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#include "HardwareDetector.h"
#include "TegraDetector.h"
#include "ProcReader.h"
#include "EngineCommon.h"
#include "StringUtils.h"
#include <utils/Log.h>
using namespace std;
int GetCpuID()
{
int result = 0;
map<string, string> cpu_info = GetCpuInfo();
map<string, string>::const_iterator it;
#if defined(__i386__)
LOGD("Using X86 HW detector");
result |= ARCH_X86;
it = cpu_info.find("flags");
if (cpu_info.end() != it)
{
set<string> features = SplitString(it->second, ' ');
if (features.end() != features.find(CPU_INFO_SSE_STR))
{
result |= FEATURES_HAS_SSE;
}
if (features.end() != features.find(CPU_INFO_SSE2_STR))
{
result |= FEATURES_HAS_SSE2;
}
if (features.end() != features.find(CPU_INFO_SSSE3_STR))
{
result |= FEATURES_HAS_SSSE3;
}
}
#elif defined(__mips)
#ifdef __SUPPORT_MIPS
result |= ARCH_MIPS;
#else
result = ARCH_UNKNOWN;
#endif
#else
LOGD("Using ARM HW detector");
it = cpu_info.find("Processor");
if (cpu_info.end() != it)
{
size_t proc_name_pos = it->second.find(CPU_INFO_ARCH_X86_STR);
if (string::npos != proc_name_pos)
{
}
else
{
proc_name_pos = it->second.find(CPU_INFO_ARCH_ARMV7_STR);
if (string::npos != proc_name_pos)
{
result |= ARCH_ARMv7;
}
else
{
proc_name_pos = it->second.find(CPU_INFO_ARCH_ARMV6_STR);
if (string::npos != proc_name_pos)
{
result |= ARCH_ARMv6;
}
else
{
proc_name_pos = it->second.find(CPU_INFO_ARCH_ARMV5_STR);
if (string::npos != proc_name_pos)
{
result |= ARCH_ARMv5;
}
}
}
}
}
else
{
return ARCH_UNKNOWN;
}
it = cpu_info.find("Features");
if (cpu_info.end() != it)
{
set<string> features = SplitString(it->second, ' ');
if (features.end() != features.find(CPU_INFO_NEON_STR))
{
result |= FEATURES_HAS_NEON;
}
if (features.end() != features.find(CPU_INFO_NEON2_STR))
{
result |= FEATURES_HAS_NEON2;
}
if (features.end() != features.find(CPU_INFO_VFPV4_STR))
{
result |= FEATURES_HAS_VFPv4;
}
if (features.end() != features.find(CPU_INFO_VFPV3_STR))
{
if (features.end () != features.find(CPU_INFO_VFPV3D16_STR))
{
result |= FEATURES_HAS_VFPv3d16;
}
else
{
result |= FEATURES_HAS_VFPv3;
}
}
}
#endif
return result;
}
string GetPlatformName()
{
map<string, string> cpu_info = GetCpuInfo();
string hardware_name = "";
map<string, string>::const_iterator hw_iterator = cpu_info.find("Hardware");
if (cpu_info.end() != hw_iterator)
{
hardware_name = hw_iterator->second;
}
return hardware_name;
}
int GetProcessorCount()
{
FILE* cpuPossible = fopen("/sys/devices/system/cpu/possible", "r");
if(!cpuPossible)
return 1;
char buf[2000]; //big enough for 1000 CPUs in worst possible configuration
char* pbuf = fgets(buf, sizeof(buf), cpuPossible);
fclose(cpuPossible);
if(!pbuf)
return 1;
//parse string of form "0-1,3,5-7,10,13-15"
int cpusAvailable = 0;
while(*pbuf)
{
const char* pos = pbuf;
bool range = false;
while(*pbuf && *pbuf != ',')
{
if(*pbuf == '-') range = true;
++pbuf;
}
if(*pbuf) *pbuf++ = 0;
if(!range)
++cpusAvailable;
else
{
int rstart = 0, rend = 0;
sscanf(pos, "%d-%d", &rstart, &rend);
cpusAvailable += rend - rstart + 1;
}
}
return cpusAvailable ? cpusAvailable : 1;
}
int DetectKnownPlatforms()
{
#if defined(__arm__) && defined(USE_TEGRA_HW_DETECTOR)
int tegra_status = DetectTegra();
#else
int tegra_status = NOT_TEGRA;
#endif
// All Tegra platforms since Tegra3
if (2 < tegra_status)
{
return PLATFORM_TEGRA + tegra_status - 1;
}
else
{
return PLATFORM_UNKNOWN;
}
}
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