/** @file\r
MP initialize support functions for DXE phase.\r
\r
- Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ Copyright (c) 2016 - 2023, Intel Corporation. All rights reserved.<BR>\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/DebugAgentLib.h>\r
#include <Library/DxeServicesTableLib.h>\r
+#include <Library/CcExitLib.h>\r
+#include <Register/Amd/Fam17Msr.h>\r
+#include <Register/Amd/Ghcb.h>\r
\r
#include <Protocol/Timer.h>\r
\r
-#define AP_CHECK_INTERVAL (EFI_TIMER_PERIOD_MILLISECONDS (100))\r
-#define AP_SAFE_STACK_SIZE 128\r
+#define AP_SAFE_STACK_SIZE 128\r
+\r
+CPU_MP_DATA *mCpuMpData = NULL;\r
+EFI_EVENT mCheckAllApsEvent = NULL;\r
+EFI_EVENT mMpInitExitBootServicesEvent = NULL;\r
+EFI_EVENT mLegacyBootEvent = NULL;\r
+volatile BOOLEAN mStopCheckAllApsStatus = TRUE;\r
+RELOCATE_AP_LOOP_ENTRY mReservedApLoop;\r
+UINTN mReservedTopOfApStack;\r
+volatile UINT32 mNumberToFinish = 0;\r
+UINTN mApPageTable;\r
\r
-CPU_MP_DATA *mCpuMpData = NULL;\r
-EFI_EVENT mCheckAllApsEvent = NULL;\r
-EFI_EVENT mMpInitExitBootServicesEvent = NULL;\r
-EFI_EVENT mLegacyBootEvent = NULL;\r
-volatile BOOLEAN mStopCheckAllApsStatus = TRUE;\r
-VOID *mReservedApLoopFunc = NULL;\r
-UINTN mReservedTopOfApStack;\r
-volatile UINT32 mNumberToFinish = 0;\r
+//\r
+// Begin wakeup buffer allocation below 0x88000\r
+//\r
+STATIC EFI_PHYSICAL_ADDRESS mSevEsDxeWakeupBuffer = 0x88000;\r
\r
/**\r
Enable Debug Agent to support source debugging on AP function.\r
**/\r
VOID\r
SaveCpuMpData (\r
- IN CPU_MP_DATA *CpuMpData\r
+ IN CPU_MP_DATA *CpuMpData\r
)\r
{\r
mCpuMpData = CpuMpData;\r
}\r
\r
/**\r
- Get available system memory below 1MB by specified size.\r
+ Get available system memory below 0x88000 by specified size.\r
\r
@param[in] WakeupBufferSize Wakeup buffer size required\r
\r
**/\r
UINTN\r
GetWakeupBuffer (\r
- IN UINTN WakeupBufferSize\r
+ IN UINTN WakeupBufferSize\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS StartAddress;\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS StartAddress;\r
+ EFI_MEMORY_TYPE MemoryType;\r
+\r
+ if (ConfidentialComputingGuestHas (CCAttrAmdSevEs) &&\r
+ !ConfidentialComputingGuestHas (CCAttrAmdSevSnp))\r
+ {\r
+ //\r
+ // An SEV-ES-only guest requires the memory to be reserved. SEV-SNP, which\r
+ // is also considered SEV-ES, uses a different AP startup method, though,\r
+ // which does not have the same requirement.\r
+ //\r
+ MemoryType = EfiReservedMemoryType;\r
+ } else {\r
+ MemoryType = EfiBootServicesData;\r
+ }\r
+\r
+ //\r
+ // Try to allocate buffer below 1M for waking vector.\r
+ // LegacyBios driver only reports warning when page allocation in range\r
+ // [0x60000, 0x88000) fails.\r
+ // This library is consumed by CpuDxe driver to produce CPU Arch protocol.\r
+ // LagacyBios driver depends on CPU Arch protocol which guarantees below\r
