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04af8bf2 | 1 | /** @file\r |
04af8bf2 | 2 | \r |
302a8f35 | 3 | Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>\r |
7c4ab1c2 | 4 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
04af8bf2 DG |
5 | \r |
6 | **/\r | |
04af8bf2 | 7 | \r |
091b6a11 | 8 | #include <Guid/MemoryTypeInformation.h>\r |
7c4ab1c2 | 9 | #include "UefiPayloadEntry.h"\r |
04af8bf2 | 10 | \r |
e5efcf8b | 11 | STATIC UINT32 mTopOfLowerUsableDram = 0;\r |
1e5e58d3 | 12 | \r |
091b6a11 SR |
13 | EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] = {\r |
14 | { EfiACPIReclaimMemory, FixedPcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory) },\r | |
15 | { EfiACPIMemoryNVS, FixedPcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS) },\r | |
16 | { EfiReservedMemoryType, FixedPcdGet32 (PcdMemoryTypeEfiReservedMemoryType) },\r | |
17 | { EfiRuntimeServicesData, FixedPcdGet32 (PcdMemoryTypeEfiRuntimeServicesData) },\r | |
18 | { EfiRuntimeServicesCode, FixedPcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode) },\r | |
19 | { EfiMaxMemoryType, 0 }\r | |
20 | };\r | |
21 | \r | |
22 | /**\r | |
23 | Function to reserve memory below 4GB for EDKII Modules.\r | |
24 | \r | |
25 | This causes the DXE to dispatch everything under 4GB and allows Operating\r | |
26 | System's that require EFI_LOADED_IMAGE to be under 4GB to start.\r | |
27 | e.g. Xen hypervisor used in Qubes.\r | |
28 | **/\r | |
29 | VOID\r | |
30 | ForceModulesBelow4G (\r | |
31 | VOID\r | |
32 | )\r | |
33 | {\r | |
34 | DEBUG ((DEBUG_INFO, "Building hob to restrict memory resorces to below 4G.\n"));\r | |
35 | \r | |
36 | //\r | |
37 | // Create Memory Type Information HOB\r | |
38 | //\r | |
39 | BuildGuidDataHob (\r | |
40 | &gEfiMemoryTypeInformationGuid,\r | |
41 | mDefaultMemoryTypeInformation,\r | |
42 | sizeof (mDefaultMemoryTypeInformation)\r | |
43 | );\r | |
44 | }\r | |
45 | \r | |
04af8bf2 | 46 | /**\r |
7c4ab1c2 | 47 | Callback function to build resource descriptor HOB\r |
04af8bf2 | 48 | \r |
7c4ab1c2 | 49 | This function build a HOB based on the memory map entry info.\r |
1e5e58d3 PR |
50 | It creates only EFI_RESOURCE_MEMORY_MAPPED_IO and EFI_RESOURCE_MEMORY_RESERVED\r |
51 | resources.\r | |
52 | \r | |
53 | @param MemoryMapEntry Memory map entry info got from bootloader.\r | |
54 | @param Params A pointer to ACPI_BOARD_INFO.\r | |
55 | \r | |
56 | @retval EFI_SUCCESS Successfully build a HOB.\r | |
57 | @retval EFI_INVALID_PARAMETER Invalid parameter provided.\r | |
58 | **/\r | |
59 | EFI_STATUS\r | |
60 | MemInfoCallbackMmio (\r | |
e5efcf8b MK |
61 | IN MEMORY_MAP_ENTRY *MemoryMapEntry,\r |
62 | IN VOID *Params\r | |
1e5e58d3 PR |
63 | )\r |
64 | {\r | |
65 | EFI_PHYSICAL_ADDRESS Base;\r | |
