ObjFW  Diff

#endif

#import "OFSystemInfo.h"
#import "OFApplication.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFLocale.h"
#import "OFOnce.h"
#import "OFString.h"

#import "OFNotImplementedException.h"



#if defined(OF_MACOS) || defined(OF_IOS)
# ifdef HAVE_SYSDIR_H
#  include <sysdir.h>
# endif
#endif
#ifdef OF_WINDOWS
# include <windows.h>

extern NSSearchPathEnumerationState NSStartSearchPathEnumeration(
    NSSearchPathDirectory, NSSearchPathDomainMask);
extern NSSearchPathEnumerationState NSGetNextSearchPathEnumeration(
    NSSearchPathEnumerationState, char *);
#endif

#if defined(OF_X86_64) || defined(OF_X86)
struct X86Regs {
	uint32_t eax, ebx, ecx, edx;
};
#endif

static size_t pageSize = 4096;
static size_t numberOfCPUs = 1;
static OFString *operatingSystemName = nil;

	}
# endif
#elif defined(OF_WINDOWS)
# ifdef OF_HAVE_FILES
	void *pool = objc_autoreleasePoolPush();

	@try {
		OFStringEncoding encoding = [OFLocale encoding];
		char systemDir[PATH_MAX];
		UINT systemDirLen;
		OFString *systemDirString;
		const char *path;
		void *buffer;
		DWORD bufferLen;

	operatingSystemVersion = [[OFString alloc]
	    initWithCString: utsname.release
		   encoding: [OFLocale encoding]];
#endif
}

#if defined(OF_X86_64) || defined(OF_X86)
static OF_INLINE struct X86Regs OF_CONST_FUNC
x86CPUID(uint32_t eax, uint32_t ecx)
{
	struct X86Regs regs;

# if defined(OF_X86_64) && defined(__GNUC__)
	__asm__ (
	    "cpuid"
	    : "=a"(regs.eax), "=b"(regs.ebx), "=c"(regs.ecx), "=d"(regs.edx)
	    : "a"(eax), "c"(ecx)
	);

+ (unsigned int)ObjFWVersionMinor
{
	return OBJFW_VERSION_MINOR;
}

+ (OFString *)operatingSystemName
{
	static OFOnceControl onceControl = OFOnceControlInitValue;
	OFOnce(&onceControl, initOperatingSystemName);

	return operatingSystemName;
}

+ (OFString *)operatingSystemVersion
{
	static OFOnceControl onceControl = OFOnceControlInitValue;
	OFOnce(&onceControl, initOperatingSystemVersion);

	return operatingSystemVersion;
}

#ifdef OF_HAVE_FILES
+ (OFString *)userDataPath
{

		OFString *home;

		if ((home = [env objectForKey: @"HOME"]) == nil)
			@throw [OFNotImplementedException
			    exceptionWithSelector: _cmd
					   object: self];

		[path deleteCharactersInRange: OFRangeMake(0, 1)];
		[path prependString: home];
	}

	[path makeImmutable];

	return path;
# elif defined(OF_WINDOWS)

		OFString *home;

		if ((home = [env objectForKey: @"HOME"]) == nil)
			@throw [OFNotImplementedException
			    exceptionWithSelector: _cmd
					   object: self];

		[path deleteCharactersInRange: OFRangeMake(0, 1)];
		[path prependString: home];
	}

	[path appendString: @"/Preferences"];

	[path makeImmutable];

	return path;
# elif defined(OF_WINDOWS)
	OFDictionary *env = [OFApplication environment];
	OFString *appData;

# endif
}
#endif

+ (OFString *)CPUVendor
{
#if (defined(OF_X86_64) || defined(OF_X86)) && defined(__GNUC__)
	struct X86Regs regs = x86CPUID(0, 0);
	uint32_t buffer[3];

	if (regs.eax == 0)
		return nil;

	buffer[0] = regs.ebx;
	buffer[1] = regs.edx;
	buffer[2] = regs.ecx;

	return [OFString stringWithCString: (char *)buffer
				  encoding: OFStringEncodingASCII
				    length: 12];
#else
	return nil;
#endif
}

+ (OFString *)CPUModel
{
#if (defined(OF_X86_64) || defined(OF_X86)) && defined(__GNUC__)
	uint32_t buffer[12];
	size_t i;

	i = 0;
	for (uint32_t eax = 0x80000002; eax <= 0x80000004; eax++) {
		struct X86Regs regs = x86CPUID(eax, 0);

		buffer[i++] = regs.eax;
		buffer[i++] = regs.ebx;
		buffer[i++] = regs.ecx;
		buffer[i++] = regs.edx;
	}

	return [OFString stringWithCString: (char *)buffer
				  encoding: OFStringEncodingASCII];
#elif defined(OF_AMIGAOS4)
	CONST_STRPTR model, version;

	GetCPUInfoTags(GCIT_ModelString, &model,
	    GCIT_VersionString, &version, TAG_END);

	if (version != NULL)
		return [OFString stringWithFormat: @"%s V%s", model, version];
	else
		return [OFString stringWithCString: model
					  encoding: OFStringEncodingASCII];
#else
	return nil;
#endif
}

#if defined(OF_X86_64) || defined(OF_X86)
+ (bool)supportsMMX
{
	return (x86CPUID(1, 0).edx & (1u << 23));
}

+ (bool)supportsSSE
{
	return (x86CPUID(1, 0).edx & (1u << 25));
}

+ (bool)supportsSSE2
{
	return (x86CPUID(1, 0).edx & (1u << 26));
}

+ (bool)supportsSSE3
{
	return (x86CPUID(1, 0).ecx & (1u << 0));
}

+ (bool)supportsSSSE3
{
	return (x86CPUID(1, 0).ecx & (1u << 9));
}

+ (bool)supportsSSE41
{
	return (x86CPUID(1, 0).ecx & (1u << 19));
}

+ (bool)supportsSSE42
{
	return (x86CPUID(1, 0).ecx & (1u << 20));
}

+ (bool)supportsAVX
{
	return (x86CPUID(1, 0).ecx & (1u << 28));
}

+ (bool)supportsAVX2
{
	return x86CPUID(0, 0).eax >= 7 && (x86CPUID(7, 0).ebx & (1u << 5));
}

+ (bool)supportsAESNI
{
	return (x86CPUID(1, 0).ecx & (1u << 25));
}

+ (bool)supportsSHAExtensions
{
	return (x86CPUID(7, 0).ebx & (1u << 29));
}
#endif

#if defined(OF_POWERPC) || defined(OF_POWERPC64)
+ (bool)supportsAltiVec
{
# if defined(OF_MACOS)