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1 | /** @file\r |
2 | \r | |
d6ebcab7 | 3 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r |
2ef2b01e | 4 | \r |
d6ebcab7 | 5 | This program and the accompanying materials\r |
2ef2b01e A |
6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include <Library/ArmLib.h>\r | |
16 | #include "ArmLibPrivate.h"\r | |
17 | \r | |
18 | ARM_CACHE_TYPE\r | |
19 | EFIAPI\r | |
20 | ArmCacheType (\r | |
21 | VOID\r | |
22 | )\r | |
23 | {\r | |
24 | switch (CACHE_TYPE(Cp15CacheInfo()))\r | |
25 | {\r | |
26 | case CACHE_TYPE_WRITE_BACK: return ARM_CACHE_TYPE_WRITE_BACK;\r | |
27 | default: return ARM_CACHE_TYPE_UNKNOWN;\r | |
28 | }\r | |
29 | }\r | |
30 | \r | |
31 | ARM_CACHE_ARCHITECTURE\r | |
32 | EFIAPI\r | |
33 | ArmCacheArchitecture (\r | |
34 | VOID\r | |
35 | )\r | |
36 | {\r | |
37 | switch (CACHE_ARCHITECTURE(Cp15CacheInfo()))\r | |
38 | {\r | |
39 | case CACHE_ARCHITECTURE_UNIFIED: return ARM_CACHE_ARCHITECTURE_UNIFIED;\r | |
40 | case CACHE_ARCHITECTURE_SEPARATE: return ARM_CACHE_ARCHITECTURE_SEPARATE;\r | |
41 | default: return ARM_CACHE_ARCHITECTURE_UNKNOWN;\r | |
42 | }\r | |
43 | }\r | |
44 | \r | |
45 | BOOLEAN\r | |
46 | EFIAPI\r | |
47 | ArmDataCachePresent (\r | |
48 | VOID\r | |
49 | )\r | |
50 | {\r | |
51 | switch (DATA_CACHE_PRESENT(Cp15CacheInfo()))\r | |
52 | {\r | |
53 | case CACHE_PRESENT: return TRUE;\r | |
54 | case CACHE_NOT_PRESENT: return FALSE;\r | |
55 | default: return FALSE;\r | |
56 | }\r | |
57 | }\r | |
58 | \r | |
59 | UINTN\r | |
60 | EFIAPI\r | |
61 | ArmDataCacheSize (\r | |
62 | VOID\r | |
63 | )\r | |
64 | {\r | |
65 | switch (DATA_CACHE_SIZE(Cp15CacheInfo()))\r | |
66 | {\r | |
67 | case CACHE_SIZE_4_KB: return 4 * 1024; \r | |
68 | case CACHE_SIZE_8_KB: return 8 * 1024;\r | |
69 | case CACHE_SIZE_16_KB: return 16 * 1024; \r | |
70 | case CACHE_SIZE_32_KB: return 32 * 1024;\r | |
71 | case CACHE_SIZE_64_KB: return 64 * 1024;\r | |
72 | case CACHE_SIZE_128_KB: return 128 * 1024;\r | |
73 | default: return 0;\r | |
74 | }\r | |
75 | }\r | |
76 | \r | |
77 | UINTN\r | |
78 | EFIAPI\r | |
79 | ArmDataCacheAssociativity (\r | |
80 | VOID\r | |
81 | )\r | |
82 | {\r | |
83 | switch (DATA_CACHE_ASSOCIATIVITY(Cp15CacheInfo()))\r | |
84 | {\r | |
85 | case CACHE_ASSOCIATIVITY_4_WAY: return 4;\r | |
86 | case CACHE_ASSOCIATIVITY_DIRECT: return 1;\r | |
87 | default: return 0;\r | |
88 | }\r | |
89 | }\r | |
90 | \r | |
91 | UINTN\r | |
92 | EFIAPI\r | |
93 | ArmDataCacheLineLength (\r | |
94 | VOID\r | |
95 | )\r | |
96 | {\r | |
97 | switch (DATA_CACHE_LINE_LENGTH(Cp15CacheInfo()))\r | |
98 | {\r | |
99 | case CACHE_LINE_LENGTH_32_BYTES: return 32;\r | |
100 | default: return 0;\r | |
101 | }\r | |
102 | }\r | |
103 | \r | |
104 | BOOLEAN\r | |
105 | EFIAPI\r | |
106 | ArmInstructionCachePresent (\r | |
107 | VOID\r | |
108 | )\r | |
109 | {\r | |
110 | switch (INSTRUCTION_CACHE_PRESENT(Cp15CacheInfo()))\r | |
111 | {\r | |
112 | case CACHE_PRESENT: return TRUE;\r | |
113 | case CACHE_NOT_PRESENT: return FALSE;\r | |
114 | default: return FALSE;\r | |
115 | }\r | |
116 | }\r | |
117 | \r | |
118 | UINTN\r | |
119 | EFIAPI\r | |
120 | ArmInstructionCacheSize (\r | |
121 | VOID\r | |
122 | )\r | |
123 | {\r | |
124 | switch (INSTRUCTION_CACHE_SIZE(Cp15CacheInfo()))\r | |
125 | {\r | |
126 | case CACHE_SIZE_4_KB: return 4 * 1024; \r | |
127 | case CACHE_SIZE_8_KB: return 8 * 1024;\r | |
128 | case CACHE_SIZE_16_KB: return 16 * 1024; \r | |
129 | case CACHE_SIZE_32_KB: return 32 * 1024;\r | |
130 | case CACHE_SIZE_64_KB: return 64 * 1024;\r | |
131 | case CACHE_SIZE_128_KB: return 128 * 1024;\r | |
132 | default: return 0;\r | |
133 | }\r | |
134 | }\r | |
135 | \r | |
136 | UINTN\r | |
137 | EFIAPI\r | |
138 | ArmInstructionCacheAssociativity (\r | |
139 | VOID\r | |
140 | )\r | |
141 | {\r | |
142 | switch (INSTRUCTION_CACHE_ASSOCIATIVITY(Cp15CacheInfo()))\r | |
143 | {\r | |
144 | case CACHE_ASSOCIATIVITY_8_WAY: return 8;\r | |
145 | case CACHE_ASSOCIATIVITY_4_WAY: return 4;\r | |
146 | case CACHE_ASSOCIATIVITY_DIRECT: return 1;\r | |
147 | default: return 0;\r | |
148 | }\r | |
149 | }\r | |
150 | \r | |
151 | UINTN\r | |
152 | EFIAPI\r | |
153 | ArmInstructionCacheLineLength (\r | |
154 | VOID\r | |
155 | )\r | |
156 | {\r | |
157 | switch (INSTRUCTION_CACHE_LINE_LENGTH(Cp15CacheInfo()))\r | |
158 | {\r | |
159 | case CACHE_LINE_LENGTH_32_BYTES: return 32;\r | |
160 | default: return 0;\r | |
161 | }\r | |
162 | }\r | |
163 | \r | |
164 | \r |