4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** @file
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This program and the accompanying materials
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync are licensed and made available under the terms and conditions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync of the BSD License which accompanies this distribution. The
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync http://opensource.org/licenses/bsd-license.php
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "LightMemoryTest.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync//
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Global:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Since this driver will only ever produce one instance of the memory test
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// protocol, so we do not need to dynamically allocate the PrivateData.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync//
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_PHYSICAL_ADDRESS mCurrentAddress;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncLIST_ENTRY *mCurrentLink;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncNONTESTED_MEMORY_RANGE *mCurrentRange;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUINT64 mTestedSystemMemory;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUINT64 mNonTestedSystemMemory;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUINT32 GenericMemoryTestMonoPattern[GENERIC_CACHELINE_SIZE / 4] = {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0x5a5a5a5a,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0xa5a5a5a5,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0x5a5a5a5a,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0xa5a5a5a5,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0x5a5a5a5a,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0xa5a5a5a5,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0x5a5a5a5a,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0xa5a5a5a5,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0x5a5a5a5a,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0xa5a5a5a5,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0x5a5a5a5a,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0xa5a5a5a5,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0x5a5a5a5a,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0xa5a5a5a5,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0x5a5a5a5a,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0xa5a5a5a5
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Compares the contents of two buffers.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This function compares Length bytes of SourceBuffer to Length bytes of DestinationBuffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If all Length bytes of the two buffers are identical, then 0 is returned. Otherwise, the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync value returned is the first mismatched byte in SourceBuffer subtracted from the first
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mismatched byte in DestinationBuffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If Length = 0, then ASSERT().
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] DestinationBuffer The pointer to the destination buffer to compare.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] SourceBuffer The pointer to the source buffer to compare.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Length The number of bytes to compare.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return 0 All Length bytes of the two buffers are identical.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Non-zero The first mismatched byte in SourceBuffer subtracted from the first
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mismatched byte in DestinationBuffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncINTN
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncCompareMemWithoutCheckArgument (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN CONST VOID *DestinationBuffer,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN CONST VOID *SourceBuffer,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINTN Length
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ASSERT (Length > 0);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while ((--Length != 0) &&
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (*(INT8*)DestinationBuffer == *(INT8*)SourceBuffer)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DestinationBuffer = (INT8*)DestinationBuffer + 1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync SourceBuffer = (INT8*)SourceBuffer + 1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (INTN)*(UINT8*)DestinationBuffer - (INTN)*(UINT8*)SourceBuffer;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Construct the system base memory range through GCD service.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Private Point to generic memory test driver's private data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successful construct the base memory range through GCD service.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_OUT_OF_RESOURCE Could not allocate needed resource from base memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Others Failed to construct base memory range through GCD service.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncConstructBaseMemoryRange (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN GENERIC_MEMORY_TEST_PRIVATE *Private
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN NumberOfDescriptors;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Base memory will always below 4G
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gDS->GetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index = 0; Index < NumberOfDescriptors; Index++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->BaseMemorySize += MemorySpaceMap[Index].Length;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Destroy the link list base on the correspond link list type.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Private Point to generic memory test driver's private data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDestroyLinkList (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN GENERIC_MEMORY_TEST_PRIVATE *Private
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync LIST_ENTRY *Link;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NONTESTED_MEMORY_RANGE *NontestedRange;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Link = Private->NonTestedMemRanList.BackLink;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (Link != &Private->NonTestedMemRanList) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync RemoveEntryList (Link);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NontestedRange = NONTESTED_MEMORY_RANGE_FROM_LINK (Link);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gBS->FreePool (NontestedRange);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Link = Private->NonTestedMemRanList.BackLink;;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Add the extened memory to whole system memory map.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Private Point to generic memory test driver's private data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successful add all the extended memory to system memory map.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Others Failed to add the tested extended memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUpdateMemoryMap (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN GENERIC_MEMORY_TEST_PRIVATE *Private
