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3af9b388 | 1 | /** @file\r |
2 | Status Code Handler Driver which produces general handlers and hook them\r | |
3 | onto the DXE status code router.\r | |
4 | \r | |
45bc2817 | 5 | Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
3af9b388 | 7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include "StatusCodeHandlerRuntimeDxe.h"\r | |
11 | \r | |
12 | EFI_EVENT mVirtualAddressChangeEvent = NULL;\r | |
3af9b388 | 13 | EFI_RSC_HANDLER_PROTOCOL *mRscHandlerProtocol = NULL;\r |
14 | \r | |
15 | /**\r | |
16 | Unregister status code callback functions only available at boot time from\r | |
17 | report status code router when exiting boot services.\r | |
18 | \r | |
3af9b388 | 19 | **/\r |
20 | VOID\r | |
21 | EFIAPI\r | |
d4945b10 MT |
22 | UnregisterSerialBootTimeHandlers (\r |
23 | VOID\r | |
3af9b388 | 24 | )\r |
25 | {\r | |
45bc2817 | 26 | if (PcdGetBool (PcdStatusCodeUseSerial)) {\r |
3af9b388 | 27 | mRscHandlerProtocol->Unregister (SerialStatusCodeReportWorker);\r |
28 | }\r | |
29 | }\r | |
30 | \r | |
31 | /**\r | |
32 | Virtual address change notification call back. It converts global pointer\r | |
33 | to virtual address.\r | |
34 | \r | |
35 | @param Event Event whose notification function is being invoked.\r | |
36 | @param Context Pointer to the notification function's context, which is\r | |
37 | always zero in current implementation.\r | |
38 | \r | |
39 | **/\r | |
40 | VOID\r | |
41 | EFIAPI\r | |
42 | VirtualAddressChangeCallBack (\r | |
1436aea4 MK |
43 | IN EFI_EVENT Event,\r |
44 | IN VOID *Context\r | |
3af9b388 | 45 | )\r |
46 | {\r | |
47 | //\r | |
48 | // Convert memory status code table to virtual address;\r | |
49 | //\r | |
50 | EfiConvertPointer (\r | |
51 | 0,\r | |
1436aea4 | 52 | (VOID **)&mRtMemoryStatusCodeTable\r |
3af9b388 | 53 | );\r |
54 | }\r | |
55 | \r | |
56 | /**\r | |
d1102dba | 57 | Dispatch initialization request to sub status code devices based on\r |
3af9b388 | 58 | customized feature flags.\r |
d1102dba | 59 | \r |
3af9b388 | 60 | **/\r |
61 | VOID\r | |
62 | InitializationDispatcherWorker (\r | |
63 | VOID\r | |
64 | )\r | |
65 | {\r | |
1436aea4 MK |
66 | EFI_PEI_HOB_POINTERS Hob;\r |
67 | EFI_STATUS Status;\r | |
68 | MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;\r | |
69 | MEMORY_STATUSCODE_RECORD *Record;\r | |
70 | UINTN Index;\r | |
71 | UINTN MaxRecordNumber;\r | |
3af9b388 | 72 | \r |
73 | //\r | |
74 | // If enable UseSerial, then initialize serial port.\r | |
75 | // if enable UseRuntimeMemory, then initialize runtime memory status code worker.\r | |
76 | //\r | |
45bc2817 | 77 | if (PcdGetBool (PcdStatusCodeUseSerial)) {\r |
3af9b388 | 78 | //\r |
79 | // Call Serial Port Lib API to initialize serial port.\r | |
80 | //\r | |
81 | Status = SerialPortInitialize ();\r | |
82 | ASSERT_EFI_ERROR (Status);\r | |
83 | }\r | |
1436aea4 | 84 | \r |
45bc2817 | 85 | if (PcdGetBool (PcdStatusCodeUseMemory)) {\r |
3af9b388 | 86 | Status = RtMemoryStatusCodeInitializeWorker ();\r |
87 | ASSERT_EFI_ERROR (Status);\r | |
88 | }\r | |
89 | \r | |
90 | //\r | |
d1102dba | 91 | // Replay Status code which saved in GUID'ed HOB to all supported devices.\r |
3af9b388 | 92 | //\r |
93 | if (FeaturePcdGet (PcdStatusCodeReplayIn)) {\r | |
d1102dba LG |
94 | //\r |
95 | // Journal GUID'ed HOBs to find all record entry, if found,\r | |
3af9b388 | 96 | // then output record to support replay device.\r |
97 | //\r | |
1436aea4 | 98 | Hob.Raw = GetFirstGuidHob (&gMemoryStatusCodeRecordGuid);\r |
