/*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2008 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_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. 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. 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.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* HISTORY
#include <IOKit/IOWorkLoop.h>
#include <IOKit/pwr_mgt/RootDomain.h>
#include <IOKit/IOKitKeys.h>
+#include <IOKit/IOTimeStamp.h>
+#include <IOKit/IOUserClient.h>
#include <IOKit/system.h>
#include <libkern/c++/OSContainers.h>
-
+#include <libkern/crypto/sha1.h>
extern "C" {
#include <machine/machine_routines.h>
#include <pexpert/pexpert.h>
+#include <uuid/uuid.h>
}
void printDictionaryKeys (OSDictionary * inDictionary, char * inMsg);
-static void getCStringForObject (OSObject * inObj, char * outStr);
+static void getCStringForObject(OSObject *inObj, char *outStr, size_t outStrLen);
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
{
IORangeAllocator * physicalRanges;
OSData * busFrequency;
+ uint32_t debugFlags;
if (!super::start(provider))
return false;
-
+
+ // Override the mapper present flag is requested by boot arguments.
+ if (PE_parse_boot_argn("dart", &debugFlags, sizeof (debugFlags)) && (debugFlags == 0))
+ removeProperty(kIOPlatformMapperPresentKey);
+
// Register the presence or lack thereof a system
// PCI address mapper with the IOMapper class
-
-#if 1
- IORegistryEntry * regEntry = IORegistryEntry::fromPath("/u3/dart", gIODTPlane);
- if (!regEntry)
- regEntry = IORegistryEntry::fromPath("/dart", gIODTPlane);
- if (regEntry) {
- int debugFlags;
- if (!PE_parse_boot_arg("dart", &debugFlags) || debugFlags)
- setProperty(kIOPlatformMapperPresentKey, kOSBooleanTrue);
- regEntry->release();
- }
-#endif
-
IOMapper::setMapperRequired(0 != getProperty(kIOPlatformMapperPresentKey));
gIOInterruptControllers = OSDictionary::withCapacity(1);
int IOPlatformExpert::haltRestart(unsigned int type)
{
- if (type == kPEHangCPU) while (1);
+ if (type == kPEPanicSync) return 0;
+
+ if (type == kPEHangCPU) while (true) {}
+
+ if (type == kPEUPSDelayHaltCPU) {
+ // RestartOnPowerLoss feature was turned on, proceed with shutdown.
+ type = kPEHaltCPU;
+ }
+
+ // On ARM kPEPanicRestartCPU is supported in the drivers
+ if (type == kPEPanicRestartCPU)
+ type = kPERestartCPU;
if (PE_halt_restart) return (*PE_halt_restart)(type);
else return -1;
//
//*********************************************************************************
-void IOPlatformExpert::PMLog(const char * who,unsigned long event,unsigned long param1, unsigned long param2)
+void IOPlatformExpert::
+PMLog(const char *who, unsigned long event,
+ unsigned long param1, unsigned long param2)
{
- if( gIOKitDebug & kIOLogPower) {
- kprintf("%s %02d %08x %08x\n",who,event,param1,param2);
-// IOLog("%s %02d %08x %08x\n",who,event,param1,param2);
+ UInt32 debugFlags = gIOKitDebug;
+
+ if (debugFlags & kIOLogPower) {
+
+ clock_sec_t nows;
+ clock_usec_t nowus;
+ clock_get_system_microtime(&nows, &nowus);
+ nowus += (nows % 1000) * 1000000;
+
+ kprintf("pm%u %p %.30s %d %lx %lx\n",
+ nowus, current_thread(), who, // Identity
+ (int) event, (long) param1, (long) param2); // Args
+
+ if (debugFlags & kIOLogTracePower) {
+ static const UInt32 sStartStopBitField[] =
+ { 0x00000000, 0x00000040 }; // Only Program Hardware so far
+
