#include <pexpert/device_tree.h>
+typedef UInt32 dtptr_t;
+
#include <machine/machine_routines.h>
extern "C" {
const OSSymbol * gIODTCompatibleKey;
const OSSymbol * gIODTTypeKey;
const OSSymbol * gIODTModelKey;
+const OSSymbol * gIODTTargetTypeKey;
const OSSymbol * gIODTSizeCellKey;
const OSSymbol * gIODTAddressCellKey;
gIODTCompatibleKey = OSSymbol::withCStringNoCopy( "compatible" );
gIODTTypeKey = OSSymbol::withCStringNoCopy( "device_type" );
gIODTModelKey = OSSymbol::withCStringNoCopy( "model" );
+ gIODTTargetTypeKey = OSSymbol::withCStringNoCopy( "target-type" );
gIODTSizeCellKey = OSSymbol::withCStringNoCopy( "#size-cells" );
gIODTAddressCellKey = OSSymbol::withCStringNoCopy( "#address-cells" );
gIODTRangeKey = OSSymbol::withCStringNoCopy( "ranges" );
{
IORegistryEntry *chosen;
OSData *propObj;
- unsigned int *propPtr;
+ dtptr_t *propPtr;
unsigned int propSize;
+ int ret = -1;
chosen = IORegistryEntry::fromPath( "/chosen/memory-map", gIODTPlane );
if ( chosen == 0 ) return -1;
propObj = OSDynamicCast( OSData, chosen->getProperty(key) );
- if ( propObj == 0 ) return -1;
+ if ( propObj == 0 ) goto cleanup;
propSize = propObj->getLength();
- if ( propSize != (2 * sizeof(UInt32)) ) return -1;
+ if ( propSize != (2 * sizeof(dtptr_t)) ) goto cleanup;
- propPtr = (unsigned int *)propObj->getBytesNoCopy();
- if ( propPtr == 0 ) return -1;
+ propPtr = (dtptr_t *)propObj->getBytesNoCopy();
+ if ( propPtr == 0 ) goto cleanup;
- *infoAddr = (void *)propPtr[0] ;
- *infoSize = (int) propPtr[1];
+ *infoAddr = (void *)(uintptr_t) (propPtr[0]);
+ *infoSize = (int) (propPtr[1]);
- return 0;
+ ret = 0;
+
+cleanup:
+ chosen->release();
+
+ return ret;
}
void IODTFreeLoaderInfo( const char *key, void *infoAddr, int infoSize )
chosen = IORegistryEntry::fromPath( "/chosen/memory-map", gIODTPlane );
if ( chosen != 0 ) {
chosen->removeProperty(key);
+ chosen->release();
}
}
}
char *name;
char location[ 32 ];
bool noLocation = true;
+ bool kernelOnly;
regEntry = new IOService;
if( regEntry &&
(kSuccess == DTCreatePropertyIterator( dtEntry, &dtIter))) {
+ kernelOnly = (kSuccess == DTGetProperty(dtEntry, "kernel-only", &prop, &propSize));
propTable = regEntry->getPropertyTable();
while( kSuccess == DTIterateProperties( dtIter, &name)) {
}
assert( nameKey && data );
+ if (kernelOnly)
+ data->setSerializable(false);
+
propTable->setObject( nameKey, data);
data->release();
nameKey->release();
static bool GetUInt32( IORegistryEntry * regEntry, const OSSymbol * name,
UInt32 * value )
{
- OSData *data;
+ OSObject * obj;
+ OSData * data;
+ bool result;
- if( (data = OSDynamicCast( OSData, regEntry->getProperty( name )))
- && (4 == data->getLength())) {
- *value = *((UInt32 *) data->getBytesNoCopy());
- return( true );
- } else
- return( false );
+ if (!(obj = regEntry->copyProperty(name))) return (false);
+
+ result = ((data = OSDynamicCast(OSData, obj)) && (sizeof(UInt32) == data->getLength()));
+ if (result) *value = *((UInt32 *) data->getBytesNoCopy());
+
+ obj->release();
+ return(result);
}
static IORegistryEntry * IODTFindInterruptParent( IORegistryEntry * regEntry, IOItemCount index )
/*
*/
-static const char *
+static bool
CompareKey( OSString * key,
- const IORegistryEntry * table, const OSSymbol * propName )
