diff options
Diffstat (limited to 'MdeModulePkg/Universal/Acpi/S3SaveStateDxe/AcpiS3ContextSave.c')
| -rw-r--r-- | MdeModulePkg/Universal/Acpi/S3SaveStateDxe/AcpiS3ContextSave.c | 110 |
1 files changed, 57 insertions, 53 deletions
diff --git a/MdeModulePkg/Universal/Acpi/S3SaveStateDxe/AcpiS3ContextSave.c b/MdeModulePkg/Universal/Acpi/S3SaveStateDxe/AcpiS3ContextSave.c index 8df9d73a96..03f7a332d3 100644 --- a/MdeModulePkg/Universal/Acpi/S3SaveStateDxe/AcpiS3ContextSave.c +++ b/MdeModulePkg/Universal/Acpi/S3SaveStateDxe/AcpiS3ContextSave.c @@ -23,9 +23,9 @@ SPDX-License-Identifier: BSD-2-Clause-Patent //
// 8 extra pages for PF handler.
//
-#define EXTRA_PAGE_TABLE_PAGES 8
+#define EXTRA_PAGE_TABLE_PAGES 8
-EFI_GUID mAcpiS3IdtrProfileGuid = {
+EFI_GUID mAcpiS3IdtrProfileGuid = {
0xdea652b0, 0xd587, 0x4c54, { 0xb5, 0xb4, 0xc6, 0x82, 0xe7, 0xa0, 0xaa, 0x3d }
};
@@ -40,29 +40,29 @@ EFI_GUID mAcpiS3IdtrProfileGuid = { @return Allocated address for output.
**/
-VOID*
+VOID *
AllocateMemoryBelow4G (
- IN EFI_MEMORY_TYPE MemoryType,
- IN UINTN Size
+ IN EFI_MEMORY_TYPE MemoryType,
+ IN UINTN Size
)
{
UINTN Pages;
EFI_PHYSICAL_ADDRESS Address;
EFI_STATUS Status;
- VOID* Buffer;
+ VOID *Buffer;
- Pages = EFI_SIZE_TO_PAGES (Size);
+ Pages = EFI_SIZE_TO_PAGES (Size);
Address = 0xffffffff;
- Status = gBS->AllocatePages (
- AllocateMaxAddress,
- MemoryType,
- Pages,
- &Address
- );
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ MemoryType,
+ Pages,
+ &Address
+ );
ASSERT_EFI_ERROR (Status);
- Buffer = (VOID *) (UINTN) Address;
+ Buffer = (VOID *)(UINTN)Address;
ZeroMem (Buffer, Size);
return Buffer;
@@ -79,18 +79,21 @@ AllocateMemoryBelow4G ( **/
BOOLEAN
IsLongModeWakingVectorSupport (
- IN EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs
+ IN EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs
)
{
if ((Facs == NULL) ||
- (Facs->Signature != EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ) {
+ (Facs->Signature != EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE))
+ {
//
// Something wrong with FACS.
//
return FALSE;
}
+
if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&
- ((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0)) {
+ ((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0))
+ {
//
// BIOS supports 64bit waking vector.
//
@@ -98,6 +101,7 @@ IsLongModeWakingVectorSupport ( return TRUE;
}
}
+
return FALSE;
}
@@ -117,23 +121,23 @@ IsLongModeWakingVectorSupport ( **/
EFI_PHYSICAL_ADDRESS
S3AllocatePageTablesBuffer (
- IN BOOLEAN LongModeWakingVectorSupport
+ IN BOOLEAN LongModeWakingVectorSupport
)
{
if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {
- UINTN ExtraPageTablePages;
- UINT32 RegEax;
- UINT32 RegEdx;
- UINT8 PhysicalAddressBits;
- UINT32 NumberOfPml4EntriesNeeded;
- UINT32 NumberOfPdpEntriesNeeded;
- EFI_PHYSICAL_ADDRESS S3NvsPageTableAddress;
- UINTN TotalPageTableSize;
- VOID *Hob;
- BOOLEAN Page1GSupport;
+ UINTN ExtraPageTablePages;
+ UINT32 RegEax;
+ UINT32 RegEdx;
+ UINT8 PhysicalAddressBits;
+ UINT32 NumberOfPml4EntriesNeeded;
+ UINT32 NumberOfPdpEntriesNeeded;
+ EFI_PHYSICAL_ADDRESS S3NvsPageTableAddress;
+ UINTN TotalPageTableSize;
+ VOID *Hob;
+ BOOLEAN Page1GSupport;
Page1GSupport = FALSE;
- if (PcdGetBool(PcdUse1GPageTable)) {
+ if (PcdGetBool (PcdUse1GPageTable)) {
AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
if (RegEax >= 0x80000001) {
AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);
@@ -148,12 +152,12 @@ S3AllocatePageTablesBuffer ( //
Hob = GetFirstHob (EFI_HOB_TYPE_CPU);
if (Hob != NULL) {
- PhysicalAddressBits = ((EFI_HOB_CPU *) Hob)->SizeOfMemorySpace;
+ PhysicalAddressBits = ((EFI_HOB_CPU *)Hob)->SizeOfMemorySpace;
} else {
AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
if (RegEax >= 0x80000008) {
AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);
- PhysicalAddressBits = (UINT8) RegEax;
+ PhysicalAddressBits = (UINT8)RegEax;
} else {
PhysicalAddressBits = 36;
}
@@ -182,10 +186,10 @@ S3AllocatePageTablesBuffer ( //
if (PhysicalAddressBits <= 39 ) {
NumberOfPml4EntriesNeeded = 1;
- NumberOfPdpEntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 30));
+ NumberOfPdpEntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 30));
} else {
NumberOfPml4EntriesNeeded = (UINT32)LShiftU64 (1, (PhysicalAddressBits - 39));
- NumberOfPdpEntriesNeeded = 512;
+ NumberOfPdpEntriesNeeded = 512;
}
//
@@ -203,14 +207,14 @@ S3AllocatePageTablesBuffer ( //
// By architecture only one PageMapLevel4 exists - so lets allocate storage for it.
