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--- xnu/xnu-2050.7.9/iokit/Kernel/IODeviceTreeSupport.cpp
+++ xnu/xnu-792/iokit/Kernel/IODeviceTreeSupport.cpp
@@ -1,29 +1,23 @@
/*
- * Copyright (c) 1998-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
*
- * 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.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * 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
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. 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/IODeviceTreeSupport.h>
@@ -37,14 +31,12 @@
#include <pexpert/device_tree.h>
-#include <machine/machine_routines.h>
-
extern "C" {
-
-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 <machine/machine_routines.h>
+ void DTInit( void * data );
+
+ int IODTGetLoaderInfo( char *key, void **infoAddr, int *infosize );
+ void IODTFreeLoaderInfo( char *key, void *infoAddr, int infoSize );
}
#include <IOKit/assert.h>
@@ -93,9 +85,10 @@
DTEntry mapEntry;
OSArray * stack;
OSData * prop;
+ OSObject * obj;
OSDictionary * allInts;
vm_offset_t * dtMap;
- unsigned int propSize;
+ int propSize;
bool intMap;
bool freeDT;
@@ -145,7 +138,7 @@
freeDT = (kSuccess == DTLookupEntry( 0, "/chosen/memory-map", &mapEntry ))
&& (kSuccess == DTGetProperty( mapEntry,
"DeviceTree", (void **) &dtMap, &propSize ))
- && ((2 * sizeof(uint32_t)) == propSize);
+ && ((2 * sizeof( vm_offset_t)) == propSize);
parent = MakeReferenceTable( (DTEntry)dtTop, freeDT );
@@ -194,7 +187,7 @@
// free original device tree
DTInit(0);
IODTFreeLoaderInfo( "DeviceTree",
- (void *)dtMap[0], (int) round_page(dtMap[1]) );
+ (void *)dtMap[0], round_page_32(dtMap[1]) );
}
// adjust tree
@@ -211,6 +204,22 @@
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 )))
+ || (strcmp( "display", (char *) prop->getBytesNoCopy())) ) {
+ child->removeProperty( "driver,AAPL,MacOS,PowerPC");
+ }
+ }
}
regIter->release();
}
@@ -247,7 +256,7 @@
return( parent);
}
-int IODTGetLoaderInfo( const char *key, void **infoAddr, int *infoSize )
+int IODTGetLoaderInfo( char *key, void **infoAddr, int *infoSize )
{
IORegistryEntry *chosen;
OSData *propObj;
@@ -272,7 +281,7 @@
return 0;
}
-void IODTFreeLoaderInfo( const char *key, void *infoAddr, int infoSize )
+void IODTFreeLoaderInfo( char *key, void *infoAddr, int infoSize )
{
vm_offset_t range[2];
IORegistryEntry *chosen;
@@ -287,26 +296,6 @@
chosen->removeProperty(key);
}
}
-}
-
-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 )
@@ -329,7 +318,7 @@
const OSSymbol *sym;
DTPropertyIterator dtIter;
void *prop;
- unsigned int propSize;
+ int propSize;
char *name;
char location[ 32 ];
bool noLocation = true;
@@ -374,17 +363,17 @@
} else if( nameKey == gIODTUnitKey ) {
// all OF strings are null terminated... except this one
- if( propSize >= (int) sizeof(location))
- propSize = sizeof(location) - 1;
+ if( propSize >= (int) sizeof( location))
+ propSize = sizeof( location) - 1;
strncpy( location, (const char *) prop, propSize );
location[ propSize ] = 0;
regEntry->setLocation( location );
propTable->removeObject( gIODTUnitKey );
noLocation = false;
- } else if(noLocation && (!strncmp(name, "reg", sizeof("reg")))) {
+ } else if( noLocation && (0 == strcmp( name, "reg"))) {
// default location - override later
- snprintf(location, sizeof(location), "%X", *((uint32_t *) prop));
+ sprintf( location, "%lX", *((UInt32 *) prop) );
