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Diffstat (limited to 'UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c')
-rw-r--r--UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c494
1 files changed, 263 insertions, 231 deletions
diff --git a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c
index 6fa907161a..8419a4e32a 100644
--- a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c
+++ b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c
@@ -58,21 +58,21 @@
#pragma pack(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;
+ 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;
+ UINT64 Uint64;
} IA32_GDT;
//
@@ -81,18 +81,18 @@ typedef union {
//
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
+ 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;
@@ -102,21 +102,21 @@ typedef union {
//
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
+ 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;
@@ -126,21 +126,21 @@ typedef union {
//
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:17; // Must be zero;
- UINT64 PageTableBaseAddress:22; // Page Table Base Address
- UINT64 AvabilableHigh:11; // Available for use by system software
- UINT64 Nx:1; // 0 = Execute Code, 1 = No Code Execution
+ 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 : 17; // Must be zero;
+ UINT64 PageTableBaseAddress : 22; // 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_1G_ENTRY;
@@ -150,15 +150,15 @@ typedef union {
// One for 32 bits PEI + 64 bits DXE, the other for 32 bits PEI + 32 bits DXE case.
//
typedef struct {
- EFI_GUID HeaderGuid;
- UINT32 MessageLength;
- UINT8 Data[1];
+ EFI_GUID HeaderGuid;
+ UINT32 MessageLength;
+ UINT8 Data[1];
} SMM_COMMUNICATE_HEADER_32;
typedef struct {
- EFI_GUID HeaderGuid;
- UINT64 MessageLength;
- UINT8 Data[1];
+ EFI_GUID HeaderGuid;
+ UINT64 MessageLength;
+ UINT8 Data[1];
} SMM_COMMUNICATE_HEADER_64;
#pragma pack()
@@ -166,6 +166,7 @@ typedef struct {
//
// Function prototypes
//
+
/**
a ASM function to transfer control to OS.
@@ -174,7 +175,7 @@ typedef struct {
**/
typedef
VOID
-(EFIAPI *ASM_TRANSFER_CONTROL) (
+(EFIAPI *ASM_TRANSFER_CONTROL)(
IN UINT32 S3WakingVector,
IN UINT32 AcpiLowMemoryBase
);
@@ -225,33 +226,33 @@ S3RestoreConfig2 (
VOID
EFIAPI
AsmSetDataSelectors (
- IN UINT16 SelectorValue
+ IN UINT16 SelectorValue
);
//
// Globals
//
-EFI_PEI_S3_RESUME2_PPI mS3ResumePpi = { S3RestoreConfig2 };
+EFI_PEI_S3_RESUME2_PPI mS3ResumePpi = { S3RestoreConfig2 };
-EFI_PEI_PPI_DESCRIPTOR mPpiList = {
+EFI_PEI_PPI_DESCRIPTOR mPpiList = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiPeiS3Resume2PpiGuid,
&mS3ResumePpi
};
-EFI_PEI_PPI_DESCRIPTOR mPpiListPostScriptTable = {
+EFI_PEI_PPI_DESCRIPTOR mPpiListPostScriptTable = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gPeiPostScriptTablePpiGuid,
0
};
-EFI_PEI_PPI_DESCRIPTOR mPpiListEndOfPeiTable = {
+EFI_PEI_PPI_DESCRIPTOR mPpiListEndOfPeiTable = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiEndOfPeiSignalPpiGuid,
0
};
-EFI_PEI_PPI_DESCRIPTOR mPpiListS3SmmInitDoneTable = {
+EFI_PEI_PPI_DESCRIPTOR mPpiListS3SmmInitDoneTable = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEdkiiS3SmmInitDoneGuid,
0
@@ -260,29 +261,46 @@ EFI_PEI_PPI_DESCRIPTOR mPpiListS3SmmInitDoneTable = {
//
// Global Descriptor Table (GDT)
//
-GLOBAL_REMOVE_IF_UNREFERENCED IA32_GDT mGdtEntries[] = {
-/* selector { Global Segment Descriptor } */
-/* 0x00 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
-/* 0x08 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
