// Detects the various cpu features
void CPUInfo::Detect()
{
	// Set some defaults here
	HTT = false;
#ifdef _ARCH_64
	OS64bit = true;
	CPU64bit = true;
	Mode64bit = true;
#else
	OS64bit = false;
	CPU64bit = false;
	Mode64bit = false;
#endif
	vendor = VENDOR_OTHER;
	
	// Get the information about the CPU 
#if !defined(__linux__)
	// Hardcode this for now
	bXBurst1 = false;
	bXBurst2 = false;
	num_cores = 1;
#else // __linux__
	strncpy(cpu_string, GetCPUString().c_str(), sizeof(cpu_string));
	bXBurst1 = CheckCPUASE("mxu");
	bXBurst2 = CheckCPUASE("mxu2");
	unsigned short CPUPart = GetCPUPart();
	num_cores = GetCoreCount();
#endif
}
Example #2
0
// Detects the various cpu features
void CPUInfo::Detect()
{
	// Set some defaults here
	// When ARMv8 cpus come out, these need to be updated.
	HTT = false;
#ifdef _M_ARM_64
	OS64bit = true;
	CPU64bit = true;
	Mode64bit = true;
#else
	OS64bit = false;
	CPU64bit = false;
	Mode64bit = false;
#endif
	vendor = VENDOR_ARM;

	// Get the information about the CPU
	num_cores = GetCoreCount();
#if defined(__SYMBIAN32__) || defined(BLACKBERRY) || defined(IOS)
	bool isVFP3 = false;
	bool isVFP4 = false;
#ifdef IOS
	isVFP3 = true;
	// Check for swift arch (VFP4`)
	#ifdef __ARM_ARCH_7S__
		isVFP4 = true;
	#endif // #ifdef __ARM_ARCH_7S__
#elif defined(BLACKBERRY)
	isVFP3 = true;
	const char cpuInfoPath[] = "/pps/services/hw_info/inventory";
	const std::string marker = "Processor_Name::";
	const std::string qcCPU = "MSM";

	std::string line;
	std::ifstream file(cpuInfoPath);

	if (file)
	{
		while (std::getline(file, line))
		{
			if (line.find(marker) != std::string::npos)
			{
				std::string first_three_chars = line.substr(marker.length(), qcCPU.length());

				if (first_three_chars == qcCPU)
				{
					isVFP4 = true;
				}

				break;
			}
		}
	}
#endif
	// Hardcode this for now
	bSwp = true;
	bHalf = true;
	bThumb = false;
	bFastMult = true;
	bVFP = true;
	bEDSP = true;
	bThumbEE = isVFP3;
	bNEON = isVFP3;
	bVFPv3 = isVFP3;
	bTLS = true;
	bVFPv4 = isVFP4;
	bIDIVa = isVFP4;
	bIDIVt = isVFP4;
	bFP = false;
	bASIMD = false;
#else
	strncpy(cpu_string, GetCPUString().c_str(), sizeof(cpu_string));
	bSwp = CheckCPUFeature("swp");
	bHalf = CheckCPUFeature("half");
	bThumb = CheckCPUFeature("thumb");
	bFastMult = CheckCPUFeature("fastmult");
	bVFP = CheckCPUFeature("vfp");
	bEDSP = CheckCPUFeature("edsp");
	bThumbEE = CheckCPUFeature("thumbee");
	bNEON = CheckCPUFeature("neon");
	bVFPv3 = CheckCPUFeature("vfpv3");
	bTLS = CheckCPUFeature("tls");
	bVFPv4 = CheckCPUFeature("vfpv4");
	bIDIVa = CheckCPUFeature("idiva");
	bIDIVt = CheckCPUFeature("idivt");
	// Qualcomm Krait supports IDIVA but it doesn't report it. Check for krait.
	if (GetCPUImplementer() == 0x51 && GetCPUPart() == 0x6F) // Krait(300) is 0x6F, Scorpion is 0x4D
		bIDIVa = bIDIVt = true;
	// These two require ARMv8 or higher
	bFP = CheckCPUFeature("fp");
	bASIMD = CheckCPUFeature("asimd");
#endif
	// On android, we build a separate library for ARMv7 so this is fine.
	// TODO: Check for ARMv7 on other platforms.
#if defined(__ARM_ARCH_7A__)
	bArmV7 = true;
#else
	bArmV7 = false;
#endif
}
Example #3
0
// Detects the various cpu features
void CPUInfo::Detect()
{
	// Set some defaults here
	// When ARMv8 cpus come out, these need to be updated.
	HTT = false;
	OS64bit = false;
	CPU64bit = false;
	Mode64bit = false;				 
	vendor = VENDOR_ARM;
	
