xnu-1699.24.23.tar.gz

[apple/xnu.git] / iokit / Kernel / IODeviceTreeSupport.cpp

diff --git a/iokit/Kernel/IODeviceTreeSupport.cpp b/iokit/Kernel/IODeviceTreeSupport.cpp
index 4b6a1fdf2ffcce859b225c3dfd200399f52ca840..8de463efd3b3edc1c9b21990ba12fffa407ccd6f 100644 (file)
--- a/iokit/Kernel/IODeviceTreeSupport.cpp
+++ b/iokit/Kernel/IODeviceTreeSupport.cpp
@@ -37,12 +37,14 @@
 
 #include <pexpert/device_tree.h>
 
+#include <machine/machine_routines.h>
+
 extern "C" {
-    #include <machine/machine_routines.h>
-    void DTInit( void * data );
 
-    int IODTGetLoaderInfo( char *key, void **infoAddr, int *infosize );
-    void IODTFreeLoaderInfo( char *key, void *infoAddr, int infoSize );
+int IODTGetLoaderInfo( const char *key, void **infoAddr, int *infosize );
+void IODTFreeLoaderInfo( const char *key, void *infoAddr, int infoSize );
+int IODTGetDefault(const char *key, void *infoAddr, unsigned int infoSize );
+
 }
 
 #include <IOKit/assert.h>
@@ -91,7 +93,6 @@ IODeviceTreeAlloc( void * dtTop )
     DTEntry                    mapEntry;
     OSArray *                  stack;
     OSData *                   prop;
-    OSObject *                 obj;
     OSDictionary *             allInts;
     vm_offset_t *              dtMap;
     unsigned int               propSize;
@@ -144,7 +145,7 @@ IODeviceTreeAlloc( void * dtTop )
     freeDT = (kSuccess == DTLookupEntry( 0, "/chosen/memory-map", &mapEntry ))
          && (kSuccess == DTGetProperty( mapEntry,
                 "DeviceTree", (void **) &dtMap, &propSize ))
-         && ((2 * sizeof(vm_offset_t)) == propSize);
+         && ((2 * sizeof(uint32_t)) == propSize);
 
     parent = MakeReferenceTable( (DTEntry)dtTop, freeDT );
 
@@ -193,7 +194,7 @@ IODeviceTreeAlloc( void * dtTop )
         // free original device tree
         DTInit(0);
         IODTFreeLoaderInfo( "DeviceTree",
-                       (void *)dtMap[0], round_page_32(dtMap[1]) );
+                           (void *)dtMap[0], (int) round_page(dtMap[1]) );
     }
 
     // adjust tree
@@ -210,22 +211,6 @@ IODeviceTreeAlloc( void * dtTop )
             if( !intMap && child->getProperty( gIODTInterruptParentKey))
                 intMap = true;
 
-            // Look for a "driver,AAPL,MacOSX,PowerPC" property.
-            if( (obj = child->getProperty( "driver,AAPL,MacOSX,PowerPC"))) {
-                gIOCatalogue->addExtensionsFromArchive((OSData *)obj);
-                child->removeProperty( "driver,AAPL,MacOSX,PowerPC");
-            }
-
-            // some gross pruning
-            child->removeProperty( "lanLib,AAPL,MacOS,PowerPC");
-
-            if( (obj = child->getProperty( "driver,AAPL,MacOS,PowerPC"))) {
-
-                if( (0 == (prop = (OSData *)child->getProperty( gIODTTypeKey )))
-                  || (strncmp("display", (char *)prop->getBytesNoCopy(), sizeof("display"))) ) {
-                    child->removeProperty( "driver,AAPL,MacOS,PowerPC");
-                }
-            }
         }
         regIter->release();
     }
@@ -262,7 +247,7 @@ IODeviceTreeAlloc( void * dtTop )
     return( parent);
 }
 
-int IODTGetLoaderInfo( char *key, void **infoAddr, int *infoSize )
+int IODTGetLoaderInfo( const char *key, void **infoAddr, int *infoSize )
 {
     IORegistryEntry            *chosen;
     OSData                             *propObj;
@@ -287,7 +272,7 @@ int IODTGetLoaderInfo( char *key, void **infoAddr, int *infoSize )
     return 0;
 }
 
-void IODTFreeLoaderInfo( char *key, void *infoAddr, int infoSize )
+void IODTFreeLoaderInfo( const char *key, void *infoAddr, int infoSize )
 {
     vm_offset_t                        range[2];
     IORegistryEntry            *chosen;
@@ -304,15 +289,31 @@ void IODTFreeLoaderInfo( char *key, void *infoAddr, int infoSize )
     }
 }
 
+int IODTGetDefault(const char *key, void *infoAddr, unsigned int infoSize )
+{
+    IORegistryEntry            *defaults;
+    OSData                     *defaultObj;
+    unsigned int               defaultSize;
+
+    defaults = IORegistryEntry::fromPath( "/defaults", gIODTPlane );
+    if ( defaults == 0 ) return -1;
+
+    defaultObj = OSDynamicCast( OSData, defaults->getProperty(key) );
+    if ( defaultObj == 0 ) return -1;
+
+    defaultSize = defaultObj->getLength();
+    if ( defaultSize > infoSize) return -1;
+
+    memcpy( infoAddr, defaultObj->getBytesNoCopy(), defaultSize );
+
+    return 0;
+}
+
 static void FreePhysicalMemory( vm_offset_t * range )
 {
     vm_offset_t        virt;
 
-#if defined (__i386__)
-    virt = ml_boot_ptovirt( range[0] );
-#else
     virt = ml_static_ptovirt( range[0] );
-#endif
     if( virt) {
         ml_static_mfree( virt, range[1] );
     }
@@ -383,7 +384,7 @@ MakeReferenceTable( DTEntry dtEntry, bool copy )
     
