diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiVariableThunkPlatform.c')
| -rw-r--r-- | IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiVariableThunkPlatform.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiVariableThunkPlatform.c b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiVariableThunkPlatform.c deleted file mode 100644 index 105b142b28..0000000000 --- a/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiVariableThunkPlatform.c +++ /dev/null @@ -1,222 +0,0 @@ -/** @file
- This is an implementation of the AcpiVariable platform field for ECP platform.
-
-Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
-
-This program and the accompanying materials
-are licensed and made available under the terms and conditions
-of the BSD License which accompanies this distribution. The
-full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-==
-
-typedef struct {
- EFI_PHYSICAL_ADDRESS AcpiReservedMemoryBase; <<===
- UINT32 AcpiReservedMemorySize; <<===
- EFI_PHYSICAL_ADDRESS S3ReservedLowMemoryBase;
- EFI_PHYSICAL_ADDRESS AcpiBootScriptTable;
- EFI_PHYSICAL_ADDRESS RuntimeScriptTableBase;
- EFI_PHYSICAL_ADDRESS AcpiFacsTable;
- UINT64 SystemMemoryLength; <<===
- ACPI_CPU_DATA_COMPATIBILITY AcpiCpuData;
- EFI_PHYSICAL_ADDRESS VideoOpromAddress;
- UINT32 VideoOpromSize;
- EFI_PHYSICAL_ADDRESS S3DebugBufferAddress;
- EFI_PHYSICAL_ADDRESS S3ResumeNvsEntryPoint;
-} ACPI_VARIABLE_SET_COMPATIBILITY;
-
-**/
-
-#include <FrameworkDxe.h>
-#include <Library/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
-#include <Library/HobLib.h>
-#include <Library/PcdLib.h>
-#include <Library/DebugLib.h>
-#include <Library/UefiLib.h>
-#include <Protocol/FrameworkMpService.h>
-#include <Protocol/VariableLock.h>
-#include <Guid/AcpiVariableCompatibility.h>
-
-GLOBAL_REMOVE_IF_UNREFERENCED
-ACPI_VARIABLE_SET_COMPATIBILITY *mAcpiVariableSetCompatibility = NULL;
-
-/**
- Allocate memory below 4G memory address.
-
- This function allocates memory below 4G memory address.
-
- @param MemoryType Memory type of memory to allocate.
- @param Size Size of memory to allocate.
-
- @return Allocated address for output.
-
-**/
-VOID*
-AllocateMemoryBelow4G (
- IN EFI_MEMORY_TYPE MemoryType,
- IN UINTN Size
- );
-
-/**
- Hook point for AcpiVariableThunkPlatform for S3Ready.
-
-**/
-VOID
-S3ReadyThunkPlatform (
- VOID
- )
-{
- EFI_PHYSICAL_ADDRESS AcpiMemoryBase;
- UINT32 AcpiMemorySize;
- EFI_PEI_HOB_POINTERS Hob;
- UINT64 MemoryLength;
-
- DEBUG ((EFI_D_INFO, "S3ReadyThunkPlatform\n"));
-
- if (mAcpiVariableSetCompatibility == NULL) {
- return;
- }
-
- //
- // Allocate ACPI reserved memory under 4G
- //
- AcpiMemoryBase = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateMemoryBelow4G (EfiReservedMemoryType, PcdGet32 (PcdS3AcpiReservedMemorySize));
- ASSERT (AcpiMemoryBase != 0);
- AcpiMemorySize = PcdGet32 (PcdS3AcpiReservedMemorySize);
-
- //
- // Calculate the system memory length by memory hobs
- //
- MemoryLength = 0x100000;
- Hob.Raw = GetFirstHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR);
- ASSERT (Hob.Raw != NULL);
- while ((Hob.Raw != NULL) && (!END_OF_HOB_LIST (Hob))) {
- if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
- //
- // Skip the memory region below 1MB
- //
- if (Hob.ResourceDescriptor->PhysicalStart >= 0x100000) {
- MemoryLength += Hob.ResourceDescriptor->ResourceLength;
- }
- }
- Hob.Raw = GET_NEXT_HOB (Hob);
- Hob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, Hob.Raw);
- }
-
- mAcpiVariableSetCompatibility->AcpiReservedMemoryBase = AcpiMemoryBase;
- mAcpiVariableSetCompatibility->AcpiReservedMemorySize = AcpiMemorySize;
- mAcpiVariableSetCompatibility->SystemMemoryLength = MemoryLength;
-
- DEBUG((EFI_D_INFO, "AcpiVariableThunkPlatform: AcpiMemoryBase is 0x%8x\n", mAcpiVariableSetCompatibility->AcpiReservedMemoryBase));
- DEBUG((EFI_D_INFO, "AcpiVariableThunkPlatform: AcpiMemorySize is 0x%8x\n", mAcpiVariableSetCompatibility->AcpiReservedMemorySize));
- DEBUG((EFI_D_INFO, "AcpiVariableThunkPlatform: SystemMemoryLength is 0x%8x\n", mAcpiVariableSetCompatibility->SystemMemoryLength));
-
- return ;
-}
-
-/**
- Register callback function upon VariableLockProtocol
- to lock ACPI_GLOBAL_VARIABLE variable to avoid malicious code to update it.
