This driver is dispatched by Dxe core and the driver will reload itself to ACPI NVS memory\r
in the entry point. The functionality is to interpret and restore the S3 boot script\r
\r
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2012, 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 of the BSD License\r
\r
#include "ScriptExecute.h"\r
\r
-EFI_PHYSICAL_ADDRESS mPerfDataMemAddress;\r
-UINT64 mS3BootScriptEntryTick;\r
-UINT64 mScriptStartTick;\r
-UINT64 mScriptEndTick;\r
-\r
EFI_GUID mBootScriptExecutorImageGuid = {\r
- 0x9a8d3433, 0x9fe8, 0x42b6, 0x87, 0xb, 0x1e, 0x31, 0xc8, 0x4e, 0xbe, 0x3b\r
+ 0x9a8d3433, 0x9fe8, 0x42b6, { 0x87, 0xb, 0x1e, 0x31, 0xc8, 0x4e, 0xbe, 0x3b }\r
};\r
\r
-/**\r
- The event callback is used to get the base address of boot performance data structure on\r
- LegacyBoot event and ExitBootServices event.\r
-\r
- @param Event The event handle.\r
- @param Context The event context.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-OnBootEvent (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINTN VarSize;\r
-\r
- VarSize = sizeof (EFI_PHYSICAL_ADDRESS);\r
- Status = gRT->GetVariable (\r
- L"PerfDataMemAddr",\r
- &gPerformanceProtocolGuid,\r
- NULL,\r
- &VarSize,\r
- &mPerfDataMemAddress\r
- );\r
- if (EFI_ERROR (Status)) {\r
- mPerfDataMemAddress = 0;\r
- }\r
-}\r
-\r
-/**\r
- Record S3 Script execution time and adjust total S3 resume time for script running.\r
-**/\r
-VOID\r
-WriteToOsS3PerformanceData (\r
- VOID\r
- )\r
-{\r
- UINT64 Ticker;\r
- UINT64 StartValue;\r
- UINT64 EndValue;\r
- UINT64 Freq;\r
- UINT64 ScriptExecuteTicks;\r
- PERF_HEADER *PerfHeader;\r
- PERF_DATA *PerfData;\r
-\r
- Ticker = GetPerformanceCounter ();\r
-\r
- PerfHeader = (PERF_HEADER *)(UINTN)mPerfDataMemAddress;\r
- if (PerfHeader == NULL) {\r
- return;\r
- }\r
-\r
- Freq = GetPerformanceCounterProperties (&StartValue, &EndValue);\r
- Freq = DivU64x32 (Freq, 1000);\r
-\r
- if (EndValue >= StartValue) {\r
- ScriptExecuteTicks = mScriptEndTick - mScriptStartTick;\r
- PerfHeader->S3Resume += Ticker - mS3BootScriptEntryTick;\r
- } else {\r
- ScriptExecuteTicks = mScriptStartTick - mScriptEndTick;\r
- PerfHeader->S3Resume += mS3BootScriptEntryTick - Ticker;\r
- }\r
- if (PerfHeader->S3EntryNum < PERF_PEI_ENTRY_MAX_NUM) {\r
- PerfData = &PerfHeader->S3Entry[PerfHeader->S3EntryNum];\r
- PerfData->Duration = (UINT32) DivU64x32 (ScriptExecuteTicks, (UINT32) Freq);;\r
- AsciiStrnCpy (PerfData->Token, "ScriptExec", PERF_TOKEN_LENGTH);\r
- PerfHeader->S3EntryNum++;\r
- }\r
-}\r
-\r
/**\r
Entry function of Boot script exector. This function will be executed in\r
S3 boot path.\r
UINTN TempStackTop;\r
UINTN TempStack[0x10];\r
UINTN AsmTransferControl16Address;\r
-\r
- PERF_CODE (\r
- mS3BootScriptEntryTick = GetPerformanceCounter ();\r
- );\r
+ IA32_DESCRIPTOR IdtDescriptor;\r
\r
//\r
// Disable interrupt of Debug timer, since new IDT table cannot handle it.\r
//\r
SaveAndSetDebugTimerInterrupt (FALSE);\r
\r
+ AsmReadIdtr (&IdtDescriptor);\r
//\r
// Restore IDT for debug\r
//\r
SetIdtEntry (AcpiS3Context);\r
\r
//\r
- // Initialize Debug Agent to support source level debug in S3 path.\r