regEntry->setLocation( location );
}
}
@@ -436,21 +425,15 @@
return( false );
}
-static IORegistryEntry * IODTFindInterruptParent( IORegistryEntry * regEntry, IOItemCount index )
+IORegistryEntry * IODTFindInterruptParent( IORegistryEntry * regEntry )
{
IORegistryEntry * parent;
UInt32 phandle;
- OSData * data;
- unsigned int len;
-
- 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"))
+
+ if( GetUInt32( regEntry, gIODTInterruptParentKey, &phandle))
+ parent = FindPHandle( phandle );
+
+ else if( 0 == regEntry->getProperty( "interrupt-controller"))
parent = regEntry->getParentEntry( gIODTPlane);
else
parent = 0;
@@ -469,7 +452,7 @@
assert( ok );
if( ok) {
- snprintf(buf, sizeof(buf), "IOInterruptController%08X", (uint32_t)phandle);
+ sprintf( buf, "IOInterruptController%08lX", phandle);
sym = OSSymbol::withCString( buf );
} else
sym = 0;
@@ -488,8 +471,8 @@
*aCellCount = 0;
}
-static UInt32 IODTMapOneInterrupt( IORegistryEntry * regEntry, UInt32 * intSpec, UInt32 index,
- OSData ** spec, const OSSymbol ** controller )
+UInt32 IODTMapOneInterrupt( IORegistryEntry * regEntry, UInt32 * intSpec,
+ OSData ** spec, const OSSymbol ** controller )
{
IORegistryEntry *parent = 0;
OSData *data;
@@ -501,12 +484,12 @@
UInt32 i, original_icells;
bool cmp, ok = false;
- parent = IODTFindInterruptParent( regEntry, index );
+ parent = IODTFindInterruptParent( regEntry );
IODTGetICellCounts( parent, &icells, &acells );
addrCmp = 0;
if( acells) {
data = OSDynamicCast( OSData, regEntry->getProperty( "reg" ));
- if( data && (data->getLength() >= (acells * sizeof(UInt32))))
+ if( data && (data->getLength() >= (acells * sizeof( UInt32))))
addrCmp = (UInt32 *) data->getBytesNoCopy();
}
original_icells = icells;
@@ -527,7 +510,7 @@
// found a controller - don't want to follow cascaded controllers
parent = 0;
*spec = OSData::withBytesNoCopy( (void *) intSpec,
- icells * sizeof(UInt32));
+ icells * sizeof( UInt32));
*controller = IODTInterruptControllerName( regEntry );
ok = (*spec && *controller);
} else if( parent && (data = OSDynamicCast( OSData,
@@ -536,7 +519,7 @@
map = (UInt32 *) data->getBytesNoCopy();
endMap = map + (data->getLength() / sizeof(UInt32));
data = OSDynamicCast( OSData, regEntry->getProperty( "interrupt-map-mask" ));
- if( data && (data->getLength() >= ((acells + icells) * sizeof(UInt32))))
+ if( data && (data->getLength() >= ((acells + icells) * sizeof( UInt32))))
maskCmp = (UInt32 *) data->getBytesNoCopy();
else
maskCmp = 0;
@@ -647,12 +630,11 @@
OSData * local2;
UInt32 * localBits;
UInt32 * localEnd;
- IOItemCount index;
OSData * map;
OSObject * oneMap;
OSArray * mapped;
OSArray * controllerInts;
- const OSSymbol * controller = 0;
+ const OSSymbol * controller;
OSArray * controllers;
UInt32 skip = 1;
bool ok, nw;
@@ -673,8 +655,7 @@
}
localBits = (UInt32 *) local->getBytesNoCopy();
- localEnd = localBits + (local->getLength() / sizeof(UInt32));
- index = 0;
+ localEnd = localBits + (local->getLength() / sizeof( UInt32));
mapped = OSArray::withCapacity( 1 );
controllers = OSArray::withCapacity( 1 );
@@ -682,20 +663,19 @@
if( ok) do {
if( nw) {
- skip = IODTMapOneInterrupt( regEntry, localBits, index, &map, &controller );
+ skip = IODTMapOneInterrupt( regEntry, localBits, &map, &controller );
if( 0 == skip) {
IOLog("%s: error mapping interrupt[%d]\n",
regEntry->getName(), mapped->getCount());
break;
}
} else {
- map = OSData::withData( local, mapped->getCount() * sizeof(UInt32),
