This module will execute the boot script saved during last boot and after that,\r
control is passed to OS waking up handler.\r
\r
- Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>\r
Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>\r
\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions\r
- of the BSD License which accompanies this distribution. The\r
- full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
if (Facs->XFirmwareWakingVector != 0) {\r
if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&\r
((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0) &&\r
- ((Facs->Flags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {\r
+ ((Facs->OspmFlags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {\r
// Both BIOS and OS wants 64bit vector\r
if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r
return TRUE;\r
));\r
if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&\r
((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0) &&\r
- ((Facs->Flags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {\r
+ ((Facs->OspmFlags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {\r
//\r
// X64 long mode waking vector\r
//\r
EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r
(EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)\r
);\r
- DEBUG (( EFI_D_ERROR, "Unsupported for 32bit DXE transfer to 64bit OS waking vector!\r\n"));\r
+ DEBUG (( DEBUG_ERROR, "Unsupported for 32bit DXE transfer to 64bit OS waking vector!\r\n"));\r
ASSERT (FALSE);\r
CpuDeadLoop ();\r
return ;\r
PEI_SMM_ACCESS_PPI *SmmAccess;\r
UINTN Index;\r
VOID *GuidHob;\r
- IA32_DESCRIPTOR *IdtDescriptor;\r
- VOID *IdtBuffer;\r
PEI_S3_RESUME_STATE *PeiS3ResumeState;\r
BOOLEAN InterruptStatus;\r
\r
AsmWriteCr3 ((UINTN)AcpiS3Context->S3NvsPageTableAddress);\r
}\r
\r
- if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r
- //\r
- // On some platform, such as ECP, a dispatch node in boot script table may execute a 32-bit PEIM which may need PeiServices\r
- // pointer. So PeiServices need preserve in (IDTBase- sizeof (UINTN)).\r
- //\r
- IdtDescriptor = (IA32_DESCRIPTOR *) (UINTN) (AcpiS3Context->IdtrProfile);\r
- //\r
- // Make sure the newly allocated IDT align with 16-bytes\r
- //\r
- IdtBuffer = AllocatePages (EFI_SIZE_TO_PAGES((IdtDescriptor->Limit + 1) + 16));\r
- if (IdtBuffer == NULL) {\r
- REPORT_STATUS_CODE (\r
- EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r
- (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_RESUME_FAILED)\r
- );\r
- ASSERT (FALSE);\r
- }\r
- //\r
- // Additional 16 bytes allocated to save IA32 IDT descriptor and Pei Service Table Pointer\r
- // IA32 IDT descriptor will be used to setup IA32 IDT table for 32-bit Framework Boot Script code\r
- //\r
- ZeroMem (IdtBuffer, 16);\r
- AsmReadIdtr ((IA32_DESCRIPTOR *)IdtBuffer);\r
- CopyMem ((VOID*)((UINT8*)IdtBuffer + 16),(VOID*)(IdtDescriptor->Base), (IdtDescriptor->Limit + 1));\r
- IdtDescriptor->Base = (UINTN)((UINT8*)IdtBuffer + 16);\r
- *(UINTN*)(IdtDescriptor->Base - sizeof(UINTN)) = (UINTN)GetPeiServicesTablePointer ();\r
- }\r
-\r
InterruptStatus = SaveAndDisableInterrupts ();\r
//\r
// Need to make sure the GDT is loaded with values that support long mode and real mode.\r
VOID *GuidHob;\r
BOOLEAN Build4GPageTableOnly;\r
BOOLEAN InterruptStatus;\r
+ IA32_CR0 Cr0;\r
\r
TempAcpiS3Context = 0;\r
TempEfiBootScriptExecutorVariable = 0;\r
//\r
GuidHob = GetFirstGuidHob (&gEfiAcpiVariableGuid);\r
if (GuidHob != NULL) {\r
+ //\r
+ // Below SwitchStack/AsmEnablePaging64 function has\r
+ // assumption that it's in 32 bits mode now.\r
+ // Add ASSERT code to indicate this assumption.\r
+ //\r
+ ASSERT(sizeof (UINTN) == sizeof (UINT32));\r
+\r
Status = PeiServicesLocatePpi (\r
&gPeiSmmAccessPpiGuid,\r
0,\r
//\r
SetInterruptState (InterruptStatus);\r
\r
+ Cr0.UintN = AsmReadCr0 ();\r
+ if (Cr0.Bits.PG != 0) {\r
+ //\r
+ // We're in 32-bit mode, with paging enabled. We can't set CR3 to\r
+ // the 64-bit page tables without first disabling paging.\r
+ //\r
+ Cr0.Bits.PG = 0;\r
+ AsmWriteCr0 (Cr0.UintN);\r
+ }\r
AsmWriteCr3 ((UINTN)SmmS3ResumeState->SmmS3Cr3);\r
\r
//\r
\r
return EFI_SUCCESS;\r
}\r
-\r