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/S3Resume2.h>\r |
| 29 | #include <Ppi/SmmAccess.h>\r | |
| 30 | #include <Ppi/PostBootScriptTable.h>\r | |
| 31 | #include <Ppi/EndOfPeiPhase.h>\r | |
| 18b13fab ED |
32 | #include <Ppi/SmmCommunication.h>\r |
| 33 | \r | |
| 1f569620 | 34 | #include <Library/DebugLib.h>\r |
| 35 | #include <Library/BaseLib.h>\r | |
| 1f569620 | 36 | #include <Library/PeimEntryPoint.h>\r |
| 37 | #include <Library/PeiServicesLib.h>\r | |
| 38 | #include <Library/HobLib.h>\r | |
| 39 | #include <Library/PerformanceLib.h>\r | |
| 40 | #include <Library/PeiServicesTablePointerLib.h>\r | |
| 41 | #include <Library/IoLib.h>\r | |
| 42 | #include <Library/BaseMemoryLib.h>\r | |
| 43 | #include <Library/MemoryAllocationLib.h>\r | |
| 44 | #include <Library/PcdLib.h>\r | |
| 45 | #include <Library/DebugAgentLib.h>\r | |
| 46 | #include <Library/LocalApicLib.h>\r | |
| 47 | #include <Library/ReportStatusCodeLib.h>\r | |
| 997731e7 | 48 | \r |
| c56b6566 | 49 | #include <Library/HobLib.h>\r |
| 1f569620 | 50 | #include <Library/LockBoxLib.h>\r |
| 51 | #include <IndustryStandard/Acpi.h>\r | |
| 52 | \r | |
| f98f5ec3 LE |
53 | /**\r |
| 54 | This macro aligns the address of a variable with auto storage\r | |
| 55 | duration down to CPU_STACK_ALIGNMENT.\r | |
| 56 | \r | |
| 57 | Since the stack grows downward, the result preserves more of the\r | |
| 58 | stack than the original address (or the same amount), not less.\r | |
| 59 | **/\r | |
| 60 | #define STACK_ALIGN_DOWN(Ptr) \\r | |
| 61 | ((UINTN)(Ptr) & ~(UINTN)(CPU_STACK_ALIGNMENT - 1))\r | |
| 62 | \r | |
| 787a085b LD |
63 | #define PAGING_1G_ADDRESS_MASK_64 0x000FFFFFC0000000ull\r |
| 64 | \r | |
| 1f569620 | 65 | #pragma pack(1)\r |
| 66 | typedef union {\r | |
| 67 | struct {\r | |
| 68 | UINT32 LimitLow : 16;\r | |
| 69 | UINT32 BaseLow : 16;\r | |
| 70 | UINT32 BaseMid : 8;\r | |
| 71 | UINT32 Type : 4;\r | |
| 72 | UINT32 System : 1;\r | |
| 73 | UINT32 Dpl : 2;\r | |
| 74 | UINT32 Present : 1;\r | |
| 75 | UINT32 LimitHigh : 4;\r | |
| 76 | UINT32 Software : 1;\r | |
| 77 | UINT32 Reserved : 1;\r | |
| 78 | UINT32 DefaultSize : 1;\r | |
| 79 | UINT32 Granularity : 1;\r | |
| 80 | UINT32 BaseHigh : 8;\r | |
| 81 | } Bits;\r | |
| 82 | UINT64 Uint64;\r | |
| 83 | } IA32_GDT;\r | |
| 84 | \r | |
| 85 | //\r | |
| 86 | // Page-Map Level-4 Offset (PML4) and\r | |
| 87 | // Page-Directory-Pointer Offset (PDPE) entries 4K & 2MB\r | |
| 88 | //\r | |
| 89 | typedef union {\r | |
| 90 | struct {\r | |
| 91 | UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory\r | |
| 92 | UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write\r | |
| 93 | UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User\r | |
| 94 | UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching\r | |
| 95 | UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached\r | |
| 96 | UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU)\r | |
| 97 | UINT64 Reserved:1; // Reserved\r | |
| 98 | UINT64 MustBeZero:2; // Must Be Zero\r | |
| 99 | UINT64 Available:3; // Available for use by system software\r | |
| 100 | UINT64 PageTableBaseAddress:40; // Page Table Base Address\r | |
| 101 | UINT64 AvabilableHigh:11; // Available for use by system software\r | |
| 102 | UINT64 Nx:1; // No Execute bit\r | |
| 103 | } Bits;\r | |
| 104 | UINT64 Uint64;\r | |
| 105 | } PAGE_MAP_AND_DIRECTORY_POINTER;\r | |
| 106 | \r | |
| 107 | //\r | |
| 108 | // Page Table Entry 2MB\r | |
| 109 | //\r | |
| 110 | typedef union {\r | |
| 111 | struct {\r | |
| 112 | UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory\r | |
| 113 | UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write\r | |
| 114 | UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User\r | |
| 115 | UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching\r | |
| 116 | UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached\r | |
| 117 | UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU)\r | |
| 118 | UINT64 Dirty:1; // 0 = Not Dirty, 1 = written by processor on access to page\r | |
| 7367cc6c | 119 | UINT64 MustBe1:1; // Must be 1\r |
| 1f569620 | 120 | UINT64 Global:1; // 0 = Not global page, 1 = global page TLB not cleared on CR3 write\r |
| 121 | UINT64 Available:3; // Available for use by system software\r | |
| 122 | UINT64 PAT:1; //\r | |
| 123 | UINT64 MustBeZero:8; // Must be zero;\r | |
| 124 | UINT64 PageTableBaseAddress:31; // Page Table Base Address\r | |
| 125 | UINT64 AvabilableHigh:11; // Available for use by system software\r | |
| 126 | UINT64 Nx:1; // 0 = Execute Code, 1 = No Code Execution\r | |
| 127 | } Bits;\r | |
| 128 | UINT64 Uint64;\r | |
| 129 | } PAGE_TABLE_ENTRY;\r | |
| 130 | \r | |
| c56b6566 JY |
131 | //\r |
| 132 | // Page Table Entry 1GB\r | |
| 133 | //\r | |
| 134 | typedef union {\r | |
| 135 | struct {\r | |
| 136 | UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory\r | |
| 137 | UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write\r | |
| 138 | UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User\r | |
| 139 | UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching\r | |
| 140 | UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached\r | |
| 141 | UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU)\r | |
| 142 | UINT64 Dirty:1; // 0 = Not Dirty, 1 = written by processor on access to page\r | |
| 7367cc6c | 143 | UINT64 MustBe1:1; // Must be 1\r |
| c56b6566 JY |
144 | UINT64 Global:1; // 0 = Not global page, 1 = global page TLB not cleared on CR3 write\r |
| 145 | UINT64 Available:3; // Available for use by system software\r | |
| 146 | UINT64 PAT:1; //\r | |
| 147 | UINT64 MustBeZero:17; // Must be zero;\r | |
| 148 | UINT64 PageTableBaseAddress:22; // Page Table Base Address\r | |
| 149 | UINT64 AvabilableHigh:11; // Available for use by system software\r | |
| 150 | UINT64 Nx:1; // 0 = Execute Code, 1 = No Code Execution\r | |
| 151 | } Bits;\r | |
| 152 | UINT64 Uint64;\r | |
| 153 | } PAGE_TABLE_1G_ENTRY;\r | |
| 154 | \r | |
| 18b13fab ED |
155 | //\r |
| 156 | // Define two type of smm communicate headers.\r | |
| a85e7127 | 157 | // One for 32 bits PEI + 64 bits DXE, the other for 32 bits PEI + 32 bits DXE case.\r |
| 18b13fab ED |
158 | //\r |
| 159 | typedef struct {\r | |
| 160 | EFI_GUID HeaderGuid;\r | |
| 161 | UINT32 MessageLength;\r | |
| 162 | UINT8 Data[1];\r | |
| 163 | } SMM_COMMUNICATE_HEADER_32;\r | |
| 164 | \r | |
| 165 | typedef struct {\r | |
| 166 | EFI_GUID HeaderGuid;\r | |
