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-rw-r--r--src/java/com/jogamp/common/os/Platform.java256
1 files changed, 152 insertions, 104 deletions
diff --git a/src/java/com/jogamp/common/os/Platform.java b/src/java/com/jogamp/common/os/Platform.java
index 0775f37..680d5be 100644
--- a/src/java/com/jogamp/common/os/Platform.java
+++ b/src/java/com/jogamp/common/os/Platform.java
@@ -26,18 +26,13 @@
* or implied, of JogAmp Community.
*/
-/*
- * Created on Sunday, March 28 2010 14:43
- */
package com.jogamp.common.os;
-import com.jogamp.common.nio.Buffers;
-import java.nio.ByteBuffer;
-import java.nio.IntBuffer;
-import java.nio.ShortBuffer;
import java.security.AccessController;
import java.security.PrivilegedAction;
+import jogamp.common.os.MachineDescriptionRuntime;
+
/**
* Utility class for querying platform specific properties.
* @author Michael Bien
@@ -46,97 +41,157 @@ import java.security.PrivilegedAction;
public class Platform {
public static final boolean JAVA_SE;
- public static final boolean LITTLE_ENDIAN;
public static final String OS;
+ public static final String OS_lower;
public static final String OS_VERSION;
public static final String ARCH;
+ public static final String ARCH_lower;
public static final String JAVA_VENDOR;
public static final String JAVA_VENDOR_URL;
public static final String JAVA_VERSION;
public static final String NEWLINE;
+ public enum OSType {
+ LINUX(0), FREEBSD(1), DALVIK(2), MACOS(3), SUNOS(4), HPUX(5), WINDOWS(6), OPENKODE(7);
+
+ public final int id;
+
+ OSType(int id){
+ this.id = id;
+ }
+ }
+ public static final OSType OS_TYPE;
+
+ public enum CPUType {
+ X86(0), IA(1), ARM(2), SPARC(3), PA_RISC(4), PPC(5);
+
+ public final int id;
+
+ CPUType(int id){
+ this.id = id;
+ }
+ }
+ public static final CPUType CPU_TYPE;
+
+ public enum CPUArch {
+ X86_32(0), X86_64(1), IA64(2), ARM_32(3), SPARC_32(4), SPARCV9_64(5), PA_RISC2_0(6), PPC(7);
+
+ public final int id;
+
+ CPUArch(int id){
+ this.id = id;
+ }
+ }
+ public static final CPUArch CPU_ARCH;
+
private static final boolean is32Bit;
- private static final int pointerSizeInBits;
- private static final int pageSize;
+ private static final MachineDescription machineDescription;
+
static {
// We don't seem to need an AccessController.doPrivileged() block
// here as these system properties are visible even to unsigned
// applets
OS = System.getProperty("os.name");
+ OS_lower = OS.toLowerCase();
OS_VERSION = System.getProperty("os.version");
ARCH = System.getProperty("os.arch");
+ ARCH_lower = ARCH.toLowerCase();
JAVA_VENDOR = System.getProperty("java.vendor");
JAVA_VENDOR_URL = System.getProperty("java.vendor.url");
JAVA_VERSION = System.getProperty("java.version");
NEWLINE = System.getProperty("line.separator");
JAVA_SE = initIsJavaSE();
- LITTLE_ENDIAN = initByteOrder();
- boolean libsLoaded = true;
- try{
- NativeLibrary.ensureNativeLibLoaded();
- }catch (UnsatisfiedLinkError err){
- libsLoaded = false;
- }
+ if( ARCH_lower.equals("x86") ||
+ ARCH_lower.equals("i386") ||
+ ARCH_lower.equals("i486") ||
+ ARCH_lower.equals("i586") ||
+ ARCH_lower.equals("i686") ) {
+ CPU_ARCH = CPUArch.X86_32;
+ CPU_TYPE = CPUType.X86;
+ } else if( ARCH_lower.equals("x86_64") ||
+ ARCH_lower.equals("amd64") ) {
+ CPU_ARCH = CPUArch.X86_64;
+ CPU_TYPE = CPUType.X86;
+ } else if( ARCH_lower.equals("ia64") ) {
+ CPU_ARCH = CPUArch.IA64;
+ CPU_TYPE = CPUType.IA;