66 | EFI_RESOURCE_TYPE Type;\r | |
67 | UINT64 Size;\r | |
68 | EFI_RESOURCE_ATTRIBUTE_TYPE Attribue;\r | |
69 | ACPI_BOARD_INFO *AcpiBoardInfo;\r | |
70 | \r | |
71 | AcpiBoardInfo = (ACPI_BOARD_INFO *)Params;\r | |
72 | if (AcpiBoardInfo == NULL) {\r | |
73 | return EFI_INVALID_PARAMETER;\r | |
74 | }\r | |
75 | \r | |
76 | //\r | |
77 | // Skip types already handled in MemInfoCallback\r | |
78 | //\r | |
e5efcf8b | 79 | if ((MemoryMapEntry->Type == E820_RAM) || (MemoryMapEntry->Type == E820_ACPI)) {\r |
1e5e58d3 PR |
80 | return EFI_SUCCESS;\r |
81 | }\r | |
82 | \r | |
83 | if (MemoryMapEntry->Base == AcpiBoardInfo->PcieBaseAddress) {\r | |
84 | //\r | |
85 | // MMCONF is always MMIO\r | |
86 | //\r | |
87 | Type = EFI_RESOURCE_MEMORY_MAPPED_IO;\r | |
88 | } else if (MemoryMapEntry->Base < mTopOfLowerUsableDram) {\r | |
89 | //\r | |
90 | // It's in DRAM and thus must be reserved\r | |
91 | //\r | |
92 | Type = EFI_RESOURCE_MEMORY_RESERVED;\r | |
93 | } else if ((MemoryMapEntry->Base < 0x100000000ULL) && (MemoryMapEntry->Base >= mTopOfLowerUsableDram)) {\r | |
94 | //\r | |
95 | // It's not in DRAM, must be MMIO\r | |
96 | //\r | |
97 | Type = EFI_RESOURCE_MEMORY_MAPPED_IO;\r | |
98 | } else {\r | |
99 | Type = EFI_RESOURCE_MEMORY_RESERVED;\r | |
100 | }\r | |
101 | \r | |
e5efcf8b MK |
102 | Base = MemoryMapEntry->Base;\r |
103 | Size = MemoryMapEntry->Size;\r | |
1e5e58d3 PR |
104 | \r |
105 | Attribue = EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
106 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
107 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
108 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
109 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
110 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
111 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE;\r | |
112 | \r | |
113 | BuildResourceDescriptorHob (Type, Attribue, (EFI_PHYSICAL_ADDRESS)Base, Size);\r | |
e5efcf8b | 114 | DEBUG ((DEBUG_INFO, "buildhob: base = 0x%lx, size = 0x%lx, type = 0x%x\n", Base, Size, Type));\r |
1e5e58d3 | 115 | \r |
e5efcf8b MK |
116 | if ((MemoryMapEntry->Type == E820_UNUSABLE) ||\r |
117 | (MemoryMapEntry->Type == E820_DISABLED))\r | |
118 | {\r | |
1e5e58d3 PR |
119 | BuildMemoryAllocationHob (Base, Size, EfiUnusableMemory);\r |
120 | } else if (MemoryMapEntry->Type == E820_PMEM) {\r | |
121 | BuildMemoryAllocationHob (Base, Size, EfiPersistentMemory);\r | |
122 | }\r | |
123 | \r | |
124 | return EFI_SUCCESS;\r | |
125 | }\r | |
126 | \r | |
1e5e58d3 PR |
127 | /**\r |
128 | Callback function to find TOLUD (Top of Lower Usable DRAM)\r | |
129 | \r | |
130 | Estimate where TOLUD (Top of Lower Usable DRAM) resides. The exact position\r | |
131 | would require platform specific code.\r | |
