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522203de | 1 | /** @file\r |
2 | OVMF ACPI QEMU support\r | |
3 | \r | |
ce883845 | 4 | Copyright (c) 2008 - 2014, Intel Corporation. All rights reserved.<BR>\r |
14430c55 | 5 | \r |
2d1fe950 | 6 | Copyright (C) 2012-2014, Red Hat, Inc.\r |
14430c55 | 7 | \r |
522203de | 8 | This program and the accompanying materials\r |
9 | are licensed and made available under the terms and conditions of the BSD License\r | |
10 | which accompanies this distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | \r | |
253a2ea7 | 16 | **/\r |
522203de | 17 | \r |
18 | #include "AcpiPlatform.h"\r | |
a618eaa1 | 19 | #include "QemuLoader.h"\r |
255b4184 | 20 | #include <Library/BaseMemoryLib.h>\r |
21 | #include <Library/MemoryAllocationLib.h>\r | |
522203de | 22 | #include <Library/QemuFwCfgLib.h>\r |
57c0beb6 | 23 | #include <Library/DxeServicesTableLib.h>\r |
498f7d8d | 24 | #include <Library/PcdLib.h>\r |
387536e4 | 25 | #include <Library/OrderedCollectionLib.h>\r |
498f7d8d | 26 | #include <IndustryStandard/Acpi.h>\r |
522203de | 27 | \r |
28 | BOOLEAN\r | |
29 | QemuDetected (\r | |
30 | VOID\r | |
31 | )\r | |
32 | {\r | |
33 | if (!QemuFwCfgIsAvailable ()) {\r | |
34 | return FALSE;\r | |
35 | }\r | |
36 | \r | |
37 | return TRUE;\r | |
38 | }\r | |
39 | \r | |
40 | \r | |
498f7d8d | 41 | STATIC\r |
42 | UINTN\r | |
43 | CountBits16 (\r | |
44 | UINT16 Mask\r | |
45 | )\r | |
46 | {\r | |
47 | //\r | |
48 | // For all N >= 1, N bits are enough to represent the number of bits set\r | |
49 | // among N bits. It's true for N == 1. When adding a new bit (N := N+1),\r | |
50 | // the maximum number of possibly set bits increases by one, while the\r | |
51 | // representable maximum doubles.\r | |
52 | //\r | |
53 | Mask = ((Mask & 0xAAAA) >> 1) + (Mask & 0x5555);\r | |
54 | Mask = ((Mask & 0xCCCC) >> 2) + (Mask & 0x3333);\r | |
55 | Mask = ((Mask & 0xF0F0) >> 4) + (Mask & 0x0F0F);\r | |
56 | Mask = ((Mask & 0xFF00) >> 8) + (Mask & 0x00FF);\r | |
57 | \r | |
58 | return Mask;\r | |
59 | }\r | |
60 | \r | |
61 | \r | |
255b4184 | 62 | STATIC\r |
63 | EFI_STATUS\r | |
64 | EFIAPI\r | |
65 | QemuInstallAcpiMadtTable (\r | |
66 | IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol,\r | |
67 | IN VOID *AcpiTableBuffer,\r | |
68 | IN UINTN AcpiTableBufferSize,\r | |
69 | OUT UINTN *TableKey\r | |
70 | )\r | |
71 | {\r | |
498f7d8d | 72 | UINTN CpuCount;\r |
73 | UINTN PciLinkIsoCount;\r | |
74 | UINTN NewBufferSize;\r | |
75 | EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER *Madt;\r | |
76 | EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC_STRUCTURE *LocalApic;\r | |
77 | EFI_ACPI_1_0_IO_APIC_STRUCTURE *IoApic;\r | |