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync LIST_ENTRY *Link;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NONTESTED_MEMORY_RANGE *Range;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Link = Private->NonTestedMemRanList.ForwardLink;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (Link != &Private->NonTestedMemRanList) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Range = NONTESTED_MEMORY_RANGE_FROM_LINK (Link);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gDS->RemoveMemorySpace (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Range->StartAddress,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Range->Length
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gDS->AddMemorySpace (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EfiGcdMemoryTypeSystemMemory,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Range->StartAddress,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Range->Length,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Range->Capabilities &~(EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED | EFI_MEMORY_RUNTIME)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Link = Link->ForwardLink;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Test a range of the memory directly .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Private Point to generic memory test driver's private data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] StartAddress Starting address of the memory range to be tested.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Length Length in bytes of the memory range to be tested.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Capabilities The bit mask of attributes that the memory range supports.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successful test the range of memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Others Failed to test the range of memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDirectRangeTest (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN GENERIC_MEMORY_TEST_PRIVATE *Private,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_PHYSICAL_ADDRESS StartAddress,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT64 Length,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT64 Capabilities
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_STATUS Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Perform a dummy memory test, so directly write the pattern to all range
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteMemory (Private, StartAddress, Length);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Verify the memory range
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Status = VerifyMemory (Private, StartAddress, Length);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (EFI_ERROR (Status)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Add the tested compatible memory to system memory using GCD service
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gDS->RemoveMemorySpace (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync StartAddress,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Length
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gDS->AddMemorySpace (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EfiGcdMemoryTypeSystemMemory,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync StartAddress,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Length,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Capabilities &~(EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED | EFI_MEMORY_RUNTIME)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Construct the system non-tested memory range through GCD service.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Private Point to generic memory test driver's private data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successful construct the non-tested memory range through GCD service.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_OUT_OF_RESOURCE Could not allocate needed resource from base memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Others Failed to construct non-tested memory range through GCD service.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncConstructNonTestedMemoryRange (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN GENERIC_MEMORY_TEST_PRIVATE *Private
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NONTESTED_MEMORY_RANGE *Range;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync BOOLEAN NoFound;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN NumberOfDescriptors;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Non tested memory range may be span 4G here
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NoFound = TRUE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gDS->GetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index = 0; Index < NumberOfDescriptors; Index++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeReserved &&
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (MemorySpaceMap[Index].Capabilities & (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED)) ==
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NoFound = FALSE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Light version do not need to process >4G memory range
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gBS->AllocatePool (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EfiBootServicesData,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sizeof (NONTESTED_MEMORY_RANGE),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (VOID **) &Range
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Range->Signature = EFI_NONTESTED_MEMORY_RANGE_SIGNATURE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Range->StartAddress = MemorySpaceMap[Index].BaseAddress;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Range->Length = MemorySpaceMap[Index].Length;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Range->Capabilities = MemorySpaceMap[Index].Capabilities;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mNonTestedSystemMemory += MemorySpaceMap[Index].Length;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync InsertTailList (&Private->NonTestedMemRanList, &Range->Link);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (NoFound) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_NOT_FOUND;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Write the memory test pattern into a range of physical memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Private Point to generic memory test driver's private data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Start The memory range's start address.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Size The memory range's size.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successful write the test pattern into the non-tested memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Others The test pattern may not really write into the physical memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncWriteMemory (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN GENERIC_MEMORY_TEST_PRIVATE *Private,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_PHYSICAL_ADDRESS Start,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT64 Size
