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1 | /** @file\r |
2 | Implementation for PlatformBootManagerLib library class interfaces.\r | |
3 | \r | |
4 | Copyright (C) 2015-2016, Red Hat, Inc.\r | |
5 | Copyright (c) 2014 - 2019, ARM Ltd. All rights reserved.<BR>\r | |
6 | Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r | |
7 | Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>\r | |
8 | Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>\r | |
9 | \r | |
10 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
11 | \r | |
12 | **/\r | |
13 | \r | |
14 | #include <Uefi.h>\r | |
15 | \r | |
16 | #include <Guid/EventGroup.h>\r | |
17 | #include <Library/BaseLib.h>\r | |
18 | #include <Library/BaseMemoryLib.h>\r | |
19 | #include <Library/DebugLib.h>\r | |
20 | #include <Library/DevicePathLib.h>\r | |
21 | #include <Library/MemoryAllocationLib.h>\r | |
22 | #include <Library/PcdLib.h>\r | |
23 | #include <Library/UefiBootManagerLib.h>\r | |
24 | #include <Library/UefiBootServicesTableLib.h>\r | |
25 | #include <Library/UefiLib.h>\r | |
26 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
27 | #include <Protocol/LoadedImage.h>\r | |
28 | #include <Protocol/PlatformBootManager.h>\r | |
29 | \r | |
30 | /**\r | |
31 | Register a boot option using a file GUID in the FV.\r | |
32 | \r | |
33 | @param FileGuid The file GUID name in the FV.\r | |
34 | @param Description The description of the boot option.\r | |
35 | @param Attributes The attributes of the boot option.\r | |
36 | \r | |
37 | **/\r | |
38 | STATIC\r | |
39 | VOID\r | |
40 | PlatformRegisterFvBootOption (\r | |
41 | CONST EFI_GUID *FileGuid,\r | |
42 | CHAR16 *Description,\r | |
43 | UINT32 Attributes\r | |
44 | )\r | |
45 | {\r | |
46 | EFI_STATUS Status;\r | |
47 | INTN OptionIndex;\r | |
48 | EFI_BOOT_MANAGER_LOAD_OPTION NewOption;\r | |
49 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
50 | UINTN BootOptionCount;\r | |
51 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;\r | |
52 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
53 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
54 | \r | |
55 | Status = gBS->HandleProtocol (\r | |
56 | gImageHandle,\r | |
57 | &gEfiLoadedImageProtocolGuid,\r | |
58 | (VOID **)&LoadedImage\r | |
59 | );\r | |
60 | ASSERT_EFI_ERROR (Status);\r | |
61 | \r | |
62 | EfiInitializeFwVolDevicepathNode (&FileNode, FileGuid);\r | |
63 | DevicePath = DevicePathFromHandle (LoadedImage->DeviceHandle);\r | |
64 | ASSERT (DevicePath != NULL);\r | |
65 | DevicePath = AppendDevicePathNode (\r | |
66 | DevicePath,\r | |
67 | (EFI_DEVICE_PATH_PROTOCOL *)&FileNode\r | |
68 | );\r | |
69 | ASSERT (DevicePath != NULL);\r | |
70 | \r | |
71 | Status = EfiBootManagerInitializeLoadOption (\r | |
72 | &NewOption,\r | |
73 | LoadOptionNumberUnassigned,\r | |
74 | LoadOptionTypeBoot,\r | |
75 | Attributes,\r | |
76 | Description,\r | |
77 | DevicePath,\r | |
78 | NULL,\r | |
79 | 0\r | |
80 | );\r | |
81 | ASSERT_EFI_ERROR (Status);\r | |
82 | FreePool (DevicePath);\r | |
83 | \r | |
84 | BootOptions = EfiBootManagerGetLoadOptions (\r | |