| 167 | UINT64 MessageLength;\r | |
| 168 | UINT8 Data[1];\r | |
| 169 | } SMM_COMMUNICATE_HEADER_64;\r | |
| 170 | \r | |
| 1f569620 | 171 | #pragma pack()\r |
| 172 | \r | |
| 173 | //\r | |
| 174 | // Function prototypes\r | |
| 175 | //\r | |
| 176 | /**\r | |
| 177 | a ASM function to transfer control to OS.\r | |
| 7367cc6c | 178 | \r |
| 1f569620 | 179 | @param S3WakingVector The S3 waking up vector saved in ACPI Facs table\r |
| 7367cc6c | 180 | @param AcpiLowMemoryBase a buffer under 1M which could be used during the transfer\r |
| 1f569620 | 181 | **/\r |
| 182 | typedef\r | |
| 183 | VOID\r | |
| 184 | (EFIAPI *ASM_TRANSFER_CONTROL) (\r | |
| 185 | IN UINT32 S3WakingVector,\r | |
| 186 | IN UINT32 AcpiLowMemoryBase\r | |
| 187 | );\r | |
| 188 | \r | |
| 189 | /**\r | |
| 190 | Restores the platform to its preboot configuration for an S3 resume and\r | |
| 191 | jumps to the OS waking vector.\r | |
| 192 | \r | |
| 193 | This function will restore the platform to its pre-boot configuration that was\r | |
| 194 | pre-stored in the boot script table and transfer control to OS waking vector.\r | |
| 195 | Upon invocation, this function is responsible for locating the following\r | |
| 196 | information before jumping to OS waking vector:\r | |
| 197 | - ACPI tables\r | |
| 198 | - boot script table\r | |
| 199 | - any other information that it needs\r | |
| 200 | \r | |
| 201 | The S3RestoreConfig() function then executes the pre-stored boot script table\r | |
| 202 | and transitions the platform to the pre-boot state. The boot script is recorded\r | |
| 203 | during regular boot using the EFI_S3_SAVE_STATE_PROTOCOL.Write() and\r | |
| 204 | EFI_S3_SMM_SAVE_STATE_PROTOCOL.Write() functions. Finally, this function\r | |
| 205 | transfers control to the OS waking vector. If the OS supports only a real-mode\r | |
| 206 | waking vector, this function will switch from flat mode to real mode before\r | |
| 207 | jumping to the waking vector. If all platform pre-boot configurations are\r | |
| 208 | successfully restored and all other necessary information is ready, this\r | |
| 209 | function will never return and instead will directly jump to the OS waking\r | |
| 210 | vector. If this function returns, it indicates that the attempt to resume\r | |
| 211 | from the ACPI S3 sleep state failed.\r | |
| 212 | \r | |
| 213 | @param[in] This Pointer to this instance of the PEI_S3_RESUME_PPI\r | |
| 214 | \r | |
| 215 | @retval EFI_ABORTED Execution of the S3 resume boot script table failed.\r | |
| 216 | @retval EFI_NOT_FOUND Some necessary information that is used for the S3\r | |
| 217 | resume boot path could not be located.\r | |
| 218 | \r | |
| 219 | **/\r | |
| 220 | EFI_STATUS\r | |
| 221 | EFIAPI\r | |
| 222 | S3RestoreConfig2 (\r | |
| 223 | IN EFI_PEI_S3_RESUME2_PPI *This\r | |
| 224 | );\r | |
| 225 | \r | |
| abef469f | 226 | /**\r |
| 227 | Set data segment selectors value including DS/ES/FS/GS/SS.\r | |
| 228 | \r | |
| 229 | @param[in] SelectorValue Segment selector value to be set.\r | |
| 230 | \r | |
| 231 | **/\r | |
| 232 | VOID\r | |
| 233 | EFIAPI\r | |
| 234 | AsmSetDataSelectors (\r | |
| 235 | IN UINT16 SelectorValue\r | |
| 236 | );\r | |
| 237 | \r | |
| 1f569620 | 238 | //\r |
| 239 | // Globals\r | |
| 240 | //\r | |
| 241 | EFI_PEI_S3_RESUME2_PPI mS3ResumePpi = { S3RestoreConfig2 };\r | |
| 242 | \r | |
| 243 | EFI_PEI_PPI_DESCRIPTOR mPpiList = {\r | |
| 244 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
| 245 | &gEfiPeiS3Resume2PpiGuid,\r | |
| 246 | &mS3ResumePpi\r | |
| 247 | };\r | |
| 248 | \r | |
| 249 | EFI_PEI_PPI_DESCRIPTOR mPpiListPostScriptTable = {\r | |
| 250 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
| 251 | &gPeiPostScriptTablePpiGuid,\r | |
| 252 | 0\r | |
| 253 | };\r | |
| 254 | \r | |
| 255 | EFI_PEI_PPI_DESCRIPTOR mPpiListEndOfPeiTable = {\r | |
| 256 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
| 257 | &gEfiEndOfPeiSignalPpiGuid,\r | |
| 258 | 0\r | |
| 259 | };\r | |
| 260 | \r | |
| 5b29e438 SZ |
261 | EFI_PEI_PPI_DESCRIPTOR mPpiListS3SmmInitDoneTable = {\r |
| 262 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
| 263 | &gEdkiiS3SmmInitDoneGuid,\r | |
| 264 | 0\r | |
| 265 | };\r | |
| 266 | \r | |
| 1f569620 | 267 | //\r |
| 268 | // Global Descriptor Table (GDT)\r | |
| 269 | //\r | |
| 270 | GLOBAL_REMOVE_IF_UNREFERENCED IA32_GDT mGdtEntries[] = {\r | |
| 271 | /* selector { Global Segment Descriptor } */\r | |
| 272 | /* 0x00 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},\r | |
| 273 | /* 0x08 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},\r | |
| 274 | /* 0x10 */ {{0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 0, 1, 1, 0}},\r | |
| 275 | /* 0x18 */ {{0xFFFF, 0, 0, 0x3, 1, 0, 1, 0xF, 0, 0, 1, 1, 0}},\r | |
| 276 | /* 0x20 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},\r | |
| 277 | /* 0x28 */ {{0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 0, 0, 1, 0}},\r | |
| 278 | /* 0x30 */ {{0xFFFF, 0, 0, 0x3, 1, 0, 1, 0xF, 0, 0, 0, 1, 0}},\r | |
| 279 | /* 0x38 */ {{0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 1, 0, 1, 0}},\r | |
| 280 | /* 0x40 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},\r | |
| 281 | };\r | |
| 282 | \r | |
| abef469f | 283 | #define DATA_SEGEMENT_SELECTOR 0x18\r |
| 284 | \r | |
| 1f569620 | 285 | //\r |
| 286 | // IA32 Gdt register\r | |
| 287 | //\r | |
| 288 | GLOBAL_REMOVE_IF_UNREFERENCED CONST IA32_DESCRIPTOR mGdt = {\r | |
| 289 | sizeof (mGdtEntries) - 1,\r | |
| 290 | (UINTN) mGdtEntries\r | |
| 291 | };\r | |
| 292 | \r | |
| 1f569620 | 293 | \r |
| d0bf5623 JY |
294 | /**\r |
| 295 | The function will check if current waking vector is long mode.\r | |
| 296 | \r | |
| 297 | @param AcpiS3Context a pointer to a structure of ACPI_S3_CONTEXT\r | |
| 298 | \r | |
| 299 | @retval TRUE Current context need long mode waking vector.\r | |
| 300 | @retval FALSE Current context need not long mode waking vector.\r | |
| 301 | **/\r | |
| 302 | BOOLEAN\r | |
| 303 | IsLongModeWakingVector (\r | |
| 304 | IN ACPI_S3_CONTEXT *AcpiS3Context\r | |
| 305 | )\r | |
| 306 | {\r | |
| 307 | EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs;\r | |
| 308 | \r | |
| 309 | Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable));\r | |
| 310 | if ((Facs == NULL) ||\r | |
| 311 | (Facs->Signature != EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r | |
| 312 | ((Facs->FirmwareWakingVector == 0) && (Facs->XFirmwareWakingVector == 0)) ) {\r | |
| 313 | // Something wrong with FACS\r | |
