UefiCpuPkg/ExceptionLib: Import PeiCpuExceptionHandlerLib module

This module could be linked by CpuMpPei driver to handle reserved vector list
and provide spin lock for BSP/APs to prevent dump message corrupted.

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

4 files changed, 272 insertions, 0 deletions

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h
index bbf8004882..9c88012e0b 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h
@@ -31,6 +31,11 @@
 

 #include "ArchInterruptDefs.h"

 

+#define CPU_EXCEPTION_HANDLER_LIB_HOB_GUID \

+  { \

+    0xb21d9148, 0x9211, 0x4d8f, { 0xad, 0xd3, 0x66, 0xb1, 0x89, 0xc9, 0x2c, 0x83 } \

+  }

+

 //

 // Record exception handler information

 //

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuException.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuException.c
new file mode 100644
index 0000000000..c3fd8ae196
--- /dev/null
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuException.c
@@ -0,0 +1,184 @@
+/** @file

+  CPU exception handler library implementation for PEIM module.

+

+Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>

+This program and the accompanying materials are licensed and made available under

+the terms and conditions of the BSD License that accompanies this distribution.

+The full text of the license may be found at

+http://opensource.org/licenses/bsd-license.php.

+

+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+

+**/

+

+#include <PiPei.h>

+#include "CpuExceptionCommon.h"

+#include <Library/DebugLib.h>

+#include <Library/HobLib.h>

+#include <Library/MemoryAllocationLib.h>

+

+//

+// Image Alignment size for PEI phase

+//

+CONST UINTN    mImageAlignSize   = 4;

+CONST UINTN    mDoFarReturnFlag  = 0;

+

+EFI_GUID mCpuExceptrionHandlerLibHobGuid = CPU_EXCEPTION_HANDLER_LIB_HOB_GUID;

+

+/**

+  Get exception handler data pointer from GUIDed HOb.

+

+  @return  pointer to exception handler data. 

+**/

+EXCEPTION_HANDLER_DATA *

+GetExceptionHandlerData (

+  VOID

+  )

+{

+  EFI_HOB_GUID_TYPE       *GuidHob;

+  VOID                    *DataInHob;

+  EXCEPTION_HANDLER_DATA  *ExceptionHandlerData;

+

+  ExceptionHandlerData = NULL;

+  GuidHob = GetFirstGuidHob (&mCpuExceptrionHandlerLibHobGuid);

+  if (GuidHob != NULL) {

+    DataInHob = GET_GUID_HOB_DATA (GuidHob);

+    ExceptionHandlerData = (EXCEPTION_HANDLER_DATA *)(*(UINTN *)DataInHob);

+  }

+  ASSERT (ExceptionHandlerData != NULL);

+  return ExceptionHandlerData;

+}

+

+/**

+  Common exception handler.

+

+  @param ExceptionType  Exception type.

+  @param SystemContext  Pointer to EFI_SYSTEM_CONTEXT.

+**/

+VOID

+EFIAPI

+CommonExceptionHandler (

+  IN EFI_EXCEPTION_TYPE   ExceptionType, 

+  IN EFI_SYSTEM_CONTEXT   SystemContext

+  )

+{

+  EXCEPTION_HANDLER_DATA  *ExceptionHandlerData;

+

+  ExceptionHandlerData = GetExceptionHandlerData ();

+  CommonExceptionHandlerWorker (ExceptionType, SystemContext, ExceptionHandlerData);

+}

+

+/**

+  Initializes all CPU exceptions entries and provides the default exception handlers.

+  

+  Caller should try to get an array of interrupt and/or exception vectors that are in use and need to

+  persist by EFI_VECTOR_HANDOFF_INFO defined in PI 1.3 specification.

+  If caller cannot get reserved vector list or it does not exists, set VectorInfo to NULL. 

+  If VectorInfo is not NULL, the exception vectors will be initialized per vector attribute accordingly.

