Return to AppleNMI.cpp CVS log

Up to [Apple XNU] / XNU / iokit / Drivers / platform / drvAppleNMI

Annotation of XNU/iokit/Drivers/platform/drvAppleNMI/AppleNMI.cpp, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * Copyright (c) 1998-9 Apple Computer, Inc.  All rights reserved.
        !            24:  *
        !            25:  *  DRI: Josh de Cesare
        !            26:  *
        !            27:  */
        !            28: 
        !            29: #include <IOKit/IOTypes.h>
        !            30: #include <IOKit/IOLib.h>
        !            31: 
        !            32: extern "C" {
        !            33: #include <pexpert/pexpert.h>
        !            34: }
        !            35: 
        !            36: #include "AppleNMI.h"
        !            37: 
        !            38: 
        !            39: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            40: 
        !            41: #define super IOService
        !            42: 
        !            43: OSDefineMetaClassAndStructors(AppleNMI, IOService);
        !            44: 
        !            45: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            46: 
        !            47: bool AppleNMI::start(IOService *provider)
        !            48: {
        !            49:   if (!super::init()) return false;
        !            50:   
        !            51:   // Register the interrupt.
        !            52:     provider->registerInterrupt(0, this,
        !            53:                             (IOInterruptAction) &AppleNMI::handleInterrupt, 0);
        !            54:   provider->enableInterrupt(0);
        !            55:   
        !            56:   return true;
        !            57: }
        !            58: 
        !            59: IOReturn AppleNMI::initNMI(IOInterruptController *parentController,
        !            60:                           OSData *parentSource)
        !            61: {
        !            62:   // Allocate the IOInterruptSource so this can act like a nub.
        !            63:   _interruptSources = (IOInterruptSource *)IOMalloc(sizeof(IOInterruptSource));
        !            64:   if (_interruptSources == 0) return kIOReturnNoMemory;
        !            65:   _numInterruptSources = 1;
        !            66:   
        !            67:   // Set up the IOInterruptSource to point at this.
        !            68:   _interruptSources[0].interruptController = parentController;
        !            69:   _interruptSources[0].vectorData = parentSource;
        !            70:   
        !            71:   // call start using itself as its provider.
        !            72:   if (!start(this)) return kIOReturnError;
        !            73:   
        !            74:   return kIOReturnSuccess;
        !            75: }
        !            76: 
        !            77: IOReturn AppleNMI::handleInterrupt(void * /*refCon*/, IOService * /*nub*/,
        !            78:                                   int /*source*/)
        !            79: {
        !            80:   PE_enter_debugger("NMI");
        !            81:   
        !            82:   return kIOReturnSuccess;
        !            83: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.