projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 1f569620 | 1 | /** @file\r |
| e48e0742 | 2 | This module produces the EFI_PEI_S3_RESUME2_PPI.\r |
| 1f569620 | 3 | This module works with StandAloneBootScriptExecutor to S3 resume to OS.\r |
| 438f1766 | 4 | This module will execute the boot script saved during last boot and after that,\r |
| 1f569620 | 5 | control is passed to OS waking up handler.\r |
| 6 | \r | |
| 582e4e44 | 7 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
| 787a085b | 8 | Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>\r |
| 1f569620 | 9 | \r |
| 10 | This program and the accompanying materials\r | |
| 11 | are licensed and made available under the terms and conditions\r | |
| 12 | of the BSD License which accompanies this distribution. The\r | |
| 13 | full text of the license may be found at\r | |
| 14 | http://opensource.org/licenses/bsd-license.php\r | |
| 15 | \r | |
| 16 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 17 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 18 | \r | |
| 19 | **/\r | |
| 20 | \r | |
| 21 | #include <PiPei.h>\r | |
| 22 | \r | |
| 23 | #include <Guid/AcpiS3Context.h>\r | |
| 24 | #include <Guid/BootScriptExecutorVariable.h>\r | |
| 582e4e44 | 25 | #include <Guid/ExtendedFirmwarePerformance.h>\r |
| a85e7127 | 26 | #include <Guid/EndOfS3Resume.h>\r |
| 5b29e438 | 27 | #include <Guid/S3SmmInitDone.h>\r |
| 1f569620 | 28 | #include <Ppi/ReadOnlyVariable2.h>\r |
| 29 | #include <Ppi/S3Resume2.h>\r | |
| 30 | #include <Ppi/SmmAccess.h>\r | |
| 31 | #include <Ppi/PostBootScriptTable.h>\r | |
| 32 | #include <Ppi/EndOfPeiPhase.h>\r | |
| 18b13fab ED |
33 | #include <Ppi/SmmCommunication.h>\r |
| 34 | \r | |
| 1f569620 | 35 | #include <Library/DebugLib.h>\r |
| 36 | #include <Library/BaseLib.h>\r | |
| 37 | #include <Library/TimerLib.h>\r | |
| 38 | #include <Library/PeimEntryPoint.h>\r | |
| 39 | #include <Library/PeiServicesLib.h>\r | |
| 40 | #include <Library/HobLib.h>\r | |
| 41 | #include <Library/PerformanceLib.h>\r | |
| 42 | #include <Library/PeiServicesTablePointerLib.h>\r | |
| 43 | #include <Library/IoLib.h>\r | |
| 44 | #include <Library/BaseMemoryLib.h>\r | |
| 45 | #include <Library/MemoryAllocationLib.h>\r | |
| 46 | #include <Library/PcdLib.h>\r | |
| 47 | #include <Library/DebugAgentLib.h>\r | |
| 48 | #include <Library/LocalApicLib.h>\r | |
| 49 | #include <Library/ReportStatusCodeLib.h>\r | |
| 50 | #include <Library/PrintLib.h>\r | |
| c56b6566 | 51 | #include <Library/HobLib.h>\r |
| 1f569620 | 52 | #include <Library/LockBoxLib.h>\r |
| 53 | #include <IndustryStandard/Acpi.h>\r | |
| 54 | \r | |
| f98f5ec3 LE |
55 | /**\r |
| 56 | This macro aligns the address of a variable with auto storage\r | |
| 57 | duration down to CPU_STACK_ALIGNMENT.\r | |
| 58 | \r | |
| 59 | Since the stack grows downward, the result preserves more of the\r | |
| 60 | stack than the original address (or the same amount), not less.\r | |
| 61 | **/\r | |
| 62 | #define STACK_ALIGN_DOWN(Ptr) \\r | |
| 63 | ((UINTN)(Ptr) & ~(UINTN)(CPU_STACK_ALIGNMENT - 1))\r | |
| 64 | \r | |
| 787a085b LD |
65 | #define PAGING_1G_ADDRESS_MASK_64 0x000FFFFFC0000000ull\r |
| 66 | \r | |
| 1f569620 | 67 | #pragma pack(1)\r |
| 68 | typedef union {\r | |
| 69 | struct {\r | |
| 70 | UINT32 LimitLow : 16;\r | |
| 71 | UINT32 BaseLow : 16;\r | |
| 72 | UINT32 BaseMid : 8;\r | |
| 73 | UINT32 Type : 4;\r | |
| 74 | UINT32 System : 1;\r | |
| 75 | UINT32 Dpl : 2;\r | |
| 76 | UINT32 Present : 1;\r | |
| 77 | UINT32 LimitHigh : 4;\r | |
| 78 | UINT32 Software : 1;\r | |
| 79 | UINT32 Reserved : 1;\r | |
| 80 | UINT32 DefaultSize : 1;\r | |
| 81 | UINT32 Granularity : 1;\r | |
| 82 | UINT32 BaseHigh : 8;\r | |
| 83 | } Bits;\r | |
| 84 | UINT64 Uint64;\r | |
| 85 | } IA32_GDT;\r | |
| 86 | \r | |
| 87 | //\r | |
| 88 | // Page-Map Level-4 Offset (PML4) and\r | |
| 89 | // Page-Directory-Pointer Offset (PDPE) entries 4K & 2MB\r | |
| 90 | //\r | |
| 91 | typedef union {\r | |
| 92 | struct {\r | |
| 93 | UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory\r | |
| 94 | UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write\r | |
| 95 | UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User\r | |
| 96 | UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching\r | |
| 97 | UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached\r | |
| 98 | UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU)\r | |
| 99 | UINT64 Reserved:1; // Reserved\r | |
| 100 | UINT64 MustBeZero:2; // Must Be Zero\r | |
| 101 | UINT64 Available:3; // Available for use by system software\r | |
| 102 | UINT64 PageTableBaseAddress:40; // Page Table Base Address\r | |
| 103 | UINT64 AvabilableHigh:11; // Available for use by system software\r | |
| 104 | UINT64 Nx:1; // No Execute bit\r | |
| 105 | } Bits;\r | |
| 106 | UINT64 Uint64;\r | |
| 107 | } PAGE_MAP_AND_DIRECTORY_POINTER;\r | |
| 108 | \r | |
| 109 | //\r | |
| 110 | // Page Table Entry 2MB\r | |
| 111 | //\r | |
| 112 | typedef union {\r | |
| 113 | struct {\r | |
| 114 | UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory\r | |
| 115 | UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write\r | |
| 116 | UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User\r | |
| 117 | UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching\r | |
| 118 | UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached\r | |
| 119 | UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU)\r | |
| 120 | UINT64 Dirty:1; // 0 = Not Dirty, 1 = written by processor on access to page\r | |
| 121 | UINT64 MustBe1:1; // Must be 1 \r | |
| 122 | UINT64 Global:1; // 0 = Not global page, 1 = global page TLB not cleared on CR3 write\r | |
| 123 | UINT64 Available:3; // Available for use by system software\r | |
| 124 | UINT64 PAT:1; //\r | |
| 125 | UINT64 MustBeZero:8; // Must be zero;\r | |
| 126 | UINT64 PageTableBaseAddress:31; // Page Table Base Address\r | |
| 127 | UINT64 AvabilableHigh:11; // Available for use by system software\r | |
| 128 | UINT64 Nx:1; // 0 = Execute Code, 1 = No Code Execution\r | |
| 129 | } Bits;\r | |
| 130 | UINT64 Uint64;\r | |
| 131 | } PAGE_TABLE_ENTRY;\r | |
| 132 | \r | |
| c56b6566 JY |
133 | //\r |
| 134 | // Page Table Entry 1GB\r | |
| 135 | //\r | |
| 136 | typedef union {\r | |
| 137 | struct {\r | |
| 138 | UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory\r | |
| 139 | UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write\r | |
| 140 | UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User\r | |
| 141 | UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching\r | |
| 142 | UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached\r | |
