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Sweden-Number/dlls/kernel32/cpu.c

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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 "ddk/wdm.h"
#include "wine/unicode.h"
#include "kernel_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(reg);
/****************************************************************************
* 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.
*/
VOID WINAPI GetSystemInfo(
LPSYSTEM_INFO si /* [out] Destination for system information, may not be NULL */)
{
NTSTATUS nts;
SYSTEM_CPU_INFORMATION sci;
TRACE("si=0x%p\n", si);
if ((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 = system_info.PageSize;
si->lpMinimumApplicationAddress = system_info.LowestUserAddress;
si->lpMaximumApplicationAddress = system_info.HighestUserAddress;
si->dwActiveProcessorMask = system_info.ActiveProcessorsAffinityMask;
si->dwNumberOfProcessors = system_info.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;
case PROCESSOR_ARCHITECTURE_ARM64:
si->dwProcessorType = 0;
break;
default:
FIXME("Unknown processor architecture %x\n", sci.Architecture);
si->dwProcessorType = 0;
}
si->dwAllocationGranularity = system_info.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.
*/
BOOL WINAPI IsProcessorFeaturePresent ( DWORD feature )
{
return RtlIsProcessorFeaturePresent( feature );
}
/***********************************************************************
* K32GetPerformanceInfo (KERNEL32.@)
*/
BOOL WINAPI K32GetPerformanceInfo(PPERFORMANCE_INFORMATION info, DWORD size)
{
SYSTEM_PERFORMANCE_INFORMATION perf;
SYSTEM_BASIC_INFORMATION basic;
SYSTEM_PROCESS_INFORMATION *process, *spi;
DWORD info_size;
NTSTATUS status;
TRACE( "(%p, %d)\n", info, size );
if (size < sizeof(*info))
{
SetLastError( ERROR_BAD_LENGTH );
return FALSE;
}
status = NtQuerySystemInformation( SystemPerformanceInformation, &perf, sizeof(perf), NULL );
if (status) goto err;
status = NtQuerySystemInformation( SystemBasicInformation, &basic, sizeof(basic), NULL );
if (status) goto err;
info->cb = sizeof(*info);
info->CommitTotal = perf.TotalCommittedPages;
info->CommitLimit = perf.TotalCommitLimit;
info->CommitPeak = perf.PeakCommitment;
info->PhysicalTotal = basic.MmNumberOfPhysicalPages;
info->PhysicalAvailable = perf.AvailablePages;
info->SystemCache = 0;
info->KernelTotal = perf.PagedPoolUsage + perf.NonPagedPoolUsage;
info->KernelPaged = perf.PagedPoolUsage;
info->KernelNonpaged = perf.NonPagedPoolUsage;
info->PageSize = basic.PageSize;
/* fields from SYSTEM_PROCESS_INFORMATION */
NtQuerySystemInformation( SystemProcessInformation, NULL, 0, &info_size );
for (;;)
{
process = HeapAlloc( GetProcessHeap(), 0, info_size );
if (!process)
{
SetLastError( ERROR_OUTOFMEMORY );
return FALSE;
}
status = NtQuerySystemInformation( SystemProcessInformation, process, info_size, &info_size );
if (!status) break;
HeapFree( GetProcessHeap(), 0, process );
if (status != STATUS_INFO_LENGTH_MISMATCH)
goto err;
}
info->HandleCount = info->ProcessCount = info->ThreadCount = 0;
spi = process;
for (;;)
{
info->ProcessCount++;
info->HandleCount += spi->HandleCount;
info->ThreadCount += spi->dwThreadCount;
if (spi->NextEntryOffset == 0) break;
spi = (SYSTEM_PROCESS_INFORMATION *)((char *)spi + spi->NextEntryOffset);
}
HeapFree( GetProcessHeap(), 0, process );
return TRUE;
err:
SetLastError( RtlNtStatusToDosError( status ) );
return FALSE;
}
/***********************************************************************
* GetLargePageMinimum (KERNEL32.@)
*/
SIZE_T WINAPI GetLargePageMinimum(void)
{
#if defined(__i386__) || defined(__x86_64__) || defined(__arm__)
return 2 * 1024 * 1024;
#endif
FIXME("Not implemented on your platform/architecture.\n");
return 0;
}
/***********************************************************************
* GetActiveProcessorGroupCount (KERNEL32.@)
*/
WORD WINAPI GetActiveProcessorGroupCount(void)
{
FIXME("semi-stub, always returning 1\n");
return 1;
}
/***********************************************************************
* GetActiveProcessorCount (KERNEL32.@)
*/
DWORD WINAPI GetActiveProcessorCount(WORD group)
{
SYSTEM_INFO si;
DWORD cpus;
GetSystemInfo( &si );
cpus = si.dwNumberOfProcessors;
FIXME("semi-stub, returning %u\n", cpus);
return cpus;
}
/***********************************************************************
* GetMaximumProcessorCount (KERNEL32.@)
*/
DWORD WINAPI GetMaximumProcessorCount(WORD group)
{
SYSTEM_INFO si;
DWORD cpus;
GetSystemInfo( &si );
cpus = si.dwNumberOfProcessors;
FIXME("semi-stub, returning %u\n", cpus);
return cpus;
}
/***********************************************************************
* GetEnabledXStateFeatures (KERNEL32.@)
*/
DWORD64 WINAPI GetEnabledXStateFeatures(void)
{
FIXME("\n");
return 0;
}
/***********************************************************************
* GetSystemFirmwareTable (KERNEL32.@)
*/
UINT WINAPI GetSystemFirmwareTable(DWORD provider, DWORD id, void *buffer, DWORD size)
{
ULONG buffer_size = FIELD_OFFSET(SYSTEM_FIRMWARE_TABLE_INFORMATION, TableBuffer) + size;
SYSTEM_FIRMWARE_TABLE_INFORMATION *sfti = HeapAlloc(GetProcessHeap(), 0, buffer_size);
NTSTATUS status;
TRACE("(0x%08x, 0x%08x, %p, %d)\n", provider, id, buffer, size);
if (!sfti)
{
SetLastError(ERROR_OUTOFMEMORY);
return 0;
}
sfti->ProviderSignature = provider;
sfti->Action = SystemFirmwareTable_Get;
sfti->TableID = id;
status = NtQuerySystemInformation(SystemFirmwareTableInformation, sfti, buffer_size, &buffer_size);
buffer_size -= FIELD_OFFSET(SYSTEM_FIRMWARE_TABLE_INFORMATION, TableBuffer);
if (buffer_size <= size)
memcpy(buffer, sfti->TableBuffer, buffer_size);
if (status) SetLastError(RtlNtStatusToDosError(status));
HeapFree(GetProcessHeap(), 0, sfti);
return buffer_size;
}
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