diff options
Diffstat (limited to 'IntelFrameworkModulePkg')
5 files changed, 875 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dsc b/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dsc index 39a6adda96..bd26806d21 100644 --- a/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dsc +++ b/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dsc @@ -81,6 +81,9 @@ PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
MemoryAllocationLib|MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
+[LibraryClasses.common.DXE_DRIVER]
+ LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxDxeLib.inf
+
[LibraryClasses.common.DXE_DRIVER, LibraryClasses.common.DXE_RUNTIME_DRIVER, LibraryClasses.common.UEFI_DRIVER]
HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
@@ -160,6 +163,9 @@ IntelFrameworkModulePkg/Universal/LegacyRegionDxe/LegacyRegionDxe.inf
IntelFrameworkModulePkg/Universal/StatusCode/DatahubStatusCodeHandlerDxe/DatahubStatusCodeHandlerDxe.inf
+[Components.IA32,Components.X64]
+ IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3SaveDxe.inf
+
[Components.IA32,Components.X64,Components.IPF]
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf
diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.c b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.c new file mode 100644 index 0000000000..73074a2684 --- /dev/null +++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.c @@ -0,0 +1,485 @@ +/** @file
+ This is an implementation of the ACPI S3 Save protocol. This is defined in
+ S3 boot path specification 0.9.
+
+Copyright (c) 2006 - 2011, 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.
+
+**/
+
+#include <PiDxe.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/LockBoxLib.h>
+#include <Library/PcdLib.h>
+#include <Library/DebugLib.h>
+#include <Guid/AcpiVariableCompatibility.h>
+#include <Guid/AcpiS3Context.h>
+#include <Guid/Acpi.h>
+#include <Protocol/AcpiS3Save.h>
+#include <IndustryStandard/Acpi.h>
+
+#include "AcpiS3Save.h"
+
+/**
+ Hook point for AcpiVariableThunkPlatform for InstallAcpiS3Save.
+**/
+VOID
+InstallAcpiS3SaveThunk (
+ VOID
+ );
+
+/**
+ Hook point for AcpiVariableThunkPlatform for S3Ready.
+
+ @param AcpiS3Context ACPI s3 context
+**/
+VOID
+S3ReadyThunkPlatform (
+ IN ACPI_S3_CONTEXT *AcpiS3Context
+ );
+
+UINTN mLegacyRegionSize;
+
+EFI_ACPI_S3_SAVE_PROTOCOL mS3Save = {
+ LegacyGetS3MemorySize,
+ S3Ready,
+};
+
+EFI_GUID mAcpiS3IdtrProfileGuid = {
+ 0xdea652b0, 0xd587, 0x4c54, 0xb5, 0xb4, 0xc6, 0x82, 0xe7, 0xa0, 0xaa, 0x3d
+};
+
+/**
+ Allocate EfiACPIMemoryNVS below 4G memory address.
+
+ This function allocates EfiACPIMemoryNVS below 4G memory address.
+
+ @param Size Size of memory to allocate.
+
+ @return Allocated address for output.
+
+**/
+VOID*
+AllocateAcpiNvsMemoryBelow4G (
+ IN UINTN Size
+ )
+{
+ UINTN Pages;
+ EFI_PHYSICAL_ADDRESS Address;
+ EFI_STATUS Status;
+ VOID* Buffer;
+
+ Pages = EFI_SIZE_TO_PAGES (Size);
+ Address = 0xffffffff;
+
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiACPIMemoryNVS,
+ Pages,
+ &Address
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Buffer = (VOID *) (UINTN) Address;
+ ZeroMem (Buffer, Size);
+
+ return Buffer;
+}
+
+/**
+ To find Facs in Acpi tables.
+
+ To find Firmware ACPI control strutcure in Acpi Tables since the S3 waking vector is stored
+ in the table.
+
+ @param AcpiTableGuid The guid used to find ACPI table in UEFI ConfigurationTable.
+
+ @return Facs table pointer.