+ // Arcane formula from Hacker's Delight by Warren
+ // abs(x) = ((int) x >> 31) ^ (x + ((int) x >> 31))
+ UInt32 sgnevent = ((long) event >> 31);
+ UInt32 absevent = sgnevent ^ (event + sgnevent);
+ UInt32 code = IODBG_POWER(absevent);
+
+ UInt32 bit = 1 << (absevent & 0x1f);
+ if (absevent < sizeof(sStartStopBitField) * 8
+ && (sStartStopBitField[absevent >> 5] & bit) ) {
+ // Or in the START or END bits, Start = 1 & END = 2
+ // If sgnevent == 0 then START - 0 => START
+ // else if sgnevent == -1 then START - -1 => END
+ code |= DBG_FUNC_START - sgnevent;
+ }
+
+ // Record the timestamp, wish I had a this pointer
+ IOTimeStampConstant(code, (uintptr_t) who, event, param1, param2);
+ }
}
}
root->init();
root->attach(this);
root->start(this);
- root->youAreRoot();
}
if ( mkey->isEqualTo ("name") ) {
char nameStr[64];
nameStr[0] = 0;
- getCStringForObject (inDictionary->getObject ("name"), nameStr );
+ getCStringForObject(inDictionary->getObject("name"), nameStr,
+ sizeof(nameStr));
if (strlen(nameStr) > 0)
IOLog ("%s name is %s\n", inMsg, nameStr);
}
mcoll->release ();
}
-static void getCStringForObject (OSObject * inObj, char * outStr)
+static void
+getCStringForObject(OSObject *inObj, char *outStr, size_t outStrLen)
{
char * buffer;
unsigned int len, i;
char * objString = (char *) (inObj->getMetaClass())->getClassName();
- if ((0 == strcmp(objString,"OSString")) || (0 == strcmp (objString, "OSSymbol")))
- strcpy (outStr, ((OSString *)inObj)->getCStringNoCopy());
+ if ((0 == strncmp(objString, "OSString", sizeof("OSString"))) ||
+ (0 == strncmp(objString, "OSSymbol", sizeof("OSSymbol"))))
+ strlcpy(outStr, ((OSString *)inObj)->getCStringNoCopy(), outStrLen);
- else if (0 == strcmp(objString,"OSData")) {
+ else if (0 == strncmp(objString, "OSData", sizeof("OSData"))) {
len = ((OSData *)inObj)->getLength();
buffer = (char *)((OSData *)inObj)->getBytesNoCopy();
if (buffer && (len > 0)) {
}
}
-/* IOPMPanicOnShutdownHang
+/* IOShutdownNotificationsTimedOut
* - Called from a timer installed by PEHaltRestart
*/
-static void IOPMPanicOnShutdownHang(thread_call_param_t p0, thread_call_param_t p1)
+static void IOShutdownNotificationsTimedOut(
+ thread_call_param_t p0,
+ thread_call_param_t p1)
{
- int type = (int)p0;
+ int type = (int)(long)p0;
/* 30 seconds has elapsed - resume shutdown */
- gIOPlatform->haltRestart(type);
+ if(gIOPlatform) gIOPlatform->haltRestart(type);
}
int PEHaltRestart(unsigned int type)
{
IOPMrootDomain *pmRootDomain = IOService::getPMRootDomain();
- bool noWaitForResponses;
AbsoluteTime deadline;
thread_call_t shutdown_hang;
- if(type == kPEHaltCPU || type == kPERestartCPU)
+ if(type == kPEHaltCPU || type == kPERestartCPU || type == kPEUPSDelayHaltCPU)
{
/* Notify IOKit PM clients of shutdown/restart
Clients subscribe to this message with a call to
If all goes well the machine will be off by the time
the timer expires.
*/
- shutdown_hang = thread_call_allocate( &IOPMPanicOnShutdownHang, (thread_call_param_t) type);
+ shutdown_hang = thread_call_allocate( &IOShutdownNotificationsTimedOut,
+ (thread_call_param_t) type);
clock_interval_to_deadline( 30, kSecondScale, &deadline );
thread_call_enter1_delayed( shutdown_hang, 0, deadline );
-
- noWaitForResponses = pmRootDomain->tellChangeDown2(type);
+
+ pmRootDomain->handlePlatformHaltRestart(type);
/* This notification should have few clients who all do
their work synchronously.