78 | EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE *Iso;\r | |
79 | EFI_ACPI_1_0_LOCAL_APIC_NMI_STRUCTURE *LocalApicNmi;\r | |
80 | VOID *Ptr;\r | |
81 | UINTN Loop;\r | |
82 | EFI_STATUS Status;\r | |
83 | \r | |
84 | ASSERT (AcpiTableBufferSize >= sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
255b4184 | 85 | \r |
86 | QemuFwCfgSelectItem (QemuFwCfgItemSmpCpuCount);\r | |
498f7d8d | 87 | CpuCount = QemuFwCfgRead16 ();\r |
88 | ASSERT (CpuCount >= 1);\r | |
255b4184 | 89 | \r |
90 | //\r | |
498f7d8d | 91 | // Set Level-tiggered, Active High for these identity mapped IRQs. The bitset\r |
92 | // corresponds to the union of all possible interrupt assignments for the LNKA,\r | |
93 | // LNKB, LNKC, LNKD PCI interrupt lines. See the DSDT.\r | |
255b4184 | 94 | //\r |
498f7d8d | 95 | PciLinkIsoCount = CountBits16 (PcdGet16 (Pcd8259LegacyModeEdgeLevel));\r |
255b4184 | 96 | \r |
498f7d8d | 97 | NewBufferSize = 1 * sizeof (*Madt) +\r |
98 | CpuCount * sizeof (*LocalApic) +\r | |
99 | 1 * sizeof (*IoApic) +\r | |
100 | (1 + PciLinkIsoCount) * sizeof (*Iso) +\r | |
101 | 1 * sizeof (*LocalApicNmi);\r | |
255b4184 | 102 | \r |
498f7d8d | 103 | Madt = AllocatePool (NewBufferSize);\r |
104 | if (Madt == NULL) {\r | |
105 | return EFI_OUT_OF_RESOURCES;\r | |
106 | }\r | |
107 | \r | |
ff8dd312 | 108 | CopyMem (&(Madt->Header), AcpiTableBuffer, sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r |
109 | Madt->Header.Length = (UINT32) NewBufferSize;\r | |
498f7d8d | 110 | Madt->LocalApicAddress = PcdGet32 (PcdCpuLocalApicBaseAddress);\r |
111 | Madt->Flags = EFI_ACPI_1_0_PCAT_COMPAT;\r | |
112 | Ptr = Madt + 1;\r | |
113 | \r | |
114 | LocalApic = Ptr;\r | |
115 | for (Loop = 0; Loop < CpuCount; ++Loop) {\r | |
116 | LocalApic->Type = EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC;\r | |
117 | LocalApic->Length = sizeof (*LocalApic);\r | |
ff8dd312 | 118 | LocalApic->AcpiProcessorId = (UINT8) Loop;\r |
119 | LocalApic->ApicId = (UINT8) Loop;\r | |
498f7d8d | 120 | LocalApic->Flags = 1; // enabled\r |
121 | ++LocalApic;\r | |
122 | }\r | |
123 | Ptr = LocalApic;\r | |
124 | \r | |
125 | IoApic = Ptr;\r | |
126 | IoApic->Type = EFI_ACPI_1_0_IO_APIC;\r | |
127 | IoApic->Length = sizeof (*IoApic);\r | |
ff8dd312 | 128 | IoApic->IoApicId = (UINT8) CpuCount;\r |
498f7d8d | 129 | IoApic->Reserved = EFI_ACPI_RESERVED_BYTE;\r |
130 | IoApic->IoApicAddress = 0xFEC00000;\r | |
131 | IoApic->SystemVectorBase = 0x00000000;\r | |
132 | Ptr = IoApic + 1;\r | |
255b4184 | 133 | \r |
134 | //\r | |
498f7d8d | 135 | // IRQ0 (8254 Timer) => IRQ2 (PIC) Interrupt Source Override Structure\r |
255b4184 | 136 | //\r |
498f7d8d | 137 | Iso = Ptr;\r |