| 143 | UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU)\r | |
| 144 | UINT64 Dirty:1; // 0 = Not Dirty, 1 = written by processor on access to page\r | |
| 145 | UINT64 MustBe1:1; // Must be 1 \r | |
| 146 | UINT64 Global:1; // 0 = Not global page, 1 = global page TLB not cleared on CR3 write\r | |
| 147 | UINT64 Available:3; // Available for use by system software\r | |
| 148 | UINT64 PAT:1; //\r | |
| 149 | UINT64 MustBeZero:17; // Must be zero;\r | |
| 150 | UINT64 PageTableBaseAddress:22; // Page Table Base Address\r | |
| 151 | UINT64 AvabilableHigh:11; // Available for use by system software\r | |
| 152 | UINT64 Nx:1; // 0 = Execute Code, 1 = No Code Execution\r | |
| 153 | } Bits;\r | |
| 154 | UINT64 Uint64;\r | |
| 155 | } PAGE_TABLE_1G_ENTRY;\r | |
| 156 | \r | |
| 18b13fab ED |
157 | //\r |
| 158 | // Define two type of smm communicate headers.\r | |
| a85e7127 | 159 | // One for 32 bits PEI + 64 bits DXE, the other for 32 bits PEI + 32 bits DXE case.\r |
| 18b13fab ED |
160 | //\r |
| 161 | typedef struct {\r | |
| 162 | EFI_GUID HeaderGuid;\r | |
| 163 | UINT32 MessageLength;\r | |
| 164 | UINT8 Data[1];\r | |
| 165 | } SMM_COMMUNICATE_HEADER_32;\r | |
| 166 | \r | |
| 167 | typedef struct {\r | |
| 168 | EFI_GUID HeaderGuid;\r | |
| 169 | UINT64 MessageLength;\r | |
| 170 | UINT8 Data[1];\r | |
| 171 | } SMM_COMMUNICATE_HEADER_64;\r | |
| 172 | \r | |
| 1f569620 | 173 | #pragma pack()\r |
| 174 | \r | |
| 175 | //\r | |
| 176 | // Function prototypes\r | |
| 177 | //\r | |
| 178 | /**\r | |
| 179 | a ASM function to transfer control to OS.\r | |
| 180 | \r | |
| 181 | @param S3WakingVector The S3 waking up vector saved in ACPI Facs table\r | |
| 182 | @param AcpiLowMemoryBase a buffer under 1M which could be used during the transfer \r | |
| 183 | **/\r | |
| 184 | typedef\r | |
| 185 | VOID\r | |
| 186 | (EFIAPI *ASM_TRANSFER_CONTROL) (\r | |
| 187 | IN UINT32 S3WakingVector,\r | |
| 188 | IN UINT32 AcpiLowMemoryBase\r | |
| 189 | );\r | |
| 190 | \r | |
| 191 | /**\r | |
| 192 | Restores the platform to its preboot configuration for an S3 resume and\r | |
| 193 | jumps to the OS waking vector.\r | |
| 194 | \r | |
| 195 | This function will restore the platform to its pre-boot configuration that was\r | |
| 196 | pre-stored in the boot script table and transfer control to OS waking vector.\r | |
| 197 | Upon invocation, this function is responsible for locating the following\r | |
| 198 | information before jumping to OS waking vector:\r | |
| 199 | - ACPI tables\r | |
| 200 | - boot script table\r | |
| 201 | - any other information that it needs\r | |
| 202 | \r | |
| 203 | The S3RestoreConfig() function then executes the pre-stored boot script table\r | |
| 204 | and transitions the platform to the pre-boot state. The boot script is recorded\r | |
| 205 | during regular boot using the EFI_S3_SAVE_STATE_PROTOCOL.Write() and\r | |
| 206 | EFI_S3_SMM_SAVE_STATE_PROTOCOL.Write() functions. Finally, this function\r | |
| 207 | transfers control to the OS waking vector. If the OS supports only a real-mode\r | |
| 208 | waking vector, this function will switch from flat mode to real mode before\r | |
| 209 | jumping to the waking vector. If all platform pre-boot configurations are\r | |
| 210 | successfully restored and all other necessary information is ready, this\r | |
| 211 | function will never return and instead will directly jump to the OS waking\r | |
| 212 | vector. If this function returns, it indicates that the attempt to resume\r | |
| 213 | from the ACPI S3 sleep state failed.\r | |
| 214 | \r | |
| 215 | @param[in] This Pointer to this instance of the PEI_S3_RESUME_PPI\r | |
| 216 | \r | |
| 217 | @retval EFI_ABORTED Execution of the S3 resume boot script table failed.\r | |
| 218 | @retval EFI_NOT_FOUND Some necessary information that is used for the S3\r | |
| 219 | resume boot path could not be located.\r | |
| 220 | \r | |
| 221 | **/\r | |
| 222 | EFI_STATUS\r | |
| 223 | EFIAPI\r | |
| 224 | S3RestoreConfig2 (\r | |
| 225 | IN EFI_PEI_S3_RESUME2_PPI *This\r | |
| 226 | );\r | |
| 227 | \r | |
| abef469f | 228 | /**\r |
| 229 | Set data segment selectors value including DS/ES/FS/GS/SS.\r | |
| 230 | \r | |
| 231 | @param[in] SelectorValue Segment selector value to be set.\r | |
| 232 | \r | |
| 233 | **/\r | |
| 234 | VOID\r | |
| 235 | EFIAPI\r | |
| 236 | AsmSetDataSelectors (\r | |
| 237 | IN UINT16 SelectorValue\r | |
| 238 | );\r | |
| 239 | \r | |
| 1f569620 | 240 | //\r |
| 241 | // Globals\r | |
| 242 | //\r | |
| 243 | EFI_PEI_S3_RESUME2_PPI mS3ResumePpi = { S3RestoreConfig2 };\r | |
| 244 | \r | |
| 245 | EFI_PEI_PPI_DESCRIPTOR mPpiList = {\r | |
| 246 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
| 247 | &gEfiPeiS3Resume2PpiGuid,\r | |
| 248 | &mS3ResumePpi\r | |
| 249 | };\r | |
| 250 | \r | |
| 251 | EFI_PEI_PPI_DESCRIPTOR mPpiListPostScriptTable = {\r | |
| 252 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
| 253 | &gPeiPostScriptTablePpiGuid,\r | |
| 254 | 0\r | |
| 255 | };\r | |
| 256 | \r | |
| 257 | EFI_PEI_PPI_DESCRIPTOR mPpiListEndOfPeiTable = {\r | |
| 258 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
| 259 | &gEfiEndOfPeiSignalPpiGuid,\r | |
| 260 | 0\r | |
| 261 | };\r | |
| 262 | \r | |
| 5b29e438 SZ |
263 | EFI_PEI_PPI_DESCRIPTOR mPpiListS3SmmInitDoneTable = {\r |
| 264 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
| 265 | &gEdkiiS3SmmInitDoneGuid,\r | |
| 266 | 0\r | |
| 267 | };\r | |
| 268 | \r | |
| 1f569620 | 269 | //\r |
| 270 | // Global Descriptor Table (GDT)\r | |
| 271 | //\r | |
| 272 | GLOBAL_REMOVE_IF_UNREFERENCED IA32_GDT mGdtEntries[] = {\r | |
| 273 | /* selector { Global Segment Descriptor } */\r | |
| 274 | /* 0x00 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},\r | |
| 275 | /* 0x08 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},\r | |
| 276 | /* 0x10 */ {{0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 0, 1, 1, 0}},\r | |
| 277 | /* 0x18 */ {{0xFFFF, 0, 0, 0x3, 1, 0, 1, 0xF, 0, 0, 1, 1, 0}},\r | |
| 278 | /* 0x20 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},\r | |
| 279 | /* 0x28 */ {{0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 0, 0, 1, 0}},\r | |
| 280 | /* 0x30 */ {{0xFFFF, 0, 0, 0x3, 1, 0, 1, 0xF, 0, 0, 0, 1, 0}},\r | |
| 281 | /* 0x38 */ {{0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 1, 0, 1, 0}},\r | |
| 282 | /* 0x40 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},\r | |
| 283 | };\r | |
| 284 | \r | |
| abef469f | 285 | #define DATA_SEGEMENT_SELECTOR 0x18\r |
| 286 | \r | |
| 1f569620 | 287 | //\r |
| 288 | // IA32 Gdt register\r | |
| 289 | //\r | |