In this "shutdown notification" context we don't give
drivers the option of working asynchronously and responding
later. PM internals make it very hard to wait for asynchronous
- replies. In fact, it's a bad idea to even be calling
- tellChangeDown2 from here at all.
+ replies.
*/
}
long PEGetGMTTimeOfDay(void)
{
- if( gIOPlatform)
- return( gIOPlatform->getGMTTimeOfDay());
- else
- return( 0 );
+ long result = 0;
+
+ if( gIOPlatform) result = gIOPlatform->getGMTTimeOfDay();
+
+ return (result);
}
void PESetGMTTimeOfDay(long secs)
{
- if( gIOPlatform)
- gIOPlatform->setGMTTimeOfDay(secs);
+ if( gIOPlatform) gIOPlatform->setGMTTimeOfDay(secs);
}
} /* extern "C" */
void IOPlatformExpert::registerNVRAMController(IONVRAMController * caller)
{
+ OSData * data;
+ IORegistryEntry * entry;
+ OSString * string = 0;
+ uuid_string_t uuid;
+
+ entry = IORegistryEntry::fromPath( "/efi/platform", gIODTPlane );
+ if ( entry )
+ {
+ data = OSDynamicCast( OSData, entry->getProperty( "system-id" ) );
+ if ( data && data->getLength( ) == 16 )
+ {
+ SHA1_CTX context;
+ uint8_t digest[ SHA_DIGEST_LENGTH ];
+ const uuid_t space = { 0x2A, 0x06, 0x19, 0x90, 0xD3, 0x8D, 0x44, 0x40, 0xA1, 0x39, 0xC4, 0x97, 0x70, 0x37, 0x65, 0xAC };
+
+ SHA1Init( &context );
+ SHA1Update( &context, space, sizeof( space ) );
+ SHA1Update( &context, data->getBytesNoCopy( ), data->getLength( ) );
+ SHA1Final( digest, &context );
+
+ digest[ 6 ] = ( digest[ 6 ] & 0x0F ) | 0x50;
+ digest[ 8 ] = ( digest[ 8 ] & 0x3F ) | 0x80;
+
+ uuid_unparse( digest, uuid );
+ string = OSString::withCString( uuid );
+ }
+
+ entry->release( );
+ }
+
+ if ( string == 0 )
+ {
+ entry = IORegistryEntry::fromPath( "/options", gIODTPlane );
+ if ( entry )
+ {
+ data = OSDynamicCast( OSData, entry->getProperty( "platform-uuid" ) );
+ if ( data && data->getLength( ) == sizeof( uuid_t ) )
+ {
+ uuid_unparse( ( uint8_t * ) data->getBytesNoCopy( ), uuid );
+ string = OSString::withCString( uuid );
+ }
+
+ entry->release( );
+ }
+ }
+
+ if ( string )
+ {
+ getProvider( )->setProperty( kIOPlatformUUIDKey, string );
+ publishResource( kIOPlatformUUIDKey, string );
+
+ string->release( );
+ }
+
publishResource("IONVRAM");
}
if (waitForFunction) {
_resources = waitForService(resourceMatching(functionName));
} else {
- _resources = resources();
+ _resources = getResourceService();
}
if (_resources == 0) return kIOReturnUnsupported;
return( ok );
}
-void IODTPlatformExpert::processTopLevel( IORegistryEntry * root )
+void IODTPlatformExpert::processTopLevel( IORegistryEntry * rootEntry )
{
OSIterator * kids;
IORegistryEntry * next;
IORegistryEntry * options;
// infanticide
- kids = IODTFindMatchingEntries( root, 0, deleteList() );
+ kids = IODTFindMatchingEntries( rootEntry, 0, deleteList() );
if( kids) {
while( (next = (IORegistryEntry *)kids->getNextObject())) {
next->detachAll( gIODTPlane);
}
// Publish an IODTNVRAM class on /options.