138 | Iso->Type = EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE;\r | |
139 | Iso->Length = sizeof (*Iso);\r | |
140 | Iso->Bus = 0x00; // ISA\r | |
141 | Iso->Source = 0x00; // IRQ0\r | |
142 | Iso->GlobalSystemInterruptVector = 0x00000002;\r | |
143 | Iso->Flags = 0x0000; // Conforms to specs of the bus\r | |
144 | ++Iso;\r | |
255b4184 | 145 | \r |
498f7d8d | 146 | //\r |
147 | // Set Level-tiggered, Active High for all possible PCI link targets.\r | |
148 | //\r | |
149 | for (Loop = 0; Loop < 16; ++Loop) {\r | |
150 | if ((PcdGet16 (Pcd8259LegacyModeEdgeLevel) & (1 << Loop)) == 0) {\r | |
151 | continue;\r | |
152 | }\r | |
153 | Iso->Type = EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE;\r | |
154 | Iso->Length = sizeof (*Iso);\r | |
155 | Iso->Bus = 0x00; // ISA\r | |
ff8dd312 | 156 | Iso->Source = (UINT8) Loop;\r |
157 | Iso->GlobalSystemInterruptVector = (UINT32) Loop;\r | |
498f7d8d | 158 | Iso->Flags = 0x000D; // Level-tiggered, Active High\r |
159 | ++Iso;\r | |
160 | }\r | |
161 | ASSERT (\r | |
ff8dd312 | 162 | (UINTN) (Iso - (EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE *)Ptr) ==\r |
498f7d8d | 163 | 1 + PciLinkIsoCount\r |
164 | );\r | |
165 | Ptr = Iso;\r | |
166 | \r | |
167 | LocalApicNmi = Ptr;\r | |
168 | LocalApicNmi->Type = EFI_ACPI_1_0_LOCAL_APIC_NMI;\r | |
169 | LocalApicNmi->Length = sizeof (*LocalApicNmi);\r | |
170 | LocalApicNmi->AcpiProcessorId = 0xFF; // applies to all processors\r | |
171 | //\r | |
172 | // polarity and trigger mode of the APIC I/O input signals conform to the\r | |
173 | // specifications of the bus\r | |
174 | //\r | |
175 | LocalApicNmi->Flags = 0x0000;\r | |
176 | //\r | |
177 | // Local APIC interrupt input LINTn to which NMI is connected.\r | |
178 | //\r | |
179 | LocalApicNmi->LocalApicInti = 0x01;\r | |
180 | Ptr = LocalApicNmi + 1;\r | |
255b4184 | 181 | \r |
ff8dd312 | 182 | ASSERT ((UINTN) ((UINT8 *)Ptr - (UINT8 *)Madt) == NewBufferSize);\r |
498f7d8d | 183 | Status = InstallAcpiTable (AcpiProtocol, Madt, NewBufferSize, TableKey);\r |
255b4184 | 184 | \r |
498f7d8d | 185 | FreePool (Madt);\r |
255b4184 | 186 | \r |
187 | return Status;\r | |
188 | }\r | |
189 | \r | |
190 | \r | |
253a2ea7 | 191 | #pragma pack(1)\r |
192 | \r | |
193 | typedef struct {\r | |
194 | UINT64 Base;\r | |
195 | UINT64 End;\r | |
196 | UINT64 Length;\r | |
197 | } PCI_WINDOW;\r | |
198 | \r | |
199 | typedef struct {\r | |
200 | PCI_WINDOW PciWindow32;\r | |
201 | PCI_WINDOW PciWindow64;\r | |
202 | } FIRMWARE_DATA;\r | |
203 | \r | |
14430c55 | 204 | typedef struct {\r |
3d80db51 | 205 | UINT8 BytePrefix;\r |
206 | UINT8 ByteValue;\r | |
207 | } AML_BYTE;\r | |
208 | \r | |
