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beda2356 | 1 | /** @file\r |
2 | The module entry point for SecureBoot configuration module.\r | |
3 | \r | |
b3548d32 | 4 | Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r |
289b714b | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
beda2356 | 6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "SecureBootConfigImpl.h"\r | |
10 | \r | |
11 | /**\r | |
12 | The entry point for SecureBoot configuration driver.\r | |
13 | \r | |
14 | @param[in] ImageHandle The image handle of the driver.\r | |
15 | @param[in] SystemTable The system table.\r | |
16 | \r | |
17 | @retval EFI_ALREADY_STARTED The driver already exists in system.\r | |
18 | @retval EFI_OUT_OF_RESOURCES Fail to execute entry point due to lack of resources.\r | |
19 | @retval EFI_SUCCES All the related protocols are installed on the driver.\r | |
20 | @retval Others Fail to get the SecureBootEnable variable.\r | |
21 | \r | |
22 | **/\r | |
23 | EFI_STATUS\r | |
24 | EFIAPI\r | |
25 | SecureBootConfigDriverEntryPoint (\r | |
26 | IN EFI_HANDLE ImageHandle,\r | |
27 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
28 | )\r | |
29 | {\r | |
30 | EFI_STATUS Status;\r | |
31 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
b3548d32 | 32 | \r |
beda2356 | 33 | //\r |
34 | // If already started, return.\r | |
35 | //\r | |
36 | Status = gBS->OpenProtocol (\r | |
37 | ImageHandle,\r | |
38 | &gEfiCallerIdGuid,\r | |
39 | NULL,\r | |
40 | ImageHandle,\r | |
41 | ImageHandle,\r | |
42 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
43 | );\r | |
44 | if (!EFI_ERROR (Status)) {\r | |
45 | return EFI_ALREADY_STARTED;\r | |
46 | }\r | |
b3548d32 | 47 | \r |
beda2356 | 48 | //\r |
49 | // Create a private data structure.\r | |
50 | //\r | |
51 | PrivateData = AllocateCopyPool (sizeof (SECUREBOOT_CONFIG_PRIVATE_DATA), &mSecureBootConfigPrivateDateTemplate);\r | |
52 | if (PrivateData == NULL) {\r | |
53 | return EFI_OUT_OF_RESOURCES;\r | |
54 | }\r | |
b3548d32 | 55 | \r |
beda2356 | 56 | //\r |
57 | // Install SecureBoot configuration form\r | |
58 | //\r | |
59 | Status = InstallSecureBootConfigForm (PrivateData);\r | |
60 | if (EFI_ERROR (Status)) {\r | |
61 | goto ErrorExit;\r | |
62 | }\r | |
63 | \r | |
64 | //\r | |
65 | // Install private GUID.\r | |
b3548d32 | 66 | //\r |
beda2356 | 67 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
68 | &ImageHandle,\r | |
69 | &gEfiCallerIdGuid,\r | |
70 | PrivateData,\r | |
71 | NULL\r | |
72 | );\r | |
73 | \r | |
74 | if (EFI_ERROR (Status)) {\r | |
75 | goto ErrorExit;\r | |
76 | }\r | |
77 | \r | |
78 | return EFI_SUCCESS;\r | |
79 | \r | |
80 | ErrorExit:\r | |
81 | if (PrivateData != NULL) {\r | |
82 | UninstallSecureBootConfigForm (PrivateData);\r | |
b3548d32 LG |
83 | }\r |
84 | \r | |
beda2356 | 85 | return Status;\r |
86 | }\r | |
87 | \r | |
88 | /**\r | |
89 | Unload the SecureBoot configuration form.\r | |
90 | \r | |
91 | @param[in] ImageHandle The driver's image handle.\r | |
92 | \r | |
93 | @retval EFI_SUCCESS The SecureBoot configuration form is unloaded.\r | |
94 | @retval Others Failed to unload the form.\r | |
95 | \r | |
96 | **/\r | |
97 | EFI_STATUS\r | |
98 | EFIAPI\r | |
99 | SecureBootConfigDriverUnload (\r | |
100 | IN EFI_HANDLE ImageHandle\r | |
101 | )\r | |
102 | {\r | |
103 | EFI_STATUS Status;\r | |
104 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
105 | \r | |
106 | Status = gBS->HandleProtocol (\r | |
107 | ImageHandle,\r | |
108 | &gEfiCallerIdGuid,\r | |
109 | (VOID **) &PrivateData\r | |
b3548d32 | 110 | );\r |
beda2356 | 111 | if (EFI_ERROR (Status)) {\r |
b3548d32 | 112 | return Status;\r |
beda2356 | 113 | }\r |
b3548d32 | 114 | \r |
beda2356 | 115 | ASSERT (PrivateData->Signature == SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE);\r |
116 | \r | |
117 | gBS->UninstallMultipleProtocolInterfaces (\r | |
a629d5b9 | 118 | ImageHandle,\r |
beda2356 | 119 | &gEfiCallerIdGuid,\r |
120 | PrivateData,\r | |
121 | NULL\r | |
122 | );\r | |
b3548d32 | 123 | \r |
beda2356 | 124 | UninstallSecureBootConfigForm (PrivateData);\r |
125 | \r | |
126 | return EFI_SUCCESS;\r | |
127 | }\r |