-/* 0x10 */ {{0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 0, 1, 1, 0}},
-/* 0x18 */ {{0xFFFF, 0, 0, 0x3, 1, 0, 1, 0xF, 0, 0, 1, 1, 0}},
-/* 0x20 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
-/* 0x28 */ {{0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 0, 0, 1, 0}},
-/* 0x30 */ {{0xFFFF, 0, 0, 0x3, 1, 0, 1, 0xF, 0, 0, 0, 1, 0}},
-/* 0x38 */ {{0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 1, 0, 1, 0}},
-/* 0x40 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
+GLOBAL_REMOVE_IF_UNREFERENCED IA32_GDT mGdtEntries[] = {
+ /* selector { Global Segment Descriptor } */
+ /* 0x00 */ {
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+ /* 0x08 */ {
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+ /* 0x10 */ {
+ { 0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 0, 1, 1, 0 }
+ },
+ /* 0x18 */ {
+ { 0xFFFF, 0, 0, 0x3, 1, 0, 1, 0xF, 0, 0, 1, 1, 0 }
+ },
+ /* 0x20 */ {
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+ /* 0x28 */ {
+ { 0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 0, 0, 1, 0 }
+ },
+ /* 0x30 */ {
+ { 0xFFFF, 0, 0, 0x3, 1, 0, 1, 0xF, 0, 0, 0, 1, 0 }
+ },
+ /* 0x38 */ {
+ { 0xFFFF, 0, 0, 0xB, 1, 0, 1, 0xF, 0, 1, 0, 1, 0 }
+ },
+ /* 0x40 */ {
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
};
-#define DATA_SEGEMENT_SELECTOR 0x18
+#define DATA_SEGEMENT_SELECTOR 0x18
//
// IA32 Gdt register
//
-GLOBAL_REMOVE_IF_UNREFERENCED CONST IA32_DESCRIPTOR mGdt = {
+GLOBAL_REMOVE_IF_UNREFERENCED CONST IA32_DESCRIPTOR mGdt = {
sizeof (mGdtEntries) - 1,
- (UINTN) mGdtEntries
- };
-
+ (UINTN)mGdtEntries
+};
/**
The function will check if current waking vector is long mode.
@@ -294,28 +312,32 @@ GLOBAL_REMOVE_IF_UNREFERENCED CONST IA32_DESCRIPTOR mGdt = {
**/
BOOLEAN
IsLongModeWakingVector (
- IN ACPI_S3_CONTEXT *AcpiS3Context
+ IN ACPI_S3_CONTEXT *AcpiS3Context
)
{
EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs;
- Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable));
+ Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *)((UINTN)(AcpiS3Context->AcpiFacsTable));
if ((Facs == NULL) ||
(Facs->Signature != EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||
- ((Facs->FirmwareWakingVector == 0) && (Facs->XFirmwareWakingVector == 0)) ) {
+ ((Facs->FirmwareWakingVector == 0) && (Facs->XFirmwareWakingVector == 0)))
+ {
// Something wrong with FACS
return FALSE;
}
+
if (Facs->XFirmwareWakingVector != 0) {
if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&
((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0) &&
- ((Facs->OspmFlags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {
+ ((Facs->OspmFlags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0))
+ {
// Both BIOS and OS wants 64bit vector
if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {
return TRUE;
}
}
}
+
return FALSE;
}
@@ -327,15 +349,15 @@ IsLongModeWakingVector (
**/
VOID
SignalToSmmByCommunication (
- IN EFI_GUID *HandlerType
+ IN EFI_GUID *HandlerType
)
{
- EFI_STATUS Status;
- EFI_PEI_SMM_COMMUNICATION_PPI *SmmCommunicationPpi;
- UINTN CommSize;
- SMM_COMMUNICATE_HEADER_32 Header32;
- SMM_COMMUNICATE_HEADER_64 Header64;
- VOID *CommBuffer;
+ EFI_STATUS Status;
+ EFI_PEI_SMM_COMMUNICATION_PPI *SmmCommunicationPpi;
+ UINTN CommSize;
+ SMM_COMMUNICATE_HEADER_32 Header32;
+ SMM_COMMUNICATE_HEADER_64 Header64;
+ VOID *CommBuffer;
DEBUG ((DEBUG_INFO, "Signal %g to SMM - Enter\n", HandlerType));
@@ -345,15 +367,16 @@ SignalToSmmByCommunication (
// if (sizeof(UINTN) == sizeof(UINT64), PEI already 64 bits, assume DXE also 64 bits.
// or (FeaturePcdGet (PcdDxeIplSwitchToLongMode)), DXE will switch to 64 bits.
