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Annotation of sys/arch/jornada/include/vmparam.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: vmparam.h,v 1.4 2007/06/09 05:57:32 drahn Exp $       */
        !             2: /*     $NetBSD: vmparam.h,v 1.23 2003/05/22 05:47:07 thorpej Exp $     */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1988 The Regents of the University of California.
        !             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
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. Neither the name of the University nor the names of its contributors
        !            17:  *    may be used to endorse or promote products derived from this software
        !            18:  *    without specific prior written permission.
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            30:  * SUCH DAMAGE.
        !            31:  */
        !            32:
        !            33: #ifndef        _ARMISH_VMPARAM_H_
        !            34: #define        _ARMISH_VMPARAM_H_
        !            35:
        !            36: #define        ARM_KERNEL_BASE         0xc0000000
        !            37:
        !            38: /* Allow armish to have bigger DSIZ than generic arm, allow user to override */
        !            39: #ifndef        MAXDSIZ
        !            40: #define        MAXDSIZ         (1024*1024*1024)                /* max data size */
        !            41: #endif
        !            42:
        !            43: #include <arm/vmparam.h>
        !            44:
        !            45: #ifdef _KERNEL
        !            46: /*
        !            47:  * Address space constants
        !            48:  */
        !            49:
        !            50: /*
        !            51:  * The line between user space and kernel space
        !            52:  * Mappings >= KERNEL_BASE are constant across all processes
        !            53:  */
        !            54: #define        KERNEL_BASE             ARM_KERNEL_BASE
        !            55:
        !            56: /*
        !            57:  * Override the default pager_map size, there's not enough KVA.
        !            58:  */
        !            59: #define PAGER_MAP_SIZE         (4 * 1024 * 1024)
        !            60:
        !            61: /*
        !            62:  * Size of User Raw I/O map
        !            63:  */
        !            64:
        !            65: #define USRIOSIZE       300
        !            66:
        !            67: /* virtual sizes (bytes) for various kernel submaps */
        !            68:
        !            69: #define VM_PHYS_SIZE           (USRIOSIZE*PAGE_SIZE)
        !            70:
        !            71: /*
        !            72:  * max number of non-contig chunks of physical RAM you can have
        !            73:  */
        !            74:
        !            75: #define        VM_PHYSSEG_MAX          1
        !            76: #define        VM_PHYSSEG_STRAT        VM_PSTRAT_RANDOM
        !            77:
        !            78: /*
        !            79:  * this indicates that we can't add RAM to the VM system after the
        !            80:  * vm system is init'd.
        !            81:  */
        !            82:
        !            83: #define        VM_PHYSSEG_NOADD
        !            84:
        !            85: /*
        !            86:  * we support 2 free lists:
        !            87:  *
        !            88:  *     - DEFAULT for all systems
        !            89:  *     - ISADMA for the ISA DMA range on Sharks only
        !            90:  */
        !            91: #endif /* _KERNEL */
        !            92:
        !            93: #define        VM_NFREELIST            2
        !            94: #define        VM_FREELIST_DEFAULT     0
        !            95:
        !            96:
        !            97: #endif /* _ARMISH_VMPARAM_H_ */