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d2a16030 JY |
1 | /** @file\r |
2 | Capsule library runtime support.\r | |
3 | \r | |
96b17e00 | 4 | Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
d2a16030 JY |
6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include <PiDxe.h>\r | |
10 | \r | |
11 | #include <Guid/FmpCapsule.h>\r | |
12 | #include <Guid/SystemResourceTable.h>\r | |
13 | #include <Guid/EventGroup.h>\r | |
14 | \r | |
15 | #include <Library/BaseLib.h>\r | |
16 | #include <Library/DebugLib.h>\r | |
17 | #include <Library/BaseMemoryLib.h>\r | |
18 | #include <Library/DxeServicesTableLib.h>\r | |
19 | #include <Library/UefiBootServicesTableLib.h>\r | |
20 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
21 | #include <Library/MemoryAllocationLib.h>\r | |
22 | \r | |
03286264 DB |
23 | extern EFI_SYSTEM_RESOURCE_TABLE *mEsrtTable;\r |
24 | extern BOOLEAN mIsVirtualAddrConverted;\r | |
96b17e00 | 25 | EFI_EVENT mDxeRuntimeCapsuleLibVirtualAddressChangeEvent = NULL;\r |
2c0d39ac | 26 | EFI_EVENT mDxeRuntimeCapsuleLibReadyToBootEvent = NULL;\r |
d2a16030 JY |
27 | \r |
28 | /**\r | |
29 | Convert EsrtTable physical address to virtual address.\r | |
30 | \r | |
31 | @param[in] Event Event whose notification function is being invoked.\r | |
32 | @param[in] Context The pointer to the notification function's context, which\r | |
33 | is implementation-dependent.\r | |
34 | **/\r | |
35 | VOID\r | |
36 | EFIAPI\r | |
37 | DxeCapsuleLibVirtualAddressChangeEvent (\r | |
38 | IN EFI_EVENT Event,\r | |
39 | IN VOID *Context\r | |
40 | )\r | |
41 | {\r | |
2c0d39ac AB |
42 | gRT->ConvertPointer (EFI_OPTIONAL_PTR, (VOID **)&mEsrtTable);\r |
43 | mIsVirtualAddrConverted = TRUE;\r | |
44 | }\r | |
45 | \r | |
46 | /**\r | |
47 | Notify function for event group EFI_EVENT_GROUP_READY_TO_BOOT.\r | |
48 | \r | |
49 | @param[in] Event The Event that is being processed.\r | |
50 | @param[in] Context The Event Context.\r | |
51 | \r | |
52 | **/\r | |
53 | STATIC\r | |
54 | VOID\r | |
55 | EFIAPI\r | |
56 | DxeCapsuleLibReadyToBootEventNotify (\r | |
57 | IN EFI_EVENT Event,\r | |
58 | IN VOID *Context\r | |
59 | )\r | |
60 | {\r | |
61 | UINTN Index;\r | |
62 | EFI_CONFIGURATION_TABLE *ConfigEntry;\r | |
63 | EFI_SYSTEM_RESOURCE_TABLE *EsrtTable;\r | |
d2a16030 JY |
64 | \r |
65 | //\r | |
66 | // Get Esrt table first\r | |
67 | //\r | |
68 | ConfigEntry = gST->ConfigurationTable;\r | |
69 | for (Index = 0; Index < gST->NumberOfTableEntries; Index++) {\r | |
70 | if (CompareGuid(&gEfiSystemResourceTableGuid, &ConfigEntry->VendorGuid)) {\r | |
71 | break;\r | |
72 | }\r | |
73 | ConfigEntry++;\r | |
74 | }\r | |
75 | \r | |
76 | //\r | |
77 | // If no Esrt table installed in Configure Table\r | |
78 | //\r | |
79 | if (Index < gST->NumberOfTableEntries) {\r | |
80 | //\r | |
81 | // Search Esrt to check given capsule is qualified\r | |
82 | //\r | |
2c0d39ac AB |
83 | EsrtTable = (EFI_SYSTEM_RESOURCE_TABLE *) ConfigEntry->VendorTable;\r |
84 | \r | |
85 | mEsrtTable = AllocateRuntimeCopyPool (\r | |
86 | sizeof (EFI_SYSTEM_RESOURCE_TABLE) +\r | |