+**/
+EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *
+FindAcpiFacsTableByAcpiGuid (
+ IN EFI_GUID *AcpiTableGuid
+ )
+{
+ EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;
+ EFI_ACPI_DESCRIPTION_HEADER *Rsdt;
+ EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt;
+ EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs;
+ UINTN Index;
+ UINT32 Data32;
+ Rsdp = NULL;
+ Rsdt = NULL;
+ Fadt = NULL;
+ //
+ // found ACPI table RSD_PTR from system table
+ //
+ for (Index = 0; Index < gST->NumberOfTableEntries; Index++) {
+ if (CompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), AcpiTableGuid)) {
+ //
+ // A match was found.
+ //
+ Rsdp = gST->ConfigurationTable[Index].VendorTable;
+ break;
+ }
+ }
+
+ if (Rsdp == NULL) {
+ return NULL;
+ }
+
+ Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN) Rsdp->RsdtAddress;
+ if (Rsdt == NULL || Rsdt->Signature != EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) {
+ return NULL;
+ }
+
+ for (Index = sizeof (EFI_ACPI_DESCRIPTION_HEADER); Index < Rsdt->Length; Index = Index + sizeof (UINT32)) {
+
+ Data32 = *(UINT32 *) ((UINT8 *) Rsdt + Index);
+ Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *) (UINT32 *) (UINTN) Data32;
+ if (Fadt->Header.Signature == EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {
+ break;
+ }
+ }
+
+ if (Fadt == NULL || Fadt->Header.Signature != EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {
+ return NULL;
+ }
+
+ Facs = (EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *)(UINTN)Fadt->FirmwareCtrl;
+
+ return Facs;
+}
+
+/**
+ To find Facs in Acpi tables.
+
+ To find Firmware ACPI control strutcure in Acpi Tables since the S3 waking vector is stored
+ in the table.
+
+ @return Facs table pointer.
+**/
+EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *
+FindAcpiFacsTable (
+ VOID
+ )
+{
+ EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs;
+
+ Facs = FindAcpiFacsTableByAcpiGuid (&gEfiAcpi20TableGuid);
+ if (Facs != NULL) {
+ return Facs;
+ }
+
+ return FindAcpiFacsTableByAcpiGuid (&gEfiAcpi10TableGuid);
+}
+
+/**
+ Allocates and fills in the Page Directory and Page Table Entries to
+ establish a 1:1 Virtual to Physical mapping.
+ If BootScriptExector driver will run in 64-bit mode, this function will establish the 1:1
+ virtual to physical mapping page table.
+ If BootScriptExector driver will not run in 64-bit mode, this function will do nothing.
+
+ @return the 1:1 Virtual to Physical identity mapping page table base address.
+
+**/
+EFI_PHYSICAL_ADDRESS
+S3CreateIdentityMappingPageTables (
+ VOID
+ )
+{
+ if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {
+ UINT32 RegEax;
+ UINT8 PhysicalAddressBits;
+ EFI_PHYSICAL_ADDRESS PageAddress;
+ UINTN IndexOfPml4Entries;
+ UINTN IndexOfPdpEntries;
+ UINTN IndexOfPageDirectoryEntries;
+ UINTN NumberOfPml4EntriesNeeded;
+ UINTN NumberOfPdpEntriesNeeded;
+ PAGE_MAP_AND_DIRECTORY_POINTER *PageMapLevel4Entry;
+ PAGE_MAP_AND_DIRECTORY_POINTER *PageMap;
+ PAGE_MAP_AND_DIRECTORY_POINTER *PageDirectoryPointerEntry;
+ PAGE_TABLE_ENTRY *PageDirectoryEntry;
+ EFI_PHYSICAL_ADDRESS S3NvsPageTableAddress;
+ UINTN TotalPageTableSize;
+
+ //
+ // Get physical address bits supported.
+ //
+ AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
+ if (RegEax >= 0x80000008) {
+ AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);
+ PhysicalAddressBits = (UINT8) RegEax;
+ } else {
+ PhysicalAddressBits = 36;
+ }
+
+ //
+ // Calculate the table entries needed.
+ //
+ if (PhysicalAddressBits <= 39 ) {
+ NumberOfPml4EntriesNeeded = 1;
+ NumberOfPdpEntriesNeeded = (UINTN)LShiftU64 (1, (PhysicalAddressBits - 30));
+ } else {
+ NumberOfPml4EntriesNeeded = (UINTN)LShiftU64 (1, (PhysicalAddressBits - 39));
+ NumberOfPdpEntriesNeeded = 512;
+ }
+
+ //
+ // We need calculate whole page size then allocate once, because S3 restore page table does not know each page in Nvs.
