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/** @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/UefiBootServicesTableLib.h>
#include <Protocol/Timer.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);
ASSERT (NewIdtTable != NULL);
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.Protocol->GetNumberOfProcessors (MpServices.Protocol, NumberOfProcessors, NumberOfEnabledProcessors);
}
/**
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.Protocol->WhoAmI (MpServices.Protocol, ProcessorNumber);
}
/**
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.Protocol->StartupThisAP (MpServices.Protocol, Procedure, ProcessorNumber, NULL, TimeoutInMicroSeconds, ProcedureArgument, NULL);
}
/**
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.Protocol->StartupAllAPs (MpServices.Protocol, Procedure, SingleThread, NULL, TimeoutInMicroSeconds, ProcedureArgument, NULL);
}
/**
Get EFI_MP_SERVICES_PROTOCOL pointer.
@param[out] MpServices Pointer to the buffer where EFI_MP_SERVICES_PROTOCOL is stored
@retval EFI_SUCCESS EFI_MP_SERVICES_PROTOCOL interface is returned
@retval EFI_NOT_FOUND EFI_MP_SERVICES_PROTOCOL interface is not found
**/
EFI_STATUS
GetMpServices (
OUT MP_SERVICES *MpServices
)
{
return gBS->LocateProtocol (&gEfiMpServiceProtocolGuid, NULL, (VOID **)&MpServices->Protocol);
}
/**
Entry for CpuExceptionHandlerDxeTest driver.
@param ImageHandle Image handle this driver.
@param SystemTable Pointer to the System Table.
@retval EFI_SUCCESS The driver executed normally.
**/
EFI_STATUS
EFIAPI
CpuExceptionHandlerTestEntry (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
UNIT_TEST_FRAMEWORK_HANDLE Framework;
EFI_TIMER_ARCH_PROTOCOL *TimerArchProtocol;
UINT64 TimerPeriod;
Framework = NULL;
TimerArchProtocol = NULL;
TimerPeriod = 0;
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;
}
//
// If HpetTimer driver has been dispatched, disable HpetTimer before Unit Test.
//
gBS->LocateProtocol (&gEfiTimerArchProtocolGuid, NULL, (VOID **)&TimerArchProtocol);
if (TimerArchProtocol != NULL) {
Status = TimerArchProtocol->GetTimerPeriod (TimerArchProtocol, &TimerPeriod);
ASSERT_EFI_ERROR (Status);
if (TimerPeriod > 0) {
DEBUG ((DEBUG_INFO, "HpetTimer has been dispatched. Disable HpetTimer.\n"));
Status = TimerArchProtocol->SetTimerPeriod (TimerArchProtocol, 0);
ASSERT_EFI_ERROR (Status);
}
}
//
// Execute the tests.
//
Status = RunAllTestSuites (Framework);
//
// Restore HpetTimer after Unit Test.
//
if ((TimerArchProtocol != NULL) && (TimerPeriod > 0)) {
DEBUG ((DEBUG_INFO, "Restore HpetTimer after DxeCpuExceptionHandlerLib UnitTest.\n"));
Status = TimerArchProtocol->SetTimerPeriod (TimerArchProtocol, TimerPeriod);
ASSERT_EFI_ERROR (Status);
}
EXIT:
if (Framework) {
FreeUnitTestFramework (Framework);
}
return Status;
}
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