be63a20a | 99 | if (Hob.Raw != NULL) {\r |
1436aea4 MK |
100 | PacketHeader = (MEMORY_STATUSCODE_PACKET_HEADER *)GET_GUID_HOB_DATA (Hob.Guid);\r |
101 | Record = (MEMORY_STATUSCODE_RECORD *)(PacketHeader + 1);\r | |
102 | MaxRecordNumber = (UINTN)PacketHeader->RecordIndex;\r | |
be63a20a | 103 | if (PacketHeader->PacketIndex > 0) {\r |
3af9b388 | 104 | //\r |
be63a20a | 105 | // Record has been wrapped around. So, record number has arrived at max number.\r |
3af9b388 | 106 | //\r |
1436aea4 | 107 | MaxRecordNumber = (UINTN)PacketHeader->MaxRecordsNumber;\r |
be63a20a | 108 | }\r |
1436aea4 | 109 | \r |
be63a20a | 110 | for (Index = 0; Index < MaxRecordNumber; Index++) {\r |
3af9b388 | 111 | //\r |
be63a20a | 112 | // Dispatch records to devices based on feature flag.\r |
3af9b388 | 113 | //\r |
45bc2817 | 114 | if (PcdGetBool (PcdStatusCodeUseSerial)) {\r |
be63a20a LG |
115 | SerialStatusCodeReportWorker (\r |
116 | Record[Index].CodeType,\r | |
117 | Record[Index].Value,\r | |
118 | Record[Index].Instance,\r | |
119 | NULL,\r | |
120 | NULL\r | |
121 | );\r | |
122 | }\r | |
1436aea4 | 123 | \r |
45bc2817 | 124 | if (PcdGetBool (PcdStatusCodeUseMemory)) {\r |
be63a20a LG |
125 | RtMemoryStatusCodeReportWorker (\r |
126 | Record[Index].CodeType,\r | |
127 | Record[Index].Value,\r | |
128 | Record[Index].Instance,\r | |
129 | NULL,\r | |
130 | NULL\r | |
131 | );\r | |
132 | }\r | |
3af9b388 | 133 | }\r |
3af9b388 | 134 | }\r |
135 | }\r | |
136 | }\r | |
137 | \r | |
138 | /**\r | |
139 | Entry point of DXE Status Code Driver.\r | |
140 | \r | |
141 | This function is the entry point of this DXE Status Code Driver.\r | |
142 | It initializes registers status code handlers, and registers event for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.\r | |
143 | \r | |
144 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
145 | @param SystemTable A pointer to the EFI System Table.\r | |
d1102dba | 146 | \r |
3af9b388 | 147 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
148 | \r | |
149 | **/\r | |
150 | EFI_STATUS\r | |
151 | EFIAPI\r | |
152 | StatusCodeHandlerRuntimeDxeEntry (\r | |
1436aea4 MK |
153 | IN EFI_HANDLE ImageHandle,\r |
154 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
3af9b388 | 155 | )\r |
156 | {\r | |
1436aea4 | 157 | EFI_STATUS Status;\r |
3af9b388 | 158 | \r |
159 | Status = gBS->LocateProtocol (\r | |
160 | &gEfiRscHandlerProtocolGuid,\r | |
161 | NULL,\r | |
1436aea4 | 162 | (VOID **)&mRscHandlerProtocol\r |
3af9b388 | 163 | );\r |
164 | ASSERT_EFI_ERROR (Status);\r | |
165 | \r | |
166 | //\r | |
167 | // Dispatch initialization request to supported devices\r | |
168 | //\r | |
169 | InitializationDispatcherWorker ();\r | |
170 | \r | |
45bc2817 | 171 | if (PcdGetBool (PcdStatusCodeUseSerial)) {\r |
3af9b388 | 172 | mRscHandlerProtocol->Register (SerialStatusCodeReportWorker, TPL_HIGH_LEVEL);\r |
173 | }\r | |
1436aea4 | 174 | \r |
45bc2817 | 175 | if (PcdGetBool (PcdStatusCodeUseMemory)) {\r |
3af9b388 | 176 | mRscHandlerProtocol->Register (RtMemoryStatusCodeReportWorker, TPL_HIGH_LEVEL);\r |
177 | }\r | |
178 | \r | |
3af9b388 | 179 | Status = gBS->CreateEventEx (\r |
180 | EVT_NOTIFY_SIGNAL,\r | |
181 | TPL_NOTIFY,\r | |
182 | VirtualAddressChangeCallBack,\r | |
183 | NULL,\r | |
184 | &gEfiEventVirtualAddressChangeGuid,\r | |
185 | &mVirtualAddressChangeEvent\r | |
186 | );\r | |
187 | ASSERT_EFI_ERROR (Status);\r | |
188 | \r | |
189 | return EFI_SUCCESS;\r | |
190 | }\r |