             } else if(noLocation && (!strncmp(name, "reg", sizeof("reg")))) {
                 // default location - override later
-                snprintf(location, sizeof(location), "%lX", *((UInt32 *) prop));
+                snprintf(location, sizeof(location), "%X", *((uint32_t *) prop));
                 regEntry->setLocation( location );
             }
         }
@@ -435,15 +436,21 @@ static bool GetUInt32( IORegistryEntry * regEntry, const OSSymbol * name,
         return( false );
 }
 
-IORegistryEntry * IODTFindInterruptParent( IORegistryEntry * regEntry )
+static IORegistryEntry * IODTFindInterruptParent( IORegistryEntry * regEntry, IOItemCount index )
 {
     IORegistryEntry *  parent;
     UInt32             phandle;
+    OSData         *   data;
+    unsigned int       len;
 
-    if( GetUInt32( regEntry, gIODTInterruptParentKey, &phandle))
-        parent = FindPHandle( phandle );
+    if( (data = OSDynamicCast( OSData, regEntry->getProperty( gIODTInterruptParentKey )))
+      && (sizeof(UInt32) <= (len = data->getLength()))) {
+       if (((index + 1) * sizeof(UInt32)) > len)
+           index = 0;
+       phandle = ((UInt32 *) data->getBytesNoCopy())[index];
+       parent = FindPHandle( phandle );
 
-    else if( 0 == regEntry->getProperty( "interrupt-controller"))
+    } else if( 0 == regEntry->getProperty( "interrupt-controller"))
         parent = regEntry->getParentEntry( gIODTPlane);
     else
         parent = 0;
@@ -462,7 +469,7 @@ const OSSymbol * IODTInterruptControllerName( IORegistryEntry * regEntry )
     assert( ok );
 
     if( ok) {
-        snprintf(buf, sizeof(buf), "IOInterruptController%08lX", phandle);
+        snprintf(buf, sizeof(buf), "IOInterruptController%08X", (uint32_t)phandle);
         sym = OSSymbol::withCString( buf );
     } else
         sym = 0;
@@ -481,8 +488,8 @@ static void IODTGetICellCounts( IORegistryEntry * regEntry,
         *aCellCount = 0;
 }
 
-UInt32 IODTMapOneInterrupt( IORegistryEntry * regEntry, UInt32 * intSpec,
-                               OSData ** spec, const OSSymbol ** controller )
+static UInt32 IODTMapOneInterrupt( IORegistryEntry * regEntry, UInt32 * intSpec, UInt32 index,
+                                   OSData ** spec, const OSSymbol ** controller )
 {
     IORegistryEntry *parent = 0;
     OSData                     *data;
@@ -494,7 +501,7 @@ UInt32 IODTMapOneInterrupt( IORegistryEntry * regEntry, UInt32 * intSpec,
     UInt32                     i, original_icells;
     bool                       cmp, ok = false;
 
-    parent = IODTFindInterruptParent( regEntry );    
+    parent = IODTFindInterruptParent( regEntry, index );    
     IODTGetICellCounts( parent, &icells, &acells );
     addrCmp = 0;
     if( acells) {
@@ -640,11 +647,12 @@ static bool IODTMapInterruptsSharing( IORegistryEntry * regEntry, OSDictionary *
     OSData *           local2;
     UInt32 *           localBits;
     UInt32 *           localEnd;
+    IOItemCount                index;
     OSData *           map;
     OSObject *         oneMap;
     OSArray *          mapped;
     OSArray *          controllerInts;
-    const OSSymbol *   controller;
+    const OSSymbol *   controller = 0;
     OSArray *          controllers;
     UInt32             skip = 1;
     bool               ok, nw;
@@ -666,6 +674,7 @@ static bool IODTMapInterruptsSharing( IORegistryEntry * regEntry, OSDictionary *
 
     localBits = (UInt32 *) local->getBytesNoCopy();
     localEnd = localBits + (local->getLength() / sizeof(UInt32));
+    index = 0;
     mapped = OSArray::withCapacity( 1 );
     controllers = OSArray::withCapacity( 1 );
 
@@ -673,7 +682,7 @@ static bool IODTMapInterruptsSharing( IORegistryEntry * regEntry, OSDictionary *
 
     if( ok) do {
         if( nw) {
-            skip = IODTMapOneInterrupt( regEntry, localBits, &map, &controller );
+            skip = IODTMapOneInterrupt( regEntry, localBits, index, &map, &controller );
             if( 0 == skip) {
                 IOLog("%s: error mapping interrupt[%d]\n",
                         regEntry->getName(), mapped->getCount());
@@ -686,6 +695,7 @@ static bool IODTMapInterruptsSharing( IORegistryEntry * regEntry, OSDictionary *
             controller->retain();
         }
 
+       index++;
         localBits += skip;
         mapped->setObject( map );
         controllers->setObject( controller );
@@ -836,7 +846,7 @@ bool IODTMatchNubWithKeys( IORegistryEntry * regEntry,
         result = regEntry->compareNames( obj );
                obj->release();
     }
-#ifdef DEBUG
+#if DEBUG
     else IOLog("Couldn't unserialize %s\n", keys );
 #endif
 
@@ -1092,7 +1102,7 @@ OSArray * IODTResolveAddressing( IORegistryEntry * regEntry,
             range = 0;
             if( parent)
                 range = IODeviceMemory::withSubRange( parent,
-                        phys - parent->getPhysicalAddress(), len );
+                        phys - parent->getPhysicalSegment(0, 0, kIOMemoryMapperNone), len );
             if( 0 == range)
                 range = IODeviceMemory::withRange( phys, len );
             if( range)