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da58b0db | 1 | /** @file\r |
2 | Capsule update PEIM for UEFI2.0\r | |
3 | \r | |
0c529615 | 4 | Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>\r |
89a286ce | 5 | Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>\r |
da58b0db | 6 | \r |
9d510e61 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
da58b0db | 8 | \r |
9 | **/\r | |
10 | \r | |
11 | #include "Capsule.h"\r | |
12 | \r | |
d96f83de ZG |
13 | #define DEFAULT_SG_LIST_HEADS (20)\r |
14 | \r | |
4e4f13d2 | 15 | #ifdef MDE_CPU_IA32\r |
ab7017fe | 16 | //\r |
17 | // Global Descriptor Table (GDT)\r | |
18 | //\r | |
19 | GLOBAL_REMOVE_IF_UNREFERENCED IA32_SEGMENT_DESCRIPTOR mGdtEntries[] = {\r | |
20 | /* selector { Global Segment Descriptor } */\r | |
21 | /* 0x00 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, //null descriptor\r | |
22 | /* 0x08 */ {{0xffff, 0, 0, 0x3, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //linear data segment descriptor\r | |
23 | /* 0x10 */ {{0xffff, 0, 0, 0xf, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //linear code segment descriptor\r | |
24 | /* 0x18 */ {{0xffff, 0, 0, 0x3, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //system data segment descriptor\r | |
25 | /* 0x20 */ {{0xffff, 0, 0, 0xb, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //system code segment descriptor\r | |
26 | /* 0x28 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, //spare segment descriptor\r | |
27 | /* 0x30 */ {{0xffff, 0, 0, 0x3, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //system data segment descriptor\r | |
28 | /* 0x38 */ {{0xffff, 0, 0, 0xb, 1, 0, 1, 0xf, 0, 1, 0, 1, 0}}, //system code segment descriptor\r | |
29 | /* 0x40 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, //spare segment descriptor\r | |
30 | };\r | |
31 | \r | |
32 | //\r | |
33 | // IA32 Gdt register\r | |
34 | //\r | |
35 | GLOBAL_REMOVE_IF_UNREFERENCED CONST IA32_DESCRIPTOR mGdt = {\r | |
36 | sizeof (mGdtEntries) - 1,\r | |
37 | (UINTN) mGdtEntries\r | |
38 | };\r | |
da58b0db | 39 | \r |
89a286ce | 40 | \r |
da58b0db | 41 | /**\r |
716087e2 SZ |
42 | The function will check if 1G page is supported.\r |
43 | \r | |
44 | @retval TRUE 1G page is supported.\r | |
45 | @retval FALSE 1G page is not supported.\r | |
46 | \r | |
da58b0db | 47 | **/\r |
716087e2 SZ |
48 | BOOLEAN\r |
49 | IsPage1GSupport (\r | |
ab7017fe | 50 | VOID\r |
da58b0db | 51 | )\r |
52 | {\r | |
c56b6566 JY |
53 | UINT32 RegEax;\r |
54 | UINT32 RegEdx;\r | |
c56b6566 JY |
55 | BOOLEAN Page1GSupport;\r |
56 | \r | |
57 | Page1GSupport = FALSE;\r | |
378175d2 JY |
58 | if (PcdGetBool(PcdUse1GPageTable)) {\r |
59 | AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);\r | |
60 | if (RegEax >= 0x80000001) {\r | |
61 | AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);\r | |
62 | if ((RegEdx & BIT26) != 0) {\r | |
63 | Page1GSupport = TRUE;\r | |
64 | }\r | |
c56b6566 JY |
65 | }\r |
66 | }\r | |
ab7017fe | 67 | \r |
716087e2 SZ |
68 | return Page1GSupport;\r |
69 | }\r | |
70 | \r | |
71 | /**\r | |
72 | Calculate the total size of page table.\r | |
73 | \r | |
74 | @param[in] Page1GSupport 1G page support or not.\r | |
75 | \r | |
76 | @return The size of page table.\r | |
77 | \r | |
78 | **/\r | |
79 | UINTN\r | |
80 | CalculatePageTableSize (\r | |
81 | IN BOOLEAN Page1GSupport\r | |
82 | )\r | |
83 | {\r | |
84 | UINTN ExtraPageTablePages;\r | |
85 | UINTN TotalPagesNum;\r | |
86 | UINT8 PhysicalAddressBits;\r | |
87 | UINT32 NumberOfPml4EntriesNeeded;\r | |
88 | UINT32 NumberOfPdpEntriesNeeded;\r | |
ab7017fe | 89 | \r |
da58b0db | 90 | //\r |
716087e2 SZ |
91 | // Create 4G page table by default,\r |
92 | // and let PF handler to handle > 4G request.\r | |
da58b0db | 93 | //\r |
716087e2 SZ |
94 | PhysicalAddressBits = 32;\r |
95 | ExtraPageTablePages = EXTRA_PAGE_TABLE_PAGES;\r | |
ab7017fe | 96 | \r |
97 | //\r | |
98 | // Calculate the table entries needed.\r | |
99 | //\r | |
100 | if (PhysicalAddressBits <= 39 ) {\r | |
101 | NumberOfPml4EntriesNeeded = 1;\r | |
c56b6566 | 102 | NumberOfPdpEntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 30));\r |
ab7017fe | 103 | } else {\r |
c56b6566 | 104 | NumberOfPml4EntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 39));\r |
ab7017fe | 105 | NumberOfPdpEntriesNeeded = 512;\r |
da58b0db | 106 | }\r |
107 | \r | |
c56b6566 JY |
108 | if (!Page1GSupport) {\r |
109 | TotalPagesNum = (NumberOfPdpEntriesNeeded + 1) * NumberOfPml4EntriesNeeded + 1;\r | |
110 | } else {\r | |
111 | TotalPagesNum = NumberOfPml4EntriesNeeded + 1;\r | |
112 | }\r | |
716087e2 | 113 | TotalPagesNum += ExtraPageTablePages;\r |
ab7017fe | 114 | \r |
115 | return EFI_PAGES_TO_SIZE (TotalPagesNum);\r | |
da58b0db | 116 | }\r |
117 | \r | |
118 | /**\r | |
ab7017fe | 119 | Allocates and fills in the Page Directory and Page Table Entries to\r |
716087e2 | 120 | establish a 4G page table.\r |
da58b0db | 121 | \r |
716087e2 SZ |
122 | @param[in] PageTablesAddress The base address of page table.\r |
123 | @param[in] Page1GSupport 1G page support or not.\r | |
da58b0db | 124 | \r |
125 | **/\r | |
ab7017fe | 126 | VOID\r |
716087e2 SZ |
127 | Create4GPageTables (\r |
128 | IN EFI_PHYSICAL_ADDRESS PageTablesAddress,\r | |
129 | IN BOOLEAN Page1GSupport\r | |
da58b0db | 130 | )\r |
d1102dba | 131 | {\r |
ab7017fe | 132 | UINT8 PhysicalAddressBits;\r |
133 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
134 | UINTN IndexOfPml4Entries;\r | |
135 | UINTN IndexOfPdpEntries;\r | |
136 | UINTN IndexOfPageDirectoryEntries;\r | |
137 | UINT32 NumberOfPml4EntriesNeeded;\r | |
138 | UINT32 NumberOfPdpEntriesNeeded;\r | |
139 | PAGE_MAP_AND_DIRECTORY_POINTER *PageMapLevel4Entry;\r | |
140 | PAGE_MAP_AND_DIRECTORY_POINTER *PageMap;\r | |
141 | PAGE_MAP_AND_DIRECTORY_POINTER *PageDirectoryPointerEntry;\r | |
142 | PAGE_TABLE_ENTRY *PageDirectoryEntry;\r | |
143 | UINTN BigPageAddress;\r | |
c56b6566 | 144 | PAGE_TABLE_1G_ENTRY *PageDirectory1GEntry;\r |
89a286ce LD |
145 | UINT64 AddressEncMask;\r |
146 | \r | |
147 | //\r | |
148 | // Make sure AddressEncMask is contained to smallest supported address field.\r | |
149 | //\r | |
150 | AddressEncMask = PcdGet64 (PcdPteMemoryEncryptionAddressOrMask) & PAGING_1G_ADDRESS_MASK_64;\r | |
c56b6566 | 151 | \r |
ab7017fe | 152 | //\r |
716087e2 SZ |
153 | // Create 4G page table by default,\r |
154 | // and let PF handler to handle > 4G request.\r | |
ab7017fe | 155 | //\r |
716087e2 | 156 | PhysicalAddressBits = 32;\r |
da58b0db | 157 | \r |
158 | //\r | |
ab7017fe | 159 | // Calculate the table entries needed.\r |
160 | //\r | |
161 | if (PhysicalAddressBits <= 39 ) {\r | |
162 | NumberOfPml4EntriesNeeded = 1;\r | |
c56b6566 | 163 | NumberOfPdpEntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 30));\r |
ab7017fe | 164 | } else {\r |
