1*45748Smckusick /* 2*45748Smckusick * Copyright (c) 1985, Avadis Tevanian, Jr., Michael Wayne Young 3*45748Smckusick * Copyright (c) 1987 Carnegie-Mellon University 4*45748Smckusick * Copyright (c) 1991 Regents of the University of California. 5*45748Smckusick * All rights reserved. 6*45748Smckusick * 7*45748Smckusick * This code is derived from software contributed to Berkeley by 8*45748Smckusick * The Mach Operating System project at Carnegie-Mellon University. 9*45748Smckusick * 10*45748Smckusick * The CMU software License Agreement specifies the terms and conditions 11*45748Smckusick * for use and redistribution. 12*45748Smckusick * 13*45748Smckusick * @(#)vm_init.c 7.1 (Berkeley) 12/05/90 14*45748Smckusick */ 15*45748Smckusick 16*45748Smckusick /* 17*45748Smckusick * Initialize the Virtual Memory subsystem. 18*45748Smckusick */ 19*45748Smckusick 20*45748Smckusick #include "types.h" 21*45748Smckusick #include "../vm/vm_param.h" 22*45748Smckusick #include "lock.h" 23*45748Smckusick #include "../vm/vm_object.h" 24*45748Smckusick #include "../vm/vm_map.h" 25*45748Smckusick #include "../vm/vm_page.h" 26*45748Smckusick #include "../vm/vm_kern.h" 27*45748Smckusick 28*45748Smckusick /* 29*45748Smckusick * vm_init initializes the virtual memory system. 30*45748Smckusick * This is done only by the first cpu up. 31*45748Smckusick * 32*45748Smckusick * The start and end address of physical memory is passed in. 33*45748Smckusick */ 34*45748Smckusick 35*45748Smckusick void vm_mem_init() 36*45748Smckusick { 37*45748Smckusick extern vm_offset_t avail_start, avail_end; 38*45748Smckusick extern vm_offset_t virtual_avail, virtual_end; 39*45748Smckusick 40*45748Smckusick /* 41*45748Smckusick * Initializes resident memory structures. 42*45748Smckusick * From here on, all physical memory is accounted for, 43*45748Smckusick * and we use only virtual addresses. 44*45748Smckusick */ 45*45748Smckusick 46*45748Smckusick virtual_avail = vm_page_startup(avail_start, avail_end, virtual_avail); 47*45748Smckusick /* 48*45748Smckusick * Initialize other VM packages 49*45748Smckusick */ 50*45748Smckusick vm_object_init(); 51*45748Smckusick vm_map_init(); 52*45748Smckusick kmem_init(virtual_avail, virtual_end); 53*45748Smckusick pmap_init(avail_start, avail_end); 54*45748Smckusick vm_pager_init(); 55*45748Smckusick } 56