- sizeof(UInt32));
+ map = OSData::withData( local, mapped->getCount() * sizeof( UInt32),
+ sizeof( UInt32));
controller = gIODTDefaultInterruptController;
controller->retain();
}
- index++;
localBits += skip;
mapped->setObject( map );
controllers->setObject( controller );
@@ -846,7 +826,7 @@
result = regEntry->compareNames( obj );
obj->release();
}
-#if DEBUG
+#ifdef DEBUG
else IOLog("Couldn't unserialize %s\n", keys );
#endif
@@ -917,11 +897,10 @@
persist.compareFunc = compareFunc;
persist.locationFunc = locationFunc;
- prop = OSData::withBytes( &persist, sizeof(persist));
+ prop = OSData::withBytes( &persist, sizeof( persist));
if( !prop)
return;
- prop->setSerializable(false);
regEntry->setProperty( gIODTPersistKey, prop);
prop->release();
return;
@@ -929,9 +908,10 @@
static SInt32 DefaultCompare( UInt32 cellCount, UInt32 left[], UInt32 right[] )
{
- cellCount--;
- return( left[ cellCount ] - right[ cellCount ] );
-}
+ cellCount--;
+ return( left[ cellCount ] - right[ cellCount ] );
+}
+
void IODTGetCellCounts( IORegistryEntry * regEntry,
UInt32 * sizeCount, UInt32 * addressCount)
@@ -960,15 +940,11 @@
// cells in addresses below regEntry
UInt32 childSizeCells, childAddressCells;
UInt32 childCells;
- UInt32 cell[ 8 ], length;
- UInt64 offset = 0;
- UInt32 endCell[ 8 ];
+ UInt32 cell[ 5 ], offset = 0, length;
UInt32 *range;
- UInt32 *lookRange;
- UInt32 *startRange;
UInt32 *endRanges;
bool ok = true;
- SInt64 diff, diff2, endDiff;
+ SInt32 diff;
IODTPersistent *persist;
IODTCompareAddressCellFunc compare;
@@ -976,130 +952,67 @@
IODTGetCellCounts( regEntry, &childSizeCells, &childAddressCells );
childCells = childAddressCells + childSizeCells;
- if (childCells > sizeof(cell)/sizeof(cell[0]))
- panic("IODTResolveAddressCell: Invalid device tree (%u,%u)", (uint32_t)childAddressCells, (uint32_t)childSizeCells);
-
- bcopy( cellsIn, cell, sizeof(UInt32) * childCells );
+ bcopy( cellsIn, cell, 4 * childCells );
if( childSizeCells > 1)
- *len = IOPhysical32( cellsIn[ childAddressCells + 1],
- cellsIn[ childAddressCells] );
+ *len = IOPhysical32( cellsIn[ childAddressCells ],
+ cellsIn[ childAddressCells + 1 ] );
else
*len = IOPhysical32( 0, cellsIn[ childAddressCells ] );
- do
- {
- prop = OSDynamicCast( OSData, regEntry->getProperty( gIODTRangeKey ));
- if( 0 == prop) {
+ do {
+ prop = OSDynamicCast( OSData, regEntry->getProperty( gIODTRangeKey ));
+ if( 0 == prop) {
/* end of the road */
- if (childAddressCells == 2) {
- *phys = IOPhysical32( cell[ childAddressCells - 1 ], cell [ childAddressCells - 2 ]);
- } else {
- *phys = IOPhysical32( 0, cell[ childAddressCells - 1 ]);
- }
- *phys += offset;
- break;
- }
-
- parent = regEntry->getParentEntry( gIODTPlane );
- IODTGetCellCounts( parent, &sizeCells, &addressCells );
-
- if( (length = prop->getLength())) {
- // search
- startRange = (UInt32 *) prop->getBytesNoCopy();
- range = startRange;
- endRanges = range + (length / sizeof(UInt32));
-
- prop = (OSData *) regEntry->getProperty( gIODTPersistKey );
- if( prop) {
- persist = (IODTPersistent *) prop->getBytesNoCopy();
- compare = persist->compareFunc;
- } else if (addressCells == childAddressCells) {
- compare = DefaultCompare;
- } else {
- panic("There is no mixed comparison function yet...");
- }
-
- for( ok = false;
- range < endRanges;
- range += (childCells + addressCells) ) {
-
- // is cell start within range?
