/*
- * Copyright (c) 1998-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2014 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <IOKit/IOKitKeys.h>
#include <IOKit/IOTimeStamp.h>
#include <IOKit/IOUserClient.h>
+#include <IOKit/IOKitDiagnosticsUserClient.h>
#include <IOKit/system.h>
OSDefineMetaClassAndStructors(IOPlatformExpert, IOService)
OSMetaClassDefineReservedUsed(IOPlatformExpert, 0);
-
OSMetaClassDefineReservedUsed(IOPlatformExpert, 1);
-OSMetaClassDefineReservedUnused(IOPlatformExpert, 2);
-OSMetaClassDefineReservedUnused(IOPlatformExpert, 3);
-OSMetaClassDefineReservedUnused(IOPlatformExpert, 4);
+OSMetaClassDefineReservedUsed(IOPlatformExpert, 2);
+OSMetaClassDefineReservedUsed(IOPlatformExpert, 3);
+OSMetaClassDefineReservedUsed(IOPlatformExpert, 4);
+
OSMetaClassDefineReservedUnused(IOPlatformExpert, 5);
OSMetaClassDefineReservedUnused(IOPlatformExpert, 6);
OSMetaClassDefineReservedUnused(IOPlatformExpert, 7);
// Override the mapper present flag is requested by boot arguments.
if (PE_parse_boot_argn("dart", &debugFlags, sizeof (debugFlags)) && (debugFlags == 0))
removeProperty(kIOPlatformMapperPresentKey);
-
+ if (PE_parse_boot_argn("-x", &debugFlags, sizeof (debugFlags)))
+ removeProperty(kIOPlatformMapperPresentKey);
+
// Register the presence or lack thereof a system
// PCI address mapper with the IOMapper class
IOMapper::setMapperRequired(0 != getProperty(kIOPlatformMapperPresentKey));
return kIOReturnSuccess;
}
+IOReturn IOPlatformExpert::deregisterInterruptController(OSSymbol *name)
+{
+ IOLockLock(gIOInterruptControllersLock);
+
+ gIOInterruptControllers->removeObject(name);
+
+ IOLockUnlock(gIOInterruptControllersLock);
+
+ return kIOReturnSuccess;
+}
+
IOInterruptController *IOPlatformExpert::lookUpInterruptController(OSSymbol *name)
{
OSObject *object;
return true;
}
+void IOPlatformExpert::getUTCTimeOfDay(clock_sec_t * secs, clock_nsec_t * nsecs)
+{
+ *secs = getGMTTimeOfDay();
+ *nsecs = 0;
+}
+
+void IOPlatformExpert::setUTCTimeOfDay(clock_sec_t secs, __unused clock_nsec_t nsecs)
+{
+ setGMTTimeOfDay(secs);
+}
+
//*********************************************************************************
// PMLog
PMLog(const char *who, unsigned long event,
unsigned long param1, unsigned long param2)
{
- UInt32 debugFlags = gIOKitDebug;
- UInt32 traceFlags = gIOKitTrace;
- uintptr_t name = 0;
- UInt32 i = 0;
-
- 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 (traceFlags & kIOTracePowerMgmt) {
- 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;
- }
-
- // Get first 8 characters of the name
- while ( i < sizeof(uintptr_t) && who[i] != 0)
- { ((char *)&name)[sizeof(uintptr_t)-i-1]=who[i]; i++; }
- // Record the timestamp.
- IOTimeStampConstant(code, name, event, param1, param2);
- }
- }
+ kprintf("pm%u %p %.30s %d %lx %lx\n",
+ nowus, OBFUSCATE(current_thread()), who, // Identity
+ (int) event, (long)OBFUSCATE(param1), (long)OBFUSCATE(param2)); // Args
}
thread_call_param_t p0,
thread_call_param_t p1)
{
-#ifdef CONFIG_EMBEDDED
- /* 30 seconds has elapsed - panic */
- panic("Halt/Restart Timed Out");
-
-#else /* ! CONFIG_EMBEDDED */
int type = (int)(long)p0;
/* 30 seconds has elapsed - resume shutdown */
if(gIOPlatform) gIOPlatform->haltRestart(type);
-#endif /* CONFIG_EMBEDDED */
}
IOPMrootDomain *pmRootDomain;
AbsoluteTime deadline;
thread_call_t shutdown_hang;
+ IORegistryEntry *node;
+ OSData *data;
+ uint32_t timeout = 30;
if(type == kPEHaltCPU || type == kPERestartCPU || type == kPEUPSDelayHaltCPU)
{
/* Spawn a thread that will panic in 30 seconds.