c56b6566 | 165 | NumberOfPml4EntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 39));\r |
ab7017fe | 166 | NumberOfPdpEntriesNeeded = 512;\r |
167 | }\r | |
168 | \r | |
169 | //\r | |
d1102dba | 170 | // Pre-allocate big pages to avoid later allocations.\r |
ab7017fe | 171 | //\r |
172 | BigPageAddress = (UINTN) PageTablesAddress;\r | |
173 | \r | |
174 | //\r | |
175 | // By architecture only one PageMapLevel4 exists - so lets allocate storage for it.\r | |
176 | //\r | |
177 | PageMap = (VOID *) BigPageAddress;\r | |
c56b6566 | 178 | BigPageAddress += SIZE_4KB;\r |
ab7017fe | 179 | \r |
180 | PageMapLevel4Entry = PageMap;\r | |
181 | PageAddress = 0;\r | |
182 | for (IndexOfPml4Entries = 0; IndexOfPml4Entries < NumberOfPml4EntriesNeeded; IndexOfPml4Entries++, PageMapLevel4Entry++) {\r | |
da58b0db | 183 | //\r |
ab7017fe | 184 | // Each PML4 entry points to a page of Page Directory Pointer entires.\r |
185 | // So lets allocate space for them and fill them in in the IndexOfPdpEntries loop.\r | |
da58b0db | 186 | //\r |
ab7017fe | 187 | PageDirectoryPointerEntry = (VOID *) BigPageAddress;\r |
c56b6566 | 188 | BigPageAddress += SIZE_4KB;\r |
da58b0db | 189 | \r |
ab7017fe | 190 | //\r |
191 | // Make a PML4 Entry\r | |
192 | //\r | |
89a286ce | 193 | PageMapLevel4Entry->Uint64 = (UINT64)(UINTN)PageDirectoryPointerEntry | AddressEncMask;\r |
ab7017fe | 194 | PageMapLevel4Entry->Bits.ReadWrite = 1;\r |
195 | PageMapLevel4Entry->Bits.Present = 1;\r | |
196 | \r | |
c56b6566 | 197 | if (Page1GSupport) {\r |
54d3b84e | 198 | PageDirectory1GEntry = (VOID *) PageDirectoryPointerEntry;\r |
d1102dba | 199 | \r |
c56b6566 | 200 | for (IndexOfPageDirectoryEntries = 0; IndexOfPageDirectoryEntries < 512; IndexOfPageDirectoryEntries++, PageDirectory1GEntry++, PageAddress += SIZE_1GB) {\r |
da58b0db | 201 | //\r |
ab7017fe | 202 | // Fill in the Page Directory entries\r |
da58b0db | 203 | //\r |
89a286ce | 204 | PageDirectory1GEntry->Uint64 = (UINT64)PageAddress | AddressEncMask;\r |
c56b6566 JY |
205 | PageDirectory1GEntry->Bits.ReadWrite = 1;\r |
206 | PageDirectory1GEntry->Bits.Present = 1;\r | |
207 | PageDirectory1GEntry->Bits.MustBe1 = 1;\r | |
208 | }\r | |
209 | } else {\r | |
210 | for (IndexOfPdpEntries = 0; IndexOfPdpEntries < NumberOfPdpEntriesNeeded; IndexOfPdpEntries++, PageDirectoryPointerEntry++) {\r | |
211 | //\r | |
212 | // Each Directory Pointer entries points to a page of Page Directory entires.\r | |
213 | // So allocate space for them and fill them in in the IndexOfPageDirectoryEntries loop.\r | |
d1102dba | 214 | //\r |
c56b6566 JY |
215 | PageDirectoryEntry = (VOID *) BigPageAddress;\r |
216 | BigPageAddress += SIZE_4KB;\r | |
217 | \r | |
218 | //\r | |
219 | // Fill in a Page Directory Pointer Entries\r | |
220 | //\r | |
89a286ce | 221 | PageDirectoryPointerEntry->Uint64 = (UINT64)(UINTN)PageDirectoryEntry | AddressEncMask;\r |
c56b6566 JY |
222 | PageDirectoryPointerEntry->Bits.ReadWrite = 1;\r |
223 | PageDirectoryPointerEntry->Bits.Present = 1;\r | |
224 | \r | |
225 | for (IndexOfPageDirectoryEntries = 0; IndexOfPageDirectoryEntries < 512; IndexOfPageDirectoryEntries++, PageDirectoryEntry++, PageAddress += SIZE_2MB) {\r | |
226 | //\r | |
227 | // Fill in the Page Directory entries\r | |
228 | //\r | |
89a286ce | 229 | PageDirectoryEntry->Uint64 = (UINT64)PageAddress | AddressEncMask;\r |
c56b6566 JY |
230 | PageDirectoryEntry->Bits.ReadWrite = 1;\r |
231 | PageDirectoryEntry->Bits.Present = 1;\r | |
232 | PageDirectoryEntry->Bits.MustBe1 = 1;\r | |
233 | }\r | |
234 | }\r | |
ab7017fe | 235 | \r |
c56b6566 JY |
236 | for (; IndexOfPdpEntries < 512; IndexOfPdpEntries++, PageDirectoryPointerEntry++) {\r |
237 | ZeroMem (\r | |
238 | PageDirectoryPointerEntry,\r | |
239 | sizeof(PAGE_MAP_AND_DIRECTORY_POINTER)\r | |
240 | );\r | |
da58b0db | 241 | }\r |
da58b0db | 242 | }\r |
243 | }\r | |
244 | \r | |
ab7017fe | 245 | //\r |
246 | // For the PML4 entries we are not using fill in a null entry.\r | |
ab7017fe | 247 | //\r |
248 | for (; IndexOfPml4Entries < 512; IndexOfPml4Entries++, PageMapLevel4Entry++) {\r | |
c56b6566 JY |
249 | ZeroMem (\r |
250 | PageMapLevel4Entry,\r | |
251 | sizeof (PAGE_MAP_AND_DIRECTORY_POINTER)\r | |
252 | );\r | |
ab7017fe | 253 | }\r |
254 | }\r | |
255 | \r | |
256 | /**\r | |
257 | Return function from long mode to 32-bit mode.\r | |
258 | \r | |
259 | @param EntrypointContext Context for mode switching\r | |
260 | @param ReturnContext Context for mode switching\r | |
261 | \r | |
262 | **/\r | |
263 | VOID\r | |
264 | ReturnFunction (\r | |
265 | SWITCH_32_TO_64_CONTEXT *EntrypointContext,\r | |
266 | SWITCH_64_TO_32_CONTEXT *ReturnContext\r | |
267 | )\r | |
716087e2 | 268 | {\r |
ab7017fe | 269 | //\r |
270 | // Restore original GDT\r | |
271 | //\r | |
272 | AsmWriteGdtr (&ReturnContext->Gdtr);\r | |
716087e2 | 273 | \r |
ab7017fe | 274 | //\r |
275 | // return to original caller\r | |
276 | //\r | |
277 | LongJump ((BASE_LIBRARY_JUMP_BUFFER *)(UINTN)EntrypointContext->JumpBuffer, 1);\r | |
716087e2 | 278 | \r |
ab7017fe | 279 | //\r |
280 | // never be here\r | |
716087e2 | 281 | //\r |
ab7017fe | 282 | ASSERT (FALSE);\r |
283 | }\r | |
284 | \r | |
285 | /**\r | |
286 | Thunk function from 32-bit protection mode to long mode.\r | |
287 | \r | |
288 | @param PageTableAddress Page table base address\r | |
289 | @param Context Context for mode switching\r | |
290 | @param ReturnContext Context for mode switching\r | |
291 | \r | |
292 | @retval EFI_SUCCESS Function successfully executed.\r | |
293 | \r | |
294 | **/\r | |
295 | EFI_STATUS\r | |
296 | Thunk32To64 (\r | |
297 | EFI_PHYSICAL_ADDRESS PageTableAddress,\r | |
298 | SWITCH_32_TO_64_CONTEXT *Context,\r | |
299 | SWITCH_64_TO_32_CONTEXT *ReturnContext\r | |
300 | )\r | |
301 | {\r | |
302 | UINTN SetJumpFlag;\r | |
303 | EFI_STATUS Status;\r | |
304 | \r | |
305 | //\r | |
306 | // Save return address, LongJump will return here then\r | |
307 | //\r | |
308 | SetJumpFlag = SetJump ((BASE_LIBRARY_JUMP_BUFFER *) (UINTN) Context->JumpBuffer);\r | |
309 | \r | |
310 | if (SetJumpFlag == 0) {\r | |
311 | \r | |
da58b0db | 312 | //\r |
716087e2 | 313 | // Build 4G Page Tables.\r |
da58b0db | 314 | //\r |
716087e2 SZ |
315 | Create4GPageTables (PageTableAddress, Context->Page1GSupport);\r |
316 | \r | |
ab7017fe | 317 | //\r |
318 | // Create 64-bit GDT\r | |
319 | //\r | |
320 | AsmWriteGdtr (&mGdt);\r | |
da58b0db | 321 | \r |
ab7017fe | 322 | //\r |
323 | // Write CR3\r | |
324 | //\r | |
325 | AsmWriteCr3 ((UINTN) PageTableAddress);\r | |
326 | \r | |
6fb389d0 JF |
327 | DEBUG ((\r |
328 | DEBUG_INFO,\r | |
329 | "%a() Stack Base: 0x%lx, Stack Size: 0x%lx\n",\r | |
330 | __FUNCTION__,\r | |
331 | Context->StackBufferBase,\r | |
332 | Context->StackBufferLength\r | |
333 | ));\r | |
334 | \r | |
933d80a1 | 335 | //\r |
336 | // Disable interrupt of Debug timer, since the IDT table cannot work in long mode\r | |