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_PHYSICAL_ADDRESS Address;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Address = Start;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Add 4G memory address check for IA32 platform
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // NOTE: Without page table, there is no way to use memory above 4G.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Start + Size > MAX_ADDRESS) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (Address < (Start + Size)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem ((VOID *) (UINTN) Address, Private->MonoPattern, Private->MonoTestSize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Address += Private->CoverageSpan;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // bug bug: we may need GCD service to make the code cache and data uncache,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // if GCD do not support it or return fail, then just flush the whole cache.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Private->Cpu != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->Cpu->FlushDataCache (Private->Cpu, Start, Size, EfiCpuFlushTypeWriteBackInvalidate);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Verify the range of physical memory which covered by memory test pattern.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This function will also do not return any informatin just cause system reset,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync because the handle error encount fatal error and disable the bad DIMMs.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Private Point to generic memory test driver's private data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Start The memory range's start address.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Size The memory range's size.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successful verify the range of memory, no errors' location found.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Others The range of memory have errors contained.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVerifyMemory (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN GENERIC_MEMORY_TEST_PRIVATE *Private,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_PHYSICAL_ADDRESS Start,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT64 Size
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_PHYSICAL_ADDRESS Address;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync INTN ErrorFound;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_MEMORY_EXTENDED_ERROR_DATA *ExtendedErrorData;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Address = Start;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedErrorData = NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Add 4G memory address check for IA32 platform
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // NOTE: Without page table, there is no way to use memory above 4G.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Start + Size > MAX_ADDRESS) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Use the software memory test to check whether have detected miscompare
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // error here. If there is miscompare error here then check if generic
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // memory test driver can disable the bad DIMM.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (Address < (Start + Size)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ErrorFound = CompareMemWithoutCheckArgument (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (VOID *) (UINTN) (Address),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->MonoPattern,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->MonoTestSize
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (ErrorFound != 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Report uncorrectable errors
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedErrorData = AllocateZeroPool (sizeof (EFI_MEMORY_EXTENDED_ERROR_DATA));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (ExtendedErrorData == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_OUT_OF_RESOURCES;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedErrorData->DataHeader.HeaderSize = (UINT16) sizeof (EFI_STATUS_CODE_DATA);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedErrorData->DataHeader.Size = (UINT16) (sizeof (EFI_MEMORY_EXTENDED_ERROR_DATA) - sizeof (EFI_STATUS_CODE_DATA));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedErrorData->Granularity = EFI_MEMORY_ERROR_DEVICE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedErrorData->Operation = EFI_MEMORY_OPERATION_READ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedErrorData->Syndrome = 0x0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedErrorData->Address = Address;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedErrorData->Resolution = 0x40;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync REPORT_STATUS_CODE_EX (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_ERROR_CODE,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_COMPUTING_UNIT_MEMORY | EFI_CU_MEMORY_EC_UNCORRECTABLE,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &gEfiGenericMemTestProtocolGuid,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NULL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (UINT8 *) ExtendedErrorData + sizeof (EFI_STATUS_CODE_DATA),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedErrorData->DataHeader.Size
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_DEVICE_ERROR;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Address += Private->CoverageSpan;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Initialize the generic memory test.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] This The protocol instance pointer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Level The coverage level of the memory test.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[out] RequireSoftECCInit Indicate if the memory need software ECC init.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS The generic memory test is initialized correctly.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_NO_MEDIA The system had no memory to be tested.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncInitializeMemoryTest (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_GENERIC_MEMORY_TEST_PROTOCOL *This,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EXTENDMEM_COVERAGE_LEVEL Level,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OUT BOOLEAN *RequireSoftECCInit
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_STATUS Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync GENERIC_MEMORY_TEST_PRIVATE *Private;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_CPU_ARCH_PROTOCOL *Cpu;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private = GENERIC_MEMORY_TEST_PRIVATE_FROM_THIS (This);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *RequireSoftECCInit = FALSE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // This is initialize for default value, but some value may be reset base on
