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949f388f | 1 | /*++ @file\r |
2 | \r | |
54ee6176 | 3 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
949f388f | 4 | Portions copyright (c) 2011, Apple Inc. All rights reserved.\r |
e3ba31da | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
949f388f | 6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "PiPei.h"\r | |
10 | #include <Ppi/EmuThunk.h>\r | |
11 | #include <Ppi/MemoryDiscovered.h>\r | |
12 | \r | |
13 | #include <Library/DebugLib.h>\r | |
14 | #include <Library/PeimEntryPoint.h>\r | |
15 | #include <Library/BaseLib.h>\r | |
16 | #include <Library/BaseMemoryLib.h>\r | |
17 | #include <Library/HobLib.h>\r | |
18 | #include <Library/PeiServicesLib.h>\r | |
19 | #include <Library/PeiServicesTablePointerLib.h>\r | |
20 | \r | |
21 | EFI_STATUS\r | |
22 | EFIAPI\r | |
23 | PeimInitializeAutoScanPei (\r | |
24 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
25 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
26 | )\r | |
27 | /*++\r | |
28 | \r | |
29 | Routine Description:\r | |
30 | Perform a call-back into the SEC simulator to get a memory value\r | |
31 | \r | |
32 | Arguments:\r | |
33 | FfsHeader - General purpose data available to every PEIM\r | |
34 | PeiServices - General purpose services available to every PEIM.\r | |
d18d8a1d | 35 | \r |
949f388f | 36 | Returns:\r |
37 | None\r | |
38 | \r | |
39 | **/\r | |
40 | {\r | |
41 | EFI_STATUS Status;\r | |
42 | EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r | |
43 | EMU_THUNK_PPI *Thunk;\r | |
44 | UINT64 MemorySize;\r | |
45 | EFI_PHYSICAL_ADDRESS MemoryBase;\r | |
46 | UINTN Index;\r | |
47 | EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;\r | |
48 | \r | |
49 | \r | |
50 | DEBUG ((EFI_D_ERROR, "Emu Autoscan PEIM Loaded\n"));\r | |
51 | \r | |
52 | //\r | |
53 | // Get the PEI UNIX Autoscan PPI\r | |
54 | //\r | |
55 | Status = PeiServicesLocatePpi (\r | |
56 | &gEmuThunkPpiGuid, // GUID\r | |
57 | 0, // INSTANCE\r | |
58 | &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r | |
59 | (VOID **)&Thunk // PPI\r | |
60 | );\r | |
61 | ASSERT_EFI_ERROR (Status);\r | |
62 | \r | |
63 | Index = 0;\r | |
64 | do {\r | |
65 | Status = Thunk->MemoryAutoScan (Index, &MemoryBase, &MemorySize);\r | |
66 | if (!EFI_ERROR (Status)) {\r | |
67 | Attributes =\r | |
68 | (\r | |
69 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
70 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
71 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
72 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
73 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
74 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r | |
75 | );\r | |
76 | \r | |
77 | if (Index == 0) {\r | |
78 | //\r | |
79 | // Register the memory with the PEI Core\r | |
80 | //\r | |
81 | Status = PeiServicesInstallPeiMemory (MemoryBase, MemorySize);\r | |
82 | ASSERT_EFI_ERROR (Status);\r | |
83 | \r | |
84 | Attributes |= EFI_RESOURCE_ATTRIBUTE_TESTED;\r | |
85 | }\r | |
d18d8a1d | 86 | \r |
949f388f | 87 | BuildResourceDescriptorHob (\r |
88 | EFI_RESOURCE_SYSTEM_MEMORY,\r | |
89 | Attributes,\r | |
90 | MemoryBase,\r | |
91 | MemorySize\r | |
92 | );\r | |
93 | }\r | |
94 | Index++;\r | |
95 | } while (!EFI_ERROR (Status));\r | |
96 | \r | |
97 | //\r | |
54ee6176 | 98 | // Build the CPU hob with 57-bit addressing and 16-bits of IO space.\r |
949f388f | 99 | //\r |
54ee6176 | 100 | BuildCpuHob (57, 16);\r |
d18d8a1d | 101 | \r |
949f388f | 102 | return Status;\r |
103 | }\r |