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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
/*****************************************************************************
*
* $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Private/Win32/pnUtW32Misc.cpp
*
***/
#include "../../Pch.h"
#pragma hdrstop
/*****************************************************************************
*
* Private
*
***/
static MEMORYSTATUSEX s_memstatus;
/*****************************************************************************
*
* Exports
*
***/
//============================================================================
const wchar * AppGetCommandLine () {
return GetCommandLineW();
}
//============================================================================
void MachineGetName (wchar *computerName, unsigned int length) {
DWORD len = length;
GetComputerNameW(computerName, &len);
}
/*****************************************************************************
*
* System status
*
***/
//============================================================================
void MemoryGetStatus (MemoryStatus * status) {
MEMORYSTATUSEX mem;
mem.dwLength = sizeof(mem);
GlobalMemoryStatusEx(&mem);
const qword BYTES_PER_MB = 1024 * 1024;
status->totalPhysMB = unsigned(mem.ullTotalPhys / BYTES_PER_MB);
status->availPhysMB = unsigned(mem.ullAvailPhys / BYTES_PER_MB);
status->totalPageFileMB = unsigned(mem.ullTotalPageFile / BYTES_PER_MB);
status->availPageFileMB = unsigned(mem.ullAvailPageFile / BYTES_PER_MB);
status->totalVirtualMB = unsigned(mem.ullTotalVirtual / BYTES_PER_MB);
status->availVirtualMB = unsigned(mem.ullAvailVirtual / BYTES_PER_MB);
status->memoryLoad = mem.dwMemoryLoad;
}
//============================================================================
void DiskGetStatus (ARRAY(DiskStatus) * disks) {
for (;;) {
DWORD length = GetLogicalDriveStrings(0, NULL);
if (!length || length > 2048)
break;
wchar * buffer = ALLOCA(wchar, length + 1);
if (!GetLogicalDriveStringsW(length, buffer))
break;
for (; *buffer; buffer += StrLen(buffer) + 1) {
UINT driveType = GetDriveTypeW(buffer);
if (driveType != DRIVE_FIXED)
continue;
ULARGE_INTEGER freeBytes;
ULARGE_INTEGER totalBytes;
if (!GetDiskFreeSpaceExW(buffer, &freeBytes, &totalBytes, NULL))
continue;
DiskStatus status;
StrCopy(status.name, buffer, arrsize(status.name));
const qword BYTES_PER_MB = 1024 * 1024;
status.totalSpaceMB = unsigned(totalBytes.QuadPart / BYTES_PER_MB);
status.freeSpaceMB = unsigned(freeBytes.QuadPart / BYTES_PER_MB);
disks->Add(status);
}
break;
}
}
//============================================================================
// Loosely taken from MS's cpuid code sample
void CpuGetInfo (
word * cpuCaps,
dword * cpuVendor,
word * cpuSignature
) {
dword signature = 0;
dword extended = 0;
dword flags[2] = { 0, 0 };
cpuVendor[0] = 0;
_asm {
// Detect if cpuid instruction is supported by attempting
// to change the ID bit of EFLAGS
pushfd
pop eax // get EFLAGS
mov ecx, eax // store copy of original EFLAGS
xor eax, 0x200000 // flip ID bit
push eax
popfd // replace EFLAGS
pushfd // get EFLAGS
pop eax
xor eax, ecx
je DONE
// Get processor id (GenuineIntel, AuthenticAMD, etc)
xor eax, eax
cpuid
mov edi, cpuVendor
mov [edi + 0], ebx
mov [edi + 4], edx
mov [edi + 8], ecx
// Check if capability flags are supported
cmp eax, 1
jl DONE
// Get processor capability flags and signature
mov eax, 1
cpuid
mov signature, eax
mov [flags + 0], edx
mov [flags + 4], ecx
// Check for extended capabilities
mov eax, 0x80000000
cpuid
cmp eax, 0x80000001
jl DONE
// Get extended capabilities
mov eax, 0x80000001
cpuid
mov extended, edx
DONE:
}
// Decode capability flags
const static struct CpuCap {
word cpuFlag;
byte field;
byte bit;
} s_caps[] = {
// feature field bit
// ------- ----- ---
{ kCpuCapCmov, 0, 15 },
{ kCpuCapEst, 1, 7 },
{ kCpuCapHtt, 0, 28 },
{ kCpuCapMmx, 0, 23 },
{ kCpuCapPsn, 0, 18 },
{ kCpuCapSse, 0, 25 },
{ kCpuCapSse2, 0, 26 },
{ kCpuCapSse3, 1, 0 },
{ kCpuCapTsc, 0, 4 },
};
for (unsigned i = 0; i < arrsize(s_caps); ++i) {
const CpuCap & cap = s_caps[i];
if (flags[cap.field] & (1 << cap.bit))
*cpuCaps |= cap.cpuFlag;
}
// Copy signature
*cpuSignature = word(signature & 0xfff);
// If this is an AMD CPU, check for 3DNow support
const char * vendorAmd = "AuthenticAMD";
if (!MemCmp(vendorAmd, cpuVendor, 12)) {
if (extended & (1 << 31))
*cpuCaps |= kCpuCap3dNow;
}
}