209 | typedef struct {\r | |
210 | UINT8 NameOp;\r | |
211 | UINT8 RootChar;\r | |
212 | UINT8 NameChar[4];\r | |
213 | UINT8 PackageOp;\r | |
214 | UINT8 PkgLength;\r | |
215 | UINT8 NumElements;\r | |
216 | AML_BYTE Pm1aCntSlpTyp;\r | |
217 | AML_BYTE Pm1bCntSlpTyp;\r | |
218 | AML_BYTE Reserved[2];\r | |
14430c55 | 219 | } SYSTEM_STATE_PACKAGE;\r |
220 | \r | |
253a2ea7 | 221 | #pragma pack()\r |
222 | \r | |
223 | \r | |
224 | STATIC\r | |
225 | EFI_STATUS\r | |
226 | EFIAPI\r | |
227 | PopulateFwData(\r | |
228 | OUT FIRMWARE_DATA *FwData\r | |
229 | )\r | |
230 | {\r | |
57c0beb6 | 231 | EFI_STATUS Status;\r |
232 | UINTN NumDesc;\r | |
233 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR *AllDesc;\r | |
234 | \r | |
235 | Status = gDS->GetMemorySpaceMap (&NumDesc, &AllDesc);\r | |
236 | if (Status == EFI_SUCCESS) {\r | |
237 | UINT64 NonMmio32MaxExclTop;\r | |
238 | UINT64 Mmio32MinBase;\r | |
239 | UINT64 Mmio32MaxExclTop;\r | |
240 | UINTN CurDesc;\r | |
241 | \r | |
242 | Status = EFI_UNSUPPORTED;\r | |
243 | \r | |
244 | NonMmio32MaxExclTop = 0;\r | |
245 | Mmio32MinBase = BASE_4GB;\r | |
246 | Mmio32MaxExclTop = 0;\r | |
247 | \r | |
248 | for (CurDesc = 0; CurDesc < NumDesc; ++CurDesc) {\r | |
249 | CONST EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Desc;\r | |
250 | UINT64 ExclTop;\r | |
251 | \r | |
252 | Desc = &AllDesc[CurDesc];\r | |
253 | ExclTop = Desc->BaseAddress + Desc->Length;\r | |
254 | \r | |
2662fa8d | 255 | if (ExclTop <= (UINT64) PcdGet32 (PcdOvmfFdBaseAddress)) {\r |
57c0beb6 | 256 | switch (Desc->GcdMemoryType) {\r |
257 | case EfiGcdMemoryTypeNonExistent:\r | |
258 | break;\r | |
259 | \r | |
260 | case EfiGcdMemoryTypeReserved:\r | |
261 | case EfiGcdMemoryTypeSystemMemory:\r | |
262 | if (NonMmio32MaxExclTop < ExclTop) {\r | |
263 | NonMmio32MaxExclTop = ExclTop;\r | |
264 | }\r | |
265 | break;\r | |
266 | \r | |
267 | case EfiGcdMemoryTypeMemoryMappedIo:\r | |
268 | if (Mmio32MinBase > Desc->BaseAddress) {\r | |
269 | Mmio32MinBase = Desc->BaseAddress;\r | |
270 | }\r | |
271 | if (Mmio32MaxExclTop < ExclTop) {\r | |
272 | Mmio32MaxExclTop = ExclTop;\r | |
273 | }\r | |
274 | break;\r | |
275 | \r | |
276 | default:\r | |
277 | ASSERT(0);\r | |
278 | }\r | |
279 | }\r | |
280 | }\r | |
281 | \r | |
282 | if (Mmio32MinBase < NonMmio32MaxExclTop) {\r | |
283 | Mmio32MinBase = NonMmio32MaxExclTop;\r | |
284 | }\r | |
285 | \r | |
286 | if (Mmio32MinBase < Mmio32MaxExclTop) {\r | |
287 | FwData->PciWindow32.Base = Mmio32MinBase;\r | |
288 | FwData->PciWindow32.End = Mmio32MaxExclTop - 1;\r | |
289 | FwData->PciWindow32.Length = Mmio32MaxExclTop - Mmio32MinBase;\r | |
290 | \r | |
291 | FwData->PciWindow64.Base = 0;\r | |
