF_COMPARE_EXCHANGE_DOUBLE] = TRUE;
|
|
if (strstr(value,"mmx"))
|
|
PF[PF_MMX_INSTRUCTIONS_AVAILABLE] = TRUE;
|
|
if (strstr(value,"tsc"))
|
|
PF[PF_RDTSC_INSTRUCTION_AVAILABLE] = TRUE;
|
|
if (strstr(value,"3dnow"))
|
|
PF[PF_3DNOW_INSTRUCTIONS_AVAILABLE] = TRUE;
|
|
/* This will also catch sse2, but we have sse itself
|
|
* if we have sse2, so no problem */
|
|
if (strstr(value,"sse"))
|
|
PF[PF_XMMI_INSTRUCTIONS_AVAILABLE] = TRUE;
|
|
if (strstr(value,"sse2"))
|
|
PF[PF_XMMI64_INSTRUCTIONS_AVAILABLE] = TRUE;
|
|
if (strstr(value,"pae"))
|
|
PF[PF_PAE_ENABLED] = TRUE;
|
|
|
|
continue;
|
|
}
|
|
}
|
|
fclose (f);
|
|
}
|
|
memcpy(si,&cachedsi,sizeof(*si));
|
|
#elif defined (__NetBSD__)
|
|
{
|
|
int mib[2];
|
|
int value[2];
|
|
char model[256];
|
|
char *cpuclass;
|
|
FILE *f = fopen ("/var/run/dmesg.boot", "r");
|
|
|
|
/* first deduce as much as possible from the sysctls */
|
|
mib[0] = CTL_MACHDEP;
|
|
#ifdef CPU_FPU_PRESENT
|
|
mib[1] = CPU_FPU_PRESENT;
|
|
value[1] = sizeof(int);
|
|
if (sysctl(mib, 2, value, value+1, NULL, 0) >= 0)
|
|
if (value) PF[PF_FLOATING_POINT_EMULATED] = FALSE;
|
|
else PF[PF_FLOATING_POINT_EMULATED] = TRUE;
|
|
#endif
|
|
#ifdef CPU_SSE
|
|
mib[1] = CPU_SSE; /* this should imply MMX */
|
|
value[1] = sizeof(int);
|
|
if (sysctl(mib, 2, value, value+1, NULL, 0) >= 0)
|
|
if (value) PF[PF_MMX_INSTRUCTIONS_AVAILABLE] = TRUE;
|
|
#endif
|
|
#ifdef CPU_SSE2
|
|
mib[1] = CPU_SSE2; /* this should imply MMX */
|
|
value[1] = sizeof(int);
|
|
if (sysctl(mib, 2, value, value+1, NULL, 0) >= 0)
|
|
if (value) PF[PF_MMX_INSTRUCTIONS_AVAILABLE] = TRUE;
|
|
#endif
|
|
mib[0] = CTL_HW;
|
|
mib[1] = HW_NCPU;
|
|
value[1] = sizeof(int);
|
|
if (sysctl(mib, 2, value, value+1, NULL, 0) >= 0)
|
|
if (value[0] > cachedsi.dwNumberOfProcessors)
|
|
cachedsi.dwNumberOfProcessors = value[0];
|
|
mib[1] = HW_MODEL;
|
|
value[1] = 255;
|
|
if (sysctl(mib, 2, model, value+1, NULL, 0) >= 0) {
|
|
model[value[1]] = '\0'; /* just in case */
|
|
cpuclass = strstr(model, "-class");
|
|
if (cpuclass != NULL) {
|
|
while(cpuclass > model && cpuclass[0] != '(') cpuclass--;
|
|
if (!strncmp(cpuclass+1, "386", 3)) {
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_386;
|
|
cachedsi.wProcessorLevel= 3;
|
|
}
|
|
if (!strncmp(cpuclass+1, "486", 3)) {
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_486;
|
|
cachedsi.wProcessorLevel= 4;
|
|
}
|
|
if (!strncmp(cpuclass+1, "586", 3)) {
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel= 5;
|
|
}
|
|
if (!strncmp(cpuclass+1, "686", 3)) {