//
- if ((sizeof(UINTN) == sizeof(UINT64)) || (FeaturePcdGet (PcdDxeIplSwitchToLongMode))) {
- CommBuffer = &Header64;
+ if ((sizeof (UINTN) == sizeof (UINT64)) || (FeaturePcdGet (PcdDxeIplSwitchToLongMode))) {
+ CommBuffer = &Header64;
Header64.MessageLength = 0;
- CommSize = OFFSET_OF (SMM_COMMUNICATE_HEADER_64, Data);
+ CommSize = OFFSET_OF (SMM_COMMUNICATE_HEADER_64, Data);
} else {
- CommBuffer = &Header32;
+ CommBuffer = &Header32;
Header32.MessageLength = 0;
- CommSize = OFFSET_OF (SMM_COMMUNICATE_HEADER_32, Data);
+ CommSize = OFFSET_OF (SMM_COMMUNICATE_HEADER_32, Data);
}
+
CopyGuid (CommBuffer, HandlerType);
Status = PeiServicesLocatePpi (
@@ -390,8 +413,8 @@ SignalToSmmByCommunication (
VOID
EFIAPI
S3ResumeBootOs (
- IN ACPI_S3_CONTEXT *AcpiS3Context,
- IN PEI_S3_RESUME_STATE *PeiS3ResumeState
+ IN ACPI_S3_CONTEXT *AcpiS3Context,
+ IN PEI_S3_RESUME_STATE *PeiS3ResumeState
)
{
EFI_STATUS Status;
@@ -436,11 +459,12 @@ S3ResumeBootOs (
//
// Get ACPI Table Address
//
- Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable));
+ Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *)((UINTN)(AcpiS3Context->AcpiFacsTable));
if ((Facs == NULL) ||
(Facs->Signature != EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||
- ((Facs->FirmwareWakingVector == 0) && (Facs->XFirmwareWakingVector == 0)) ) {
+ ((Facs->FirmwareWakingVector == 0) && (Facs->XFirmwareWakingVector == 0)))
+ {
//
// Report Status code that no valid vector is found
//
@@ -449,20 +473,20 @@ S3ResumeBootOs (
(EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)
);
CpuDeadLoop ();
- return ;
+ return;
}
//
// Install EndOfPeiPpi
//
- PERF_INMODULE_BEGIN("EndOfPeiPpi");
+ PERF_INMODULE_BEGIN ("EndOfPeiPpi");
Status = PeiServicesInstallPpi (&mPpiListEndOfPeiTable);
ASSERT_EFI_ERROR (Status);
- PERF_INMODULE_END("EndOfPeiPpi");
+ PERF_INMODULE_END ("EndOfPeiPpi");
- PERF_INMODULE_BEGIN("EndOfS3Resume");
+ PERF_INMODULE_BEGIN ("EndOfS3Resume");
DEBUG ((DEBUG_INFO, "Signal EndOfS3Resume\n"));
//
@@ -482,7 +506,7 @@ S3ResumeBootOs (
//
// Switch to native waking vector
//
- TempStackTop = (UINTN)&TempStack + sizeof(TempStack);
+ TempStackTop = (UINTN)&TempStack + sizeof (TempStack);
DEBUG ((
DEBUG_INFO,
"%a() Stack Base: 0x%x, Stack Size: 0x%x\n",
@@ -492,7 +516,8 @@ S3ResumeBootOs (
));
if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&
((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0) &&
- ((Facs->OspmFlags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {
+ ((Facs->OspmFlags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0))
+ {
//
// X64 long mode waking vector
//
@@ -513,10 +538,10 @@ S3ResumeBootOs (
EFI_ERROR_CODE | EFI_ERROR_MAJOR,
(EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)
);
- DEBUG (( DEBUG_ERROR, "Unsupported for 32bit DXE transfer to 64bit OS waking vector!\r\n"));
+ DEBUG ((DEBUG_ERROR, "Unsupported for 32bit DXE transfer to 64bit OS waking vector!\r\n"));
ASSERT (FALSE);
CpuDeadLoop ();
- return ;
+ return;
}
} else {
//
@@ -524,7 +549,7 @@ S3ResumeBootOs (
//
DEBUG ((DEBUG_INFO, "Transfer to 32bit OS waking vector - %x\r\n", (UINTN)Facs->XFirmwareWakingVector));
SwitchStack (
- (SWITCH_STACK_ENTRY_POINT) (UINTN) Facs->XFirmwareWakingVector,
+ (SWITCH_STACK_ENTRY_POINT)(UINTN)Facs->XFirmwareWakingVector,
NULL,
NULL,
(VOID *)(UINTN)TempStackTop
@@ -549,7 +574,7 @@ S3ResumeBootOs (
//
// Never run to here
//
- CpuDeadLoop();
+ CpuDeadLoop ();
}
/**
@@ -561,28 +586,28 @@ S3ResumeBootOs (
**/
VOID
RestoreS3PageTables (
- IN UINTN S3NvsPageTableAddress,
- IN BOOLEAN Build4GPageTableOnly
