projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 175f072e KM |
1 | /* |
| 2 | * Copyright (c) 1985, Avadis Tevanian, Jr., Michael Wayne Young | |
| 3 | * Copyright (c) 1987 Carnegie-Mellon University | |
| 4 | * Copyright (c) 1991 Regents of the University of California. | |
| 5 | * All rights reserved. | |
| 6 | * | |
| 7 | * This code is derived from software contributed to Berkeley by | |
| 8 | * The Mach Operating System project at Carnegie-Mellon University. | |
| 9 | * | |
| 10 | * The CMU software License Agreement specifies the terms and conditions | |
| 11 | * for use and redistribution. | |
| 12 | * | |
| 13 | * @(#)vm_init.c 7.1 (Berkeley) %G% | |
| 14 | */ | |
| 15 | ||
| 16 | /* | |
| 17 | * Initialize the Virtual Memory subsystem. | |
| 18 | */ | |
| 19 | ||
| 20 | #include "types.h" | |
| 21 | #include "../vm/vm_param.h" | |
| 22 | #include "lock.h" | |
| 23 | #include "../vm/vm_object.h" | |
| 24 | #include "../vm/vm_map.h" | |
| 25 | #include "../vm/vm_page.h" | |
| 26 | #include "../vm/vm_kern.h" | |
| 27 | ||
| 28 | /* | |
| 29 | * vm_init initializes the virtual memory system. | |
| 30 | * This is done only by the first cpu up. | |
| 31 | * | |
| 32 | * The start and end address of physical memory is passed in. | |
| 33 | */ | |
| 34 | ||
| 35 | void vm_mem_init() | |
| 36 | { | |
| 37 | extern vm_offset_t avail_start, avail_end; | |
| 38 | extern vm_offset_t virtual_avail, virtual_end; | |
| 39 | ||
| 40 | /* | |
| 41 | * Initializes resident memory structures. | |
| 42 | * From here on, all physical memory is accounted for, | |
| 43 | * and we use only virtual addresses. | |
| 44 | */ | |
| 45 | ||
| 46 | virtual_avail = vm_page_startup(avail_start, avail_end, virtual_avail); | |
| 47 | /* | |
| 48 | * Initialize other VM packages | |
| 49 | */ | |
| 50 | vm_object_init(); | |
| 51 | vm_map_init(); | |
| 52 | kmem_init(virtual_avail, virtual_end); | |
| 53 | pmap_init(avail_start, avail_end); | |
| 54 | vm_pager_init(); | |
| 55 | } |