]> git.proxmox.com Git - mirror_edk2.git/blame - UnixPkg/UnixAutoScanPei/UnixAutoScan.c
Port EdkUnixPkg to UnixPkg. The changes are listed as follows:
[mirror_edk2.git] / UnixPkg / UnixAutoScanPei / UnixAutoScan.c
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804405e7 1/*++\r
2\r
3Copyright (c) 2006 - 2008, Intel Corporation \r
4All rights reserved. This program and the accompanying materials \r
5are licensed and made available under the terms and conditions of the BSD License \r
6which accompanies this distribution. The full text of the license may be found at \r
7http://opensource.org/licenses/bsd-license.php \r
8 \r
9THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
10WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
11\r
12Module Name:\r
13 UnixAutoscan.c\r
14\r
15Abstract:\r
16 This PEIM to abstract memory auto-scan in an Unix environment.\r
17\r
18Revision 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
35EFI_STATUS\r
36EFIAPI\r
37PeimInitializeUnixAutoScan (\r
38 IN EFI_FFS_FILE_HEADER *FfsHeader,\r
39 IN EFI_PEI_SERVICES **PeiServices\r
40 )\r
41/*++\r
42\r
43Routine Description:\r
44 Perform a call-back into the SEC simulator to get a memory value\r
45\r
46Arguments:\r
47 FfsHeader - General purpose data available to every PEIM\r
48 PeiServices - General purpose services available to every PEIM.\r
49 \r
50Returns:\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
71 Status = (**PeiServices).LocatePpi (\r
72 PeiServices,\r
73 &gPeiUnixAutoScanPpiGuid, // GUID\r
74 0, // INSTANCE\r
75 &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r
76 (VOID **)&PeiUnixService // PPI\r
77 );\r
78 ASSERT_EFI_ERROR (Status);\r
79\r
80 //\r
81 // Get the Memory Test PPI\r
82 //\r
83 Status = (**PeiServices).LocatePpi (\r
84 PeiServices,\r
85 &gPeiBaseMemoryTestPpiGuid,\r
86 0,\r
87 NULL,\r
88 (VOID **)&MemoryTestPpi\r
89 );\r
90 ASSERT_EFI_ERROR (Status);\r
91\r
92 Index = 0;\r
93 do {\r
94 Status = PeiUnixService->UnixAutoScan (Index, &MemoryBase, &MemorySize);\r
95 if (!EFI_ERROR (Status)) {\r
96 Attributes =\r
97 (\r
98 EFI_RESOURCE_ATTRIBUTE_PRESENT |\r
99 EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r
100 EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r
101 EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r
102 EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r
103 EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r
104 );\r
105\r
106 if (Index == 0) {\r
107 //\r
108 // For the first area register it as PEI tested memory\r
109 //\r
110 Status = MemoryTestPpi->BaseMemoryTest (\r
111 PeiServices,\r
112 MemoryTestPpi,\r
113 MemoryBase,\r
114 MemorySize,\r
115 Quick,\r
116 &ErrorAddress\r
117 );\r
118 ASSERT_EFI_ERROR (Status);\r
119\r
120 //\r
121 // Register the "tested" memory with the PEI Core\r
122 //\r
123 Status = (**PeiServices).InstallPeiMemory (PeiServices, MemoryBase, MemorySize);\r
124 ASSERT_EFI_ERROR (Status);\r
125\r
126 Attributes |= EFI_RESOURCE_ATTRIBUTE_TESTED;\r
127 }\r
128 \r
129 BuildResourceDescriptorHob (\r
130 EFI_RESOURCE_SYSTEM_MEMORY,\r
131 Attributes,\r
132 MemoryBase,\r
133 MemorySize\r
134 );\r
135 }\r
136 Index++;\r
137 } while (!EFI_ERROR (Status));\r
138\r
139 //\r
140 // Build the CPU hob with 36-bit addressing and 16-bits of IO space.\r
141 //\r
142 BuildCpuHob (36, 16);\r
143 \r
144 return Status;\r
145}\r