[edk2-devel] [Patch V5 2/4] UefiCpuPkg: Add Unit tests for PeiCpuExceptionHandlerLib
duntan
dun.tan at intel.com
Mon Oct 17 06:35:40 UTC 2022
The previous change adds unit test for DxeCpuExeptionHandlerLib
in 64bit mode. This change create a PEIM to add unit test for
PeiCpuExceptionHandlerLib based on previous change.It can run
in both 32bit and 64bit modes.
Signed-off-by: Dun Tan <dun.tan at intel.com>
Cc: Eric Dong <eric.dong at intel.com>
Reviewed-by: Ray Ni <ray.ni at intel.com>
Cc: Rahul Kumar <rahul1.kumar at intel.com>
---
UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/CpuExceptionHandlerTest.h | 9 +++++++++
UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/Ia32/ArchExceptionHandlerTest.c | 135 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/Ia32/ArchExceptionHandlerTestAsm.nasm | 208 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/PeiCpuExceptionHandlerLibUnitTest.inf | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/PeiCpuExceptionHandlerUnitTest.c | 204 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 617 insertions(+)
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/CpuExceptionHandlerTest.h b/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/CpuExceptionHandlerTest.h
index 936098fde8..bad3387db5 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/CpuExceptionHandlerTest.h
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/CpuExceptionHandlerTest.h
@@ -93,6 +93,15 @@ typedef struct {
UINT64 R15;
} GENERAL_REGISTER;
+typedef struct {
+ UINT32 Edi;
+ UINT32 Esi;
+ UINT32 Ebx;
+ UINT32 Edx;
+ UINT32 Ecx;
+ UINT32 Eax;
+} GENERAL_REGISTER_IA32;
+
extern UINTN mFaultInstructionLength;
extern EFI_EXCEPTION_TYPE mExceptionType;
extern UINTN mRspAddress[];
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/Ia32/ArchExceptionHandlerTest.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/Ia32/ArchExceptionHandlerTest.c
new file mode 100644
index 0000000000..8bb27249dc
--- /dev/null
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/Ia32/ArchExceptionHandlerTest.c
@@ -0,0 +1,135 @@
+/** @file
+ Unit tests of the CpuExceptionHandlerLib.
+
+ Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "CpuExceptionHandlerTest.h"
+
+GENERAL_REGISTER_IA32 mActualContextInHandler;
+GENERAL_REGISTER_IA32 mActualContextAfterException;
+
+//
+// In TestCpuContextConsistency, Cpu registers will be set to mExpectedContextInHandler/mExpectedContextAfterException.
+// Ecx in mExpectedContextInHandler is set runtime since Ecx is needed in assembly code.
+// For GP and PF, Ecx is set to FaultParameter. For other exception triggered by INTn, Ecx is set to ExceptionType.
+//
+GENERAL_REGISTER_IA32 mExpectedContextInHandler = { 1, 2, 3, 4, 5, 0 };
+GENERAL_REGISTER_IA32 mExpectedContextAfterException = { 11, 12, 13, 14, 15, 16 };
+
+/**
+ Special handler for fault exception.
+ Rip/Eip in SystemContext will be modified to the instruction after the exception instruction.
+
+ @param ExceptionType Exception type.
+ @param SystemContext Pointer to EFI_SYSTEM_CONTEXT.
+
+**/
+VOID
+EFIAPI
+AdjustRipForFaultHandler (
+ IN EFI_EXCEPTION_TYPE ExceptionType,
+ IN EFI_SYSTEM_CONTEXT SystemContext
+ )
+{
+ mExceptionType = ExceptionType;
+ SystemContext.SystemContextIa32->Eip += mFaultInstructionLength;
+}
+
+/**
+ Special handler for ConsistencyOfCpuContext test case.
+
+ @param ExceptionType Exception type.
+ @param SystemContext Pointer to EFI_SYSTEM_CONTEXT.
+**/
+VOID
+EFIAPI
+AdjustCpuContextHandler (
+ IN EFI_EXCEPTION_TYPE ExceptionType,
+ IN EFI_SYSTEM_CONTEXT SystemContext
+ )
+{
+ //
+ // Store SystemContext in exception handler.
