/*
* 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 <pexpert/pexpert.h>
}
#include <IOKit/platform/IOPlatformIO.h>
#define super IOService
OSDefineMetaClassAndAbstractStructors(IOPlatformIO, IOService);
static IOPlatformIO * platformIOProvider;
bool
IOPlatformIO::start(IOService * provider)
{
if (!super::start(provider)) {
return false;
}
if (platformIOProvider == NULL) {
platformIOProvider = this;
}
return true;
}
bool
PE_handle_platform_error(vm_offset_t far)
{
if (platformIOProvider == NULL) {
return false;
} else {
return platformIOProvider->handlePlatformError(far);
}
}