+ const IORegistryEntry * table, const OSSymbol * propName,
+ OSString ** matchingName )
{
OSObject *prop;
OSData *data;
OSString *string;
const char *ckey;
UInt32 keyLen;
+ UInt32 nlen;
const char *names;
const char *lastName;
bool wild;
bool matched;
const char *result = 0;
- if( 0 == (prop = table->getProperty( propName )))
- return( 0 );
+ if( 0 == (prop = table->copyProperty( propName ))) return( 0 );
if( (data = OSDynamicCast( OSData, prop ))) {
names = (const char *) data->getBytesNoCopy();
} else if( (string = OSDynamicCast( OSString, prop ))) {
names = string->getCStringNoCopy();
lastName = names + string->getLength() + 1;
- } else
- return( 0 );
+ } else names = 0;
- ckey = key->getCStringNoCopy();
- keyLen = key->getLength();
- wild = ('*' == key->getChar( keyLen - 1 ));
+ if (names) {
+ ckey = key->getCStringNoCopy();
+ keyLen = key->getLength();
+ wild = ('*' == key->getChar( keyLen - 1 ));
- do {
- // for each name in the property
- if( wild)
- matched = (0 == strncmp( ckey, names, keyLen - 1 ));
- else
- matched = (keyLen == strlen( names ))
- && (0 == strncmp( ckey, names, keyLen ));
+ do {
+ // for each name in the property
+ nlen = strnlen(names, lastName - names);
+ if( wild)
+ matched = ((nlen >= (keyLen - 1)) && (0 == strncmp(ckey, names, keyLen - 1)));
+ else
+ matched = (keyLen == nlen) && (0 == strncmp(ckey, names, keyLen));
- if( matched)
- result = names;
+ if( matched)
+ result = names;
- names = names + strlen( names) + 1;
+ names = names + nlen + 1;
+
+ } while( (names < lastName) && (false == matched));
+ }
- } while( (names < lastName) && (false == matched));
+ if (result && matchingName) *matchingName = OSString::withCString( result );
- return( result);
+ if (prop) prop->release();
+
+ return (result != 0);
}
bool IODTCompareNubName( const IORegistryEntry * regEntry,
OSString * name, OSString ** matchingName )
{
- const char *result;
- bool matched;
-
- matched = (0 != (result = CompareKey( name, regEntry, gIODTNameKey)))
- || (0 != (result = CompareKey( name, regEntry, gIODTCompatibleKey)))
- || (0 != (result = CompareKey( name, regEntry, gIODTTypeKey)))
- || (0 != (result = CompareKey( name, regEntry, gIODTModelKey)));
+ bool matched;
- if( result && matchingName)
- *matchingName = OSString::withCString( result );
+ matched = CompareKey( name, regEntry, gIODTNameKey, matchingName)
+ || CompareKey( name, regEntry, gIODTCompatibleKey, matchingName)
+ || CompareKey( name, regEntry, gIODTTypeKey, matchingName)
+ || CompareKey( name, regEntry, gIODTModelKey, matchingName);
- return( result != 0 );
+ return (matched);
}
bool IODTMatchNubWithKeys( IORegistryEntry * regEntry,
}
cIter = OSCollectionIterator::withCollection( result);
- result->release();
+ if (result) result->release();
return( cIter);
}
if( !prop)
return;
+ prop->setSerializable(false);
regEntry->setProperty( gIODTPersistKey, prop);
prop->release();
return;
}
+#if defined(__arm__) || defined(__i386__) || defined(__x86_64__)
static SInt32 DefaultCompare( UInt32 cellCount, UInt32 left[], UInt32 right[] )
{
- cellCount--;
- return( left[ cellCount ] - right[ cellCount ] );
+ cellCount--;
+ return( left[ cellCount ] - right[ cellCount ] );
+}
+#else
+#error Unknown architecture.