85 | &BootOptionCount,\r | |
86 | LoadOptionTypeBoot\r | |
87 | );\r | |
88 | \r | |
89 | OptionIndex = EfiBootManagerFindLoadOption (\r | |
90 | &NewOption,\r | |
91 | BootOptions,\r | |
92 | BootOptionCount\r | |
93 | );\r | |
94 | \r | |
95 | if (OptionIndex == -1) {\r | |
96 | Status = EfiBootManagerAddLoadOptionVariable (&NewOption, MAX_UINTN);\r | |
97 | ASSERT_EFI_ERROR (Status);\r | |
98 | }\r | |
99 | EfiBootManagerFreeLoadOption (&NewOption);\r | |
100 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
101 | }\r | |
102 | \r | |
103 | /**\r | |
104 | Do the platform specific action before the console is connected.\r | |
105 | \r | |
106 | Such as:\r | |
107 | Update console variable;\r | |
108 | Register new Driver#### or Boot####;\r | |
109 | Signal ReadyToLock event.\r | |
110 | **/\r | |
111 | VOID\r | |
112 | EFIAPI\r | |
113 | PlatformBootManagerBeforeConsole (\r | |
114 | VOID\r | |
115 | )\r | |
116 | {\r | |
117 | //\r | |
118 | // Signal EndOfDxe PI Event\r | |
119 | //\r | |
120 | EfiEventGroupSignal (&gEfiEndOfDxeEventGroupGuid);\r | |
121 | }\r | |
122 | \r | |
123 | /**\r | |
124 | Do the platform specific action after the console is connected.\r | |
125 | \r | |
126 | Such as:\r | |
127 | Dynamically switch output mode;\r | |
128 | Signal console ready platform customized event;\r | |
129 | Run diagnostics like memory testing;\r | |
130 | Connect certain devices;\r | |
131 | Dispatch additional option roms.\r | |
132 | **/\r | |
133 | VOID\r | |
134 | EFIAPI\r | |
135 | PlatformBootManagerAfterConsole (\r | |
136 | VOID\r | |
137 | )\r | |
138 | {\r | |
139 | EFI_GUID LinuxBootFileGuid;\r | |
140 | \r | |
141 | CopyGuid (&LinuxBootFileGuid, PcdGetPtr (PcdLinuxBootFileGuid));\r | |
142 | \r | |
143 | if (!CompareGuid (&LinuxBootFileGuid, &gZeroGuid)) {\r | |
144 | //\r | |
145 | // Register LinuxBoot\r | |
146 | //\r | |
147 | PlatformRegisterFvBootOption (\r | |
148 | &LinuxBootFileGuid,\r | |
149 | L"LinuxBoot",\r | |
150 | LOAD_OPTION_ACTIVE\r | |
151 | );\r | |
152 | } else {\r | |
153 | DEBUG ((DEBUG_ERROR, "%a: PcdLinuxBootFileGuid was not set!\n", __FUNCTION__));\r | |
154 | }\r | |
155 | }\r | |
156 | \r | |
157 | /**\r | |
158 | This function is called each second during the boot manager waits the\r | |
159 | timeout.\r | |
160 | \r | |
161 | @param TimeoutRemain The remaining timeout.\r | |
162 | **/\r | |
163 | VOID\r | |
164 | EFIAPI\r | |
165 | PlatformBootManagerWaitCallback (\r | |
166 | UINT16 TimeoutRemain\r | |
167 | )\r | |
168 | {\r | |
169 | return;\r | |
170 | }\r | |
171 | \r | |
172 | /**\r | |
173 | The function is called when no boot option could be launched,\r | |
174 | including platform recovery options and options pointing to applications\r | |
175 | built into firmware volumes.\r | |
176 | \r | |
177 | If this function returns, BDS attempts to enter an infinite loop.\r | |
178 | **/\r | |
179 | VOID\r | |
180 | EFIAPI\r | |
181 | PlatformBootManagerUnableToBoot (\r | |
182 | VOID\r | |
183 | )\r | |
184 | {\r | |
185 | return;\r | |
186 | }\r |