+ // Initialize Debug Agent to support source level debug in S3 path, it will disable interrupt and Debug Timer.\r
//\r
- InitializeDebugAgent (DEBUG_AGENT_INIT_S3, NULL, NULL);\r
+ InitializeDebugAgent (DEBUG_AGENT_INIT_S3, (VOID *)&IdtDescriptor, NULL);\r
\r
//\r
// Because not install BootScriptExecute PPI(used just in this module), So just pass NULL\r
// for that parameter.\r
//\r
- PERF_CODE (\r
- mScriptStartTick = GetPerformanceCounter ();\r
- );\r
Status = S3BootScriptExecute ();\r
- PERF_CODE (\r
- mScriptEndTick = GetPerformanceCounter ();\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
\r
AsmWbinvd ();\r
\r
//\r
Facs = (EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) ((UINTN) (AcpiS3Context->AcpiFacsTable));\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
- CpuDeadLoop();\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
//\r
// We need turn back to S3Resume - install boot script done ppi and report status code on S3resume.\r
//\r
if (PeiS3ResumeState != 0) {\r
+ //\r
+ // Need report status back to S3ResumePeim. \r
+ // If boot script execution is failed, S3ResumePeim wil report the error status code.\r
+ //\r
+ PeiS3ResumeState->ReturnStatus = (UINT64)(UINTN)Status;\r
if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {\r
//\r
// X64 S3 Resume\r
DEBUG ((EFI_D_ERROR, "Call AsmDisablePaging64() to return to S3 Resume in PEI Phase\n"));\r
PeiS3ResumeState->AsmTransferControl = (EFI_PHYSICAL_ADDRESS)(UINTN)AsmTransferControl32;\r
\r
- //\r
- // more step needed - because relative address is handled differently between X64 and IA32.\r
- //\r
- AsmTransferControl16Address = (UINTN)AsmTransferControl16;\r
- AsmFixAddress16 = (UINT32)AsmTransferControl16Address;\r
- AsmJmpAddr32 = (UINT32)((Facs->FirmwareWakingVector & 0xF) | ((Facs->FirmwareWakingVector & 0xFFFF0) << 12));\r
+ if ((Facs != NULL) &&\r
+ (Facs->Signature == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) &&\r
+ (Facs->FirmwareWakingVector != 0) ) {\r
+ //\r
+ // more step needed - because relative address is handled differently between X64 and IA32.\r
+ //\r
+ AsmTransferControl16Address = (UINTN)AsmTransferControl16;\r
+ AsmFixAddress16 = (UINT32)AsmTransferControl16Address;\r
+ AsmJmpAddr32 = (UINT32)((Facs->FirmwareWakingVector & 0xF) | ((Facs->FirmwareWakingVector & 0xFFFF0) << 12));\r
+ }\r
\r
AsmDisablePaging64 (\r
PeiS3ResumeState->ReturnCs,\r
CpuDeadLoop();\r
return EFI_UNSUPPORTED;\r
}\r
-\r
- PERF_CODE (\r
- WriteToOsS3PerformanceData ();\r
- );\r
-\r
+ \r
+ //\r
+ // S3ResumePeim does not provide a way to jump back to itself, so resume to OS here directly\r
+ //\r
if (Facs->XFirmwareWakingVector != 0) {\r
//\r
// Switch to native waking vector\r
Status = SetLockBoxAttributes (&gEfiBootScriptExecutorContextGuid, LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE);\r
ASSERT_EFI_ERROR (Status);\r
\r
- PERF_CODE (\r
- EFI_EVENT Event;\r
-\r
- gBS->CreateEventEx (\r
- EVT_NOTIFY_SIGNAL,\r
- TPL_NOTIFY,\r
- OnBootEvent,\r
- NULL,\r
- &gEfiEventExitBootServicesGuid,\r
- &Event\r
- );\r
-\r
- EfiCreateEventLegacyBootEx(\r
- TPL_NOTIFY,\r
- OnBootEvent,\r
- NULL,\r
- &Event\r
- );\r
- );\r
}\r
\r
return EFI_SUCCESS;\r
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