+ // allocation runs earlier than LegacyBios driver.\r
+ //\r
+ if (ConfidentialComputingGuestHas (CCAttrAmdSevEs)) {\r
+ //\r
+ // SEV-ES Wakeup buffer should be under 0x88000 and under any previous one\r
+ //\r
+ StartAddress = mSevEsDxeWakeupBuffer;\r
+ } else {\r
+ StartAddress = 0x88000;\r
+ }\r
\r
- StartAddress = BASE_1MB;\r
Status = gBS->AllocatePages (\r
AllocateMaxAddress,\r
- EfiBootServicesData,\r
+ MemoryType,\r
EFI_SIZE_TO_PAGES (WakeupBufferSize),\r
&StartAddress\r
);\r
ASSERT_EFI_ERROR (Status);\r
- if (!EFI_ERROR (Status)) {\r
- Status = gBS->FreePages(\r
- StartAddress,\r
- EFI_SIZE_TO_PAGES (WakeupBufferSize)\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- DEBUG ((DEBUG_INFO, "WakeupBufferStart = %x, WakeupBufferSize = %x\n",\r
- (UINTN) StartAddress, WakeupBufferSize));\r
- } else {\r
- StartAddress = (EFI_PHYSICAL_ADDRESS) -1;\r
+ if (EFI_ERROR (Status)) {\r
+ StartAddress = (EFI_PHYSICAL_ADDRESS)-1;\r
+ } else if (ConfidentialComputingGuestHas (CCAttrAmdSevEs)) {\r
+ //\r
+ // Next SEV-ES wakeup buffer allocation must be below this allocation\r
+ //\r
+ mSevEsDxeWakeupBuffer = StartAddress;\r
}\r
- return (UINTN) StartAddress;\r
+\r
+ DEBUG ((\r
+ DEBUG_INFO,\r
+ "WakeupBufferStart = %x, WakeupBufferSize = %x\n",\r
+ (UINTN)StartAddress,\r
+ WakeupBufferSize\r
+ ));\r
+\r
+ return (UINTN)StartAddress;\r
}\r
\r
/**\r
@retval 0 Cannot find free memory below 4GB.\r
**/\r
UINTN\r
-GetModeTransitionBuffer (\r
- IN UINTN BufferSize\r
+AllocateCodeBuffer (\r
+ IN UINTN BufferSize\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS StartAddress;\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS StartAddress;\r
\r
StartAddress = BASE_4GB - 1;\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiBootServicesCode,\r
- EFI_SIZE_TO_PAGES (BufferSize),\r
- &StartAddress\r
- );\r
+ Status = gBS->AllocatePages (\r
+ AllocateMaxAddress,\r
+ EfiBootServicesCode,\r
+ EFI_SIZE_TO_PAGES (BufferSize),\r
+ &StartAddress\r
+ );\r
if (EFI_ERROR (Status)) {\r
StartAddress = 0;\r
}\r
return (UINTN)StartAddress;\r
}\r
\r
+/**\r
+ Return the address of the SEV-ES AP jump table.\r
+\r
+ This buffer is required in order for an SEV-ES guest to transition from\r
+ UEFI into an OS.\r
+\r
+ @return Return SEV-ES AP jump table buffer\r
+**/\r
+UINTN\r
+GetSevEsAPMemory (\r
+ VOID\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS StartAddress;\r
+ MSR_SEV_ES_GHCB_REGISTER Msr;\r
+ GHCB *Ghcb;\r
+ BOOLEAN InterruptState;\r
+\r
+ //\r
+ // Allocate 1 page for AP jump table page\r
+ //\r
+ StartAddress = BASE_4GB - 1;\r
+ Status = gBS->AllocatePages (\r
+ AllocateMaxAddress,\r
+ EfiReservedMemoryType,\r
+ 1,\r
+ &StartAddress\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ DEBUG ((DEBUG_INFO, "Dxe: SevEsAPMemory = %lx\n", (UINTN)StartAddress));\r
+\r
+ //\r