| 290 | GLOBAL_REMOVE_IF_UNREFERENCED CONST IA32_DESCRIPTOR mGdt = {\r | |
| 291 | sizeof (mGdtEntries) - 1,\r | |
| 292 | (UINTN) mGdtEntries\r | |
| 293 | };\r | |
| 294 | \r | |
| 1f569620 | 295 | \r |
| d0bf5623 JY |
296 | /**\r |
| 297 | The function will check if current waking vector is long mode.\r | |
| 298 | \r | |
| 299 | @param AcpiS3Context a pointer to a structure of ACPI_S3_CONTEXT\r | |
| 300 | \r | |
| 301 | @retval TRUE Current context need long mode waking vector.\r | |
| 302 | @retval FALSE Current context need not long mode waking vector.\r | |
| 303 | **/\r | |
| 304 | BOOLEAN\r | |
| 305 | IsLongModeWakingVector (\r | |
| 306 | IN ACPI_S3_CONTEXT *AcpiS3Context\r | |
| 307 | )\r | |
| 308 | {\r | |
| 309 | EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs;\r | |
| 310 | \r | |
| 311 | Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable));\r | |
| 312 | if ((Facs == NULL) ||\r | |
| 313 | (Facs->Signature != EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r | |
| 314 | ((Facs->FirmwareWakingVector == 0) && (Facs->XFirmwareWakingVector == 0)) ) {\r | |
| 315 | // Something wrong with FACS\r | |
| 316 | return FALSE;\r | |
| 317 | }\r | |
| 318 | if (Facs->XFirmwareWakingVector != 0) {\r | |
| 319 | if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&\r | |
| 320 | ((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0) &&\r | |
| 321 | ((Facs->Flags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {\r | |
| 322 | // Both BIOS and OS wants 64bit vector\r | |
| 323 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r | |
| 324 | return TRUE;\r | |
| 325 | }\r | |
| 326 | }\r | |
| 327 | }\r | |
| 328 | return FALSE;\r | |
| 329 | }\r | |
| 330 | \r | |
| 18b13fab | 331 | /**\r |
| 5b29e438 SZ |
332 | Signal to SMM through communication buffer way.\r |
| 333 | \r | |
| 334 | @param[in] HandlerType SMI handler type to be signaled.\r | |
| 18b13fab | 335 | \r |
| 18b13fab | 336 | **/\r |
| 5b29e438 SZ |
337 | VOID\r |
| 338 | SignalToSmmByCommunication (\r | |
| 339 | IN EFI_GUID *HandlerType\r | |
| 18b13fab ED |
340 | )\r |
| 341 | {\r | |
| 342 | EFI_STATUS Status;\r | |
| 343 | EFI_PEI_SMM_COMMUNICATION_PPI *SmmCommunicationPpi;\r | |
| 344 | UINTN CommSize;\r | |
| 345 | SMM_COMMUNICATE_HEADER_32 Header32;\r | |
| 346 | SMM_COMMUNICATE_HEADER_64 Header64;\r | |
| 347 | VOID *CommBuffer;\r | |
| 348 | \r | |
| 5b29e438 | 349 | DEBUG ((DEBUG_INFO, "Signal %g to SMM - Enter\n", HandlerType));\r |
| 18b13fab ED |
350 | \r |
| 351 | //\r | |
| 352 | // This buffer consumed in DXE phase, so base on DXE mode to prepare communicate buffer.\r | |
| 353 | // Detect whether DXE is 64 bits mode.\r | |
| 354 | // if (sizeof(UINTN) == sizeof(UINT64), PEI already 64 bits, assume DXE also 64 bits.\r | |
| a85e7127 | 355 | // or (FeaturePcdGet (PcdDxeIplSwitchToLongMode)), DXE will switch to 64 bits.\r |
| 18b13fab ED |
356 | //\r |
| 357 | if ((sizeof(UINTN) == sizeof(UINT64)) || (FeaturePcdGet (PcdDxeIplSwitchToLongMode))) {\r | |
| 358 | CommBuffer = &Header64;\r | |
| 359 | Header64.MessageLength = 0;\r | |
| 360 | CommSize = OFFSET_OF (SMM_COMMUNICATE_HEADER_64, Data);\r | |
| 361 | } else {\r | |
| 362 | CommBuffer = &Header32;\r | |
| 363 | Header32.MessageLength = 0;\r | |
| 364 | CommSize = OFFSET_OF (SMM_COMMUNICATE_HEADER_32, Data);\r | |
| 365 | }\r | |
| 5b29e438 | 366 | CopyGuid (CommBuffer, HandlerType);\r |
| 18b13fab | 367 | \r |
| 18b13fab ED |
368 | Status = PeiServicesLocatePpi (\r |
| 369 | &gEfiPeiSmmCommunicationPpiGuid,\r | |
| 370 | 0,\r | |
| 371 | NULL,\r | |
| 372 | (VOID **)&SmmCommunicationPpi\r | |
| 373 | );\r | |
| 152e8d76 ED |
374 | if (EFI_ERROR (Status)) {\r |
| 375 | DEBUG ((DEBUG_ERROR, "Locate Smm Communicate Ppi failed (%r)!\n", Status));\r | |
| 5b29e438 | 376 | return;\r |
| 152e8d76 | 377 | }\r |
| 18b13fab | 378 | \r |
| 18b13fab ED |
379 | Status = SmmCommunicationPpi->Communicate (\r |
| 380 | SmmCommunicationPpi,\r | |
| 381 | (VOID *)CommBuffer,\r | |
| 382 | &CommSize\r | |
| 383 | );\r | |
| 152e8d76 ED |
384 | if (EFI_ERROR (Status)) {\r |
| 385 | DEBUG ((DEBUG_ERROR, "SmmCommunicationPpi->Communicate return failure (%r)!\n", Status));\r | |
| 386 | }\r | |
| 18b13fab | 387 | \r |
| 5b29e438 SZ |
388 | DEBUG ((DEBUG_INFO, "Signal %g to SMM - Exit (%r)\n", HandlerType, Status));\r |
| 389 | return;\r | |
| 18b13fab ED |
390 | }\r |
| 391 | \r | |
| 1f569620 | 392 | /**\r |
| 393 | Jump to OS waking vector.\r | |
| 394 | The function will install boot script done PPI, report S3 resume status code, and then jump to OS waking vector.\r | |
| 395 | \r | |
| 396 | @param AcpiS3Context a pointer to a structure of ACPI_S3_CONTEXT\r | |
| 397 | @param PeiS3ResumeState a pointer to a structure of PEI_S3_RESUME_STATE\r | |
| 398 | **/\r | |
| 399 | VOID\r | |
| 400 | EFIAPI\r | |
| 401 | S3ResumeBootOs (\r | |
| 402 | IN ACPI_S3_CONTEXT *AcpiS3Context,\r | |
| 403 | IN PEI_S3_RESUME_STATE *PeiS3ResumeState\r | |
| 404 | )\r | |
| 405 | {\r | |
| 406 | EFI_STATUS Status;\r | |
| 407 | EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs;\r | |
| 408 | ASM_TRANSFER_CONTROL AsmTransferControl;\r | |
| 409 | UINTN TempStackTop;\r | |
| 410 | UINTN TempStack[0x10];\r | |
| 411 | \r | |
| 412 | //\r | |
| 413 | // Restore IDT\r | |
| 414 | //\r | |
| 415 | AsmWriteIdtr (&PeiS3ResumeState->Idtr);\r | |
| 416 | \r | |
| f6d5cbe7 | 417 | if (PeiS3ResumeState->ReturnStatus != EFI_SUCCESS) {\r |
| 418 | //\r | |
| 419 | // Report Status code that boot script execution is failed\r | |
| 420 | //\r | |
| 421 | REPORT_STATUS_CODE (\r | |
| 422 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
| 423 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_BOOT_SCRIPT_ERROR)\r | |
| 424 | );\r | |
| 425 | }\r | |
| 426 | \r | |
| f5c941b1 | 427 | //\r |
| 428 | // NOTE: Because Debug Timer interrupt and system interrupts will be disabled \r | |
| 429 | // in BootScriptExecuteDxe, the rest code in S3ResumeBootOs() cannot be halted\r | |
| 430 | // by soft debugger.\r | |
| 431 | //\r | |
| 432 | \r | |
| 5c0687cc SZ |
433 | PERF_END (NULL, "ScriptExec", NULL, 0);\r |
| 434 | \r | |
| 1f569620 | 435 | //\r |
| 436 | // Install BootScriptDonePpi\r | |
| 437 | //\r | |
| 582e4e44 BD |
438 | PERF_START_EX (NULL, "BootScriptDonePpi", NULL, 0, PERF_INMODULE_START_ID);\r |
| 439 | \r | |
| 1f569620 | 440 | Status = PeiServicesInstallPpi (&mPpiListPostScriptTable);\r |
| 441 | ASSERT_EFI_ERROR (Status);\r | |
| 442 | \r | |
| 582e4e44 BD |
443 | PERF_END_EX (NULL, "BootScriptDonePpi", NULL, 0, PERF_INMODULE_END_ID);\r |
| 444 | \r | |
| 1f569620 | 445 | //\r |
| 446 | // Get ACPI Table Address\r | |
| 447 | //\r | |