337 | //\r | |
338 | SaveAndSetDebugTimerInterrupt (FALSE);\r | |
ab7017fe | 339 | //\r |
340 | // Transfer to long mode\r | |
341 | //\r | |
342 | AsmEnablePaging64 (\r | |
343 | 0x38,\r | |
344 | (UINT64) Context->EntryPoint,\r | |
345 | (UINT64)(UINTN) Context,\r | |
346 | (UINT64)(UINTN) ReturnContext,\r | |
347 | Context->StackBufferBase + Context->StackBufferLength\r | |
348 | );\r | |
349 | }\r | |
716087e2 | 350 | \r |
ab7017fe | 351 | //\r |
352 | // Convert to 32-bit Status and return\r | |
353 | //\r | |
354 | Status = EFI_SUCCESS;\r | |
355 | if ((UINTN) ReturnContext->ReturnStatus != 0) {\r | |
356 | Status = ENCODE_ERROR ((UINTN) ReturnContext->ReturnStatus);\r | |
357 | }\r | |
d1102dba | 358 | \r |
ab7017fe | 359 | return Status;\r |
da58b0db | 360 | }\r |
361 | \r | |
ab7017fe | 362 | /**\r |
363 | If in 32 bit protection mode, and coalesce image is of X64, switch to long mode.\r | |
364 | \r | |
365 | @param LongModeBuffer The context of long mode.\r | |
366 | @param CoalesceEntry Entry of coalesce image.\r | |
367 | @param BlockListAddr Address of block list.\r | |
359cb1a3 | 368 | @param MemoryResource Pointer to the buffer of memory resource descriptor.\r |
ab7017fe | 369 | @param MemoryBase Base of memory range.\r |
370 | @param MemorySize Size of memory range.\r | |
371 | \r | |
372 | @retval EFI_SUCCESS Successfully switched to long mode and execute coalesce.\r | |
373 | @retval Others Failed to execute coalesce in long mode.\r | |
374 | \r | |
375 | **/\r | |
376 | EFI_STATUS\r | |
377 | ModeSwitch (\r | |
378 | IN EFI_CAPSULE_LONG_MODE_BUFFER *LongModeBuffer,\r | |
379 | IN COALESCE_ENTRY CoalesceEntry,\r | |
380 | IN EFI_PHYSICAL_ADDRESS BlockListAddr,\r | |
359cb1a3 | 381 | IN MEMORY_RESOURCE_DESCRIPTOR *MemoryResource,\r |
ab7017fe | 382 | IN OUT VOID **MemoryBase,\r |
383 | IN OUT UINTN *MemorySize\r | |
384 | )\r | |
385 | {\r | |
386 | EFI_STATUS Status;\r | |
387 | EFI_PHYSICAL_ADDRESS MemoryBase64;\r | |
388 | UINT64 MemorySize64;\r | |
389 | EFI_PHYSICAL_ADDRESS MemoryEnd64;\r | |
390 | SWITCH_32_TO_64_CONTEXT Context;\r | |
391 | SWITCH_64_TO_32_CONTEXT ReturnContext;\r | |
392 | BASE_LIBRARY_JUMP_BUFFER JumpBuffer;\r | |
393 | EFI_PHYSICAL_ADDRESS ReservedRangeBase;\r | |
394 | EFI_PHYSICAL_ADDRESS ReservedRangeEnd;\r | |
716087e2 | 395 | BOOLEAN Page1GSupport;\r |
ab7017fe | 396 | \r |
397 | ZeroMem (&Context, sizeof (SWITCH_32_TO_64_CONTEXT));\r | |
398 | ZeroMem (&ReturnContext, sizeof (SWITCH_64_TO_32_CONTEXT));\r | |
d1102dba | 399 | \r |
ab7017fe | 400 | MemoryBase64 = (UINT64) (UINTN) *MemoryBase;\r |
401 | MemorySize64 = (UINT64) (UINTN) *MemorySize;\r | |
402 | MemoryEnd64 = MemoryBase64 + MemorySize64;\r | |
403 | \r | |
716087e2 SZ |
404 | Page1GSupport = IsPage1GSupport ();\r |
405 | \r | |
ab7017fe | 406 | //\r |
d1102dba | 407 | // Merge memory range reserved for stack and page table\r |
ab7017fe | 408 | //\r |
409 | if (LongModeBuffer->StackBaseAddress < LongModeBuffer->PageTableAddress) {\r | |
410 | ReservedRangeBase = LongModeBuffer->StackBaseAddress;\r | |
716087e2 | 411 | ReservedRangeEnd = LongModeBuffer->PageTableAddress + CalculatePageTableSize (Page1GSupport);\r |
ab7017fe | 412 | } else {\r |
413 | ReservedRangeBase = LongModeBuffer->PageTableAddress;\r | |
414 | ReservedRangeEnd = LongModeBuffer->StackBaseAddress + LongModeBuffer->StackSize;\r | |
415 | }\r | |
716087e2 | 416 | \r |
ab7017fe | 417 | //\r |
418 | // Check if memory range reserved is overlap with MemoryBase ~ MemoryBase + MemorySize.\r | |
419 | // If they are overlapped, get a larger range to process capsule data.\r | |
420 | //\r | |
421 | if (ReservedRangeBase <= MemoryBase64) {\r | |
422 | if (ReservedRangeEnd < MemoryEnd64) {\r | |
423 | MemoryBase64 = ReservedRangeEnd;\r | |
424 | } else {\r | |
85b01932 | 425 | DEBUG ((DEBUG_ERROR, "Memory is not enough to process capsule!\n"));\r |
ab7017fe | 426 | return EFI_OUT_OF_RESOURCES;\r |
427 | }\r | |
428 | } else if (ReservedRangeBase < MemoryEnd64) {\r | |
429 | if (ReservedRangeEnd < MemoryEnd64 &&\r | |
430 | ReservedRangeBase - MemoryBase64 < MemoryEnd64 - ReservedRangeEnd) {\r | |
431 | MemoryBase64 = ReservedRangeEnd;\r | |
432 | } else {\r | |
433 | MemorySize64 = (UINT64)(UINTN)(ReservedRangeBase - MemoryBase64);\r | |
434 | }\r | |
716087e2 SZ |
435 | }\r |
436 | \r | |
ab7017fe | 437 | //\r |
438 | // Initialize context jumping to 64-bit enviroment\r | |
439 | //\r | |
440 | Context.JumpBuffer = (EFI_PHYSICAL_ADDRESS)(UINTN)&JumpBuffer;\r | |
441 | Context.StackBufferBase = LongModeBuffer->StackBaseAddress;\r | |
442 | Context.StackBufferLength = LongModeBuffer->StackSize;\r | |
443 | Context.EntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)CoalesceEntry;\r | |
444 | Context.BlockListAddr = BlockListAddr;\r | |
359cb1a3 | 445 | Context.MemoryResource = (EFI_PHYSICAL_ADDRESS)(UINTN)MemoryResource;\r |
ab7017fe | 446 | Context.MemoryBase64Ptr = (EFI_PHYSICAL_ADDRESS)(UINTN)&MemoryBase64;\r |
447 | Context.MemorySize64Ptr = (EFI_PHYSICAL_ADDRESS)(UINTN)&MemorySize64;\r | |
716087e2 | 448 | Context.Page1GSupport = Page1GSupport;\r |
89a286ce | 449 | Context.AddressEncMask = PcdGet64 (PcdPteMemoryEncryptionAddressOrMask) & PAGING_1G_ADDRESS_MASK_64;\r |
ab7017fe | 450 | \r |
451 | //\r | |
452 | // Prepare data for return back\r | |
453 | //\r | |
454 | ReturnContext.ReturnCs = 0x10;\r | |
455 | ReturnContext.ReturnEntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)ReturnFunction;\r | |
456 | //\r | |
457 | // Will save the return status of processing capsule\r | |
458 | //\r | |
459 | ReturnContext.ReturnStatus = 0;\r | |
d1102dba | 460 | \r |
ab7017fe | 461 | //\r |
462 | // Save original GDT\r | |
463 | //\r | |
464 | AsmReadGdtr ((IA32_DESCRIPTOR *)&ReturnContext.Gdtr);\r | |
d1102dba | 465 | \r |
ab7017fe | 466 | Status = Thunk32To64 (LongModeBuffer->PageTableAddress, &Context, &ReturnContext);\r |
d1102dba | 467 | \r |
ab7017fe | 468 | if (!EFI_ERROR (Status)) {\r |
469 | *MemoryBase = (VOID *) (UINTN) MemoryBase64;\r | |
470 | *MemorySize = (UINTN) MemorySize64;\r | |
471 | }\r | |
472 | \r | |
473 | return Status;\r | |
474 | \r | |
475 | }\r | |
da58b0db | 476 | \r |
4e4f13d2 | 477 | /**\r |
478 | Locates the coalesce image entry point, and detects its machine type.\r | |
479 | \r | |
480 | @param CoalesceImageEntryPoint Pointer to coalesce image entry point for output.\r | |
481 | @param CoalesceImageMachineType Pointer to machine type of coalesce image.\r | |
482 | \r | |
483 | @retval EFI_SUCCESS Coalesce image successfully located.\r | |
484 | @retval Others Failed to locate the coalesce image.\r | |
485 | \r | |
486 | **/\r | |
487 | EFI_STATUS\r | |
488 | FindCapsuleCoalesceImage (\r | |
489 | OUT EFI_PHYSICAL_ADDRESS *CoalesceImageEntryPoint,\r | |
490 | OUT UINT16 *CoalesceImageMachineType\r | |
491 | )\r | |
492 | {\r | |
493 | EFI_STATUS Status;\r | |
494 | UINTN Instance;\r | |
