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--- xnu/xnu-12377.101.15/iokit/Kernel/PassthruInterruptController.cpp
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Copyright (c) 2019 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. 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, 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@
- */
-
-extern "C" {
-#include <mach/task.h>
-#include <pexpert/pexpert.h>
-};
-
-#include <machine/machine_routines.h>
-#include <IOKit/IOPlatformExpert.h>
-#include <IOKit/IOService.h>
-#include <IOKit/PassthruInterruptController.h>
-
-#define super IOInterruptController
-OSDefineMetaClassAndStructors(PassthruInterruptController, IOInterruptController);
-
-bool
-PassthruInterruptController::init(void)
-{
- if (!super::init() ||
- !this->setProperty(gPlatformInterruptControllerName, kOSBooleanTrue) ||
- !this->attach(getPlatform())) {
- return false;
- }
- registerService();
- if (getPlatform()->registerInterruptController(gPlatformInterruptControllerName, this) != kIOReturnSuccess) {
- return false;
- }
- if (semaphore_create(kernel_task, &child_sentinel, SYNC_POLICY_FIFO, 0) != KERN_SUCCESS) {
- return false;
- }
- return true;
-}
-
-void
-PassthruInterruptController::setCPUInterruptProperties(IOService *service)
-{
- if ((service->getProperty(gIOInterruptControllersKey) != NULL) &&
- (service->getProperty(gIOInterruptSpecifiersKey) != NULL)) {
- return;
- }
-
- long zero = 0;
- OSArray *specifier = OSArray::withCapacity(1);
- OSData *tmpData = OSData::withValue(zero);
- specifier->setObject(tmpData);
- tmpData->release();
- service->setProperty(gIOInterruptSpecifiersKey, specifier);
- specifier->release();
-
- OSArray *controller = OSArray::withCapacity(1);
- controller->setObject(gPlatformInterruptControllerName);
- service->setProperty(gIOInterruptControllersKey, controller);
- controller->release();
-}
-
-IOReturn
-PassthruInterruptController::registerInterrupt(IOService *nub,
- int source,
- void *target,
- IOInterruptHandler handler,
- void *refCon)
-{
- child_handler = handler;
- child_nub = nub;
- child_target = target;
- child_refCon = refCon;
-
- // Wake up waitForChildController() to tell it that AIC is registered
- semaphore_signal(child_sentinel);
- return kIOReturnSuccess;
-}
-
-void *
-PassthruInterruptController::waitForChildController(void)
-{
- // Block if child controller isn't registered yet. Assumes that this
- // is only called from one place.
- semaphore_wait(child_sentinel);
-
- // NOTE: Assumes that AppleInterruptController passes |this| as the target argument.
- return child_target;
-}
-
-IOReturn
-PassthruInterruptController::getInterruptType(IOService */*nub*/,
- int /*source*/,
- int *interruptType)
-{
- if (interruptType == NULL) {
- return kIOReturnBadArgument;
- }
-
- *interruptType = kIOInterruptTypeLevel;
-
- return kIOReturnSuccess;
-}
-
-IOReturn
-PassthruInterruptController::enableInterrupt(IOService */*nub*/,
- int /*source*/)
-{
- return kIOReturnSuccess;
-}
-
-IOReturn
-PassthruInterruptController::disableInterrupt(IOService */*nub*/,
- int /*source*/)
-{
- return kIOReturnSuccess;
-}
-
-IOReturn
-PassthruInterruptController::causeInterrupt(IOService */*nub*/,
- int /*source*/)
-{
- ml_cause_interrupt();
- return kIOReturnSuccess;
-}
-
-IOReturn
-PassthruInterruptController::handleInterrupt(void */*refCon*/,
- IOService */*nub*/,
- int source)
-{
- panic("handleInterrupt shouldn't be invoked directly");
-}
-
-void
-PassthruInterruptController::externalInterrupt(void)
-{
- child_handler(child_target, child_refCon, child_nub, 0);
-}