+ IN UINTN S3NvsPageTableAddress,
+ IN BOOLEAN Build4GPageTableOnly
)
{
if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {
- UINT32 RegEax;
- UINT32 RegEdx;
- UINT8 PhysicalAddressBits;
- EFI_PHYSICAL_ADDRESS PageAddress;
- UINTN IndexOfPml4Entries;
- UINTN IndexOfPdpEntries;
- UINTN IndexOfPageDirectoryEntries;
- UINT32 NumberOfPml4EntriesNeeded;
- UINT32 NumberOfPdpEntriesNeeded;
- PAGE_MAP_AND_DIRECTORY_POINTER *PageMapLevel4Entry;
- PAGE_MAP_AND_DIRECTORY_POINTER *PageMap;
- PAGE_MAP_AND_DIRECTORY_POINTER *PageDirectoryPointerEntry;
- PAGE_TABLE_ENTRY *PageDirectoryEntry;
- VOID *Hob;
- BOOLEAN Page1GSupport;
- PAGE_TABLE_1G_ENTRY *PageDirectory1GEntry;
- UINT64 AddressEncMask;
+ UINT32 RegEax;
+ UINT32 RegEdx;
+ UINT8 PhysicalAddressBits;
+ EFI_PHYSICAL_ADDRESS PageAddress;
+ UINTN IndexOfPml4Entries;
+ UINTN IndexOfPdpEntries;
+ UINTN IndexOfPageDirectoryEntries;
+ UINT32 NumberOfPml4EntriesNeeded;
+ UINT32 NumberOfPdpEntriesNeeded;
+ PAGE_MAP_AND_DIRECTORY_POINTER *PageMapLevel4Entry;
+ PAGE_MAP_AND_DIRECTORY_POINTER *PageMap;
+ PAGE_MAP_AND_DIRECTORY_POINTER *PageDirectoryPointerEntry;
+ PAGE_TABLE_ENTRY *PageDirectoryEntry;
+ VOID *Hob;
+ BOOLEAN Page1GSupport;
+ PAGE_TABLE_1G_ENTRY *PageDirectory1GEntry;
+ UINT64 AddressEncMask;
//
// Make sure AddressEncMask is contained to smallest supported address field
@@ -600,11 +625,11 @@ RestoreS3PageTables (
//
// By architecture only one PageMapLevel4 exists - so lets allocate storage for it.
//
- PageMap = (PAGE_MAP_AND_DIRECTORY_POINTER *)S3NvsPageTableAddress;
+ PageMap = (PAGE_MAP_AND_DIRECTORY_POINTER *)S3NvsPageTableAddress;
S3NvsPageTableAddress += SIZE_4KB;
Page1GSupport = FALSE;
- if (PcdGetBool(PcdUse1GPageTable)) {
+ if (PcdGetBool (PcdUse1GPageTable)) {
AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
if (RegEax >= 0x80000001) {
AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);
@@ -619,12 +644,12 @@ RestoreS3PageTables (
//
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;
}
@@ -644,17 +669,18 @@ RestoreS3PageTables (
//
if (Build4GPageTableOnly) {
PhysicalAddressBits = 32;
- ZeroMem (PageMap, EFI_PAGES_TO_SIZE(2));
+ ZeroMem (PageMap, EFI_PAGES_TO_SIZE (2));
}
+
//
// Calculate the table entries needed.
//
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;
}
PageMapLevel4Entry = PageMap;
@@ -665,26 +691,26 @@ RestoreS3PageTables (
// So lets allocate space for them and fill them in in the IndexOfPdpEntries loop.
//
PageDirectoryPointerEntry = (PAGE_MAP_AND_DIRECTORY_POINTER *)S3NvsPageTableAddress;
- S3NvsPageTableAddress += SIZE_4KB;
+ S3NvsPageTableAddress += SIZE_4KB;
//
// Make a PML4 Entry
//
- PageMapLevel4Entry->Uint64 = (UINT64)(UINTN)PageDirectoryPointerEntry | AddressEncMask;
+ PageMapLevel4Entry->Uint64 = (UINT64)(UINTN)PageDirectoryPointerEntry | AddressEncMask;
PageMapLevel4Entry->Bits.ReadWrite = 1;
- PageMapLevel4Entry->Bits.Present = 1;
+ PageMapLevel4Entry->Bits.Present = 1;
if (Page1GSupport) {
- PageDirectory1GEntry = (VOID *) PageDirectoryPointerEntry;
+ PageDirectory1GEntry = (VOID *)PageDirectoryPointerEntry;
for (IndexOfPageDirectoryEntries = 0; IndexOfPageDirectoryEntries < 512; IndexOfPageDirectoryEntries++, PageDirectory1GEntry++, PageAddress += SIZE_1GB) {
//
// Fill in the Page Directory entries
//
- PageDirectory1GEntry->Uint64 = (UINT64)PageAddress | AddressEncMask;
+ PageDirectory1GEntry->Uint64 = (UINT64)PageAddress | AddressEncMask;
PageDirectory1GEntry->Bits.ReadWrite = 1;
- PageDirectory1GEntry->Bits.Present = 1;
- PageDirectory1GEntry->Bits.MustBe1 = 1;