| 314 | return FALSE;\r | |
| 315 | }\r | |
| 316 | if (Facs->XFirmwareWakingVector != 0) {\r | |
| 317 | if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&\r | |
| 318 | ((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0) &&\r | |
| 319 | ((Facs->Flags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {\r | |
| 320 | // Both BIOS and OS wants 64bit vector\r | |
| 321 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r | |
| 322 | return TRUE;\r | |
| 323 | }\r | |
| 324 | }\r | |
| 325 | }\r | |
| 326 | return FALSE;\r | |
| 327 | }\r | |
| 328 | \r | |
| 18b13fab | 329 | /**\r |
| 5b29e438 SZ |
330 | Signal to SMM through communication buffer way.\r |
| 331 | \r | |
| 332 | @param[in] HandlerType SMI handler type to be signaled.\r | |
| 18b13fab | 333 | \r |
| 18b13fab | 334 | **/\r |
| 5b29e438 SZ |
335 | VOID\r |
| 336 | SignalToSmmByCommunication (\r | |
| 337 | IN EFI_GUID *HandlerType\r | |
| 18b13fab ED |
338 | )\r |
| 339 | {\r | |
| 340 | EFI_STATUS Status;\r | |
| 341 | EFI_PEI_SMM_COMMUNICATION_PPI *SmmCommunicationPpi;\r | |
| 342 | UINTN CommSize;\r | |
| 343 | SMM_COMMUNICATE_HEADER_32 Header32;\r | |
| 344 | SMM_COMMUNICATE_HEADER_64 Header64;\r | |
| 345 | VOID *CommBuffer;\r | |
| 346 | \r | |
| 5b29e438 | 347 | DEBUG ((DEBUG_INFO, "Signal %g to SMM - Enter\n", HandlerType));\r |
| 18b13fab ED |
348 | \r |
| 349 | //\r | |
| 350 | // This buffer consumed in DXE phase, so base on DXE mode to prepare communicate buffer.\r | |
| 351 | // Detect whether DXE is 64 bits mode.\r | |
| 352 | // if (sizeof(UINTN) == sizeof(UINT64), PEI already 64 bits, assume DXE also 64 bits.\r | |
| a85e7127 | 353 | // or (FeaturePcdGet (PcdDxeIplSwitchToLongMode)), DXE will switch to 64 bits.\r |
| 18b13fab ED |
354 | //\r |
| 355 | if ((sizeof(UINTN) == sizeof(UINT64)) || (FeaturePcdGet (PcdDxeIplSwitchToLongMode))) {\r | |
| 356 | CommBuffer = &Header64;\r | |
| 357 | Header64.MessageLength = 0;\r | |
| 358 | CommSize = OFFSET_OF (SMM_COMMUNICATE_HEADER_64, Data);\r | |
| 359 | } else {\r | |
| 360 | CommBuffer = &Header32;\r | |
| 361 | Header32.MessageLength = 0;\r | |
| 362 | CommSize = OFFSET_OF (SMM_COMMUNICATE_HEADER_32, Data);\r | |
| 363 | }\r | |
| 5b29e438 | 364 | CopyGuid (CommBuffer, HandlerType);\r |
| 18b13fab | 365 | \r |
| 18b13fab ED |
366 | Status = PeiServicesLocatePpi (\r |
| 367 | &gEfiPeiSmmCommunicationPpiGuid,\r | |
| 368 | 0,\r | |
| 369 | NULL,\r | |
| 370 | (VOID **)&SmmCommunicationPpi\r | |
| 371 | );\r | |
| 152e8d76 ED |
372 | if (EFI_ERROR (Status)) {\r |
| 373 | DEBUG ((DEBUG_ERROR, "Locate Smm Communicate Ppi failed (%r)!\n", Status));\r | |
| 5b29e438 | 374 | return;\r |
| 152e8d76 | 375 | }\r |
| 18b13fab | 376 | \r |
| 18b13fab ED |
377 | Status = SmmCommunicationPpi->Communicate (\r |
| 378 | SmmCommunicationPpi,\r | |
| 379 | (VOID *)CommBuffer,\r | |
| 380 | &CommSize\r | |
| 381 | );\r | |
| 152e8d76 ED |
382 | if (EFI_ERROR (Status)) {\r |
| 383 | DEBUG ((DEBUG_ERROR, "SmmCommunicationPpi->Communicate return failure (%r)!\n", Status));\r | |
| 384 | }\r | |
| 18b13fab | 385 | \r |
| 5b29e438 SZ |
386 | DEBUG ((DEBUG_INFO, "Signal %g to SMM - Exit (%r)\n", HandlerType, Status));\r |
| 387 | return;\r | |
| 18b13fab ED |
388 | }\r |
| 389 | \r | |
| 1f569620 | 390 | /**\r |
| 391 | Jump to OS waking vector.\r | |
| 392 | The function will install boot script done PPI, report S3 resume status code, and then jump to OS waking vector.\r | |
| 393 | \r | |
| 394 | @param AcpiS3Context a pointer to a structure of ACPI_S3_CONTEXT\r | |
| 395 | @param PeiS3ResumeState a pointer to a structure of PEI_S3_RESUME_STATE\r | |
| 396 | **/\r | |
| 397 | VOID\r | |
| 398 | EFIAPI\r | |
| 399 | S3ResumeBootOs (\r | |
| 400 | IN ACPI_S3_CONTEXT *AcpiS3Context,\r | |
| 401 | IN PEI_S3_RESUME_STATE *PeiS3ResumeState\r | |
| 402 | )\r | |
| 403 | {\r | |
| 404 | EFI_STATUS Status;\r | |
| 405 | EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs;\r | |
| 406 | ASM_TRANSFER_CONTROL AsmTransferControl;\r | |
| 407 | UINTN TempStackTop;\r | |
| 408 | UINTN TempStack[0x10];\r | |
| 409 | \r | |
| 410 | //\r | |
| 411 | // Restore IDT\r | |
| 412 | //\r | |
| 413 | AsmWriteIdtr (&PeiS3ResumeState->Idtr);\r | |
| 414 | \r | |
| f6d5cbe7 | 415 | if (PeiS3ResumeState->ReturnStatus != EFI_SUCCESS) {\r |
| 416 | //\r | |
| 417 | // Report Status code that boot script execution is failed\r | |
| 418 | //\r | |
| 419 | REPORT_STATUS_CODE (\r | |
| 420 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
| 421 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_BOOT_SCRIPT_ERROR)\r | |
| 422 | );\r | |
| 423 | }\r | |
| 424 | \r | |
| f5c941b1 | 425 | //\r |
| 7367cc6c | 426 | // NOTE: Because Debug Timer interrupt and system interrupts will be disabled\r |
| f5c941b1 | 427 | // in BootScriptExecuteDxe, the rest code in S3ResumeBootOs() cannot be halted\r |
| 428 | // by soft debugger.\r | |
| 429 | //\r | |
| 430 | \r | |
| e5735040 | 431 | PERF_INMODULE_END ("ScriptExec");\r |
| 5c0687cc | 432 | \r |
| 1f569620 | 433 | //\r |
| 434 | // Install BootScriptDonePpi\r | |
| 435 | //\r | |
| e5735040 | 436 | PERF_INMODULE_BEGIN ("BootScriptDonePpi");\r |
| 582e4e44 | 437 | \r |
| 1f569620 | 438 | Status = PeiServicesInstallPpi (&mPpiListPostScriptTable);\r |
| 439 | ASSERT_EFI_ERROR (Status);\r | |
| 440 | \r | |
| e5735040 | 441 | PERF_INMODULE_END ("BootScriptDonePpi");\r |
| 582e4e44 | 442 | \r |
| 1f569620 | 443 | //\r |
| 444 | // Get ACPI Table Address\r | |
| 445 | //\r | |
| 446 | Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable));\r | |
| 447 | \r | |
| 448 | if ((Facs == NULL) ||\r | |
| 449 | (Facs->Signature != EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r | |
| 450 | ((Facs->FirmwareWakingVector == 0) && (Facs->XFirmwareWakingVector == 0)) ) {\r | |
| f6d5cbe7 | 451 | //\r |
| 452 | // Report Status code that no valid vector is found\r | |
| 453 | //\r | |
| 454 | REPORT_STATUS_CODE (\r | |
| 455 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
| 456 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)\r | |
| 457 | );\r | |
| 1f569620 | 458 | CpuDeadLoop ();\r |
| 459 | return ;\r | |
| 460 | }\r | |
| 461 | \r | |
| 1f569620 | 462 | //\r |
| 463 | // Install EndOfPeiPpi\r | |
| 464 | //\r | |
| e5735040 | 465 | PERF_INMODULE_BEGIN("EndOfPeiPpi");\r |
| 582e4e44 | 466 | \r |
| 1f569620 | 467 | Status = PeiServicesInstallPpi (&mPpiListEndOfPeiTable);\r |
| 468 | ASSERT_EFI_ERROR (Status);\r | |
| 469 | \r | |
