| @@ -1,14 +1,14 @@ | | | @@ -1,14 +1,14 @@ |
1 | /* $NetBSD: pmap.c,v 1.179.16.25 2010/06/10 00:37:58 cliff Exp $ */ | | 1 | /* $NetBSD: pmap.c,v 1.179.16.26 2010/06/10 05:45:50 cliff Exp $ */ |
2 | | | 2 | |
3 | /*- | | 3 | /*- |
4 | * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc. | | 4 | * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc. |
5 | * All rights reserved. | | 5 | * All rights reserved. |
6 | * | | 6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation | | 7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, | | 8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
9 | * NASA Ames Research Center and by Chris G. Demetriou. | | 9 | * NASA Ames Research Center and by Chris G. Demetriou. |
10 | * | | 10 | * |
11 | * Redistribution and use in source and binary forms, with or without | | 11 | * Redistribution and use in source and binary forms, with or without |
12 | * modification, are permitted provided that the following conditions | | 12 | * modification, are permitted provided that the following conditions |
13 | * are met: | | 13 | * are met: |
14 | * 1. Redistributions of source code must retain the above copyright | | 14 | * 1. Redistributions of source code must retain the above copyright |
| @@ -57,27 +57,27 @@ | | | @@ -57,27 +57,27 @@ |
57 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | | 57 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
58 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | | 58 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
59 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | | 59 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
60 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | | 60 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
61 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | | 61 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
62 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | | 62 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
63 | * SUCH DAMAGE. | | 63 | * SUCH DAMAGE. |
64 | * | | 64 | * |
65 | * @(#)pmap.c 8.4 (Berkeley) 1/26/94 | | 65 | * @(#)pmap.c 8.4 (Berkeley) 1/26/94 |
66 | */ | | 66 | */ |
67 | | | 67 | |
68 | #include <sys/cdefs.h> | | 68 | #include <sys/cdefs.h> |
69 | | | 69 | |
70 | __KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.179.16.25 2010/06/10 00:37:58 cliff Exp $"); | | 70 | __KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.179.16.26 2010/06/10 05:45:50 cliff Exp $"); |
71 | | | 71 | |
72 | /* | | 72 | /* |
73 | * Manages physical address maps. | | 73 | * Manages physical address maps. |
74 | * | | 74 | * |
75 | * In addition to hardware address maps, this | | 75 | * In addition to hardware address maps, this |
76 | * module is called upon to provide software-use-only | | 76 | * module is called upon to provide software-use-only |
77 | * maps which may or may not be stored in the same | | 77 | * maps which may or may not be stored in the same |
78 | * form as hardware maps. These pseudo-maps are | | 78 | * form as hardware maps. These pseudo-maps are |
79 | * used to store intermediate results from copy | | 79 | * used to store intermediate results from copy |
80 | * operations to and from address spaces. | | 80 | * operations to and from address spaces. |
81 | * | | 81 | * |
82 | * Since the information managed by this module is | | 82 | * Since the information managed by this module is |
83 | * also stored by the logical address mapping module, | | 83 | * also stored by the logical address mapping module, |
| @@ -507,30 +507,30 @@ pmap_bootstrap(void) | | | @@ -507,30 +507,30 @@ pmap_bootstrap(void) |
507 | bufsz + 16 * NCARGS + pager_map_size) / NBPG + | | 507 | bufsz + 16 * NCARGS + pager_map_size) / NBPG + |
508 | (maxproc * UPAGES) + nkmempages; | | 508 | (maxproc * UPAGES) + nkmempages; |
509 | | | 509 | |
510 | #ifdef SYSVSHM | | 510 | #ifdef SYSVSHM |
511 | Sysmapsize += shminfo.shmall; | | 511 | Sysmapsize += shminfo.shmall; |
512 | #endif | | 512 | #endif |
513 | #ifdef KSEG2IOBUFSIZE | | 513 | #ifdef KSEG2IOBUFSIZE |
514 | Sysmapsize += (KSEG2IOBUFSIZE >> PGSHIFT); | | 514 | Sysmapsize += (KSEG2IOBUFSIZE >> PGSHIFT); |
515 | #endif | | 515 | #endif |
516 | #ifdef PMAP_POOLPAGE_DEBUG | | 516 | #ifdef PMAP_POOLPAGE_DEBUG |
517 | poolpage.size = nkmempages + MCLBYTES * nmbclusters; | | 517 | poolpage.size = nkmempages + MCLBYTES * nmbclusters; |
518 | Sysmapsize += poolpage.size; | | 518 | Sysmapsize += poolpage.size; |
519 | #endif | | 519 | #endif |
520 | /* XXX: else runs out of space on 256MB sbmips!! */ | | | |
521 | #ifdef _LP64 | | 520 | #ifdef _LP64 |
522 | Sysmapsize += physmem; | | 521 | Sysmapsize += physmem; |
523 | #else | | 522 | #else |
| | | 523 | /* XXX: else runs out of space on 256MB sbmips!! */ |
524 | Sysmapsize += 20000; | | 524 | Sysmapsize += 20000; |
525 | #endif | | 525 | #endif |
526 | | | 526 | |
527 | /* | | 527 | /* |
528 | * Initialize `FYI' variables. Note we're relying on | | 528 | * Initialize `FYI' variables. Note we're relying on |
529 | * the fact that BSEARCH sorts the vm_physmem[] array | | 529 | * the fact that BSEARCH sorts the vm_physmem[] array |
530 | * for us. Must do this before uvm_pageboot_alloc() | | 530 | * for us. Must do this before uvm_pageboot_alloc() |
531 | * can be called. | | 531 | * can be called. |
532 | */ | | 532 | */ |
533 | mips_avail_start = vm_physmem[0].start << PGSHIFT; | | 533 | mips_avail_start = vm_physmem[0].start << PGSHIFT; |
534 | mips_avail_end = vm_physmem[vm_nphysseg - 1].end << PGSHIFT; | | 534 | mips_avail_end = vm_physmem[vm_nphysseg - 1].end << PGSHIFT; |
535 | mips_virtual_end = VM_MIN_KERNEL_ADDRESS + (vaddr_t)Sysmapsize * NBPG; | | 535 | mips_virtual_end = VM_MIN_KERNEL_ADDRESS + (vaddr_t)Sysmapsize * NBPG; |
536 | #ifndef _LP64 | | 536 | #ifndef _LP64 |