+  Note: Before invoking this API, caller must allocate memory for IDT table and load 

+        IDTR by AsmWriteIdtr().

+

+  @param[in]  VectorInfo    Pointer to reserved vector list.

+  

+  @retval EFI_SUCCESS           CPU Exception Entries have been successfully initialized 

+                                with default exception handlers.

+  @retval EFI_INVALID_PARAMETER VectorInfo includes the invalid content if VectorInfo is not NULL.

+  @retval EFI_UNSUPPORTED       This function is not supported.

+

+**/

+EFI_STATUS

+EFIAPI

+InitializeCpuExceptionHandlers (

+  IN EFI_VECTOR_HANDOFF_INFO       *VectorInfo OPTIONAL

+  )

+{

+  EFI_STATUS                       Status;

+  EXCEPTION_HANDLER_DATA           *ExceptionHandlerData;

+  RESERVED_VECTORS_DATA            *ReservedVectors;

+

+  ReservedVectors = AllocatePool (sizeof (RESERVED_VECTORS_DATA) * CPU_EXCEPTION_NUM);

+  ASSERT (ReservedVectors != NULL);

+

+  ExceptionHandlerData = AllocatePool (sizeof (EXCEPTION_HANDLER_DATA));

+  ASSERT (ExceptionHandlerData != NULL);

+  ExceptionHandlerData->ReservedVectors          = ReservedVectors;

+  ExceptionHandlerData->ExternalInterruptHandler = NULL;

+  InitializeSpinLock (&ExceptionHandlerData->DisplayMessageSpinLock);

+

+  Status = InitializeCpuExceptionHandlersWorker (VectorInfo, ExceptionHandlerData);

+  if (EFI_ERROR (Status)) {

+    FreePool (ReservedVectors);

+    FreePool (ExceptionHandlerData);

+    return Status;

+  }

+

+  //

+  // Build location of CPU MP DATA buffer in HOB

+  //

+  BuildGuidDataHob (

+    &mCpuExceptrionHandlerLibHobGuid,

+    (VOID *)&ExceptionHandlerData,

+    sizeof(UINT64)

+    );

+

+  return EFI_SUCCESS;

+}

+

+/**

+  Initializes all CPU interrupt/exceptions entries and provides the default interrupt/exception handlers.

+  

+  Caller should try to get an array of interrupt and/or exception vectors that are in use and need to

+  persist by EFI_VECTOR_HANDOFF_INFO defined in PI 1.3 specification.

+  If caller cannot get reserved vector list or it does not exists, set VectorInfo to NULL. 

+  If VectorInfo is not NULL, the exception vectors will be initialized per vector attribute accordingly.

+

+  @param[in]  VectorInfo    Pointer to reserved vector list.

+  

+  @retval EFI_SUCCESS           All CPU interrupt/exception entries have been successfully initialized 

+                                with default interrupt/exception handlers.

+  @retval EFI_INVALID_PARAMETER VectorInfo includes the invalid content if VectorInfo is not NULL.

+  @retval EFI_UNSUPPORTED       This function is not supported.

+

+**/

+EFI_STATUS

+EFIAPI

+InitializeCpuInterruptHandlers (

+  IN EFI_VECTOR_HANDOFF_INFO       *VectorInfo OPTIONAL

+  )

+{

+  return EFI_UNSUPPORTED;

+}

+

+/**

+  Registers a function to be called from the processor interrupt handler.

+

+  This function registers and enables the handler specified by InterruptHandler for a processor 

+  interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the 

+  handler for the processor interrupt or exception type specified by InterruptType is uninstalled. 

+  The installed handler is called once for each processor interrupt or exception.

+  NOTE: This function should be invoked after InitializeCpuExceptionHandlers() or

+  InitializeCpuInterruptHandlers() invoked, otherwise EFI_UNSUPPORTED returned.

+

+  @param[in]  InterruptType     Defines which interrupt or exception to hook.