| e5735040 | 470 | PERF_INMODULE_END("EndOfPeiPpi");\r |
| 582e4e44 | 471 | \r |
| e5735040 | 472 | PERF_INMODULE_BEGIN("EndOfS3Resume");\r |
| 582e4e44 | 473 | \r |
| 5b29e438 SZ |
474 | DEBUG ((DEBUG_INFO, "Signal EndOfS3Resume\n"));\r |
| 475 | //\r | |
| 476 | // Signal EndOfS3Resume to SMM.\r | |
| 477 | //\r | |
| 478 | SignalToSmmByCommunication (&gEdkiiEndOfS3ResumeGuid);\r | |
| 18b13fab | 479 | \r |
| e5735040 | 480 | PERF_INMODULE_END ("EndOfS3Resume");\r |
| 582e4e44 | 481 | \r |
| 26c0ba77 SZ |
482 | //\r |
| 483 | // report status code on S3 resume\r | |
| 484 | //\r | |
| 485 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_OS_WAKE);\r | |
| 486 | \r | |
| 1f569620 | 487 | AsmTransferControl = (ASM_TRANSFER_CONTROL)(UINTN)PeiS3ResumeState->AsmTransferControl;\r |
| 488 | if (Facs->XFirmwareWakingVector != 0) {\r | |
| 489 | //\r | |
| 490 | // Switch to native waking vector\r | |
| 491 | //\r | |
| 492 | TempStackTop = (UINTN)&TempStack + sizeof(TempStack);\r | |
| af34c106 JF |
493 | DEBUG ((\r |
| 494 | DEBUG_INFO,\r | |
| 495 | "%a() Stack Base: 0x%x, Stack Size: 0x%x\n",\r | |
| 496 | __FUNCTION__,\r | |
| 497 | TempStackTop,\r | |
| 498 | sizeof (TempStack)\r | |
| 499 | ));\r | |
| 1f569620 | 500 | if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&\r |
| 501 | ((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0) &&\r | |
| 502 | ((Facs->Flags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {\r | |
| 503 | //\r | |
| 504 | // X64 long mode waking vector\r | |
| 505 | //\r | |
| c5719579 | 506 | DEBUG ((DEBUG_INFO, "Transfer to 64bit OS waking vector - %x\r\n", (UINTN)Facs->XFirmwareWakingVector));\r |
| 1f569620 | 507 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r |
| 508 | AsmEnablePaging64 (\r | |
| 509 | 0x38,\r | |
| 510 | Facs->XFirmwareWakingVector,\r | |
| 511 | 0,\r | |
| 512 | 0,\r | |
| 513 | (UINT64)(UINTN)TempStackTop\r | |
| 514 | );\r | |
| 515 | } else {\r | |
| f6d5cbe7 | 516 | //\r |
| 517 | // Report Status code that no valid waking vector is found\r | |
| 518 | //\r | |
| 519 | REPORT_STATUS_CODE (\r | |
| 520 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
| 521 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)\r | |
| 522 | );\r | |
| 1f569620 | 523 | DEBUG (( EFI_D_ERROR, "Unsupported for 32bit DXE transfer to 64bit OS waking vector!\r\n"));\r |
| 524 | ASSERT (FALSE);\r | |
| f6d5cbe7 | 525 | CpuDeadLoop ();\r |
| 526 | return ;\r | |
| 1f569620 | 527 | }\r |
| 528 | } else {\r | |
| 529 | //\r | |
| 530 | // IA32 protected mode waking vector (Page disabled)\r | |
| 531 | //\r | |
| c5719579 | 532 | DEBUG ((DEBUG_INFO, "Transfer to 32bit OS waking vector - %x\r\n", (UINTN)Facs->XFirmwareWakingVector));\r |
| 1f569620 | 533 | SwitchStack (\r |
| 534 | (SWITCH_STACK_ENTRY_POINT) (UINTN) Facs->XFirmwareWakingVector,\r | |
| 535 | NULL,\r | |
| 536 | NULL,\r | |
| 537 | (VOID *)(UINTN)TempStackTop\r | |
| 538 | );\r | |
| 539 | }\r | |
| 540 | } else {\r | |
| 541 | //\r | |
| 542 | // 16bit Realmode waking vector\r | |
| 543 | //\r | |
| c5719579 | 544 | DEBUG ((DEBUG_INFO, "Transfer to 16bit OS waking vector - %x\r\n", (UINTN)Facs->FirmwareWakingVector));\r |
| 1f569620 | 545 | AsmTransferControl (Facs->FirmwareWakingVector, 0x0);\r |
| 546 | }\r | |
| 547 | \r | |
| f6d5cbe7 | 548 | //\r |
| 549 | // Report Status code the failure of S3Resume\r | |
| 550 | //\r | |
| 551 | REPORT_STATUS_CODE (\r | |
| 552 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
| 553 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)\r | |
| 554 | );\r | |
| 555 | \r | |
| 1f569620 | 556 | //\r |
| 557 | // Never run to here\r | |
| 558 | //\r | |
| 559 | CpuDeadLoop();\r | |
| 560 | }\r | |
| 561 | \r | |
| 562 | /**\r | |
| 563 | Restore S3 page table because we do not trust ACPINvs content.\r | |
| 7367cc6c | 564 | If BootScriptExector driver will not run in 64-bit mode, this function will do nothing.\r |
| 1f569620 | 565 | \r |
| 566 | @param S3NvsPageTableAddress PageTableAddress in ACPINvs\r | |
| d0bf5623 | 567 | @param Build4GPageTableOnly If BIOS just build 4G page table only\r |
| 1f569620 | 568 | **/\r |
| 569 | VOID\r | |
| 570 | RestoreS3PageTables (\r | |
| d0bf5623 JY |
571 | IN UINTN S3NvsPageTableAddress,\r |
| 572 | IN BOOLEAN Build4GPageTableOnly\r | |
| 1f569620 | 573 | )\r |
| 574 | {\r | |
| 575 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r | |
| 576 | UINT32 RegEax;\r | |
| c56b6566 | 577 | UINT32 RegEdx;\r |
| 1f569620 | 578 | UINT8 PhysicalAddressBits;\r |
| 579 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
| 580 | UINTN IndexOfPml4Entries;\r | |
| 581 | UINTN IndexOfPdpEntries;\r | |
| 582 | UINTN IndexOfPageDirectoryEntries;\r | |
| c56b6566 JY |
583 | UINT32 NumberOfPml4EntriesNeeded;\r |
| 584 | UINT32 NumberOfPdpEntriesNeeded;\r | |
| 1f569620 | 585 | PAGE_MAP_AND_DIRECTORY_POINTER *PageMapLevel4Entry;\r |
| 586 | PAGE_MAP_AND_DIRECTORY_POINTER *PageMap;\r | |
| 587 | PAGE_MAP_AND_DIRECTORY_POINTER *PageDirectoryPointerEntry;\r | |
| 588 | PAGE_TABLE_ENTRY *PageDirectoryEntry;\r | |
| c56b6566 JY |
589 | VOID *Hob;\r |
| 590 | BOOLEAN Page1GSupport;\r | |
| 591 | PAGE_TABLE_1G_ENTRY *PageDirectory1GEntry;\r | |
| 787a085b LD |
592 | UINT64 AddressEncMask;\r |
| 593 | \r | |
| 594 | //\r | |
| 595 | // Make sure AddressEncMask is contained to smallest supported address field\r | |
| 596 | //\r | |
| 597 | AddressEncMask = PcdGet64 (PcdPteMemoryEncryptionAddressOrMask) & PAGING_1G_ADDRESS_MASK_64;\r | |
| 1f569620 | 598 | \r |
| 599 | //\r | |
| 600 | // NOTE: We have to ASSUME the page table generation format, because we do not know whole page table information.\r | |
| 601 | // The whole page table is too large to be saved in SMRAM.\r | |
| 602 | //\r | |
| 438f1766 | 603 | // The assumption is : whole page table is allocated in CONTINUOUS memory and CR3 points to TOP page.\r |
| 1f569620 | 604 | //\r |
| c5719579 | 605 | DEBUG ((DEBUG_INFO, "S3NvsPageTableAddress - %x (%x)\n", (UINTN)S3NvsPageTableAddress, (UINTN)Build4GPageTableOnly));\r |
| 1f569620 | 606 | \r |
| 607 | //\r | |
| 438f1766 | 608 | // By architecture only one PageMapLevel4 exists - so lets allocate storage for it.\r |
| 1f569620 | 609 | //\r |
| 610 | PageMap = (PAGE_MAP_AND_DIRECTORY_POINTER *)S3NvsPageTableAddress;\r | |
| 611 | S3NvsPageTableAddress += SIZE_4KB;\r | |
| 7367cc6c | 612 | \r |
| c56b6566 | 613 | Page1GSupport = FALSE;\r |
| 378175d2 JY |
614 | if (PcdGetBool(PcdUse1GPageTable)) {\r |
| 615 | AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);\r | |
