145748Smckusick /* 245748Smckusick * Copyright (c) 1985, Avadis Tevanian, Jr., Michael Wayne Young 345748Smckusick * Copyright (c) 1987 Carnegie-Mellon University 445748Smckusick * Copyright (c) 1991 Regents of the University of California. 545748Smckusick * All rights reserved. 645748Smckusick * 745748Smckusick * This code is derived from software contributed to Berkeley by 845748Smckusick * The Mach Operating System project at Carnegie-Mellon University. 945748Smckusick * 1045748Smckusick * The CMU software License Agreement specifies the terms and conditions 1145748Smckusick * for use and redistribution. 1245748Smckusick * 13*48386Skarels * @(#)vm_init.c 7.2 (Berkeley) 04/20/91 1445748Smckusick */ 1545748Smckusick 1645748Smckusick /* 1745748Smckusick * Initialize the Virtual Memory subsystem. 1845748Smckusick */ 1945748Smckusick 20*48386Skarels #include "param.h" 2145748Smckusick 22*48386Skarels #include "vm.h" 23*48386Skarels #include "vm_page.h" 24*48386Skarels #include "vm_kern.h" 25*48386Skarels 2645748Smckusick /* 2745748Smckusick * vm_init initializes the virtual memory system. 2845748Smckusick * This is done only by the first cpu up. 2945748Smckusick * 3045748Smckusick * The start and end address of physical memory is passed in. 3145748Smckusick */ 3245748Smckusick 3345748Smckusick void vm_mem_init() 3445748Smckusick { 3545748Smckusick extern vm_offset_t avail_start, avail_end; 3645748Smckusick extern vm_offset_t virtual_avail, virtual_end; 3745748Smckusick 3845748Smckusick /* 3945748Smckusick * Initializes resident memory structures. 4045748Smckusick * From here on, all physical memory is accounted for, 4145748Smckusick * and we use only virtual addresses. 4245748Smckusick */ 4345748Smckusick 4445748Smckusick virtual_avail = vm_page_startup(avail_start, avail_end, virtual_avail); 4545748Smckusick /* 4645748Smckusick * Initialize other VM packages 4745748Smckusick */ 4845748Smckusick vm_object_init(); 49*48386Skarels vm_map_startup(); 5045748Smckusick kmem_init(virtual_avail, virtual_end); 5145748Smckusick pmap_init(avail_start, avail_end); 5245748Smckusick vm_pager_init(); 5345748Smckusick } 54