If all goes well the machine will be off by the time
- the timer expires.
+ the timer expires. If the device wants a different
+ timeout, use that value instead of 30 seconds.
*/
+#define RESTART_NODE_PATH "/chosen"
+ node = IORegistryEntry::fromPath( RESTART_NODE_PATH, gIODTPlane );
+ if ( node ) {
+ data = OSDynamicCast( OSData, node->getProperty( "halt-restart-timeout" ) );
+ if ( data && data->getLength() == 4 )
+ timeout = *((uint32_t *) data->getBytesNoCopy());
+ }
+
shutdown_hang = thread_call_allocate( &IOShutdownNotificationsTimedOut,
- (thread_call_param_t) type);
- clock_interval_to_deadline( 30, kSecondScale, &deadline );
+ (thread_call_param_t)(uintptr_t) type);
+ clock_interval_to_deadline( timeout, kSecondScale, &deadline );
thread_call_enter1_delayed( shutdown_hang, 0, deadline );
pmRootDomain->handlePlatformHaltRestart(type);
replies.
*/
}
+ else if(type == kPEPanicRestartCPU || type == kPEPanicSync)
+ {
+ IOCPURunPlatformPanicActions(type);
+ }
if (gIOPlatform) return gIOPlatform->haltRestart(type);
else return -1;
*len = data->getLength();
vlen = min(vlen, *len);
- if (vlen)
+ if (value && vlen)
memcpy((void *) value, data->getBytesNoCopy(), vlen);
return TRUE;
return FALSE;
}
+boolean_t
+PEWriteNVRAMBooleanProperty(const char *symbol, boolean_t value)
+{
+ const OSSymbol *sym = NULL;
+ OSBoolean *data = NULL;
+ bool ret = false;
+
+ if (symbol == NULL) {
+ goto exit;
+ }
+
+ if (init_gIOOptionsEntry() < 0) {
+ goto exit;
+ }
+
+ if ((sym = OSSymbol::withCStringNoCopy(symbol)) == NULL) {
+ goto exit;
+ }
+
+ data = value ? kOSBooleanTrue : kOSBooleanFalse;
+ ret = gIOOptionsEntry->setProperty(sym, data);
+
+ sym->release();
+
+ /* success, force the NVRAM to flush writes */
+ if (ret == true) {
+ gIOOptionsEntry->sync();
+ }
+
+exit:
+ return ret;
+}
boolean_t PEWriteNVRAMProperty(const char *symbol, const void *value,
const unsigned int len)
}
-long PEGetGMTTimeOfDay(void)
+boolean_t PERemoveNVRAMProperty(const char *symbol)
{
- long result = 0;
+ const OSSymbol *sym;
+
+ if (!symbol)
+ goto err;
+
+ if (init_gIOOptionsEntry() < 0)
+ goto err;
+
+ sym = OSSymbol::withCStringNoCopy(symbol);
+ if (!sym)
+ goto err;
- if( gIOPlatform) result = gIOPlatform->getGMTTimeOfDay();
+ gIOOptionsEntry->removeProperty(sym);
+
+ sym->release();
+
+ gIOOptionsEntry->sync();
+ return TRUE;
+
+err:
+ return FALSE;
- return (result);
+}
+
+long PEGetGMTTimeOfDay(void)
+{
+ clock_sec_t secs;
+ clock_usec_t usecs;
+
+ PEGetUTCTimeOfDay(&secs, &usecs);
+ return secs;
}
void PESetGMTTimeOfDay(long secs)
{
- if( gIOPlatform) gIOPlatform->setGMTTimeOfDay(secs);
+ PESetUTCTimeOfDay(secs, 0);
+}
+
+void PEGetUTCTimeOfDay(clock_sec_t * secs, clock_usec_t * usecs)
+{
+ clock_nsec_t nsecs = 0;
+
+ *secs = 0;
+ if (gIOPlatform)
+ gIOPlatform->getUTCTimeOfDay(secs, &nsecs);
+
+ assert(nsecs < NSEC_PER_SEC);
+ *usecs = nsecs / NSEC_PER_USEC;
+}
+
+void PESetUTCTimeOfDay(clock_sec_t secs, clock_usec_t usecs)
+{
+ assert(usecs < USEC_PER_SEC);
+ if (gIOPlatform)