+ //
+ TotalPageTableSize = (UINTN)(1 + NumberOfPml4EntriesNeeded + NumberOfPml4EntriesNeeded * NumberOfPdpEntriesNeeded);
+ DEBUG ((EFI_D_ERROR, "TotalPageTableSize - %x pages\n", TotalPageTableSize));
+
+ //
+ // By architecture only one PageMapLevel4 exists - so lets allocate storgage for it.
+ //
+ S3NvsPageTableAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateAcpiNvsMemoryBelow4G (EFI_PAGES_TO_SIZE(TotalPageTableSize));
+ ASSERT (S3NvsPageTableAddress != 0);
+ PageMap = (PAGE_MAP_AND_DIRECTORY_POINTER *)(UINTN)S3NvsPageTableAddress;
+ S3NvsPageTableAddress += SIZE_4KB;
+
+ PageMapLevel4Entry = PageMap;
+ PageAddress = 0;
+ for (IndexOfPml4Entries = 0; IndexOfPml4Entries < NumberOfPml4EntriesNeeded; IndexOfPml4Entries++, PageMapLevel4Entry++) {
+ //
+ // Each PML4 entry points to a page of Page Directory Pointer entires.
+ // So lets allocate space for them and fill them in in the IndexOfPdpEntries loop.
+ //
+ PageDirectoryPointerEntry = (PAGE_MAP_AND_DIRECTORY_POINTER *)(UINTN)S3NvsPageTableAddress;
+ S3NvsPageTableAddress += SIZE_4KB;
+ //
+ // Make a PML4 Entry
+ //
+ PageMapLevel4Entry->Uint64 = (UINT64)(UINTN)PageDirectoryPointerEntry;
+ PageMapLevel4Entry->Bits.ReadWrite = 1;
+ PageMapLevel4Entry->Bits.Present = 1;
+
+ for (IndexOfPdpEntries = 0; IndexOfPdpEntries < NumberOfPdpEntriesNeeded; IndexOfPdpEntries++, PageDirectoryPointerEntry++) {
+ //
+ // Each Directory Pointer entries points to a page of Page Directory entires.
+ // So allocate space for them and fill them in in the IndexOfPageDirectoryEntries loop.
+ //
+ PageDirectoryEntry = (PAGE_TABLE_ENTRY *)(UINTN)S3NvsPageTableAddress;
+ S3NvsPageTableAddress += SIZE_4KB;
+
+ //
+ // Fill in a Page Directory Pointer Entries
+ //
+ PageDirectoryPointerEntry->Uint64 = (UINT64)(UINTN)PageDirectoryEntry;
+ PageDirectoryPointerEntry->Bits.ReadWrite = 1;
+ PageDirectoryPointerEntry->Bits.Present = 1;
+
+ for (IndexOfPageDirectoryEntries = 0; IndexOfPageDirectoryEntries < 512; IndexOfPageDirectoryEntries++, PageDirectoryEntry++, PageAddress += 0x200000) {
+ //
+ // Fill in the Page Directory entries
+ //
+ PageDirectoryEntry->Uint64 = (UINT64)PageAddress;
+ PageDirectoryEntry->Bits.ReadWrite = 1;
+ PageDirectoryEntry->Bits.Present = 1;
+ PageDirectoryEntry->Bits.MustBe1 = 1;
+ }
+ }
+ }
+ return (EFI_PHYSICAL_ADDRESS) (UINTN) PageMap;
+ } else {
+ //
+ // If DXE is running 32-bit mode, no need to establish page table.
+ //
+ return (EFI_PHYSICAL_ADDRESS) 0;
+ }
+}
+
+/**
+ Gets the buffer of legacy memory below 1 MB
+ This function is to get the buffer in legacy memory below 1MB that is required during S3 resume.
+
+ @param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.
+ @param Size The returned size of legacy memory below 1 MB.
+
+ @retval EFI_SUCCESS Size is successfully returned.