- diff = (*compare)( childAddressCells, cell, range );
-
- if (childAddressCells > sizeof(endCell)/sizeof(endCell[0]))
- panic("IODTResolveAddressCell: Invalid device tree (%u)", (uint32_t)childAddressCells);
-
- bcopy(range, endCell, childAddressCells * sizeof(UInt32));
-
- if (childAddressCells == 2) {
- uint64_t sum = endCell[childAddressCells - 2] + IOPhysical32(range[childCells + addressCells - 1], range[childCells + addressCells - 2]);
- endCell[childAddressCells - 2] = (uint32_t)(sum & 0x00000000FFFFFFFFULL);
- if (sum > UINT32_MAX) {
- endCell[childAddressCells - 1] += (uint32_t)((sum & 0xFFFFFFFF00000000ULL) >> 32);
- }
- } else {
- endCell[childAddressCells - 1] += range[childCells + addressCells - 1];
- }
-
- diff2 = (*compare)( childAddressCells, cell, endCell );
-
- if ((diff < 0) || (diff2 >= 0))
- continue;
-
- ok = (0 == cell[childCells - 1]);
- if (!ok)
- {
- // search for cell end
- bcopy(cell, endCell, childAddressCells * sizeof(UInt32));
-
- if (childSizeCells == 2) {
- uint64_t sum;
- sum = endCell[childAddressCells - 2] + IOPhysical32(cell[childCells - 1], cell[childCells - 2]) - 1;
- endCell[childAddressCells - 2] = (uint32_t)(sum & 0x00000000FFFFFFFFULL);
- if (sum > UINT32_MAX) {
- endCell[childAddressCells - 1] += (uint32_t)((sum & 0xFFFFFFFF00000000ULL) >> 32);
- }
- } else {
- endCell[childAddressCells - 1] += cell[childCells - 1] - 1;
- }
- lookRange = startRange;
- for( ;
- lookRange < endRanges;
- lookRange += (childCells + addressCells) )
- {
- // is cell >= range start?
- endDiff = (*compare)( childAddressCells, endCell, lookRange );
- if( endDiff < 0)
- continue;
- if ((endDiff - cell[childCells - 1] + 1 + lookRange[childAddressCells + addressCells - 1])
- == (diff + range[childAddressCells + addressCells - 1]))
- {
- ok = true;
- break;
- }
- }
- if (!ok)
- continue;
- }
- offset += diff;
- break;
- }
-
- if (addressCells + sizeCells > sizeof(cell)/sizeof(cell[0]))
- panic("IODTResolveAddressCell: Invalid device tree (%u, %u)", (uint32_t)addressCells, (uint32_t)sizeCells);
-
- // Get the physical start of the range from our parent
- bcopy( range + childAddressCells, cell, sizeof(UInt32) * addressCells );
- bzero( cell + addressCells, sizeof(UInt32) * sizeCells );
-
- } /* else zero length range => pass thru to parent */
+ *phys = IOPhysical32( 0, cell[ childAddressCells - 1 ] + offset);
+ break;
+ }
+
+ parent = regEntry->getParentEntry( gIODTPlane );
+ IODTGetCellCounts( parent, &sizeCells, &addressCells );
+
+ if( (length = prop->getLength())) {
+ // search
+ range = (UInt32 *) prop->getBytesNoCopy();
+ endRanges = range + (length / 4);
+
+ prop = (OSData *) regEntry->getProperty( gIODTPersistKey );
+ if( prop) {
+ persist = (IODTPersistent *) prop->getBytesNoCopy();
+ compare = persist->compareFunc;
+ } else
+ compare = DefaultCompare;
+
+ for( ok = false;
+ range < endRanges;
+ range += (childCells + addressCells) ) {
+
+ // is cell >= range start?
+ diff = (*compare)( childAddressCells, cell, range );
+ if( diff < 0)
+ continue;
+
+ // is cell + size <= range end?
+ if( (diff + cell[ childCells - 1 ])
+ > range[ childCells + addressCells - 1 ])
+ continue;
+
+ offset += diff;
+ ok = true;
+ break;
+ }
+
+ // Get the physical start of the range from our parent
+ bcopy( range + childAddressCells, cell, 4 * addressCells );
+ bzero( cell + addressCells, 4 * sizeCells );
+
+ } /* else zero length range => pass thru to parent */
regEntry = parent;
childSizeCells = sizeCells;
childAddressCells = addressCells;
childCells = childAddressCells + childSizeCells;
- }
- while( ok && regEntry);
+
+ } while( ok && regEntry);
return( ok);
}
@@ -1141,7 +1054,7 @@
range = 0;
if( parent)
range = IODeviceMemory::withSubRange( parent,
- phys - parent->getPhysicalSegment(0, 0, kIOMemoryMapperNone), len );
+ phys - parent->getPhysicalAddress(), len );
if( 0 == range)
range = IODeviceMemory::withRange( phys, len );
if( range)