52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
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/*
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File: paging_low.H
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Author: R. Bettati
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Department of Computer Science
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Texas A&M University
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Date : 09/03/28
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Low-level register operations for x86 paging subsystem.
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*/
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#ifndef _paging_low_H_ // include file only once
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#define _paging_low_H_
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/*--------------------------------------------------------------------------*/
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/* DEFINES */
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/*--------------------------------------------------------------------------*/
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/* -- none -- */
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/*--------------------------------------------------------------------------*/
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/* FORWARDS */
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/*--------------------------------------------------------------------------*/
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/* -- (none) -- */
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/*--------------------------------------------------------------------------*/
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/* LOW-LEVEL PAGING ROUTINES */
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/*--------------------------------------------------------------------------*/
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/* The low-level functions (defined in file 'paging_low.asm') that handle the
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low-level function to manage the page tables. */
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/* -- CR0 -- */
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extern "C" unsigned long read_cr0();
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extern "C" void write_cr0(unsigned long _val);
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/* -- CR2 -- */
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extern "C" unsigned long read_cr2();
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/* -- CR3 -- */
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extern "C" unsigned long read_cr3();
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extern "C" void write_cr3(unsigned long _val);
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#endif
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