+ @retval EFI_INVALID_PARAMETER The pointer Size is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+LegacyGetS3MemorySize (
+ IN EFI_ACPI_S3_SAVE_PROTOCOL *This,
+ OUT UINTN *Size
+ )
+{
+ if (Size == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *Size = mLegacyRegionSize;
+ return EFI_SUCCESS;
+}
+
+/**
+ Prepares all information that is needed in the S3 resume boot path.
+
+ Allocate the resources or prepare informations and save in ACPI variable set for S3 resume boot path
+
+ @param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.
+ @param LegacyMemoryAddress The base address of legacy memory.
+
+ @retval EFI_NOT_FOUND Some necessary information cannot be found.
+ @retval EFI_SUCCESS All information was saved successfully.
+ @retval EFI_OUT_OF_RESOURCES Resources were insufficient to save all the information.
+ @retval EFI_INVALID_PARAMETER The memory range is not located below 1 MB.
+
+**/
+EFI_STATUS
+EFIAPI
+S3Ready (
+ IN EFI_ACPI_S3_SAVE_PROTOCOL *This,
+ IN VOID *LegacyMemoryAddress
+ )
+{
+ EFI_STATUS Status;
+ EFI_PHYSICAL_ADDRESS AcpiS3ContextBuffer;
+ ACPI_S3_CONTEXT *AcpiS3Context;
+ STATIC BOOLEAN AlreadyEntered;
+ IA32_DESCRIPTOR *Idtr;
+ IA32_IDT_GATE_DESCRIPTOR *IdtGate;
+
+ DEBUG ((EFI_D_INFO, "S3Ready!\n"));
+
+ //
+ // Platform may invoke AcpiS3Save->S3Save() before ExitPmAuth, because we need save S3 information there, while BDS ReadyToBoot may invoke it again.
+ // So if 2nd S3Save() is triggered later, we need ignore it.
+ //
+ if (AlreadyEntered) {
+ return EFI_SUCCESS;
+ }
+ AlreadyEntered = TRUE;
+
+ AcpiS3Context = AllocateAcpiNvsMemoryBelow4G (sizeof(*AcpiS3Context));
+ ASSERT (AcpiS3Context != NULL);
+ AcpiS3ContextBuffer = (EFI_PHYSICAL_ADDRESS)(UINTN)AcpiS3Context;
+
+ //
+ // Get ACPI Table because we will save its position to variable
+ //
+ AcpiS3Context->AcpiFacsTable = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiFacsTable ();
+ ASSERT (AcpiS3Context->AcpiFacsTable != 0);
+
+ IdtGate = AllocateAcpiNvsMemoryBelow4G (sizeof(IA32_IDT_GATE_DESCRIPTOR) * 0x100 + sizeof(IA32_DESCRIPTOR));
+ Idtr = (IA32_DESCRIPTOR *)(IdtGate + 0x100);
+ Idtr->Base = (UINTN)IdtGate;
+ Idtr->Limit = (UINT16)(sizeof(IA32_IDT_GATE_DESCRIPTOR) * 0x100 - 1);
+ AcpiS3Context->IdtrProfile = (EFI_PHYSICAL_ADDRESS)(UINTN)Idtr;
+
+ Status = SaveLockBox (
+ &mAcpiS3IdtrProfileGuid,
+ (VOID *)(UINTN)Idtr,
+ (UINTN)sizeof(IA32_DESCRIPTOR)
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Status = SetLockBoxAttributes (&mAcpiS3IdtrProfileGuid, LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Allocate page table
+ //
+ AcpiS3Context->S3NvsPageTableAddress = S3CreateIdentityMappingPageTables ();
+
+ //
+ // Allocate stack
+ //
+ AcpiS3Context->BootScriptStackSize = PcdGet32 (PcdS3BootScriptStackSize);
+ AcpiS3Context->BootScriptStackBase = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateAcpiNvsMemoryBelow4G (PcdGet32 (PcdS3BootScriptStackSize));
+ ASSERT (AcpiS3Context->BootScriptStackBase != 0);
+
+ //
+ // Allocate a code buffer < 4G for S3 debug to load external code
+ //
+ AcpiS3Context->S3DebugBufferAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateAcpiNvsMemoryBelow4G (EFI_PAGE_SIZE);
+
+ DEBUG((EFI_D_INFO, "AcpiS3Context: AcpiFacsTable is 0x%8x\n", AcpiS3Context->AcpiFacsTable));
+ DEBUG((EFI_D_INFO, "AcpiS3Context: IdtrProfile is 0x%8x\n", AcpiS3Context->IdtrProfile));
+ DEBUG((EFI_D_INFO, "AcpiS3Context: S3NvsPageTableAddress is 0x%8x\n", AcpiS3Context->S3NvsPageTableAddress));
+ DEBUG((EFI_D_INFO, "AcpiS3Context: S3DebugBufferAddress is 0x%8x\n", AcpiS3Context->S3DebugBufferAddress));
+
+ Status = SaveLockBox (
+ &gEfiAcpiVariableGuid,
+ &AcpiS3ContextBuffer,
+ sizeof(AcpiS3ContextBuffer)
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Status = SaveLockBox (
+ &gEfiAcpiS3ContextGuid,
+ (VOID *)(UINTN)AcpiS3Context,
+ (UINTN)sizeof(*AcpiS3Context)