+ // Save the SevEsAPMemory as the AP jump table.\r
+ //\r
+ Msr.GhcbPhysicalAddress = AsmReadMsr64 (MSR_SEV_ES_GHCB);\r
+ Ghcb = Msr.Ghcb;\r
+\r
+ CcExitVmgInit (Ghcb, &InterruptState);\r
+ CcExitVmgExit (Ghcb, SVM_EXIT_AP_JUMP_TABLE, 0, (UINT64)(UINTN)StartAddress);\r
+ CcExitVmgDone (Ghcb, InterruptState);\r
+\r
+ return (UINTN)StartAddress;\r
+}\r
+\r
/**\r
Checks APs status and updates APs status if needed.\r
\r
VOID\r
)\r
{\r
- UINTN ProcessorNumber;\r
- EFI_STATUS Status;\r
- CPU_MP_DATA *CpuMpData;\r
+ UINTN ProcessorNumber;\r
+ EFI_STATUS Status;\r
+ CPU_MP_DATA *CpuMpData;\r
\r
CpuMpData = GetCpuMpData ();\r
\r
// First, check whether pending StartupAllAPs() exists.\r
//\r
if (CpuMpData->WaitEvent != NULL) {\r
-\r
Status = CheckAllAPs ();\r
//\r
// If all APs finish for StartupAllAPs(), signal the WaitEvent for it.\r
//\r
if (Status != EFI_NOT_READY) {\r
- Status = gBS->SignalEvent (CpuMpData->WaitEvent);\r
+ Status = gBS->SignalEvent (CpuMpData->WaitEvent);\r
CpuMpData->WaitEvent = NULL;\r
}\r
}\r
// Second, check whether pending StartupThisAPs() callings exist.\r
//\r
for (ProcessorNumber = 0; ProcessorNumber < CpuMpData->CpuCount; ProcessorNumber++) {\r
-\r
if (CpuMpData->CpuData[ProcessorNumber].WaitEvent == NULL) {\r
continue;\r
}\r
\r
if (Status != EFI_NOT_READY) {\r
gBS->SignalEvent (CpuMpData->CpuData[ProcessorNumber].WaitEvent);\r
- CpuMpData->CpuData[ProcessorNumber].WaitEvent = NULL;\r
+ CpuMpData->CpuData[ProcessorNumber].WaitEvent = NULL;\r
}\r
}\r
}\r
VOID\r
EFIAPI\r
CheckApsStatus (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
)\r
{\r
//\r
}\r
}\r
\r
+/**\r
+ Get Protected mode code segment with 16-bit default addressing\r
+ from current GDT table.\r
+\r
+ @return Protected mode 16-bit code segment value.\r
+**/\r
+UINT16\r
+GetProtectedMode16CS (\r
+ VOID\r
+ )\r
+{\r
+ IA32_DESCRIPTOR GdtrDesc;\r
+ IA32_SEGMENT_DESCRIPTOR *GdtEntry;\r
+ UINTN GdtEntryCount;\r
+ UINT16 Index;\r
+\r
+ Index = (UINT16)-1;\r
+ AsmReadGdtr (&GdtrDesc);\r
+ GdtEntryCount = (GdtrDesc.Limit + 1) / sizeof (IA32_SEGMENT_DESCRIPTOR);\r
+ GdtEntry = (IA32_SEGMENT_DESCRIPTOR *)GdtrDesc.Base;\r
+ for (Index = 0; Index < GdtEntryCount; Index++) {\r
+ if (GdtEntry->Bits.L == 0) {\r
+ if ((GdtEntry->Bits.Type > 8) && (GdtEntry->Bits.DB == 0)) {\r
+ break;\r
+ }\r
+ }\r
+\r
+ GdtEntry++;\r
+ }\r
+\r
+ ASSERT (Index != GdtEntryCount);\r
+ return Index * 8;\r
+}\r
+\r
/**\r
Get Protected mode code segment from current GDT table.\r
\r
UINTN GdtEntryCount;\r
UINT16 Index;\r
\r
- Index = (UINT16) -1;\r
AsmReadGdtr (&GdtrDesc);\r
GdtEntryCount = (GdtrDesc.Limit + 1) / sizeof (IA32_SEGMENT_DESCRIPTOR);\r
- GdtEntry = (IA32_SEGMENT_DESCRIPTOR *) GdtrDesc.Base;\r
+ GdtEntry = (IA32_SEGMENT_DESCRIPTOR *)GdtrDesc.Base;\r
for (Index = 0; Index < GdtEntryCount; Index++) {\r
if (GdtEntry->Bits.L == 0) {\r