495 | EFI_PEI_LOAD_FILE_PPI *LoadFile;\r | |
496 | EFI_PEI_FV_HANDLE VolumeHandle;\r | |
497 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
498 | EFI_PHYSICAL_ADDRESS CoalesceImageAddress;\r | |
499 | UINT64 CoalesceImageSize;\r | |
500 | UINT32 AuthenticationState;\r | |
501 | \r | |
502 | Instance = 0;\r | |
503 | \r | |
504 | while (TRUE) {\r | |
505 | Status = PeiServicesFfsFindNextVolume (Instance++, &VolumeHandle);\r | |
506 | if (EFI_ERROR (Status)) {\r | |
507 | return Status;\r | |
508 | }\r | |
509 | Status = PeiServicesFfsFindFileByName (PcdGetPtr(PcdCapsuleCoalesceFile), VolumeHandle, &FileHandle);\r | |
510 | if (!EFI_ERROR (Status)) {\r | |
511 | Status = PeiServicesLocatePpi (&gEfiPeiLoadFilePpiGuid, 0, NULL, (VOID **) &LoadFile);\r | |
512 | ASSERT_EFI_ERROR (Status);\r | |
513 | \r | |
514 | Status = LoadFile->LoadFile (\r | |
515 | LoadFile,\r | |
516 | FileHandle,\r | |
517 | &CoalesceImageAddress,\r | |
518 | &CoalesceImageSize,\r | |
519 | CoalesceImageEntryPoint,\r | |
520 | &AuthenticationState\r | |
521 | );\r | |
522 | if (EFI_ERROR (Status)) {\r | |
85b01932 | 523 | DEBUG ((DEBUG_ERROR, "Unable to find PE32 section in CapsuleX64 image ffs %r!\n", Status));\r |
4e4f13d2 | 524 | return Status;\r |
525 | }\r | |
526 | *CoalesceImageMachineType = PeCoffLoaderGetMachineType ((VOID *) (UINTN) CoalesceImageAddress);\r | |
527 | break;\r | |
528 | } else {\r | |
529 | continue;\r | |
530 | }\r | |
531 | }\r | |
532 | \r | |
533 | return Status;\r | |
534 | }\r | |
535 | \r | |
716087e2 SZ |
536 | /**\r |
537 | Gets the reserved long mode buffer.\r | |
538 | \r | |
539 | @param LongModeBuffer Pointer to the long mode buffer for output.\r | |
540 | \r | |
541 | @retval EFI_SUCCESS Long mode buffer successfully retrieved.\r | |
542 | @retval Others Variable storing long mode buffer not found.\r | |
543 | \r | |
544 | **/\r | |
545 | EFI_STATUS\r | |
546 | GetLongModeContext (\r | |
547 | OUT EFI_CAPSULE_LONG_MODE_BUFFER *LongModeBuffer\r | |
548 | )\r | |
549 | {\r | |
550 | EFI_STATUS Status;\r | |
551 | UINTN Size;\r | |
552 | EFI_PEI_READ_ONLY_VARIABLE2_PPI *PPIVariableServices;\r | |
553 | \r | |
554 | Status = PeiServicesLocatePpi (\r | |
555 | &gEfiPeiReadOnlyVariable2PpiGuid,\r | |
556 | 0,\r | |
557 | NULL,\r | |
558 | (VOID **) &PPIVariableServices\r | |
559 | );\r | |
560 | ASSERT_EFI_ERROR (Status);\r | |
561 | \r | |
562 | Size = sizeof (EFI_CAPSULE_LONG_MODE_BUFFER);\r | |
563 | Status = PPIVariableServices->GetVariable (\r | |
564 | PPIVariableServices,\r | |
565 | EFI_CAPSULE_LONG_MODE_BUFFER_NAME,\r | |
566 | &gEfiCapsuleVendorGuid,\r | |
567 | NULL,\r | |
568 | &Size,\r | |
569 | LongModeBuffer\r | |
570 | );\r | |
571 | if (EFI_ERROR (Status)) {\r | |
85b01932 | 572 | DEBUG (( DEBUG_ERROR, "Error Get LongModeBuffer variable %r!\n", Status));\r |
716087e2 SZ |
573 | }\r |
574 | return Status;\r | |
575 | }\r | |
4e4f13d2 | 576 | #endif\r |
577 | \r | |
359cb1a3 SZ |
578 | #if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)\r |
579 | /**\r | |
580 | Get physical address bits.\r | |
581 | \r | |
582 | @return Physical address bits.\r | |
583 | \r | |
584 | **/\r | |
585 | UINT8\r | |
586 | GetPhysicalAddressBits (\r | |
587 | VOID\r | |
588 | )\r | |
589 | {\r | |
590 | UINT32 RegEax;\r | |
591 | UINT8 PhysicalAddressBits;\r | |
592 | VOID *Hob;\r | |
593 | \r | |
594 | //\r | |
595 | // Get physical address bits supported.\r | |
596 | //\r | |
597 | Hob = GetFirstHob (EFI_HOB_TYPE_CPU);\r | |
598 | if (Hob != NULL) {\r | |
599 | PhysicalAddressBits = ((EFI_HOB_CPU *) Hob)->SizeOfMemorySpace;\r | |
600 | } else {\r | |
601 | AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);\r | |
602 | if (RegEax >= 0x80000008) {\r | |
603 | AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);\r | |
604 | PhysicalAddressBits = (UINT8) RegEax;\r | |
605 | } else {\r | |
606 | PhysicalAddressBits = 36;\r | |
607 | }\r | |
608 | }\r | |
609 | \r | |
610 | //\r | |
611 | // IA-32e paging translates 48-bit linear addresses to 52-bit physical addresses.\r | |
612 | //\r | |
613 | ASSERT (PhysicalAddressBits <= 52);\r | |
614 | if (PhysicalAddressBits > 48) {\r | |
615 | PhysicalAddressBits = 48;\r | |
616 | }\r | |
617 | \r | |
618 | return PhysicalAddressBits;\r | |
619 | }\r | |
620 | #endif\r | |
621 | \r | |
032de38a SZ |
622 | /**\r |
623 | Sort memory resource entries based upon PhysicalStart, from low to high.\r | |
624 | \r | |
625 | @param[in, out] MemoryResource A pointer to the memory resource entry buffer.\r | |
626 | \r | |
627 | **/\r | |
628 | VOID\r | |
629 | SortMemoryResourceDescriptor (\r | |
630 | IN OUT MEMORY_RESOURCE_DESCRIPTOR *MemoryResource\r | |
631 | )\r | |
632 | {\r | |
633 | MEMORY_RESOURCE_DESCRIPTOR *MemoryResourceEntry;\r | |
634 | MEMORY_RESOURCE_DESCRIPTOR *NextMemoryResourceEntry;\r | |
635 | MEMORY_RESOURCE_DESCRIPTOR TempMemoryResource;\r | |
636 | \r | |
637 | MemoryResourceEntry = MemoryResource;\r | |
638 | NextMemoryResourceEntry = MemoryResource + 1;\r | |
639 | while (MemoryResourceEntry->ResourceLength != 0) {\r | |
640 | while (NextMemoryResourceEntry->ResourceLength != 0) {\r | |
641 | if (MemoryResourceEntry->PhysicalStart > NextMemoryResourceEntry->PhysicalStart) {\r | |
642 | CopyMem (&TempMemoryResource, MemoryResourceEntry, sizeof (MEMORY_RESOURCE_DESCRIPTOR));\r | |
643 | CopyMem (MemoryResourceEntry, NextMemoryResourceEntry, sizeof (MEMORY_RESOURCE_DESCRIPTOR));\r | |
644 | CopyMem (NextMemoryResourceEntry, &TempMemoryResource, sizeof (MEMORY_RESOURCE_DESCRIPTOR));\r | |
645 | }\r | |
646 | \r | |
647 | NextMemoryResourceEntry = NextMemoryResourceEntry + 1;\r | |
648 | }\r | |
649 | \r | |
650 | MemoryResourceEntry = MemoryResourceEntry + 1;\r | |
651 | NextMemoryResourceEntry = MemoryResourceEntry + 1;\r | |
652 | }\r | |
653 | }\r | |
654 | \r | |
655 | /**\r | |
656 | Merge continous memory resource entries.\r | |
657 | \r | |
658 | @param[in, out] MemoryResource A pointer to the memory resource entry buffer.\r | |
659 | \r | |
660 | **/\r | |
661 | VOID\r | |
662 | MergeMemoryResourceDescriptor (\r | |
663 | IN OUT MEMORY_RESOURCE_DESCRIPTOR *MemoryResource\r | |
664 | )\r | |
665 | {\r | |
666 | MEMORY_RESOURCE_DESCRIPTOR *MemoryResourceEntry;\r | |
667 | MEMORY_RESOURCE_DESCRIPTOR *NewMemoryResourceEntry;\r | |
668 | MEMORY_RESOURCE_DESCRIPTOR *NextMemoryResourceEntry;\r | |
669 | MEMORY_RESOURCE_DESCRIPTOR *MemoryResourceEnd;\r | |
670 | \r | |
671 | MemoryResourceEntry = MemoryResource;\r | |
672 | NewMemoryResourceEntry = MemoryResource;\r | |
673 | while (MemoryResourceEntry->ResourceLength != 0) {\r | |
674 | CopyMem (NewMemoryResourceEntry, MemoryResourceEntry, sizeof (MEMORY_RESOURCE_DESCRIPTOR));\r | |
675 | NextMemoryResourceEntry = MemoryResourceEntry + 1;\r | |
676 | \r | |
677 | while ((NextMemoryResourceEntry->ResourceLength != 0) &&\r | |