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Status = SetLockBoxAttributes (&gEfiAcpiS3ContextGuid, LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE);
+ ASSERT_EFI_ERROR (Status);
+
+ if (FeaturePcdGet(PcdFrameworkCompatibilitySupport)) {
+ S3ReadyThunkPlatform (AcpiS3Context);
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ The Driver Entry Point.
+
+ The function is the driver Entry point which will produce AcpiS3SaveProtocol.
+
+ @param ImageHandle A handle for the image that is initializing this driver
+ @param SystemTable A pointer to the EFI system table
+
+ @retval EFI_SUCCESS: Driver initialized successfully
+ @retval EFI_LOAD_ERROR: Failed to Initialize or has been loaded
+ @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources
+
+**/
+EFI_STATUS
+EFIAPI
+InstallAcpiS3Save (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ if (!FeaturePcdGet(PcdPlatformCsmSupport)) {
+ //
+ // More memory for no CSM tip, because GDT need relocation
+ //
+ mLegacyRegionSize = 0x250;
+ } else {
+ mLegacyRegionSize = 0x100;
+ }
+
+ if (FeaturePcdGet(PcdFrameworkCompatibilitySupport)) {
+ InstallAcpiS3SaveThunk ();
+ }
+
+ Status = gBS->InstallProtocolInterface (
+ &ImageHandle,
+ &gEfiAcpiS3SaveProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ &mS3Save
+ );
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+}
diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.h b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.h new file mode 100644 index 0000000000..d9bbe932d8 --- /dev/null +++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.h @@ -0,0 +1,135 @@ +/** @file
+ This is an implementation of the ACPI S3 Save protocol. This is defined in
+ S3 boot path specification 0.9.
+
+Copyright (c) 2006 - 2010, 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.
+
+**/
+
+#ifndef _ACPI_S3_SAVE_H_
+#define _ACPI_S3_SAVE_H_
+
+#pragma pack(push, 1)
+
+typedef union {
+ struct {
+ UINT32 LimitLow : 16;
+ UINT32 BaseLow : 16;
+ UINT32 BaseMid : 8;
+ UINT32 Type : 4;
+ UINT32 System : 1;
+ UINT32 Dpl : 2;
+ UINT32 Present : 1;
+ UINT32 LimitHigh : 4;
+ UINT32 Software : 1;
+ UINT32 Reserved : 1;
+ UINT32 DefaultSize : 1;
+ UINT32 Granularity : 1;
+ UINT32 BaseHigh : 8;
+ } Bits;
+ UINT64 Uint64;
+} IA32_GDT;
+
+typedef struct {
+ IA32_IDT_GATE_DESCRIPTOR Ia32IdtEntry;
+ UINT32 Offset32To63;
+ UINT32 Reserved;
+} X64_IDT_GATE_DESCRIPTOR;
+
+//
+// Page-Map Level-4 Offset (PML4) and
+// Page-Directory-Pointer Offset (PDPE) entries 4K & 2MB
+//
+
+typedef union {
+ struct {
+ UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory
+ UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write
+ UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User
+ UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching
+ UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached
+ UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU)
+ UINT64 Reserved:1; // Reserved
+ UINT64 MustBeZero:2; // Must Be Zero
+ UINT64 Available:3; // Available for use by system software
+ UINT64 PageTableBaseAddress:40; // Page Table Base Address
+ UINT64 AvabilableHigh:11; // Available for use by system software
+ UINT64 Nx:1; // No Execute bit
+ } Bits;
+ UINT64 Uint64;
+} PAGE_MAP_AND_DIRECTORY_POINTER;
+
+//
+// Page Table Entry 2MB
+//
+typedef union {
+ struct {
+ UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory
+ UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write
+ UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User
+ UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching
+ UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached
+ UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU)
+ UINT64 Dirty:1; // 0 = Not Dirty, 1 = written by processor on access to page
+ UINT64 MustBe1:1; // Must be 1
+ UINT64 Global:1; // 0 = Not global page, 1 = global page TLB not cleared on CR3 write
+ UINT64 Available:3; // Available for use by system software