| 616 | if (RegEax >= 0x80000001) {\r | |
| 617 | AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);\r | |
| 618 | if ((RegEdx & BIT26) != 0) {\r | |
| 619 | Page1GSupport = TRUE;\r | |
| 620 | }\r | |
| c56b6566 JY |
621 | }\r |
| 622 | }\r | |
| 7367cc6c | 623 | \r |
| 1f569620 | 624 | //\r |
| 625 | // Get physical address bits supported.\r | |
| 626 | //\r | |
| c56b6566 JY |
627 | Hob = GetFirstHob (EFI_HOB_TYPE_CPU);\r |
| 628 | if (Hob != NULL) {\r | |
| 629 | PhysicalAddressBits = ((EFI_HOB_CPU *) Hob)->SizeOfMemorySpace;\r | |
| 1f569620 | 630 | } else {\r |
| c56b6566 JY |
631 | AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);\r |
| 632 | if (RegEax >= 0x80000008) {\r | |
| 633 | AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);\r | |
| 634 | PhysicalAddressBits = (UINT8) RegEax;\r | |
| 635 | } else {\r | |
| 636 | PhysicalAddressBits = 36;\r | |
| 637 | }\r | |
| 1f569620 | 638 | }\r |
| 7367cc6c | 639 | \r |
| c56b6566 JY |
640 | //\r |
| 641 | // IA-32e paging translates 48-bit linear addresses to 52-bit physical addresses.\r | |
| 642 | //\r | |
| 643 | ASSERT (PhysicalAddressBits <= 52);\r | |
| 644 | if (PhysicalAddressBits > 48) {\r | |
| 645 | PhysicalAddressBits = 48;\r | |
| 646 | }\r | |
| 647 | \r | |
| d0bf5623 JY |
648 | //\r |
| 649 | // NOTE: In order to save time to create full page table, we just create 4G page table by default.\r | |
| 650 | // And let PF handler in BootScript driver to create more on request.\r | |
| 651 | //\r | |
| 652 | if (Build4GPageTableOnly) {\r | |
| 653 | PhysicalAddressBits = 32;\r | |
| 654 | ZeroMem (PageMap, EFI_PAGES_TO_SIZE(2));\r | |
| 655 | }\r | |
| 1f569620 | 656 | //\r |
| 657 | // Calculate the table entries needed.\r | |
| 658 | //\r | |
| 659 | if (PhysicalAddressBits <= 39) {\r | |
| 660 | NumberOfPml4EntriesNeeded = 1;\r | |
| c56b6566 | 661 | NumberOfPdpEntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 30));\r |
| 1f569620 | 662 | } else {\r |
| c56b6566 | 663 | NumberOfPml4EntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 39));\r |
| 1f569620 | 664 | NumberOfPdpEntriesNeeded = 512;\r |
| 665 | }\r | |
| 7367cc6c | 666 | \r |
| 1f569620 | 667 | PageMapLevel4Entry = PageMap;\r |
| 668 | PageAddress = 0;\r | |
| 669 | for (IndexOfPml4Entries = 0; IndexOfPml4Entries < NumberOfPml4EntriesNeeded; IndexOfPml4Entries++, PageMapLevel4Entry++) {\r | |
| 670 | //\r | |
| 671 | // Each PML4 entry points to a page of Page Directory Pointer entires.\r | |
| 672 | // So lets allocate space for them and fill them in in the IndexOfPdpEntries loop.\r | |
| 673 | //\r | |
| 674 | PageDirectoryPointerEntry = (PAGE_MAP_AND_DIRECTORY_POINTER *)S3NvsPageTableAddress;\r | |
| 675 | S3NvsPageTableAddress += SIZE_4KB;\r | |
| 7367cc6c | 676 | \r |
| 1f569620 | 677 | //\r |
| 678 | // Make a PML4 Entry\r | |
| 679 | //\r | |
| 787a085b | 680 | PageMapLevel4Entry->Uint64 = (UINT64)(UINTN)PageDirectoryPointerEntry | AddressEncMask;\r |
| 1f569620 | 681 | PageMapLevel4Entry->Bits.ReadWrite = 1;\r |
| 682 | PageMapLevel4Entry->Bits.Present = 1;\r | |
| c56b6566 JY |
683 | \r |
| 684 | if (Page1GSupport) {\r | |
| 54d3b84e | 685 | PageDirectory1GEntry = (VOID *) PageDirectoryPointerEntry;\r |
| 7367cc6c | 686 | \r |
| c56b6566 | 687 | for (IndexOfPageDirectoryEntries = 0; IndexOfPageDirectoryEntries < 512; IndexOfPageDirectoryEntries++, PageDirectory1GEntry++, PageAddress += SIZE_1GB) {\r |
| 1f569620 | 688 | //\r |
| 689 | // Fill in the Page Directory entries\r | |
| 690 | //\r | |
| 787a085b | 691 | PageDirectory1GEntry->Uint64 = (UINT64)PageAddress | AddressEncMask;\r |
| c56b6566 JY |
692 | PageDirectory1GEntry->Bits.ReadWrite = 1;\r |
| 693 | PageDirectory1GEntry->Bits.Present = 1;\r | |
| 694 | PageDirectory1GEntry->Bits.MustBe1 = 1;\r | |
| 695 | }\r | |
| 696 | } else {\r | |
| 697 | for (IndexOfPdpEntries = 0; IndexOfPdpEntries < NumberOfPdpEntriesNeeded; IndexOfPdpEntries++, PageDirectoryPointerEntry++) {\r | |
| 698 | //\r | |
| 699 | // Each Directory Pointer entries points to a page of Page Directory entires.\r | |
| 700 | // So allocate space for them and fill them in in the IndexOfPageDirectoryEntries loop.\r | |
| 7367cc6c | 701 | //\r |
| c56b6566 JY |
702 | PageDirectoryEntry = (PAGE_TABLE_ENTRY *)S3NvsPageTableAddress;\r |
| 703 | S3NvsPageTableAddress += SIZE_4KB;\r | |
| 7367cc6c | 704 | \r |
| c56b6566 JY |
705 | //\r |
| 706 | // Fill in a Page Directory Pointer Entries\r | |
| 707 | //\r | |
| 787a085b | 708 | PageDirectoryPointerEntry->Uint64 = (UINT64)(UINTN)PageDirectoryEntry | AddressEncMask;\r |
| c56b6566 JY |
709 | PageDirectoryPointerEntry->Bits.ReadWrite = 1;\r |
| 710 | PageDirectoryPointerEntry->Bits.Present = 1;\r | |
| 7367cc6c | 711 | \r |
| c56b6566 JY |
712 | for (IndexOfPageDirectoryEntries = 0; IndexOfPageDirectoryEntries < 512; IndexOfPageDirectoryEntries++, PageDirectoryEntry++, PageAddress += SIZE_2MB) {\r |
| 713 | //\r | |
| 714 | // Fill in the Page Directory entries\r | |
| 715 | //\r | |
| 787a085b | 716 | PageDirectoryEntry->Uint64 = (UINT64)PageAddress | AddressEncMask;\r |
| c56b6566 JY |
717 | PageDirectoryEntry->Bits.ReadWrite = 1;\r |
| 718 | PageDirectoryEntry->Bits.Present = 1;\r | |
| 719 | PageDirectoryEntry->Bits.MustBe1 = 1;\r | |
| 720 | }\r | |
| 1f569620 | 721 | }\r |
| 722 | }\r | |
| 723 | }\r | |
| 724 | return ;\r | |
| 725 | } else {\r | |
| 7367cc6c LG |
726 | //\r |
| 727 | // If DXE is running 32-bit mode, no need to establish page table.\r | |
| 728 | //\r | |
| 1f569620 | 729 | return ;\r |
| 730 | }\r | |
| 731 | }\r | |
| 732 | \r | |
| 733 | /**\r | |
| 734 | Jump to boot script executor driver.\r | |
| 735 | \r | |
| 736 | The function will close and lock SMRAM and then jump to boot script execute driver to executing S3 boot script table.\r | |
| 737 | \r | |
| 738 | @param AcpiS3Context a pointer to a structure of ACPI_S3_CONTEXT\r | |
| 739 | @param EfiBootScriptExecutorVariable The function entry to executing S3 boot Script table. This function is build in\r | |
| 740 | boot script execute driver\r | |
| 741 | **/\r | |
| 742 | VOID\r | |
| 743 | EFIAPI\r | |
| 744 | S3ResumeExecuteBootScript (\r | |
| 745 | IN ACPI_S3_CONTEXT *AcpiS3Context,\r | |
| 746 | IN BOOT_SCRIPT_EXECUTOR_VARIABLE *EfiBootScriptExecutorVariable\r | |
| 747 | )\r | |
| 748 | {\r | |
| 749 | EFI_STATUS Status;\r | |
| 750 | PEI_SMM_ACCESS_PPI *SmmAccess;\r | |
| 751 | UINTN Index;\r | |
| 752 | VOID *GuidHob;\r | |
| 753 | IA32_DESCRIPTOR *IdtDescriptor;\r | |
| 754 | VOID *IdtBuffer;\r | |