| 448 | Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable));\r | |
| 449 | \r | |
| 450 | if ((Facs == NULL) ||\r | |
| 451 | (Facs->Signature != EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r | |
| 452 | ((Facs->FirmwareWakingVector == 0) && (Facs->XFirmwareWakingVector == 0)) ) {\r | |
| f6d5cbe7 | 453 | //\r |
| 454 | // Report Status code that no valid vector is found\r | |
| 455 | //\r | |
| 456 | REPORT_STATUS_CODE (\r | |
| 457 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
| 458 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)\r | |
| 459 | );\r | |
| 1f569620 | 460 | CpuDeadLoop ();\r |
| 461 | return ;\r | |
| 462 | }\r | |
| 463 | \r | |
| 1f569620 | 464 | //\r |
| 465 | // Install EndOfPeiPpi\r | |
| 466 | //\r | |
| 582e4e44 BD |
467 | PERF_START_EX (NULL, "EndOfPeiPpi", NULL, 0, PERF_INMODULE_START_ID);\r |
| 468 | \r | |
| 1f569620 | 469 | Status = PeiServicesInstallPpi (&mPpiListEndOfPeiTable);\r |
| 470 | ASSERT_EFI_ERROR (Status);\r | |
| 471 | \r | |
| 582e4e44 BD |
472 | PERF_END_EX (NULL, "EndOfPeiPpi", NULL, 0, PERF_INMODULE_END_ID);\r |
| 473 | \r | |
| 582e4e44 BD |
474 | PERF_START_EX (NULL, "EndOfS3Resume", NULL, 0, PERF_INMODULE_START_ID);\r |
| 475 | \r | |
| 5b29e438 SZ |
476 | DEBUG ((DEBUG_INFO, "Signal EndOfS3Resume\n"));\r |
| 477 | //\r | |
| 478 | // Signal EndOfS3Resume to SMM.\r | |
| 479 | //\r | |
| 480 | SignalToSmmByCommunication (&gEdkiiEndOfS3ResumeGuid);\r | |
| 18b13fab | 481 | \r |
| 582e4e44 BD |
482 | PERF_END_EX (NULL, "EndOfS3Resume", NULL, 0, PERF_INMODULE_END_ID);\r |
| 483 | \r | |
| 26c0ba77 SZ |
484 | //\r |
| 485 | // report status code on S3 resume\r | |
| 486 | //\r | |
| 487 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_OS_WAKE);\r | |
| 488 | \r | |
| 1f569620 | 489 | AsmTransferControl = (ASM_TRANSFER_CONTROL)(UINTN)PeiS3ResumeState->AsmTransferControl;\r |
| 490 | if (Facs->XFirmwareWakingVector != 0) {\r | |
| 491 | //\r | |
| 492 | // Switch to native waking vector\r | |
| 493 | //\r | |
| 494 | TempStackTop = (UINTN)&TempStack + sizeof(TempStack);\r | |
| af34c106 JF |
495 | DEBUG ((\r |
| 496 | DEBUG_INFO,\r | |
| 497 | "%a() Stack Base: 0x%x, Stack Size: 0x%x\n",\r | |
| 498 | __FUNCTION__,\r | |
| 499 | TempStackTop,\r | |
| 500 | sizeof (TempStack)\r | |
| 501 | ));\r | |
| 1f569620 | 502 | if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&\r |
| 503 | ((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0) &&\r | |
| 504 | ((Facs->Flags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {\r | |
| 505 | //\r | |
| 506 | // X64 long mode waking vector\r | |
| 507 | //\r | |
| c5719579 | 508 | DEBUG ((DEBUG_INFO, "Transfer to 64bit OS waking vector - %x\r\n", (UINTN)Facs->XFirmwareWakingVector));\r |
| 1f569620 | 509 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r |
| 510 | AsmEnablePaging64 (\r | |
| 511 | 0x38,\r | |
| 512 | Facs->XFirmwareWakingVector,\r | |
| 513 | 0,\r | |
| 514 | 0,\r | |
| 515 | (UINT64)(UINTN)TempStackTop\r | |
| 516 | );\r | |
| 517 | } else {\r | |
| f6d5cbe7 | 518 | //\r |
| 519 | // Report Status code that no valid waking vector is found\r | |
| 520 | //\r | |
| 521 | REPORT_STATUS_CODE (\r | |
| 522 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
| 523 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)\r | |
| 524 | );\r | |
| 1f569620 | 525 | DEBUG (( EFI_D_ERROR, "Unsupported for 32bit DXE transfer to 64bit OS waking vector!\r\n"));\r |
| 526 | ASSERT (FALSE);\r | |
| f6d5cbe7 | 527 | CpuDeadLoop ();\r |
| 528 | return ;\r | |
| 1f569620 | 529 | }\r |
| 530 | } else {\r | |
| 531 | //\r | |
| 532 | // IA32 protected mode waking vector (Page disabled)\r | |
| 533 | //\r | |
| c5719579 | 534 | DEBUG ((DEBUG_INFO, "Transfer to 32bit OS waking vector - %x\r\n", (UINTN)Facs->XFirmwareWakingVector));\r |
| 1f569620 | 535 | SwitchStack (\r |
| 536 | (SWITCH_STACK_ENTRY_POINT) (UINTN) Facs->XFirmwareWakingVector,\r | |
| 537 | NULL,\r | |
| 538 | NULL,\r | |
| 539 | (VOID *)(UINTN)TempStackTop\r | |
| 540 | );\r | |
| 541 | }\r | |
| 542 | } else {\r | |
| 543 | //\r | |
| 544 | // 16bit Realmode waking vector\r | |
| 545 | //\r | |
| c5719579 | 546 | DEBUG ((DEBUG_INFO, "Transfer to 16bit OS waking vector - %x\r\n", (UINTN)Facs->FirmwareWakingVector));\r |
| 1f569620 | 547 | AsmTransferControl (Facs->FirmwareWakingVector, 0x0);\r |
| 548 | }\r | |
| 549 | \r | |
| f6d5cbe7 | 550 | //\r |
| 551 | // Report Status code the failure of S3Resume\r | |
| 552 | //\r | |
| 553 | REPORT_STATUS_CODE (\r | |
| 554 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
| 555 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)\r | |
| 556 | );\r | |
| 557 | \r | |
| 1f569620 | 558 | //\r |
| 559 | // Never run to here\r | |
| 560 | //\r | |
| 561 | CpuDeadLoop();\r | |
| 562 | }\r | |
| 563 | \r | |
| 564 | /**\r | |
| 565 | Restore S3 page table because we do not trust ACPINvs content.\r | |
| 566 | If BootScriptExector driver will not run in 64-bit mode, this function will do nothing. \r | |
| 567 | \r | |
| 568 | @param S3NvsPageTableAddress PageTableAddress in ACPINvs\r | |
| d0bf5623 | 569 | @param Build4GPageTableOnly If BIOS just build 4G page table only\r |
| 1f569620 | 570 | **/\r |
| 571 | VOID\r | |
| 572 | RestoreS3PageTables (\r | |
| d0bf5623 JY |
573 | IN UINTN S3NvsPageTableAddress,\r |
| 574 | IN BOOLEAN Build4GPageTableOnly\r | |
| 1f569620 | 575 | )\r |
| 576 | {\r | |
| 577 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r | |
| 578 | UINT32 RegEax;\r | |
| c56b6566 | 579 | UINT32 RegEdx;\r |
| 1f569620 | 580 | UINT8 PhysicalAddressBits;\r |
| 581 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
| 582 | UINTN IndexOfPml4Entries;\r | |
| 583 | UINTN IndexOfPdpEntries;\r | |
| 584 | UINTN IndexOfPageDirectoryEntries;\r | |
| c56b6566 JY |
585 | UINT32 NumberOfPml4EntriesNeeded;\r |
| 586 | UINT32 NumberOfPdpEntriesNeeded;\r | |
| 1f569620 | 587 | PAGE_MAP_AND_DIRECTORY_POINTER *PageMapLevel4Entry;\r |
| 588 | PAGE_MAP_AND_DIRECTORY_POINTER *PageMap;\r | |
| 589 | PAGE_MAP_AND_DIRECTORY_POINTER *PageDirectoryPointerEntry;\r | |
| 590 | PAGE_TABLE_ENTRY *PageDirectoryEntry;\r | |
| c56b6566 JY |
591 | VOID *Hob;\r |
| 592 | BOOLEAN Page1GSupport;\r | |
| 593 | PAGE_TABLE_1G_ENTRY *PageDirectory1GEntry;\r | |
| 787a085b LD |
594 | UINT64 AddressEncMask;\r |
| 595 | \r | |
| 596 | //\r | |
| 597 | // Make sure AddressEncMask is contained to smallest supported address field\r | |
| 598 | //\r | |
| 599 | AddressEncMask = PcdGet64 (PcdPteMemoryEncryptionAddressOrMask) & PAGING_1G_ADDRESS_MASK_64;\r | |
| 1f569620 | 600 | \r |
| 601 | //\r | |
| 602 | // NOTE: We have to ASSUME the page table generation format, because we do not know whole page table information.\r | |