292 | FwData->PciWindow64.End = 0;\r | |
293 | FwData->PciWindow64.Length = 0;\r | |
294 | \r | |
295 | Status = EFI_SUCCESS;\r | |
296 | }\r | |
297 | \r | |
298 | FreePool (AllDesc);\r | |
299 | }\r | |
300 | \r | |
301 | DEBUG ((\r | |
302 | DEBUG_INFO,\r | |
303 | "ACPI PciWindow32: Base=0x%08lx End=0x%08lx Length=0x%08lx\n",\r | |
304 | FwData->PciWindow32.Base,\r | |
305 | FwData->PciWindow32.End,\r | |
306 | FwData->PciWindow32.Length\r | |
307 | ));\r | |
308 | DEBUG ((\r | |
309 | DEBUG_INFO,\r | |
310 | "ACPI PciWindow64: Base=0x%08lx End=0x%08lx Length=0x%08lx\n",\r | |
311 | FwData->PciWindow64.Base,\r | |
312 | FwData->PciWindow64.End,\r | |
313 | FwData->PciWindow64.Length\r | |
314 | ));\r | |
315 | \r | |
316 | return Status;\r | |
253a2ea7 | 317 | }\r |
318 | \r | |
319 | \r | |
14430c55 | 320 | STATIC\r |
321 | VOID\r | |
322 | EFIAPI\r | |
323 | GetSuspendStates (\r | |
324 | UINTN *SuspendToRamSize,\r | |
325 | SYSTEM_STATE_PACKAGE *SuspendToRam,\r | |
326 | UINTN *SuspendToDiskSize,\r | |
327 | SYSTEM_STATE_PACKAGE *SuspendToDisk\r | |
328 | )\r | |
329 | {\r | |
330 | STATIC CONST SYSTEM_STATE_PACKAGE Template = {\r | |
331 | 0x08, // NameOp\r | |
332 | '\\', // RootChar\r | |
333 | { '_', 'S', 'x', '_' }, // NameChar[4]\r | |
334 | 0x12, // PackageOp\r | |
3d80db51 | 335 | 0x0A, // PkgLength\r |
336 | 0x04, // NumElements\r | |
337 | { 0x0A, 0x00 }, // Pm1aCntSlpTyp\r | |
338 | { 0x0A, 0x00 }, // Pm1bCntSlpTyp -- we don't support it\r | |
339 | { // Reserved[2]\r | |
340 | { 0x0A, 0x00 },\r | |
341 | { 0x0A, 0x00 }\r | |
342 | }\r | |
14430c55 | 343 | };\r |
344 | RETURN_STATUS Status;\r | |
345 | FIRMWARE_CONFIG_ITEM FwCfgItem;\r | |
346 | UINTN FwCfgSize;\r | |
347 | UINT8 SystemStates[6];\r | |
348 | \r | |
349 | //\r | |
350 | // configure defaults\r | |
351 | //\r | |
352 | *SuspendToRamSize = sizeof Template;\r | |
353 | CopyMem (SuspendToRam, &Template, sizeof Template);\r | |
3d80db51 | 354 | SuspendToRam->NameChar[2] = '3'; // S3\r |
355 | SuspendToRam->Pm1aCntSlpTyp.ByteValue = 1; // PIIX4: STR\r | |
14430c55 | 356 | \r |
357 | *SuspendToDiskSize = sizeof Template;\r | |
358 | CopyMem (SuspendToDisk, &Template, sizeof Template);\r | |
3d80db51 | 359 | SuspendToDisk->NameChar[2] = '4'; // S4\r |
360 | SuspendToDisk->Pm1aCntSlpTyp.ByteValue = 2; // PIIX4: POSCL\r | |
14430c55 | 361 | \r |
362 | //\r | |
363 | // check for overrides\r | |
364 | //\r | |
365 | Status = QemuFwCfgFindFile ("etc/system-states", &FwCfgItem, &FwCfgSize);\r | |
366 | if (Status != RETURN_SUCCESS || FwCfgSize != sizeof SystemStates) {\r | |
367 | DEBUG ((DEBUG_INFO, "ACPI using S3/S4 defaults\n"));\r | |
368 | return;\r | |