+ //
+ mActualContextInHandler.Edi = SystemContext.SystemContextIa32->Edi;
+ mActualContextInHandler.Esi = SystemContext.SystemContextIa32->Esi;
+ mActualContextInHandler.Ebx = SystemContext.SystemContextIa32->Ebx;
+ mActualContextInHandler.Edx = SystemContext.SystemContextIa32->Edx;
+ mActualContextInHandler.Ecx = SystemContext.SystemContextIa32->Ecx;
+ mActualContextInHandler.Eax = SystemContext.SystemContextIa32->Eax;
+
+ //
+ // Modify cpu context. These registers will be stored in mActualContextAfterException.
+ // Do not handle Esp and Ebp in SystemContext. CpuExceptionHandlerLib doesn't set Esp and
+ // Esp register to the value in SystemContext.
+ //
+ SystemContext.SystemContextIa32->Edi = mExpectedContextAfterException.Edi;
+ SystemContext.SystemContextIa32->Esi = mExpectedContextAfterException.Esi;
+ SystemContext.SystemContextIa32->Ebx = mExpectedContextAfterException.Ebx;
+ SystemContext.SystemContextIa32->Edx = mExpectedContextAfterException.Edx;
+ SystemContext.SystemContextIa32->Ecx = mExpectedContextAfterException.Ecx;
+ SystemContext.SystemContextIa32->Eax = mExpectedContextAfterException.Eax;
+
+ //
+ // When fault exception happens, eip/rip points to the faulting instruction.
+ // For now, olny GP and PF are tested in fault exception.
+ //
+ if ((ExceptionType == EXCEPT_IA32_PAGE_FAULT) || (ExceptionType == EXCEPT_IA32_GP_FAULT)) {
+ AdjustRipForFaultHandler (ExceptionType, SystemContext);
+ }
+}
+
+/**
+ Compare cpu context in ConsistencyOfCpuContext test case.
+ 1.Compare mActualContextInHandler with mExpectedContextInHandler.
+ 2.Compare mActualContextAfterException with mExpectedContextAfterException.
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and it was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+**/
+UNIT_TEST_STATUS
+CompareCpuContext (
+ VOID
+ )
+{
+ UT_ASSERT_EQUAL (mActualContextInHandler.Edi, mExpectedContextInHandler.Edi);
+ UT_ASSERT_EQUAL (mActualContextInHandler.Esi, mExpectedContextInHandler.Esi);
+ UT_ASSERT_EQUAL (mActualContextInHandler.Ebx, mExpectedContextInHandler.Ebx);
+ UT_ASSERT_EQUAL (mActualContextInHandler.Edx, mExpectedContextInHandler.Edx);
+ UT_ASSERT_EQUAL (mActualContextInHandler.Ecx, mExpectedContextInHandler.Ecx);
+ UT_ASSERT_EQUAL (mActualContextInHandler.Eax, mExpectedContextInHandler.Eax);
+
+ UT_ASSERT_EQUAL (mActualContextAfterException.Edi, mExpectedContextAfterException.Edi);
+ UT_ASSERT_EQUAL (mActualContextAfterException.Esi, mExpectedContextAfterException.Esi);
+ UT_ASSERT_EQUAL (mActualContextAfterException.Ebx, mExpectedContextAfterException.Ebx);
+ UT_ASSERT_EQUAL (mActualContextAfterException.Edx, mExpectedContextAfterException.Edx);
+ UT_ASSERT_EQUAL (mActualContextAfterException.Ecx, mExpectedContextAfterException.Ecx);
+ UT_ASSERT_EQUAL (mActualContextAfterException.Eax, mExpectedContextAfterException.Eax);
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Special handler for CpuStackGuard test case.
+
+ @param ExceptionType Exception type.
+ @param SystemContext Pointer to EFI_SYSTEM_CONTEXT.