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel= 6;
|
|
/* this should imply MMX */
|
|
PF[PF_MMX_INSTRUCTIONS_AVAILABLE] = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* it may be worth reading from /var/run/dmesg.boot for
|
|
additional information such as CX8, MMX and TSC
|
|
(however this information should be considered less
|
|
reliable than that from the sysctl calls) */
|
|
if (f != NULL)
|
|
{
|
|
while (fgets(model, 255, f) != NULL) {
|
|
if (sscanf(model,"cpu%d: features %x<", value, value+1) == 2) {
|
|
/* we could scan the string but it is easier
|
|
to test the bits directly */
|
|
if (value[1] & 0x1)
|
|
PF[PF_FLOATING_POINT_EMULATED] = TRUE;
|
|
if (value[1] & 0x10)
|
|
PF[PF_RDTSC_INSTRUCTION_AVAILABLE] = TRUE;
|
|
if (value[1] & 0x100)
|
|
PF[PF_COMPARE_EXCHANGE_DOUBLE] = TRUE;
|
|
if (value[1] & 0x800000)
|
|
PF[PF_MMX_INSTRUCTIONS_AVAILABLE] = TRUE;
|
|
|
|
break;
|
|
}
|
|
}
|
|
fclose(f);
|
|
}
|
|
|
|
}
|
|
memcpy(si,&cachedsi,sizeof(*si));
|
|
#elif defined(__FreeBSD__)
|
|
{
|
|
unsigned int regs[4], regs2[4];
|
|
int ret, len, num;
|
|
if (!have_cpuid())
|
|
regs[0] = 0; /* No cpuid support -- skip the rest */
|
|
else
|
|
do_cpuid(0x00000000, regs); /* get standard cpuid level and vendor name */
|
|
if (regs[0]>=0x00000001) { /* Check for supported cpuid version */
|
|
do_cpuid(0x00000001, regs2); /* get cpu features */
|
|
switch ((regs2[0] >> 8)&0xf) { /* cpu family */
|
|
case 3: cachedsi.dwProcessorType = PROCESSOR_INTEL_386;
|
|
cachedsi.wProcessorLevel = 3;
|
|
break;
|
|
case 4: cachedsi.dwProcessorType = PROCESSOR_INTEL_486;
|
|
cachedsi.wProcessorLevel = 4;
|
|
break;
|
|
case 5:
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel = 5;
|
|
break;
|
|
case 6:
|
|
case 15: /* PPro/2/3/4 has same info as P1 */
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel = 6;
|
|
break;
|
|
default:
|
|
FIXME("unknown FreeBSD cpu family %d, please report! (-> setting to 386)\n", \
|
|
(regs2[0] >> 8)&0xf);
|
|
break;
|
|
}
|
|
PF[PF_FLOATING_POINT_EMULATED] = !(regs2[3] & 1);
|
|
PF[PF_RDTSC_INSTRUCTION_AVAILABLE] = (regs2[3] & (1 << 4 )) >> 4;
|
|
PF[PF_COMPARE_EXCHANGE_DOUBLE] = (regs2[3] & (1 << 8 )) >> 8;
|
|
PF[PF_MMX_INSTRUCTIONS_AVAILABLE] = (regs2[3] & (1 << 23)) >> 23;
|
|
/* Check for OS support of SSE -- Is this used, and should it be sse1 or sse2? */
|
|
/*len = sizeof(num);
|
|
ret = sysctlbyname("hw.instruction_sse", &num, &len, NULL, 0);
|
|
if (!ret)
|
|
PF[PF_XMMI_INSTRUCTIONS_AVAILABLE] = num;*/
|
|