- if (GdtEntry->Bits.Type > 8 && GdtEntry->Bits.L == 0) {\r
+ if ((GdtEntry->Bits.Type > 8) && (GdtEntry->Bits.DB == 1)) {\r
break;\r
}\r
}\r
+\r
GdtEntry++;\r
}\r
- ASSERT (Index != -1);\r
+\r
+ ASSERT (Index != GdtEntryCount);\r
return Index * 8;\r
}\r
\r
IN OUT VOID *Buffer\r
)\r
{\r
- CPU_MP_DATA *CpuMpData;\r
- BOOLEAN MwaitSupport;\r
- ASM_RELOCATE_AP_LOOP AsmRelocateApLoopFunc;\r
- UINTN ProcessorNumber;\r
+ CPU_MP_DATA *CpuMpData;\r
+ BOOLEAN MwaitSupport;\r
+ UINTN ProcessorNumber;\r
+ UINTN StackStart;\r
\r
MpInitLibWhoAmI (&ProcessorNumber);\r
CpuMpData = GetCpuMpData ();\r
MwaitSupport = IsMwaitSupport ();\r
- AsmRelocateApLoopFunc = (ASM_RELOCATE_AP_LOOP) (UINTN) mReservedApLoopFunc;\r
- AsmRelocateApLoopFunc (\r
- MwaitSupport,\r
- CpuMpData->ApTargetCState,\r
- CpuMpData->PmCodeSegment,\r
- mReservedTopOfApStack - ProcessorNumber * AP_SAFE_STACK_SIZE,\r
- (UINTN) &mNumberToFinish\r
- );\r
+ if (CpuMpData->UseSevEsAPMethod) {\r
+ //\r
+ // 64-bit AMD processors with SEV-ES\r
+ //\r
+ StackStart = CpuMpData->SevEsAPResetStackStart;\r
+ mReservedApLoop.AmdSevEntry (\r
+ MwaitSupport,\r
+ CpuMpData->ApTargetCState,\r
+ CpuMpData->PmCodeSegment,\r
+ StackStart - ProcessorNumber * AP_SAFE_STACK_SIZE,\r
+ (UINTN)&mNumberToFinish,\r
+ CpuMpData->Pm16CodeSegment,\r
+ CpuMpData->SevEsAPBuffer,\r
+ CpuMpData->WakeupBuffer\r
+ );\r
+ } else {\r
+ //\r
+ // Intel processors (32-bit or 64-bit), 32-bit AMD processors, or 64-bit AMD processors without SEV-ES\r
+ //\r
+ StackStart = mReservedTopOfApStack;\r
+ mReservedApLoop.GenericEntry (\r
+ MwaitSupport,\r
+ CpuMpData->ApTargetCState,\r
+ StackStart - ProcessorNumber * AP_SAFE_STACK_SIZE,\r
+ (UINTN)&mNumberToFinish,\r
+ mApPageTable\r
+ );\r
+ }\r
+\r
//\r
// It should never reach here\r
//\r
VOID\r
EFIAPI\r
MpInitChangeApLoopCallback (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
)\r
{\r
- CPU_MP_DATA *CpuMpData;\r
-\r
- CpuMpData = GetCpuMpData ();\r
- CpuMpData->PmCodeSegment = GetProtectedModeCS ();\r
- CpuMpData->ApLoopMode = PcdGet8 (PcdCpuApLoopMode);\r
- mNumberToFinish = CpuMpData->CpuCount - 1;\r
- WakeUpAP (CpuMpData, TRUE, 0, RelocateApLoop, NULL);\r
+ CPU_MP_DATA *CpuMpData;\r
+\r
+ CpuMpData = GetCpuMpData ();\r
+ CpuMpData->PmCodeSegment = GetProtectedModeCS ();\r
+ CpuMpData->Pm16CodeSegment = GetProtectedMode16CS ();\r
+ CpuMpData->ApLoopMode = PcdGet8 (PcdCpuApLoopMode);\r
+ mNumberToFinish = CpuMpData->CpuCount - 1;\r
+ WakeUpAP (CpuMpData, TRUE, 0, RelocateApLoop, NULL, TRUE);\r
while (mNumberToFinish > 0) {\r
CpuPause ();\r
}\r
+\r
+ if (CpuMpData->UseSevEsAPMethod && (CpuMpData->WakeupBuffer != (UINTN)-1)) {\r
+ //\r
+ // There are APs present. Re-use reserved memory area below 1MB from\r
+ // WakeupBuffer as the area to be used for transitioning to 16-bit mode\r