	// Get the information about the CPU 
	num_cores = GetCoreCount();
#if defined(__SYMBIAN32__) || defined(BLACKBERRY) || defined(IOS)
	bool isVFP3 = false;
	bool isVFP4 = false;
#ifdef IOS
	isVFP3 = true;
    // Check for swift arch (VFP4`)
    #ifdef __ARM_ARCH_7S__
        isVFP4 = true;
    #endif // #ifdef __ARM_ARCH_7S__
#elif defined(BLACKBERRY)
	isVFP3 = true;
	const char cpuInfoPath[] = "/pps/services/hw_info/inventory";
	const char marker[] = "Processor_Name::";
	const char qcCPU[] = "MSM";
	char buf[1024];
	FILE* fp;
	if (fp = fopen(cpuInfoPath, "r"))
	{
		while (fgets(buf, sizeof(buf), fp))
		{
			if (strncmp(buf, marker, sizeof(marker) - 1))
				continue;
			if (strncmp(buf + sizeof(marker) - 1, qcCPU, sizeof(qcCPU) - 1) == 0)
				isVFP4 = true;
			break;
		}
		fclose(fp);
	}
#endif
	// Hardcode this for now
	bSwp = true;
	bHalf = true;
	bThumb = false;
	bFastMult = true;
	bVFP = true;
	bEDSP = true;
	bThumbEE = isVFP3;
	bNEON = isVFP3;
	bVFPv3 = isVFP3;
	bTLS = true;
	bVFPv4 = isVFP4;
	bIDIVa = isVFP4;
	bIDIVt = isVFP4;
	bFP = false;
	bASIMD = false;
#else
	strncpy(cpu_string, GetCPUString(), sizeof(cpu_string));
	bSwp = CheckCPUFeature("swp");
	bHalf = CheckCPUFeature("half");
	bThumb = CheckCPUFeature("thumb");
	bFastMult = CheckCPUFeature("fastmult");
	bVFP = CheckCPUFeature("vfp");
	bEDSP = CheckCPUFeature("edsp");
	bThumbEE = CheckCPUFeature("thumbee");
	bNEON = CheckCPUFeature("neon");
	bVFPv3 = CheckCPUFeature("vfpv3");
	bTLS = CheckCPUFeature("tls");
	bVFPv4 = CheckCPUFeature("vfpv4");
	bIDIVa = CheckCPUFeature("idiva");
	bIDIVt = CheckCPUFeature("idivt");
	// Qualcomm Krait supports IDIVA but it doesn't report it. Check for krait.
	if (GetCPUImplementer() == 0x51 && GetCPUPart() == 0x6F) // Krait(300) is 0x6F, Scorpion is 0x4D
		bIDIVa = bIDIVt = true;
	// These two require ARMv8 or higher
	bFP = CheckCPUFeature("fp");
	bASIMD = CheckCPUFeature("asimd");
#endif
// On android, we build a separate library for ARMv7 so this is fine.
// TODO: Check for ARMv7 on other platforms.
#if defined(__ARM_ARCH_7A__)
	bArmV7 = true;
#else
	bArmV7 = false;
#endif
}
Example #4
0
// Detects the various cpu features
void CPUInfo::Detect()
{
	// Set some defaults here
	// When ARMv8 cpus come out, these need to be updated.
	HTT = false;
	OS64bit = false;
	CPU64bit = false;
	Mode64bit = false;				 
	vendor = VENDOR_ARM;
	
