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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * arch/arm/include/asm/pgtable-2level-hwdef.h
4 *
5 * Copyright (C) 1995-2002 Russell King
6 */
7#ifndef _ASM_PGTABLE_2LEVEL_HWDEF_H
8#define _ASM_PGTABLE_2LEVEL_HWDEF_H
9
10/*
11 * Hardware page table definitions.
12 *
13 * + Level 1 descriptor (PMD)
14 * - common
15 */
16#define PMD_TYPE_MASK (_AT(pmdval_t, 3) << 0)
17#define PMD_TYPE_FAULT (_AT(pmdval_t, 0) << 0)
18#define PMD_TYPE_TABLE (_AT(pmdval_t, 1) << 0)
19#define PMD_TYPE_SECT (_AT(pmdval_t, 2) << 0)
20#define PMD_PXNTABLE (_AT(pmdval_t, 1) << 2) /* v7 */
21#define PMD_BIT4 (_AT(pmdval_t, 1) << 4)
22#define PMD_DOMAIN(x) (_AT(pmdval_t, (x)) << 5)
23#define PMD_DOMAIN_MASK PMD_DOMAIN(0x0f)
24#define PMD_PROTECTION (_AT(pmdval_t, 1) << 9) /* v5 */
25/*
26 * - section
27 */
28#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 0) /* v7 */
29#define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2)
30#define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3)
31#define PMD_SECT_XN (_AT(pmdval_t, 1) << 4) /* v6 */
32#define PMD_SECT_AP_WRITE (_AT(pmdval_t, 1) << 10)
33#define PMD_SECT_AP_READ (_AT(pmdval_t, 1) << 11)
34#define PMD_SECT_TEX(x) (_AT(pmdval_t, (x)) << 12) /* v5 */
35#define PMD_SECT_APX (_AT(pmdval_t, 1) << 15) /* v6 */
36#define PMD_SECT_S (_AT(pmdval_t, 1) << 16) /* v6 */
37#define PMD_SECT_nG (_AT(pmdval_t, 1) << 17) /* v6 */
38#define PMD_SECT_SUPER (_AT(pmdval_t, 1) << 18) /* v6 */
39#define PMD_SECT_AF (_AT(pmdval_t, 0))
40
41#define PMD_SECT_UNCACHED (_AT(pmdval_t, 0))
42#define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE)
43#define PMD_SECT_WT (PMD_SECT_CACHEABLE)
44#define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
45#define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE)
46#define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
47#define PMD_SECT_CACHE_MASK (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
48#define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2))
49
50/*
51 * - coarse table (not used)
52 */
53
54/*
55 * + Level 2 descriptor (PTE)
56 * - common
57 */
58#define PTE_TYPE_MASK (_AT(pteval_t, 3) << 0)
59#define PTE_TYPE_FAULT (_AT(pteval_t, 0) << 0)
60#define PTE_TYPE_LARGE (_AT(pteval_t, 1) << 0)
61#define PTE_TYPE_SMALL (_AT(pteval_t, 2) << 0)
62#define PTE_TYPE_EXT (_AT(pteval_t, 3) << 0) /* v5 */
63#define PTE_BUFFERABLE (_AT(pteval_t, 1) << 2)
64#define PTE_CACHEABLE (_AT(pteval_t, 1) << 3)
65
66/*
67 * - extended small page/tiny page
68 */
69#define PTE_EXT_XN (_AT(pteval_t, 1) << 0) /* v6 */
70#define PTE_EXT_AP_MASK (_AT(pteval_t, 3) << 4)
71#define PTE_EXT_AP0 (_AT(pteval_t, 1) << 4)
72#define PTE_EXT_AP1 (_AT(pteval_t, 2) << 4)
73#define PTE_EXT_AP_UNO_SRO (_AT(pteval_t, 0) << 4)
74#define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0)
75#define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1)
76#define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0)
77#define PTE_EXT_TEX(x) (_AT(pteval_t, (x)) << 6) /* v5 */
78#define PTE_EXT_APX (_AT(pteval_t, 1) << 9) /* v6 */
79#define PTE_EXT_COHERENT (_AT(pteval_t, 1) << 9) /* XScale3 */
80#define PTE_EXT_SHARED (_AT(pteval_t, 1) << 10) /* v6 */
81#define PTE_EXT_NG (_AT(pteval_t, 1) << 11) /* v6 */
82
83/*
84 * - small page
85 */
86#define PTE_SMALL_AP_MASK (_AT(pteval_t, 0xff) << 4)
87#define PTE_SMALL_AP_UNO_SRO (_AT(pteval_t, 0x00) << 4)
88#define PTE_SMALL_AP_UNO_SRW (_AT(pteval_t, 0x55) << 4)
89#define PTE_SMALL_AP_URO_SRW (_AT(pteval_t, 0xaa) << 4)
90#define PTE_SMALL_AP_URW_SRW (_AT(pteval_t, 0xff) << 4)
91
92#define PHYS_MASK (~0UL)
93
94#endif
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * arch/arm/include/asm/pgtable-2level-hwdef.h
4 *
5 * Copyright (C) 1995-2002 Russell King
6 */
7#ifndef _ASM_PGTABLE_2LEVEL_HWDEF_H
8#define _ASM_PGTABLE_2LEVEL_HWDEF_H
9
10/*
11 * Hardware page table definitions.
