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1/** @file\r
2\r
3 Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r
16a16ea6 4 SPDX-License-Identifier: BSD-2-Clause-Patent\r
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5\r
6**/\r
7\r
8#ifndef __PEI_DXEIPL_H__\r
9#define __PEI_DXEIPL_H__\r
10\r
11#include <PiPei.h>\r
12#include <Ppi/DxeIpl.h>\r
13#include <Ppi/EndOfPeiPhase.h>\r
14#include <Ppi/MemoryDiscovered.h>\r
15#include <Ppi/Decompress.h>\r
16#include <Ppi/FirmwareVolumeInfo.h>\r
17#include <Ppi/GuidedSectionExtraction.h>\r
18\r
19#include <Library/DebugLib.h>\r
20#include <Library/PeimEntryPoint.h>\r
21#include <Library/BaseLib.h>\r
22#include <Library/HobLib.h>\r
23#include <Library/PeiServicesLib.h>\r
24#include <Library/ReportStatusCodeLib.h>\r
25#include <Library/UefiDecompressLib.h>\r
26#include <Library/ExtractGuidedSectionLib.h>\r
27#include <Library/BaseMemoryLib.h>\r
28#include <Library/MemoryAllocationLib.h>\r
29#include <Library/PcdLib.h>\r
30#include <Library/FspSwitchStackLib.h>\r
31#include <Library/FspCommonLib.h>\r
32#include <Library/FspPlatformLib.h>\r
33\r
34/**\r
35 Main entry point to last PEIM.\r
36\r
37 This function finds DXE Core in the firmware volume and transfer the control to\r
38 DXE core.\r
39\r
40 @param[in] This Entry point for DXE IPL PPI.\r
41 @param[in] PeiServices General purpose services available to every PEIM.\r
42 @param[in] HobList Address to the Pei HOB list.\r
43\r
44 @return EFI_SUCCESS DXE core was successfully loaded.\r
45 @return EFI_OUT_OF_RESOURCES There are not enough resources to load DXE core.\r
46\r
47**/\r
48EFI_STATUS\r
49EFIAPI\r
50DxeLoadCore (\r
51 IN CONST EFI_DXE_IPL_PPI *This,\r
52 IN EFI_PEI_SERVICES **PeiServices,\r
53 IN EFI_PEI_HOB_POINTERS HobList\r
54 );\r
55\r
56\r
57\r
58/**\r
59 Transfers control to DxeCore.\r
60\r
61 This function performs a CPU architecture specific operations to execute\r
62 the entry point of DxeCore with the parameters of HobList.\r
63 It also installs EFI_END_OF_PEI_PPI to signal the end of PEI phase.\r
64\r
65 @param[in] DxeCoreEntryPoint The entry point of DxeCore.\r
66 @param[in] HobList The start of HobList passed to DxeCore.\r
67\r
68**/\r
69VOID\r
70HandOffToDxeCore (\r
71 IN EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint,\r
72 IN EFI_PEI_HOB_POINTERS HobList\r
73 );\r
74\r
75\r
76\r
77/**\r
78 Updates the Stack HOB passed to DXE phase.\r
79\r
80 This function traverses the whole HOB list and update the stack HOB to\r
81 reflect the real stack that is used by DXE core.\r
82\r
83 @param[in] BaseAddress The lower address of stack used by DxeCore.\r
84 @param[in] Length The length of stack used by DxeCore.\r
85\r
86**/\r
87VOID\r
88UpdateStackHob (\r
89 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
90 IN UINT64 Length\r
91 );\r
92\r
93/**\r
94 The ExtractSection() function processes the input section and\r
95 returns a pointer to the section contents. If the section being\r
96 extracted does not require processing (if the section\r
97 GuidedSectionHeader.Attributes has the\r
98 EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r
99 OutputBuffer is just updated to point to the start of the\r
100 section's contents. Otherwise, *Buffer must be allocated\r
101 from PEI permanent memory.\r
102\r
103 @param[in] This Indicates the\r
104 EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r
105 Buffer containing the input GUIDed section to be\r
106 processed. OutputBuffer OutputBuffer is\r
107 allocated from PEI permanent memory and contains\r
108 the new section stream.\r
109 @param[in] InputSection A pointer to the input buffer, which contains\r
110 the input section to be processed.\r
111 @param[out] OutputBuffer A pointer to a caller-allocated buffer, whose\r
112 size is specified by the contents of OutputSize.\r
113 @param[out] OutputSize A pointer to a caller-allocated\r
114 UINTN in which the size of *OutputBuffer\r
115 allocation is stored. If the function\r
116 returns anything other than EFI_SUCCESS,\r
117 the value of OutputSize is undefined.\r
118 @param[out] AuthenticationStatus A pointer to a caller-allocated\r
119 UINT32 that indicates the\r
120 authentication status of the\r
121 output buffer. If the input\r
122 section's GuidedSectionHeader.\r
123 Attributes field has the\r
124 EFI_GUIDED_SECTION_AUTH_STATUS_VALID\r
125 bit as clear,\r
126 AuthenticationStatus must return\r
127 zero. These bits reflect the\r
128 status of the extraction\r
129 operation. If the function\r
130 returns anything other than\r
131 EFI_SUCCESS, the value of\r
132 AuthenticationStatus is\r
133 undefined.\r
134\r
135 @retval EFI_SUCCESS The InputSection was\r
136 successfully processed and the\r
137 section contents were returned.\r
138\r
139 @retval EFI_OUT_OF_RESOURCES The system has insufficient\r
140 resources to process the request.\r
141\r
142 @retval EFI_INVALID_PARAMETER The GUID in InputSection does\r
143 not match this instance of the\r
144 GUIDed Section Extraction PPI.\r
145\r
146**/\r
147EFI_STATUS\r
148EFIAPI\r
149CustomGuidedSectionExtract (\r
150 IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r
151 IN CONST VOID *InputSection,\r
152 OUT VOID **OutputBuffer,\r
153 OUT UINTN *OutputSize,\r
154 OUT UINT32 *AuthenticationStatus\r
155 );\r
156\r
157/**\r
158 Decompresses a section to the output buffer.\r
159\r
160 This function looks up the compression type field in the input section and\r
161 applies the appropriate compression algorithm to compress the section to a\r
162 callee allocated buffer.\r
163\r
164 @param[in] This Points to this instance of the\r
165 EFI_PEI_DECOMPRESS_PEI PPI.\r
166 @param[in] CompressionSection Points to the compressed section.\r
167 @param[out] OutputBuffer Holds the returned pointer to the decompressed\r
168 sections.\r
169 @param[out] OutputSize Holds the returned size of the decompress\r
170 section streams.\r
171\r
172 @retval EFI_SUCCESS The section was decompressed successfully.\r
173 OutputBuffer contains the resulting data and\r
174 OutputSize contains the resulting size.\r
175\r
176**/\r
177EFI_STATUS\r
178EFIAPI\r
179Decompress (\r
180 IN CONST EFI_PEI_DECOMPRESS_PPI *This,\r
181 IN CONST EFI_COMPRESSION_SECTION *CompressionSection,\r
182 OUT VOID **OutputBuffer,\r
183 OUT UINTN *OutputSize\r
184 );\r
185\r
186#endif\r