+#endif
+
+static void AddLengthToCells( UInt32 numCells, UInt32 *cells, UInt64 offset)
+{
+ if (numCells == 1)
+ {
+ cells[0] += (UInt32)offset;
+ }
+ else {
+ UInt64 sum = cells[numCells - 1] + offset;
+ cells[numCells - 1] = (UInt32)sum;
+ if (sum > UINT32_MAX) {
+ cells[numCells - 2] += (UInt32)(sum >> 32);
+ }
+ }
+}
+
+static IOPhysicalAddress CellsValue( UInt32 numCells, UInt32 *cells)
+{
+ if (numCells == 1) {
+ return IOPhysical32( 0, cells[0] );
+ } else {
+ return IOPhysical32( cells[numCells - 2], cells[numCells - 1] );
+ }
}
void IODTGetCellCounts( IORegistryEntry * regEntry,
bool IODTResolveAddressCell( IORegistryEntry * regEntry,
UInt32 cellsIn[],
- IOPhysicalAddress * phys, IOPhysicalLength * len )
+ IOPhysicalAddress * phys, IOPhysicalLength * lenOut )
{
IORegistryEntry *parent;
OSData *prop;
// cells in addresses below regEntry
UInt32 childSizeCells, childAddressCells;
UInt32 childCells;
- UInt32 cell[ 5 ], offset = 0, length;
- UInt32 endCell[ 5 ];
+ UInt32 cell[ 8 ], propLen;
+ UInt64 offset = 0;
+ UInt32 endCell[ 8 ];
UInt32 *range;
UInt32 *lookRange;
UInt32 *startRange;
UInt32 *endRanges;
bool ok = true;
- SInt32 diff, diff2, endDiff;
+ SInt64 diff, diff2, endDiff;
+ UInt64 len, rangeLen;
IODTPersistent *persist;
IODTCompareAddressCellFunc compare;
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 );
- if( childSizeCells > 1)
- *len = IOPhysical32( cellsIn[ childAddressCells ],
- cellsIn[ childAddressCells + 1 ] );
- else
- *len = IOPhysical32( 0, cellsIn[ childAddressCells ] );
+ *lenOut = CellsValue( childSizeCells, cellsIn + childAddressCells );
do
{
- prop = OSDynamicCast( OSData, regEntry->getProperty( gIODTRangeKey ));
- if( 0 == prop) {
- /* end of the road */
- *phys = IOPhysical32( 0, cell[ childAddressCells - 1 ] + offset);
- break;
- }
+ prop = OSDynamicCast( OSData, regEntry->getProperty( gIODTRangeKey ));
+ if( 0 == prop) {
+ /* end of the road */
+ *phys = CellsValue( childAddressCells, cell );
+ *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
- compare = DefaultCompare;
-
- for( ok = false;
- range < endRanges;
- range += (childCells + addressCells) ) {
-
- // is cell start within range?
- diff = (*compare)( childAddressCells, cell, range );
-
- bcopy(range, endCell, childAddressCells * sizeof(UInt32));
- 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));
- 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;
- }
+ parent = regEntry->getParentEntry( gIODTPlane );
+ IODTGetCellCounts( parent, &sizeCells, &addressCells );
+
+ if( (propLen = prop->getLength())) {
+ // search
+ startRange = (UInt32 *) prop->getBytesNoCopy();
+ range = startRange;
+ endRanges = range + (propLen / 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));
+
+ rangeLen = CellsValue(childSizeCells, range + childAddressCells + addressCells);
+ AddLengthToCells(childAddressCells, endCell, rangeLen);
+
+ diff2 = (*compare)( childAddressCells, cell, endCell );
+
+ // if start of cell < start of range, or end of range >= start of cell, skip
+ if ((diff < 0) || (diff2 >= 0))
+ continue;
+
+ len = CellsValue(childSizeCells, cell + childAddressCells);
+ ok = (0 == len);
+
+ if (!ok)
+ {
+ // search for cell end
+ bcopy(cell, endCell, childAddressCells * sizeof(UInt32));
+
+ AddLengthToCells(childAddressCells, endCell, len - 1);
+
+ for( lookRange = startRange;
+ lookRange < endRanges;
+ lookRange += (childCells + addressCells) )
+ {
+ // make sure end of cell >= range start
+ endDiff = (*compare)( childAddressCells, endCell, lookRange );
+ if( endDiff < 0)
+ continue;
+
+ UInt64 rangeStart = CellsValue(addressCells, range + childAddressCells);
+ UInt64 lookRangeStart = CellsValue(addressCells, lookRange + childAddressCells);
+ if ((endDiff - len + 1 + lookRangeStart) == (diff + rangeStart))
+ {
+ 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 );
+ // 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 */
+ } /* else zero length range => pass thru to parent */
- regEntry = parent;
- childSizeCells = sizeCells;
- childAddressCells = addressCells;
- childCells = childAddressCells + childSizeCells;
+ regEntry = parent;
+ childSizeCells = sizeCells;
+ childAddressCells = addressCells;
+ childCells = childAddressCells + childSizeCells;
}
while( ok && regEntry);
OSData *ret = 0;
UInt32 *bits;
UInt32 i;
+ size_t nlen;
char *names;
char *lastName;
UInt32 mask;
for( i = 0; (i <= deviceNumber) && (names < lastName); i++ ) {
if( mask & (1 << i)) {
+ nlen = 1 + strnlen(names, lastName - names);
if( i == deviceNumber) {
- data = OSData::withBytesNoCopy( names, 1 + strlen( names));
+ data = OSData::withBytesNoCopy(names, nlen);
if( data) {
regEntry->setProperty("AAPL,slot-name", data);
ret = data;
data->release();
}
} else
- names += 1 + strlen( names);
+ names += nlen;
}
}
projects / apple / xnu.git / blobdiff