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1 | /** @file\r |
2 | *\r |
3 | * Copyright (c) 2011, ARM Limited. All rights reserved.\r |
4 | * \r |
5 | * This program and the accompanying materials \r |
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 <PiPei.h>\r |
16 | \r |
17 | //\r |
18 | // The protocols, PPI and GUID defintions for this module\r |
19 | //\r |
20 | #include <Ppi/MasterBootMode.h>\r |
21 | #include <Ppi/BootInRecoveryMode.h>\r |
22 | #include <Guid/MemoryTypeInformation.h>\r |
23 | //\r |
24 | // The Library classes this module consumes\r |
25 | //\r |
26 | #include <Library/ArmPlatformLib.h>\r |
27 | #include <Library/DebugLib.h>\r |
28 | #include <Library/HobLib.h>\r |
29 | #include <Library/PeimEntryPoint.h>\r |
30 | #include <Library/PeiServicesLib.h>\r |
31 | #include <Library/PcdLib.h>\r |
32 | \r |
33 | EFI_STATUS\r |
34 | EFIAPI\r |
35 | MemoryPeim (\r |
36 | IN EFI_PHYSICAL_ADDRESS UefiMemoryBase,\r |
37 | IN UINT64 UefiMemorySize\r |
38 | );\r |
39 | \r |
40 | // May want to put this into a library so you only need the PCD settings if you are using the feature?\r |
41 | VOID\r |
42 | BuildMemoryTypeInformationHob (\r |
43 | VOID\r |
44 | )\r |
45 | {\r |
46 | EFI_MEMORY_TYPE_INFORMATION Info[10];\r |
47 | \r |
48 | Info[0].Type = EfiACPIReclaimMemory;\r |
49 | Info[0].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory);\r |
50 | Info[1].Type = EfiACPIMemoryNVS;\r |
51 | Info[1].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS);\r |
52 | Info[2].Type = EfiReservedMemoryType;\r |
53 | Info[2].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiReservedMemoryType);\r |
54 | Info[3].Type = EfiRuntimeServicesData;\r |
55 | Info[3].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesData);\r |
56 | Info[4].Type = EfiRuntimeServicesCode;\r |
57 | Info[4].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode);\r |
58 | Info[5].Type = EfiBootServicesCode;\r |
59 | Info[5].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesCode);\r |
60 | Info[6].Type = EfiBootServicesData;\r |
61 | Info[6].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesData);\r |
62 | Info[7].Type = EfiLoaderCode;\r |
63 | Info[7].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderCode);\r |
64 | Info[8].Type = EfiLoaderData;\r |
65 | Info[8].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderData);\r |
66 | \r |
67 | // Terminator for the list\r |
68 | Info[9].Type = EfiMaxMemoryType;\r |
69 | Info[9].NumberOfPages = 0;\r |
70 | \r |
71 | BuildGuidDataHob (&gEfiMemoryTypeInformationGuid, &Info, sizeof (Info));\r |
72 | }\r |
73 | \r |
74 | /*++\r |
75 | \r |
76 | Routine Description:\r |
77 | \r |
78 | \r |
79 | \r |
80 | Arguments:\r |
81 | \r |
82 | FileHandle - Handle of the file being invoked.\r |
83 | PeiServices - Describes the list of possible PEI Services.\r |
84 | \r |
85 | Returns:\r |
86 | \r |
87 | Status - EFI_SUCCESS if the boot mode could be set\r |
88 | \r |
89 | --*/\r |
90 | EFI_STATUS\r |
91 | EFIAPI\r |
92 | InitializeMemory (\r |
93 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
94 | IN CONST EFI_PEI_SERVICES **PeiServices\r |
95 | )\r |
96 | {\r |
97 | EFI_STATUS Status;\r |
98 | EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;\r |
99 | ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR* EfiMemoryMap;\r |
100 | UINTN Index;\r |
101 | UINTN SystemMemoryTop;\r |
102 | UINTN UefiMemoryBase;\r |
103 | UINTN UefiMemorySize;\r |
104 | \r |
105 | DEBUG ((EFI_D_ERROR, "Memory Init PEIM Loaded\n"));\r |
106 | \r |
107 | // Ensure PcdSystemMemorySize has been set\r |
108 | ASSERT (FixedPcdGet32 (PcdSystemMemorySize) != 0);\r |
109 | \r |
110 | SystemMemoryTop = (UINTN)FixedPcdGet32 (PcdSystemMemoryBase) + (UINTN)FixedPcdGet32 (PcdSystemMemorySize);\r |
111 | \r |
112 | //\r |
113 | // Initialize the System Memory (DRAM)\r |
114 | //\r |
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115 | if (PcdGet32 (PcdStandalone)) {\r |
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116 | // In case of a standalone version, the DRAM is already initialized\r |
117 | ArmPlatformInitializeSystemMemory();\r |
118 | }\r |
119 | \r |
120 | //\r |
121 | // Declare the UEFI memory to PEI\r |
122 | //\r |
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123 | if (PcdGet32 (PcdStandalone)) {\r |
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124 | // In case of standalone UEFI, we set the UEFI memory region at the top of the DRAM\r |
125 | UefiMemoryBase = SystemMemoryTop - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);\r |
126 | } else {\r |
127 | // In case of a non standalone UEFI, we set the UEFI memory below the Firmware Volume\r |
128 | UefiMemoryBase = FixedPcdGet32 (PcdNormalFdBaseAddress) - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);\r |
129 | }\r |
130 | Status = PeiServicesInstallPeiMemory (UefiMemoryBase,FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));\r |
131 | ASSERT_EFI_ERROR (Status);\r |
132 | \r |
133 | // Initialize MMU and Memory HOBs (Resource Descriptor HOBs)\r |
134 | Status = MemoryPeim (UefiMemoryBase, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));\r |
135 | ASSERT_EFI_ERROR (Status);\r |
136 | \r |
137 | return Status;\r |
138 | }\r |