-
- @param[in] Event Event whose notification function is being invoked.
- @param[in] Context Pointer to the notification function's context.
-**/
-VOID
-EFIAPI
-VariableLockAcpiGlobalVariable (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- EFI_STATUS Status;
- EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock;
- //
- // Mark ACPI_GLOBAL_VARIABLE variable to read-only if the Variable Lock protocol exists
- //
- Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **) &VariableLock);
- if (!EFI_ERROR (Status)) {
- Status = VariableLock->RequestToLock (VariableLock, ACPI_GLOBAL_VARIABLE, &gEfiAcpiVariableCompatiblityGuid);
- ASSERT_EFI_ERROR (Status);
- }
-}
-
-/**
- Hook point for AcpiVariableThunkPlatform for InstallAcpiS3Save.
-**/
-VOID
-InstallAcpiS3SaveThunk (
- VOID
- )
-{
- EFI_STATUS Status;
- FRAMEWORK_EFI_MP_SERVICES_PROTOCOL *FrameworkMpService;
- UINTN VarSize;
- VOID *Registration;
-
- Status = gBS->LocateProtocol (
- &gFrameworkEfiMpServiceProtocolGuid,
- NULL,
- (VOID**) &FrameworkMpService
- );
- if (!EFI_ERROR (Status)) {
- //
- // On ECP platform, if framework CPU drivers are in use, The compatible version of ACPI variable set
- // should be produced by CPU driver.
- //
- VarSize = sizeof (mAcpiVariableSetCompatibility);
- Status = gRT->GetVariable (
- ACPI_GLOBAL_VARIABLE,
- &gEfiAcpiVariableCompatiblityGuid,
- NULL,
- &VarSize,
- &mAcpiVariableSetCompatibility
- );
- if (EFI_ERROR (Status) || (VarSize != sizeof (mAcpiVariableSetCompatibility))) {
- DEBUG ((EFI_D_ERROR, "FATAL ERROR: AcpiVariableSetCompatibility was not saved by CPU driver correctly. OS S3 may fail!\n"));
- mAcpiVariableSetCompatibility = NULL;
- }
- } else {
- //
- // Allocate/initialize the compatible version of Acpi Variable Set since Framework chipset/platform
- // driver need this variable. ACPI_GLOBAL_VARIABLE variable is not used in runtime phase,
- // so RT attribute is not needed for it.
- //
- mAcpiVariableSetCompatibility = AllocateMemoryBelow4G (EfiACPIMemoryNVS, sizeof(ACPI_VARIABLE_SET_COMPATIBILITY));
- Status = gRT->SetVariable (
- ACPI_GLOBAL_VARIABLE,
- &gEfiAcpiVariableCompatiblityGuid,
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,
- sizeof(mAcpiVariableSetCompatibility),
- &mAcpiVariableSetCompatibility
- );
- if (!EFI_ERROR (Status)) {
- //
- // Register callback function upon VariableLockProtocol
- // to lock ACPI_GLOBAL_VARIABLE variable to avoid malicious code to update it.
- //
- EfiCreateProtocolNotifyEvent (
- &gEdkiiVariableLockProtocolGuid,
- TPL_CALLBACK,
- VariableLockAcpiGlobalVariable,
- NULL,
- &Registration
- );
- } else {
- DEBUG ((EFI_D_ERROR, "FATAL ERROR: AcpiVariableSetCompatibility cannot be saved: %r. OS S3 may fail!\n", Status));
- gBS->FreePages (
- (EFI_PHYSICAL_ADDRESS) (UINTN) mAcpiVariableSetCompatibility,
- EFI_SIZE_TO_PAGES (sizeof (ACPI_VARIABLE_SET_COMPATIBILITY))
- );
- mAcpiVariableSetCompatibility = NULL;
- }
- }
-
- DEBUG((EFI_D_INFO, "AcpiVariableSetCompatibility is 0x%8x\n", mAcpiVariableSetCompatibility));
-}
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