132 | \r | |
133 | @param MemoryMapEntry Memory map entry info got from bootloader.\r | |
134 | @param Params Not used for now.\r | |
135 | \r | |
136 | @retval EFI_SUCCESS Successfully updated mTopOfLowerUsableDram.\r | |
137 | **/\r | |
138 | EFI_STATUS\r | |
139 | FindToludCallback (\r | |
e5efcf8b MK |
140 | IN MEMORY_MAP_ENTRY *MemoryMapEntry,\r |
141 | IN VOID *Params\r | |
1e5e58d3 PR |
142 | )\r |
143 | {\r | |
144 | //\r | |
145 | // This code assumes that the memory map on this x86 machine below 4GiB is continous\r | |
146 | // until TOLUD. In addition it assumes that the bootloader provided memory tables have\r | |
147 | // no "holes" and thus the first memory range not covered by e820 marks the end of\r | |
148 | // usable DRAM. In addition it's assumed that every reserved memory region touching\r | |
149 | // usable RAM is also covering DRAM, everything else that is marked reserved thus must be\r | |
150 | // MMIO not detectable by bootloader/OS\r | |
151 | //\r | |
152 | \r | |
153 | //\r | |
154 | // Skip memory types not RAM or reserved\r | |
155 | //\r | |
156 | if ((MemoryMapEntry->Type == E820_UNUSABLE) || (MemoryMapEntry->Type == E820_DISABLED) ||\r | |
e5efcf8b MK |
157 | (MemoryMapEntry->Type == E820_PMEM))\r |
158 | {\r | |
1e5e58d3 PR |
159 | return EFI_SUCCESS;\r |
160 | }\r | |
161 | \r | |
162 | //\r | |
163 | // Skip resources above 4GiB\r | |
164 | //\r | |
165 | if ((MemoryMapEntry->Base + MemoryMapEntry->Size) > 0x100000000ULL) {\r | |
166 | return EFI_SUCCESS;\r | |
167 | }\r | |
168 | \r | |
169 | if ((MemoryMapEntry->Type == E820_RAM) || (MemoryMapEntry->Type == E820_ACPI) ||\r | |
e5efcf8b MK |
170 | (MemoryMapEntry->Type == E820_NVS))\r |
171 | {\r | |
1e5e58d3 PR |
172 | //\r |
173 | // It's usable DRAM. Update TOLUD.\r | |
174 | //\r | |
175 | if (mTopOfLowerUsableDram < (MemoryMapEntry->Base + MemoryMapEntry->Size)) {\r | |
176 | mTopOfLowerUsableDram = (UINT32)(MemoryMapEntry->Base + MemoryMapEntry->Size);\r | |
177 | }\r | |
178 | } else {\r | |
179 | //\r | |
180 | // It might be 'reserved DRAM' or 'MMIO'.\r | |
181 | //\r | |
182 | // If it touches usable DRAM at Base assume it's DRAM as well,\r | |
183 | // as it could be bootloader installed tables, TSEG, GTT, ...\r | |
184 | //\r | |
185 | if (mTopOfLowerUsableDram == MemoryMapEntry->Base) {\r | |
186 | mTopOfLowerUsableDram = (UINT32)(MemoryMapEntry->Base + MemoryMapEntry->Size);\r | |
187 | }\r | |
188 | }\r | |
189 | \r | |
190 | return EFI_SUCCESS;\r | |
191 | }\r | |
192 | \r | |
1e5e58d3 PR |
193 | /**\r |
194 | Callback function to build resource descriptor HOB\r | |
195 | \r | |
196 | This function build a HOB based on the memory map entry info.\r | |
197 | Only add EFI_RESOURCE_SYSTEM_MEMORY.\r | |
