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iokit/bsddev/IOKitBSDInit.cpp xnu-792.22.5 xnu-517
--- xnu/xnu-792.22.5/iokit/bsddev/IOKitBSDInit.cpp
+++ xnu/xnu-517/iokit/bsddev/IOKitBSDInit.cpp
@@ -1,19 +1,16 @@
 /*
  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- * 
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -23,7 +20,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
  */
 #include <IOKit/IOBSD.h>
 #include <IOKit/IOLib.h>
@@ -31,6 +28,8 @@
 #include <IOKit/IODeviceTreeSupport.h>
 #include <IOKit/IOKitKeys.h>
 #include <IOKit/IOPlatformExpert.h>
+
+#include <sys/disklabel.h>
 
 extern "C" {
 
@@ -79,12 +78,6 @@
     return( 0 );
 }
 
-OSDictionary * IOUUIDMatching( void )
-{
-    return IOService::resourceMatching( "boot-uuid-media" );
-}
-
-
 OSDictionary * IOCDMatching( void )
 {
     OSDictionary *	dict;
@@ -265,6 +258,7 @@
     long         partition = -1;
     long		 lun = -1;
     char         c;
+    const char * partitionSep = NULL;
 
     // scan the tail of the path for "@unit:partition"
     do {
@@ -278,12 +272,24 @@
             if( *(--look) == c) {
                 if( c == ':') {
                     partition = strtol( look + 1, 0, 0 );
+                    partitionSep = look;
                     c = '@';
                 } else if( c == '@') {
-                    unit = strtol( look + 1, &comp, 16 );
-
-                    if( *comp == ',') {
-                        lun = strtol( comp + 1, 0, 16 );
+                    int diff = -1;
+                    
+                    unit = strtol( look + 1, 0, 16 );
+                    
+                    diff = (int)partitionSep - (int)look;
+                    if ( diff > 0 ) {
+                    	
+                    	for ( ; diff > 0; diff-- )
+                    	{
+                    		if( look[diff] == ',' )
+                    		{
+                    		   lun = strtol ( &look[diff + 1], 0, 16 );
+                    		   break;
+                    		}
+                    	}
                     }
                     
                     c = '/';
@@ -340,53 +346,11 @@
 
 OSDictionary * IOOFPathMatching( const char * path, char * buf, int maxLen )
 {
-    OSDictionary *	matching;
-    OSString *		str;
-    char *		comp;
-    int			len;
-
     /* need to look up path, get device type,
         call matching help based on device type */
 
-    matching = IODiskMatching( path, buf, maxLen );
-    if( matching)
-	return( matching );
-
-    do {
-
-	len = strlen( kIODeviceTreePlane ":" );
-	maxLen -= len;
-	if( maxLen < 0)
-	    continue;
-
-	strcpy( buf, kIODeviceTreePlane ":" );
-	comp = buf + len;
-
-	len = strlen( path );
-	maxLen -= len;
-	if( maxLen < 0)
-	    continue;
-        strncpy( comp, path, len );
-        comp[ len ] = 0;
-
-	matching = OSDictionary::withCapacity( 1 );
-	if( !matching)
-	    continue;
-
-	str = OSString::withCString( buf );
-	if( !str)
-	    continue;
-        matching->setObject( kIOPathMatchKey, str );
-	str->release();
-
-	return( matching );
-
-    } while( false );
-
-    if( matching)
-        matching->release();
-
-    return( 0 );
+    return( IODiskMatching( path, buf, maxLen ));
+
 }
 
 IOService * IOFindMatchingChild( IOService * service )
@@ -442,7 +406,6 @@
     UInt32		flags = 0;
     int			minor, major;
     bool		findHFSChild = false;
-    char *              mediaProperty = 0;
     char *		rdBootVar;
     enum {		kMaxPathBuf = 512, kMaxBootVar = 128 };
     char *		str;
@@ -450,11 +413,10 @@
     int			len;
     bool		forceNet = false;
     bool		debugInfoPrintedOnce = false;
-    const char * 	uuidStr = NULL;
 
     static int		mountAttempts = 0;
 				