87 | EsrtTable->FwResourceCount * sizeof (EFI_SYSTEM_RESOURCE_ENTRY),\r | |
88 | EsrtTable);\r | |
89 | ASSERT (mEsrtTable != NULL);\r | |
d2a16030 JY |
90 | \r |
91 | //\r | |
2c0d39ac | 92 | // Set FwResourceCountMax to a sane value.\r |
d2a16030 | 93 | //\r |
2c0d39ac | 94 | mEsrtTable->FwResourceCountMax = mEsrtTable->FwResourceCount;\r |
d2a16030 | 95 | }\r |
d2a16030 JY |
96 | }\r |
97 | \r | |
98 | /**\r | |
99 | The constructor function hook VirtualAddressChange event to use ESRT table as capsule routing table.\r | |
100 | \r | |
101 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
102 | @param SystemTable A pointer to the EFI System Table.\r | |
103 | \r | |
104 | @retval EFI_SUCCESS The constructor successfully .\r | |
105 | **/\r | |
106 | EFI_STATUS\r | |
107 | EFIAPI\r | |
108 | DxeRuntimeCapsuleLibConstructor (\r | |
109 | IN EFI_HANDLE ImageHandle,\r | |
110 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
111 | )\r | |
112 | {\r | |
113 | EFI_STATUS Status;\r | |
d2a16030 JY |
114 | \r |
115 | //\r | |
116 | // Make sure we can handle virtual address changes.\r | |
117 | //\r | |
d2a16030 JY |
118 | Status = gBS->CreateEventEx (\r |
119 | EVT_NOTIFY_SIGNAL,\r | |
120 | TPL_NOTIFY,\r | |
121 | DxeCapsuleLibVirtualAddressChangeEvent,\r | |
122 | NULL,\r | |
123 | &gEfiEventVirtualAddressChangeGuid,\r | |
96b17e00 | 124 | &mDxeRuntimeCapsuleLibVirtualAddressChangeEvent\r |
d2a16030 JY |
125 | );\r |
126 | ASSERT_EFI_ERROR (Status);\r | |
127 | \r | |
2c0d39ac AB |
128 | //\r |
129 | // Register notify function to cache the FMP capsule GUIDs at ReadyToBoot.\r | |
130 | //\r | |
131 | Status = gBS->CreateEventEx (\r | |
132 | EVT_NOTIFY_SIGNAL,\r | |
133 | TPL_CALLBACK,\r | |
134 | DxeCapsuleLibReadyToBootEventNotify,\r | |
135 | NULL,\r | |
136 | &gEfiEventReadyToBootGuid,\r | |
137 | &mDxeRuntimeCapsuleLibReadyToBootEvent\r | |
138 | );\r | |
139 | ASSERT_EFI_ERROR (Status);\r | |
140 | \r | |
d2a16030 JY |
141 | return EFI_SUCCESS;\r |
142 | }\r | |
96b17e00 HW |
143 | \r |
144 | /**\r | |
145 | The destructor function closes the VirtualAddressChange event.\r | |
146 | \r | |
147 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
148 | @param SystemTable A pointer to the EFI System Table.\r | |
149 | \r | |
150 | @retval EFI_SUCCESS The destructor completed successfully.\r | |
151 | **/\r | |
152 | EFI_STATUS\r | |
153 | EFIAPI\r | |
154 | DxeRuntimeCapsuleLibDestructor (\r | |
155 | IN EFI_HANDLE ImageHandle,\r | |
156 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
157 | )\r | |
158 | {\r | |
159 | EFI_STATUS Status;\r | |
160 | \r | |
161 | //\r | |
162 | // Close the VirtualAddressChange event.\r | |
163 | //\r | |
164 | Status = gBS->CloseEvent (mDxeRuntimeCapsuleLibVirtualAddressChangeEvent);\r | |
165 | ASSERT_EFI_ERROR (Status);\r | |
166 | \r | |
2c0d39ac AB |
167 | //\r |
168 | // Close the ReadyToBoot event.\r | |
169 | //\r | |
170 | Status = gBS->CloseEvent (mDxeRuntimeCapsuleLibReadyToBootEvent);\r | |
171 | ASSERT_EFI_ERROR (Status);\r | |
172 | \r | |
96b17e00 HW |
173 | return EFI_SUCCESS;\r |
174 | }\r |