+ PageDirectory1GEntry->Bits.Present = 1;
+ PageDirectory1GEntry->Bits.MustBe1 = 1;
}
} else {
for (IndexOfPdpEntries = 0; IndexOfPdpEntries < NumberOfPdpEntriesNeeded; IndexOfPdpEntries++, PageDirectoryPointerEntry++) {
@@ -692,34 +718,35 @@ RestoreS3PageTables (
// 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 *)S3NvsPageTableAddress;
+ PageDirectoryEntry = (PAGE_TABLE_ENTRY *)S3NvsPageTableAddress;
S3NvsPageTableAddress += SIZE_4KB;
//
// Fill in a Page Directory Pointer Entries
//
- PageDirectoryPointerEntry->Uint64 = (UINT64)(UINTN)PageDirectoryEntry | AddressEncMask;
+ PageDirectoryPointerEntry->Uint64 = (UINT64)(UINTN)PageDirectoryEntry | AddressEncMask;
PageDirectoryPointerEntry->Bits.ReadWrite = 1;
- PageDirectoryPointerEntry->Bits.Present = 1;
+ PageDirectoryPointerEntry->Bits.Present = 1;
for (IndexOfPageDirectoryEntries = 0; IndexOfPageDirectoryEntries < 512; IndexOfPageDirectoryEntries++, PageDirectoryEntry++, PageAddress += SIZE_2MB) {
//
// Fill in the Page Directory entries
//
- PageDirectoryEntry->Uint64 = (UINT64)PageAddress | AddressEncMask;
+ PageDirectoryEntry->Uint64 = (UINT64)PageAddress | AddressEncMask;
PageDirectoryEntry->Bits.ReadWrite = 1;
- PageDirectoryEntry->Bits.Present = 1;
- PageDirectoryEntry->Bits.MustBe1 = 1;
+ PageDirectoryEntry->Bits.Present = 1;
+ PageDirectoryEntry->Bits.MustBe1 = 1;
}
}
}
}
- return ;
+
+ return;
} else {
//
// If DXE is running 32-bit mode, no need to establish page table.
//
- return ;
+ return;
}
}
@@ -739,12 +766,12 @@ S3ResumeExecuteBootScript (
IN BOOT_SCRIPT_EXECUTOR_VARIABLE *EfiBootScriptExecutorVariable
)
{
- EFI_STATUS Status;
- PEI_SMM_ACCESS_PPI *SmmAccess;
- UINTN Index;
- VOID *GuidHob;
- PEI_S3_RESUME_STATE *PeiS3ResumeState;
- BOOLEAN InterruptStatus;
+ EFI_STATUS Status;
+ PEI_SMM_ACCESS_PPI *SmmAccess;
+ UINTN Index;
+ VOID *GuidHob;
+ PEI_S3_RESUME_STATE *PeiS3ResumeState;
+ BOOLEAN InterruptStatus;
DEBUG ((DEBUG_INFO, "S3ResumeExecuteBootScript()\n"));
@@ -767,11 +794,11 @@ S3ResumeExecuteBootScript (
SendSmiIpi (GetApicId ());
Status = PeiServicesLocatePpi (
- &gPeiSmmAccessPpiGuid,
- 0,
- NULL,
- (VOID **) &SmmAccess
- );
+ &gPeiSmmAccessPpiGuid,
+ 0,
+ NULL,
+ (VOID **)&SmmAccess
+ );
if (!EFI_ERROR (Status)) {
DEBUG ((DEBUG_INFO, "Close all SMRAM regions before executing boot script\n"));
@@ -819,7 +846,7 @@ S3ResumeExecuteBootScript (
//
// Prepare data for return back
//
- PeiS3ResumeState = AllocatePool (sizeof(*PeiS3ResumeState));
+ PeiS3ResumeState = AllocatePool (sizeof (*PeiS3ResumeState));
if (PeiS3ResumeState == NULL) {
REPORT_STATUS_CODE (
EFI_ERROR_CODE | EFI_ERROR_MAJOR,
@@ -827,6 +854,7 @@ S3ResumeExecuteBootScript (
);
ASSERT (FALSE);
}
+
DEBUG ((DEBUG_INFO, "PeiS3ResumeState - %x\r\n", PeiS3ResumeState));
PeiS3ResumeState->ReturnCs = 0x10;
PeiS3ResumeState->ReturnEntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)S3ResumeBootOs;
@@ -865,7 +893,7 @@ S3ResumeExecuteBootScript (
//
DEBUG ((DEBUG_INFO, "transfer control to Standalone Boot Script Executor\r\n"));
SwitchStack (
- (SWITCH_STACK_ENTRY_POINT) (UINTN) EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint,
+ (SWITCH_STACK_ENTRY_POINT)(UINTN)EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint,
(VOID *)AcpiS3Context,
(VOID *)PeiS3ResumeState,
(VOID *)(UINTN)(AcpiS3Context->BootScriptStackBase + AcpiS3Context->BootScriptStackSize)
@@ -875,8 +903,9 @@ S3ResumeExecuteBootScript (
//
// Never run to here
//
- CpuDeadLoop();
+ CpuDeadLoop ();
}
+
/**
Restores the platform to its preboot configuration for an S3 resume and
jumps to the OS waking vector.
