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PluralTechnology/service/ptos/head/mm/pm.h
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2026-07-10 18:26:29 -04:00

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C

/*
* Copyright (c) 2026, Chloe M.
* Provided under the BSD-3 clause.
*
* Description: Physical memory management
* Author: Chloe M.
*/
#ifndef _MM_PM_H_
#define _MM_PM_H_ 1
#include <ptdef.h>
#include <hal/page.h>
/* Page frame number type */
typedef USIZE MM_PFN;
/*
* These macros allow the conversion of page frame numbers
* to physical addresses and vice versa.
*/
#define PFN_TO_ADDRESS(PFN) \
((PFN) << LOG2_PAGESIZE)
#define ADDRESS_TO_PFN(ADDR) \
((ADDR) >> LOG2_PAGESIZE)
/*
* Initialize the physical memory management
*/
VOID MmPmInit(VOID);
#endif /* !_MM_PM_H_ */