//
- S3NvsPageTableAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateMemoryBelow4G (EfiReservedMemoryType, EFI_PAGES_TO_SIZE(TotalPageTableSize));
+ S3NvsPageTableAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateMemoryBelow4G (EfiReservedMemoryType, EFI_PAGES_TO_SIZE (TotalPageTableSize));
ASSERT (S3NvsPageTableAddress != 0);
return S3NvsPageTableAddress;
} else {
//
// If DXE is running 32-bit mode, no need to establish page table.
//
- return (EFI_PHYSICAL_ADDRESS) 0;
+ return (EFI_PHYSICAL_ADDRESS)0;
}
}
@@ -244,29 +248,29 @@ AcpiS3ContextSaveOnEndOfDxe ( goto Done;
}
- AcpiS3Context = AllocateMemoryBelow4G (EfiReservedMemoryType, sizeof(*AcpiS3Context));
+ AcpiS3Context = AllocateMemoryBelow4G (EfiReservedMemoryType, sizeof (*AcpiS3Context));
ASSERT (AcpiS3Context != NULL);
AcpiS3ContextBuffer = (EFI_PHYSICAL_ADDRESS)(UINTN)AcpiS3Context;
//
// Get ACPI Table because we will save its position to variable
//
- Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) EfiLocateFirstAcpiTable (
- EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE
- );
- AcpiS3Context->AcpiFacsTable = (EFI_PHYSICAL_ADDRESS) (UINTN) Facs;
+ Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *)EfiLocateFirstAcpiTable (
+ EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE
+ );
+ AcpiS3Context->AcpiFacsTable = (EFI_PHYSICAL_ADDRESS)(UINTN)Facs;
ASSERT (AcpiS3Context->AcpiFacsTable != 0);
- IdtGate = AllocateMemoryBelow4G (EfiReservedMemoryType, 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);
+ IdtGate = AllocateMemoryBelow4G (EfiReservedMemoryType, 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)
+ (UINTN)sizeof (IA32_DESCRIPTOR)
);
ASSERT_EFI_ERROR (Status);
@@ -291,24 +295,24 @@ AcpiS3ContextSaveOnEndOfDxe ( AcpiS3Context->S3DebugBufferAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateMemoryBelow4G (EfiReservedMemoryType, EFI_PAGE_SIZE);
SetMem ((VOID *)(UINTN)AcpiS3Context->S3DebugBufferAddress, EFI_PAGE_SIZE, 0xff);
- DEBUG((DEBUG_INFO, "AcpiS3Context: AcpiFacsTable is 0x%8x\n", AcpiS3Context->AcpiFacsTable));
- DEBUG((DEBUG_INFO, "AcpiS3Context: IdtrProfile is 0x%8x\n", AcpiS3Context->IdtrProfile));
- DEBUG((DEBUG_INFO, "AcpiS3Context: S3NvsPageTableAddress is 0x%8x\n", AcpiS3Context->S3NvsPageTableAddress));
- DEBUG((DEBUG_INFO, "AcpiS3Context: S3DebugBufferAddress is 0x%8x\n", AcpiS3Context->S3DebugBufferAddress));
- DEBUG((DEBUG_INFO, "AcpiS3Context: BootScriptStackBase is 0x%8x\n", AcpiS3Context->BootScriptStackBase));
- DEBUG((DEBUG_INFO, "AcpiS3Context: BootScriptStackSize is 0x%8x\n", AcpiS3Context->BootScriptStackSize));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context: AcpiFacsTable is 0x%8x\n", AcpiS3Context->AcpiFacsTable));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context: IdtrProfile is 0x%8x\n", AcpiS3Context->IdtrProfile));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context: S3NvsPageTableAddress is 0x%8x\n", AcpiS3Context->S3NvsPageTableAddress));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context: S3DebugBufferAddress is 0x%8x\n", AcpiS3Context->S3DebugBufferAddress));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context: BootScriptStackBase is 0x%8x\n", AcpiS3Context->BootScriptStackBase));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context: BootScriptStackSize is 0x%8x\n", AcpiS3Context->BootScriptStackSize));
Status = SaveLockBox (
&gEfiAcpiVariableGuid,
&AcpiS3ContextBuffer,
- sizeof(AcpiS3ContextBuffer)
+ sizeof (AcpiS3ContextBuffer)
);
ASSERT_EFI_ERROR (Status);
Status = SaveLockBox (
&gEfiAcpiS3ContextGuid,
(VOID *)(UINTN)AcpiS3Context,
- (UINTN)sizeof(*AcpiS3Context)
+ (UINTN)sizeof (*AcpiS3Context)
);
ASSERT_EFI_ERROR (Status);
|