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/*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.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 "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winnt.h"
#include "winternl.h"
#include "psapi.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "ddk/wdm.h"
WINE_DEFAULT_DEBUG_CHANNEL(reg);
#define SHARED_DATA ((KSHARED_USER_DATA*)0x7ffe0000)
/****************************************************************************
* 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)
{
NtQueryPerformanceCounter( counter, NULL );
return TRUE;
}
/****************************************************************************
* QueryPerformanceFrequency (KERNEL32.@)
*
* Get the resolution of the performance 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 also creates a cached flag array for IsProcessorFeaturePresent().
*/
VOID WINAPI GetSystemInfo(
LPSYSTEM_INFO si /* [out] Destination for system information, may not be NULL */)
{
NTSTATUS nts;
SYSTEM_BASIC_INFORMATION sbi;
SYSTEM_CPU_INFORMATION sci;
TRACE("si=0x%p\n", si);
if ((nts = NtQuerySystemInformation( SystemBasicInformation, &sbi, sizeof(sbi), NULL )) != STATUS_SUCCESS ||
(nts = NtQuerySystemInformation( SystemCpuInformation, &sci, sizeof(sci), NULL )) != STATUS_SUCCESS)
{
SetLastError(RtlNtStatusToDosError(nts));
return;
}
si->u.s.wProcessorArchitecture = sci.Architecture;
si->u.s.wReserved = 0;
si->dwPageSize = sbi.PageSize;
si->lpMinimumApplicationAddress = sbi.LowestUserAddress;
si->lpMaximumApplicationAddress = sbi.HighestUserAddress;
si->dwActiveProcessorMask = sbi.ActiveProcessorsAffinityMask;
si->dwNumberOfProcessors = sbi.NumberOfProcessors;
switch (sci.Architecture)
{
case PROCESSOR_ARCHITECTURE_INTEL:
switch (sci.Level)
{
case 3: si->dwProcessorType = PROCESSOR_INTEL_386; break;
case 4: si->dwProcessorType = PROCESSOR_INTEL_486; break;
case 5:
case 6: si->dwProcessorType = PROCESSOR_INTEL_PENTIUM; break;
default: si->dwProcessorType = PROCESSOR_INTEL_PENTIUM; break;
}
break;
case PROCESSOR_ARCHITECTURE_PPC:
switch (sci.Level)
{
case 1: si->dwProcessorType = PROCESSOR_PPC_601; break;
case 3:
case 6: si->dwProcessorType = PROCESSOR_PPC_603; break;
case 4: si->dwProcessorType = PROCESSOR_PPC_604; break;
case 9: si->dwProcessorType = PROCESSOR_PPC_604; break;
case 20: si->dwProcessorType = PROCESSOR_PPC_620; break;
default: si->dwProcessorType = 0;
}
break;
case PROCESSOR_ARCHITECTURE_AMD64:
si->dwProcessorType = PROCESSOR_AMD_X8664;
break;
case PROCESSOR_ARCHITECTURE_ARM:
switch (sci.Level)
{
case 4: si->dwProcessorType = PROCESSOR_ARM_7TDMI; break;
default: si->dwProcessorType = PROCESSOR_ARM920;
}
break;
default:
FIXME("Unknown processor architecture %x\n", sci.Architecture);
si->dwProcessorType = 0;
}
si->dwAllocationGranularity = sbi.AllocationGranularity;
si->wProcessorLevel = sci.Level;
si->wProcessorRevision = sci.Revision;
}
/***********************************************************************
* GetNativeSystemInfo [KERNEL32.@]
*/
VOID WINAPI GetNativeSystemInfo(
LPSYSTEM_INFO si /* [out] Destination for system information, may not be NULL */)
{
BOOL is_wow64;
GetSystemInfo(si);
IsWow64Process(GetCurrentProcess(), &is_wow64);
if (is_wow64)
{
if (si->u.s.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL)
{
si->u.s.wProcessorArchitecture = PROCESSOR_ARCHITECTURE_AMD64;
si->dwProcessorType = PROCESSOR_AMD_X8664;
}
else
{
FIXME("Add the proper information for %d in wow64 mode\n",
si->u.s.wProcessorArchitecture);
}
}
}
/***********************************************************************
* 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") */)
{
if (feature < 64)
return SHARED_DATA->ProcessorFeatures[feature];
else
return FALSE;
}
/***********************************************************************
* K32GetPerformanceInfo (KERNEL32.@)
*/
BOOL WINAPI K32GetPerformanceInfo(PPERFORMANCE_INFORMATION info, DWORD size)
{
NTSTATUS status;
TRACE( "(%p, %d)\n", info, size );
status = NtQuerySystemInformation( SystemPerformanceInformation, info, size, NULL );
if (status)
{
SetLastError( RtlNtStatusToDosError( status ) );
return FALSE;
}
return TRUE;
}
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