04af8bf2 | 198 | \r |
7c4ab1c2 GD |
199 | @param MemoryMapEntry Memory map entry info got from bootloader.\r |
200 | @param Params Not used for now.\r | |
04af8bf2 | 201 | \r |
7c4ab1c2 | 202 | @retval RETURN_SUCCESS Successfully build a HOB.\r |
04af8bf2 | 203 | **/\r |
7c4ab1c2 GD |
204 | EFI_STATUS\r |
205 | MemInfoCallback (\r | |
e5efcf8b MK |
206 | IN MEMORY_MAP_ENTRY *MemoryMapEntry,\r |
207 | IN VOID *Params\r | |
04af8bf2 DG |
208 | )\r |
209 | {\r | |
7c4ab1c2 GD |
210 | EFI_PHYSICAL_ADDRESS Base;\r |
211 | EFI_RESOURCE_TYPE Type;\r | |
212 | UINT64 Size;\r | |
213 | EFI_RESOURCE_ATTRIBUTE_TYPE Attribue;\r | |
04af8bf2 | 214 | \r |
1e5e58d3 PR |
215 | //\r |
216 | // Skip everything not known to be usable DRAM.\r | |
217 | // It will be added later.\r | |
218 | //\r | |
219 | if ((MemoryMapEntry->Type != E820_RAM) && (MemoryMapEntry->Type != E820_ACPI) &&\r | |
e5efcf8b MK |
220 | (MemoryMapEntry->Type != E820_NVS))\r |
221 | {\r | |
1e5e58d3 PR |
222 | return RETURN_SUCCESS;\r |
223 | }\r | |
224 | \r | |
e5efcf8b MK |
225 | Type = EFI_RESOURCE_SYSTEM_MEMORY;\r |
226 | Base = MemoryMapEntry->Base;\r | |
227 | Size = MemoryMapEntry->Size;\r | |
04af8bf2 | 228 | \r |
7c4ab1c2 GD |
229 | Attribue = EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
230 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
231 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
232 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
233 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
234 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
235 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE;\r | |
04af8bf2 | 236 | \r |
7c4ab1c2 | 237 | BuildResourceDescriptorHob (Type, Attribue, (EFI_PHYSICAL_ADDRESS)Base, Size);\r |
e5efcf8b | 238 | DEBUG ((DEBUG_INFO, "buildhob: base = 0x%lx, size = 0x%lx, type = 0x%x\n", Base, Size, Type));\r |
04af8bf2 | 239 | \r |
1e5e58d3 PR |
240 | if (MemoryMapEntry->Type == E820_ACPI) {\r |
241 | BuildMemoryAllocationHob (Base, Size, EfiACPIReclaimMemory);\r | |
242 | } else if (MemoryMapEntry->Type == E820_NVS) {\r | |
243 | BuildMemoryAllocationHob (Base, Size, EfiACPIMemoryNVS);\r | |
244 | }\r | |
245 | \r | |
7c4ab1c2 | 246 | return RETURN_SUCCESS;\r |
04af8bf2 DG |
247 | }\r |
248 | \r | |
04af8bf2 | 249 | /**\r |
7c4ab1c2 | 250 | It will build HOBs based on information from bootloaders.\r |
04af8bf2 | 251 | \r |
7c4ab1c2 GD |
252 | @retval EFI_SUCCESS If it completed successfully.\r |
253 | @retval Others If it failed to build required HOBs.\r | |
04af8bf2 DG |
254 | **/\r |
255 | EFI_STATUS\r | |
7c4ab1c2 GD |
256 | BuildHobFromBl (\r |
257 | VOID\r | |
04af8bf2 DG |
258 | )\r |
259 | {\r | |
e5efcf8b MK |
260 | EFI_STATUS Status;\r |
261 | ACPI_BOARD_INFO *AcpiBoardInfo;\r | |
