ArmPkg/TimerDxe: Always perform an EOI, even for spurious interrupts

[mirror_edk2.git] / MdeModulePkg / Universal / MemoryTest / NullMemoryTestDxe / NullMemoryTest.c

/** @file\r
  Implementation of Generic Memory Test Protocol which does not perform real memory test.\r
\r
Copyright (c) 2006 - 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
\r
**/\r
\r
\r
#include "NullMemoryTest.h"\r
\r
UINT64                            mTestedSystemMemory = 0;\r
UINT64                            mTotalSystemMemory  = 0;\r
EFI_HANDLE                        mGenericMemoryTestHandle;\r
\r
EFI_GENERIC_MEMORY_TEST_PROTOCOL  mGenericMemoryTest = {\r
  InitializeMemoryTest,\r
  GenPerformMemoryTest,\r
  GenMemoryTestFinished,\r
  GenCompatibleRangeTest\r
};\r
\r
/**\r
  Entry point of the NULL memory test driver.\r
  \r
  This function is the entry point of the NULL memory test driver.\r
  It simply installs the Generic Memory Test Protocol.\r
\r
  @param  ImageHandle    The firmware allocated handle for the EFI image.\r
  @param  SystemTable    A pointer to the EFI System Table.\r
\r
  @retval EFI_SUCCESS    Generic Memory Test Protocol is successfully installed.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
GenericMemoryTestEntryPoint (\r
  IN  EFI_HANDLE           ImageHandle,\r
  IN  EFI_SYSTEM_TABLE     *SystemTable\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  Status = gBS->InstallProtocolInterface (\r
                  &mGenericMemoryTestHandle,\r
                  &gEfiGenericMemTestProtocolGuid,\r
                  EFI_NATIVE_INTERFACE,\r
                  &mGenericMemoryTest\r
                  );\r
  ASSERT_EFI_ERROR (Status);\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Convert the memory descriptor to tested.\r
\r
  @param Descriptor  Pointer to EFI_GCD_MEMORY_SPACE_DESCRIPTOR\r
\r
  @retval EFI_SUCCESS The memory descriptor is converted to tested.\r
  @retval others      Error happens.\r
**/\r
EFI_STATUS\r
ConvertToTestedMemory (\r
  IN CONST EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor\r
  )\r
{\r
  EFI_STATUS Status;\r
  Status = gDS->RemoveMemorySpace (\r
                  Descriptor->BaseAddress,\r
                  Descriptor->Length\r
                  );\r
  if (!EFI_ERROR (Status)) {\r
    Status = gDS->AddMemorySpace (\r
                    ((Descriptor->Capabilities & EFI_MEMORY_MORE_RELIABLE) == EFI_MEMORY_MORE_RELIABLE) ?\r
                    EfiGcdMemoryTypeMoreReliable : EfiGcdMemoryTypeSystemMemory,\r
                    Descriptor->BaseAddress,\r
                    Descriptor->Length,\r
                    Descriptor->Capabilities &~\r
                    (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED | EFI_MEMORY_RUNTIME)\r
                    );\r
  }\r
  return Status;\r
}\r
\r
\r
/**\r
  Initialize the generic memory test.\r
\r
  This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.MemoryTestInit.\r
  It simply promotes untested reserved memory to system memory without real test.\r
\r
  @param  This                Protocol instance pointer. \r
  @param  Level               The coverage level of the memory test. \r
  @param  RequireSoftECCInit  Indicate if the memory need software ECC init. \r
\r
  @retval EFI_SUCCESS         The generic memory test initialized correctly. \r
  @retval EFI_NO_MEDIA        There is not any non-tested memory found, in this \r
                              function if not any non-tesed memory found means  \r
                              that the memory test driver have not detect any \r
                              non-tested extended memory of current system. \r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
InitializeMemoryTest (\r
  IN EFI_GENERIC_MEMORY_TEST_PROTOCOL          *This,\r
  IN  EXTENDMEM_COVERAGE_LEVEL                 Level,\r
  OUT BOOLEAN                                  *RequireSoftECCInit\r
  )\r
{\r
  EFI_STATUS                      Status;\r
  UINTN                           NumberOfDescriptors;\r
  EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r
  UINTN                           Index;\r
\r
  gDS->GetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r
  for (Index = 0; Index < NumberOfDescriptors; Index++) {\r
    if (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeReserved &&\r