+ // in support of booting of the AP by an OS.\r
+ //\r
+ CopyMem (\r
+ (VOID *)CpuMpData->WakeupBuffer,\r
+ (VOID *)(CpuMpData->AddressMap.RendezvousFunnelAddress +\r
+ CpuMpData->AddressMap.SwitchToRealPM16ModeOffset),\r
+ CpuMpData->AddressMap.SwitchToRealPM16ModeSize\r
+ );\r
+ }\r
+\r
DEBUG ((DEBUG_INFO, "%a() done!\n", __FUNCTION__));\r
}\r
\r
**/\r
VOID\r
InitMpGlobalData (\r
- IN CPU_MP_DATA *CpuMpData\r
+ IN CPU_MP_DATA *CpuMpData\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS Address;\r
- UINTN ApSafeBufferSize;\r
- UINTN Index;\r
- EFI_GCD_MEMORY_SPACE_DESCRIPTOR MemDesc;\r
- UINTN StackBase;\r
- CPU_INFO_IN_HOB *CpuInfoInHob;\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS Address;\r
+ UINTN Index;\r
+ EFI_GCD_MEMORY_SPACE_DESCRIPTOR MemDesc;\r
+ UINTN StackBase;\r
+ CPU_INFO_IN_HOB *CpuInfoInHob;\r
+ MP_ASSEMBLY_ADDRESS_MAP *AddressMap;\r
+ UINT8 *ApLoopFunc;\r
+ UINTN ApLoopFuncSize;\r
+ UINTN StackPages;\r
+ UINTN FuncPages;\r
\r
SaveCpuMpData (CpuMpData);\r
\r
//\r
CpuInfoInHob = (CPU_INFO_IN_HOB *)(UINTN)CpuMpData->CpuInfoInHob;\r
for (Index = 0; Index < CpuMpData->CpuCount; ++Index) {\r
- if (CpuInfoInHob != NULL && CpuInfoInHob[Index].ApTopOfStack != 0) {\r
+ if ((CpuInfoInHob != NULL) && (CpuInfoInHob[Index].ApTopOfStack != 0)) {\r
StackBase = (UINTN)CpuInfoInHob[Index].ApTopOfStack - CpuMpData->CpuApStackSize;\r
} else {\r
StackBase = CpuMpData->Buffer + Index * CpuMpData->CpuApStackSize;\r
);\r
ASSERT_EFI_ERROR (Status);\r
\r
- DEBUG ((DEBUG_INFO, "Stack Guard set at %lx [cpu%lu]!\n",\r
- (UINT64)StackBase, (UINT64)Index));\r
+ DEBUG ((\r
+ DEBUG_INFO,\r
+ "Stack Guard set at %lx [cpu%lu]!\n",\r
+ (UINT64)StackBase,\r
+ (UINT64)Index\r
+ ));\r
}\r
}\r
\r
+ AddressMap = &CpuMpData->AddressMap;\r
+ if (CpuMpData->UseSevEsAPMethod) {\r
+ //\r
+ // 64-bit AMD processors with SEV-ES\r
+ //\r
+ Address = BASE_4GB - 1;\r
+ ApLoopFunc = AddressMap->RelocateApLoopFuncAddressAmdSev;\r
+ ApLoopFuncSize = AddressMap->RelocateApLoopFuncSizeAmdSev;\r
+ } else {\r
+ //\r
+ // Intel processors (32-bit or 64-bit), 32-bit AMD processors, or 64-bit AMD processors without SEV-ES\r
+ //\r
+ Address = MAX_ADDRESS;\r
+ ApLoopFunc = AddressMap->RelocateApLoopFuncAddressGeneric;\r
+ ApLoopFuncSize = AddressMap->RelocateApLoopFuncSizeGeneric;\r
+ }\r
+\r
//\r
// Avoid APs access invalid buffer data which allocated by BootServices,\r
// so we will allocate reserved data for AP loop code. We also need to\r
// Allocating it in advance since memory services are not available in\r
// Exit Boot Services callback function.\r
//\r
- ApSafeBufferSize = EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (\r
- CpuMpData->AddressMap.RelocateApLoopFuncSize\r
- ));\r
- Address = BASE_4GB - 1;\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiReservedMemoryType,\r
- EFI_SIZE_TO_PAGES (ApSafeBufferSize),\r