262 | EFI_PEI_GRAPHICS_INFO_HOB GfxInfo;\r | |
263 | EFI_PEI_GRAPHICS_INFO_HOB *NewGfxInfo;\r | |
264 | EFI_PEI_GRAPHICS_DEVICE_INFO_HOB GfxDeviceInfo;\r | |
265 | EFI_PEI_GRAPHICS_DEVICE_INFO_HOB *NewGfxDeviceInfo;\r | |
266 | UNIVERSAL_PAYLOAD_SMBIOS_TABLE *SmBiosTableHob;\r | |
267 | UNIVERSAL_PAYLOAD_ACPI_TABLE *AcpiTableHob;\r | |
04af8bf2 | 268 | \r |
04af8bf2 | 269 | //\r |
1e5e58d3 PR |
270 | // First find TOLUD\r |
271 | //\r | |
e5efcf8b | 272 | DEBUG ((DEBUG_INFO, "Guessing Top of Lower Usable DRAM:\n"));\r |
1e5e58d3 | 273 | Status = ParseMemoryInfo (FindToludCallback, NULL);\r |
e5efcf8b | 274 | if (EFI_ERROR (Status)) {\r |
1e5e58d3 PR |
275 | return Status;\r |
276 | }\r | |
e5efcf8b MK |
277 | \r |
278 | DEBUG ((DEBUG_INFO, "Assuming TOLUD = 0x%x\n", mTopOfLowerUsableDram));\r | |
1e5e58d3 PR |
279 | \r |
280 | //\r | |
281 | // Parse memory info and build memory HOBs for Usable RAM\r | |
04af8bf2 | 282 | //\r |
e5efcf8b | 283 | DEBUG ((DEBUG_INFO, "Building ResourceDescriptorHobs for usable memory:\n"));\r |
7c4ab1c2 | 284 | Status = ParseMemoryInfo (MemInfoCallback, NULL);\r |
e5efcf8b | 285 | if (EFI_ERROR (Status)) {\r |
04af8bf2 DG |
286 | return Status;\r |
287 | }\r | |
288 | \r | |
04af8bf2 DG |
289 | //\r |
290 | // Create guid hob for frame buffer information\r | |
291 | //\r | |
292 | Status = ParseGfxInfo (&GfxInfo);\r | |
293 | if (!EFI_ERROR (Status)) {\r | |
294 | NewGfxInfo = BuildGuidHob (&gEfiGraphicsInfoHobGuid, sizeof (GfxInfo));\r | |
295 | ASSERT (NewGfxInfo != NULL);\r | |
296 | CopyMem (NewGfxInfo, &GfxInfo, sizeof (GfxInfo));\r | |
297 | DEBUG ((DEBUG_INFO, "Created graphics info hob\n"));\r | |
298 | }\r | |
299 | \r | |
04af8bf2 DG |
300 | Status = ParseGfxDeviceInfo (&GfxDeviceInfo);\r |
301 | if (!EFI_ERROR (Status)) {\r | |
302 | NewGfxDeviceInfo = BuildGuidHob (&gEfiGraphicsDeviceInfoHobGuid, sizeof (GfxDeviceInfo));\r | |
303 | ASSERT (NewGfxDeviceInfo != NULL);\r | |
304 | CopyMem (NewGfxDeviceInfo, &GfxDeviceInfo, sizeof (GfxDeviceInfo));\r | |
305 | DEBUG ((DEBUG_INFO, "Created graphics device info hob\n"));\r | |
306 | }\r | |
307 | \r | |
302a8f35 ZL |
308 | //\r |
309 | // Creat SmBios table Hob\r | |
310 | //\r | |
311 | SmBiosTableHob = BuildGuidHob (&gUniversalPayloadSmbiosTableGuid, sizeof (UNIVERSAL_PAYLOAD_SMBIOS_TABLE));\r | |
312 | ASSERT (SmBiosTableHob != NULL);\r | |
313 | SmBiosTableHob->Header.Revision = UNIVERSAL_PAYLOAD_SMBIOS_TABLE_REVISION;\r | |
e5efcf8b | 314 | SmBiosTableHob->Header.Length = sizeof (UNIVERSAL_PAYLOAD_SMBIOS_TABLE);\r |
302a8f35 | 315 | DEBUG ((DEBUG_INFO, "Create smbios table gUniversalPayloadSmbiosTableGuid guid hob\n"));\r |
e5efcf8b | 316 | Status = ParseSmbiosTable (SmBiosTableHob);\r |
e7663fdd KBT |