| 603 | // The whole page table is too large to be saved in SMRAM.\r | |
| 604 | //\r | |
| 438f1766 | 605 | // The assumption is : whole page table is allocated in CONTINUOUS memory and CR3 points to TOP page.\r |
| 1f569620 | 606 | //\r |
| c5719579 | 607 | DEBUG ((DEBUG_INFO, "S3NvsPageTableAddress - %x (%x)\n", (UINTN)S3NvsPageTableAddress, (UINTN)Build4GPageTableOnly));\r |
| 1f569620 | 608 | \r |
| 609 | //\r | |
| 438f1766 | 610 | // By architecture only one PageMapLevel4 exists - so lets allocate storage for it.\r |
| 1f569620 | 611 | //\r |
| 612 | PageMap = (PAGE_MAP_AND_DIRECTORY_POINTER *)S3NvsPageTableAddress;\r | |
| 613 | S3NvsPageTableAddress += SIZE_4KB;\r | |
| 614 | \r | |
| c56b6566 | 615 | Page1GSupport = FALSE;\r |
| 378175d2 JY |
616 | if (PcdGetBool(PcdUse1GPageTable)) {\r |
| 617 | AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);\r | |
| 618 | if (RegEax >= 0x80000001) {\r | |
| 619 | AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);\r | |
| 620 | if ((RegEdx & BIT26) != 0) {\r | |
| 621 | Page1GSupport = TRUE;\r | |
| 622 | }\r | |
| c56b6566 JY |
623 | }\r |
| 624 | }\r | |
| 625 | \r | |
| 1f569620 | 626 | //\r |
| 627 | // Get physical address bits supported.\r | |
| 628 | //\r | |
| c56b6566 JY |
629 | Hob = GetFirstHob (EFI_HOB_TYPE_CPU);\r |
| 630 | if (Hob != NULL) {\r | |
| 631 | PhysicalAddressBits = ((EFI_HOB_CPU *) Hob)->SizeOfMemorySpace;\r | |
| 1f569620 | 632 | } else {\r |
| c56b6566 JY |
633 | AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);\r |
| 634 | if (RegEax >= 0x80000008) {\r | |
| 635 | AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);\r | |
| 636 | PhysicalAddressBits = (UINT8) RegEax;\r | |
| 637 | } else {\r | |
| 638 | PhysicalAddressBits = 36;\r | |
| 639 | }\r | |
| 1f569620 | 640 | }\r |
| 641 | \r | |
| c56b6566 JY |
642 | //\r |
| 643 | // IA-32e paging translates 48-bit linear addresses to 52-bit physical addresses.\r | |
| 644 | //\r | |
| 645 | ASSERT (PhysicalAddressBits <= 52);\r | |
| 646 | if (PhysicalAddressBits > 48) {\r | |
| 647 | PhysicalAddressBits = 48;\r | |
| 648 | }\r | |
| 649 | \r | |
| d0bf5623 JY |
650 | //\r |
| 651 | // NOTE: In order to save time to create full page table, we just create 4G page table by default.\r | |
| 652 | // And let PF handler in BootScript driver to create more on request.\r | |
| 653 | //\r | |
| 654 | if (Build4GPageTableOnly) {\r | |
| 655 | PhysicalAddressBits = 32;\r | |
| 656 | ZeroMem (PageMap, EFI_PAGES_TO_SIZE(2));\r | |
| 657 | }\r | |
| 1f569620 | 658 | //\r |
| 659 | // Calculate the table entries needed.\r | |
| 660 | //\r | |
| 661 | if (PhysicalAddressBits <= 39) {\r | |
| 662 | NumberOfPml4EntriesNeeded = 1;\r | |
| c56b6566 | 663 | NumberOfPdpEntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 30));\r |
| 1f569620 | 664 | } else {\r |
| c56b6566 | 665 | NumberOfPml4EntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 39));\r |
| 1f569620 | 666 | NumberOfPdpEntriesNeeded = 512;\r |
| 667 | }\r | |
| 668 | \r | |
| 669 | PageMapLevel4Entry = PageMap;\r | |
| 670 | PageAddress = 0;\r | |
| 671 | for (IndexOfPml4Entries = 0; IndexOfPml4Entries < NumberOfPml4EntriesNeeded; IndexOfPml4Entries++, PageMapLevel4Entry++) {\r | |
| 672 | //\r | |
| 673 | // Each PML4 entry points to a page of Page Directory Pointer entires.\r | |
| 674 | // So lets allocate space for them and fill them in in the IndexOfPdpEntries loop.\r | |
| 675 | //\r | |
| 676 | PageDirectoryPointerEntry = (PAGE_MAP_AND_DIRECTORY_POINTER *)S3NvsPageTableAddress;\r | |
| 677 | S3NvsPageTableAddress += SIZE_4KB;\r | |
| 678 | \r | |
| 679 | //\r | |
| 680 | // Make a PML4 Entry\r | |
| 681 | //\r | |
| 787a085b | 682 | PageMapLevel4Entry->Uint64 = (UINT64)(UINTN)PageDirectoryPointerEntry | AddressEncMask;\r |
| 1f569620 | 683 | PageMapLevel4Entry->Bits.ReadWrite = 1;\r |
| 684 | PageMapLevel4Entry->Bits.Present = 1;\r | |
| c56b6566 JY |
685 | \r |
| 686 | if (Page1GSupport) {\r | |
| 54d3b84e | 687 | PageDirectory1GEntry = (VOID *) PageDirectoryPointerEntry;\r |
| 1f569620 | 688 | \r |
| c56b6566 | 689 | for (IndexOfPageDirectoryEntries = 0; IndexOfPageDirectoryEntries < 512; IndexOfPageDirectoryEntries++, PageDirectory1GEntry++, PageAddress += SIZE_1GB) {\r |
| 1f569620 | 690 | //\r |
| 691 | // Fill in the Page Directory entries\r | |
| 692 | //\r | |
| 787a085b | 693 | PageDirectory1GEntry->Uint64 = (UINT64)PageAddress | AddressEncMask;\r |
| c56b6566 JY |
694 | PageDirectory1GEntry->Bits.ReadWrite = 1;\r |
| 695 | PageDirectory1GEntry->Bits.Present = 1;\r | |
| 696 | PageDirectory1GEntry->Bits.MustBe1 = 1;\r | |
| 697 | }\r | |
| 698 | } else {\r | |
| 699 | for (IndexOfPdpEntries = 0; IndexOfPdpEntries < NumberOfPdpEntriesNeeded; IndexOfPdpEntries++, PageDirectoryPointerEntry++) {\r | |
| 700 | //\r | |
| 701 | // Each Directory Pointer entries points to a page of Page Directory entires.\r | |
| 702 | // So allocate space for them and fill them in in the IndexOfPageDirectoryEntries loop.\r | |
| 703 | // \r | |
| 704 | PageDirectoryEntry = (PAGE_TABLE_ENTRY *)S3NvsPageTableAddress;\r | |
| 705 | S3NvsPageTableAddress += SIZE_4KB;\r | |
| 706 | \r | |
| 707 | //\r | |
| 708 | // Fill in a Page Directory Pointer Entries\r | |
| 709 | //\r | |
| 787a085b | 710 | PageDirectoryPointerEntry->Uint64 = (UINT64)(UINTN)PageDirectoryEntry | AddressEncMask;\r |
| c56b6566 JY |
711 | PageDirectoryPointerEntry->Bits.ReadWrite = 1;\r |
| 712 | PageDirectoryPointerEntry->Bits.Present = 1;\r | |
| 713 | \r | |
| 714 | for (IndexOfPageDirectoryEntries = 0; IndexOfPageDirectoryEntries < 512; IndexOfPageDirectoryEntries++, PageDirectoryEntry++, PageAddress += SIZE_2MB) {\r | |
| 715 | //\r | |
| 716 | // Fill in the Page Directory entries\r | |
| 717 | //\r | |
| 787a085b | 718 | PageDirectoryEntry->Uint64 = (UINT64)PageAddress | AddressEncMask;\r |
| c56b6566 JY |
719 | PageDirectoryEntry->Bits.ReadWrite = 1;\r |
| 720 | PageDirectoryEntry->Bits.Present = 1;\r | |
| 721 | PageDirectoryEntry->Bits.MustBe1 = 1;\r | |
| 722 | }\r | |
| 1f569620 | 723 | }\r |
| 724 | }\r | |
| 725 | }\r | |
| 726 | return ;\r | |
| 727 | } else {\r | |
| 728 | //\r | |
| 729 | // If DXE is running 32-bit mode, no need to establish page table.\r | |
| 730 | //\r | |
| 731 | return ;\r | |
| 732 | }\r | |
| 733 | }\r | |
| 734 | \r | |
| 735 | /**\r | |
| 736 | Jump to boot script executor driver.\r | |
| 737 | \r | |
| 738 | The function will close and lock SMRAM and then jump to boot script execute driver to executing S3 boot script table.\r | |
| 739 | \r | |
| 740 | @param AcpiS3Context a pointer to a structure of ACPI_S3_CONTEXT\r | |