|
|
if (regs[1] == AUTH &&
|
|
regs[3] == ENTI &&
|
|
regs[2] == CAMD) {
|
|
do_cpuid(0x80000000, regs); /* get vendor cpuid level */
|
|
if (regs[0]>=0x80000001) {
|
|
do_cpuid(0x80000001, regs2); /* get vendor features */
|
|
PF[PF_3DNOW_INSTRUCTIONS_AVAILABLE] =
|
|
(regs2[3] & (1 << 31 )) >> 31;
|
|
}
|
|
}
|
|
}
|
|
len = sizeof(num);
|
|
ret = sysctlbyname("hw.ncpu", &num, &len, NULL, 0);
|
|
if (!ret)
|
|
cachedsi.dwNumberOfProcessors = num;
|
|
}
|
|
memcpy(si,&cachedsi,sizeof(*si));
|
|
#elif defined (__APPLE__)
|
|
{
|
|
size_t valSize;
|
|
unsigned long long longVal;
|
|
int value;
|
|
int cputype;
|
|
|
|
valSize = sizeof(int);
|
|
if (sysctlbyname ("hw.optional.floatingpoint", &value, &valSize, NULL, 0) == 0)
|
|
{
|
|
if (value)
|
|
PF[PF_FLOATING_POINT_EMULATED] = FALSE;
|
|
else
|
|
PF[PF_FLOATING_POINT_EMULATED] = TRUE;
|
|
}
|
|
valSize = sizeof(int);
|
|
if (sysctlbyname ("hw.ncpu", &value, &valSize, NULL, 0) == 0)
|
|
cachedsi.dwNumberOfProcessors = value;
|
|
|
|
valSize = sizeof(int);
|
|
if (sysctlbyname ("hw.activecpu", &value, &valSize, NULL, 0) == 0)
|
|
cachedsi.dwActiveProcessorMask = value;
|
|
|
|
valSize = sizeof(int);
|
|
if (sysctlbyname ("hw.cputype", &cputype, &valSize, NULL, 0) == 0)
|
|
{
|
|
valSize = sizeof(int);
|
|
if (sysctlbyname ("hw.cpusubtype", &value, &valSize, NULL, 0) == 0)
|
|
{
|
|
switch (cputype)
|
|
{
|
|
case CPU_TYPE_POWERPC:
|
|
cachedsi.u.s.wProcessorArchitecture = PROCESSOR_ARCHITECTURE_PPC;
|
|
switch (value)
|
|
{
|
|
case CPU_SUBTYPE_POWERPC_601:
|
|
case CPU_SUBTYPE_POWERPC_602:
|
|
cachedsi.dwProcessorType = PROCESSOR_PPC_601;
|
|
cachedsi.wProcessorLevel = 1;
|
|
break;
|
|
case CPU_SUBTYPE_POWERPC_603:
|
|
cachedsi.dwProcessorType = PROCESSOR_PPC_603;
|
|
cachedsi.wProcessorLevel = 3;
|
|
break;
|
|
case CPU_SUBTYPE_POWERPC_603e:
|
|
case CPU_SUBTYPE_POWERPC_603ev:
|
|
cachedsi.dwProcessorType = PROCESSOR_PPC_603;
|
|
cachedsi.wProcessorLevel = 6;
|
|
break;
|
|
case CPU_SUBTYPE_POWERPC_604:
|
|
cachedsi.dwProcessorType = PROCESSOR_PPC_604;
|
|
cachedsi.wProcessorLevel = 4;
|
|
break;
|
|
case CPU_SUBTYPE_POWERPC_604e:
|
|
cachedsi.dwProcessorType = PROCESSOR_PPC_604;
|
|
cachedsi.wProcessorLevel = 9;
|
|
break;
|
|
case CPU_SUBTYPE_POWERPC_620:
|
|
cachedsi.dwProcessorType = PROCESSOR_PPC_620;
|
|
cachedsi.wProcessorLevel = 20;
|
|
break;
|
|
case CPU_SUBTYPE_POWERPC_750:
|
|
case CPU_SUBTYPE_POWERPC_7400:
|
|
case CPU_SUBTYPE_POWERPC_7450:
|
|
/* G3/G4 derivate from 603 so ... */
|
|
cachedsi.dwProcessorType = PROCESSOR_PPC_603;
