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1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php.\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | **/\r | |
13 | \r | |
14 | #ifndef __PEI_DXEIPL_H__\r | |
15 | #define __PEI_DXEIPL_H__\r | |
16 | \r | |
17 | #include <PiPei.h>\r | |
18 | #include <Ppi/DxeIpl.h>\r | |
19 | #include <Ppi/EndOfPeiPhase.h>\r | |
20 | #include <Ppi/MemoryDiscovered.h>\r | |
21 | #include <Ppi/Decompress.h>\r | |
22 | #include <Ppi/FirmwareVolumeInfo.h>\r | |
23 | #include <Ppi/GuidedSectionExtraction.h>\r | |
24 | \r | |
25 | #include <Library/DebugLib.h>\r | |
26 | #include <Library/PeimEntryPoint.h>\r | |
27 | #include <Library/BaseLib.h>\r | |
28 | #include <Library/HobLib.h>\r | |
29 | #include <Library/PeiServicesLib.h>\r | |
30 | #include <Library/ReportStatusCodeLib.h>\r | |
31 | #include <Library/UefiDecompressLib.h>\r | |
32 | #include <Library/ExtractGuidedSectionLib.h>\r | |
33 | #include <Library/BaseMemoryLib.h>\r | |
34 | #include <Library/MemoryAllocationLib.h>\r | |
35 | #include <Library/PcdLib.h>\r | |
36 | #include <Library/FspSwitchStackLib.h>\r | |
37 | #include <Library/FspCommonLib.h>\r | |
38 | #include <Library/FspPlatformLib.h>\r | |
39 | \r | |
40 | /**\r | |
41 | Main entry point to last PEIM.\r | |
42 | \r | |
43 | This function finds DXE Core in the firmware volume and transfer the control to\r | |
44 | DXE core.\r | |
45 | \r | |
46 | @param[in] This Entry point for DXE IPL PPI.\r | |
47 | @param[in] PeiServices General purpose services available to every PEIM.\r | |
48 | @param[in] HobList Address to the Pei HOB list.\r | |
49 | \r | |
50 | @return EFI_SUCCESS DXE core was successfully loaded.\r | |
51 | @return EFI_OUT_OF_RESOURCES There are not enough resources to load DXE core.\r | |
52 | \r | |
53 | **/\r | |
54 | EFI_STATUS\r | |
55 | EFIAPI\r | |
56 | DxeLoadCore (\r | |
57 | IN CONST EFI_DXE_IPL_PPI *This,\r | |
58 | IN EFI_PEI_SERVICES **PeiServices,\r | |
59 | IN EFI_PEI_HOB_POINTERS HobList\r | |
60 | );\r | |
61 | \r | |
62 | \r | |
63 | \r | |
64 | /**\r | |
65 | Transfers control to DxeCore.\r | |
66 | \r | |
67 | This function performs a CPU architecture specific operations to execute\r | |
68 | the entry point of DxeCore with the parameters of HobList.\r | |
69 | It also installs EFI_END_OF_PEI_PPI to signal the end of PEI phase.\r | |
70 | \r | |
71 | @param[in] DxeCoreEntryPoint The entry point of DxeCore.\r | |
72 | @param[in] HobList The start of HobList passed to DxeCore.\r | |
73 | \r | |
74 | **/\r | |
75 | VOID\r | |
76 | HandOffToDxeCore (\r | |
77 | IN EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint,\r | |
78 | IN EFI_PEI_HOB_POINTERS HobList\r | |
79 | );\r | |
80 | \r | |
81 | \r | |
82 | \r | |
83 | /**\r | |
84 | Updates the Stack HOB passed to DXE phase.\r | |
85 | \r | |
86 | This function traverses the whole HOB list and update the stack HOB to\r | |
87 | reflect the real stack that is used by DXE core.\r | |
88 | \r | |
89 | @param[in] BaseAddress The lower address of stack used by DxeCore.\r | |
90 | @param[in] Length The length of stack used by DxeCore.\r | |
91 | \r | |
92 | **/\r | |
93 | VOID\r | |
94 | UpdateStackHob (\r | |
95 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
96 | IN UINT64 Length\r | |
97 | );\r | |
98 | \r | |
99 | /**\r | |
100 | The ExtractSection() function processes the input section and\r | |
101 | returns a pointer to the section contents. If the section being\r | |
102 | extracted does not require processing (if the section\r | |
103 | GuidedSectionHeader.Attributes has the\r | |
104 | EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r | |
105 | OutputBuffer is just updated to point to the start of the\r | |