317 | if (!EFI_ERROR (Status)) {\r |
318 | DEBUG ((DEBUG_INFO, "Detected Smbios Table at 0x%lx\n", SmBiosTableHob->SmBiosEntryPoint));\r | |
319 | }\r | |
04af8bf2 | 320 | \r |
8c0d6780 ZL |
321 | //\r |
322 | // Creat ACPI table Hob\r | |
323 | //\r | |
324 | AcpiTableHob = BuildGuidHob (&gUniversalPayloadAcpiTableGuid, sizeof (UNIVERSAL_PAYLOAD_ACPI_TABLE));\r | |
325 | ASSERT (AcpiTableHob != NULL);\r | |
326 | AcpiTableHob->Header.Revision = UNIVERSAL_PAYLOAD_ACPI_TABLE_REVISION;\r | |
e5efcf8b | 327 | AcpiTableHob->Header.Length = sizeof (UNIVERSAL_PAYLOAD_ACPI_TABLE);\r |
e7663fdd | 328 | DEBUG ((DEBUG_INFO, "Create ACPI table gUniversalPayloadAcpiTableGuid guid hob\n"));\r |
e5efcf8b | 329 | Status = ParseAcpiTableInfo (AcpiTableHob);\r |
e7663fdd KBT |
330 | if (!EFI_ERROR (Status)) {\r |
331 | DEBUG ((DEBUG_INFO, "Detected ACPI Table at 0x%lx\n", AcpiTableHob->Rsdp));\r | |
332 | }\r | |
8c0d6780 | 333 | \r |
04af8bf2 DG |
334 | //\r |
335 | // Create guid hob for acpi board information\r | |
336 | //\r | |
e7663fdd | 337 | AcpiBoardInfo = BuildHobFromAcpi (AcpiTableHob->Rsdp);\r |
cc5a6726 | 338 | ASSERT (AcpiBoardInfo != NULL);\r |
04af8bf2 | 339 | \r |
1e5e58d3 PR |
340 | //\r |
341 | // Parse memory info and build memory HOBs for reserved DRAM and MMIO\r | |
342 | //\r | |
e5efcf8b | 343 | DEBUG ((DEBUG_INFO, "Building ResourceDescriptorHobs for reserved memory:\n"));\r |
cc5a6726 | 344 | Status = ParseMemoryInfo (MemInfoCallbackMmio, AcpiBoardInfo);\r |
e5efcf8b | 345 | if (EFI_ERROR (Status)) {\r |
1e5e58d3 PR |
346 | return Status;\r |
347 | }\r | |
348 | \r | |
978d428e MM |
349 | //\r |
350 | // Parse the misc info provided by bootloader\r | |
351 | //\r | |
352 | Status = ParseMiscInfo ();\r | |
353 | if (EFI_ERROR (Status)) {\r | |
354 | DEBUG ((DEBUG_WARN, "Error when parsing misc info, Status = %r\n", Status));\r | |
355 | }\r | |
356 | \r | |
04af8bf2 DG |
357 | //\r |
358 | // Parse platform specific information.\r | |
359 | //\r | |
360 | Status = ParsePlatformInfo ();\r | |
361 | if (EFI_ERROR (Status)) {\r | |
362 | DEBUG ((DEBUG_ERROR, "Error when parsing platform info, Status = %r\n", Status));\r | |
363 | return Status;\r | |
364 | }\r | |
365 | \r | |
7c4ab1c2 GD |
366 | return EFI_SUCCESS;\r |
367 | }\r | |
368 | \r | |
7c4ab1c2 GD |
369 | /**\r |
370 | This function will build some generic HOBs that doesn't depend on information from bootloaders.\r | |
371 | \r | |
372 | **/\r | |
373 | VOID\r | |
374 | BuildGenericHob (\r | |
375 | VOID\r | |
376 | )\r | |
377 | {\r | |
e5efcf8b MK |
378 | UINT32 RegEax;\r |
379 | UINT8 PhysicalAddressBits;\r | |
380 | EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;\r | |
7c4ab1c2 GD |
381 | \r |
382 | // The UEFI payload FV\r | |