| 741 | @param EfiBootScriptExecutorVariable The function entry to executing S3 boot Script table. This function is build in\r | |
| 742 | boot script execute driver\r | |
| 743 | **/\r | |
| 744 | VOID\r | |
| 745 | EFIAPI\r | |
| 746 | S3ResumeExecuteBootScript (\r | |
| 747 | IN ACPI_S3_CONTEXT *AcpiS3Context,\r | |
| 748 | IN BOOT_SCRIPT_EXECUTOR_VARIABLE *EfiBootScriptExecutorVariable\r | |
| 749 | )\r | |
| 750 | {\r | |
| 751 | EFI_STATUS Status;\r | |
| 752 | PEI_SMM_ACCESS_PPI *SmmAccess;\r | |
| 753 | UINTN Index;\r | |
| 754 | VOID *GuidHob;\r | |
| 755 | IA32_DESCRIPTOR *IdtDescriptor;\r | |
| 756 | VOID *IdtBuffer;\r | |
| 757 | PEI_S3_RESUME_STATE *PeiS3ResumeState;\r | |
| abef469f | 758 | BOOLEAN InterruptStatus;\r |
| 1f569620 | 759 | \r |
| c5719579 | 760 | DEBUG ((DEBUG_INFO, "S3ResumeExecuteBootScript()\n"));\r |
| 1f569620 | 761 | \r |
| 762 | //\r | |
| 763 | // Attempt to use content from SMRAM first\r | |
| 764 | //\r | |
| 765 | GuidHob = GetFirstGuidHob (&gEfiAcpiVariableGuid);\r | |
| 766 | if (GuidHob != NULL) {\r | |
| 767 | //\r | |
| 768 | // Last step for SMM - send SMI for initialization\r | |
| 769 | //\r | |
| 770 | \r | |
| 771 | //\r | |
| 772 | // Send SMI to APs\r | |
| 773 | // \r | |
| 774 | SendSmiIpiAllExcludingSelf ();\r | |
| 775 | //\r | |
| 776 | // Send SMI to BSP\r | |
| 777 | //\r | |
| 778 | SendSmiIpi (GetApicId ());\r | |
| 779 | \r | |
| 780 | Status = PeiServicesLocatePpi (\r | |
| 781 | &gPeiSmmAccessPpiGuid,\r | |
| 782 | 0,\r | |
| 783 | NULL,\r | |
| 784 | (VOID **) &SmmAccess\r | |
| 785 | );\r | |
| 40ef06fc | 786 | if (!EFI_ERROR (Status)) {\r |
| c5719579 | 787 | DEBUG ((DEBUG_INFO, "Close all SMRAM regions before executing boot script\n"));\r |
| 40ef06fc SZ |
788 | \r |
| 789 | for (Index = 0, Status = EFI_SUCCESS; !EFI_ERROR (Status); Index++) {\r | |
| 790 | Status = SmmAccess->Close ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, Index);\r | |
| 791 | }\r | |
| 1f569620 | 792 | \r |
| c5719579 | 793 | DEBUG ((DEBUG_INFO, "Lock all SMRAM regions before executing boot script\n"));\r |
| 40ef06fc SZ |
794 | \r |
| 795 | for (Index = 0, Status = EFI_SUCCESS; !EFI_ERROR (Status); Index++) {\r | |
| 796 | Status = SmmAccess->Lock ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, Index);\r | |
| 797 | }\r | |
| 1f569620 | 798 | }\r |
| 5b29e438 SZ |
799 | \r |
| 800 | DEBUG ((DEBUG_INFO, "Signal S3SmmInitDone\n"));\r | |
| 801 | //\r | |
| 802 | // Install S3SmmInitDone PPI.\r | |
| 803 | //\r | |
| 804 | Status = PeiServicesInstallPpi (&mPpiListS3SmmInitDoneTable);\r | |
| 805 | ASSERT_EFI_ERROR (Status);\r | |
| 806 | //\r | |
| 807 | // Signal S3SmmInitDone to SMM.\r | |
| 808 | //\r | |
| 809 | SignalToSmmByCommunication (&gEdkiiS3SmmInitDoneGuid);\r | |
| 1f569620 | 810 | }\r |
| 811 | \r | |
| 812 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r | |
| 1f569620 | 813 | AsmWriteCr3 ((UINTN)AcpiS3Context->S3NvsPageTableAddress);\r |
| 814 | }\r | |
| 815 | \r | |
| 816 | if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r | |
| 817 | //\r | |
| 818 | // On some platform, such as ECP, a dispatch node in boot script table may execute a 32-bit PEIM which may need PeiServices\r | |
| 819 | // pointer. So PeiServices need preserve in (IDTBase- sizeof (UINTN)). \r | |
| 820 | //\r | |
| 821 | IdtDescriptor = (IA32_DESCRIPTOR *) (UINTN) (AcpiS3Context->IdtrProfile);\r | |
| 822 | //\r | |
| 438f1766 | 823 | // Make sure the newly allocated IDT align with 16-bytes\r |
| 1f569620 | 824 | // \r |
| 825 | IdtBuffer = AllocatePages (EFI_SIZE_TO_PAGES((IdtDescriptor->Limit + 1) + 16));\r | |
| 6f9760d8 SZ |
826 | if (IdtBuffer == NULL) {\r |
| 827 | REPORT_STATUS_CODE (\r | |
| 828 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
| 829 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_RESUME_FAILED)\r | |
| 830 | );\r | |
| 831 | ASSERT (FALSE);\r | |
| 832 | }\r | |
| e47459e6 | 833 | //\r |
| 834 | // Additional 16 bytes allocated to save IA32 IDT descriptor and Pei Service Table Pointer\r | |
| 835 | // IA32 IDT descriptor will be used to setup IA32 IDT table for 32-bit Framework Boot Script code\r | |
| 836 | // \r | |
| 837 | ZeroMem (IdtBuffer, 16);\r | |
| 838 | AsmReadIdtr ((IA32_DESCRIPTOR *)IdtBuffer);\r | |
| 1f569620 | 839 | CopyMem ((VOID*)((UINT8*)IdtBuffer + 16),(VOID*)(IdtDescriptor->Base), (IdtDescriptor->Limit + 1));\r |
| 840 | IdtDescriptor->Base = (UINTN)((UINT8*)IdtBuffer + 16);\r | |
| 841 | *(UINTN*)(IdtDescriptor->Base - sizeof(UINTN)) = (UINTN)GetPeiServicesTablePointer ();\r | |
| 842 | }\r | |
| 843 | \r | |
| abef469f | 844 | InterruptStatus = SaveAndDisableInterrupts ();\r |
| 1f569620 | 845 | //\r |
| 846 | // Need to make sure the GDT is loaded with values that support long mode and real mode.\r | |
| 847 | //\r | |
| 848 | AsmWriteGdtr (&mGdt);\r | |
| abef469f | 849 | //\r |
| 850 | // update segment selectors per the new GDT.\r | |
| 851 | //\r | |
| 852 | AsmSetDataSelectors (DATA_SEGEMENT_SELECTOR);\r | |
| 853 | //\r | |
| 854 | // Restore interrupt state.\r | |
| 855 | //\r | |
| 856 | SetInterruptState (InterruptStatus);\r | |
| 1f569620 | 857 | \r |
| 858 | //\r | |
| 859 | // Prepare data for return back\r | |
| 860 | //\r | |
| 861 | PeiS3ResumeState = AllocatePool (sizeof(*PeiS3ResumeState));\r | |
| 6f9760d8 SZ |
862 | if (PeiS3ResumeState == NULL) {\r |
| 863 | REPORT_STATUS_CODE (\r | |
| 864 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
| 865 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_RESUME_FAILED)\r | |
| 866 | );\r | |
| 867 | ASSERT (FALSE);\r | |
| 868 | }\r | |
| c5719579 | 869 | DEBUG ((DEBUG_INFO, "PeiS3ResumeState - %x\r\n", PeiS3ResumeState));\r |
| 1f569620 | 870 | PeiS3ResumeState->ReturnCs = 0x10;\r |
| 871 | PeiS3ResumeState->ReturnEntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)S3ResumeBootOs;\r | |
| f98f5ec3 | 872 | PeiS3ResumeState->ReturnStackPointer = (EFI_PHYSICAL_ADDRESS)STACK_ALIGN_DOWN (&Status);\r |
| 1f569620 | 873 | //\r |
| 874 | // Save IDT\r | |
| 875 | //\r | |
| 876 | AsmReadIdtr (&PeiS3ResumeState->Idtr);\r | |
| f6d5cbe7 | 877 | \r |
| 878 | //\r | |
| 879 | // Report Status Code to indicate S3 boot script execution\r | |
| 880 | //\r | |
| 881 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_S3_BOOT_SCRIPT);\r | |
| 1f569620 | 882 | \r |
| 5c0687cc SZ |
883 | PERF_START (NULL, "ScriptExec", NULL, 0);\r |
| 884 | \r | |
| 1f569620 | 885 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r |
| 886 | //\r | |
| 887 | // X64 S3 Resume\r | |
| 888 | //\r | |
| c5719579 | 889 | DEBUG ((DEBUG_INFO, "Enable X64 and transfer control to Standalone Boot Script Executor\r\n"));\r |
| 1f569620 | 890 | \r |