+ gIOPlatform->setUTCTimeOfDay(secs, usecs * NSEC_PER_USEC);
}
} /* extern "C" */
OSString * string = 0;
uuid_string_t uuid;
-#if CONFIG_EMBEDDED
- entry = IORegistryEntry::fromPath( "/chosen", gIODTPlane );
- if ( entry )
- {
- OSData * data1;
-
- data1 = OSDynamicCast( OSData, entry->getProperty( "unique-chip-id" ) );
- if ( data1 && data1->getLength( ) == 8 )
- {
- OSData * data2;
-
- data2 = OSDynamicCast( OSData, entry->getProperty( "chip-id" ) );
- if ( data2 && data2->getLength( ) == 4 )
- {
- SHA1_CTX context;
- uint8_t digest[ SHA_DIGEST_LENGTH ];
- const uuid_t space = { 0xA6, 0xDD, 0x4C, 0xCB, 0xB5, 0xE8, 0x4A, 0xF5, 0xAC, 0xDD, 0xB6, 0xDC, 0x6A, 0x05, 0x42, 0xB8 };
-
- SHA1Init( &context );
- SHA1Update( &context, space, sizeof( space ) );
- SHA1Update( &context, data1->getBytesNoCopy( ), data1->getLength( ) );
- SHA1Update( &context, data2->getBytesNoCopy( ), data2->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( );
- }
-#else /* !CONFIG_EMBEDDED */
entry = IORegistryEntry::fromPath( "/efi/platform", gIODTPlane );
if ( entry )
{
entry->release( );
}
-#endif /* !CONFIG_EMBEDDED */
if ( string == 0 )
{
} else {
dtNVRAM->attach(this);
dtNVRAM->registerService();
+ options->release();
}
}
}
// Publish the cpus.
cpus = rootEntry->childFromPath( "cpus", gIODTPlane);
if ( cpus)
+ {
createNubs( this, IODTFindMatchingEntries( cpus, kIODTExclusive, 0));
+ cpus->release();
+ }
// publish top level, minus excludeList
createNubs( this, IODTFindMatchingEntries( rootEntry, kIODTExclusive, excludeList()));
void * dtTop, void * p2, void * p3, void * p4 )
{
IORegistryEntry * dt = 0;
- void * argsData[ 4 ];
bool ok;
// dtTop may be zero on non- device tree systems
if( !ok)
return( false);
+ reserved = NULL;
workLoop = IOWorkLoop::workLoop();
if (!workLoop)
return false;
- argsData[ 0 ] = dtTop;
- argsData[ 1 ] = p2;
- argsData[ 2 ] = p3;
- argsData[ 3 ] = p4;
-
- setProperty("IOPlatformArgs", (void *)argsData, sizeof(argsData));
-
return( true);
}
return kIOReturnUnsupported;
}
+IOReturn IOPlatformExpertDevice::newUserClient( task_t owningTask, void * securityID,
+ UInt32 type, OSDictionary * properties,
+ IOUserClient ** handler )
+{
+ IOReturn err = kIOReturnSuccess;
+ IOUserClient * newConnect = 0;
+ IOUserClient * theConnect = 0;
+
+ switch (type)
+ {
+ case kIOKitDiagnosticsClientType:
+ newConnect = IOKitDiagnosticsClient::withTask(owningTask);
+ if (!newConnect) err = kIOReturnNotPermitted;
+ break;
+ default:
+ err = kIOReturnBadArgument;
+ }
+
+ if (newConnect)
+ {
+ if ((false == newConnect->attach(this))
+ || (false == newConnect->start(this)))
+ {
+ newConnect->detach( this );
+ newConnect->release();
+ }
+ else
+ theConnect = newConnect;
+ }
+
+ *handler = theConnect;
+ return (err);
+}
+
void IOPlatformExpertDevice::free()
{
if (workLoop)
OSDeclareDefaultStructors(IOPanicPlatform);
public:
- bool start(IOService * provider);
+ bool start(IOService * provider) APPLE_KEXT_OVERRIDE;
};
projects / apple / xnu.git / blobdiff