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afdfe8f0 | 1 | /**@file\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | MemoryInit.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | PEIM to provide fake memory init\r | |
19 | \r | |
20 | **/\r | |
21 | \r | |
22 | \r | |
23 | \r | |
24 | //\r | |
25 | // The package level header files this module uses\r | |
26 | //\r | |
27 | #include <PiPei.h>\r | |
28 | //\r | |
29 | // The protocols, PPI and GUID defintions for this module\r | |
30 | //\r | |
31 | #include <Ppi/MasterBootMode.h>\r | |
32 | #include <Ppi/BootInRecoveryMode.h>\r | |
33 | //\r | |
34 | // The Library classes this module consumes\r | |
35 | //\r | |
36 | #include <Library/DebugLib.h>\r | |
37 | #include <Library/PeimEntryPoint.h>\r | |
38 | #include <Library/PcdLib.h>\r | |
39 | #include <Library/HobLib.h>\r | |
40 | #include <Library/PeiServicesLib.h>\r | |
41 | \r | |
42 | \r | |
43 | //\r | |
44 | // Module globals\r | |
45 | //\r | |
46 | \r | |
47 | EFI_STATUS\r | |
48 | EFIAPI\r | |
49 | InitializeMemory (\r | |
50 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
51 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
52 | )\r | |
53 | /*++\r | |
54 | \r | |
55 | Routine Description:\r | |
56 | \r | |
57 | \r | |
58 | \r | |
59 | Arguments:\r | |
60 | \r | |
61 | FileHandle - Handle of the file being invoked.\r | |
62 | PeiServices - Describes the list of possible PEI Services.\r | |
63 | \r | |
64 | Returns:\r | |
65 | \r | |
66 | Status - EFI_SUCCESS if the boot mode could be set\r | |
67 | \r | |
68 | --*/\r | |
69 | {\r | |
70 | EFI_STATUS Status;\r | |
71 | EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;\r | |
72 | UINT64 MemoryBase;\r | |
73 | UINT64 MemorySize;\r | |
74 | \r | |
75 | DEBUG ((EFI_D_ERROR, "Memory Init PEIM Loaded\n"));\r | |
76 | \r | |
77 | // NOTE: this needs to come from your memory controller initization process\r | |
78 | MemoryBase = 0;\r | |
79 | MemorySize = 0x10000000;\r | |
80 | \r | |
81 | DEBUG ((EFI_D_ERROR, "Installing hardcoded 256MB\n"));\r | |
82 | Status = PeiServicesInstallPeiMemory (MemoryBase, MemorySize);\r | |
83 | ASSERT_EFI_ERROR (Status);\r | |
84 | \r | |
85 | Attributes =\r | |
86 | (\r | |
87 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
88 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
89 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
90 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
91 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
92 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |\r | |
93 | EFI_RESOURCE_ATTRIBUTE_TESTED\r | |
94 | );\r | |
95 | \r | |
96 | BuildResourceDescriptorHob (\r | |
97 | EFI_RESOURCE_SYSTEM_MEMORY,\r | |
98 | Attributes,\r | |
99 | MemoryBase,\r | |
100 | MemorySize\r | |
101 | );\r | |
102 | \r | |
103 | return Status;\r | |
104 | }\r |