678 | (NextMemoryResourceEntry->PhysicalStart == (MemoryResourceEntry->PhysicalStart + MemoryResourceEntry->ResourceLength))) {\r | |
679 | MemoryResourceEntry->ResourceLength += NextMemoryResourceEntry->ResourceLength;\r | |
680 | if (NewMemoryResourceEntry != MemoryResourceEntry) {\r | |
681 | NewMemoryResourceEntry->ResourceLength += NextMemoryResourceEntry->ResourceLength;\r | |
682 | }\r | |
d1102dba | 683 | \r |
032de38a SZ |
684 | NextMemoryResourceEntry = NextMemoryResourceEntry + 1;\r |
685 | }\r | |
686 | \r | |
687 | MemoryResourceEntry = NextMemoryResourceEntry;\r | |
688 | NewMemoryResourceEntry = NewMemoryResourceEntry + 1;\r | |
689 | }\r | |
690 | \r | |
691 | //\r | |
692 | // Set NULL terminate memory resource descriptor after merging.\r | |
693 | //\r | |
694 | MemoryResourceEnd = NewMemoryResourceEntry;\r | |
695 | ZeroMem (MemoryResourceEnd, sizeof (MEMORY_RESOURCE_DESCRIPTOR));\r | |
696 | }\r | |
697 | \r | |
359cb1a3 SZ |
698 | /**\r |
699 | Build memory resource descriptor from resource descriptor in HOB list.\r | |
700 | \r | |
701 | @return Pointer to the buffer of memory resource descriptor.\r | |
702 | NULL if no memory resource descriptor reported in HOB list\r | |
703 | before capsule Coalesce.\r | |
704 | \r | |
705 | **/\r | |
706 | MEMORY_RESOURCE_DESCRIPTOR *\r | |
707 | BuildMemoryResourceDescriptor (\r | |
708 | VOID\r | |
709 | )\r | |
710 | {\r | |
711 | EFI_PEI_HOB_POINTERS Hob;\r | |
712 | UINTN Index;\r | |
713 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceDescriptor;\r | |
714 | MEMORY_RESOURCE_DESCRIPTOR *MemoryResource;\r | |
715 | EFI_STATUS Status;\r | |
716 | \r | |
717 | //\r | |
718 | // Get the count of memory resource descriptor.\r | |
719 | //\r | |
720 | Index = 0;\r | |
721 | Hob.Raw = GetFirstHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR);\r | |
722 | while (Hob.Raw != NULL) {\r | |
723 | ResourceDescriptor = (EFI_HOB_RESOURCE_DESCRIPTOR *) Hob.Raw;\r | |
724 | if (ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
725 | Index++;\r | |
726 | }\r | |
727 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
728 | Hob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, Hob.Raw);\r | |
729 | }\r | |
730 | \r | |
731 | if (Index == 0) {\r | |
85b01932 | 732 | DEBUG ((DEBUG_INFO | DEBUG_WARN, "No memory resource descriptor reported in HOB list before capsule Coalesce\n"));\r |
359cb1a3 SZ |
733 | #if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)\r |
734 | //\r | |
735 | // Allocate memory to hold memory resource descriptor,\r | |
736 | // include extra one NULL terminate memory resource descriptor.\r | |
737 | //\r | |
738 | Status = PeiServicesAllocatePool ((1 + 1) * sizeof (MEMORY_RESOURCE_DESCRIPTOR), (VOID **) &MemoryResource);\r | |
739 | ASSERT_EFI_ERROR (Status);\r | |
740 | ZeroMem (MemoryResource, (1 + 1) * sizeof (MEMORY_RESOURCE_DESCRIPTOR));\r | |
d1102dba | 741 | \r |
359cb1a3 SZ |
742 | MemoryResource[0].PhysicalStart = 0;\r |
743 | MemoryResource[0].ResourceLength = LShiftU64 (1, GetPhysicalAddressBits ());\r | |
85b01932 | 744 | DEBUG ((DEBUG_INFO, "MemoryResource[0x0] - Start(0x%0lx) Length(0x%0lx)\n",\r |
359cb1a3 SZ |
745 | MemoryResource[0x0].PhysicalStart, MemoryResource[0x0].ResourceLength));\r |
746 | return MemoryResource;\r | |
747 | #else\r | |
748 | return NULL;\r | |
749 | #endif\r | |
750 | }\r | |
751 | \r | |
752 | //\r | |
753 | // Allocate memory to hold memory resource descriptor,\r | |
754 | // include extra one NULL terminate memory resource descriptor.\r | |
755 | //\r | |
756 | Status = PeiServicesAllocatePool ((Index + 1) * sizeof (MEMORY_RESOURCE_DESCRIPTOR), (VOID **) &MemoryResource);\r | |
757 | ASSERT_EFI_ERROR (Status);\r | |
758 | ZeroMem (MemoryResource, (Index + 1) * sizeof (MEMORY_RESOURCE_DESCRIPTOR));\r | |
759 | \r | |
760 | //\r | |
761 | // Get the content of memory resource descriptor.\r | |
762 | //\r | |
763 | Index = 0;\r | |
764 | Hob.Raw = GetFirstHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR);\r | |
765 | while (Hob.Raw != NULL) {\r | |
766 | ResourceDescriptor = (EFI_HOB_RESOURCE_DESCRIPTOR *) Hob.Raw;\r | |
767 | if (ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
85b01932 | 768 | DEBUG ((DEBUG_INFO, "MemoryResource[0x%x] - Start(0x%0lx) Length(0x%0lx)\n",\r |
359cb1a3 SZ |
769 | Index, ResourceDescriptor->PhysicalStart, ResourceDescriptor->ResourceLength));\r |
770 | MemoryResource[Index].PhysicalStart = ResourceDescriptor->PhysicalStart;\r | |
771 | MemoryResource[Index].ResourceLength = ResourceDescriptor->ResourceLength;\r | |
772 | Index++;\r | |
773 | }\r | |
774 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
775 | Hob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, Hob.Raw);\r | |
776 | }\r | |
777 | \r | |
032de38a SZ |
778 | SortMemoryResourceDescriptor (MemoryResource);\r |
779 | MergeMemoryResourceDescriptor (MemoryResource);\r | |
780 | \r | |
781 | DEBUG ((DEBUG_INFO, "Dump MemoryResource[] after sorted and merged\n"));\r | |
782 | for (Index = 0; MemoryResource[Index].ResourceLength != 0; Index++) {\r | |
783 | DEBUG ((\r | |
784 | DEBUG_INFO,\r | |
785 | " MemoryResource[0x%x] - Start(0x%0lx) Length(0x%0lx)\n",\r | |
786 | Index,\r | |
787 | MemoryResource[Index].PhysicalStart,\r | |
788 | MemoryResource[Index].ResourceLength\r | |
789 | ));\r | |
790 | }\r | |
791 | \r | |
359cb1a3 SZ |
792 | return MemoryResource;\r |
793 | }\r | |
794 | \r | |
da58b0db | 795 | /**\r |
27052c21 | 796 | Check if the capsules are staged.\r |
da58b0db | 797 | \r |
f654a18b ZG |
798 | @retval TRUE The capsules are staged.\r |
799 | @retval FALSE The capsules are not staged.\r | |
da58b0db | 800 | \r |
da58b0db | 801 | **/\r |
f654a18b | 802 | BOOLEAN\r |
0c529615 | 803 | AreCapsulesStaged (\r |
f654a18b | 804 | VOID\r |
27052c21 BB |
805 | )\r |
806 | {\r | |
807 | EFI_STATUS Status;\r | |
808 | UINTN Size;\r | |
809 | EFI_PEI_READ_ONLY_VARIABLE2_PPI *PPIVariableServices;\r | |
f654a18b | 810 | EFI_PHYSICAL_ADDRESS CapsuleDataPtr64;\r |
27052c21 | 811 | \r |
f654a18b | 812 | CapsuleDataPtr64 = 0;\r |
27052c21 BB |
813 | \r |
814 | Status = PeiServicesLocatePpi(\r | |
815 | &gEfiPeiReadOnlyVariable2PpiGuid,\r | |
816 | 0,\r | |
817 | NULL,\r | |
818 | (VOID **)&PPIVariableServices\r | |
819 | );\r | |
820 | \r | |
821 | if (EFI_ERROR (Status)) {\r | |
822 | DEBUG ((DEBUG_ERROR, "Failed to find ReadOnlyVariable2PPI\n"));\r | |
f654a18b | 823 | return FALSE;\r |
27052c21 BB |
824 | }\r |
825 | \r | |
826 | //\r | |
827 | // Check for Update capsule\r | |
828 | //\r | |
829 | Size = sizeof (CapsuleDataPtr64);\r | |
830 | Status = PPIVariableServices->GetVariable (\r | |
831 | PPIVariableServices,\r | |
832 | EFI_CAPSULE_VARIABLE_NAME,\r | |
833 | &gEfiCapsuleVendorGuid,\r | |
834 | NULL,\r | |
835 | &Size,\r | |
836 | (VOID *)&CapsuleDataPtr64\r | |
837 | );\r | |
838 | \r | |
839 | if (!EFI_ERROR (Status)) {\r | |
f654a18b | 840 | return TRUE;\r |
