summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mm/ptdump/shared.c
blob: 1cda3d91c6c26f7adf541f5f0d8afab3f17928b9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
// SPDX-License-Identifier: GPL-2.0
/*
 * From split of dump_linuxpagetables.c
 * Copyright 2016, Rashmica Gupta, IBM Corp.
 *
 */
#include <linux/kernel.h>
#include <asm/pgtable.h>

#include "ptdump.h"

static const struct flag_info flag_array[] = {
	{
		.mask	= _PAGE_USER,
		.val	= _PAGE_USER,
		.set	= "user",
		.clear	= "    ",
	}, {
		.mask	= _PAGE_RW,
		.val	= 0,
		.set	= "r ",
		.clear	= "rw",
	}, {
#ifndef CONFIG_PPC_BOOK3S_32
		.mask	= _PAGE_EXEC,
		.val	= _PAGE_EXEC,
		.set	= " X ",
		.clear	= "   ",
	}, {
#endif
		.mask	= _PAGE_PRESENT,
		.val	= _PAGE_PRESENT,
		.set	= "present",
		.clear	= "       ",
	}, {
		.mask	= _PAGE_GUARDED,
		.val	= _PAGE_GUARDED,
		.set	= "guarded",
		.clear	= "       ",
	}, {
		.mask	= _PAGE_DIRTY,
		.val	= _PAGE_DIRTY,
		.set	= "dirty",
		.clear	= "     ",
	}, {
		.mask	= _PAGE_ACCESSED,
		.val	= _PAGE_ACCESSED,
		.set	= "accessed",
		.clear	= "        ",
	}, {
		.mask	= _PAGE_WRITETHRU,
		.val	= _PAGE_WRITETHRU,
		.set	= "write through",
		.clear	= "             ",
	}, {
		.mask	= _PAGE_NO_CACHE,
		.val	= _PAGE_NO_CACHE,
		.set	= "no cache",
		.clear	= "        ",
	}, {
		.mask	= _PAGE_SPECIAL,
		.val	= _PAGE_SPECIAL,
		.set	= "special",
	}
};

struct pgtable_level pg_level[5] = {
	{
	}, { /* pgd */
		.flag	= flag_array,
		.num	= ARRAY_SIZE(flag_array),
	}, { /* pud */
		.flag	= flag_array,
		.num	= ARRAY_SIZE(flag_array),
	}, { /* pmd */
		.flag	= flag_array,
		.num	= ARRAY_SIZE(flag_array),
	}, { /* pte */
		.flag	= flag_array,
		.num	= ARRAY_SIZE(flag_array),
	},
};