12 *
13 * + Level 1 descriptor (PMD)
14 * - common
15 */
16#define PMD_TYPE_MASK (_AT(pmdval_t, 3) << 0)
17#define PMD_TYPE_FAULT (_AT(pmdval_t, 0) << 0)
18#define PMD_TYPE_TABLE (_AT(pmdval_t, 1) << 0)
19#define PMD_TYPE_SECT (_AT(pmdval_t, 2) << 0)
20#define PMD_PXNTABLE (_AT(pmdval_t, 1) << 2) /* v7 */
21#define PMD_BIT4 (_AT(pmdval_t, 1) << 4)
22#define PMD_DOMAIN(x) (_AT(pmdval_t, (x)) << 5)
23#define PMD_DOMAIN_MASK PMD_DOMAIN(0x0f)
24#define PMD_PROTECTION (_AT(pmdval_t, 1) << 9) /* v5 */
25/*
26 * - section
27 */
28#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 0) /* v7 */
29#define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2)
30#define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3)
31#define PMD_SECT_XN (_AT(pmdval_t, 1) << 4) /* v6 */
32#define PMD_SECT_AP_WRITE (_AT(pmdval_t, 1) << 10)
33#define PMD_SECT_AP_READ (_AT(pmdval_t, 1) << 11)
34#define PMD_SECT_TEX(x) (_AT(pmdval_t, (x)) << 12) /* v5 */
35#define PMD_SECT_APX (_AT(pmdval_t, 1) << 15) /* v6 */
36#define PMD_SECT_S (_AT(pmdval_t, 1) << 16) /* v6 */
37#define PMD_SECT_nG (_AT(pmdval_t, 1) << 17) /* v6 */
38#define PMD_SECT_SUPER (_AT(pmdval_t, 1) << 18) /* v6 */
39#define PMD_SECT_AF (_AT(pmdval_t, 0))
40
41#define PMD_SECT_UNCACHED (_AT(pmdval_t, 0))
42#define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE)
43#define PMD_SECT_WT (PMD_SECT_CACHEABLE)
44#define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
45#define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE)
46#define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
47#define PMD_SECT_CACHE_MASK (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
48#define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2))
49
50/*
51 * - coarse table (not used)
52 */
53
54/*
55 * + Level 2 descriptor (PTE)
56 * - common
57 */
58#define PTE_TYPE_MASK (_AT(pteval_t, 3) << 0)
59#define PTE_TYPE_FAULT (_AT(pteval_t, 0) << 0)
60#define PTE_TYPE_LARGE (_AT(pteval_t, 1) << 0)
61#define PTE_TYPE_SMALL (_AT(pteval_t, 2) << 0)
62#define PTE_TYPE_EXT (_AT(pteval_t, 3) << 0) /* v5 */
63#define PTE_BUFFERABLE (_AT(pteval_t, 1) << 2)
64#define PTE_CACHEABLE (_AT(pteval_t, 1) << 3)
65
66/*
67 * - extended small page/tiny page
68 */
69#define PTE_EXT_XN (_AT(pteval_t, 1) << 0) /* v6 */
70#define PTE_EXT_AP_MASK (_AT(pteval_t, 3) << 4)
71#define PTE_EXT_AP0 (_AT(pteval_t, 1) << 4)
72#define PTE_EXT_AP1 (_AT(pteval_t, 2) << 4)
73#define PTE_EXT_AP_UNO_SRO (_AT(pteval_t, 0) << 4)
74#define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0)
75#define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1)
76#define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0)
77#define PTE_EXT_TEX(x) (_AT(pteval_t, (x)) << 6) /* v5 */
78#define PTE_EXT_APX (_AT(pteval_t, 1) << 9) /* v6 */
79#define PTE_EXT_COHERENT (_AT(pteval_t, 1) << 9) /* XScale3 */
80#define PTE_EXT_SHARED (_AT(pteval_t, 1) << 10) /* v6 */
81#define PTE_EXT_NG (_AT(pteval_t, 1) << 11) /* v6 */
82
83/*
84 * - small page
85 */
86#define PTE_SMALL_AP_MASK (_AT(pteval_t, 0xff) << 4)
87#define PTE_SMALL_AP_UNO_SRO (_AT(pteval_t, 0x00) << 4)
88#define PTE_SMALL_AP_UNO_SRW (_AT(pteval_t, 0x55) << 4)
89#define PTE_SMALL_AP_URO_SRW (_AT(pteval_t, 0xaa) << 4)
90#define PTE_SMALL_AP_URW_SRW (_AT(pteval_t, 0xff) << 4)
91
92#define PHYS_MASK (~0UL)
93
94#endif