383 | BuildMemoryAllocationHob (PcdGet32 (PcdPayloadFdMemBase), PcdGet32 (PcdPayloadFdMemSize), EfiBootServicesData);\r | |
384 | \r | |
385 | //\r | |
386 | // Build CPU memory space and IO space hob\r | |
387 | //\r | |
388 | AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);\r | |
389 | if (RegEax >= 0x80000008) {\r | |
390 | AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);\r | |
e5efcf8b | 391 | PhysicalAddressBits = (UINT8)RegEax;\r |
7c4ab1c2 | 392 | } else {\r |
e5efcf8b | 393 | PhysicalAddressBits = 36;\r |
7c4ab1c2 GD |
394 | }\r |
395 | \r | |
396 | BuildCpuHob (PhysicalAddressBits, 16);\r | |
397 | \r | |
398 | //\r | |
399 | // Report Local APIC range, cause sbl HOB to be NULL, comment now\r | |
400 | //\r | |
401 | ResourceAttribute = (\r | |
e5efcf8b MK |
402 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
403 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
404 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
405 | EFI_RESOURCE_ATTRIBUTE_TESTED\r | |
406 | );\r | |
7c4ab1c2 | 407 | BuildResourceDescriptorHob (EFI_RESOURCE_MEMORY_MAPPED_IO, ResourceAttribute, 0xFEC80000, SIZE_512KB);\r |
e5efcf8b | 408 | BuildMemoryAllocationHob (0xFEC80000, SIZE_512KB, EfiMemoryMappedIO);\r |
7c4ab1c2 GD |
409 | }\r |
410 | \r | |
7c4ab1c2 GD |
411 | /**\r |
412 | Entry point to the C language phase of UEFI payload.\r | |
413 | \r | |
6ef57974 GD |
414 | @param[in] BootloaderParameter The starting address of bootloader parameter block.\r |
415 | \r | |
7c4ab1c2 GD |
416 | @retval It will not return if SUCCESS, and return error when passing bootloader parameter.\r |
417 | **/\r | |
418 | EFI_STATUS\r | |
419 | EFIAPI\r | |
422e5d2f | 420 | _ModuleEntryPoint (\r |
e5efcf8b | 421 | IN UINTN BootloaderParameter\r |
7c4ab1c2 GD |
422 | )\r |
423 | {\r | |
e5efcf8b MK |
424 | EFI_STATUS Status;\r |
425 | PHYSICAL_ADDRESS DxeCoreEntryPoint;\r | |
426 | UINTN MemBase;\r | |
427 | UINTN HobMemBase;\r | |
428 | UINTN HobMemTop;\r | |
429 | EFI_PEI_HOB_POINTERS Hob;\r | |
430 | SERIAL_PORT_INFO SerialPortInfo;\r | |
422e5d2f | 431 | UNIVERSAL_PAYLOAD_SERIAL_PORT_INFO *UniversalSerialPort;\r |
7c4ab1c2 | 432 | \r |
f10a112f GD |
433 | Status = PcdSet64S (PcdBootloaderParameter, BootloaderParameter);\r |
434 | ASSERT_EFI_ERROR (Status);\r | |
435 | \r | |
7c4ab1c2 GD |
436 | // Initialize floating point operating environment to be compliant with UEFI spec.\r |
437 | InitializeFloatingPointUnits ();\r | |
438 | \r | |
439 | // HOB region is used for HOB and memory allocation for this module\r | |
440 | MemBase = PcdGet32 (PcdPayloadFdMemBase);\r | |
441 | HobMemBase = ALIGN_VALUE (MemBase + PcdGet32 (PcdPayloadFdMemSize), SIZE_1MB);\r | |
442 | HobMemTop = HobMemBase + FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);\r | |
