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Annotation of src/sys/arch/atari/include/pmap.h, Revision 1.36.10.1

1.36.10.1! yamt        1: /*     $NetBSD: pmap.h,v 1.36 2008/01/11 14:03:47 he Exp $     */
1.1       leo         2:
                      3: /*
                      4:  * Copyright (c) 1991 Regents of the University of California.
                      5:  * All rights reserved.
1.31      agc         6:  *
                      7:  * This code is derived from software contributed to Berkeley by
                      8:  * the Systems Programming Group of the University of Utah Computer
                      9:  * Science Department.
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
                     19:  * 3. Neither the name of the University nor the names of its contributors
                     20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  *
                     35:  *     @(#)pmap.h      7.6 (Berkeley) 5/10/91
                     36:  */
                     37:
                     38: /*
                     39:  * Copyright (c) 1987 Carnegie-Mellon University
1.1       leo        40:  *
                     41:  * This code is derived from software contributed to Berkeley by
                     42:  * the Systems Programming Group of the University of Utah Computer
                     43:  * Science Department.
                     44:  *
                     45:  * Redistribution and use in source and binary forms, with or without
                     46:  * modification, are permitted provided that the following conditions
                     47:  * are met:
                     48:  * 1. Redistributions of source code must retain the above copyright
                     49:  *    notice, this list of conditions and the following disclaimer.
                     50:  * 2. Redistributions in binary form must reproduce the above copyright
                     51:  *    notice, this list of conditions and the following disclaimer in the
                     52:  *    documentation and/or other materials provided with the distribution.
                     53:  * 3. All advertising materials mentioning features or use of this software
                     54:  *    must display the following acknowledgement:
                     55:  *     This product includes software developed by the University of
                     56:  *     California, Berkeley and its contributors.
                     57:  * 4. Neither the name of the University nor the names of its contributors
                     58:  *    may be used to endorse or promote products derived from this software
                     59:  *    without specific prior written permission.
                     60:  *
                     61:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     62:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     63:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     64:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     65:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     66:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     67:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     68:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     69:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     70:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     71:  * SUCH DAMAGE.
                     72:  *
                     73:  *     @(#)pmap.h      7.6 (Berkeley) 5/10/91
                     74:  */
                     75:
                     76: #ifndef        _MACHINE_PMAP_H_
                     77: #define        _MACHINE_PMAP_H_
                     78:
1.36.10.1! yamt       79: #include <m68k/pmap_motorola.h>
1.1       leo        80:
                     81: /*
1.6       leo        82:  * Description of the memory segments. Build in atari_init/start_c().
                     83:  * This gives a better separation between machine dependent stuff and
                     84:  * the pmap-module.
                     85:  */
1.36.10.1! yamt       86: #define NMEM_SEGS      8
1.8       leo        87: struct memseg {
1.36.10.1! yamt       88:        paddr_t start;          /* PA of first page in segment  */
        !            89:        paddr_t end;            /* PA of last  page in segment  */
        !            90:        int     first_page;     /* relative page# of 'start'    */
        !            91:        int     free_list;      /* Memory priority, lower = faster */
1.9       leo        92: };
                     93:
1.2       leo        94: #ifdef _KERNEL
1.8       leo        95: /*
                     96:  * Memory segment descriptors.
                     97:  *  - boot_segs
                     98:  *     describes the segments obtainted from the bootcode.
                     99:  *  - usable_segs
                    100:  *     describes the segments available after system requirements are
                    101:  *     substracted (reserved pages, etc...).
                    102:  */
1.36.10.1! yamt      103: extern struct memseg   boot_segs[NMEM_SEGS];
        !           104: extern struct memseg   usable_segs[NMEM_SEGS];
1.8       leo       105:
1.36.10.1! yamt      106: void   pmap_bootstrap(vaddr_t, paddr_t);
1.12      thorpej   107:
1.5       leo       108: #endif /* _KERNEL */
1.1       leo       109:
                    110: #endif /* !_MACHINE_PMAP_H_ */