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1 | /**@file\r |
2 | \r | |
3 | Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r | |
4 | Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>\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 "StandaloneMmCore.h"\r | |
16 | #include <Library/FvLib.h>\r | |
17 | \r | |
18 | //\r | |
19 | // List of file types supported by dispatcher\r | |
20 | //\r | |
21 | EFI_FV_FILETYPE mMmFileTypes[] = {\r | |
22 | EFI_FV_FILETYPE_MM,\r | |
23 | 0xE, //EFI_FV_FILETYPE_MM_STANDALONE,\r | |
24 | //\r | |
25 | // Note: DXE core will process the FV image file, so skip it in MM core\r | |
26 | // EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE\r | |
27 | //\r | |
28 | };\r | |
29 | \r | |
30 | EFI_STATUS\r | |
31 | MmAddToDriverList (\r | |
32 | IN EFI_HANDLE FvHandle,\r | |
33 | IN VOID *Pe32Data,\r | |
34 | IN UINTN Pe32DataSize,\r | |
35 | IN VOID *Depex,\r | |
36 | IN UINTN DepexSize,\r | |
37 | IN EFI_GUID *DriverName\r | |
38 | );\r | |
39 | \r | |
40 | BOOLEAN\r | |
41 | FvHasBeenProcessed (\r | |
42 | IN EFI_HANDLE FvHandle\r | |
43 | );\r | |
44 | \r | |
45 | VOID\r | |
46 | FvIsBeingProcesssed (\r | |
47 | IN EFI_HANDLE FvHandle\r | |
48 | );\r | |
49 | \r | |
50 | EFI_STATUS\r | |
51 | MmCoreFfsFindMmDriver (\r | |
52 | IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader\r | |
53 | )\r | |
54 | /*++\r | |
55 | \r | |
56 | Routine Description:\r | |
57 | Given the pointer to the Firmware Volume Header find the\r | |
58 | MM driver and return it's PE32 image.\r | |
59 | \r | |
60 | Arguments:\r | |
61 | FwVolHeader - Pointer to memory mapped FV\r | |
62 | \r | |
63 | Returns:\r | |
64 | other - Failure\r | |
65 | \r | |
66 | --*/\r | |
67 | {\r | |
68 | EFI_STATUS Status;\r | |
69 | EFI_STATUS DepexStatus;\r | |
70 | EFI_FFS_FILE_HEADER *FileHeader;\r | |
71 | EFI_FV_FILETYPE FileType;\r | |
72 | VOID *Pe32Data;\r | |
73 | UINTN Pe32DataSize;\r | |
74 | VOID *Depex;\r | |
75 | UINTN DepexSize;\r | |
76 | UINTN Index;\r | |
77 | \r | |
78 | DEBUG ((DEBUG_INFO, "MmCoreFfsFindMmDriver - 0x%x\n", FwVolHeader));\r | |
79 | \r | |
80 | if (FvHasBeenProcessed (FwVolHeader)) {\r | |
81 | return EFI_SUCCESS;\r | |
82 | }\r | |
83 | \r | |
84 | FvIsBeingProcesssed (FwVolHeader);\r | |
85 | \r | |
86 | for (Index = 0; Index < sizeof (mMmFileTypes) / sizeof (mMmFileTypes[0]); Index++) {\r | |
87 | DEBUG ((DEBUG_INFO, "Check MmFileTypes - 0x%x\n", mMmFileTypes[Index]));\r | |
88 | FileType = mMmFileTypes[Index];\r | |
89 | FileHeader = NULL;\r | |
90 | do {\r | |
91 | Status = FfsFindNextFile (FileType, FwVolHeader, &FileHeader);\r | |
92 | if (!EFI_ERROR (Status)) {\r | |
93 | Status = FfsFindSectionData (EFI_SECTION_PE32, FileHeader, &Pe32Data, &Pe32DataSize);\r | |
94 | DEBUG ((DEBUG_INFO, "Find PE data - 0x%x\n", Pe32Data));\r | |
95 | DepexStatus = FfsFindSectionData (EFI_SECTION_MM_DEPEX, FileHeader, &Depex, &DepexSize);\r | |
96 | if (!EFI_ERROR (DepexStatus)) {\r | |
97 | MmAddToDriverList (FwVolHeader, Pe32Data, Pe32DataSize, Depex, DepexSize, &FileHeader->Name);\r | |
98 | }\r | |
99 | }\r | |
100 | } while (!EFI_ERROR (Status));\r | |
101 | }\r | |
102 | \r | |
103 | return Status;\r | |
104 | }\r |