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cf1d4549 JY |
1 | /** @file\r |
2 | \r | |
e37bb20c | 3 | Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9672cd30 | 4 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
cf1d4549 JY |
5 | \r |
6 | **/\r | |
7 | \r | |
8 | #include <PiPei.h>\r | |
9 | #include <Library/BaseLib.h>\r | |
10 | #include <Library/BaseMemoryLib.h>\r | |
11 | #include <Library/MemoryAllocationLib.h>\r | |
12 | #include <Library/DebugLib.h>\r | |
13 | #include <Library/PcdLib.h>\r | |
14 | #include <Library/HobLib.h>\r | |
15 | #include <Library/PeiServicesLib.h>\r | |
16 | #include <Library/FspCommonLib.h>\r | |
17 | #include <FspGlobalData.h>\r | |
18 | #include <FspEas.h>\r | |
19 | \r | |
20 | /**\r | |
21 | Get system memory resource descriptor by owner.\r | |
22 | \r | |
23 | @param[in] OwnerGuid resource owner guid\r | |
24 | **/\r | |
25 | EFI_HOB_RESOURCE_DESCRIPTOR *\r | |
26 | EFIAPI\r | |
27 | FspGetResourceDescriptorByOwner (\r | |
111f2228 | 28 | IN EFI_GUID *OwnerGuid\r |
cf1d4549 JY |
29 | )\r |
30 | {\r | |
111f2228 | 31 | EFI_PEI_HOB_POINTERS Hob;\r |
cf1d4549 JY |
32 | \r |
33 | //\r | |
34 | // Get the HOB list for processing\r | |
35 | //\r | |
36 | Hob.Raw = GetHobList ();\r | |
37 | \r | |
38 | //\r | |
39 | // Collect memory ranges\r | |
40 | //\r | |
41 | while (!END_OF_HOB_LIST (Hob)) {\r | |
42 | if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
43 | if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) && \\r | |
111f2228 MK |
44 | (CompareGuid (&Hob.ResourceDescriptor->Owner, OwnerGuid)))\r |
45 | {\r | |
46 | return Hob.ResourceDescriptor;\r | |
cf1d4549 JY |
47 | }\r |
48 | }\r | |
111f2228 | 49 | \r |
cf1d4549 JY |
50 | Hob.Raw = GET_NEXT_HOB (Hob);\r |
51 | }\r | |
e37bb20c | 52 | \r |
cf1d4549 JY |
53 | return NULL;\r |
54 | }\r | |
55 | \r | |
56 | /**\r | |
57 | Get system memory from HOB.\r | |
58 | \r | |
59 | @param[in,out] LowMemoryLength less than 4G memory length\r | |
60 | @param[in,out] HighMemoryLength greater than 4G memory length\r | |
61 | **/\r | |
62 | VOID\r | |
63 | EFIAPI\r | |
64 | FspGetSystemMemorySize (\r | |
111f2228 MK |
65 | IN OUT UINT64 *LowMemoryLength,\r |
66 | IN OUT UINT64 *HighMemoryLength\r | |
cf1d4549 JY |
67 | )\r |
68 | {\r | |
111f2228 MK |
69 | EFI_STATUS Status;\r |
70 | EFI_BOOT_MODE BootMode;\r | |
71 | EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;\r | |
72 | EFI_PEI_HOB_POINTERS Hob;\r | |
cf1d4549 JY |
73 | \r |
74 | ResourceAttribute = (\r | |
75 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
76 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
77 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
78 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
79 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
80 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r | |
81 | );\r | |
82 | \r | |
83 | Status = PeiServicesGetBootMode (&BootMode);\r | |
84 | ASSERT_EFI_ERROR (Status);\r | |
85 | \r | |
86 | if (BootMode != BOOT_ON_S3_RESUME) {\r | |
87 | ResourceAttribute |= EFI_RESOURCE_ATTRIBUTE_TESTED;\r | |
88 | }\r | |
89 | \r | |
90 | *HighMemoryLength = 0;\r | |
91 | *LowMemoryLength = SIZE_1MB;\r | |
92 | //\r | |
93 | // Get the HOB list for processing\r | |
94 | //\r | |
95 | Hob.Raw = GetHobList ();\r | |
96 | \r | |
97 | //\r | |
98 | // Collect memory ranges\r | |
99 | //\r | |
100 | while (!END_OF_HOB_LIST (Hob)) {\r | |
101 | if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
102 | if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) ||\r | |
103 | ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) &&\r | |
111f2228 MK |
104 | (Hob.ResourceDescriptor->ResourceAttribute == ResourceAttribute)))\r |
105 | {\r | |
cf1d4549 JY |
106 | //\r |
107 | // Need memory above 1MB to be collected here\r | |
108 | //\r | |
111f2228 MK |
109 | if ((Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB) &&\r |
110 | (Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS)BASE_4GB))\r | |
111 | {\r | |
112 | *LowMemoryLength += (UINT64)(Hob.ResourceDescriptor->ResourceLength);\r | |
113 | } else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS)BASE_4GB) {\r | |
114 | *HighMemoryLength += (UINT64)(Hob.ResourceDescriptor->ResourceLength);\r | |
cf1d4549 JY |
115 | }\r |
116 | }\r | |
117 | }\r | |
111f2228 | 118 | \r |
cf1d4549 JY |
119 | Hob.Raw = GET_NEXT_HOB (Hob);\r |
120 | }\r | |
121 | }\r |