- &Address\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
+ // +------------+ (TopOfApStack)\r
+ // | Stack * N |\r
+ // +------------+ (stack base, 4k aligned)\r
+ // | Padding |\r
+ // +------------+\r
+ // | Ap Loop |\r
+ // +------------+ ((low address, 4k-aligned)\r
+ //\r
\r
- mReservedApLoopFunc = (VOID *) (UINTN) Address;\r
- ASSERT (mReservedApLoopFunc != NULL);\r
+ StackPages = EFI_SIZE_TO_PAGES (CpuMpData->CpuCount * AP_SAFE_STACK_SIZE);\r
+ FuncPages = EFI_SIZE_TO_PAGES (ApLoopFuncSize);\r
+\r
+ Status = gBS->AllocatePages (\r
+ AllocateMaxAddress,\r
+ EfiReservedMemoryType,\r
+ StackPages + FuncPages,\r
+ &Address\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
\r
//\r
// Make sure that the buffer memory is executable if NX protection is enabled\r
if (!EFI_ERROR (Status)) {\r
gDS->SetMemorySpaceAttributes (\r
Address,\r
- ApSafeBufferSize,\r
+ EFI_PAGES_TO_SIZE (FuncPages),\r
MemDesc.Attributes & (~EFI_MEMORY_XP)\r
);\r
}\r
\r
- ApSafeBufferSize = EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (\r
- CpuMpData->CpuCount * AP_SAFE_STACK_SIZE\r
- ));\r
- Address = BASE_4GB - 1;\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiReservedMemoryType,\r
- EFI_SIZE_TO_PAGES (ApSafeBufferSize),\r
- &Address\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- mReservedTopOfApStack = (UINTN) Address + ApSafeBufferSize;\r
+ mReservedTopOfApStack = (UINTN)Address + EFI_PAGES_TO_SIZE (StackPages+FuncPages);\r
ASSERT ((mReservedTopOfApStack & (UINTN)(CPU_STACK_ALIGNMENT - 1)) == 0);\r
- CopyMem (\r
- mReservedApLoopFunc,\r
- CpuMpData->AddressMap.RelocateApLoopFuncAddress,\r
- CpuMpData->AddressMap.RelocateApLoopFuncSize\r
- );\r
+ mReservedApLoop.Data = (VOID *)(UINTN)Address;\r
+ ASSERT (mReservedApLoop.Data != NULL);\r
+ CopyMem (mReservedApLoop.Data, ApLoopFunc, ApLoopFuncSize);\r
+ if (!CpuMpData->UseSevEsAPMethod) {\r
+ //\r
+ // processors without SEV-ES\r
+ //\r
+ mApPageTable = CreatePageTable (\r
+ (UINTN)Address,\r
+ EFI_PAGES_TO_SIZE (StackPages+FuncPages)\r
+ );\r
+ }\r
\r
Status = gBS->CreateEvent (\r
EVT_TIMER | EVT_NOTIFY_SIGNAL,\r
Status = gBS->SetTimer (\r
mCheckAllApsEvent,\r
TimerPeriodic,\r
- AP_CHECK_INTERVAL\r
+ EFI_TIMER_PERIOD_MICROSECONDS (\r
+ PcdGet32 (PcdCpuApStatusCheckIntervalInMicroSeconds)\r
+ )\r
);\r
ASSERT_EFI_ERROR (Status);\r
\r
EFI_STATUS\r
EFIAPI\r
MpInitLibStartupAllAPs (\r
- IN EFI_AP_PROCEDURE Procedure,\r
- IN BOOLEAN SingleThread,\r
- IN EFI_EVENT WaitEvent OPTIONAL,\r
- IN UINTN TimeoutInMicroseconds,\r
- IN VOID *ProcedureArgument OPTIONAL,\r
- OUT UINTN **FailedCpuList OPTIONAL\r
+ IN EFI_AP_PROCEDURE Procedure,\r
+ IN BOOLEAN SingleThread,\r
+ IN EFI_EVENT WaitEvent OPTIONAL,\r
+ IN UINTN TimeoutInMicroseconds,\r
+ IN VOID *ProcedureArgument OPTIONAL,\r
+ OUT UINTN **FailedCpuList OPTIONAL\r