+ UINT64 PAT:1; //
+ UINT64 MustBeZero:8; // Must be zero;
+ UINT64 PageTableBaseAddress:31; // Page Table Base Address
+ UINT64 AvabilableHigh:11; // Available for use by system software
+ UINT64 Nx:1; // 0 = Execute Code, 1 = No Code Execution
+ } Bits;
+ UINT64 Uint64;
+} PAGE_TABLE_ENTRY;
+
+#pragma pack()
+
+/**
+ Gets the buffer of legacy memory below 1 MB
+ This function is to get the buffer in legacy memory below 1MB that is required during S3 resume.
+
+ @param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.
+ @param Size The returned size of legacy memory below 1 MB.
+
+ @retval EFI_SUCCESS Size is successfully returned.
+ @retval EFI_INVALID_PARAMETER The pointer Size is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+LegacyGetS3MemorySize (
+ IN EFI_ACPI_S3_SAVE_PROTOCOL * This,
+ OUT UINTN * Size
+ );
+
+/**
+ Prepares all information that is needed in the S3 resume boot path.
+
+ Allocate the resources or prepare informations and save in ACPI variable set for S3 resume boot path
+
+ @param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.
+ @param LegacyMemoryAddress The base address of legacy memory.
+
+ @retval EFI_NOT_FOUND Some necessary information cannot be found.
+ @retval EFI_SUCCESS All information was saved successfully.
+ @retval EFI_OUT_OF_RESOURCES Resources were insufficient to save all the information.
+ @retval EFI_INVALID_PARAMETER The memory range is not located below 1 MB.
+
+**/
+EFI_STATUS
+EFIAPI
+S3Ready (
+ IN EFI_ACPI_S3_SAVE_PROTOCOL *This,
+ IN VOID *LegacyMemoryAddress
+ );
+#endif
diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3SaveDxe.inf b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3SaveDxe.inf new file mode 100644 index 0000000000..24a526d963 --- /dev/null +++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3SaveDxe.inf @@ -0,0 +1,83 @@ +## @file
+# Component description file for AcpiS3Save module.
+#
+# This is an implementation of the ACPI S3 Save protocol.
+# Copyright (c) 2006 - 2011, 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.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = AcpiS3SaveDxe
+ FILE_GUID = 2BDED685-F733-455f-A840-43A22B791FB3
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+
+ ENTRY_POINT = InstallAcpiS3Save
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Sources]
+ AcpiS3Save.h
+ AcpiS3Save.c
+ AcpiVariableThunkPlatform.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ IntelFrameworkPkg/IntelFrameworkPkg.dec
+ IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
+
+[LibraryClasses]
+ PcdLib
+ UefiRuntimeServicesTableLib
+ UefiBootServicesTableLib
+ UefiDriverEntryPoint
+ BaseMemoryLib
+ HobLib
+ UefiLib
+ LockBoxLib
+ DebugLib
+ DxeServicesLib
+
+[Guids]
+ gEfiAcpiVariableGuid # ALWAYS_CONSUMED
+ gEfiAcpiS3ContextGuid # ALWAYS_CONSUMED
+ gEfiAcpiVariableCompatiblityGuid # SOMETIME_CONSUMED L"AcpiGlobalVariable"
+ gEfiAcpi20TableGuid # ALWAYS_CONSUMED System Table
+ gEfiAcpi10TableGuid # ALWAYS_CONSUMED System Table
+
+[Protocols]
+ gEfiAcpiS3SaveProtocolGuid # PROTOCOL ALWAYS_PRODUCED
+ gEfiLegacyBiosProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiLegacyRegion2ProtocolGuid # PROTOCOL SOMETIMES_CONSUMED
+ gFrameworkEfiMpServiceProtocolGuid # PROTOCOL SOMETIMES_CONSUMED
+
+[FeaturePcd]
+ gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPlatformCsmSupport ## CONSUMES
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFrameworkCompatibilitySupport ## CONSUMES
+ gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode
+
+[Pcd]
+ gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdS3AcpiReservedMemorySize ## CONSUMES
+ gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdS3BootScriptStackSize ## CONSUMES
+
+[Depex]
+ #
+ # Note: the extra dependency of gEfiMpServiceProtocolGuid is to ensure that ACPI variable is set by MpDxe driver before
+ # AcpiS3SaveDxe module is executed.
