This module will excute the boot script saved during last boot and after that,\r
control is passed to OS waking up handler.\r
\r
- Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions\r
#include <Library/LockBoxLib.h>\r
#include <IndustryStandard/Acpi.h>\r
\r
+/**\r
+ This macro aligns the address of a variable with auto storage\r
+ duration down to CPU_STACK_ALIGNMENT.\r
+\r
+ Since the stack grows downward, the result preserves more of the\r
+ stack than the original address (or the same amount), not less.\r
+**/\r
+#define STACK_ALIGN_DOWN(Ptr) \\r
+ ((UINTN)(Ptr) & ~(UINTN)(CPU_STACK_ALIGNMENT - 1))\r
+\r
#pragma pack(1)\r
typedef union {\r
struct {\r
IN EFI_PEI_S3_RESUME2_PPI *This\r
);\r
\r
+/**\r
+ Set data segment selectors value including DS/ES/FS/GS/SS.\r
+\r
+ @param[in] SelectorValue Segment selector value to be set.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+AsmSetDataSelectors (\r
+ IN UINT16 SelectorValue\r
+ );\r
+\r
//\r
// Globals\r
//\r
/* 0x40 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},\r
};\r
\r
+#define DATA_SEGEMENT_SELECTOR 0x18\r
+\r
//\r
// IA32 Gdt register\r
//\r
AsciiSPrint (PerfData->Token, PERF_TOKEN_LENGTH, "0x%11p", Handle);\r
} else {\r
AsciiStrnCpy (PerfData->Token, Token, PERF_TOKEN_LENGTH);\r
+ PerfData->Token[PERF_TOKEN_LENGTH] = '\0';\r
}\r
if (StartTicker == 1) {\r
StartTicker = StartValue;\r
//\r
AsmWriteIdtr (&PeiS3ResumeState->Idtr);\r
\r
+ if (PeiS3ResumeState->ReturnStatus != EFI_SUCCESS) {\r
+ //\r
+ // Report Status code that boot script execution is failed\r
+ //\r
+ REPORT_STATUS_CODE (\r
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,\r
+ (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_BOOT_SCRIPT_ERROR)\r
+ );\r
+ }\r
+\r
+ //\r
+ // NOTE: Because Debug Timer interrupt and system interrupts will be disabled \r
+ // in BootScriptExecuteDxe, the rest code in S3ResumeBootOs() cannot be halted\r
+ // by soft debugger.\r
+ //\r
+\r
PERF_END (NULL, "ScriptExec", NULL, 0);\r
\r
//\r
if ((Facs == NULL) ||\r
(Facs->Signature != EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r
((Facs->FirmwareWakingVector == 0) && (Facs->XFirmwareWakingVector == 0)) ) {\r
+ //\r
+ // Report Status code that no valid vector is found\r
+ //\r
+ REPORT_STATUS_CODE (\r
+ EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r
+ (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)\r
+ );\r
CpuDeadLoop ();\r
return ;\r
}\r
(UINT64)(UINTN)TempStackTop\r
);\r
} else {\r
+ //\r
+ // Report Status code that no valid waking vector is found\r
+ //\r
+ REPORT_STATUS_CODE (\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
ASSERT (FALSE);\r
+ CpuDeadLoop ();\r
+ return ;\r
}\r
} else {\r
//\r
AsmTransferControl (Facs->FirmwareWakingVector, 0x0);\r
}\r
\r
+ //\r
+ // Report Status code the failure of S3Resume\r
+ //\r
+ REPORT_STATUS_CODE (\r
+ EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r
+ (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_OS_WAKE_ERROR)\r
+ );\r
+\r
//\r
// Never run to here\r
//\r
IA32_DESCRIPTOR *IdtDescriptor;\r
VOID *IdtBuffer;\r
PEI_S3_RESUME_STATE *PeiS3ResumeState;\r
+ BOOLEAN InterruptStatus;\r
\r
DEBUG ((EFI_D_ERROR, "S3ResumeExecuteBootScript()\n"));\r
\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
//\r
AsmWriteGdtr (&mGdt);\r
+ //\r
+ // update segment selectors per the new GDT.\r
+ //\r
+ AsmSetDataSelectors (DATA_SEGEMENT_SELECTOR);\r
+ //\r
+ // Restore interrupt state.\r
+ //\r
+ SetInterruptState (InterruptStatus);\r
\r
//\r
// Prepare data for return back\r
DEBUG (( EFI_D_ERROR, "PeiS3ResumeState - %x\r\n", PeiS3ResumeState));\r
PeiS3ResumeState->ReturnCs = 0x10;\r
