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ad1a1798 | 1 | /** @file\r |
2 | Memory status code worker in PEI.\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation \r | |
5 | All rights reserved. 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 | Module Name: MemoryStatusCodeWorker.c\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | //\r | |
18 | // Include common header file for this module.\r | |
19 | //\r | |
20 | #include "CommonHeader.h"\r | |
21 | \r | |
22 | #include "PeiStatusCode.h"\r | |
23 | \r | |
24 | /**\r | |
25 | Create one memory status code GUID'ed HOB, use PacketIndex \r | |
26 | to identify the packet.\r | |
27 | \r | |
28 | @param PacketIndex Index of records packet. \r | |
29 | \r | |
30 | @return Always return pointer of memory status code packet.\r | |
31 | \r | |
32 | **/\r | |
33 | STATIC\r | |
34 | MEMORY_STATUSCODE_PACKET_HEADER *\r | |
35 | CreateMemoryStatusCodePacket (\r | |
36 | UINT16 PacketIndex\r | |
37 | )\r | |
38 | {\r | |
39 | MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;\r | |
40 | \r | |
41 | //\r | |
42 | // Build GUID'ed HOB with PCD defined size.\r | |
43 | //\r | |
44 | PacketHeader =\r | |
45 | (MEMORY_STATUSCODE_PACKET_HEADER *) BuildGuidHob (\r | |
46 | &gMemoryStatusCodeRecordGuid, \r | |
47 | PcdGet16 (PcdStatusCodeMemorySize) * \r | |
48 | 1024 +\r | |
49 | sizeof (MEMORY_STATUSCODE_PACKET_HEADER)\r | |
50 | );\r | |
51 | ASSERT (PacketHeader != NULL);\r | |
52 | \r | |
53 | PacketHeader->MaxRecordsNumber = (PcdGet16 (PcdStatusCodeMemorySize) * 1024)/ sizeof (MEMORY_STATUSCODE_RECORD);\r | |
54 | PacketHeader->PacketIndex = PacketIndex;\r | |
55 | PacketHeader->RecordIndex = 0;\r | |
56 | \r | |
57 | return PacketHeader;\r | |
58 | }\r | |
59 | \r | |
60 | \r | |
61 | \r | |
62 | /**\r | |
63 | Initialize memory status code.\r | |
64 | Create one GUID'ed HOB with PCD defined size. If create required size \r | |
65 | GUID'ed HOB failed, then ASSERT().\r | |
66 | \r | |
67 | @return The function always return EFI_SUCCESS\r | |
68 | \r | |
69 | **/\r | |
70 | EFI_STATUS\r | |
71 | MemoryStatusCodeInitializeWorker (\r | |
72 | VOID\r | |
73 | )\r | |
74 | {\r | |
75 | //\r | |
76 | // Create first memory status code GUID'ed HOB.\r | |
77 | //\r | |
78 | CreateMemoryStatusCodePacket (0);\r | |
79 | \r | |
80 | return EFI_SUCCESS;\r | |
81 | }\r | |
82 | \r | |
83 | \r | |
84 | /**\r | |
85 | Report status code into GUID'ed HOB..\r | |
86 | \r | |
87 | @param CodeType Indicates the type of status code being reported. Type EFI_STATUS_CODE_TYPE is defined in "Related Definitions" below.\r | |
88 | \r | |
89 | @param Value Describes the current status of a hardware or software entity. \r | |
90 | This included information about the class and subclass that is used to classify the entity \r | |
91 | as well as an operation. For progress codes, the operation is the current activity. \r | |
92 | For error codes, it is the exception. For debug codes, it is not defined at this time. \r | |
93 | Type EFI_STATUS_CODE_VALUE is defined in "Related Definitions" below. \r | |
94 | Specific values are discussed in the Intel? Platform Innovation Framework for EFI Status Code Specification.\r | |
95 | \r | |
96 | @param Instance The enumeration of a hardware or software entity within the system. \r | |
97 | A system may contain multiple entities that match a class/subclass pairing. \r | |
98 | The instance differentiates between them. An instance of 0 indicates that instance information is unavailable, \r | |
99 | not meaningful, or not relevant. Valid instance numbers start with 1.\r | |
100 | \r | |
101 | @return The function always return EFI_SUCCESS.\r | |
102 | \r | |
103 | **/\r | |
104 | EFI_STATUS\r | |
105 | MemoryStatusCodeReportWorker (\r | |
106 | IN EFI_STATUS_CODE_TYPE CodeType,\r | |
107 | IN EFI_STATUS_CODE_VALUE Value,\r | |
108 | IN UINT32 Instance\r | |
109 | )\r | |
110 | {\r | |
111 | \r | |
112 | EFI_PEI_HOB_POINTERS Hob;\r | |
113 | MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;\r | |
114 | MEMORY_STATUSCODE_RECORD *Record = NULL;\r | |
115 | UINT16 PacketIndex = 0;;\r | |
116 | \r | |
117 | //\r | |
118 | // Journal GUID'ed HOBs to find empty record entry, if found, then save status code in it.\r | |
119 | // otherwise, create a new GUID'ed HOB.\r | |
120 | //\r | |
121 | Hob.Raw = GetFirstGuidHob (&gMemoryStatusCodeRecordGuid);\r | |
122 | while (Hob.Raw != NULL) {\r | |
123 | PacketHeader = (MEMORY_STATUSCODE_PACKET_HEADER *) GET_GUID_HOB_DATA (Hob.Guid);\r | |
124 | \r | |
125 | //\r | |
126 | // Check whether pccket is full or not.\r | |
127 | //\r | |
128 | if (PacketHeader->RecordIndex < PacketHeader->MaxRecordsNumber) {\r | |
129 | Record = (MEMORY_STATUSCODE_RECORD *) (PacketHeader + 1);\r | |
130 | Record = &Record[PacketHeader->RecordIndex++];\r | |
131 | break;\r | |
132 | }\r | |
133 | //\r | |
134 | // Cache number of found packet in PacketIndex.\r | |
135 | //\r | |
136 | PacketIndex++;\r | |
137 | \r | |
138 | Hob.Raw = GetNextGuidHob (&gMemoryStatusCodeRecordGuid, Hob.Raw);\r | |
139 | }\r | |
140 | \r | |
141 | if (NULL == Record) {\r | |
142 | //\r | |
143 | // In order to save status code , create new packet. \r | |
144 | //\r | |
145 | PacketHeader = CreateMemoryStatusCodePacket (PacketIndex);\r | |
146 | \r | |
147 | Record = (MEMORY_STATUSCODE_RECORD *) (PacketHeader + 1); \r | |
148 | Record = &Record[PacketHeader->RecordIndex++];\r | |
149 | }\r | |
150 | \r | |
151 | Record->CodeType = CodeType;\r | |
152 | Record->Instance = Instance;\r | |
153 | Record->Value = Value;\r | |
154 | \r | |
155 | return EFI_SUCCESS;\r | |
156 | }\r |