Annotation of sys/arch/mvmeppc/include/vmparam.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: vmparam.h,v 1.15 2005/12/17 07:31:26 miod 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 (16*1024*1024) /* max text size */
! 43: #endif
! 44:
! 45: #ifndef DFLDSIZ
! 46: #define DFLDSIZ (32*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 1024
! 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_size 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 __HAVE_PMAP_PHYSSEG
! 93: struct pmap_physseg {
! 94: struct pted_pv_head *pvent;
! 95: char *attrs;
! 96: /* NULL ??? */
! 97: };
! 98:
! 99: #define VM_PHYSSEG_MAX 32 /* actually we could have this many segments */
! 100: #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH
! 101: #define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */
! 102:
! 103: #define VM_NFREELIST 1
! 104: #define VM_FREELIST_DEFAULT 0
! 105:
! 106: #endif
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