- options = root->childFromPath("options", gIODTPlane);
+ options = rootEntry->childFromPath("options", gIODTPlane);
if (options) {
dtNVRAM = new IODTNVRAM;
if (dtNVRAM) {
}
// Publish the cpus.
- cpus = root->childFromPath( "cpus", gIODTPlane);
+ cpus = rootEntry->childFromPath( "cpus", gIODTPlane);
if ( cpus)
createNubs( this, IODTFindMatchingEntries( cpus, kIODTExclusive, 0));
// publish top level, minus excludeList
- createNubs( this, IODTFindMatchingEntries( root, kIODTExclusive, excludeList()));
+ createNubs( this, IODTFindMatchingEntries( rootEntry, kIODTExclusive, excludeList()));
}
IOReturn IODTPlatformExpert::getNubResources( IOService * nub )
ok = (0 != prop);
if( ok )
- strncpy( name, (const char *) prop->getBytesNoCopy(), maxLength );
+ strlcpy( name, (const char *) prop->getBytesNoCopy(), maxLength );
return( ok );
}
OSString* IODTPlatformExpert::createSystemSerialNumberString(OSData* myProperty) {
UInt8* serialNumber;
unsigned int serialNumberSize;
- short pos = 0;
+ unsigned short pos = 0;
char* temp;
char SerialNo[30];
if (myProperty != NULL) {
serialNumberSize = myProperty->getLength();
serialNumber = (UInt8*)(myProperty->getBytesNoCopy());
- temp = serialNumber;
+ temp = (char*)serialNumber;
if (serialNumberSize > 0) {
// check to see if this is a CTO serial number...
while (pos < serialNumberSize && temp[pos] != '-') pos++;
argsData[ 2 ] = p3;
argsData[ 3 ] = p4;
- setProperty("IOPlatformArgs", (void *)argsData, sizeof( argsData));
+ setProperty("IOPlatformArgs", (void *)argsData, sizeof(argsData));
return( true);
}
return workLoop;
}
+IOReturn IOPlatformExpertDevice::setProperties( OSObject * properties )
+{
+ OSDictionary * dictionary;
+ OSObject * object;
+ IOReturn status;
+
+ status = super::setProperties( properties );
+ if ( status != kIOReturnUnsupported ) return status;
+
+ status = IOUserClient::clientHasPrivilege( current_task( ), kIOClientPrivilegeAdministrator );
+ if ( status != kIOReturnSuccess ) return status;
+
+ dictionary = OSDynamicCast( OSDictionary, properties );
+ if ( dictionary == 0 ) return kIOReturnBadArgument;
+
+ object = dictionary->getObject( kIOPlatformUUIDKey );
+ if ( object )
+ {
+ IORegistryEntry * entry;
+ OSString * string;
+ uuid_t uuid;
+
+ string = ( OSString * ) getProperty( kIOPlatformUUIDKey );
+ if ( string ) return kIOReturnNotPermitted;
+
+ string = OSDynamicCast( OSString, object );
+ if ( string == 0 ) return kIOReturnBadArgument;
+
+ status = uuid_parse( string->getCStringNoCopy( ), uuid );
+ if ( status != 0 ) return kIOReturnBadArgument;
+
+ entry = IORegistryEntry::fromPath( "/options", gIODTPlane );
+ if ( entry )
+ {
+ entry->setProperty( "platform-uuid", uuid, sizeof( uuid_t ) );
+ entry->release( );
+ }
+
+ setProperty( kIOPlatformUUIDKey, string );
+ publishResource( kIOPlatformUUIDKey, string );
+
+ return kIOReturnSuccess;
+ }
+
+ return kIOReturnUnsupported;
+}
+
void IOPlatformExpertDevice::free()
{
if (workLoop)
return false;
}
+
projects / apple / xnu.git / blobdiff