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cf1d4549 JY |
1 | /** @file\r |
2 | Source file for FSP notify phase PEI module\r | |
3 | \r | |
4 | Copyright (c) 2016, Intel Corporation. All rights reserved.\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php.\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | **/\r | |
13 | \r | |
14 | #include "FspNotifyPhasePeim.h"\r | |
15 | \r | |
16 | /**\r | |
17 | \r | |
18 | This function waits for FSP notify.\r | |
19 | \r | |
20 | @param This Entry point for DXE IPL PPI.\r | |
21 | @param PeiServices General purpose services available to every PEIM.\r | |
22 | @param HobList Address to the Pei HOB list.\r | |
23 | \r | |
24 | @return EFI_SUCCESS This function never returns.\r | |
25 | \r | |
26 | **/\r | |
27 | EFI_STATUS\r | |
28 | EFIAPI\r | |
29 | WaitForNotify (\r | |
30 | IN CONST EFI_DXE_IPL_PPI *This,\r | |
31 | IN EFI_PEI_SERVICES **PeiServices,\r | |
32 | IN EFI_PEI_HOB_POINTERS HobList\r | |
33 | );\r | |
34 | \r | |
35 | CONST EFI_DXE_IPL_PPI mDxeIplPpi = {\r | |
36 | WaitForNotify\r | |
37 | };\r | |
38 | \r | |
39 | CONST EFI_PEI_PPI_DESCRIPTOR mInstallDxeIplPpi = {\r | |
40 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r | |
41 | &gEfiDxeIplPpiGuid,\r | |
42 | (VOID *) &mDxeIplPpi\r | |
43 | };\r | |
44 | \r | |
45 | CONST EFI_PEI_PPI_DESCRIPTOR gEndOfPeiSignalPpi = {\r | |
46 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
47 | &gEfiEndOfPeiSignalPpiGuid,\r | |
48 | NULL\r | |
49 | };\r | |
50 | \r | |
51 | /**\r | |
52 | \r | |
53 | This function waits for FSP notify.\r | |
54 | \r | |
55 | @param This Entry point for DXE IPL PPI.\r | |
56 | @param PeiServices General purpose services available to every PEIM.\r | |
57 | @param HobList Address to the Pei HOB list.\r | |
58 | \r | |
59 | @return EFI_SUCCESS This function never returns.\r | |
60 | \r | |
61 | **/\r | |
62 | EFI_STATUS\r | |
63 | EFIAPI\r | |
64 | WaitForNotify (\r | |
65 | IN CONST EFI_DXE_IPL_PPI *This,\r | |
66 | IN EFI_PEI_SERVICES **PeiServices,\r | |
67 | IN EFI_PEI_HOB_POINTERS HobList\r | |
68 | )\r | |
69 | {\r | |
70 | EFI_STATUS Status;\r | |
71 | \r | |
72 | DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP HOB is located at 0x%08X\n", HobList));\r | |
73 | \r | |
74 | //\r | |
75 | // End of PEI phase signal\r | |
76 | //\r | |
77 | Status = PeiServicesInstallPpi (&gEndOfPeiSignalPpi);\r | |
78 | ASSERT_EFI_ERROR (Status);\r | |
79 | \r | |
80 | //\r | |
81 | // Give control back to BootLoader after FspSiliconInit\r | |
82 | //\r | |
83 | DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP is waiting for NOTIFY\n"));\r | |
0e3f9ee1 | 84 | FspSiliconInitDone2 (EFI_SUCCESS);\r |
cf1d4549 JY |
85 | \r |
86 | //\r | |
87 | // BootLoader called FSP again through NotifyPhase\r | |
88 | //\r | |
89 | FspWaitForNotify ();\r | |
90 | \r | |
91 | //\r | |
92 | // Should not come here\r | |
93 | //\r | |
94 | while (TRUE) {\r | |
95 | DEBUG ((DEBUG_ERROR, "No FSP API should be called after FSP is DONE!\n"));\r | |
96 | SetFspApiReturnStatus (EFI_UNSUPPORTED);\r | |
97 | Pei2LoaderSwitchStack ();\r | |
98 | }\r | |
99 | \r | |
100 | return EFI_SUCCESS;\r | |
101 | }\r | |
102 | \r | |
103 | /**\r | |
104 | FSP notify phase PEI module entry point\r | |
105 | \r | |
106 | @param[in] FileHandle Not used.\r | |
107 | @param[in] PeiServices General purpose services available to every PEIM.\r | |
108 | \r | |
109 | @retval EFI_SUCCESS The function completes successfully\r | |
110 | @retval EFI_OUT_OF_RESOURCES Insufficient resources to create database\r | |
111 | **/\r | |
112 | EFI_STATUS\r | |
113 | FspNotifyPhasePeimEntryPoint (\r | |
114 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
115 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
116 | )\r | |
117 | {\r | |
118 | EFI_STATUS Status;\r | |
119 | VOID *OldDxeIplPpi;\r | |
120 | EFI_PEI_PPI_DESCRIPTOR *OldDescriptor;\r | |
121 | \r | |
122 | DEBUG ((DEBUG_INFO | DEBUG_INIT, "The entry of FspNotificationPeim\n"));\r | |
123 | \r | |
124 | //\r | |
125 | // Locate old DXE IPL PPI\r | |
126 | //\r | |
127 | Status = PeiServicesLocatePpi (\r | |
128 | &gEfiDxeIplPpiGuid,\r | |
129 | 0,\r | |
130 | &OldDescriptor,\r | |
131 | &OldDxeIplPpi\r | |
132 | );\r | |
133 | ASSERT_EFI_ERROR (Status);\r | |
134 | \r | |
135 | //\r | |
136 | // Re-install the DXE IPL PPI to wait for notify\r | |
137 | //\r | |
138 | Status = PeiServicesReInstallPpi (OldDescriptor, &mInstallDxeIplPpi);\r | |
139 | ASSERT_EFI_ERROR (Status);\r | |
140 | \r | |
141 | return EFI_SUCCESS;\r | |
142 | }\r |