+
+**/
+VOID
+EFIAPI
+CpuStackGuardExceptionHandler (
+ IN EFI_EXCEPTION_TYPE ExceptionType,
+ IN EFI_SYSTEM_CONTEXT SystemContext
+ )
+{
+ UINTN LocalVariable;
+
+ AdjustRipForFaultHandler (ExceptionType, SystemContext);
+ mRspAddress[0] = (UINTN)SystemContext.SystemContextIa32->Esp;
+ mRspAddress[1] = (UINTN)(&LocalVariable);
+
+ return;
+}
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/Ia32/ArchExceptionHandlerTestAsm.nasm b/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/Ia32/ArchExceptionHandlerTestAsm.nasm
new file mode 100644
index 0000000000..48031a5109
--- /dev/null
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/Ia32/ArchExceptionHandlerTestAsm.nasm
@@ -0,0 +1,208 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+; Module Name:
+;
+; ArchExceptionHandlerTestAsm.nasm
+;
+; Abstract:
+;
+; ia32 CPU Exception Handler Lib Unit test
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+struc GENERAL_REGISTER_IA32
+ .Edi: resd 1
+ .Esi: resd 1
+ .Ebx: resd 1
+ .Edx: resd 1
+ .Ecx: resd 1
+ .Eax: resd 1
+
+endstruc
+
+extern ASM_PFX(mExpectedContextInHandler)
+extern ASM_PFX(mActualContextAfterException)
+extern ASM_PFX(mFaultInstructionLength)
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; TriggerGPException (
+; UINTN Cr4ReservedBit
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(TriggerGPException)
+ASM_PFX(TriggerGPException):
+ ;
+ ; Set reserved bit 15 of cr4 to 1
+ ;
+ lea ecx, [ASM_PFX(mFaultInstructionLength)]
+ mov dword[ecx], TriggerGPExceptionAfter - TriggerGPExceptionBefore
+ mov ecx, dword [esp + 0x4]
+TriggerGPExceptionBefore:
+ mov cr4, ecx
+TriggerGPExceptionAfter:
+ ret
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; TriggerPFException (
+; UINTN PfAddress
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(TriggerPFException)
+ASM_PFX(TriggerPFException):
+ lea ecx, [ASM_PFX(mFaultInstructionLength)]
+ mov dword[ecx], TriggerPFExceptionAfter - TriggerPFExceptionBefore
+ mov ecx, dword [esp + 0x4]
+TriggerPFExceptionBefore:
+ mov dword[ecx], 0x1
+TriggerPFExceptionAfter:
+ ret
+
+;------------------------------------------------------------------------------
+; ModifyEcxInGlobalBeforeException;
+; This function is writed by assebly code because it's only called in this file.
+; It's used to set Ecx in mExpectedContextInHandler for different exception.
+;------------------------------------------------------------------------------
+global ASM_PFX(ModifyEcxInGlobalBeforeException)
+ASM_PFX(ModifyEcxInGlobalBeforeException):
+ push eax
+ lea eax, [ASM_PFX(mExpectedContextInHandler)]
+ mov [eax + GENERAL_REGISTER_IA32.Ecx], ecx
+ pop eax
+ ret
+
+;------------------------------------------------------------------------------
+;VOID
+;EFIAPI
+;AsmTestConsistencyOfCpuContext (
+; IN EFI_EXCEPTION_TYPE ExceptionType
+; IN UINTN FaultParameter OPTIONAL
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(AsmTestConsistencyOfCpuContext)
+ASM_PFX(AsmTestConsistencyOfCpuContext):
+ ;
+ ; push 7 general register plus 4 bytes
+ ;
+ pushad
+
+ ;
+ ; Modify register to mExpectedContextInHandler. Do not handle Esp and Ebp.
+ ; CpuExceptionHandlerLib doesn't set Esp and Esp register to the value in SystemContext.
+ ;
+ lea eax, [ASM_PFX(mExpectedContextInHandler)]
+ mov edi, [eax + GENERAL_REGISTER_IA32.Edi]
+ mov esi, [eax + GENERAL_REGISTER_IA32.Esi]
+ mov ebx, [eax + GENERAL_REGISTER_IA32.Ebx]
+ mov edx, [eax + GENERAL_REGISTER_IA32.Edx]
+ ;
+ ; Set ecx to ExceptionType
+ ;
+ mov ecx, dword [esp + 0x24]
+ mov eax, [eax + GENERAL_REGISTER_IA32.Eax]
+
+ cmp ecx, 0xd
+ jz GPException
+ cmp ecx, 0xe
+ jz PFException
+ jmp INTnException
+
+PFException:
+ mov ecx, dword [esp + 0x28] ; Set ecx to PFAddress.
+ call ASM_PFX(ModifyEcxInGlobalBeforeException) ; Set mExpectedContextInHandler.Ecx to PFAddress.
+ push ecx ; Push PfAddress into stack.
+ call ASM_PFX(TriggerPFException)
+ jmp AfterException
+
+GPException:
+ mov ecx, dword [esp + 0x28] ; Set ecx to CR4_RESERVED_BIT.
