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/* Copyright (C) 2010 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* user-mode interface to Aken driver
*/
// Mahaf - ferryman in Egyptian mythology that wakes up Aken,
// and the interface to the Aken driver.
#ifndef INCLUDED_MAHAF
#define INCLUDED_MAHAF
/**
* @return whether mapping physical memory is known to be dangerous
* on this platform.
*
* callable before or after mahaf_Init.
*
* note: mahaf_MapPhysicalMemory will complain if it
* is called despite this function having returned true.
**/
LIB_API bool mahaf_IsPhysicalMappingDangerous();
LIB_API Status mahaf_Init();
LIB_API void mahaf_Shutdown();
LIB_API u8 mahaf_ReadPort8 (u16 port);
LIB_API u16 mahaf_ReadPort16(u16 port);
LIB_API u32 mahaf_ReadPort32(u16 port);
LIB_API void mahaf_WritePort8 (u16 port, u8 value);
LIB_API void mahaf_WritePort16(u16 port, u16 value);
LIB_API void mahaf_WritePort32(u16 port, u32 value);
LIB_API volatile void* mahaf_MapPhysicalMemory(uintptr_t physicalAddress, size_t numBytes);
LIB_API void mahaf_UnmapPhysicalMemory(volatile void* virtualAddress);
LIB_API u64 mahaf_ReadModelSpecificRegister(u64 reg);
LIB_API void mahaf_WriteModelSpecificRegister(u64 reg, u64 value);
// must be done in the driver because Windows clears CR4.PCE[8]
LIB_API u64 mahaf_ReadPerformanceMonitoringCounter(u64 reg);
#endif // INCLUDED_MAHAF
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