27052c21 BB |
841 | }\r |
842 | \r | |
f654a18b | 843 | return FALSE;\r |
27052c21 BB |
844 | }\r |
845 | \r | |
27052c21 BB |
846 | /**\r |
847 | Check all the variables for SG list heads and get the count and addresses.\r | |
848 | \r | |
849 | @param ListLength A pointer would return the SG list length.\r | |
850 | @param HeadList A ponter to the capsule SG list.\r | |
851 | \r | |
852 | @retval EFI_SUCCESS a valid capsule is present\r | |
853 | @retval EFI_NOT_FOUND if a valid capsule is not present\r | |
854 | @retval EFI_INVALID_PARAMETER the input parameter is invalid\r | |
855 | @retval EFI_OUT_OF_RESOURCES fail to allocate memory\r | |
856 | \r | |
857 | **/\r | |
858 | EFI_STATUS\r | |
0c529615 | 859 | GetScatterGatherHeadEntries (\r |
27052c21 BB |
860 | OUT UINTN *ListLength,\r |
861 | OUT EFI_PHYSICAL_ADDRESS **HeadList\r | |
da58b0db | 862 | )\r |
863 | {\r | |
d96f83de ZG |
864 | EFI_STATUS Status;\r |
865 | UINTN Size;\r | |
866 | UINTN Index;\r | |
867 | UINTN TempIndex;\r | |
868 | UINTN ValidIndex;\r | |
869 | BOOLEAN Flag;\r | |
870 | CHAR16 CapsuleVarName[30];\r | |
871 | CHAR16 *TempVarName;\r | |
872 | EFI_PHYSICAL_ADDRESS CapsuleDataPtr64;\r | |
873 | EFI_PEI_READ_ONLY_VARIABLE2_PPI *PPIVariableServices;\r | |
874 | EFI_PHYSICAL_ADDRESS *TempList;\r | |
875 | EFI_PHYSICAL_ADDRESS *EnlargedTempList;\r | |
876 | UINTN TempListLength;\r | |
da58b0db | 877 | \r |
da58b0db | 878 | Index = 0;\r |
879 | TempVarName = NULL;\r | |
880 | CapsuleVarName[0] = 0;\r | |
881 | ValidIndex = 0;\r | |
34717ef0 | 882 | CapsuleDataPtr64 = 0;\r |
d1102dba | 883 | \r |
27052c21 BB |
884 | if ((ListLength == NULL) || (HeadList == NULL)) {\r |
885 | DEBUG ((DEBUG_ERROR, "%a Invalid parameters. Inputs can't be NULL\n", __FUNCTION__));\r | |
886 | ASSERT (ListLength != NULL);\r | |
887 | ASSERT (HeadList != NULL);\r | |
888 | return EFI_INVALID_PARAMETER;\r | |
889 | }\r | |
890 | \r | |
891 | *ListLength = 0;\r | |
892 | *HeadList = NULL;\r | |
893 | \r | |
da58b0db | 894 | Status = PeiServicesLocatePpi (\r |
895 | &gEfiPeiReadOnlyVariable2PpiGuid,\r | |
896 | 0,\r | |
897 | NULL,\r | |
27052c21 | 898 | (VOID **)&PPIVariableServices\r |
da58b0db | 899 | );\r |
27052c21 BB |
900 | \r |
901 | if (EFI_ERROR (Status)) {\r | |
902 | DEBUG ((DEBUG_ERROR, "Failed to find ReadOnlyVariable2PPI\n"));\r | |
903 | return Status;\r | |
904 | }\r | |
905 | \r | |
d96f83de ZG |
906 | //\r |
907 | // Allocate memory for sg list head\r | |
908 | //\r | |
909 | TempListLength = DEFAULT_SG_LIST_HEADS * sizeof (EFI_PHYSICAL_ADDRESS);\r | |
910 | TempList = AllocateZeroPool (TempListLength);\r | |
911 | if (TempList == NULL) {\r | |
912 | DEBUG((DEBUG_ERROR, "Failed to allocate memory\n"));\r | |
913 | return EFI_OUT_OF_RESOURCES;\r | |
914 | }\r | |
915 | \r | |
27052c21 BB |
916 | //\r |
917 | // setup var name buffer for update capsules\r | |
918 | //\r | |
919 | StrCpyS (CapsuleVarName, sizeof (CapsuleVarName) / sizeof (CHAR16), EFI_CAPSULE_VARIABLE_NAME);\r | |
920 | TempVarName = CapsuleVarName + StrLen (CapsuleVarName);\r | |
d96f83de | 921 | while (TRUE) {\r |
27052c21 BB |
922 | if (Index != 0) {\r |
923 | UnicodeValueToStringS (\r | |
924 | TempVarName,\r | |
be5903ad | 925 | (sizeof (CapsuleVarName) - ((UINTN)TempVarName - (UINTN)CapsuleVarName)),\r |
27052c21 BB |
926 | 0,\r |
927 | Index,\r | |
928 | 0\r | |
929 | );\r | |
930 | }\r | |
da58b0db | 931 | Size = sizeof (CapsuleDataPtr64);\r |
27052c21 BB |
932 | Status = PPIVariableServices->GetVariable (\r |
933 | PPIVariableServices,\r | |
934 | CapsuleVarName,\r | |
935 | &gEfiCapsuleVendorGuid,\r | |
936 | NULL,\r | |
937 | &Size,\r | |
938 | (VOID *)&CapsuleDataPtr64\r | |
939 | );\r | |
d1102dba | 940 | \r |
27052c21 BB |
941 | if (EFI_ERROR (Status)) {\r |
942 | if (Status != EFI_NOT_FOUND) {\r | |
943 | DEBUG ((DEBUG_ERROR, "Unexpected error getting Capsule Update variable. Status = %r\n"));\r | |
da58b0db | 944 | }\r |
27052c21 BB |
945 | break;\r |
946 | }\r | |
d1102dba | 947 | \r |
27052c21 BB |
948 | //\r |
949 | // If this BlockList has been linked before, skip this variable\r | |
950 | //\r | |
951 | Flag = FALSE;\r | |
952 | for (TempIndex = 0; TempIndex < ValidIndex; TempIndex++) {\r | |
953 | if (TempList[TempIndex] == CapsuleDataPtr64) {\r | |
954 | Flag = TRUE;\r | |
955 | break;\r | |
956 | }\r | |
da58b0db | 957 | }\r |
27052c21 BB |
958 | if (Flag) {\r |
959 | Index++;\r | |
960 | continue;\r | |
961 | }\r | |
962 | \r | |
d96f83de ZG |
963 | //\r |
964 | // The TempList is full, enlarge it\r | |
965 | //\r | |
966 | if ((ValidIndex + 1) >= TempListLength) {\r | |
967 | EnlargedTempList = AllocateZeroPool (TempListLength * 2);\r | |
846b1652 ZG |
968 | if (EnlargedTempList == NULL) {\r |
969 | DEBUG ((DEBUG_ERROR, "Fail to allocate memory!\n"));\r | |
970 | return EFI_OUT_OF_RESOURCES;\r | |
971 | }\r | |
d96f83de ZG |
972 | CopyMem (EnlargedTempList, TempList, TempListLength);\r |
973 | FreePool (TempList);\r | |
974 | TempList = EnlargedTempList;\r | |
975 | TempListLength *= 2;\r | |
976 | }\r | |
977 | \r | |
27052c21 BB |
978 | //\r |
979 | // add it to the cached list\r | |
980 | //\r | |
981 | TempList[ValidIndex++] = CapsuleDataPtr64;\r | |
982 | Index++;\r | |
983 | }\r | |
984 | \r | |
985 | if (ValidIndex == 0) {\r | |
986 | DEBUG ((DEBUG_ERROR, "%a didn't find any SG lists in variables\n", __FUNCTION__));\r | |
987 | return EFI_NOT_FOUND;\r | |
988 | }\r | |
989 | \r | |
990 | *HeadList = AllocateZeroPool ((ValidIndex + 1) * sizeof (EFI_PHYSICAL_ADDRESS));\r | |
991 | if (*HeadList == NULL) {\r | |
992 | DEBUG ((DEBUG_ERROR, "Failed to allocate memory\n"));\r | |
993 | return EFI_OUT_OF_RESOURCES;\r | |
da58b0db | 994 | }\r |
d1102dba | 995 | \r |
27052c21 BB |
996 | CopyMem (*HeadList, TempList, (ValidIndex) * sizeof (EFI_PHYSICAL_ADDRESS));\r |
997 | *ListLength = ValidIndex;\r | |
998 | \r | |
da58b0db | 999 | return EFI_SUCCESS;\r |
1000 | }\r | |
1001 | \r | |
da58b0db | 1002 | /**\r |
1003 | Capsule PPI service to coalesce a fragmented capsule in memory.\r | |
1004 | \r | |
da58b0db | 1005 | @param PeiServices General purpose services available to every PEIM.\r |
1006 | @param MemoryBase Pointer to the base of a block of memory that we can walk\r | |
1007 | all over while trying to coalesce our buffers.\r | |
1008 | On output, this variable will hold the base address of\r | |
1009 | a coalesced capsule.\r | |
1010 | @param MemorySize Size of the memory region pointed to by MemoryBase.\r | |
1011 | On output, this variable will contain the size of the\r | |
1012 | coalesced capsule.\r | |
1013 | \r | |
1014 | @retval EFI_NOT_FOUND if we can't determine the boot mode\r | |
1015 | if the boot mode is not flash-update\r | |
1016 | if we could not find the capsule descriptors\r | |
1017 | \r | |
1018 | @retval EFI_BUFFER_TOO_SMALL\r | |
1019 | if we could not coalesce the capsule in the memory\r | |