369 | }\r | |
370 | QemuFwCfgSelectItem (FwCfgItem);\r | |
371 | QemuFwCfgReadBytes (sizeof SystemStates, SystemStates);\r | |
372 | \r | |
373 | //\r | |
374 | // Each byte corresponds to a system state. In each byte, the MSB tells us\r | |
375 | // whether the given state is enabled. If so, the three LSBs specify the\r | |
376 | // value to be written to the PM control register's SUS_TYP bits.\r | |
377 | //\r | |
378 | if (SystemStates[3] & BIT7) {\r | |
3d80db51 | 379 | SuspendToRam->Pm1aCntSlpTyp.ByteValue =\r |
380 | SystemStates[3] & (BIT2 | BIT1 | BIT0);\r | |
381 | DEBUG ((DEBUG_INFO, "ACPI S3 value: %d\n",\r | |
382 | SuspendToRam->Pm1aCntSlpTyp.ByteValue));\r | |
14430c55 | 383 | } else {\r |
384 | *SuspendToRamSize = 0;\r | |
385 | DEBUG ((DEBUG_INFO, "ACPI S3 disabled\n"));\r | |
386 | }\r | |
387 | \r | |
388 | if (SystemStates[4] & BIT7) {\r | |
3d80db51 | 389 | SuspendToDisk->Pm1aCntSlpTyp.ByteValue =\r |
390 | SystemStates[4] & (BIT2 | BIT1 | BIT0);\r | |
391 | DEBUG ((DEBUG_INFO, "ACPI S4 value: %d\n",\r | |
392 | SuspendToDisk->Pm1aCntSlpTyp.ByteValue));\r | |
14430c55 | 393 | } else {\r |
394 | *SuspendToDiskSize = 0;\r | |
395 | DEBUG ((DEBUG_INFO, "ACPI S4 disabled\n"));\r | |
396 | }\r | |
397 | }\r | |
398 | \r | |
399 | \r | |
253a2ea7 | 400 | STATIC\r |
401 | EFI_STATUS\r | |
402 | EFIAPI\r | |
403 | QemuInstallAcpiSsdtTable (\r | |
404 | IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol,\r | |
405 | IN VOID *AcpiTableBuffer,\r | |
406 | IN UINTN AcpiTableBufferSize,\r | |
407 | OUT UINTN *TableKey\r | |
408 | )\r | |
409 | {\r | |
410 | EFI_STATUS Status;\r | |
411 | FIRMWARE_DATA *FwData;\r | |
412 | \r | |
413 | Status = EFI_OUT_OF_RESOURCES;\r | |
414 | \r | |
415 | FwData = AllocateReservedPool (sizeof (*FwData));\r | |
416 | if (FwData != NULL) {\r | |
14430c55 | 417 | UINTN SuspendToRamSize;\r |
418 | SYSTEM_STATE_PACKAGE SuspendToRam;\r | |
419 | UINTN SuspendToDiskSize;\r | |
420 | SYSTEM_STATE_PACKAGE SuspendToDisk;\r | |
421 | UINTN SsdtSize;\r | |
422 | UINT8 *Ssdt;\r | |
423 | \r | |
424 | GetSuspendStates (&SuspendToRamSize, &SuspendToRam,\r | |
425 | &SuspendToDiskSize, &SuspendToDisk);\r | |
426 | SsdtSize = AcpiTableBufferSize + 17 + SuspendToRamSize + SuspendToDiskSize;\r | |
253a2ea7 | 427 | Ssdt = AllocatePool (SsdtSize);\r |
428 | \r | |
429 | if (Ssdt != NULL) {\r | |
430 | Status = PopulateFwData (FwData);\r | |
431 | \r | |
432 | if (Status == EFI_SUCCESS) {\r | |
433 | UINT8 *SsdtPtr;\r | |
434 | \r | |
435 | SsdtPtr = Ssdt;\r | |
436 | \r | |
437 | CopyMem (SsdtPtr, AcpiTableBuffer, AcpiTableBufferSize);\r | |
438 | SsdtPtr += AcpiTableBufferSize;\r | |
439 | \r | |
440 | //\r | |