@@ -914,32 +943,32 @@ S3RestoreConfig2 (
IN EFI_PEI_S3_RESUME2_PPI *This
)
{
- EFI_STATUS Status;
- PEI_SMM_ACCESS_PPI *SmmAccess;
- UINTN Index;
- ACPI_S3_CONTEXT *AcpiS3Context;
- EFI_PHYSICAL_ADDRESS TempEfiBootScriptExecutorVariable;
- EFI_PHYSICAL_ADDRESS TempAcpiS3Context;
- BOOT_SCRIPT_EXECUTOR_VARIABLE *EfiBootScriptExecutorVariable;
- UINTN VarSize;
- EFI_SMRAM_DESCRIPTOR *SmramDescriptor;
- SMM_S3_RESUME_STATE *SmmS3ResumeState;
- VOID *GuidHob;
- BOOLEAN Build4GPageTableOnly;
- BOOLEAN InterruptStatus;
- IA32_CR0 Cr0;
-
- TempAcpiS3Context = 0;
+ EFI_STATUS Status;
+ PEI_SMM_ACCESS_PPI *SmmAccess;
+ UINTN Index;
+ ACPI_S3_CONTEXT *AcpiS3Context;
+ EFI_PHYSICAL_ADDRESS TempEfiBootScriptExecutorVariable;
+ EFI_PHYSICAL_ADDRESS TempAcpiS3Context;
+ BOOT_SCRIPT_EXECUTOR_VARIABLE *EfiBootScriptExecutorVariable;
+ UINTN VarSize;
+ EFI_SMRAM_DESCRIPTOR *SmramDescriptor;
+ SMM_S3_RESUME_STATE *SmmS3ResumeState;
+ VOID *GuidHob;
+ BOOLEAN Build4GPageTableOnly;
+ BOOLEAN InterruptStatus;
+ IA32_CR0 Cr0;
+
+ TempAcpiS3Context = 0;
TempEfiBootScriptExecutorVariable = 0;
DEBUG ((DEBUG_INFO, "Enter S3 PEIM\r\n"));
VarSize = sizeof (EFI_PHYSICAL_ADDRESS);
- Status = RestoreLockBox (
- &gEfiAcpiVariableGuid,
- &TempAcpiS3Context,
- &VarSize
- );
+ Status = RestoreLockBox (
+ &gEfiAcpiVariableGuid,
+ &TempAcpiS3Context,
+ &VarSize
+ );
ASSERT_EFI_ERROR (Status);
Status = RestoreLockBox (
@@ -952,12 +981,12 @@ S3RestoreConfig2 (
AcpiS3Context = (ACPI_S3_CONTEXT *)(UINTN)TempAcpiS3Context;
ASSERT (AcpiS3Context != NULL);
- VarSize = sizeof (EFI_PHYSICAL_ADDRESS);
- Status = RestoreLockBox (
- &gEfiBootScriptExecutorVariableGuid,
- &TempEfiBootScriptExecutorVariable,
- &VarSize
- );
+ VarSize = sizeof (EFI_PHYSICAL_ADDRESS);
+ Status = RestoreLockBox (
+ &gEfiBootScriptExecutorVariableGuid,
+ &TempEfiBootScriptExecutorVariable,
+ &VarSize
+ );
ASSERT_EFI_ERROR (Status);
Status = RestoreLockBox (
@@ -967,18 +996,18 @@ S3RestoreConfig2 (
);
ASSERT_EFI_ERROR (Status);
- EfiBootScriptExecutorVariable = (BOOT_SCRIPT_EXECUTOR_VARIABLE *) (UINTN) TempEfiBootScriptExecutorVariable;
+ EfiBootScriptExecutorVariable = (BOOT_SCRIPT_EXECUTOR_VARIABLE *)(UINTN)TempEfiBootScriptExecutorVariable;
ASSERT (EfiBootScriptExecutorVariable != NULL);
- DEBUG (( DEBUG_INFO, "AcpiS3Context = %x\n", AcpiS3Context));
- DEBUG (( DEBUG_INFO, "Waking Vector = %x\n", ((EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable)))->FirmwareWakingVector));
- DEBUG (( DEBUG_INFO, "AcpiS3Context->AcpiFacsTable = %x\n", AcpiS3Context->AcpiFacsTable));
- DEBUG (( DEBUG_INFO, "AcpiS3Context->IdtrProfile = %x\n", AcpiS3Context->IdtrProfile));
- DEBUG (( DEBUG_INFO, "AcpiS3Context->S3NvsPageTableAddress = %x\n", AcpiS3Context->S3NvsPageTableAddress));
- DEBUG (( DEBUG_INFO, "AcpiS3Context->S3DebugBufferAddress = %x\n", AcpiS3Context->S3DebugBufferAddress));
- DEBUG (( DEBUG_INFO, "AcpiS3Context->BootScriptStackBase = %x\n", AcpiS3Context->BootScriptStackBase));
