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c8ec22a2 JY |
1 | /** @file\r |
2 | \r | |
d5fb1edf | 3 | Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>\r |
c8ec22a2 JY |
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 | |
d5fb1edf | 17 | #include <Library/MemoryAllocationLib.h>\r |
c8ec22a2 JY |
18 | #include <Library/DebugLib.h>\r |
19 | #include <Library/PcdLib.h>\r | |
20 | #include <Library/HobLib.h>\r | |
21 | #include <Library/PeiServicesLib.h>\r | |
22 | #include <Library/FspCommonLib.h>\r | |
23 | #include <Guid/GuidHobFsp.h>\r | |
24 | #include <FspGlobalData.h>\r | |
25 | #include <FspApi.h>\r | |
26 | \r | |
27 | /**\r | |
28 | Get system memory from HOB.\r | |
29 | \r | |
30 | @param[in,out] LowMemoryLength less than 4G memory length\r | |
31 | @param[in,out] HighMemoryLength greater than 4G memory length\r | |
32 | **/\r | |
33 | VOID\r | |
34 | EFIAPI\r | |
35 | FspGetSystemMemorySize (\r | |
36 | IN OUT UINT64 *LowMemoryLength,\r | |
37 | IN OUT UINT64 *HighMemoryLength\r | |
38 | )\r | |
39 | {\r | |
40 | EFI_PEI_HOB_POINTERS Hob;\r | |
41 | \r | |
42 | *HighMemoryLength = 0;\r | |
43 | *LowMemoryLength = SIZE_1MB;\r | |
44 | //\r | |
45 | // Get the HOB list for processing\r | |
46 | //\r | |
47 | Hob.Raw = GetHobList ();\r | |
48 | \r | |
49 | //\r | |
50 | // Collect memory ranges\r | |
51 | //\r | |
52 | while (!END_OF_HOB_LIST (Hob)) {\r | |
53 | if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
54 | if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
55 | //\r | |
56 | // Need memory above 1MB to be collected here\r | |
57 | //\r | |
58 | if (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB &&\r | |
59 | Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) BASE_4GB) {\r | |
60 | *LowMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);\r | |
61 | } else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) BASE_4GB) {\r | |
62 | *HighMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);\r | |
63 | }\r | |
64 | }\r | |
65 | }\r | |
66 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
67 | }\r | |
68 | }\r | |
69 | \r | |
70 | /**\r | |
9da59186 | 71 | Migrate BootLoader data before destroying CAR.\r |
c8ec22a2 JY |
72 | \r |
73 | **/\r | |
74 | VOID\r | |
75 | EFIAPI\r | |
76 | FspMigrateTemporaryMemory (\r | |
77 | VOID\r | |
78 | )\r | |
79 | {\r | |
d5fb1edf JY |
80 | FSP_INIT_RT_COMMON_BUFFER *FspInitRtBuffer;\r |
81 | UINT32 BootLoaderTempRamStart;\r | |
82 | UINT32 BootLoaderTempRamEnd;\r | |
83 | UINT32 BootLoaderTempRamSize;\r | |
84 | UINT32 OffsetGap;\r | |
85 | UINT32 FspParamPtr;\r | |
86 | FSP_INIT_PARAMS *FspInitParams;\r | |
87 | UINT32 *NewStackTop;\r | |
88 | VOID *BootLoaderTempRamHob;\r | |
b2344187 JY |
89 | UINT32 UpdDataRgnPtr;\r |
90 | UINT32 MemoryInitUpdPtr;\r | |
91 | UINT32 SiliconInitUpdPtr;\r | |
d5fb1edf JY |
92 | VOID *PlatformDataPtr;\r |
93 | UINT8 ApiMode;\r | |
94 | \r | |
95 | ApiMode = GetFspApiCallingMode ();\r | |
c8ec22a2 JY |
96 | \r |
97 | //\r | |
9da59186 | 98 | // Get the temporary memory range used by the BootLoader\r |
c8ec22a2 JY |
99 | //\r |
100 | BootLoaderTempRamStart = PcdGet32(PcdTemporaryRamBase);\r | |
101 | BootLoaderTempRamSize = PcdGet32(PcdTemporaryRamSize) - PcdGet32(PcdFspTemporaryRamSize);\r | |
102 | BootLoaderTempRamEnd = BootLoaderTempRamStart + BootLoaderTempRamSize;\r | |
103 | \r | |
104 | //\r | |
105 | // Build a Boot Loader Temporary Memory GUID HOB\r | |
106 | //\r | |
d5fb1edf | 107 | if (ApiMode == 0) {\r |
95c95ac0 | 108 | BootLoaderTempRamHob = BuildGuidHob (&gFspBootLoaderTemporaryMemoryGuid, BootLoaderTempRamSize);\r |
d5fb1edf | 109 | } else {\r |