443 | \r | |
d63595c3 | 444 | HobConstructor ((VOID *)MemBase, (VOID *)HobMemTop, (VOID *)HobMemBase, (VOID *)HobMemTop);\r |
7c4ab1c2 | 445 | \r |
422e5d2f GD |
446 | //\r |
447 | // Build serial port info\r | |
448 | //\r | |
449 | Status = ParseSerialInfo (&SerialPortInfo);\r | |
450 | if (!EFI_ERROR (Status)) {\r | |
451 | UniversalSerialPort = BuildGuidHob (&gUniversalPayloadSerialPortInfoGuid, sizeof (UNIVERSAL_PAYLOAD_SERIAL_PORT_INFO));\r | |
452 | ASSERT (UniversalSerialPort != NULL);\r | |
453 | UniversalSerialPort->Header.Revision = UNIVERSAL_PAYLOAD_SERIAL_PORT_INFO_REVISION;\r | |
454 | UniversalSerialPort->Header.Length = sizeof (UNIVERSAL_PAYLOAD_SERIAL_PORT_INFO);\r | |
e5efcf8b | 455 | UniversalSerialPort->UseMmio = (SerialPortInfo.Type == 1) ? FALSE : TRUE;\r |
422e5d2f GD |
456 | UniversalSerialPort->RegisterBase = SerialPortInfo.BaseAddr;\r |
457 | UniversalSerialPort->BaudRate = SerialPortInfo.Baud;\r | |
458 | UniversalSerialPort->RegisterStride = (UINT8)SerialPortInfo.RegWidth;\r | |
459 | }\r | |
460 | \r | |
461 | // The library constructors might depend on serial port, so call it after serial port hob\r | |
462 | ProcessLibraryConstructorList ();\r | |
e5efcf8b | 463 | DEBUG ((DEBUG_INFO, "sizeof(UINTN) = 0x%x\n", sizeof (UINTN)));\r |
422e5d2f | 464 | \r |
7c4ab1c2 GD |
465 | // Build HOB based on information from Bootloader\r |
466 | Status = BuildHobFromBl ();\r | |
467 | if (EFI_ERROR (Status)) {\r | |
468 | DEBUG ((DEBUG_ERROR, "BuildHobFromBl Status = %r\n", Status));\r | |
469 | return Status;\r | |
470 | }\r | |
471 | \r | |
472 | // Build other HOBs required by DXE\r | |
473 | BuildGenericHob ();\r | |
474 | \r | |
091b6a11 SR |
475 | // Create a HOB to make resources for EDKII modules below 4G\r |
476 | if (!FixedPcdGetBool (PcdDispatchModuleAbove4GMemory)) {\r | |
477 | ForceModulesBelow4G ();\r | |
478 | }\r | |
479 | \r | |
7c4ab1c2 GD |
480 | // Load the DXE Core\r |
481 | Status = LoadDxeCore (&DxeCoreEntryPoint);\r | |
482 | ASSERT_EFI_ERROR (Status);\r | |
483 | \r | |
484 | DEBUG ((DEBUG_INFO, "DxeCoreEntryPoint = 0x%lx\n", DxeCoreEntryPoint));\r | |
485 | \r | |
04af8bf2 DG |
486 | //\r |
487 | // Mask off all legacy 8259 interrupt sources\r | |
488 | //\r | |
489 | IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0xFF);\r | |
e5efcf8b | 490 | IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0xFF);\r |
04af8bf2 | 491 | \r |
e5efcf8b | 492 | Hob.HandoffInformationTable = (EFI_HOB_HANDOFF_INFO_TABLE *)GetFirstHob (EFI_HOB_TYPE_HANDOFF);\r |
7c4ab1c2 GD |
493 | HandOffToDxeCore (DxeCoreEntryPoint, Hob);\r |
494 | \r | |
495 | // Should not get here\r | |
496 | CpuDeadLoop ();\r | |
04af8bf2 DG |
497 | return EFI_SUCCESS;\r |
498 | }\r |