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // platform memory test driver.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->CoverLevel = Level;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->BdsBlockSize = TEST_BLOCK_SIZE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->MonoPattern = GenericMemoryTestMonoPattern;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->MonoTestSize = GENERIC_CACHELINE_SIZE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Initialize several internal link list
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync InitializeListHead (&Private->NonTestedMemRanList);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Construct base memory range
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ConstructBaseMemoryRange (Private);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // get the cpu arch protocol to support flash cache
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Status = gBS->LocateProtocol (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &gEfiCpuArchProtocolGuid,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NULL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (VOID **) &Cpu
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (!EFI_ERROR (Status)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->Cpu = Cpu;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Create the CoverageSpan of the memory test base on the coverage level
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync switch (Private->CoverLevel) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case EXTENSIVE:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->CoverageSpan = GENERIC_CACHELINE_SIZE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case SPARSE:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->CoverageSpan = SPARSE_SPAN_SIZE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Even the BDS do not need to test any memory, but in some case it
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // still need to init ECC memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync default:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->CoverageSpan = QUICK_SPAN_SIZE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // This is the first time we construct the non-tested memory range, if no
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // extended memory found, we know the system have not any extended memory
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // need to be test
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Status = ConstructNonTestedMemoryRange (Private);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Status == EFI_NOT_FOUND) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_NO_MEDIA;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // ready to perform the R/W/V memory test
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mTestedSystemMemory = Private->BaseMemorySize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mCurrentLink = Private->NonTestedMemRanList.ForwardLink;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mCurrentRange = NONTESTED_MEMORY_RANGE_FROM_LINK (mCurrentLink);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mCurrentAddress = mCurrentRange->StartAddress;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Perform the memory test.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] This The protocol instance pointer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[out] TestedMemorySize Return the tested extended memory size.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[out] TotalMemorySize Return the whole system physical memory size.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync The total memory size does not include memory in a slot with a disabled DIMM.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[out] ErrorOut TRUE if the memory error occured.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] IfTestAbort Indicates that the user pressed "ESC" to skip the memory test.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS One block of memory passed the test.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_NOT_FOUND All memory blocks have already been tested.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_DEVICE_ERROR Memory device error occured, and no agent can handle it.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncGenPerformMemoryTest (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_GENERIC_MEMORY_TEST_PROTOCOL *This,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OUT UINT64 *TestedMemorySize,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OUT UINT64 *TotalMemorySize,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OUT BOOLEAN *ErrorOut,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN BOOLEAN TestAbort
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_STATUS Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync GENERIC_MEMORY_TEST_PRIVATE *Private;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_MEMORY_RANGE_EXTENDED_DATA *RangeData;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT64 BlockBoundary;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private = GENERIC_MEMORY_TEST_PRIVATE_FROM_THIS (This);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *ErrorOut = FALSE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync RangeData = NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync BlockBoundary = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // In extensive mode the boundary of "mCurrentRange->Length" may will lost
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // some range that is not Private->BdsBlockSize size boundry, so need
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // the software mechanism to confirm all memory location be covered.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (mCurrentAddress < (mCurrentRange->StartAddress + mCurrentRange->Length)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((mCurrentAddress + Private->BdsBlockSize) <= (mCurrentRange->StartAddress + mCurrentRange->Length)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync BlockBoundary = Private->BdsBlockSize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync BlockBoundary = mCurrentRange->StartAddress + mCurrentRange->Length - mCurrentAddress;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // If TestAbort is true, means user cancel the memory test
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (!TestAbort && Private->CoverLevel != IGNORE) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Report status code of every memory range
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync RangeData = AllocateZeroPool (sizeof (EFI_MEMORY_RANGE_EXTENDED_DATA));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (RangeData == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_OUT_OF_RESOURCES;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync RangeData->DataHeader.HeaderSize = (UINT16) sizeof (EFI_STATUS_CODE_DATA);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync RangeData->DataHeader.Size = (UINT16) (sizeof (EFI_MEMORY_RANGE_EXTENDED_DATA) - sizeof (EFI_STATUS_CODE_DATA));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync RangeData->Start = mCurrentAddress;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync RangeData->Length = BlockBoundary;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync REPORT_STATUS_CODE_EX (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_PROGRESS_CODE,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_COMPUTING_UNIT_MEMORY | EFI_CU_MEMORY_PC_TEST,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &gEfiGenericMemTestProtocolGuid,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NULL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (UINT8 *) RangeData + sizeof (EFI_STATUS_CODE_DATA),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync RangeData->DataHeader.Size
