5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
27 /* All Rights Reserved */
28
29 /*
30 * Portions of this source code were derived from Berkeley 4.3 BSD
31 * under license from the Regents of the University of California.
32 */
33
34 /*
35 * UNIX machine dependent virtual memory support.
36 */
37
38 #include <sys/vm.h>
39 #include <sys/exec.h>
40 #include <sys/cmn_err.h>
41 #include <sys/cpu_module.h>
42 #include <sys/cpu.h>
43 #include <sys/elf_SPARC.h>
44 #include <sys/archsystm.h>
45 #include <vm/hat_sfmmu.h>
46 #include <sys/memnode.h>
47 #include <sys/mem_cage.h>
48 #include <vm/vm_dep.h>
49 #include <sys/random.h>
50
51 #if defined(__sparcv9) && defined(SF_ERRATA_57)
52 caddr_t errata57_limit;
53 #endif
54
55 uint_t page_colors = 0;
56 uint_t page_colors_mask = 0;
57 uint_t page_coloring_shift = 0;
58 int consistent_coloring;
59 int update_proc_pgcolorbase_after_fork = 0;
60
61 uint_t mmu_page_sizes = DEFAULT_MMU_PAGE_SIZES;
62 uint_t max_mmu_page_sizes = MMU_PAGE_SIZES;
63 uint_t mmu_hashcnt = DEFAULT_MAX_HASHCNT;
64 uint_t max_mmu_hashcnt = MAX_HASHCNT;
65 size_t mmu_ism_pagesize = DEFAULT_ISM_PAGESIZE;
66
67 /*
68 * The sun4u hardware mapping sizes which will always be supported are
69 * 8K, 64K, 512K and 4M. If sun4u based machines need to support other
70 * page sizes, platform or cpu specific routines need to modify the value.
71 * The base pagesize (p_szc == 0) must always be supported by the hardware.
72 */
73 int mmu_exported_pagesize_mask = (1 << TTE8K) | (1 << TTE64K) |
74 (1 << TTE512K) | (1 << TTE4M);
75 uint_t mmu_exported_page_sizes;
76
77 uint_t szc_2_userszc[MMU_PAGE_SIZES];
78 uint_t userszc_2_szc[MMU_PAGE_SIZES];
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5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25 /*
26 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
27 */
28
29 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
30 /* All Rights Reserved */
31
32 /*
33 * Portions of this source code were derived from Berkeley 4.3 BSD
34 * under license from the Regents of the University of California.
35 */
36
37 /*
38 * UNIX machine dependent virtual memory support.
39 */
40
41 #include <sys/vm.h>
42 #include <sys/exec.h>
43 #include <sys/cmn_err.h>
44 #include <sys/cpu_module.h>
45 #include <sys/cpu.h>
46 #include <sys/elf_SPARC.h>
47 #include <sys/archsystm.h>
48 #include <vm/hat_sfmmu.h>
49 #include <sys/memnode.h>
50 #include <sys/mem_cage.h>
51 #include <vm/vm_dep.h>
52 #include <sys/random.h>
53
54 #if defined(__sparcv9) && defined(SF_ERRATA_57)
55 caddr_t errata57_limit;
56 #endif
57
58 uint_t page_colors = 0;
59 uint_t page_colors_mask = 0;
60 uint_t page_coloring_shift = 0;
61 volatile int consistent_coloring;
62 int update_proc_pgcolorbase_after_fork = 0;
63
64 uint_t mmu_page_sizes = DEFAULT_MMU_PAGE_SIZES;
65 uint_t max_mmu_page_sizes = MMU_PAGE_SIZES;
66 uint_t mmu_hashcnt = DEFAULT_MAX_HASHCNT;
67 uint_t max_mmu_hashcnt = MAX_HASHCNT;
68 size_t mmu_ism_pagesize = DEFAULT_ISM_PAGESIZE;
69
70 /*
71 * The sun4u hardware mapping sizes which will always be supported are
72 * 8K, 64K, 512K and 4M. If sun4u based machines need to support other
73 * page sizes, platform or cpu specific routines need to modify the value.
74 * The base pagesize (p_szc == 0) must always be supported by the hardware.
75 */
76 int mmu_exported_pagesize_mask = (1 << TTE8K) | (1 << TTE64K) |
77 (1 << TTE512K) | (1 << TTE4M);
78 uint_t mmu_exported_page_sizes;
79
80 uint_t szc_2_userszc[MMU_PAGE_SIZES];
81 uint_t userszc_2_szc[MMU_PAGE_SIZES];
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