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e386b444 1/** @file\r
2 Entry point to a the PEI Core.\r
3\r
c7d265a9 4Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
e386b444 5All rights reserved. This program and the accompanying materials\r
6are licensed and made available under the terms and conditions of the BSD License\r
7which accompanies this distribution. The full text of the license may be found at\r
8http://opensource.org/licenses/bsd-license.php\r
9\r
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
c892d846 15\r
c7d265a9 16#include <PiPei.h>\r
c892d846 17\r
c7d265a9 18//\r
19// The Library classes this module produced\r
20//\r
21#include <Library/PeiCoreEntryPoint.h>\r
d00afc4e 22#include <Library/BaseLib.h>\r
f2084bda 23#include <Library/DebugLib.h>\r
e386b444 24\r
25/**\r
71871514 26 The entry point of PE/COFF Image for the PEI Core.\r
c7d265a9 27\r
71871514 28 This function is the entry point for the PEI Foundation, which allows the SEC phase\r
29 to pass information about the stack, temporary RAM and the Boot Firmware Volume.\r
30 In addition, it also allows the SEC phase to pass services and data forward for use\r
31 during the PEI phase in the form of one or more PPIs.\r
32 There is no limit to the number of additional PPIs that can be passed from SEC into\r
33 the PEI Foundation. As part of its initialization phase, the PEI Foundation will add\r
34 these SEC-hosted PPIs to its PPI database such that both the PEI Foundation and any\r
35 modules can leverage the associated service calls and/or code in these early PPIs.\r
36 This function is required to call ProcessModuleEntryPointList() with the Context\r
37 parameter set to NULL. ProcessModuleEntryPoint() is never expected to return.\r
38 The PEI Core is responsible for calling ProcessLibraryConstructorList() as soon as\r
39 the PEI Services Table and the file handle for the PEI Core itself have been established.\r
40 If ProcessModuleEntryPointList() returns, then ASSERT() and halt the system.\r
41\r
42 @param SecCoreData Points to a data structure containing information about the PEI\r
43 core's operating environment, such as the size and location of\r
44 temporary RAM, the stack location and the BFV location. \r
45\r
46 @param PpiList Points to a list of one or more PPI descriptors to be installed\r
47 initially by the PEI core. An empty PPI list consists of a single\r
48 descriptor with the end-tag EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST.\r
49 As part of its initialization phase, the PEI Foundation will add\r
50 these SEC-hosted PPIs to its PPI database such that both the PEI\r
51 Foundation and any modules can leverage the associated service calls\r
52 and/or code in these early PPIs.\r
e386b444 53\r
54**/\r
c7d265a9 55VOID\r
56EFIAPI \r
57_ModuleEntryPoint(\r
58 IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r
59 IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList\r
60)\r
e386b444 61{\r
c7d265a9 62 ProcessModuleEntryPointList (SecCoreData, PpiList, NULL);\r
f2084bda 63 \r
64 //\r
65 // Should never return\r
66 //\r
67 ASSERT(FALSE);\r
68 CpuDeadLoop (); \r
e386b444 69}\r
70\r
71\r
72/**\r
71871514 73 Required by the EBC compiler and identical in functionality to _ModuleEntryPoint().\r
74\r
75 This function is required to call _ModuleEntryPoint() passing in SecCoreData and PpiList.\r
76\r
77 @param SecCoreData Points to a data structure containing information about the PEI core's\r
78 operating environment, such as the size and location of temporary RAM,\r
79 the stack location and the BFV location. \r
80\r
81 @param PpiList Points to a list of one or more PPI descriptors to be installed\r
82 initially by the PEI core. An empty PPI list consists of a single\r
83 descriptor with the end-tag EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST.\r
84 As part of its initialization phase, the PEI Foundation will add these\r
85 SEC-hosted PPIs to its PPI database such that both the PEI Foundation\r
86 and any modules can leverage the associated service calls and/or code\r
87 in these early PPIs.\r
e386b444 88\r
89**/\r
c7d265a9 90VOID\r
91EFIAPI\r
e386b444 92EfiMain (\r
c7d265a9 93 IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r
94 IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList\r
e386b444 95 )\r
96{\r
c7d265a9 97 _ModuleEntryPoint (SecCoreData, PpiList);\r
e386b444 98}\r