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1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r | |
4 | 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 | **/\r | |
13 | \r | |
14 | #include <PiPei.h>\r | |
15 | #include <Library/BaseLib.h>\r | |
16 | #include <Library/BaseMemoryLib.h>\r | |
17 | #include <Library/DebugLib.h>\r | |
18 | #include <Library/PcdLib.h>\r | |
19 | #include <Library/HobLib.h>\r | |
20 | #include <Library/PeiServicesLib.h>\r | |
21 | #include <Library/FspCommonLib.h>\r | |
22 | #include <Guid/GuidHobFsp.h>\r | |
23 | #include <FspGlobalData.h>\r | |
24 | #include <FspApi.h>\r | |
25 | \r | |
26 | /**\r | |
27 | Get system memory from HOB.\r | |
28 | \r | |
29 | @param[in,out] LowMemoryLength less than 4G memory length\r | |
30 | @param[in,out] HighMemoryLength greater than 4G memory length\r | |
31 | **/\r | |
32 | VOID\r | |
33 | EFIAPI\r | |
34 | FspGetSystemMemorySize (\r | |
35 | IN OUT UINT64 *LowMemoryLength,\r | |
36 | IN OUT UINT64 *HighMemoryLength\r | |
37 | )\r | |
38 | {\r | |
39 | EFI_PEI_HOB_POINTERS Hob;\r | |
40 | \r | |
41 | *HighMemoryLength = 0;\r | |
42 | *LowMemoryLength = SIZE_1MB;\r | |
43 | //\r | |
44 | // Get the HOB list for processing\r | |
45 | //\r | |
46 | Hob.Raw = GetHobList ();\r | |
47 | \r | |
48 | //\r | |
49 | // Collect memory ranges\r | |
50 | //\r | |
51 | while (!END_OF_HOB_LIST (Hob)) {\r | |
52 | if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
53 | if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
54 | //\r | |
55 | // Need memory above 1MB to be collected here\r | |
56 | //\r | |
57 | if (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB &&\r | |
58 | Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) BASE_4GB) {\r | |
59 | *LowMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);\r | |
60 | } else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) BASE_4GB) {\r | |
61 | *HighMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);\r | |
62 | }\r | |
63 | }\r | |
64 | }\r | |
65 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
66 | }\r | |
67 | }\r | |
68 | \r | |
69 | /**\r | |
70 | Migrate bootloader data before destroying CAR.\r | |
71 | \r | |
72 | **/\r | |
73 | VOID\r | |
74 | EFIAPI\r | |
75 | FspMigrateTemporaryMemory (\r | |
76 | VOID\r | |
77 | )\r | |
78 | {\r | |
79 | FSP_INIT_RT_COMMON_BUFFER *FspInitRtBuffer;\r | |
80 | UINT32 BootLoaderTempRamStart;\r | |
81 | UINT32 BootLoaderTempRamEnd;\r | |
82 | UINT32 BootLoaderTempRamSize;\r | |
83 | UINT32 OffsetGap;\r | |
84 | UINT32 FspParamPtr;\r | |
85 | FSP_INIT_PARAMS *FspInitParams;\r | |
86 | UINT32 *NewStackTop;\r | |
87 | VOID *BootLoaderTempRamHob;\r | |
88 | VOID *UpdDataRgnPtr;\r | |
89 | VOID *PlatformDataPtr;\r | |
90 | \r | |
91 | //\r | |
92 | // Get the temporary memory range used by the bootloader\r | |
93 | //\r | |
94 | BootLoaderTempRamStart = PcdGet32(PcdTemporaryRamBase);\r | |
95 | BootLoaderTempRamSize = PcdGet32(PcdTemporaryRamSize) - PcdGet32(PcdFspTemporaryRamSize);\r | |
96 | BootLoaderTempRamEnd = BootLoaderTempRamStart + BootLoaderTempRamSize;\r | |
97 | \r | |
98 | //\r | |
99 | // Build a Boot Loader Temporary Memory GUID HOB\r | |
100 | //\r | |
101 | BootLoaderTempRamHob = BuildGuidHob (&gFspBootLoaderTemporaryMemoryGuid, BootLoaderTempRamSize);\r | |
102 | CopyMem (BootLoaderTempRamHob, (VOID *)BootLoaderTempRamStart, BootLoaderTempRamSize);\r | |
103 | OffsetGap = (UINT32)BootLoaderTempRamHob - BootLoaderTempRamStart;\r | |
104 | \r | |
105 | //\r | |
106 | // Set a new stack frame for the continuation function\r | |
107 | //\r | |
108 | FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();\r | |
109 | FspInitRtBuffer = (FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr;\r | |
110 | NewStackTop = (UINT32 *)FspInitRtBuffer->StackTop - 1;\r | |
111 | SetFspCoreStackPointer (NewStackTop);\r | |
112 | \r | |
113 | //\r | |
114 | // Fix the FspInit Parameter Pointers to the new location.\r | |
115 | //\r | |
116 | FspParamPtr = GetFspApiParameter ();\r | |
117 | if (FspParamPtr >= BootLoaderTempRamStart && FspParamPtr < BootLoaderTempRamEnd) {\r | |
118 | SetFspApiParameter(FspParamPtr + OffsetGap);\r | |
119 | }\r | |
120 | \r | |
121 | FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();\r | |
122 | if ((UINT32)(FspInitParams->RtBufferPtr) >= BootLoaderTempRamStart &&\r | |
123 | (UINT32)(FspInitParams->RtBufferPtr) < BootLoaderTempRamEnd) {\r | |
124 | FspInitParams->RtBufferPtr = (VOID *)((UINT32)(FspInitParams->RtBufferPtr) + OffsetGap);\r | |
125 | }\r | |
126 | \r | |
127 | if ((UINT32)(FspInitParams->NvsBufferPtr) >= BootLoaderTempRamStart &&\r | |
128 | (UINT32)(FspInitParams->NvsBufferPtr) < BootLoaderTempRamEnd) {\r | |
129 | FspInitParams->NvsBufferPtr = (VOID *)((UINT32)(FspInitParams->NvsBufferPtr) + OffsetGap);\r | |
130 | }\r | |
131 | \r | |
132 | if ((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) >= BootLoaderTempRamStart &&\r | |
133 | (UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) < BootLoaderTempRamEnd) {\r | |
134 | ((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr = \\r | |
135 | (VOID *)((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) + OffsetGap);\r | |
136 | }\r | |
137 | \r | |
138 | //\r | |
139 | // Update UPD pointer in FSP Global Data\r | |
140 | //\r | |
141 | UpdDataRgnPtr = ((FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr)->UpdDataRgnPtr;\r | |
142 | if (UpdDataRgnPtr != NULL) {\r | |
143 | SetFspUpdDataPointer (UpdDataRgnPtr);\r | |
144 | }\r | |
145 | \r | |
146 | //\r | |
147 | // Update Platform data pointer in FSP Global Data\r | |
148 | //\r | |
149 | PlatformDataPtr = GetFspPlatformDataPointer ();\r | |
150 | if (((UINT32)PlatformDataPtr >= BootLoaderTempRamStart) &&\r | |
151 | ((UINT32)PlatformDataPtr < BootLoaderTempRamEnd)) {\r | |
152 | SetFspPlatformDataPointer ((UINT8 *)PlatformDataPtr + OffsetGap);\r | |
153 | }\r | |
154 | \r | |
155 | }\r |