1020 | region provided to us\r | |
1021 | \r | |
1022 | @retval EFI_SUCCESS if there's no capsule, or if we processed the\r | |
1023 | capsule successfully.\r | |
1024 | **/\r | |
1025 | EFI_STATUS\r | |
1026 | EFIAPI\r | |
1027 | CapsuleCoalesce (\r | |
1028 | IN EFI_PEI_SERVICES **PeiServices,\r | |
1029 | IN OUT VOID **MemoryBase,\r | |
1030 | IN OUT UINTN *MemorySize\r | |
1031 | )\r | |
1032 | {\r | |
ab7017fe | 1033 | EFI_STATUS Status;\r |
1034 | EFI_BOOT_MODE BootMode;\r | |
27052c21 | 1035 | UINTN ListLength;\r |
ab7017fe | 1036 | EFI_PHYSICAL_ADDRESS *VariableArrayAddress;\r |
359cb1a3 | 1037 | MEMORY_RESOURCE_DESCRIPTOR *MemoryResource;\r |
ab7017fe | 1038 | #ifdef MDE_CPU_IA32\r |
1039 | UINT16 CoalesceImageMachineType;\r | |
1040 | EFI_PHYSICAL_ADDRESS CoalesceImageEntryPoint;\r | |
1041 | COALESCE_ENTRY CoalesceEntry;\r | |
1042 | EFI_CAPSULE_LONG_MODE_BUFFER LongModeBuffer;\r | |
1043 | #endif\r | |
1044 | \r | |
27052c21 BB |
1045 | ListLength = 0;\r |
1046 | VariableArrayAddress = NULL;\r | |
da58b0db | 1047 | \r |
1048 | //\r | |
1049 | // Someone should have already ascertained the boot mode. If it's not\r | |
1050 | // capsule update, then return normally.\r | |
1051 | //\r | |
1052 | Status = PeiServicesGetBootMode (&BootMode);\r | |
1053 | if (EFI_ERROR (Status) || (BootMode != BOOT_ON_FLASH_UPDATE)) {\r | |
85b01932 | 1054 | DEBUG ((DEBUG_ERROR, "Boot mode is not correct for capsule update path.\n"));\r |
ab7017fe | 1055 | Status = EFI_NOT_FOUND;\r |
1056 | goto Done;\r | |
da58b0db | 1057 | }\r |
d1102dba | 1058 | \r |
da58b0db | 1059 | //\r |
27052c21 | 1060 | // Get SG list entries\r |
da58b0db | 1061 | //\r |
27052c21 | 1062 | Status = GetScatterGatherHeadEntries (&ListLength, &VariableArrayAddress);\r |
846b1652 | 1063 | if (EFI_ERROR (Status) || VariableArrayAddress == NULL) {\r |
27052c21 | 1064 | DEBUG ((DEBUG_ERROR, "%a failed to get Scatter Gather List Head Entries. Status = %r\n", __FUNCTION__, Status));\r |
ab7017fe | 1065 | goto Done;\r |
da58b0db | 1066 | }\r |
1067 | \r | |
359cb1a3 SZ |
1068 | MemoryResource = BuildMemoryResourceDescriptor ();\r |
1069 | \r | |
ab7017fe | 1070 | #ifdef MDE_CPU_IA32\r |
1071 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r | |
da58b0db | 1072 | //\r |
ab7017fe | 1073 | // Switch to 64-bit mode to process capsule data when:\r |
1074 | // 1. When DXE phase is 64-bit\r | |
1075 | // 2. When the buffer for 64-bit transition exists\r | |
1076 | // 3. When Capsule X64 image is built in BIOS image\r | |
1077 | // In 64-bit mode, we can process capsule data above 4GB.\r | |
da58b0db | 1078 | //\r |
ab7017fe | 1079 | CoalesceImageEntryPoint = 0;\r |
1080 | Status = GetLongModeContext (&LongModeBuffer);\r | |
1081 | if (EFI_ERROR (Status)) {\r | |
85b01932 | 1082 | DEBUG ((DEBUG_ERROR, "Fail to find the variable for long mode context!\n"));\r |
ab7017fe | 1083 | Status = EFI_NOT_FOUND;\r |
1084 | goto Done;\r | |
da58b0db | 1085 | }\r |
d1102dba | 1086 | \r |
ab7017fe | 1087 | Status = FindCapsuleCoalesceImage (&CoalesceImageEntryPoint, &CoalesceImageMachineType);\r |
1088 | if ((EFI_ERROR (Status)) || (CoalesceImageMachineType != EFI_IMAGE_MACHINE_X64)) {\r | |
85b01932 | 1089 | DEBUG ((DEBUG_ERROR, "Fail to find CapsuleX64 module in FV!\n"));\r |
ab7017fe | 1090 | Status = EFI_NOT_FOUND;\r |
1091 | goto Done;\r | |
da58b0db | 1092 | }\r |
ab7017fe | 1093 | ASSERT (CoalesceImageEntryPoint != 0);\r |
1094 | CoalesceEntry = (COALESCE_ENTRY) (UINTN) CoalesceImageEntryPoint;\r | |
359cb1a3 | 1095 | Status = ModeSwitch (&LongModeBuffer, CoalesceEntry, (EFI_PHYSICAL_ADDRESS)(UINTN)VariableArrayAddress, MemoryResource, MemoryBase, MemorySize);\r |
ab7017fe | 1096 | } else {\r |
da58b0db | 1097 | //\r |
ab7017fe | 1098 | // Capsule is processed in IA32 mode.\r |
da58b0db | 1099 | //\r |
359cb1a3 | 1100 | Status = CapsuleDataCoalesce (PeiServices, (EFI_PHYSICAL_ADDRESS *)(UINTN)VariableArrayAddress, MemoryResource, MemoryBase, MemorySize);\r |
da58b0db | 1101 | }\r |
ab7017fe | 1102 | #else\r |
da58b0db | 1103 | //\r |
ab7017fe | 1104 | // Process capsule directly.\r |
da58b0db | 1105 | //\r |
359cb1a3 | 1106 | Status = CapsuleDataCoalesce (PeiServices, (EFI_PHYSICAL_ADDRESS *)(UINTN)VariableArrayAddress, MemoryResource, MemoryBase, MemorySize);\r |
ab7017fe | 1107 | #endif\r |
d1102dba | 1108 | \r |
85b01932 | 1109 | DEBUG ((DEBUG_INFO, "Capsule Coalesce Status = %r!\n", Status));\r |
da58b0db | 1110 | \r |
ab7017fe | 1111 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
85b01932 | 1112 | DEBUG ((DEBUG_ERROR, "There is not enough memory to process capsule!\n"));\r |
ab7017fe | 1113 | }\r |
d1102dba | 1114 | \r |
ab7017fe | 1115 | if (Status == EFI_NOT_FOUND) {\r |
85b01932 | 1116 | DEBUG ((DEBUG_ERROR, "Fail to parse capsule descriptor in memory!\n"));\r |
ab7017fe | 1117 | REPORT_STATUS_CODE (\r |
1118 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
1119 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_INVALID_CAPSULE_DESCRIPTOR)\r | |
1120 | );\r | |
1121 | }\r | |
da58b0db | 1122 | \r |
ab7017fe | 1123 | Done:\r |
da58b0db | 1124 | return Status;\r |
1125 | }\r | |
1126 | \r | |
1127 | /**\r | |
1128 | Determine if we're in capsule update boot mode.\r | |
1129 | \r | |
1130 | @param PeiServices PEI services table\r | |
1131 | \r | |
1132 | @retval EFI_SUCCESS if we have a capsule available\r | |
1133 | @retval EFI_NOT_FOUND no capsule detected\r | |
1134 | \r | |
1135 | **/\r | |
1136 | EFI_STATUS\r | |
1137 | EFIAPI\r | |
1138 | CheckCapsuleUpdate (\r | |
1139 | IN EFI_PEI_SERVICES **PeiServices\r | |
1140 | )\r | |
1141 | {\r | |
f654a18b ZG |
1142 | if (AreCapsulesStaged ()) {\r |
1143 | return EFI_SUCCESS;\r | |
1144 | } else {\r | |
1145 | return EFI_NOT_FOUND;\r | |
27052c21 | 1146 | }\r |
da58b0db | 1147 | }\r |
1148 | /**\r | |
d1102dba | 1149 | This function will look at a capsule and determine if it's a test pattern.\r |
da58b0db | 1150 | If it is, then it will verify it and emit an error message if corruption is detected.\r |
d1102dba | 1151 | \r |
da58b0db | 1152 | @param PeiServices Standard pei services pointer\r |
1153 | @param CapsuleBase Base address of coalesced capsule, which is preceeded\r | |
1154 | by private data. Very implementation specific.\r | |
1155 | \r | |
1156 | @retval TRUE Capsule image is the test image\r | |
1157 | @retval FALSE Capsule image is not the test image.\r | |
1158 | \r | |
1159 | **/\r | |
1160 | BOOLEAN\r | |
1161 | CapsuleTestPattern (\r | |
1162 | IN EFI_PEI_SERVICES **PeiServices,\r | |
1163 | IN VOID *CapsuleBase\r | |
1164 | )\r | |
1165 | {\r | |
1166 | UINT32 *TestPtr;\r | |
1167 | UINT32 TestCounter;\r | |
1168 | UINT32 TestSize;\r | |
1169 | BOOLEAN RetValue;\r | |
1170 | \r | |
1171 | RetValue = FALSE;\r | |
1172 | \r | |
1173 | //\r | |
1174 | // Look at the capsule data and determine if it's a test pattern. If it\r | |
1175 | // is, then test it now.\r | |