+ call ASM_PFX(ModifyEcxInGlobalBeforeException) ; Set mExpectedContextInHandler.Ecx to CR4_RESERVED_BIT.
+ push ecx ; Push CR4_RESERVED_BIT into stack.
+ call ASM_PFX(TriggerGPException)
+ jmp AfterException
+
+INTnException:
+ call ASM_PFX(ModifyEcxInGlobalBeforeException) ; Set mExpectedContextInHandler.Ecx to ExceptionType.
+ push ecx ; Push ExceptionType into stack.
+ call ASM_PFX(TriggerINTnException)
+
+AfterException:
+ ;
+ ; Save register in mActualContextAfterException.
+ ;
+ push eax
+ lea eax, [ASM_PFX(mActualContextAfterException)]
+ mov [eax + GENERAL_REGISTER_IA32.Edi], edi
+ mov [eax + GENERAL_REGISTER_IA32.Esi], esi
+ mov [eax + GENERAL_REGISTER_IA32.Ebx], ebx
+ mov [eax + GENERAL_REGISTER_IA32.Edx], edx
+ mov [eax + GENERAL_REGISTER_IA32.Ecx], ecx
+ pop ecx
+ mov [eax + GENERAL_REGISTER_IA32.Eax], ecx
+ add esp, 4
+
+ ;
+ ; restore original register
+ ;
+ popad
+ ret
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; TriggerStackOverflow (
+; VOID
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(TriggerStackOverflow)
+ASM_PFX(TriggerStackOverflow):
+ lea ecx, [ASM_PFX(mFaultInstructionLength)]
+ mov dword[ecx], TriggerCpuStackGuardAfter - TriggerCpuStackGuardBefore
+TriggerCpuStackGuardBefore:
+ ;
+ ; Clear CR0.TS since it is set after return from a nested DF
+ ;
+ call TriggerCpuStackGuardBefore
+ clts
+TriggerCpuStackGuardAfter:
+ ret
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; TriggerINTnException (
+; IN EFI_EXCEPTION_TYPE ExceptionType
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(TriggerINTnException)
+ASM_PFX(TriggerINTnException):
+ push eax
+ push edx
+ lea eax, [AsmTriggerException1 - AsmTriggerException0]
+ mov ecx, dword [esp + 0xc]
+ push ecx
+ mul ecx
+ mov ecx, AsmTriggerException0
+ add eax, ecx
+ pop ecx
+ pop edx
+ jmp eax
+ ;
+ ; eax = AsmTriggerException0 + (AsmTriggerException1 - AsmTriggerException0) * ecx
+ ;
+%assign Vector 0
+%rep 22
+AsmTriggerException %+ Vector:
+ pop eax
+ INT Vector
+ ret
+%assign Vector Vector+1
+%endrep
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/PeiCpuExceptionHandlerLibUnitTest.inf b/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/PeiCpuExceptionHandlerLibUnitTest.inf
new file mode 100644
index 0000000000..25f8f8dbe0
--- /dev/null
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/PeiCpuExceptionHandlerLibUnitTest.inf
@@ -0,0 +1,61 @@
+## @file
+# Unit tests of the PeiCpuExceptionHandlerLib instance.
+#
+# Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+ INF_VERSION = 0x00010006
+ BASE_NAME = CpuExceptionHandlerPeiTest
+ FILE_GUID = 39A96CF7-F369-4357-9234-4B52F98A007F
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ ENTRY_POINT = PeiEntryPoint
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+[Sources.Ia32]
+ Ia32/ArchExceptionHandlerTestAsm.nasm
+ Ia32/ArchExceptionHandlerTest.c
+
+[Sources.X64]
+ X64/ArchExceptionHandlerTestAsm.nasm
+ X64/ArchExceptionHandlerTest.c
+
+[Sources.common]
+ CpuExceptionHandlerTest.h
+ CpuExceptionHandlerTestCommon.c
+ PeiCpuExceptionHandlerUnitTest.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ UefiCpuPkg/UefiCpuPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ UnitTestLib
+ MemoryAllocationLib
+ CpuExceptionHandlerLib
+ PeimEntryPoint
+ HobLib
+ PeiServicesLib
+ CpuPageTableLib
+ PeiServicesTablePointerLib
+
+[Pcd]
+ gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard ## CONSUMES
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuApStackSize ## CONSUMES
+
+[Ppis]
+ gEdkiiPeiMpServices2PpiGuid ## CONSUMES
+
+[Depex]
+ gEdkiiPeiMpServices2PpiGuid AND
+ gEfiPeiMemoryDiscoveredPpiGuid
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/PeiCpuExceptionHandlerUnitTest.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/PeiCpuExceptionHandlerUnitTest.c
new file mode 100644
index 0000000000..d9408d2f5e
--- /dev/null
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/UnitTest/PeiCpuExceptionHandlerUnitTest.c
@@ -0,0 +1,204 @@
+/** @file
+ Unit tests of the CpuExceptionHandlerLib.