+ } else if( ARCH_lower.equals("arm") ) {
+ CPU_ARCH = CPUArch.ARM_32;
+ CPU_TYPE = CPUType.ARM;
+ } else if( ARCH_lower.equals("sparc") ) {
+ CPU_ARCH = CPUArch.SPARC_32;
+ CPU_TYPE = CPUType.SPARC;
+ } else if( ARCH_lower.equals("sparcv9") ) {
+ CPU_ARCH = CPUArch.SPARCV9_64;
+ CPU_TYPE = CPUType.SPARC;
+ } else if( ARCH_lower.equals("pa_risc2.0") ) {
+ CPU_ARCH = CPUArch.PA_RISC2_0;
+ CPU_TYPE = CPUType.PA_RISC;
+ } else if( ARCH_lower.equals("ppc") ) {
+ CPU_ARCH = CPUArch.PPC;
+ CPU_TYPE = CPUType.PPC;
+ } else {
+ throw new RuntimeException("Please port CPU detection to your platform (" + OS_lower + "/" + ARCH_lower + ")");
+ }
+ OS_TYPE = getOSTypeImpl();
- if(libsLoaded) {
- pointerSizeInBits = getPointerSizeInBitsImpl();
- final long pageSizeL = getPageSizeImpl();
- if(Integer.MAX_VALUE < pageSizeL) {
- throw new InternalError("PageSize exceeds integer value: " + pageSizeL);
- }
- pageSize = (int) pageSizeL ;
- }else{
- pointerSizeInBits = -1;
- pageSize = -1;
- }
-
- is32Bit = initArch();
-
+ machineDescription = MachineDescriptionRuntime.getMachineDescription(getIs32BitByCPUArchImpl());
+ is32Bit = machineDescription.is32Bit();
}
private Platform() {}
- private static boolean initArch() throws RuntimeException {
- if ( 32 == pointerSizeInBits || 64 == pointerSizeInBits ) {
- return 32 == pointerSizeInBits;
- }else {
- String os_lc = OS.toLowerCase();
- String arch_lc = ARCH.toLowerCase();
-
- if ((os_lc.startsWith("windows") && arch_lc.equals("x86")) ||
- (os_lc.startsWith("windows") && arch_lc.equals("arm")) ||
- (os_lc.startsWith("linux") && arch_lc.equals("i386")) ||
- (os_lc.startsWith("linux") && arch_lc.equals("x86")) ||
- (os_lc.startsWith("mac os") && arch_lc.equals("ppc")) ||
- (os_lc.startsWith("mac os") && arch_lc.equals("i386")) ||
- (os_lc.startsWith("darwin") && arch_lc.equals("ppc")) ||
- (os_lc.startsWith("darwin") && arch_lc.equals("i386")) ||
- (os_lc.startsWith("sunos") && arch_lc.equals("sparc")) ||
- (os_lc.startsWith("sunos") && arch_lc.equals("x86")) ||
- (os_lc.startsWith("freebsd") && arch_lc.equals("i386")) ||
- (os_lc.startsWith("hp-ux") && arch_lc.equals("pa_risc2.0"))) {
+ private static boolean getIs32BitByCPUArchImpl() throws RuntimeException {
+ switch( CPU_ARCH ) {
+ case X86_32:
+ case ARM_32:
+ case SPARC_32:
+ case PPC:
return true;
- } else if ((os_lc.startsWith("windows") && arch_lc.equals("amd64")) ||
- (os_lc.startsWith("linux") && arch_lc.equals("amd64")) ||
- (os_lc.startsWith("linux") && arch_lc.equals("x86_64")) ||
- (os_lc.startsWith("linux") && arch_lc.equals("ia64")) ||
- (os_lc.startsWith("mac os") && arch_lc.equals("x86_64")) ||
- (os_lc.startsWith("darwin") && arch_lc.equals("x86_64")) ||
- (os_lc.startsWith("sunos") && arch_lc.equals("sparcv9")) ||
- (os_lc.startsWith("sunos") && arch_lc.equals("amd64"))) {
+ case X86_64:
+ case IA64:
+ case SPARCV9_64:
+ case PA_RISC2_0:
return false;
- }else{
- throw new RuntimeException("Please port CPU detection (32/64 bit) to your platform (" + os_lc + "/" + arch_lc + ")");
- }
+ default:
+ throw new RuntimeException("Please port CPU detection (32/64 bit) to your platform (" + Platform.OS_lower + "/" + Platform.ARCH_lower + "("+Platform.CPU_ARCH+"))");
}
}
-
+
+ private static OSType getOSTypeImpl() throws RuntimeException {
+ if ( OS_lower.startsWith("linux") ) {
+ return OSType.LINUX;
+ }
+ if ( OS_lower.startsWith("freebsd") ) {
+ return OSType.FREEBSD;
+ }
