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Core: CpuHypervisor

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git-svn-id: svn://ultimatepp.org/upp/trunk@11387 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2017-10-17 16:00:37 +00:00
parent b2ff8b33cd
commit 3eaadf060e
2 changed files with 19 additions and 11 deletions
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24
uppsrc/Core/Cpu.cpp
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@ -1,10 +1,14 @@
#include "Core.h"
#include "cpuid.h"
namespace Upp {
#ifdef CPU_X86
#ifdef COMPILER_MSC
#include <intrin.h>
#else
#include <cpuid.h>
#endif
static bool sHasMMX;
static bool sHasSSE;
static bool sHasSSE2;
@ -16,17 +20,15 @@ static void sCheckCPU()
static bool done;
if(done) return;
done = true;
unsigned int eax, ebx, ecx, edx;
ONCELOCK {
unsigned int eax, ebx, ecx, edx;
#ifdef COMPILER_MSC
dword info1;
dword info2;
__asm {
mov eax, 1
cpuid
mov info1, edx
mov info2, ecx
}
int cpuInfo[4];
__cpuid(cpuInfo, 1);
eax = cpuInfo[0];
ebx = cpuInfo[1];
ecx = cpuInfo[2];
edx = cpuInfo[3];
#else
__get_cpuid(1, &eax, &ebx, &ecx, &edx);
#endif

6
uppsrc/Core/src.tpp/AppEnv$en-us.tpp
View file

@ -225,6 +225,12 @@ last argument [%-*@3 def].&]
[s2;%% Returns true if CPU has SSE3 support.&]
[s3; &]
[s4; &]
[s5;:Upp`:`:CpuHypervisor`(`): [@(0.0.255) bool]_[* CpuHypervisor]()&]
[s2;%% Checks whether CPU has hypervisor flag set. If it has, the
program is running in virtual machine. Unfortunately, opposite
is not true `- some VMs run without this flag set.&]
[s3; &]
[s4; &]
[s5;:CPU`_Cores`(`): [@(0.0.255) int]_[* CPU`_Cores]()&]
[s2;%% Returns the number of cores the CPU has.&]
[s3; &]