	// Get the information about the CPU 
	num_cores = GetCoreCount();
#if !defined(BLACKBERRY) && !defined(IOS) && !defined(__SYMBIAN32__)
	strncpy(cpu_string, GetCPUString(), sizeof(cpu_string));
	bSwp = CheckCPUFeature("swp");
	bHalf = CheckCPUFeature("half");
	bThumb = CheckCPUFeature("thumb");
	bFastMult = CheckCPUFeature("fastmult");
	bVFP = CheckCPUFeature("vfp");
	bEDSP = CheckCPUFeature("edsp");
	bThumbEE = CheckCPUFeature("thumbee");
	bNEON = CheckCPUFeature("neon");
	bVFPv3 = CheckCPUFeature("vfpv3");
	bTLS = CheckCPUFeature("tls");
	bVFPv4 = CheckCPUFeature("vfpv4");
	bIDIVa = CheckCPUFeature("idiva");
	bIDIVt = CheckCPUFeature("idivt");
	// These two require ARMv8 or higher
	bFP = CheckCPUFeature("fp");
	bASIMD = CheckCPUFeature("asimd");
#else
	// Hardcode this for now
	bSwp = true;
	bHalf = true;
	bThumb = false;
	bFastMult = true;
	bVFP = true;
	bEDSP = true;
#ifdef __SYMBIAN32__
	bThumbEE = false;
	bNEON = false;
	bVFPv3 = false;
#else
	bThumbEE = true;
	bNEON = true;
	bVFPv3 = true;
#endif
	bTLS = true;
	bVFPv4 = false;
	bIDIVa = false;
	bIDIVt = false;
	bFP = false;
	bASIMD = false;
#endif
// On android, we build a separate library for ARMv7 so this is fine.
// TODO: Check for ARMv7 on other platforms.
#if defined(__ARM_ARCH_7A__)
	bArmV7 = true;
#else
	bArmV7 = false;
#endif
}
Example #5
0
// Detects the various cpu features
void CPUInfo::Detect()
{
	// Set some defaults here
	HTT = false;
#ifdef ARM64
	OS64bit = true;
	CPU64bit = true;
	Mode64bit = true;
#else
	OS64bit = false;
	CPU64bit = false;
	Mode64bit = false;
#endif
	vendor = VENDOR_ARM;

	// Get the information about the CPU 
#if !defined(__linux__)
	bool isVFP3 = false;
	bool isVFP4 = false;
#ifdef IOS
	isVFP3 = true;
	// Check for swift arch (VFP4)
#ifdef __ARM_ARCH_7S__
	isVFP4 = true;
#endif
	strcpy(brand_string, "Apple A");
	num_cores = 2;
#elif defined(BLACKBERRY)
	isVFP3 = true;
	deviceinfo_details_t* details;
	deviceinfo_get_details(&details);
	num_cores = deviceinfo_details_get_processor_core_count(details);
	strcpy(brand_string, deviceinfo_details_get_processor_name(details));
	if (!strncmp(brand_string, "MSM", 3))
		isVFP4 = true;
	deviceinfo_free_details(&details);
#else
	strcpy(brand_string, "Unknown");
	num_cores = 1;
#endif
	strncpy(cpu_string, brand_string, sizeof(cpu_string));
	// Hardcode this for now
	bSwp = true;
	bHalf = true;
	bThumb = false;
	bFastMult = true;
	bVFP = true;
	bEDSP = true;
	bThumbEE = isVFP3;
	bNEON = isVFP3;
	bVFPv3 = isVFP3;
	bTLS = true;
	bVFPv4 = isVFP4;
	bIDIVa = isVFP4;
	bIDIVt = isVFP4;
	bFP = false;
	bASIMD = false;
#else // __linux__
	strncpy(cpu_string, GetCPUString().c_str(), sizeof(cpu_string));
	strncpy(brand_string, GetCPUBrandString().c_str(), sizeof(brand_string));