+
+ Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "CpuExceptionHandlerTest.h"
+#include <Library/PeimEntryPoint.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/PeiServicesTablePointerLib.h>
+
+/**
+ Initialize Bsp Idt with a new Idt table and return the IA32_DESCRIPTOR buffer.
+ In PEIM, store original PeiServicePointer before new Idt table.
+
+ @return Pointer to the allocated IA32_DESCRIPTOR buffer.
+**/
+VOID *
+InitializeBspIdt (
+ VOID
+ )
+{
+ UINTN *NewIdtTable;
+ IA32_DESCRIPTOR *Idtr;
+
+ Idtr = AllocateZeroPool (sizeof (IA32_DESCRIPTOR));
+ ASSERT (Idtr != NULL);
+ NewIdtTable = AllocateZeroPool (sizeof (IA32_IDT_GATE_DESCRIPTOR) * CPU_INTERRUPT_NUM + sizeof (UINTN));
+ ASSERT (NewIdtTable != NULL);
+ //
+ // Store original PeiServicePointer before new Idt table
+ //
+ *NewIdtTable = (UINTN)GetPeiServicesTablePointer ();
+ NewIdtTable = (UINTN *)((UINTN)NewIdtTable + sizeof (UINTN));
+
+ Idtr->Base = (UINTN)NewIdtTable;
+ Idtr->Limit = (UINT16)(sizeof (IA32_IDT_GATE_DESCRIPTOR) * CPU_INTERRUPT_NUM - 1);
+
+ AsmWriteIdtr (Idtr);
+ return Idtr;
+}
+
+/**
+ Retrieve the number of logical processor in the platform and the number of those logical processors that
+ are enabled on this boot.
+
+ @param[in] MpServices MP_SERVICES structure.
+ @param[out] NumberOfProcessors Pointer to the total number of logical processors in the system, including
+ the BSP and disabled APs.
+ @param[out] NumberOfEnabledProcessors Pointer to the number of processors in the system that are enabled.
+
+ @retval EFI_SUCCESS Retrieve the number of logical processor successfully
+ @retval Others Retrieve the number of logical processor unsuccessfully
+**/
+EFI_STATUS
+MpServicesUnitTestGetNumberOfProcessors (
+ IN MP_SERVICES MpServices,
+ OUT UINTN *NumberOfProcessors,
+ OUT UINTN *NumberOfEnabledProcessors
+ )
+{
+ return MpServices.Ppi->GetNumberOfProcessors (MpServices.Ppi, NumberOfProcessors, NumberOfEnabledProcessors);
+}
+
+/**
+ Caller gets one enabled AP to execute a caller-provided function.
+
+ @param[in] MpServices MP_SERVICES structure.
+ @param[in] Procedure Pointer to the function to be run on enabled APs of the system.
+ @param[in] ProcessorNumber The handle number of the AP.
+ @param[in] TimeoutInMicroSeconds Indicates the time limit in microseconds for APs to return from Procedure,
+ for blocking mode only. Zero means infinity.
+ @param[in] ProcedureArgument The parameter passed into Procedure for all APs.
+
+
+ @retval EFI_SUCCESS Caller gets one enabled AP to execute a caller-provided function successfully
+ @retval Others Caller gets one enabled AP to execute a caller-provided function unsuccessfully
+**/
+EFI_STATUS
+MpServicesUnitTestStartupThisAP (
+ IN MP_SERVICES MpServices,
+ IN EFI_AP_PROCEDURE Procedure,
+ IN UINTN ProcessorNumber,
+ IN UINTN TimeoutInMicroSeconds,
+ IN VOID *ProcedureArgument
+ )
+{
+ return MpServices.Ppi->StartupThisAP (MpServices.Ppi, Procedure, ProcessorNumber, TimeoutInMicroSeconds, ProcedureArgument);
+}
+
+/**
+ Execute a caller provided function on all enabled APs.
