/*
* Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * 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.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @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. 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
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
*
* DRI: Josh de Cesare
- *
+ *
*/
class IOSharedInterruptController;
struct IOInterruptVector {
- volatile char interruptActive;
- volatile char interruptDisabledSoft;
- volatile char interruptDisabledHard;
- volatile char interruptRegistered;
- IOLock * interruptLock;
- IOService * nub;
- long source;
- void * target;
- IOInterruptHandler handler;
- void * refCon;
- IOSharedInterruptController *sharedController;
+ volatile char interruptActive;
+ volatile char interruptDisabledSoft;
+ volatile char interruptDisabledHard;
+ volatile char interruptRegistered;
+ IOLock * interruptLock;
+ IOService * nub;
+ int source;
+ void * target;
+ IOInterruptHandler handler;
+ void * refCon;
+ IOSharedInterruptController *sharedController;
};
typedef struct IOInterruptVector IOInterruptVector;
+#if __LP64__
+typedef int32_t IOInterruptVectorNumber;
+#else
+typedef long IOInterruptVectorNumber;
+#endif
class IOInterruptController : public IOService
{
- OSDeclareAbstractStructors(IOInterruptController);
+ OSDeclareAbstractStructors(IOInterruptController);
protected:
- IOInterruptVector *vectors;
- IOSimpleLock *controllerLock;
+ IOInterruptVector *vectors;
+ IOSimpleLock *controllerLock;
+
+ struct ExpansionData { };
+ ExpansionData *ioic_reserved;
- struct ExpansionData { };
- ExpansionData *reserved;
+public:
+ virtual IOReturn registerInterrupt(IOService *nub, int source,
+ void *target,
+ IOInterruptHandler handler,
+ void *refCon);
+ virtual IOReturn unregisterInterrupt(IOService *nub, int source);
+
+ virtual IOReturn getInterruptType(IOService *nub, int source,
+ int *interruptType);
+
+ virtual IOReturn enableInterrupt(IOService *nub, int source);
+ virtual IOReturn disableInterrupt(IOService *nub, int source);
+ virtual IOReturn causeInterrupt(IOService *nub, int source);
+
+ virtual IOInterruptAction getInterruptHandlerAddress(void);
+ virtual IOReturn handleInterrupt(void *refCon, IOService *nub,
+ int source);
+
+// Methods to be overridden for simplifed interrupt controller subclasses.
+
+ virtual bool vectorCanBeShared(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector);
+ virtual void initVector(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector);
+ virtual int getVectorType(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector);
+ virtual void disableVectorHard(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector);
+ virtual void enableVector(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector);
+ virtual void causeVector(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector);
+
+ OSMetaClassDeclareReservedUnused(IOInterruptController, 0);
+ OSMetaClassDeclareReservedUnused(IOInterruptController, 1);
+ OSMetaClassDeclareReservedUnused(IOInterruptController, 2);
+ OSMetaClassDeclareReservedUnused(IOInterruptController, 3);
+ OSMetaClassDeclareReservedUnused(IOInterruptController, 4);
+ OSMetaClassDeclareReservedUnused(IOInterruptController, 5);
public:
- virtual IOReturn registerInterrupt(IOService *nub, int source,
- void *target,
- IOInterruptHandler handler,
- void *refCon);
- virtual IOReturn unregisterInterrupt(IOService *nub, int source);
-
- virtual IOReturn getInterruptType(IOService *nub, int source,
- int *interruptType);
-
- virtual IOReturn enableInterrupt(IOService *nub, int source);
- virtual IOReturn disableInterrupt(IOService *nub, int source);
- virtual IOReturn causeInterrupt(IOService *nub, int source);
-
- virtual IOInterruptAction getInterruptHandlerAddress(void);
- virtual IOReturn handleInterrupt(void *refCon, IOService *nub,
- int source);
-
- // Methods to be overridden for simplifed interrupt controller subclasses.
-
- virtual bool vectorCanBeShared(long vectorNumber, IOInterruptVector *vector);
- virtual void initVector(long vectorNumber, IOInterruptVector *vector);
- virtual int getVectorType(long vectorNumber, IOInterruptVector *vector);
- virtual void disableVectorHard(long vectorNumber, IOInterruptVector *vector);
- virtual void enableVector(long vectorNumber, IOInterruptVector *vector);
- virtual void causeVector(long vectorNumber, IOInterruptVector *vector);
-
- OSMetaClassDeclareReservedUnused(IOInterruptController, 0);
- OSMetaClassDeclareReservedUnused(IOInterruptController, 1);
- OSMetaClassDeclareReservedUnused(IOInterruptController, 2);
- OSMetaClassDeclareReservedUnused(IOInterruptController, 3);
- OSMetaClassDeclareReservedUnused(IOInterruptController, 4);
- OSMetaClassDeclareReservedUnused(IOInterruptController, 5);
+// Generic methods (not to be overriden).
+
+ void timeStampSpuriousInterrupt(void);
+ void timeStampInterruptHandlerStart(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector);
+ void timeStampInterruptHandlerEnd(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector);
+
+private:
+ void timeStampInterruptHandlerInternal(bool isStart, IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector);
};
class IOSharedInterruptController : public IOInterruptController
{
- OSDeclareDefaultStructors(IOSharedInterruptController);
-
+ OSDeclareDefaultStructors(IOSharedInterruptController);
+
private:
- IOService *provider;
- int numVectors;
- int vectorsRegistered;
- int vectorsEnabled;
- volatile long controllerDisabled;
- bool sourceIsLevel;
+ IOService *provider;
+ int numVectors;
+ int vectorsRegistered;
+ int vectorsEnabled;
+ volatile int controllerDisabled;
+ bool sourceIsLevel;
- struct ExpansionData { };
- ExpansionData *reserved;
+ struct ExpansionData { };
+ ExpansionData *iosic_reserved __unused;
public:
- virtual IOReturn initInterruptController(IOInterruptController *parentController, OSData *parentSource);
-
- virtual IOReturn registerInterrupt(IOService *nub, int source,
- void *target,
- IOInterruptHandler handler,
- void *refCon);
- virtual IOReturn unregisterInterrupt(IOService *nub, int source);
-
- virtual IOReturn getInterruptType(IOService *nub, int source,
- int *interruptType);
-
- virtual IOReturn enableInterrupt(IOService *nub, int source);
- virtual IOReturn disableInterrupt(IOService *nub, int source);
-
- virtual IOInterruptAction getInterruptHandlerAddress(void);
- virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source);
-
- OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 0);
- OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 1);
- OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 2);
- OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 3);
+ virtual IOReturn initInterruptController(IOInterruptController *parentController, OSData *parentSource);
+
+ virtual IOReturn registerInterrupt(IOService *nub, int source,
+ void *target,
+ IOInterruptHandler handler,
+ void *refCon) APPLE_KEXT_OVERRIDE;
+ virtual IOReturn unregisterInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE;
+
+ virtual IOReturn getInterruptType(IOService *nub, int source,
+ int *interruptType) APPLE_KEXT_OVERRIDE;
+
+ virtual IOReturn enableInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE;
+ virtual IOReturn disableInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE;
+
+ virtual IOInterruptAction getInterruptHandlerAddress(void) APPLE_KEXT_OVERRIDE;
+ virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source) APPLE_KEXT_OVERRIDE;
+
+ OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 0);
+ OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 1);
+ OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 2);
+ OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 3);
};