/*
* 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
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _IOKIT_PLATFORM_IOPLATFORMIO_H
#define _IOKIT_PLATFORM_IOPLATFORMIO_H
extern "C" {
#include <kern/kern_types.h>
}
#include <IOKit/IOService.h>
/*!
* @class IOPlatformIO
* @abstract The base class for platform I/O drivers, such as AppleARMIO.
*/
class IOPlatformIO : public IOService
{
OSDeclareAbstractStructors(IOPlatformIO);
public:
virtual bool start(IOService * provider) APPLE_KEXT_OVERRIDE;
/*!
* @function handlePlatformError
* @abstract Handler for platform-defined errors.
* @discussion If the CPU reports an error that XNU does not know how
* to handle, such as a parity error or SError, XNU will
* invoke this method if there is an IOPlatformIO
* driver loaded.
* @param far Fault address provided by the CPU, if any.
* @result true if the exception was handled, false if not.
*/
virtual bool handlePlatformError(vm_offset_t far) = 0;
};
#endif /* ! _IOKIT_PLATFORM_IOPLATFORMIO_H */