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changed svn layout

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git-svn-id: svn://ultimatepp.org/upp/trunk@281 f0d560ea-af0d-0410-9eb7-867de7ffcac7
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mdelfede 2008-06-07 22:31:27 +00:00
commit d2b54f7989
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146
uppsrc/Core/Cpu.cpp Normal file
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#include "Core.h"
NAMESPACE_UPP
#ifdef CPU_X86
static bool sHasMMX;
static bool sHasSSE;
static bool sHasSSE2;
static bool sHasSSE3;
static void sCheckCPU()
{
static bool done;
if(done) return;
done = true;
#ifdef PLATFORM_OSX11
// __asm__("pushl %%ebx\n\tmovl $1, %%eax\n\tcpuid\n\tpopl %%ebx" : "=d" (info1), "=c" (info2) : : "%eax");
sHasMMX = true;
sHasSSE = true;
sHasSSE2 = true;
#else
#ifdef CPU_AMD64
sHasMMX = true;
sHasSSE = true;
sHasSSE2 = true;
#else
#ifdef COMPILER_MSC
dword info1;
dword info2;
__asm {
mov eax, 1
cpuid
mov info1, edx
mov info2, ecx
}
#else
dword info1;
dword info2;
__asm__("movl $1, %%eax\n\tcpuid" : "=d" (info1), "=c" (info2) : : "%eax", "%ebx");
#endif
sHasMMX = ((info1 >> 23) & 0x1);
sHasSSE = ((info1 >> 25) & 0x1);
sHasSSE2 = ((info1 >> 26) & 0x1);
sHasSSE3 = ((info2) & 0x1);
#endif
#endif
}
INITBLOCK {
// sCheckCPU();
}
bool CpuMMX() { sCheckCPU(); return sHasMMX; }
bool CpuSSE() { sCheckCPU(); return sHasSSE; }
bool CpuSSE2() { sCheckCPU(); return sHasSSE2; }
bool CpuSSE3() { sCheckCPU(); return sHasSSE3; }
#ifdef PLATFORM_POSIX
#ifdef PLATFORM_FREEBSD
#include <unistd.h>
#else
#include <sys/sysinfo.h>
#endif
#endif
int CPU_Cores()
{
static int n;
ONCELOCK {
#ifdef PLATFORM_WIN32
#ifdef CPU_64
uint64 pa, sa;
GetProcessAffinityMask(GetCurrentProcess(), &pa, &sa);
for(int i = 0; i < 64; i++)
n += !!(sa & ((uint64)1 << i));
#else
DWORD pa, sa;
GetProcessAffinityMask(GetCurrentProcess(), &pa, &sa);
for(int i = 0; i < 32; i++)
n += !!(sa & (1 << i));
#endif
#elif defined(PLATFORM_POSIX)
#ifdef PLATFORM_FREEBSD
n = minmax((int)sysconf(_SC_NPROCESSORS_ONLN), 1, 256);
#else
n = minmax(get_nprocs(), 1, 256);
#endif
#else
n = 1;
#endif
}
return n;
}
#endif
#ifdef PLATFORM_WIN32
bool IsDecentMachine()
{
if(!IsWin2K())
return false;
MEMORYSTATUS m;
GlobalMemoryStatus(&m);
return m.dwTotalPhys > 500 * 1024 * 1024;
}
#else
bool IsDecentMachine()
{
return true;
}
#endif
#ifndef CPU_X86
int64 PeekI64(const void *ptr) {
const byte *p = (const byte *)ptr;
dword a = p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
dword b = p[4] | (p[5] << 8) | (p[6] << 16) | (p[7] << 24);
return (int64)a | ((int64)b << 32);
}
#endif
#ifndef CPU_X86
void PokeI64(void *ptr, int64 value) {
byte *p = (byte *)ptr;
p[0] = (byte)(value >> 8 * 0);
p[1] = (byte)(value >> 8 * 1);
p[2] = (byte)(value >> 8 * 2);
p[3] = (byte)(value >> 8 * 3);
p[4] = (byte)(value >> 8 * 4);
p[5] = (byte)(value >> 8 * 5);
p[6] = (byte)(value >> 8 * 6);
p[7] = (byte)(value >> 8 * 7);
}
#endif
#define ENDIAN_SWAP { while(count--) { EndianSwap(*v++); } }
void EndianSwap(word *v, int count) ENDIAN_SWAP
void EndianSwap(int16 *v, int count) ENDIAN_SWAP
void EndianSwap(dword *v, int count) ENDIAN_SWAP
void EndianSwap(int *v, int count) ENDIAN_SWAP
void EndianSwap(int64 *v, int count) ENDIAN_SWAP
void EndianSwap(uint64 *v, int count) ENDIAN_SWAP
END_UPP_NAMESPACE