|
|
cachedsi.wProcessorLevel = 6;
|
|
break;
|
|
case CPU_SUBTYPE_POWERPC_970:
|
|
cachedsi.dwProcessorType = PROCESSOR_PPC_604;
|
|
cachedsi.wProcessorLevel = 9;
|
|
/* :o) PF[PF_ALTIVEC_INSTRUCTIONS_AVAILABLE] ;-) */
|
|
break;
|
|
default: break;
|
|
}
|
|
break; /* CPU_TYPE_POWERPC */
|
|
case CPU_TYPE_I386:
|
|
cachedsi.u.s.wProcessorArchitecture = PROCESSOR_ARCHITECTURE_INTEL;
|
|
switch (value)
|
|
{
|
|
case CPU_SUBTYPE_386:
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_386;
|
|
cachedsi.wProcessorLevel = 3;
|
|
break;
|
|
case CPU_SUBTYPE_486:
|
|
case CPU_SUBTYPE_486SX:
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_486;
|
|
cachedsi.wProcessorLevel = 4;
|
|
break;
|
|
case CPU_SUBTYPE_586:
|
|
case CPU_SUBTYPE_PENTPRO:
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel = 5;
|
|
break;
|
|
case CPU_SUBTYPE_PENTII_M3:
|
|
case CPU_SUBTYPE_PENTII_M5:
|
|
cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
|
|
cachedsi.wProcessorLevel = 5;
|
|
/* this should imply MMX */
|
|
PF[PF_MMX_INSTRUCTIONS_AVAILABLE] = TRUE;
|
|
break;
|
|
default: break;
|
|
}
|
|
break; /* CPU_TYPE_I386 */
|
|
default: break;
|
|
} /* switch (cputype) */
|
|
}
|
|
}
|
|
valSize = sizeof(longVal);
|
|
if (!sysctlbyname("hw.cpufrequency", &longVal, &valSize, NULL, 0))
|
|
cpuHz = longVal;
|
|
}
|
|
memcpy(si,&cachedsi,sizeof(*si));
|
|
#else
|
|
FIXME("not yet supported on this system\n");
|
|
#endif
|
|
TRACE("<- CPU arch %d, res'd %d, pagesize %ld, minappaddr %p, maxappaddr %p,"
|
|
" act.cpumask %08lx, numcpus %ld, CPU type %ld, allocgran. %ld, CPU level %d, CPU rev %d\n",
|
|
si->u.s.wProcessorArchitecture, si->u.s.wReserved, si->dwPageSize,
|
|
si->lpMinimumApplicationAddress, si->lpMaximumApplicationAddress,
|
|
si->dwActiveProcessorMask, si->dwNumberOfProcessors, si->dwProcessorType,
|
|
si->dwAllocationGranularity, si->wProcessorLevel, si->wProcessorRevision);
|
|
|
|
create_registry_keys( &cachedsi );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* IsProcessorFeaturePresent [KERNEL32.@]
|
|
*
|
|
* Determine if the cpu supports a given feature.
|
|
*
|
|
* RETURNS
|
|
* TRUE, If the processor supports feature,
|
|
* FALSE otherwise.
|
|
*/
|
|
BOOL WINAPI IsProcessorFeaturePresent (
|
|
DWORD feature /* [in] Feature number, (PF_ constants from "winnt.h") */)
|
|
{
|
|
SYSTEM_INFO si;
|
|
GetSystemInfo (&si); /* To ensure the information is loaded and cached */
|
|
|
|
if (feature < 64)
|
|
return PF[feature];
|
|
else
|
|
return FALSE;
|
|
}
|