1176 | //\r | |
1177 | TestPtr = (UINT32 *) CapsuleBase;\r | |
ab7017fe | 1178 | //\r |
1179 | // 0x54534554 "TEST"\r | |
1180 | //\r | |
1181 | if (*TestPtr == 0x54534554) {\r | |
da58b0db | 1182 | RetValue = TRUE;\r |
85b01932 | 1183 | DEBUG ((DEBUG_INFO, "Capsule test pattern mode activated...\n"));\r |
da58b0db | 1184 | TestSize = TestPtr[1] / sizeof (UINT32);\r |
1185 | //\r | |
1186 | // Skip over the signature and the size fields in the pattern data header\r | |
1187 | //\r | |
1188 | TestPtr += 2;\r | |
1189 | TestCounter = 0;\r | |
1190 | while (TestSize > 0) {\r | |
1191 | if (*TestPtr != TestCounter) {\r | |
85b01932 | 1192 | DEBUG ((DEBUG_INFO, "Capsule test pattern mode FAILED: BaseAddr/FailAddr 0x%X 0x%X\n", (UINT32)(UINTN)(EFI_CAPSULE_PEIM_PRIVATE_DATA *)CapsuleBase, (UINT32)(UINTN)TestPtr));\r |
da58b0db | 1193 | return TRUE;\r |
1194 | }\r | |
1195 | \r | |
1196 | TestPtr++;\r | |
1197 | TestCounter++;\r | |
1198 | TestSize--;\r | |
1199 | }\r | |
1200 | \r | |
85b01932 | 1201 | DEBUG ((DEBUG_INFO, "Capsule test pattern mode SUCCESS\n"));\r |
da58b0db | 1202 | }\r |
1203 | \r | |
1204 | return RetValue;\r | |
1205 | }\r | |
1206 | \r | |
1207 | /**\r | |
1208 | Capsule PPI service that gets called after memory is available. The\r | |
1209 | capsule coalesce function, which must be called first, returns a base\r | |
1210 | address and size, which can be anything actually. Once the memory init\r | |
1211 | PEIM has discovered memory, then it should call this function and pass in\r | |
1212 | the base address and size returned by the coalesce function. Then this\r | |
1213 | function can create a capsule HOB and return.\r | |
1214 | \r | |
1215 | @param PeiServices standard pei services pointer\r | |
1216 | @param CapsuleBase address returned by the capsule coalesce function. Most\r | |
1217 | likely this will actually be a pointer to private data.\r | |
1218 | @param CapsuleSize value returned by the capsule coalesce function.\r | |
1219 | \r | |
1220 | @retval EFI_VOLUME_CORRUPTED CapsuleBase does not appear to point to a\r | |
1221 | coalesced capsule\r | |
1222 | @retval EFI_SUCCESS if all goes well.\r | |
1223 | **/\r | |
1224 | EFI_STATUS\r | |
1225 | EFIAPI\r | |
1226 | CreateState (\r | |
1227 | IN EFI_PEI_SERVICES **PeiServices,\r | |
1228 | IN VOID *CapsuleBase,\r | |
1229 | IN UINTN CapsuleSize\r | |
1230 | )\r | |
1231 | {\r | |
1232 | EFI_STATUS Status;\r | |
1233 | EFI_CAPSULE_PEIM_PRIVATE_DATA *PrivateData;\r | |
1234 | UINTN Size;\r | |
1235 | EFI_PHYSICAL_ADDRESS NewBuffer;\r | |
ff284c56 | 1236 | UINTN CapsuleNumber;\r |
da58b0db | 1237 | UINT32 Index;\r |
1238 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
1239 | UINT64 Length;\r | |
d1102dba | 1240 | \r |
da58b0db | 1241 | PrivateData = (EFI_CAPSULE_PEIM_PRIVATE_DATA *) CapsuleBase;\r |
1242 | if (PrivateData->Signature != EFI_CAPSULE_PEIM_PRIVATE_DATA_SIGNATURE) {\r | |
1243 | return EFI_VOLUME_CORRUPTED;\r | |
1244 | }\r | |
ff284c56 | 1245 | if (PrivateData->CapsuleAllImageSize >= MAX_ADDRESS) {\r |
85b01932 | 1246 | DEBUG ((DEBUG_ERROR, "CapsuleAllImageSize too big - 0x%lx\n", PrivateData->CapsuleAllImageSize));\r |
ff284c56 JY |
1247 | return EFI_OUT_OF_RESOURCES;\r |
1248 | }\r | |
1249 | if (PrivateData->CapsuleNumber >= MAX_ADDRESS) {\r | |
85b01932 | 1250 | DEBUG ((DEBUG_ERROR, "CapsuleNumber too big - 0x%lx\n", PrivateData->CapsuleNumber));\r |
ff284c56 JY |
1251 | return EFI_OUT_OF_RESOURCES;\r |
1252 | }\r | |
da58b0db | 1253 | //\r |
1254 | // Capsule Number and Capsule Offset is in the tail of Capsule data.\r | |
1255 | //\r | |
ff284c56 JY |
1256 | Size = (UINTN)PrivateData->CapsuleAllImageSize;\r |
1257 | CapsuleNumber = (UINTN)PrivateData->CapsuleNumber;\r | |
da58b0db | 1258 | //\r |
1259 | // Allocate the memory so that it gets preserved into DXE\r | |
1260 | //\r | |
1261 | Status = PeiServicesAllocatePages (\r | |
1262 | EfiRuntimeServicesData,\r | |
1263 | EFI_SIZE_TO_PAGES (Size),\r | |
1264 | &NewBuffer\r | |
1265 | );\r | |
1266 | \r | |
1267 | if (Status != EFI_SUCCESS) {\r | |
85b01932 | 1268 | DEBUG ((DEBUG_ERROR, "AllocatePages Failed!\n"));\r |
da58b0db | 1269 | return Status;\r |
1270 | }\r | |
1271 | //\r | |
1272 | // Copy to our new buffer for DXE\r | |
1273 | //\r | |
85b01932 | 1274 | DEBUG ((DEBUG_INFO, "Capsule copy from 0x%8X to 0x%8X with size 0x%8X\n", (UINTN)((UINT8 *)PrivateData + sizeof(EFI_CAPSULE_PEIM_PRIVATE_DATA) + (CapsuleNumber - 1) * sizeof(UINT64)), (UINTN) NewBuffer, Size));\r |
ff284c56 | 1275 | CopyMem ((VOID *) (UINTN) NewBuffer, (VOID *) (UINTN) ((UINT8 *)PrivateData + sizeof(EFI_CAPSULE_PEIM_PRIVATE_DATA) + (CapsuleNumber - 1) * sizeof(UINT64)), Size);\r |
da58b0db | 1276 | //\r |
1277 | // Check for test data pattern. If it is the test pattern, then we'll\r | |
ed3ff1ac | 1278 | // test it and still create the HOB so that it can be used to verify\r |
da58b0db | 1279 | // that capsules don't get corrupted all the way into BDS. BDS will\r |
1280 | // still try to turn it into a firmware volume, but will think it's\r | |
1281 | // corrupted so nothing will happen.\r | |
1282 | //\r | |
1283 | DEBUG_CODE (\r | |
1284 | CapsuleTestPattern (PeiServices, (VOID *) (UINTN) NewBuffer);\r | |
1285 | );\r | |
1286 | \r | |
1287 | //\r | |
1288 | // Build the UEFI Capsule Hob for each capsule image.\r | |
1289 | //\r | |
1290 | for (Index = 0; Index < CapsuleNumber; Index ++) {\r | |
ff284c56 | 1291 | BaseAddress = NewBuffer + PrivateData->CapsuleOffset[Index];\r |
da58b0db | 1292 | Length = ((EFI_CAPSULE_HEADER *)((UINTN) BaseAddress))->CapsuleImageSize;\r |
1293 | \r | |
1294 | BuildCvHob (BaseAddress, Length);\r | |
1295 | }\r | |
d1102dba | 1296 | \r |
da58b0db | 1297 | return EFI_SUCCESS;\r |
1298 | }\r | |
1299 | \r | |
09d46995 | 1300 | CONST EFI_PEI_CAPSULE_PPI mCapsulePpi = {\r |
da58b0db | 1301 | CapsuleCoalesce,\r |
1302 | CheckCapsuleUpdate,\r | |
1303 | CreateState\r | |
1304 | };\r | |
1305 | \r | |
1306 | CONST EFI_PEI_PPI_DESCRIPTOR mUefiPpiListCapsule = {\r | |
1307 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
09d46995 LG |
1308 | &gEfiPeiCapsulePpiGuid,\r |
1309 | (EFI_PEI_CAPSULE_PPI *) &mCapsulePpi\r | |
da58b0db | 1310 | };\r |
1311 | \r | |
1312 | /**\r | |
1313 | Entry point function for the PEIM\r | |
1314 | \r | |
1315 | @param FileHandle Handle of the file being invoked.\r | |
1316 | @param PeiServices Describes the list of possible PEI Services.\r | |
1317 | \r | |
1318 | @return EFI_SUCCESS If we installed our PPI\r | |
1319 | \r | |
1320 | **/\r | |
1321 | EFI_STATUS\r | |
1322 | EFIAPI\r | |
1323 | CapsuleMain (\r | |
1324 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
1325 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
1326 | )\r | |
1327 | {\r | |
1328 | //\r | |
1329 | // Just produce our PPI\r | |
1330 | //\r | |
1331 | return PeiServicesInstallPpi (&mUefiPpiListCapsule);\r | |
1332 | }\r |