[netwatch.git] / include / demap.h

/* demap.h
 * Definitions for system page table de-mapping
 * NetWatch system management mode administration console
 *
 * Copyright 2009, Google Inc.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,           
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY           
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __DEMAP_H
#define __DEMAP_H

#include <stdint.h>

enum operating_mode {
        UNKNOWN = 0,
        LONG_64BIT,
        LONG_COMPAT,
        PROTECTED_PAGING,
        PROTECTED_NOPAGING,
        REAL,
        V8086
};

enum operating_mode get_operating_mode(void);
void reset_operating_mode_memo(void);

uint64_t demap_phys (uint64_t vaddr);
void * demap (uint64_t vaddr);

#endif
Commit	Line	Data
4e3ef36b JW	1	/* demap.h
	2	* Definitions for system page table de-mapping
	3	* NetWatch system management mode administration console
	4	*
	5	* Copyright 2009, Google Inc.
	6	* All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions are
	10	* met:
	11	*
	12	* * Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	* * Redistributions in binary form must reproduce the above
	15	* copyright notice, this list of conditions and the following disclaimer
	16	* in the documentation and/or other materials provided with the
	17	* distribution.
	18	* * Neither the name of Google Inc. nor the names of its
	19	* contributors may be used to endorse or promote products derived from
	20	* this software without specific prior written permission.
	21	*
	22	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	23	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	24	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	25	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	26	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	27	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	28	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	29	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	30	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	31	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	32	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	33	*/
	34
	35	#ifndef __DEMAP_H
	36	#define __DEMAP_H
	37
	38	#include <stdint.h>
	39
	40	enum operating_mode {
	41	UNKNOWN = 0,
	42	LONG_64BIT,
	43	LONG_COMPAT,
	44	PROTECTED_PAGING,
	45	PROTECTED_NOPAGING,
	46	REAL,
	47	V8086
	48	};
	49
	50	enum operating_mode get_operating_mode(void);
	51	void reset_operating_mode_memo(void);
	52
	53	uint64_t demap_phys (uint64_t vaddr);
	54	void * demap (uint64_t vaddr);
	55
	56	#endif