| 755 | PEI_S3_RESUME_STATE *PeiS3ResumeState;\r | |
| abef469f | 756 | BOOLEAN InterruptStatus;\r |
| 1f569620 | 757 | \r |
| c5719579 | 758 | DEBUG ((DEBUG_INFO, "S3ResumeExecuteBootScript()\n"));\r |
| 1f569620 | 759 | \r |
| 760 | //\r | |
| 761 | // Attempt to use content from SMRAM first\r | |
| 762 | //\r | |
| 763 | GuidHob = GetFirstGuidHob (&gEfiAcpiVariableGuid);\r | |
| 764 | if (GuidHob != NULL) {\r | |
| 765 | //\r | |
| 766 | // Last step for SMM - send SMI for initialization\r | |
| 767 | //\r | |
| 768 | \r | |
| 769 | //\r | |
| 770 | // Send SMI to APs\r | |
| 7367cc6c | 771 | //\r |
| 1f569620 | 772 | SendSmiIpiAllExcludingSelf ();\r |
| 773 | //\r | |
| 774 | // Send SMI to BSP\r | |
| 775 | //\r | |
| 776 | SendSmiIpi (GetApicId ());\r | |
| 777 | \r | |
| 778 | Status = PeiServicesLocatePpi (\r | |
| 779 | &gPeiSmmAccessPpiGuid,\r | |
| 780 | 0,\r | |
| 781 | NULL,\r | |
| 782 | (VOID **) &SmmAccess\r | |
| 783 | );\r | |
| 40ef06fc | 784 | if (!EFI_ERROR (Status)) {\r |
| c5719579 | 785 | DEBUG ((DEBUG_INFO, "Close all SMRAM regions before executing boot script\n"));\r |
| 7367cc6c | 786 | \r |
| 40ef06fc SZ |
787 | for (Index = 0, Status = EFI_SUCCESS; !EFI_ERROR (Status); Index++) {\r |
| 788 | Status = SmmAccess->Close ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, Index);\r | |
| 789 | }\r | |
| 1f569620 | 790 | \r |
| c5719579 | 791 | DEBUG ((DEBUG_INFO, "Lock all SMRAM regions before executing boot script\n"));\r |
| 7367cc6c | 792 | \r |
| 40ef06fc SZ |
793 | for (Index = 0, Status = EFI_SUCCESS; !EFI_ERROR (Status); Index++) {\r |
| 794 | Status = SmmAccess->Lock ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, Index);\r | |
| 795 | }\r | |
| 1f569620 | 796 | }\r |
| 5b29e438 SZ |
797 | \r |
| 798 | DEBUG ((DEBUG_INFO, "Signal S3SmmInitDone\n"));\r | |
| 799 | //\r | |
| 800 | // Install S3SmmInitDone PPI.\r | |
| 801 | //\r | |
| 802 | Status = PeiServicesInstallPpi (&mPpiListS3SmmInitDoneTable);\r | |
| 803 | ASSERT_EFI_ERROR (Status);\r | |
| 804 | //\r | |
| 805 | // Signal S3SmmInitDone to SMM.\r | |
| 806 | //\r | |
| 807 | SignalToSmmByCommunication (&gEdkiiS3SmmInitDoneGuid);\r | |
| 1f569620 | 808 | }\r |
| 809 | \r | |
| 810 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r | |
| 1f569620 | 811 | AsmWriteCr3 ((UINTN)AcpiS3Context->S3NvsPageTableAddress);\r |
| 812 | }\r | |
| 813 | \r | |
| 814 | if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r | |
| 815 | //\r | |
| 816 | // On some platform, such as ECP, a dispatch node in boot script table may execute a 32-bit PEIM which may need PeiServices\r | |
| 7367cc6c | 817 | // pointer. So PeiServices need preserve in (IDTBase- sizeof (UINTN)).\r |
| 1f569620 | 818 | //\r |
| 819 | IdtDescriptor = (IA32_DESCRIPTOR *) (UINTN) (AcpiS3Context->IdtrProfile);\r | |
| 820 | //\r | |
| 438f1766 | 821 | // Make sure the newly allocated IDT align with 16-bytes\r |
| 7367cc6c | 822 | //\r |
| 1f569620 | 823 | IdtBuffer = AllocatePages (EFI_SIZE_TO_PAGES((IdtDescriptor->Limit + 1) + 16));\r |
| 6f9760d8 SZ |
824 | if (IdtBuffer == NULL) {\r |
| 825 | REPORT_STATUS_CODE (\r | |
| 826 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
| 827 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_RESUME_FAILED)\r | |
| 828 | );\r | |
| 829 | ASSERT (FALSE);\r | |
| 830 | }\r | |
| e47459e6 | 831 | //\r |
| 832 | // Additional 16 bytes allocated to save IA32 IDT descriptor and Pei Service Table Pointer\r | |
| 833 | // IA32 IDT descriptor will be used to setup IA32 IDT table for 32-bit Framework Boot Script code\r | |
| 7367cc6c | 834 | //\r |
| e47459e6 | 835 | ZeroMem (IdtBuffer, 16);\r |
| 836 | AsmReadIdtr ((IA32_DESCRIPTOR *)IdtBuffer);\r | |
| 1f569620 | 837 | CopyMem ((VOID*)((UINT8*)IdtBuffer + 16),(VOID*)(IdtDescriptor->Base), (IdtDescriptor->Limit + 1));\r |
| 838 | IdtDescriptor->Base = (UINTN)((UINT8*)IdtBuffer + 16);\r | |
| 839 | *(UINTN*)(IdtDescriptor->Base - sizeof(UINTN)) = (UINTN)GetPeiServicesTablePointer ();\r | |
| 840 | }\r | |
| 841 | \r | |
| abef469f | 842 | InterruptStatus = SaveAndDisableInterrupts ();\r |
| 1f569620 | 843 | //\r |
| 844 | // Need to make sure the GDT is loaded with values that support long mode and real mode.\r | |
| 845 | //\r | |
| 846 | AsmWriteGdtr (&mGdt);\r | |
| abef469f | 847 | //\r |
| 848 | // update segment selectors per the new GDT.\r | |
| 849 | //\r | |
| 850 | AsmSetDataSelectors (DATA_SEGEMENT_SELECTOR);\r | |
| 851 | //\r | |
| 852 | // Restore interrupt state.\r | |
| 853 | //\r | |
| 854 | SetInterruptState (InterruptStatus);\r | |
| 1f569620 | 855 | \r |
| 856 | //\r | |
| 857 | // Prepare data for return back\r | |
| 858 | //\r | |
| 859 | PeiS3ResumeState = AllocatePool (sizeof(*PeiS3ResumeState));\r | |
| 6f9760d8 SZ |
860 | if (PeiS3ResumeState == NULL) {\r |
| 861 | REPORT_STATUS_CODE (\r | |
| 862 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
| 863 | (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_RESUME_FAILED)\r | |
| 864 | );\r | |
| 865 | ASSERT (FALSE);\r | |
| 866 | }\r | |
| c5719579 | 867 | DEBUG ((DEBUG_INFO, "PeiS3ResumeState - %x\r\n", PeiS3ResumeState));\r |
| 1f569620 | 868 | PeiS3ResumeState->ReturnCs = 0x10;\r |
| 869 | PeiS3ResumeState->ReturnEntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)S3ResumeBootOs;\r | |
| f98f5ec3 | 870 | PeiS3ResumeState->ReturnStackPointer = (EFI_PHYSICAL_ADDRESS)STACK_ALIGN_DOWN (&Status);\r |
| 1f569620 | 871 | //\r |
| 872 | // Save IDT\r | |
| 873 | //\r | |
| 874 | AsmReadIdtr (&PeiS3ResumeState->Idtr);\r | |
| 7367cc6c | 875 | \r |
| f6d5cbe7 | 876 | //\r |
| 877 | // Report Status Code to indicate S3 boot script execution\r | |
| 878 | //\r | |
| 879 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_S3_BOOT_SCRIPT);\r | |
| 1f569620 | 880 | \r |
| e5735040 | 881 | PERF_INMODULE_BEGIN ("ScriptExec");\r |
| 5c0687cc | 882 | \r |
| 1f569620 | 883 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r |
| 884 | //\r | |
| 885 | // X64 S3 Resume\r | |
| 886 | //\r | |
| c5719579 | 887 | DEBUG ((DEBUG_INFO, "Enable X64 and transfer control to Standalone Boot Script Executor\r\n"));\r |
| 1f569620 | 888 | \r |
| 889 | //\r | |
| 890 | // Switch to long mode to complete resume.\r | |
| 891 | //\r | |
| 892 | AsmEnablePaging64 (\r | |
| 893 | 0x38,\r | |
| 894 | EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint,\r | |
| 895 | (UINT64)(UINTN)AcpiS3Context,\r | |
| 896 | (UINT64)(UINTN)PeiS3ResumeState,\r | |
| 897 | (UINT64)(UINTN)(AcpiS3Context->BootScriptStackBase + AcpiS3Context->BootScriptStackSize)\r | |
