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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/** @file
Copyright (c) 2015 - 2016, Linaro Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef ARM_MMU_LIB_H_
#define ARM_MMU_LIB_H_
#include <Uefi/UefiBaseType.h>
#include <Library/ArmLib.h>
EFI_STATUS
EFIAPI
ArmConfigureMmu (
IN ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable,
OUT VOID **TranslationTableBase OPTIONAL,
OUT UINTN *TranslationTableSize OPTIONAL
);
/**
Convert a region of memory to read-protected, by clearing the access flag.
@param BaseAddress The start of the region.
@param Length The size of the region.
@retval EFI_SUCCESS The attributes were set successfully.
@retval EFI_OUT_OF_RESOURCES The operation failed due to insufficient memory.
**/
EFI_STATUS
EFIAPI
ArmSetMemoryRegionNoAccess (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
);
/**
Convert a region of memory to read-enabled, by setting the access flag.
@param BaseAddress The start of the region.
@param Length The size of the region.
@retval EFI_SUCCESS The attributes were set successfully.
@retval EFI_OUT_OF_RESOURCES The operation failed due to insufficient memory.
**/
EFI_STATUS
EFIAPI
ArmClearMemoryRegionNoAccess (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
);
EFI_STATUS
EFIAPI
ArmSetMemoryRegionNoExec (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
);
EFI_STATUS
EFIAPI
ArmClearMemoryRegionNoExec (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
);
EFI_STATUS
EFIAPI
ArmSetMemoryRegionReadOnly (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
);
EFI_STATUS
EFIAPI
ArmClearMemoryRegionReadOnly (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
);
VOID
EFIAPI
ArmReplaceLiveTranslationEntry (
IN UINT64 *Entry,
IN UINT64 Value,
IN UINT64 RegionStart,
IN BOOLEAN DisableMmu
);
EFI_STATUS
ArmSetMemoryAttributes (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length,
IN UINT64 Attributes
);
#endif // ARM_MMU_LIB_H_
|