106 | section's contents. Otherwise, *Buffer must be allocated\r | |
107 | from PEI permanent memory.\r | |
108 | \r | |
109 | @param[in] This Indicates the\r | |
110 | EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r | |
111 | Buffer containing the input GUIDed section to be\r | |
112 | processed. OutputBuffer OutputBuffer is\r | |
113 | allocated from PEI permanent memory and contains\r | |
114 | the new section stream.\r | |
115 | @param[in] InputSection A pointer to the input buffer, which contains\r | |
116 | the input section to be processed.\r | |
117 | @param[out] OutputBuffer A pointer to a caller-allocated buffer, whose\r | |
118 | size is specified by the contents of OutputSize.\r | |
119 | @param[out] OutputSize A pointer to a caller-allocated\r | |
120 | UINTN in which the size of *OutputBuffer\r | |
121 | allocation is stored. If the function\r | |
122 | returns anything other than EFI_SUCCESS,\r | |
123 | the value of OutputSize is undefined.\r | |
124 | @param[out] AuthenticationStatus A pointer to a caller-allocated\r | |
125 | UINT32 that indicates the\r | |
126 | authentication status of the\r | |
127 | output buffer. If the input\r | |
128 | section's GuidedSectionHeader.\r | |
129 | Attributes field has the\r | |
130 | EFI_GUIDED_SECTION_AUTH_STATUS_VALID\r | |
131 | bit as clear,\r | |
132 | AuthenticationStatus must return\r | |
133 | zero. These bits reflect the\r | |
134 | status of the extraction\r | |
135 | operation. If the function\r | |
136 | returns anything other than\r | |
137 | EFI_SUCCESS, the value of\r | |
138 | AuthenticationStatus is\r | |
139 | undefined.\r | |
140 | \r | |
141 | @retval EFI_SUCCESS The InputSection was\r | |
142 | successfully processed and the\r | |
143 | section contents were returned.\r | |
144 | \r | |
145 | @retval EFI_OUT_OF_RESOURCES The system has insufficient\r | |
146 | resources to process the request.\r | |
147 | \r | |
148 | @retval EFI_INVALID_PARAMETER The GUID in InputSection does\r | |
149 | not match this instance of the\r | |
150 | GUIDed Section Extraction PPI.\r | |
151 | \r | |
152 | **/\r | |
153 | EFI_STATUS\r | |
154 | EFIAPI\r | |
155 | CustomGuidedSectionExtract (\r | |
156 | IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r | |
157 | IN CONST VOID *InputSection,\r | |
158 | OUT VOID **OutputBuffer,\r | |
159 | OUT UINTN *OutputSize,\r | |
160 | OUT UINT32 *AuthenticationStatus\r | |
161 | );\r | |
162 | \r | |
163 | /**\r | |
164 | Decompresses a section to the output buffer.\r | |
165 | \r | |
166 | This function looks up the compression type field in the input section and\r | |
167 | applies the appropriate compression algorithm to compress the section to a\r | |
168 | callee allocated buffer.\r | |
169 | \r | |
170 | @param[in] This Points to this instance of the\r | |
171 | EFI_PEI_DECOMPRESS_PEI PPI.\r | |
172 | @param[in] CompressionSection Points to the compressed section.\r | |
173 | @param[out] OutputBuffer Holds the returned pointer to the decompressed\r | |
174 | sections.\r | |
175 | @param[out] OutputSize Holds the returned size of the decompress\r | |
176 | section streams.\r | |
177 | \r | |
178 | @retval EFI_SUCCESS The section was decompressed successfully.\r | |
179 | OutputBuffer contains the resulting data and\r | |
180 | OutputSize contains the resulting size.\r | |
181 | \r | |
182 | **/\r | |
183 | EFI_STATUS\r | |
184 | EFIAPI\r | |
185 | Decompress (\r | |
186 | IN CONST EFI_PEI_DECOMPRESS_PPI *This,\r | |
187 | IN CONST EFI_COMPRESSION_SECTION *CompressionSection,\r | |
188 | OUT VOID **OutputBuffer,\r | |
189 | OUT UINTN *OutputSize\r | |
190 | );\r | |
191 | \r | |
192 | #endif\r |