)\r
{\r
- EFI_STATUS Status;\r
+ EFI_STATUS Status;\r
\r
//\r
// Temporarily stop checkAllApsStatus for avoid resource dead-lock.\r
//\r
mStopCheckAllApsStatus = TRUE;\r
\r
- Status = StartupAllAPsWorker (\r
+ Status = StartupAllCPUsWorker (\r
Procedure,\r
SingleThread,\r
+ TRUE,\r
WaitEvent,\r
TimeoutInMicroseconds,\r
ProcedureArgument,\r
EFI_STATUS\r
EFIAPI\r
MpInitLibStartupThisAP (\r
- IN EFI_AP_PROCEDURE Procedure,\r
- IN UINTN ProcessorNumber,\r
- IN EFI_EVENT WaitEvent OPTIONAL,\r
- IN UINTN TimeoutInMicroseconds,\r
- IN VOID *ProcedureArgument OPTIONAL,\r
- OUT BOOLEAN *Finished OPTIONAL\r
+ IN EFI_AP_PROCEDURE Procedure,\r
+ IN UINTN ProcessorNumber,\r
+ IN EFI_EVENT WaitEvent OPTIONAL,\r
+ IN UINTN TimeoutInMicroseconds,\r
+ IN VOID *ProcedureArgument OPTIONAL,\r
+ OUT BOOLEAN *Finished OPTIONAL\r
)\r
{\r
- EFI_STATUS Status;\r
+ EFI_STATUS Status;\r
\r
//\r
// temporarily stop checkAllApsStatus for avoid resource dead-lock.\r
EFI_STATUS\r
EFIAPI\r
MpInitLibSwitchBSP (\r
- IN UINTN ProcessorNumber,\r
- IN BOOLEAN EnableOldBSP\r
+ IN UINTN ProcessorNumber,\r
+ IN BOOLEAN EnableOldBSP\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_TIMER_ARCH_PROTOCOL *Timer;\r
- UINT64 TimerPeriod;\r
+ EFI_STATUS Status;\r
+ EFI_TIMER_ARCH_PROTOCOL *Timer;\r
+ UINT64 TimerPeriod;\r
\r
TimerPeriod = 0;\r
//\r
// Locate Timer Arch Protocol\r
//\r
- Status = gBS->LocateProtocol (&gEfiTimerArchProtocolGuid, NULL, (VOID **) &Timer);\r
+ Status = gBS->LocateProtocol (&gEfiTimerArchProtocolGuid, NULL, (VOID **)&Timer);\r
if (EFI_ERROR (Status)) {\r
Timer = NULL;\r
}\r
EFI_STATUS\r
EFIAPI\r
MpInitLibEnableDisableAP (\r
- IN UINTN ProcessorNumber,\r
- IN BOOLEAN EnableAP,\r
- IN UINT32 *HealthFlag OPTIONAL\r
+ IN UINTN ProcessorNumber,\r
+ IN BOOLEAN EnableAP,\r
+ IN UINT32 *HealthFlag OPTIONAL\r
)\r
{\r
- EFI_STATUS Status;\r
- BOOLEAN TempStopCheckState;\r
+ EFI_STATUS Status;\r
+ BOOLEAN TempStopCheckState;\r
\r
TempStopCheckState = FALSE;\r
//\r
\r
return Status;\r
}\r
+\r
+/**\r
+ This funtion will try to invoke platform specific microcode shadow logic to\r
+ relocate microcode update patches into memory.\r
+\r
+ @param[in, out] CpuMpData The pointer to CPU MP Data structure.\r
+\r
+ @retval EFI_SUCCESS Shadow microcode success.\r
+ @retval EFI_OUT_OF_RESOURCES No enough resource to complete the operation.\r
+ @retval EFI_UNSUPPORTED Can't find platform specific microcode shadow\r
+ PPI/Protocol.\r
+**/\r
+EFI_STATUS\r
+PlatformShadowMicrocode (\r
+ IN OUT CPU_MP_DATA *CpuMpData\r
+ )\r
+{\r
+ //\r
+ // There is no DXE version of platform shadow microcode protocol so far.\r
+ // A platform which only uses DxeMpInitLib instance could only supports\r
+ // the PCD based microcode shadowing.\r
+ //\r
+ return EFI_UNSUPPORTED;\r
+}\r
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