+  @param[in]  InterruptHandler  A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called

+                                when a processor interrupt occurs. If this parameter is NULL, then the handler

+                                will be uninstalled.

+

+  @retval EFI_SUCCESS           The handler for the processor interrupt was successfully installed or uninstalled.

+  @retval EFI_ALREADY_STARTED   InterruptHandler is not NULL, and a handler for InterruptType was

+                                previously installed.

+  @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not

+                                previously installed.

+  @retval EFI_UNSUPPORTED       The interrupt specified by InterruptType is not supported,

+                                or this function is not supported.

+**/

+EFI_STATUS

+EFIAPI

+RegisterCpuInterruptHandler (

+  IN EFI_EXCEPTION_TYPE            InterruptType,

+  IN EFI_CPU_INTERRUPT_HANDLER     InterruptHandler

+  )

+{

+  return EFI_UNSUPPORTED;

+}
\ No newline at end of file
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf b/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf
new file mode 100644
index 0000000000..d8a29977a4
--- /dev/null
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf
@@ -0,0 +1,61 @@
+## @file

+#  CPU Exception Handler library instance for PEI module.

+#

+#  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>

+#  This program and the accompanying materials

+#  are licensed and made available under the terms and conditions of the BSD License

+#  which accompanies this distribution.  The full text of the license may be found at

+#  http://opensource.org/licenses/bsd-license.php

+#  

+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+#  

+##

+

+[Defines]

+  INF_VERSION                    = 0x00010005

+  BASE_NAME                      = PeiCpuExceptionHandlerLib

+  MODULE_UNI_FILE                = PeiCpuExceptionHandlerLib.uni

+  FILE_GUID                      = 980DDA67-44A6-4897-99E6-275290B71F9E

+  MODULE_TYPE                    = PEIM

+  VERSION_STRING                 = 1.1

+  LIBRARY_CLASS                  = CpuExceptionHandlerLib|PEI_CORE PEIM

+

+#

+# The following information is for reference only and not required by the build tools.

+#

+#  VALID_ARCHITECTURES           = IA32 X64

+#

+

+[Sources.Ia32]

+  Ia32/ExceptionHandlerAsm.asm

+  Ia32/ExceptionHandlerAsm.S   |GCC

+  Ia32/ArchExceptionHandler.c

+  Ia32/ArchInterruptDefs.h

+

+[Sources.X64]

+  X64/ExceptionHandlerAsm.asm

+  X64/ExceptionHandlerAsm.S   |GCC

+  X64/ArchExceptionHandler.c

+  X64/ArchInterruptDefs.h

+

+[Sources.common]

+  CpuExceptionCommon.h

+  CpuExceptionCommon.c

+  PeiCpuException.c

+  PeiDxeSmmCpuException.c

+

+[Packages]

+  MdePkg/MdePkg.dec

+  MdeModulePkg/MdeModulePkg.dec

+  UefiCpuPkg/UefiCpuPkg.dec

+

+[LibraryClasses]

+  BaseLib

+  SerialPortLib

+  PrintLib

+  LocalApicLib

+  PeCoffGetEntryPointLib

+  HobLib

+  MemoryAllocationLib

+  SynchronizationLib

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.uni b/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.uni
new file mode 100644
index 0000000000..8baf045a61
--- /dev/null
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.uni
@@ -0,0 +1,22 @@
+// /** @file

+// CPU Exception Handler library instance for PEI module.

+//

+// CPU Exception Handler library instance for PEI module.

+//

+// Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>

+//

+// This program and the accompanying materials

+// are licensed and made available under the terms and conditions of the BSD License

+// which accompanies this distribution.  The full text of the license may be found at

+// http://opensource.org/licenses/bsd-license.php

+// 

+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+//

+// **/

+

+

+#string STR_MODULE_ABSTRACT             #language en-US "CPU Exception Handler library instance for PEI module."

+

+#string STR_MODULE_DESCRIPTION          #language en-US "CPU Exception Handler library instance for PEI module."

+