| 898 | );\r | |
| 899 | } else {\r | |
| 900 | //\r | |
| 901 | // IA32 S3 Resume\r | |
| 902 | //\r | |
| c5719579 | 903 | DEBUG ((DEBUG_INFO, "transfer control to Standalone Boot Script Executor\r\n"));\r |
| 1f569620 | 904 | SwitchStack (\r |
| 905 | (SWITCH_STACK_ENTRY_POINT) (UINTN) EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint,\r | |
| 906 | (VOID *)AcpiS3Context,\r | |
| 907 | (VOID *)PeiS3ResumeState,\r | |
| 908 | (VOID *)(UINTN)(AcpiS3Context->BootScriptStackBase + AcpiS3Context->BootScriptStackSize)\r | |
| 909 | );\r | |
| 910 | }\r | |
| 911 | \r | |
| 912 | //\r | |
| 913 | // Never run to here\r | |
| 914 | //\r | |
| 915 | CpuDeadLoop();\r | |
| 916 | }\r | |
| 917 | /**\r | |
| 918 | Restores the platform to its preboot configuration for an S3 resume and\r | |
| 919 | jumps to the OS waking vector.\r | |
| 920 | \r | |
| 921 | This function will restore the platform to its pre-boot configuration that was\r | |
| 922 | pre-stored in the boot script table and transfer control to OS waking vector.\r | |
| 923 | Upon invocation, this function is responsible for locating the following\r | |
| 924 | information before jumping to OS waking vector:\r | |
| 925 | - ACPI tables\r | |
| 926 | - boot script table\r | |
| 927 | - any other information that it needs\r | |
| 928 | \r | |
| 929 | The S3RestoreConfig() function then executes the pre-stored boot script table\r | |
| 930 | and transitions the platform to the pre-boot state. The boot script is recorded\r | |
| 931 | during regular boot using the EFI_S3_SAVE_STATE_PROTOCOL.Write() and\r | |
| 932 | EFI_S3_SMM_SAVE_STATE_PROTOCOL.Write() functions. Finally, this function\r | |
| 933 | transfers control to the OS waking vector. If the OS supports only a real-mode\r | |
| 934 | waking vector, this function will switch from flat mode to real mode before\r | |
| 935 | jumping to the waking vector. If all platform pre-boot configurations are\r | |
| 936 | successfully restored and all other necessary information is ready, this\r | |
| 937 | function will never return and instead will directly jump to the OS waking\r | |
| 938 | vector. If this function returns, it indicates that the attempt to resume\r | |
| 939 | from the ACPI S3 sleep state failed.\r | |
| 940 | \r | |
| 941 | @param[in] This Pointer to this instance of the PEI_S3_RESUME_PPI\r | |
| 942 | \r | |
| 943 | @retval EFI_ABORTED Execution of the S3 resume boot script table failed.\r | |
| 944 | @retval EFI_NOT_FOUND Some necessary information that is used for the S3\r | |
| 945 | resume boot path could not be located.\r | |
| 946 | \r | |
| 947 | **/\r | |
| 948 | EFI_STATUS\r | |
| 949 | EFIAPI\r | |
| 950 | S3RestoreConfig2 (\r | |
| 951 | IN EFI_PEI_S3_RESUME2_PPI *This\r | |
| 952 | )\r | |
| 953 | {\r | |
| 954 | EFI_STATUS Status;\r | |
| 955 | PEI_SMM_ACCESS_PPI *SmmAccess;\r | |
| 956 | UINTN Index;\r | |
| 957 | ACPI_S3_CONTEXT *AcpiS3Context;\r | |
| 1f569620 | 958 | EFI_PHYSICAL_ADDRESS TempEfiBootScriptExecutorVariable;\r |
| 959 | EFI_PHYSICAL_ADDRESS TempAcpiS3Context;\r | |
| 960 | BOOT_SCRIPT_EXECUTOR_VARIABLE *EfiBootScriptExecutorVariable;\r | |
| 961 | UINTN VarSize;\r | |
| 962 | EFI_SMRAM_DESCRIPTOR *SmramDescriptor;\r | |
| 963 | SMM_S3_RESUME_STATE *SmmS3ResumeState;\r | |
| 964 | VOID *GuidHob;\r | |
| d0bf5623 | 965 | BOOLEAN Build4GPageTableOnly;\r |
| abef469f | 966 | BOOLEAN InterruptStatus;\r |
| 1f569620 | 967 | \r |
| 48ee8e3e SZ |
968 | TempAcpiS3Context = 0;\r |
| 969 | TempEfiBootScriptExecutorVariable = 0;\r | |
| 970 | \r | |
| c5719579 | 971 | DEBUG ((DEBUG_INFO, "Enter S3 PEIM\r\n"));\r |
| 1f569620 | 972 | \r |
| 1f569620 | 973 | VarSize = sizeof (EFI_PHYSICAL_ADDRESS);\r |
| 974 | Status = RestoreLockBox (\r | |
| 975 | &gEfiAcpiVariableGuid,\r | |
| 976 | &TempAcpiS3Context,\r | |
| 977 | &VarSize\r | |
| 978 | );\r | |
| 979 | ASSERT_EFI_ERROR (Status);\r | |
| 980 | \r | |
| 1f569620 | 981 | Status = RestoreLockBox (\r |
| 982 | &gEfiAcpiS3ContextGuid,\r | |
| 983 | NULL,\r | |
| 984 | NULL\r | |
| 985 | );\r | |
| 986 | ASSERT_EFI_ERROR (Status);\r | |
| 987 | \r | |
| 48ee8e3e SZ |
988 | AcpiS3Context = (ACPI_S3_CONTEXT *)(UINTN)TempAcpiS3Context;\r |
| 989 | ASSERT (AcpiS3Context != NULL);\r | |
| 990 | \r | |
| 991 | VarSize = sizeof (EFI_PHYSICAL_ADDRESS);\r | |
| 1f569620 | 992 | Status = RestoreLockBox (\r |
| 993 | &gEfiBootScriptExecutorVariableGuid,\r | |
| 994 | &TempEfiBootScriptExecutorVariable,\r | |
| 995 | &VarSize\r | |
| 996 | );\r | |
| 997 | ASSERT_EFI_ERROR (Status);\r | |
| 998 | \r | |
| 999 | Status = RestoreLockBox (\r | |
| 1000 | &gEfiBootScriptExecutorContextGuid,\r | |
| 1001 | NULL,\r | |
| 1002 | NULL\r | |
| 1003 | );\r | |
| 1004 | ASSERT_EFI_ERROR (Status);\r | |
| 1005 | \r | |
| 1006 | EfiBootScriptExecutorVariable = (BOOT_SCRIPT_EXECUTOR_VARIABLE *) (UINTN) TempEfiBootScriptExecutorVariable;\r | |
| 48ee8e3e | 1007 | ASSERT (EfiBootScriptExecutorVariable != NULL);\r |
| 1f569620 | 1008 | \r |
| c5719579 JF |
1009 | DEBUG (( DEBUG_INFO, "AcpiS3Context = %x\n", AcpiS3Context));\r |
| 1010 | DEBUG (( DEBUG_INFO, "Waking Vector = %x\n", ((EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable)))->FirmwareWakingVector));\r | |
| 1011 | DEBUG (( DEBUG_INFO, "AcpiS3Context->AcpiFacsTable = %x\n", AcpiS3Context->AcpiFacsTable));\r | |
| 7367cc6c | 1012 | DEBUG (( DEBUG_INFO, "AcpiS3Context->IdtrProfile = %x\n", AcpiS3Context->IdtrProfile));\r |
| c5719579 JF |
1013 | DEBUG (( DEBUG_INFO, "AcpiS3Context->S3NvsPageTableAddress = %x\n", AcpiS3Context->S3NvsPageTableAddress));\r |
| 1014 | DEBUG (( DEBUG_INFO, "AcpiS3Context->S3DebugBufferAddress = %x\n", AcpiS3Context->S3DebugBufferAddress));\r | |
| 1015 | DEBUG (( DEBUG_INFO, "AcpiS3Context->BootScriptStackBase = %x\n", AcpiS3Context->BootScriptStackBase));\r | |
| 1016 | DEBUG (( DEBUG_INFO, "AcpiS3Context->BootScriptStackSize = %x\n", AcpiS3Context->BootScriptStackSize));\r | |
| 1017 | DEBUG (( DEBUG_INFO, "EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint = %x\n", EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint));\r | |
| 1f569620 | 1018 | \r |
| 1019 | //\r | |
| 1020 | // Additional step for BootScript integrity - we only handle BootScript and BootScriptExecutor.\r | |
| 1021 | // Script dispatch image and context (parameter) are handled by platform.\r | |
| 1022 | // We just use restore all lock box in place, no need restore one by one.\r | |
| 1023 | //\r | |
| 1024 | Status = RestoreAllLockBoxInPlace ();\r | |