- DEBUG (( DEBUG_INFO, "AcpiS3Context->BootScriptStackSize = %x\n", AcpiS3Context->BootScriptStackSize));
- DEBUG (( DEBUG_INFO, "EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint = %x\n", EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context = %x\n", AcpiS3Context));
+ DEBUG ((DEBUG_INFO, "Waking Vector = %x\n", ((EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *)((UINTN)(AcpiS3Context->AcpiFacsTable)))->FirmwareWakingVector));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context->AcpiFacsTable = %x\n", AcpiS3Context->AcpiFacsTable));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context->IdtrProfile = %x\n", AcpiS3Context->IdtrProfile));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context->S3NvsPageTableAddress = %x\n", AcpiS3Context->S3NvsPageTableAddress));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context->S3DebugBufferAddress = %x\n", AcpiS3Context->S3DebugBufferAddress));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context->BootScriptStackBase = %x\n", AcpiS3Context->BootScriptStackBase));
+ DEBUG ((DEBUG_INFO, "AcpiS3Context->BootScriptStackSize = %x\n", AcpiS3Context->BootScriptStackSize));
+ DEBUG ((DEBUG_INFO, "EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint = %x\n", EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint));
//
// Additional step for BootScript integrity - we only handle BootScript and BootScriptExecutor.
@@ -1001,6 +1030,7 @@ S3RestoreConfig2 (
} else {
Build4GPageTableOnly = TRUE;
}
+
RestoreS3PageTables ((UINTN)AcpiS3Context->S3NvsPageTableAddress, Build4GPageTableOnly);
}
@@ -1014,19 +1044,19 @@ S3RestoreConfig2 (
// assumption that it's in 32 bits mode now.
// Add ASSERT code to indicate this assumption.
//
- ASSERT(sizeof (UINTN) == sizeof (UINT32));
+ ASSERT (sizeof (UINTN) == sizeof (UINT32));
Status = PeiServicesLocatePpi (
- &gPeiSmmAccessPpiGuid,
- 0,
- NULL,
- (VOID **) &SmmAccess
- );
+ &gPeiSmmAccessPpiGuid,
+ 0,
+ NULL,
+ (VOID **)&SmmAccess
+ );
for (Index = 0; !EFI_ERROR (Status); Index++) {
Status = SmmAccess->Open ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, Index);
}
- SmramDescriptor = (EFI_SMRAM_DESCRIPTOR *) GET_GUID_HOB_DATA (GuidHob);
+ SmramDescriptor = (EFI_SMRAM_DESCRIPTOR *)GET_GUID_HOB_DATA (GuidHob);
SmmS3ResumeState = (SMM_S3_RESUME_STATE *)(UINTN)SmramDescriptor->CpuStart;
SmmS3ResumeState->ReturnCs = AsmReadCs ();
@@ -1035,19 +1065,19 @@ S3RestoreConfig2 (
SmmS3ResumeState->ReturnContext2 = (EFI_PHYSICAL_ADDRESS)(UINTN)EfiBootScriptExecutorVariable;
SmmS3ResumeState->ReturnStackPointer = (EFI_PHYSICAL_ADDRESS)STACK_ALIGN_DOWN (&Status);
- DEBUG (( DEBUG_INFO, "SMM S3 Signature = %x\n", SmmS3ResumeState->Signature));
- DEBUG (( DEBUG_INFO, "SMM S3 Stack Base = %x\n", SmmS3ResumeState->SmmS3StackBase));
- DEBUG (( DEBUG_INFO, "SMM S3 Stack Size = %x\n", SmmS3ResumeState->SmmS3StackSize));
- DEBUG (( DEBUG_INFO, "SMM S3 Resume Entry Point = %x\n", SmmS3ResumeState->SmmS3ResumeEntryPoint));
