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

1.1     ! nbrk        1: /*     $OpenBSD: vmparam.h,v 1.19 2007/06/14 14:27:46 drahn Exp $      */
        !             2: /*     $NetBSD: vmparam.h,v 1.1 1996/09/30 16:34:38 ws Exp $   */
        !             3:
        !             4: /*-
        !             5:  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
        !             6:  * Copyright (C) 1995, 1996 TooLs GmbH.
        !             7:  * All rights reserved.
        !             8:  *
        !             9:  * Redistribution and use in source and binary forms, with or without
        !            10:  * modification, are permitted provided that the following conditions
        !            11:  * are met:
        !            12:  * 1. Redistributions of source code must retain the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer.
        !            14:  * 2. Redistributions in binary form must reproduce the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer in the
        !            16:  *    documentation and/or other materials provided with the distribution.
        !            17:  * 3. All advertising materials mentioning features or use of this software
        !            18:  *    must display the following acknowledgement:
        !            19:  *     This product includes software developed by TooLs GmbH.
        !            20:  * 4. The name of TooLs GmbH may not be used to endorse or promote products
        !            21:  *    derived from this software without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
        !            24:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            25:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            26:  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
        !            27:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
        !            28:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
        !            29:  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
        !            30:  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
        !            31:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
        !            32:  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            33:  */
        !            34:
        !            35: #ifndef MACHINE_VMPARAM_H
        !            36: #define MACHINE_VMPARAM_H
        !            37:
        !            38: #define        USRTEXT         PAGE_SIZE
        !            39: #define        USRSTACK        VM_MAXUSER_ADDRESS
        !            40:
        !            41: #ifndef        MAXTSIZ
        !            42: #define        MAXTSIZ         (64*1024*1024)          /* max text size */
        !            43: #endif
        !            44:
        !            45: #ifndef        DFLDSIZ
        !            46: #define        DFLDSIZ         (64*1024*1024)          /* default data size */
        !            47: #endif
        !            48:
        !            49: #ifndef        MAXDSIZ
        !            50: #define        MAXDSIZ         (512*1024*1024)         /* max data size */
        !            51: #endif
        !            52:
        !            53: #ifndef        DFLSSIZ
        !            54: #define        DFLSSIZ         (1*1024*1024)           /* default stack size */
        !            55: #endif
        !            56:
        !            57: #ifndef        MAXSSIZ
        !            58: #define        MAXSSIZ         (32*1024*1024)          /* max stack size */
        !            59: #endif
        !            60:
        !            61: #define STACKGAP_RANDOM        256*1024
        !            62:
        !            63: /*
        !            64:  * Size of shared memory map
        !            65:  */
        !            66: #ifndef        SHMMAXPGS
        !            67: #define        SHMMAXPGS       8192                    /* 32mb */
        !            68: #endif
        !            69:
        !            70: /*
        !            71:  * Size of User Raw I/O map
        !            72:  */
        !            73: #define        USRIOSIZE       1024
        !            74:
        !            75: /*
        !            76:  * Would like to have MAX addresses = 0, but this doesn't (currently) work
        !            77:  */
        !            78: #define        VM_MIN_ADDRESS          ((vaddr_t)0)
        !            79: #define        VM_MAXUSER_ADDRESS      ((vaddr_t)0xfffff000)
        !            80: #define        VM_MAX_ADDRESS          VM_MAXUSER_ADDRESS
        !            81: #define        VM_MIN_KERNEL_ADDRESS   ((vaddr_t)(PPC_KERNEL_SR << ADDR_SR_SHIFT))
        !            82:
        !            83: /* ppc_kvm_stolen is so that vm space can be stolen before vm is fully
        !            84:  * initialized.
        !            85:  */
        !            86: extern vaddr_t ppc_kvm_stolen;
        !            87: #define VM_KERN_ADDRESS_SIZE  (PPC_SEGMENT_LENGTH - (32 * 1024 * 1024))
        !            88: #define        VM_MAX_KERNEL_ADDRESS   (VM_MIN_KERNEL_ADDRESS + VM_KERN_ADDRESS_SIZE)
        !            89:
        !            90: #define        VM_PHYS_SIZE            (USRIOSIZE * PAGE_SIZE)
        !            91:
        !            92: #define        VM_PHYSSEG_MAX  32      /* actually we could have this many segments */
        !            93: #define        VM_PHYSSEG_STRAT        VM_PSTRAT_BSEARCH
        !            94: #define        VM_PHYSSEG_NOADD        /* can't add RAM after vm_mem_init */
        !            95:
        !            96: #define VM_NFREELIST           1
        !            97: #define VM_FREELIST_DEFAULT    0
        !            98:
        !            99: #ifdef _KERNEL
        !           100:
        !           101: #define __HAVE_VM_PAGE_MD
        !           102: struct pv_entry;
        !           103: struct vm_page_md {
        !           104:        LIST_HEAD(,pte_desc) pv_list;
        !           105: };
        !           106:
        !           107: #define VM_MDPAGE_INIT(pg) do {                 \
        !           108:        LIST_INIT(&((pg)->mdpage.pv_list));     \
        !           109: } while (0)
        !           110:
        !           111: #endif
        !           112:
        !           113:
        !           114: #endif