+ #
+ gEfiVariableArchProtocolGuid AND gEfiVariableWriteArchProtocolGuid AND gEfiMpServiceProtocolGuid
+
diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiVariableThunkPlatform.c b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiVariableThunkPlatform.c new file mode 100644 index 0000000000..883b79035f --- /dev/null +++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiVariableThunkPlatform.c @@ -0,0 +1,166 @@ +/** @file
+ This is an implementation of the AcpiVariable platform field for ECP platform.
+
+Copyright (c) 2006 - 2010, 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 <Protocol/FrameworkMpService.h>
+#include <Guid/AcpiVariableCompatibility.h>
+#include <Guid/AcpiS3Context.h>
+
+GLOBAL_REMOVE_IF_UNREFERENCED
+ACPI_VARIABLE_SET_COMPATIBILITY *mAcpiVariableSetCompatibility = NULL;
+
+/**
+ Allocate EfiACPIMemoryNVS below 4G memory address.
+
+ This function allocates EfiACPIMemoryNVS below 4G memory address.
+
+ @param Size Size of memory to allocate.
+
+ @return Allocated address for output.
+
+**/
+VOID*
+AllocateAcpiNvsMemoryBelow4G (
+ IN UINTN Size
+ );
+
+/**
+ Hook point for AcpiVariableThunkPlatform for S3Ready.
+
+ @param AcpiS3Context ACPI s3 context
+**/
+VOID
+S3ReadyThunkPlatform (
+ IN ACPI_S3_CONTEXT *AcpiS3Context
+ )
+{
+ EFI_PHYSICAL_ADDRESS AcpiMemoryBase;
+ UINT32 AcpiMemorySize;
+ EFI_PEI_HOB_POINTERS Hob;
+ UINT64 MemoryLength;
+
+ DEBUG ((EFI_D_INFO, "S3ReadyThunkPlatform\n"));
+
+ //
+ // Allocate ACPI reserved memory under 4G
+ //
+ AcpiMemoryBase = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateAcpiNvsMemoryBelow4G (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 ;
+}
+
+/**
+ Hook point for AcpiVariableThunkPlatform for InstallAcpiS3Save.
+**/
+VOID
+InstallAcpiS3SaveThunk (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ FRAMEWORK_EFI_MP_SERVICES_PROTOCOL *FrameworkMpService;
+ UINTN VarSize;
+
+ 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
+ );
+ ASSERT_EFI_ERROR (Status);
+ } else {
+ //
+ // Allocate/initialize the compatible version of Acpi Variable Set since Framework chipset/platform
+ // driver need this variable
+ //
+ mAcpiVariableSetCompatibility = AllocateAcpiNvsMemoryBelow4G (sizeof(ACPI_VARIABLE_SET_COMPATIBILITY));
+ Status = gRT->SetVariable (
+ ACPI_GLOBAL_VARIABLE,
+ &gEfiAcpiVariableCompatiblityGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ sizeof(mAcpiVariableSetCompatibility),
+ &mAcpiVariableSetCompatibility
+ );
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ DEBUG((EFI_D_INFO, "AcpiVariableSetCompatibility is 0x%8x\n", mAcpiVariableSetCompatibility));
+}
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