        (MemorySpaceMap[Index].Capabilities & (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED)) ==\r
          (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED)\r
          ) {\r
      //\r
      // For those reserved memory that have not been tested, simply promote to system memory.\r
      //\r
      Status = ConvertToTestedMemory (&MemorySpaceMap[Index]);\r
      ASSERT_EFI_ERROR (Status);\r
      mTestedSystemMemory += MemorySpaceMap[Index].Length;\r
      mTotalSystemMemory += MemorySpaceMap[Index].Length;\r
    } else if ((MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r
               (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeMoreReliable)) {\r
      mTotalSystemMemory += MemorySpaceMap[Index].Length;\r
    }\r
  }\r
\r
  FreePool (MemorySpaceMap);\r
\r
  *RequireSoftECCInit = FALSE;\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Perform the memory test.\r
\r
  This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.PerformMemoryTest.\r
  It simply returns EFI_NOT_FOUND.\r
\r
  @param  This                Protocol instance pointer. \r
  @param  TestedMemorySize    Return the tested extended memory size. \r
  @param  TotalMemorySize     Return the whole system physical memory size, this  \r
                              value may be changed if in some case some error  \r
                              DIMMs be disabled. \r
  @param  ErrorOut            Any time the memory error occurs, this will be \r
                              TRUE. \r
  @param  IfTestAbort         Indicate if the user press "ESC" to skip the memory \r
                              test. \r
\r
  @retval EFI_SUCCESS         One block of memory test ok, the block size is hide \r
                              internally. \r
  @retval EFI_NOT_FOUND       Indicate all the non-tested memory blocks have  \r
                              already go through. \r
  @retval EFI_DEVICE_ERROR    Mis-compare error, and no agent can handle it\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
GenPerformMemoryTest (\r
  IN EFI_GENERIC_MEMORY_TEST_PROTOCOL          *This,\r
  IN OUT UINT64                                *TestedMemorySize,\r
  OUT UINT64                                   *TotalMemorySize,\r
  OUT BOOLEAN                                  *ErrorOut,\r
  IN BOOLEAN                                   TestAbort\r
  )\r
{\r
  *ErrorOut         = FALSE;\r
  *TestedMemorySize = mTestedSystemMemory;\r
  *TotalMemorySize  = mTotalSystemMemory;\r
\r
  return EFI_NOT_FOUND;\r
\r
}\r
\r
/**\r
  The memory test finished.\r
\r
  This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.Finished.\r
  It simply returns EFI_SUCCESS.\r
\r
  @param  This                Protocol instance pointer. \r
\r
  @retval EFI_SUCCESS         Successful free all the generic memory test driver \r
                              allocated resource and notify to platform memory \r
                              test driver that memory test finished. \r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
GenMemoryTestFinished (\r
  IN EFI_GENERIC_MEMORY_TEST_PROTOCOL *This\r
  )\r
{\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Provide capability to test compatible range which used by some special\r
  driver required using memory range before BDS perform memory test.\r
\r
  This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.CompatibleRangeTest.\r
  It simply sets the memory range to system memory.\r
\r
  @param  This                Protocol instance pointer. \r
  @param  StartAddress        The start address of the memory range. \r
  @param  Length              The memory range's length. \r
  \r
  @retval EFI_SUCCESS           The compatible memory range pass the memory test. \r
  @retval EFI_INVALID_PARAMETER The compatible memory range must be below 16M.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
GenCompatibleRangeTest (\r
  IN EFI_GENERIC_MEMORY_TEST_PROTOCOL          *This,\r
  IN EFI_PHYSICAL_ADDRESS                      StartAddress,\r
  IN UINT64                                    Length\r
  )\r
{\r
  EFI_STATUS                      Status;\r
  EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r
\r
  Status = gDS->GetMemorySpaceDescriptor (StartAddress, &Descriptor);\r
  if (!EFI_ERROR (Status)) {\r
    Status = ConvertToTestedMemory (&Descriptor);\r
  }\r
  return Status;\r
}\r