- DEBUG (( DEBUG_INFO, "SMM S3 CR0 = %x\n", SmmS3ResumeState->SmmS3Cr0));
- DEBUG (( DEBUG_INFO, "SMM S3 CR3 = %x\n", SmmS3ResumeState->SmmS3Cr3));
- DEBUG (( DEBUG_INFO, "SMM S3 CR4 = %x\n", SmmS3ResumeState->SmmS3Cr4));
- DEBUG (( DEBUG_INFO, "SMM S3 Return CS = %x\n", SmmS3ResumeState->ReturnCs));
- DEBUG (( DEBUG_INFO, "SMM S3 Return Entry Point = %x\n", SmmS3ResumeState->ReturnEntryPoint));
- DEBUG (( DEBUG_INFO, "SMM S3 Return Context1 = %x\n", SmmS3ResumeState->ReturnContext1));
- DEBUG (( DEBUG_INFO, "SMM S3 Return Context2 = %x\n", SmmS3ResumeState->ReturnContext2));
- DEBUG (( DEBUG_INFO, "SMM S3 Return Stack Pointer = %x\n", SmmS3ResumeState->ReturnStackPointer));
- DEBUG (( DEBUG_INFO, "SMM S3 Smst = %x\n", SmmS3ResumeState->Smst));
+ DEBUG ((DEBUG_INFO, "SMM S3 Signature = %x\n", SmmS3ResumeState->Signature));
+ DEBUG ((DEBUG_INFO, "SMM S3 Stack Base = %x\n", SmmS3ResumeState->SmmS3StackBase));
+ DEBUG ((DEBUG_INFO, "SMM S3 Stack Size = %x\n", SmmS3ResumeState->SmmS3StackSize));
+ DEBUG ((DEBUG_INFO, "SMM S3 Resume Entry Point = %x\n", SmmS3ResumeState->SmmS3ResumeEntryPoint));
+ DEBUG ((DEBUG_INFO, "SMM S3 CR0 = %x\n", SmmS3ResumeState->SmmS3Cr0));
+ DEBUG ((DEBUG_INFO, "SMM S3 CR3 = %x\n", SmmS3ResumeState->SmmS3Cr3));
+ DEBUG ((DEBUG_INFO, "SMM S3 CR4 = %x\n", SmmS3ResumeState->SmmS3Cr4));
+ DEBUG ((DEBUG_INFO, "SMM S3 Return CS = %x\n", SmmS3ResumeState->ReturnCs));
+ DEBUG ((DEBUG_INFO, "SMM S3 Return Entry Point = %x\n", SmmS3ResumeState->ReturnEntryPoint));
+ DEBUG ((DEBUG_INFO, "SMM S3 Return Context1 = %x\n", SmmS3ResumeState->ReturnContext1));
+ DEBUG ((DEBUG_INFO, "SMM S3 Return Context2 = %x\n", SmmS3ResumeState->ReturnContext2));
+ DEBUG ((DEBUG_INFO, "SMM S3 Return Stack Pointer = %x\n", SmmS3ResumeState->ReturnStackPointer));
+ DEBUG ((DEBUG_INFO, "SMM S3 Smst = %x\n", SmmS3ResumeState->Smst));
if (SmmS3ResumeState->Signature == SMM_S3_RESUME_SMM_32) {
SwitchStack (
@@ -1057,6 +1087,7 @@ S3RestoreConfig2 (
(VOID *)(UINTN)(SmmS3ResumeState->SmmS3StackBase + SmmS3ResumeState->SmmS3StackSize)
);
}
+
if (SmmS3ResumeState->Signature == SMM_S3_RESUME_SMM_64) {
//
// Switch to long mode to complete resume.
@@ -1085,6 +1116,7 @@ S3RestoreConfig2 (
Cr0.Bits.PG = 0;
AsmWriteCr0 (Cr0.UintN);
}
+
AsmWriteCr3 ((UINTN)SmmS3ResumeState->SmmS3Cr3);
//
@@ -1102,12 +1134,12 @@ S3RestoreConfig2 (
SmmS3ResumeState->SmmS3StackBase + SmmS3ResumeState->SmmS3StackSize
);
}
-
}
- S3ResumeExecuteBootScript (AcpiS3Context, EfiBootScriptExecutorVariable );
+ S3ResumeExecuteBootScript (AcpiS3Context, EfiBootScriptExecutorVariable);
return EFI_SUCCESS;
}
+
/**
Main entry for S3 Resume PEIM.
@@ -1122,8 +1154,8 @@ S3RestoreConfig2 (
EFI_STATUS
EFIAPI
PeimS3ResumeEntryPoint (
- IN EFI_PEI_FILE_HANDLE FileHandle,
- IN CONST EFI_PEI_SERVICES **PeiServices
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ IN CONST EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-05 20:46:20 +0000