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804405e7 | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006 - 2008, Intel Corporation \r | |
4 | All rights reserved. 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 | Module Name:\r | |
13 | UnixAutoscan.c\r | |
14 | \r | |
15 | Abstract:\r | |
16 | This PEIM to abstract memory auto-scan in an Unix environment.\r | |
17 | \r | |
18 | Revision History\r | |
19 | \r | |
20 | --*/\r | |
21 | \r | |
22 | #include "PiPei.h"\r | |
23 | #include <Ppi/UnixAutoScan.h>\r | |
24 | #include <Ppi/BaseMemoryTest.h>\r | |
25 | #include <Ppi/MemoryDiscovered.h>\r | |
26 | \r | |
27 | #include <Library/DebugLib.h>\r | |
28 | #include <Library/PeimEntryPoint.h>\r | |
29 | #include <Library/BaseLib.h>\r | |
30 | #include <Library/BaseMemoryLib.h>\r | |
31 | #include <Library/HobLib.h>\r | |
32 | #include <Library/PeiServicesLib.h>\r | |
33 | #include <Library/PeiServicesTablePointerLib.h>\r | |
34 | \r | |
35 | EFI_STATUS\r | |
36 | EFIAPI\r | |
37 | PeimInitializeUnixAutoScan (\r | |
cef5294b | 38 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
39 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
804405e7 | 40 | )\r |
41 | /*++\r | |
42 | \r | |
43 | Routine Description:\r | |
44 | Perform a call-back into the SEC simulator to get a memory value\r | |
45 | \r | |
46 | Arguments:\r | |
47 | FfsHeader - General purpose data available to every PEIM\r | |
48 | PeiServices - General purpose services available to every PEIM.\r | |
49 | \r | |
50 | Returns:\r | |
51 | None\r | |
52 | \r | |
53 | --*/\r | |
54 | {\r | |
55 | EFI_STATUS Status;\r | |
56 | EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r | |
57 | PEI_UNIX_AUTOSCAN_PPI *PeiUnixService;\r | |
58 | UINT64 MemorySize;\r | |
59 | EFI_PHYSICAL_ADDRESS MemoryBase;\r | |
60 | PEI_BASE_MEMORY_TEST_PPI *MemoryTestPpi;\r | |
61 | EFI_PHYSICAL_ADDRESS ErrorAddress;\r | |
62 | UINTN Index;\r | |
63 | EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;\r | |
64 | \r | |
65 | \r | |
66 | DEBUG ((EFI_D_ERROR, "Unix Autoscan PEIM Loaded\n"));\r | |
67 | \r | |
68 | //\r | |
69 | // Get the PEI UNIX Autoscan PPI\r | |
70 | //\r | |
de13f245 | 71 | Status = PeiServicesLocatePpi (\r |
72 | &gPeiUnixAutoScanPpiGuid, // GUID\r | |
73 | 0, // INSTANCE\r | |
74 | &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r | |
75 | (VOID **)&PeiUnixService // PPI\r | |
76 | );\r | |
804405e7 | 77 | ASSERT_EFI_ERROR (Status);\r |
78 | \r | |
79 | //\r | |
80 | // Get the Memory Test PPI\r | |
81 | //\r | |
de13f245 | 82 | Status = PeiServicesLocatePpi (\r |
83 | &gPeiBaseMemoryTestPpiGuid,\r | |
84 | 0,\r | |
85 | NULL,\r | |
86 | (VOID**)&MemoryTestPpi\r | |
87 | );\r | |
804405e7 | 88 | ASSERT_EFI_ERROR (Status);\r |
89 | \r | |
90 | Index = 0;\r | |
91 | do {\r | |
92 | Status = PeiUnixService->UnixAutoScan (Index, &MemoryBase, &MemorySize);\r | |
93 | if (!EFI_ERROR (Status)) {\r | |
94 | Attributes =\r | |
95 | (\r | |
96 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
97 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
98 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
99 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
100 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
101 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r | |
102 | );\r | |
103 | \r | |
104 | if (Index == 0) {\r | |
105 | //\r | |
106 | // For the first area register it as PEI tested memory\r | |
107 | //\r | |
108 | Status = MemoryTestPpi->BaseMemoryTest (\r | |
2f17ffce | 109 | (EFI_PEI_SERVICES **) PeiServices,\r |
804405e7 | 110 | MemoryTestPpi,\r |
111 | MemoryBase,\r | |
112 | MemorySize,\r | |
113 | Quick,\r | |
114 | &ErrorAddress\r | |
115 | );\r | |
116 | ASSERT_EFI_ERROR (Status);\r | |
117 | \r | |
118 | //\r | |
119 | // Register the "tested" memory with the PEI Core\r | |
120 | //\r | |
de13f245 | 121 | Status = PeiServicesInstallPeiMemory (MemoryBase, MemorySize);\r |
804405e7 | 122 | ASSERT_EFI_ERROR (Status);\r |
123 | \r | |
124 | Attributes |= EFI_RESOURCE_ATTRIBUTE_TESTED;\r | |
125 | }\r | |
126 | \r | |
127 | BuildResourceDescriptorHob (\r | |
128 | EFI_RESOURCE_SYSTEM_MEMORY,\r | |
129 | Attributes,\r | |
130 | MemoryBase,\r | |
131 | MemorySize\r | |
132 | );\r | |
133 | }\r | |
134 | Index++;\r | |
135 | } while (!EFI_ERROR (Status));\r | |
136 | \r | |
137 | //\r | |
138 | // Build the CPU hob with 36-bit addressing and 16-bits of IO space.\r | |
139 | //\r | |
140 | BuildCpuHob (36, 16);\r | |
141 | \r | |
142 | return Status;\r | |
143 | }\r |