Add MonotonicCounter driver, which produces MonotonicCounter arch protocols
[mirror_edk2.git] / MdeModulePkg / Universal / BaseMemoryTestPei / BaseMemoryTest.c
CommitLineData
ce2f5557 1/*++\r
2\r
3Copyright (c) 2006 - 2007, 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\r
14 BaseMemoryTest.c\r
15 \r
16Abstract:\r
17 \r
18 The PEI memory test support\r
19\r
20--*/\r
21\r
ce2f5557 22#include <BaseMemoryTest.h>\r
23\r
24static PEI_BASE_MEMORY_TEST_PPI mPeiBaseMemoryTestPpi = { BaseMemoryTest };\r
25\r
26static EFI_PEI_PPI_DESCRIPTOR PpiListPeiBaseMemoryTest = {\r
27 (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
28 &gPeiBaseMemoryTestPpiGuid,\r
29 &mPeiBaseMemoryTestPpi\r
30};\r
31\r
32EFI_STATUS\r
33EFIAPI\r
34PeiBaseMemoryTestInit (\r
35 IN EFI_FFS_FILE_HEADER *FfsHeader,\r
36 IN EFI_PEI_SERVICES **PeiServices\r
37 )\r
38/*++\r
39Description:\r
40\r
41 Entry point function of BaseMemoryTestInit Peim.\r
42\r
43Arguments:\r
44\r
45 PeiServices - General purpose services available to every PEIM.\r
46 FfsHeader - Ffs header pointer\r
47\r
48Returns:\r
49\r
50 Status - Result of InstallPpi\r
51\r
52--*/ \r
53{\r
54 EFI_STATUS Status;\r
55\r
56 Status = (**PeiServices).InstallPpi (PeiServices, &PpiListPeiBaseMemoryTest);\r
57\r
58 return Status;\r
59}\r
60\r
61EFI_STATUS\r
62EFIAPI\r
63BaseMemoryTest (\r
64 IN EFI_PEI_SERVICES **PeiServices,\r
65 IN PEI_BASE_MEMORY_TEST_PPI *This,\r
66 IN EFI_PHYSICAL_ADDRESS BeginAddress,\r
67 IN UINT64 MemoryLength,\r
68 IN PEI_MEMORY_TEST_OP Operation,\r
69 OUT EFI_PHYSICAL_ADDRESS *ErrorAddress\r
70 )\r
71/*++\r
72Description:\r
73\r
74 Test base memory.\r
75\r
76Arguments:\r
77\r
78 PeiServices - General purpose services available to every PEIM.\r
79 This - Pei memory test PPI pointer.\r
80 BeginAddress - Beginning of the memory address to be checked.\r
81 MemoryLength - Bytes of memory range to be checked.\r
82 Operation - Type of memory check operation to be performed.\r
83 ErrorAddress - Return the address of the error memory address.\r
84 ErrorAddress - Address which has error when checked.\r
85\r
86Returns:\r
87\r
88 Status - Result of InstallPpi\r
89\r
90--*/ \r
91{\r
92 UINT32 TestPattern;\r
93 EFI_PHYSICAL_ADDRESS TempAddress;\r
94 UINT32 SpanSize;\r
95\r
ba237732 96 REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdStatusCodeValueMemoryTestStarted));\r
ce2f5557 97\r
98 TestPattern = TEST_PATTERN;\r
99 SpanSize = 0;\r
100\r
101 //\r
102 // Make sure we don't try and test anything above the max physical address range\r
103 //\r
104 ASSERT (BeginAddress + MemoryLength < EFI_MAX_ADDRESS);\r
105\r
106 switch (Operation) {\r
107 case Extensive:\r
108 SpanSize = 0x4;\r
109 break;\r
110\r
111 case Sparse:\r
112 case Quick:\r
113 SpanSize = COVER_SPAN;\r
114 break;\r
115\r
116 case Ignore:\r
117 goto Done;\r
118 break;\r
119 }\r
120 //\r
121 // Write the test pattern into memory range\r
122 //\r
123 TempAddress = BeginAddress;\r
124 while (TempAddress < BeginAddress + MemoryLength) {\r
125 (*(UINT32 *) (UINTN) TempAddress) = TestPattern;\r
126 TempAddress += SpanSize;\r
127 }\r
128 //\r
129 // Read pattern from memory and compare it\r
130 //\r
131 TempAddress = BeginAddress;\r
132 while (TempAddress < BeginAddress + MemoryLength) {\r
133 if ((*(UINT32 *) (UINTN) TempAddress) != TestPattern) {\r
134 *ErrorAddress = TempAddress;\r
ba237732 135 REPORT_STATUS_CODE (EFI_ERROR_CODE | EFI_ERROR_UNRECOVERED, PcdGet32 (PcdStatusCodeValueUncorrectableMemoryError));\r
ce2f5557 136\r
137 return EFI_DEVICE_ERROR;\r
138 }\r
139\r
140 TempAddress += SpanSize;\r
141 }\r
142\r
143Done:\r
144 return EFI_SUCCESS;\r
145}\r