| 1025 | ASSERT_EFI_ERROR (Status);\r | |
| 1026 | if (EFI_ERROR (Status)) {\r | |
| 1027 | // Something wrong\r | |
| 1028 | CpuDeadLoop ();\r | |
| 1029 | }\r | |
| 1030 | \r | |
| 3a69f7cb | 1031 | if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r |
| 1032 | //\r | |
| 1033 | // Need reconstruct page table here, since we do not trust ACPINvs.\r | |
| 1034 | //\r | |
| d0bf5623 JY |
1035 | if (IsLongModeWakingVector (AcpiS3Context)) {\r |
| 1036 | Build4GPageTableOnly = FALSE;\r | |
| 1037 | } else {\r | |
| 1038 | Build4GPageTableOnly = TRUE;\r | |
| 1039 | }\r | |
| 1040 | RestoreS3PageTables ((UINTN)AcpiS3Context->S3NvsPageTableAddress, Build4GPageTableOnly);\r | |
| 3a69f7cb | 1041 | }\r |
| 1042 | \r | |
| 1f569620 | 1043 | //\r |
| 1044 | // Attempt to use content from SMRAM first\r | |
| 1045 | //\r | |
| 1046 | GuidHob = GetFirstGuidHob (&gEfiAcpiVariableGuid);\r | |
| 1047 | if (GuidHob != NULL) {\r | |
| 40ef06fc SZ |
1048 | Status = PeiServicesLocatePpi (\r |
| 1049 | &gPeiSmmAccessPpiGuid,\r | |
| 1050 | 0,\r | |
| 1051 | NULL,\r | |
| 1052 | (VOID **) &SmmAccess\r | |
| 1053 | );\r | |
| 1054 | for (Index = 0; !EFI_ERROR (Status); Index++) {\r | |
| 1055 | Status = SmmAccess->Open ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, Index);\r | |
| 1056 | }\r | |
| 1057 | \r | |
| 1f569620 | 1058 | SmramDescriptor = (EFI_SMRAM_DESCRIPTOR *) GET_GUID_HOB_DATA (GuidHob);\r |
| 1059 | SmmS3ResumeState = (SMM_S3_RESUME_STATE *)(UINTN)SmramDescriptor->CpuStart;\r | |
| 1060 | \r | |
| 1061 | SmmS3ResumeState->ReturnCs = AsmReadCs ();\r | |
| 1062 | SmmS3ResumeState->ReturnEntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)S3ResumeExecuteBootScript;\r | |
| 1063 | SmmS3ResumeState->ReturnContext1 = (EFI_PHYSICAL_ADDRESS)(UINTN)AcpiS3Context;\r | |
| 1064 | SmmS3ResumeState->ReturnContext2 = (EFI_PHYSICAL_ADDRESS)(UINTN)EfiBootScriptExecutorVariable;\r | |
| f98f5ec3 | 1065 | SmmS3ResumeState->ReturnStackPointer = (EFI_PHYSICAL_ADDRESS)STACK_ALIGN_DOWN (&Status);\r |
| 1f569620 | 1066 | \r |
| c5719579 JF |
1067 | DEBUG (( DEBUG_INFO, "SMM S3 Signature = %x\n", SmmS3ResumeState->Signature));\r |
| 1068 | DEBUG (( DEBUG_INFO, "SMM S3 Stack Base = %x\n", SmmS3ResumeState->SmmS3StackBase));\r | |
| 1069 | DEBUG (( DEBUG_INFO, "SMM S3 Stack Size = %x\n", SmmS3ResumeState->SmmS3StackSize));\r | |
| 1070 | DEBUG (( DEBUG_INFO, "SMM S3 Resume Entry Point = %x\n", SmmS3ResumeState->SmmS3ResumeEntryPoint));\r | |
| 1071 | DEBUG (( DEBUG_INFO, "SMM S3 CR0 = %x\n", SmmS3ResumeState->SmmS3Cr0));\r | |
| 1072 | DEBUG (( DEBUG_INFO, "SMM S3 CR3 = %x\n", SmmS3ResumeState->SmmS3Cr3));\r | |
| 1073 | DEBUG (( DEBUG_INFO, "SMM S3 CR4 = %x\n", SmmS3ResumeState->SmmS3Cr4));\r | |
| 1074 | DEBUG (( DEBUG_INFO, "SMM S3 Return CS = %x\n", SmmS3ResumeState->ReturnCs));\r | |
| 1075 | DEBUG (( DEBUG_INFO, "SMM S3 Return Entry Point = %x\n", SmmS3ResumeState->ReturnEntryPoint));\r | |
| 1076 | DEBUG (( DEBUG_INFO, "SMM S3 Return Context1 = %x\n", SmmS3ResumeState->ReturnContext1));\r | |
| 1077 | DEBUG (( DEBUG_INFO, "SMM S3 Return Context2 = %x\n", SmmS3ResumeState->ReturnContext2));\r | |
| 1078 | DEBUG (( DEBUG_INFO, "SMM S3 Return Stack Pointer = %x\n", SmmS3ResumeState->ReturnStackPointer));\r | |
| 1079 | DEBUG (( DEBUG_INFO, "SMM S3 Smst = %x\n", SmmS3ResumeState->Smst));\r | |
| 1f569620 | 1080 | \r |
| 1f569620 | 1081 | if (SmmS3ResumeState->Signature == SMM_S3_RESUME_SMM_32) {\r |
| 1082 | SwitchStack (\r | |
| 1083 | (SWITCH_STACK_ENTRY_POINT)(UINTN)SmmS3ResumeState->SmmS3ResumeEntryPoint,\r | |
| 1084 | (VOID *)AcpiS3Context,\r | |
| 1085 | 0,\r | |
| 1086 | (VOID *)(UINTN)(SmmS3ResumeState->SmmS3StackBase + SmmS3ResumeState->SmmS3StackSize)\r | |
| 1087 | );\r | |
| 1088 | }\r | |
| 1089 | if (SmmS3ResumeState->Signature == SMM_S3_RESUME_SMM_64) {\r | |
| 1090 | //\r | |
| 1091 | // Switch to long mode to complete resume.\r | |
| 1092 | //\r | |
| 1093 | \r | |
| abef469f | 1094 | InterruptStatus = SaveAndDisableInterrupts ();\r |
| 1f569620 | 1095 | //\r |
| 1096 | // Need to make sure the GDT is loaded with values that support long mode and real mode.\r | |
| 1097 | //\r | |
| 1098 | AsmWriteGdtr (&mGdt);\r | |
| abef469f | 1099 | //\r |
| 1100 | // update segment selectors per the new GDT.\r | |
| 7367cc6c | 1101 | //\r |
| abef469f | 1102 | AsmSetDataSelectors (DATA_SEGEMENT_SELECTOR);\r |
| 1103 | //\r | |
| 1104 | // Restore interrupt state.\r | |
| 1105 | //\r | |
| 1106 | SetInterruptState (InterruptStatus);\r | |
| 1107 | \r | |
| 1f569620 | 1108 | AsmWriteCr3 ((UINTN)SmmS3ResumeState->SmmS3Cr3);\r |
| f5c941b1 | 1109 | \r |
| 1110 | //\r | |
| 1111 | // Disable interrupt of Debug timer, since IDT table cannot work in long mode.\r | |
| 1112 | // NOTE: On x64 platforms, because DisablePaging64() will disable interrupts,\r | |
| 1113 | // the code in S3ResumeExecuteBootScript() cannot be halted by soft debugger.\r | |
| 1114 | //\r | |
| 1115 | SaveAndSetDebugTimerInterrupt (FALSE);\r | |
| 1116 | \r | |
| 1f569620 | 1117 | AsmEnablePaging64 (\r |
| 1118 | 0x38,\r | |
| 1119 | SmmS3ResumeState->SmmS3ResumeEntryPoint,\r | |
| 1120 | (UINT64)(UINTN)AcpiS3Context,\r | |
| 1121 | 0,\r | |
| 1122 | SmmS3ResumeState->SmmS3StackBase + SmmS3ResumeState->SmmS3StackSize\r | |
| 1123 | );\r | |
| 1124 | }\r | |
| 1125 | \r | |
| 1126 | }\r | |
| 1127 | \r | |
| 1128 | S3ResumeExecuteBootScript (AcpiS3Context, EfiBootScriptExecutorVariable );\r | |
| 1129 | return EFI_SUCCESS;\r | |
| 1130 | }\r | |
| 1131 | /**\r | |
| 1132 | Main entry for S3 Resume PEIM.\r | |
| 1133 | \r | |
| 1134 | This routine is to install EFI_PEI_S3_RESUME2_PPI.\r | |
| 7367cc6c | 1135 | \r |
| 1f569620 | 1136 | @param FileHandle Handle of the file being invoked.\r |
| 1137 | @param PeiServices Pointer to PEI Services table.\r | |
| 1138 | \r | |
| 1139 | @retval EFI_SUCCESS S3Resume Ppi is installed successfully.\r | |
| 1140 | \r | |
| 1141 | **/\r | |
| 1142 | EFI_STATUS\r | |
| 1143 | EFIAPI\r | |
| 1144 | PeimS3ResumeEntryPoint (\r | |
| 1145 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
| 1146 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
| 1147 | )\r | |
| 1148 | {\r | |
| 1149 | EFI_STATUS Status;\r | |
| 1150 | \r | |
| 1151 | //\r | |
| 1152 | // Install S3 Resume Ppi\r | |
| 1153 | //\r | |
| 1154 | Status = (**PeiServices).InstallPpi (PeiServices, &mPpiList);\r | |
| 1155 | ASSERT_EFI_ERROR (Status);\r | |
| 1156 | \r | |
| 1157 | return EFI_SUCCESS;\r | |
| 1158 | }\r | |
| 1159 | \r |