+ if ( OS_lower.startsWith("dalvik") ) {
+ return OSType.DALVIK;
+ }
+ if ( OS_lower.startsWith("mac os x") ||
+ OS_lower.startsWith("darwin") ) {
+ return OSType.MACOS;
+ }
+ if ( OS_lower.startsWith("sunos") ) {
+ return OSType.SUNOS;
+ }
+ if ( OS_lower.startsWith("hp-ux") ) {
+ return OSType.HPUX;
+ }
+ if ( OS_lower.startsWith("windows") ) {
+ return OSType.WINDOWS;
+ }
+ if ( OS_lower.startsWith("kd") ) {
+ return OSType.OPENKODE;
+ }
+ throw new RuntimeException("Please port OS detection to your platform (" + OS_lower + "/" + ARCH_lower + ")");
+ }
+
private static boolean initIsJavaSE() {
-
// the fast path, check property Java SE instead of traversing through the ClassLoader
String java_runtime_name = (String) AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
@@ -159,18 +214,6 @@ public class Platform {
return false;
}
- private static boolean initByteOrder() {
- ByteBuffer tst_b = Buffers.newDirectByteBuffer(Buffers.SIZEOF_INT); // 32bit in native order
- IntBuffer tst_i = tst_b.asIntBuffer();
- ShortBuffer tst_s = tst_b.asShortBuffer();
- tst_i.put(0, 0x0A0B0C0D);
- return 0x0C0D == tst_s.get(0);
- }
-
- private static native int getPointerSizeInBitsImpl();
- private static native long getPageSizeImpl();
-
-
/**
* Returns true only if this program is running on the Java Standard Edition.
*/
@@ -179,13 +222,6 @@ public class Platform {
}
/**
- * Returns true only if this system uses little endian byte ordering.
- */
- public static boolean isLittleEndian() {
- return LITTLE_ENDIAN;
- }
-
- /**
* Returns the OS name.
*/
public static String getOS() {
@@ -208,6 +244,27 @@ public class Platform {
}
/**
+ * Returns the OS type.
+ */
+ public static OSType getOSType() {
+ return OS_TYPE;
+ }
+
+ /**
+ * Returns the CPU type.
+ */
+ public static CPUType getCPUType() {
+ return CPU_TYPE;
+ }
+
+ /**
+ * Returns the CPU architecture.
+ */
+ public static CPUArch getCPUArch() {
+ return CPU_ARCH;
+ }
+
+ /**
* Returns the JAVA.
*/
public static String getJavaVendor() {
@@ -236,37 +293,28 @@ public class Platform {
}
/**
- * Returns true if this JVM is a 32bit JVM.
+ * Returns true if this JVM/ARCH is 32bit.
+ * <p>Shortcut to {@link #getMachineDescription()}.{@link MachineDescription#is32Bit() is32Bit()}</p>
*/
public static boolean is32Bit() {
- return is32Bit;
+ // return Platform.machineDescription.is32Bit();
+ return Platform.is32Bit; // used very often
}
/**
- * Returns true if this JVM is a 64bit JVM.
+ * Returns true if this JVM/ARCH is 64bit.
+ * <p>Shortcut to {@link #getMachineDescription()}.{@link MachineDescription#is32Bit() is64Bit()}</p>
*/
public static boolean is64Bit() {
- return !is32Bit;
- }
-
- public static int getPointerSizeInBits() {
- return pointerSizeInBits;
+ // return Platform.machineDescription.is64Bit();
+ return !Platform.is32Bit; // used very often
}
- public static int getPointerSizeInBytes() {
- return pointerSizeInBits/8;
- }
-
- public static int getPageSize() {
- return pageSize;
- }
-
- public static int getPageNumber(int size) {
- return ( size + ( pageSize - 1) ) / pageSize ; // integer arithmetic
+ /**
+ * Returns the MachineDescription of the running machine.
+ */
+ public static MachineDescription getMachineDescription() {
+ return machineDescription;
}
-
- public static int getPageAlignedSize(int size) {
- return getPageNumber(size) * pageSize;
- }
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-20 22:27:02 +0000