PeiS3ResumeState->ReturnEntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)S3ResumeBootOs;\r
- PeiS3ResumeState->ReturnStackPointer = (EFI_PHYSICAL_ADDRESS)(UINTN)&Status;\r
+ PeiS3ResumeState->ReturnStackPointer = (EFI_PHYSICAL_ADDRESS)STACK_ALIGN_DOWN (&Status);\r
//\r
// Save IDT\r
//\r
AsmReadIdtr (&PeiS3ResumeState->Idtr);\r
+ \r
+ //\r
+ // Report Status Code to indicate S3 boot script execution\r
+ //\r
+ REPORT_STATUS_CODE (EFI_PROGRESS_CODE, EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_S3_BOOT_SCRIPT);\r
\r
PERF_START (NULL, "ScriptExec", NULL, 0);\r
\r
SMM_S3_RESUME_STATE *SmmS3ResumeState;\r
VOID *GuidHob;\r
BOOLEAN Build4GPageTableOnly;\r
+ BOOLEAN InterruptStatus;\r
\r
TempAcpiS3Context = 0;\r
TempEfiBootScriptExecutorVariable = 0;\r
DEBUG (( EFI_D_ERROR, "AcpiS3Context = %x\n", AcpiS3Context));\r
DEBUG (( EFI_D_ERROR, "Waking Vector = %x\n", ((EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable)))->FirmwareWakingVector));\r
DEBUG (( EFI_D_ERROR, "AcpiS3Context->AcpiFacsTable = %x\n", AcpiS3Context->AcpiFacsTable));\r
+ DEBUG (( EFI_D_ERROR, "AcpiS3Context->IdtrProfile = %x\n", AcpiS3Context->IdtrProfile)); \r
DEBUG (( EFI_D_ERROR, "AcpiS3Context->S3NvsPageTableAddress = %x\n", AcpiS3Context->S3NvsPageTableAddress));\r
DEBUG (( EFI_D_ERROR, "AcpiS3Context->S3DebugBufferAddress = %x\n", AcpiS3Context->S3DebugBufferAddress));\r
+ DEBUG (( EFI_D_ERROR, "AcpiS3Context->BootScriptStackBase = %x\n", AcpiS3Context->BootScriptStackBase));\r
+ DEBUG (( EFI_D_ERROR, "AcpiS3Context->BootScriptStackSize = %x\n", AcpiS3Context->BootScriptStackSize));\r
DEBUG (( EFI_D_ERROR, "EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint = %x\n", EfiBootScriptExecutorVariable->BootScriptExecutorEntrypoint));\r
\r
//\r
SmmS3ResumeState->ReturnEntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)S3ResumeExecuteBootScript;\r
SmmS3ResumeState->ReturnContext1 = (EFI_PHYSICAL_ADDRESS)(UINTN)AcpiS3Context;\r
SmmS3ResumeState->ReturnContext2 = (EFI_PHYSICAL_ADDRESS)(UINTN)EfiBootScriptExecutorVariable;\r
- SmmS3ResumeState->ReturnStackPointer = (EFI_PHYSICAL_ADDRESS)(UINTN)&Status;\r
+ SmmS3ResumeState->ReturnStackPointer = (EFI_PHYSICAL_ADDRESS)STACK_ALIGN_DOWN (&Status);\r
\r
DEBUG (( EFI_D_ERROR, "SMM S3 Signature = %x\n", SmmS3ResumeState->Signature));\r
DEBUG (( EFI_D_ERROR, "SMM S3 Stack Base = %x\n", SmmS3ResumeState->SmmS3StackBase));\r
DEBUG (( EFI_D_ERROR, "SMM S3 Return Stack Pointer = %x\n", SmmS3ResumeState->ReturnStackPointer));\r
DEBUG (( EFI_D_ERROR, "SMM S3 Smst = %x\n", SmmS3ResumeState->Smst));\r
\r
- //\r
- // Disable interrupt of Debug timer.\r
- //\r
- SaveAndSetDebugTimerInterrupt (FALSE);\r
-\r
if (SmmS3ResumeState->Signature == SMM_S3_RESUME_SMM_32) {\r
SwitchStack (\r
(SWITCH_STACK_ENTRY_POINT)(UINTN)SmmS3ResumeState->SmmS3ResumeEntryPoint,\r
// Switch to long mode to complete resume.\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
//\r
AsmWriteGdtr (&mGdt);\r
+ //\r
+ // update segment selectors per the new GDT.\r
+ // \r
+ AsmSetDataSelectors (DATA_SEGEMENT_SELECTOR);\r
+ //\r
+ // Restore interrupt state.\r
+ //\r
+ SetInterruptState (InterruptStatus);\r
+\r
AsmWriteCr3 ((UINTN)SmmS3ResumeState->SmmS3Cr3);\r
+\r
+ //\r
+ // Disable interrupt of Debug timer, since IDT table cannot work in long mode.\r
+ // NOTE: On x64 platforms, because DisablePaging64() will disable interrupts,\r
+ // the code in S3ResumeExecuteBootScript() cannot be halted by soft debugger.\r
+ //\r
+ SaveAndSetDebugTimerInterrupt (FALSE);\r
+\r
AsmEnablePaging64 (\r
0x38,\r
SmmS3ResumeState->SmmS3ResumeEntryPoint,\r
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