b2344187 | 110 | BootLoaderTempRamHob = (VOID *)AllocatePages (EFI_SIZE_TO_PAGES (BootLoaderTempRamSize));\r |
d5fb1edf | 111 | }\r |
95c95ac0 | 112 | ASSERT(BootLoaderTempRamHob != NULL);\r |
d5fb1edf | 113 | \r |
c8ec22a2 JY |
114 | CopyMem (BootLoaderTempRamHob, (VOID *)BootLoaderTempRamStart, BootLoaderTempRamSize);\r |
115 | OffsetGap = (UINT32)BootLoaderTempRamHob - BootLoaderTempRamStart;\r | |
116 | \r | |
117 | //\r | |
118 | // Set a new stack frame for the continuation function\r | |
119 | //\r | |
d5fb1edf JY |
120 | if (ApiMode == 0) {\r |
121 | FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();\r | |
122 | FspInitRtBuffer = (FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr;\r | |
123 | NewStackTop = (UINT32 *)FspInitRtBuffer->StackTop - 1;\r | |
124 | SetFspCoreStackPointer (NewStackTop);\r | |
125 | }\r | |
c8ec22a2 JY |
126 | \r |
127 | //\r | |
128 | // Fix the FspInit Parameter Pointers to the new location.\r | |
129 | //\r | |
130 | FspParamPtr = GetFspApiParameter ();\r | |
131 | if (FspParamPtr >= BootLoaderTempRamStart && FspParamPtr < BootLoaderTempRamEnd) {\r | |
132 | SetFspApiParameter(FspParamPtr + OffsetGap);\r | |
133 | }\r | |
134 | \r | |
135 | FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();\r | |
136 | if ((UINT32)(FspInitParams->RtBufferPtr) >= BootLoaderTempRamStart &&\r | |
137 | (UINT32)(FspInitParams->RtBufferPtr) < BootLoaderTempRamEnd) {\r | |
138 | FspInitParams->RtBufferPtr = (VOID *)((UINT32)(FspInitParams->RtBufferPtr) + OffsetGap);\r | |
139 | }\r | |
140 | \r | |
141 | if ((UINT32)(FspInitParams->NvsBufferPtr) >= BootLoaderTempRamStart &&\r | |
142 | (UINT32)(FspInitParams->NvsBufferPtr) < BootLoaderTempRamEnd) {\r | |
143 | FspInitParams->NvsBufferPtr = (VOID *)((UINT32)(FspInitParams->NvsBufferPtr) + OffsetGap);\r | |
144 | }\r | |
145 | \r | |
146 | if ((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) >= BootLoaderTempRamStart &&\r | |
147 | (UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) < BootLoaderTempRamEnd) {\r | |
148 | ((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr = \\r | |
149 | (VOID *)((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) + OffsetGap);\r | |
150 | }\r | |
151 | \r | |
152 | //\r | |
153 | // Update UPD pointer in FSP Global Data\r | |
154 | //\r | |
b2344187 JY |
155 | if (ApiMode == 0) {\r |
156 | UpdDataRgnPtr = (UINT32)((UINT32 *)GetFspUpdDataPointer ());\r | |
157 | if (UpdDataRgnPtr >= BootLoaderTempRamStart && UpdDataRgnPtr < BootLoaderTempRamEnd) {\r | |
158 | MemoryInitUpdPtr = (UINT32)((UINT32 *)GetFspMemoryInitUpdDataPointer ());\r | |
159 | SiliconInitUpdPtr = (UINT32)((UINT32 *)GetFspSiliconInitUpdDataPointer ());\r | |
160 | SetFspUpdDataPointer ((VOID *)(UpdDataRgnPtr + OffsetGap));\r | |
161 | SetFspMemoryInitUpdDataPointer ((VOID *)(MemoryInitUpdPtr + OffsetGap));\r | |
162 | SetFspSiliconInitUpdDataPointer ((VOID *)(SiliconInitUpdPtr + OffsetGap));\r | |
163 | }\r | |
164 | } else {\r | |
165 | MemoryInitUpdPtr = (UINT32)((UINT32 *)GetFspMemoryInitUpdDataPointer ());\r | |
166 | if (MemoryInitUpdPtr >= BootLoaderTempRamStart && MemoryInitUpdPtr < BootLoaderTempRamEnd) {\r | |
167 | SetFspMemoryInitUpdDataPointer ((VOID *)(MemoryInitUpdPtr + OffsetGap));\r | |
168 | }\r | |
c8ec22a2 JY |
169 | }\r |
170 | \r | |
171 | //\r | |
172 | // Update Platform data pointer in FSP Global Data\r | |
173 | //\r | |
174 | PlatformDataPtr = GetFspPlatformDataPointer ();\r | |
175 | if (((UINT32)PlatformDataPtr >= BootLoaderTempRamStart) &&\r | |
176 | ((UINT32)PlatformDataPtr < BootLoaderTempRamEnd)) {\r | |
177 | SetFspPlatformDataPointer ((UINT8 *)PlatformDataPtr + OffsetGap);\r | |
178 | }\r | |
c8ec22a2 | 179 | }\r |