| 891 | //\r | |
| 892 | // Switch to long mode to complete resume.\r | |
| 893 | //\r | |
| 894 | AsmEnablePaging64 (\r | |
| 895 | 0x38,\r | |
| 896 | EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint,\r | |
| 897 | (UINT64)(UINTN)AcpiS3Context,\r | |
| 898 | (UINT64)(UINTN)PeiS3ResumeState,\r | |
| 899 | (UINT64)(UINTN)(AcpiS3Context->BootScriptStackBase + AcpiS3Context->BootScriptStackSize)\r | |
| 900 | );\r | |
| 901 | } else {\r | |
| 902 | //\r | |
| 903 | // IA32 S3 Resume\r | |
| 904 | //\r | |
| c5719579 | 905 | DEBUG ((DEBUG_INFO, "transfer control to Standalone Boot Script Executor\r\n"));\r |
| 1f569620 | 906 | SwitchStack (\r |
| 907 | (SWITCH_STACK_ENTRY_POINT) (UINTN) EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint,\r | |
| 908 | (VOID *)AcpiS3Context,\r | |
| 909 | (VOID *)PeiS3ResumeState,\r | |
| 910 | (VOID *)(UINTN)(AcpiS3Context->BootScriptStackBase + AcpiS3Context->BootScriptStackSize)\r | |
| 911 | );\r | |
| 912 | }\r | |
| 913 | \r | |
| 914 | //\r | |
| 915 | // Never run to here\r | |
| 916 | //\r | |
| 917 | CpuDeadLoop();\r | |
| 918 | }\r | |
| 919 | /**\r | |
| 920 | Restores the platform to its preboot configuration for an S3 resume and\r | |
| 921 | jumps to the OS waking vector.\r | |
| 922 | \r | |
| 923 | This function will restore the platform to its pre-boot configuration that was\r | |
| 924 | pre-stored in the boot script table and transfer control to OS waking vector.\r | |
| 925 | Upon invocation, this function is responsible for locating the following\r | |
| 926 | information before jumping to OS waking vector:\r | |
| 927 | - ACPI tables\r | |
| 928 | - boot script table\r | |
| 929 | - any other information that it needs\r | |
| 930 | \r | |
| 931 | The S3RestoreConfig() function then executes the pre-stored boot script table\r | |
| 932 | and transitions the platform to the pre-boot state. The boot script is recorded\r | |
| 933 | during regular boot using the EFI_S3_SAVE_STATE_PROTOCOL.Write() and\r | |
| 934 | EFI_S3_SMM_SAVE_STATE_PROTOCOL.Write() functions. Finally, this function\r | |
| 935 | transfers control to the OS waking vector. If the OS supports only a real-mode\r | |
| 936 | waking vector, this function will switch from flat mode to real mode before\r | |
| 937 | jumping to the waking vector. If all platform pre-boot configurations are\r | |
| 938 | successfully restored and all other necessary information is ready, this\r | |
| 939 | function will never return and instead will directly jump to the OS waking\r | |
| 940 | vector. If this function returns, it indicates that the attempt to resume\r | |
| 941 | from the ACPI S3 sleep state failed.\r | |
| 942 | \r | |
| 943 | @param[in] This Pointer to this instance of the PEI_S3_RESUME_PPI\r | |
| 944 | \r | |
| 945 | @retval EFI_ABORTED Execution of the S3 resume boot script table failed.\r | |
| 946 | @retval EFI_NOT_FOUND Some necessary information that is used for the S3\r | |
| 947 | resume boot path could not be located.\r | |
| 948 | \r | |
| 949 | **/\r | |
| 950 | EFI_STATUS\r | |
| 951 | EFIAPI\r | |
| 952 | S3RestoreConfig2 (\r | |
| 953 | IN EFI_PEI_S3_RESUME2_PPI *This\r | |
| 954 | )\r | |
| 955 | {\r | |
| 956 | EFI_STATUS Status;\r | |
| 957 | PEI_SMM_ACCESS_PPI *SmmAccess;\r | |
| 958 | UINTN Index;\r | |
| 959 | ACPI_S3_CONTEXT *AcpiS3Context;\r | |
| 1f569620 | 960 | EFI_PHYSICAL_ADDRESS TempEfiBootScriptExecutorVariable;\r |
| 961 | EFI_PHYSICAL_ADDRESS TempAcpiS3Context;\r | |
| 962 | BOOT_SCRIPT_EXECUTOR_VARIABLE *EfiBootScriptExecutorVariable;\r | |
| 963 | UINTN VarSize;\r | |
| 964 | EFI_SMRAM_DESCRIPTOR *SmramDescriptor;\r | |
| 965 | SMM_S3_RESUME_STATE *SmmS3ResumeState;\r | |
| 966 | VOID *GuidHob;\r | |
| d0bf5623 | 967 | BOOLEAN Build4GPageTableOnly;\r |
| abef469f | 968 | BOOLEAN InterruptStatus;\r |
| 1f569620 | 969 | \r |
| 48ee8e3e SZ |
970 | TempAcpiS3Context = 0;\r |
| 971 | TempEfiBootScriptExecutorVariable = 0;\r | |
| 972 | \r | |
| c5719579 | 973 | DEBUG ((DEBUG_INFO, "Enter S3 PEIM\r\n"));\r |
| 1f569620 | 974 | \r |
| 1f569620 | 975 | VarSize = sizeof (EFI_PHYSICAL_ADDRESS);\r |
| 976 | Status = RestoreLockBox (\r | |
| 977 | &gEfiAcpiVariableGuid,\r | |
| 978 | &TempAcpiS3Context,\r | |
| 979 | &VarSize\r | |
| 980 | );\r | |
| 981 | ASSERT_EFI_ERROR (Status);\r | |
| 982 | \r | |
| 1f569620 | 983 | Status = RestoreLockBox (\r |
| 984 | &gEfiAcpiS3ContextGuid,\r | |
| 985 | NULL,\r | |
| 986 | NULL\r | |
| 987 | );\r | |
| 988 | ASSERT_EFI_ERROR (Status);\r | |
| 989 | \r | |
| 48ee8e3e SZ |
990 | AcpiS3Context = (ACPI_S3_CONTEXT *)(UINTN)TempAcpiS3Context;\r |
| 991 | ASSERT (AcpiS3Context != NULL);\r | |
| 992 | \r | |
| 993 | VarSize = sizeof (EFI_PHYSICAL_ADDRESS);\r | |
| 1f569620 | 994 | Status = RestoreLockBox (\r |
| 995 | &gEfiBootScriptExecutorVariableGuid,\r | |
| 996 | &TempEfiBootScriptExecutorVariable,\r | |
| 997 | &VarSize\r | |
| 998 | );\r | |
| 999 | ASSERT_EFI_ERROR (Status);\r | |
| 1000 | \r | |
| 1001 | Status = RestoreLockBox (\r | |
| 1002 | &gEfiBootScriptExecutorContextGuid,\r | |
| 1003 | NULL,\r | |
| 1004 | NULL\r | |
| 1005 | );\r | |
| 1006 | ASSERT_EFI_ERROR (Status);\r | |
| 1007 | \r | |
| 1008 | EfiBootScriptExecutorVariable = (BOOT_SCRIPT_EXECUTOR_VARIABLE *) (UINTN) TempEfiBootScriptExecutorVariable;\r | |
| 48ee8e3e | 1009 | ASSERT (EfiBootScriptExecutorVariable != NULL);\r |
| 1f569620 | 1010 | \r |
| c5719579 JF |
1011 | DEBUG (( DEBUG_INFO, "AcpiS3Context = %x\n", AcpiS3Context));\r |
| 1012 | DEBUG (( DEBUG_INFO, "Waking Vector = %x\n", ((EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable)))->FirmwareWakingVector));\r | |
| 1013 | DEBUG (( DEBUG_INFO, "AcpiS3Context->AcpiFacsTable = %x\n", AcpiS3Context->AcpiFacsTable));\r | |
| 1014 | DEBUG (( DEBUG_INFO, "AcpiS3Context->IdtrProfile = %x\n", AcpiS3Context->IdtrProfile)); \r | |
| 1015 | DEBUG (( DEBUG_INFO, "AcpiS3Context->S3NvsPageTableAddress = %x\n", AcpiS3Context->S3NvsPageTableAddress));\r | |
| 1016 | DEBUG (( DEBUG_INFO, "AcpiS3Context->S3DebugBufferAddress = %x\n", AcpiS3Context->S3DebugBufferAddress));\r | |
| 1017 | DEBUG (( DEBUG_INFO, "AcpiS3Context->BootScriptStackBase = %x\n", AcpiS3Context->BootScriptStackBase));\r | |
| 1018 | DEBUG (( DEBUG_INFO, "AcpiS3Context->BootScriptStackSize = %x\n", AcpiS3Context->BootScriptStackSize));\r | |
| 1019 | DEBUG (( DEBUG_INFO, "EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint = %x\n", EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint));\r | |
| 1f569620 | 1020 | \r |
| 1021 | //\r | |
| 1022 | // Additional step for BootScript integrity - we only handle BootScript and BootScriptExecutor.\r | |