	bSwp = CheckCPUFeature("swp");
	bHalf = CheckCPUFeature("half");
	bThumb = CheckCPUFeature("thumb");
	bFastMult = CheckCPUFeature("fastmult");
	bVFP = CheckCPUFeature("vfp");
	bEDSP = CheckCPUFeature("edsp");
	bThumbEE = CheckCPUFeature("thumbee");
	bNEON = CheckCPUFeature("neon");
	bVFPv3 = CheckCPUFeature("vfpv3");
	bTLS = CheckCPUFeature("tls");
	bVFPv4 = CheckCPUFeature("vfpv4");
	bIDIVa = CheckCPUFeature("idiva");
	bIDIVt = CheckCPUFeature("idivt");
	// Qualcomm Krait supports IDIVA but it doesn't report it. Check for krait (0x4D = Plus, 0x6F = Pro).
	unsigned short CPUPart = GetCPUPart();
	if (GetCPUImplementer() == 0x51 && (CPUPart == 0x4D || CPUPart == 0x6F))
		bIDIVa = bIDIVt = true;
	// These two require ARMv8 or higher
	bFP = CheckCPUFeature("fp");
	bASIMD = CheckCPUFeature("asimd");
	num_cores = GetCoreCount();
#endif
#ifdef ARM64
	// Whether the above detection failed or not, on ARM64 we do have ASIMD/NEON.
	bNEON = true;
	bASIMD = true;
#endif
}
Example #6
0
// Detects the various cpu features
void CPUInfo::Detect()
{
	// Set some defaults here
	// When ARMv8 cpus come out, these need to be updated.
	HTT = false;
	OS64bit = false;
	CPU64bit = false;
	Mode64bit = false;				 
	vendor = VENDOR_ARM;
	
	// Get the information about the CPU 
#if defined(__SYMBIAN32__) || defined(BLACKBERRY) || defined(IOS)
	bool isVFP3 = false;
	bool isVFP4 = false;
#ifdef IOS
	isVFP3 = true;
	// Check for swift arch (VFP4)
#ifdef __ARM_ARCH_7S__
	isVFP4 = true;
#endif
	strcpy(brand_string, "Apple");
	num_cores = 2;
#elif defined(BLACKBERRY)
	isVFP3 = true;
	deviceinfo_details_t* details;
	deviceinfo_get_details(&details);
	num_cores = deviceinfo_details_get_processor_core_count(details);
	strcpy(brand_string, deviceinfo_details_get_processor_name(details));
	if (!strncmp(brand_string, "MSM", 3))
		isVFP4 = true;
	deviceinfo_free_details(&details);
#elif defined(SYMBIAN)
	strcpy(brand_string, "Samsung ARMv6");
	num_cores = 1;
#endif
	// Hardcode this for now
	bSwp = true;
	bHalf = true;
	bThumb = false;
	bFastMult = true;
	bVFP = true;
	bEDSP = true;
	bThumbEE = isVFP3;
	bNEON = isVFP3;
	bVFPv3 = isVFP3;
	bTLS = true;
	bVFPv4 = isVFP4;
	bIDIVa = isVFP4;
	bIDIVt = isVFP4;
	bFP = false;
	bASIMD = false;
#else
	strncpy(cpu_string, GetCPUString(), sizeof(cpu_string));
	bSwp = CheckCPUFeature("swp");
	bHalf = CheckCPUFeature("half");
	bThumb = CheckCPUFeature("thumb");
	bFastMult = CheckCPUFeature("fastmult");
	bVFP = CheckCPUFeature("vfp");
	bEDSP = CheckCPUFeature("edsp");
	bThumbEE = CheckCPUFeature("thumbee");
	bNEON = CheckCPUFeature("neon");
	bVFPv3 = CheckCPUFeature("vfpv3");
	bTLS = CheckCPUFeature("tls");
	bVFPv4 = CheckCPUFeature("vfpv4");
	bIDIVa = CheckCPUFeature("idiva");
	bIDIVt = CheckCPUFeature("idivt");
	// Qualcomm Krait supports IDIVA but it doesn't report it. Check for krait.
	if (GetCPUImplementer() == 0x51 && GetCPUPart() == 0x6F) // Krait(300) is 0x6F, Scorpion is 0x4D
		bIDIVa = bIDIVt = true;
	// These two require ARMv8 or higher
	bFP = CheckCPUFeature("fp");
	bASIMD = CheckCPUFeature("asimd");
	num_cores = GetCoreCount();
#endif
// On android, we build a separate library for ARMv7 so this is fine.
// TODO: Check for ARMv7 on other platforms.
#if defined(__ARM_ARCH_7A__)
	bArmV7 = true;
#else
	bArmV7 = false;
#endif
}