441 | // build "OperationRegion(FWDT, SystemMemory, 0x12345678, 0x87654321)"\r | |
442 | //\r | |
443 | *(SsdtPtr++) = 0x5B; // ExtOpPrefix\r | |
444 | *(SsdtPtr++) = 0x80; // OpRegionOp\r | |
445 | *(SsdtPtr++) = 'F';\r | |
446 | *(SsdtPtr++) = 'W';\r | |
447 | *(SsdtPtr++) = 'D';\r | |
448 | *(SsdtPtr++) = 'T';\r | |
449 | *(SsdtPtr++) = 0x00; // SystemMemory\r | |
450 | *(SsdtPtr++) = 0x0C; // DWordPrefix\r | |
451 | \r | |
452 | //\r | |
453 | // no virtual addressing yet, take the four least significant bytes\r | |
454 | //\r | |
455 | CopyMem(SsdtPtr, &FwData, 4);\r | |
456 | SsdtPtr += 4;\r | |
457 | \r | |
458 | *(SsdtPtr++) = 0x0C; // DWordPrefix\r | |
459 | \r | |
460 | *(UINT32*) SsdtPtr = sizeof (*FwData);\r | |
461 | SsdtPtr += 4;\r | |
462 | \r | |
14430c55 | 463 | //\r |
464 | // add suspend system states\r | |
465 | //\r | |
466 | CopyMem (SsdtPtr, &SuspendToRam, SuspendToRamSize);\r | |
467 | SsdtPtr += SuspendToRamSize;\r | |
468 | CopyMem (SsdtPtr, &SuspendToDisk, SuspendToDiskSize);\r | |
469 | SsdtPtr += SuspendToDiskSize;\r | |
470 | \r | |
26af9aca | 471 | ASSERT((UINTN) (SsdtPtr - Ssdt) == SsdtSize);\r |
472 | ((EFI_ACPI_DESCRIPTION_HEADER *) Ssdt)->Length = (UINT32) SsdtSize;\r | |
253a2ea7 | 473 | Status = InstallAcpiTable (AcpiProtocol, Ssdt, SsdtSize, TableKey);\r |
474 | }\r | |
475 | \r | |
476 | FreePool(Ssdt);\r | |
477 | }\r | |
478 | \r | |
479 | if (Status != EFI_SUCCESS) {\r | |
480 | FreePool(FwData);\r | |
481 | }\r | |
482 | }\r | |
483 | \r | |
484 | return Status;\r | |
485 | }\r | |
486 | \r | |
487 | \r | |
522203de | 488 | EFI_STATUS\r |
489 | EFIAPI\r | |
490 | QemuInstallAcpiTable (\r | |
491 | IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol,\r | |
492 | IN VOID *AcpiTableBuffer,\r | |
493 | IN UINTN AcpiTableBufferSize,\r | |
494 | OUT UINTN *TableKey\r | |
495 | )\r | |
496 | {\r | |
255b4184 | 497 | EFI_ACPI_DESCRIPTION_HEADER *Hdr;\r |
498 | EFI_ACPI_TABLE_INSTALL_ACPI_TABLE TableInstallFunction;\r | |
499 | \r | |
500 | Hdr = (EFI_ACPI_DESCRIPTION_HEADER*) AcpiTableBuffer;\r | |
501 | switch (Hdr->Signature) {\r | |
502 | case EFI_ACPI_1_0_APIC_SIGNATURE:\r | |
503 | TableInstallFunction = QemuInstallAcpiMadtTable;\r | |
504 | break;\r | |
253a2ea7 | 505 | case EFI_ACPI_1_0_SECONDARY_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r |
506 | TableInstallFunction = QemuInstallAcpiSsdtTable;\r | |
507 | break;\r | |
255b4184 | 508 | default:\r |
509 | TableInstallFunction = InstallAcpiTable;\r | |
510 | }\r | |
511 | \r | |
512 | return TableInstallFunction (\r | |
522203de | 513 | AcpiProtocol,\r |
514 | AcpiTableBuffer,\r | |
515 | AcpiTableBufferSize,\r | |
516 | TableKey\r | |
517 | );\r | |
518 | }\r |