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/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.common.os;
import com.jogamp.common.os.MachineDescription;
import com.jogamp.common.os.Platform;
import com.jogamp.common.os.MachineDescription.StaticConfig;
/**
* Runtime MachineDescription
*/
public class MachineDescriptionRuntime {
static volatile boolean smdHardQueried = false;
static MachineDescription.StaticConfig smdHard = null;
static volatile boolean smdSoftQueried = false;
static MachineDescription.StaticConfig smdSoft = null;
static volatile boolean smdHardEnabled = false;
/* pp */ static void notifyPropsInitialized() { smdHardEnabled = true; }
public static MachineDescription.StaticConfig getStatic() {
if(!smdHardEnabled) {
if(!smdSoftQueried) {
synchronized(MachineDescription.class) { // volatile dbl-checked-locking OK
if(!smdSoftQueried) {
smdSoft = get(PlatformPropsImpl.OS_TYPE, PlatformPropsImpl.sCpuType, PlatformPropsImpl.LITTLE_ENDIAN);
smdSoftQueried=true;
}
}
}
return smdSoft;
} else {
if(!smdHardQueried) {
synchronized(MachineDescription.class) { // volatile dbl-checked-locking OK
if(!smdHardQueried) {
smdHard = get(PlatformPropsImpl.OS_TYPE, PlatformPropsImpl.CPU_ARCH, PlatformPropsImpl.LITTLE_ENDIAN);
smdHardQueried=true;
}
}
}
return smdHard;
}
}
private static boolean isCPUArch32Bit(final Platform.CPUType cpuType) throws RuntimeException {
switch( cpuType ) {
case X86_32:
case ARM:
case ARMv5:
case ARMv6:
case ARMv7:
case SPARC_32:
case PPC:
return true;
case X86_64:
case ARM64:
case ARMv8_A:
case IA64:
case SPARCV9_64:
case PA_RISC2_0:
return false;
default:
throw new RuntimeException("Please port CPU detection (32/64 bit) to your platform (" + PlatformPropsImpl.OS_lower + "/" + PlatformPropsImpl.ARCH_lower + "("+PlatformPropsImpl.CPU_ARCH+"))");
}
}
private static MachineDescription.StaticConfig get(final Platform.OSType osType, final Platform.CPUType cpuType, final boolean littleEndian) {
if( isCPUArch32Bit(cpuType) ) {
if( cpuType.getFamily() == Platform.CPUFamily.ARM && littleEndian) {
return StaticConfig.ARMle_EABI;
} else if( osType == Platform.OSType.WINDOWS ) {
return StaticConfig.X86_32_WINDOWS;
} else if( osType == Platform.OSType.MACOS ) {
return StaticConfig.X86_32_MACOS;
} else if ( osType == Platform.OSType.SUNOS ) {
if ( cpuType == Platform.CPUType.SPARC_32 ) {
return StaticConfig.SPARC_32_SUNOS;
}
// TODO SPARCv9 description is missing
}
return StaticConfig.X86_32_UNIX;
} else {
if( cpuType.getFamily() == Platform.CPUFamily.ARM && littleEndian) {
return StaticConfig.X86_64_UNIX;
} else if( osType == Platform.OSType.WINDOWS ) {
return StaticConfig.X86_64_WINDOWS;
}
return StaticConfig.X86_64_UNIX;
}
}
static volatile boolean rmdQueried = false;
static MachineDescription rmd = null;
public static MachineDescription getRuntime() {
if(!rmdQueried) {
synchronized(MachineDescription.class) { // volatile dbl-checked-locking OK
if(!rmdQueried) {
rmd = getRuntimeImpl();
rmdQueried=true;
}
}
}
return rmd;
}
private static MachineDescription getRuntimeImpl() {
try {
Platform.initSingleton(); // loads native gluegen-rt library
} catch (final UnsatisfiedLinkError err) {
return null;
}
final int pointerSizeInBytes = getPointerSizeInBytesImpl();
switch(pointerSizeInBytes) {
case 4:
case 8:
break;
default:
throw new RuntimeException("Unsupported pointer size "+pointerSizeInBytes+"bytes, please implement.");
}
final long pageSizeL = getPageSizeInBytesImpl();
if(Integer.MAX_VALUE < pageSizeL) {
throw new InternalError("PageSize exceeds integer value: " + pageSizeL);
}
// size: int, long, float, double, pointer, pageSize
// alignment: int8, int16, int32, int64, int, long, float, double, pointer
return new MachineDescription(
true /* runtime validated */, PlatformPropsImpl.LITTLE_ENDIAN,
getSizeOfIntImpl(), getSizeOfLongImpl(),
getSizeOfFloatImpl(), getSizeOfDoubleImpl(), getSizeOfLongDoubleImpl(),
pointerSizeInBytes, (int)pageSizeL,
getAlignmentInt8Impl(), getAlignmentInt16Impl(), getAlignmentInt32Impl(), getAlignmentInt64Impl(),
getAlignmentIntImpl(), getAlignmentLongImpl(),
getAlignmentFloatImpl(), getAlignmentDoubleImpl(), getAlignmentLongDoubleImpl(),
getAlignmentPointerImpl());
}
private static native int getPointerSizeInBytesImpl();
private static native long getPageSizeInBytesImpl();
private static native int getAlignmentInt8Impl();
private static native int getAlignmentInt16Impl();
private static native int getAlignmentInt32Impl();
private static native int getAlignmentInt64Impl();
private static native int getAlignmentIntImpl();
private static native int getAlignmentLongImpl();
private static native int getAlignmentPointerImpl();
private static native int getAlignmentFloatImpl();
private static native int getAlignmentDoubleImpl();
private static native int getAlignmentLongDoubleImpl();
private static native int getSizeOfIntImpl();
private static native int getSizeOfLongImpl();
private static native int getSizeOfPointerImpl();
private static native int getSizeOfFloatImpl();
private static native int getSizeOfDoubleImpl();
private static native int getSizeOfLongDoubleImpl();
}
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