-    int xchar, dchar;
+	int xchar, dchar;
                                     
 
     if( mountAttempts++)
@@ -470,47 +432,19 @@
 	rdBootVar[0] = 0;
 
     do {
-	if( (regEntry = IORegistryEntry::fromPath( "/chosen", gIODTPlane ))) {
-            data = OSDynamicCast(OSData, regEntry->getProperty( "root-matching" ));
-            if (data) {
-               matching = OSDynamicCast(OSDictionary, OSUnserializeXML((char *)data->getBytesNoCopy()));
-                if (matching) {
-                    continue;
-                }
-            }
-
-	    data = (OSData *) regEntry->getProperty( "boot-uuid" );
-	    if( data) {
-		uuidStr = (const char*)data->getBytesNoCopy();
-		OSString *uuidString = OSString::withCString( uuidStr );
-
-		// match the boot-args boot-uuid processing below
-		if( uuidString) {
-		    IOLog("rooting via boot-uuid from /chosen: %s\n", uuidStr);
-		    IOService::publishResource( "boot-uuid", uuidString );
-		    uuidString->release();
-		    matching = IOUUIDMatching();
-		    mediaProperty = "boot-uuid-media";
-		    regEntry->release();
-		    continue;
-		} else {
-		    uuidStr = NULL;
+        if( (regEntry = IORegistryEntry::fromPath( "/chosen", gIODTPlane ))) {
+			data = (OSData *) regEntry->getProperty( "rootpath" );
+			regEntry->release();
+			if( data) continue;
 		}
-	    }
-
-	    // else try for an OF Path
-	    data = (OSData *) regEntry->getProperty( "rootpath" );
-	    regEntry->release();
-	    if( data) continue;
-	}
         if( (regEntry = IORegistryEntry::fromPath( "/options", gIODTPlane ))) {
-	    data = (OSData *) regEntry->getProperty( "boot-file" );
-	    regEntry->release();
-	    if( data) continue;
-	}
+			data = (OSData *) regEntry->getProperty( "boot-file" );
+			regEntry->release();
+			if( data) continue;
+		}
     } while( false );
 
-    if( data && !uuidStr)
+    if( data)
         look = (const char *) data->getBytesNoCopy();
 
     if( rdBootVar[0] == '*') {
@@ -578,12 +512,10 @@
 	// from OpenFirmware path
 	IOLog("From path: \"%s\", ", look);
 
-        if (!matching) {
-            if( forceNet || (0 == strncmp( look, "enet", strlen( "enet" ))) ) {
-                matching = IONetworkMatching( look, str, kMaxPathBuf );
-            } else {
-                matching = IODiskMatching( look, str, kMaxPathBuf );
-            }
+	if( forceNet || (0 == strncmp( look, "enet", strlen( "enet" ))) ) {
+            matching = IONetworkMatching( look, str, kMaxPathBuf );
+        } else {
+            matching = IODiskMatching( look, str, kMaxPathBuf );
         }
     }
     
@@ -598,26 +530,6 @@
 	} else if ( strncmp( look, "cdrom", strlen( "cdrom" )) == 0 ) {
             matching = IOCDMatching();
             findHFSChild = true;
-        } else if ( strncmp( look, "uuid", strlen( "uuid" )) == 0 ) {
-            char *uuid;
-            OSString *uuidString;
-
-            uuid = (char *)IOMalloc( kMaxBootVar );
-                  
-            if ( uuid ) {
-                if (!PE_parse_boot_arg( "boot-uuid", uuid )) {
-                    panic( "rd=uuid but no boot-uuid=<value> specified" ); 
-                } 
-                uuidString = OSString::withCString( uuid );
-                if ( uuidString ) {
-                    IOService::publishResource( "boot-uuid", uuidString );
-                    uuidString->release();
-                    IOLog( "\nWaiting for boot volume with UUID %s\n", uuid );
-                    matching = IOUUIDMatching();
-                    mediaProperty = "boot-uuid-media";
-                }
-                IOFree( uuid, kMaxBootVar );
-            }
 	} else {
 	    matching = IOBSDNameMatching( look );
 	}
@@ -684,8 +596,6 @@
         // look for a subservice with an Apple_HFS child
         IOService * subservice = IOFindMatchingChild( service );
         if ( subservice ) service = subservice;
-    } else if ( service && mediaProperty ) {
-        service = (IOService *)service->getProperty(mediaProperty);
     }
 
     major = 0;