Subversion Repositories or1k

/*

 *  page_table.h,v 1.2 1995/12/19 20:10:12 joel Exp

 *

 *  This file was submitted by Eric Vaitl <vaitl@viasat.com> and

 *  supports page table initialization.

 *

 *  page_table.h,v

 *  Revision 1.2  1995/12/19 20:10:12  joel

 *  changes remerged after disk crash -- history lost

 *

 * Revision 1.1  1995/12/19  19:22:36  joel

 * file lost in crash and re-added

 *

 * Revision 1.1  1995/12/05  15:29:19  joel

 * added.. submitted by  Eric Vaitl <vaitl@viasat.com>

 *

 * Revision 1.2  1995/10/27  21:00:33  vaitl

 * Modified page table routines so application code can map

 * VME space.

 *

 * Revision 1.1  1995/10/25  17:16:06  vaitl

 * Working on page table. Caching partially set up, but can't currently

 * set tc register.

 *

 */

#ifndef PAGE_TABLE_H

#define PAGE_TABLE_H

extern void page_table_teardown(void);

extern void page_table_init(void);

extern int page_table_map(void *addr, unsigned long size, int cache_type);

enum {

    CACHE_WRITE_THROUGH,

    CACHE_COPYBACK,

    CACHE_NONE_SERIALIZED,

    CACHE_NONE

};

enum {

    PTM_SUCCESS,

    PTM_BAD_ADDR,

    PTM_BAD_SIZE,

    PTM_BAD_CACHE,

    PTM_NO_TABLE_SPACE

};

#endif