+
+ @param[in] MpServices MP_SERVICES structure.
+ @param[in] Procedure Pointer to the function to be run on enabled APs of the system.
+ @param[in] SingleThread If TRUE, then all the enabled APs execute the function specified by Procedure
+ one by one, in ascending order of processor handle number.
+ If FALSE, then all the enabled APs execute the function specified by Procedure
+ simultaneously.
+ @param[in] TimeoutInMicroSeconds Indicates the time limit in microseconds for APs to return from Procedure,
+ for blocking mode only. Zero means infinity.
+ @param[in] ProcedureArgument The parameter passed into Procedure for all APs.
+
+ @retval EFI_SUCCESS Execute a caller provided function on all enabled APs successfully
+ @retval Others Execute a caller provided function on all enabled APs unsuccessfully
+**/
+EFI_STATUS
+MpServicesUnitTestStartupAllAPs (
+ IN MP_SERVICES MpServices,
+ IN EFI_AP_PROCEDURE Procedure,
+ IN BOOLEAN SingleThread,
+ IN UINTN TimeoutInMicroSeconds,
+ IN VOID *ProcedureArgument
+ )
+{
+ return MpServices.Ppi->StartupAllAPs (MpServices.Ppi, Procedure, SingleThread, TimeoutInMicroSeconds, ProcedureArgument);
+}
+
+/**
+ Get the handle number for the calling processor.
+
+ @param[in] MpServices MP_SERVICES structure.
+ @param[out] ProcessorNumber The handle number for the calling processor.
+
+ @retval EFI_SUCCESS Get the handle number for the calling processor successfully.
+ @retval Others Get the handle number for the calling processor unsuccessfully.
+**/
+EFI_STATUS
+MpServicesUnitTestWhoAmI (
+ IN MP_SERVICES MpServices,
+ OUT UINTN *ProcessorNumber
+ )
+{
+ return MpServices.Ppi->WhoAmI (MpServices.Ppi, ProcessorNumber);
+}
+
+/**
+ Get EDKII_PEI_MP_SERVICES2_PPI pointer.
+
+ @param[out] MpServices Pointer to the buffer where EDKII_PEI_MP_SERVICES2_PPI is stored
+
+ @retval EFI_SUCCESS EDKII_PEI_MP_SERVICES2_PPI interface is returned
+ @retval EFI_NOT_FOUND EDKII_PEI_MP_SERVICES2_PPI interface is not found
+**/
+EFI_STATUS
+GetMpServices (
+ OUT MP_SERVICES *MpServices
+ )
+{
+ return PeiServicesLocatePpi (&gEdkiiPeiMpServices2PpiGuid, 0, NULL, (VOID **)&MpServices->Ppi);
+}
+
+/**
+ Entry point of CpuExceptionHandlerPeiTest PEIM.
+
+ @param[in] FileHandle Handle of the file being invoked.
+ @param[in] PeiServices Describes the list of possible PEI Services.
+
+ @retval EFI_SUCCESS The PEIM executed normally.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiEntryPoint (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ EFI_STATUS Status;
+ UNIT_TEST_FRAMEWORK_HANDLE Framework;
+
+ Framework = NULL;
+
+ DEBUG ((DEBUG_INFO, "%a v%a\n", UNIT_TEST_APP_NAME, UNIT_TEST_APP_VERSION));
+
+ //
+ // Start setting up the test framework for running the tests.
+ //
+ Status = InitUnitTestFramework (&Framework, UNIT_TEST_APP_NAME, gEfiCallerBaseName, UNIT_TEST_APP_VERSION);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Failed in InitUnitTestFramework. Status = %r\n", Status));
+ goto EXIT;
+ }
+
+ Status = AddCommonTestCase (Framework);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Failed in AddCommonTestCase. Status = %r\n", Status));
+ goto EXIT;
+ }
+
+ //
+ // Execute the tests.
+ //
+ Status = RunAllTestSuites (Framework);
+
+EXIT:
+ if (Framework) {
+ FreeUnitTestFramework (Framework);
+ }
+
+ return Status;
+}
--
2.31.1.windows.1
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