| 1023 | // Script dispatch image and context (parameter) are handled by platform.\r | |
| 1024 | // We just use restore all lock box in place, no need restore one by one.\r | |
| 1025 | //\r | |
| 1026 | Status = RestoreAllLockBoxInPlace ();\r | |
| 1027 | ASSERT_EFI_ERROR (Status);\r | |
| 1028 | if (EFI_ERROR (Status)) {\r | |
| 1029 | // Something wrong\r | |
| 1030 | CpuDeadLoop ();\r | |
| 1031 | }\r | |
| 1032 | \r | |
| 3a69f7cb | 1033 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r |
| 1034 | //\r | |
| 1035 | // Need reconstruct page table here, since we do not trust ACPINvs.\r | |
| 1036 | //\r | |
| d0bf5623 JY |
1037 | if (IsLongModeWakingVector (AcpiS3Context)) {\r |
| 1038 | Build4GPageTableOnly = FALSE;\r | |
| 1039 | } else {\r | |
| 1040 | Build4GPageTableOnly = TRUE;\r | |
| 1041 | }\r | |
| 1042 | RestoreS3PageTables ((UINTN)AcpiS3Context->S3NvsPageTableAddress, Build4GPageTableOnly);\r | |
| 3a69f7cb | 1043 | }\r |
| 1044 | \r | |
| 1f569620 | 1045 | //\r |
| 1046 | // Attempt to use content from SMRAM first\r | |
| 1047 | //\r | |
| 1048 | GuidHob = GetFirstGuidHob (&gEfiAcpiVariableGuid);\r | |
| 1049 | if (GuidHob != NULL) {\r | |
| 40ef06fc SZ |
1050 | Status = PeiServicesLocatePpi (\r |
| 1051 | &gPeiSmmAccessPpiGuid,\r | |
| 1052 | 0,\r | |
| 1053 | NULL,\r | |
| 1054 | (VOID **) &SmmAccess\r | |
| 1055 | );\r | |
| 1056 | for (Index = 0; !EFI_ERROR (Status); Index++) {\r | |
| 1057 | Status = SmmAccess->Open ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, Index);\r | |
| 1058 | }\r | |
| 1059 | \r | |
| 1f569620 | 1060 | SmramDescriptor = (EFI_SMRAM_DESCRIPTOR *) GET_GUID_HOB_DATA (GuidHob);\r |
| 1061 | SmmS3ResumeState = (SMM_S3_RESUME_STATE *)(UINTN)SmramDescriptor->CpuStart;\r | |
| 1062 | \r | |
| 1063 | SmmS3ResumeState->ReturnCs = AsmReadCs ();\r | |
| 1064 | SmmS3ResumeState->ReturnEntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)S3ResumeExecuteBootScript;\r | |
| 1065 | SmmS3ResumeState->ReturnContext1 = (EFI_PHYSICAL_ADDRESS)(UINTN)AcpiS3Context;\r | |
| 1066 | SmmS3ResumeState->ReturnContext2 = (EFI_PHYSICAL_ADDRESS)(UINTN)EfiBootScriptExecutorVariable;\r | |
| f98f5ec3 | 1067 | SmmS3ResumeState->ReturnStackPointer = (EFI_PHYSICAL_ADDRESS)STACK_ALIGN_DOWN (&Status);\r |
| 1f569620 | 1068 | \r |
| c5719579 JF |
1069 | DEBUG (( DEBUG_INFO, "SMM S3 Signature = %x\n", SmmS3ResumeState->Signature));\r |
| 1070 | DEBUG (( DEBUG_INFO, "SMM S3 Stack Base = %x\n", SmmS3ResumeState->SmmS3StackBase));\r | |
| 1071 | DEBUG (( DEBUG_INFO, "SMM S3 Stack Size = %x\n", SmmS3ResumeState->SmmS3StackSize));\r | |
| 1072 | DEBUG (( DEBUG_INFO, "SMM S3 Resume Entry Point = %x\n", SmmS3ResumeState->SmmS3ResumeEntryPoint));\r | |
| 1073 | DEBUG (( DEBUG_INFO, "SMM S3 CR0 = %x\n", SmmS3ResumeState->SmmS3Cr0));\r | |
| 1074 | DEBUG (( DEBUG_INFO, "SMM S3 CR3 = %x\n", SmmS3ResumeState->SmmS3Cr3));\r | |
| 1075 | DEBUG (( DEBUG_INFO, "SMM S3 CR4 = %x\n", SmmS3ResumeState->SmmS3Cr4));\r | |
| 1076 | DEBUG (( DEBUG_INFO, "SMM S3 Return CS = %x\n", SmmS3ResumeState->ReturnCs));\r | |
| 1077 | DEBUG (( DEBUG_INFO, "SMM S3 Return Entry Point = %x\n", SmmS3ResumeState->ReturnEntryPoint));\r | |
| 1078 | DEBUG (( DEBUG_INFO, "SMM S3 Return Context1 = %x\n", SmmS3ResumeState->ReturnContext1));\r | |
| 1079 | DEBUG (( DEBUG_INFO, "SMM S3 Return Context2 = %x\n", SmmS3ResumeState->ReturnContext2));\r | |
| 1080 | DEBUG (( DEBUG_INFO, "SMM S3 Return Stack Pointer = %x\n", SmmS3ResumeState->ReturnStackPointer));\r | |
| 1081 | DEBUG (( DEBUG_INFO, "SMM S3 Smst = %x\n", SmmS3ResumeState->Smst));\r | |
| 1f569620 | 1082 | \r |
| 1f569620 | 1083 | if (SmmS3ResumeState->Signature == SMM_S3_RESUME_SMM_32) {\r |
| 1084 | SwitchStack (\r | |
| 1085 | (SWITCH_STACK_ENTRY_POINT)(UINTN)SmmS3ResumeState->SmmS3ResumeEntryPoint,\r | |
| 1086 | (VOID *)AcpiS3Context,\r | |
| 1087 | 0,\r | |
| 1088 | (VOID *)(UINTN)(SmmS3ResumeState->SmmS3StackBase + SmmS3ResumeState->SmmS3StackSize)\r | |
| 1089 | );\r | |
| 1090 | }\r | |
| 1091 | if (SmmS3ResumeState->Signature == SMM_S3_RESUME_SMM_64) {\r | |
| 1092 | //\r | |
| 1093 | // Switch to long mode to complete resume.\r | |
| 1094 | //\r | |
| 1095 | \r | |
| abef469f | 1096 | InterruptStatus = SaveAndDisableInterrupts ();\r |
| 1f569620 | 1097 | //\r |
| 1098 | // Need to make sure the GDT is loaded with values that support long mode and real mode.\r | |
| 1099 | //\r | |
| 1100 | AsmWriteGdtr (&mGdt);\r | |
| abef469f | 1101 | //\r |
| 1102 | // update segment selectors per the new GDT.\r | |
| 1103 | // \r | |
| 1104 | AsmSetDataSelectors (DATA_SEGEMENT_SELECTOR);\r | |
| 1105 | //\r | |
| 1106 | // Restore interrupt state.\r | |
| 1107 | //\r | |
| 1108 | SetInterruptState (InterruptStatus);\r | |
| 1109 | \r | |
| 1f569620 | 1110 | AsmWriteCr3 ((UINTN)SmmS3ResumeState->SmmS3Cr3);\r |
| f5c941b1 | 1111 | \r |
| 1112 | //\r | |
| 1113 | // Disable interrupt of Debug timer, since IDT table cannot work in long mode.\r | |
| 1114 | // NOTE: On x64 platforms, because DisablePaging64() will disable interrupts,\r | |
| 1115 | // the code in S3ResumeExecuteBootScript() cannot be halted by soft debugger.\r | |
| 1116 | //\r | |
| 1117 | SaveAndSetDebugTimerInterrupt (FALSE);\r | |
| 1118 | \r | |
| 1f569620 | 1119 | AsmEnablePaging64 (\r |
| 1120 | 0x38,\r | |
| 1121 | SmmS3ResumeState->SmmS3ResumeEntryPoint,\r | |
| 1122 | (UINT64)(UINTN)AcpiS3Context,\r | |
| 1123 | 0,\r | |
| 1124 | SmmS3ResumeState->SmmS3StackBase + SmmS3ResumeState->SmmS3StackSize\r | |
| 1125 | );\r | |
| 1126 | }\r | |
| 1127 | \r | |
| 1128 | }\r | |
| 1129 | \r | |
| 1130 | S3ResumeExecuteBootScript (AcpiS3Context, EfiBootScriptExecutorVariable );\r | |
| 1131 | return EFI_SUCCESS;\r | |
| 1132 | }\r | |
| 1133 | /**\r | |
| 1134 | Main entry for S3 Resume PEIM.\r | |
| 1135 | \r | |
| 1136 | This routine is to install EFI_PEI_S3_RESUME2_PPI.\r | |
| 1137 | \r | |
| 1138 | @param FileHandle Handle of the file being invoked.\r | |
| 1139 | @param PeiServices Pointer to PEI Services table.\r | |
| 1140 | \r | |
| 1141 | @retval EFI_SUCCESS S3Resume Ppi is installed successfully.\r | |
| 1142 | \r | |
| 1143 | **/\r | |
| 1144 | EFI_STATUS\r | |
| 1145 | EFIAPI\r | |
| 1146 | PeimS3ResumeEntryPoint (\r | |
| 1147 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
| 1148 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
| 1149 | )\r | |
| 1150 | {\r | |
| 1151 | EFI_STATUS Status;\r | |
| 1152 | \r | |
| 1153 | //\r | |
| 1154 | // Install S3 Resume Ppi\r | |
| 1155 | //\r | |
| 1156 | Status = (**PeiServices).InstallPpi (PeiServices, &mPpiList);\r | |
| 1157 | ASSERT_EFI_ERROR (Status);\r | |
| 1158 | \r | |
| 1159 | return EFI_SUCCESS;\r | |
| 1160 | }\r | |
| 1161 | \r |