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The software memory test (R/W/V) perform here. It will detect the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // memory mis-compare error.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteMemory (Private, mCurrentAddress, BlockBoundary);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Status = VerifyMemory (Private, mCurrentAddress, BlockBoundary);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (EFI_ERROR (Status)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // If perform here, means there is mis-compare error, and no agent can
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // handle it, so we return to BDS EFI_DEVICE_ERROR.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *ErrorOut = TRUE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_DEVICE_ERROR;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mTestedSystemMemory += BlockBoundary;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *TestedMemorySize = mTestedSystemMemory;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // If the memory test restart after the platform driver disable dimms,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // the NonTestSystemMemory may be changed, but the base memory size will
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // not changed, so we can get the current total memory size.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *TotalMemorySize = Private->BaseMemorySize + mNonTestedSystemMemory;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Update the current test address pointing to next BDS BLOCK
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mCurrentAddress += Private->BdsBlockSize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Change to next non tested memory range
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mCurrentLink = mCurrentLink->ForwardLink;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (mCurrentLink != &Private->NonTestedMemRanList) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mCurrentRange = NONTESTED_MEMORY_RANGE_FROM_LINK (mCurrentLink);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mCurrentAddress = mCurrentRange->StartAddress;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Here means all the memory test have finished
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *TestedMemorySize = mTestedSystemMemory;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *TotalMemorySize = Private->BaseMemorySize + mNonTestedSystemMemory;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_NOT_FOUND;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Finish the memory test.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] This The protocol instance pointer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Success. All resources used in the memory test are freed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncGenMemoryTestFinished (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_GENERIC_MEMORY_TEST_PROTOCOL *This
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_STATUS Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync GENERIC_MEMORY_TEST_PRIVATE *Private;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private = GENERIC_MEMORY_TEST_PRIVATE_FROM_THIS (This);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Perform Data and Address line test
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Status = PerformAddressDataLineTest (Private);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ASSERT_EFI_ERROR (Status);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Add the non tested memory range to system memory map through GCD service
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UpdateMemoryMap (Private);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // we need to free all the memory allocate
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DestroyLinkList (Private);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Provides the capability to test the compatible range used by some special drivers.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] This The protocol instance pointer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] StartAddress The start address of the compatible memory range that
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync must be below 16M.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Length The compatible memory range's length.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS The compatible memory range pass the memory test.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_INVALID_PARAMETER The compatible memory range are not below Low 16M.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncGenCompatibleRangeTest (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_GENERIC_MEMORY_TEST_PROTOCOL *This,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_PHYSICAL_ADDRESS StartAddress,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT64 Length
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_STATUS Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync GENERIC_MEMORY_TEST_PRIVATE *Private;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_PHYSICAL_ADDRESS CurrentBase;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT64 CurrentLength;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private = GENERIC_MEMORY_TEST_PRIVATE_FROM_THIS (This);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Check if the parameter is below 16MB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (StartAddress + Length > 0x1000000) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_INVALID_PARAMETER;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CurrentBase = StartAddress;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync do {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Check the required memory range status; if the required memory range span
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // the different GCD memory descriptor, it may be cause different action.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Status = gDS->GetMemorySpaceDescriptor (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CurrentBase,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &Descriptor
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (EFI_ERROR (Status)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Descriptor.GcdMemoryType == EfiGcdMemoryTypeReserved &&
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (Descriptor.Capabilities & (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED)) ==
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CurrentLength = Descriptor.BaseAddress + Descriptor.Length - CurrentBase;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (CurrentBase + CurrentLength > StartAddress + Length) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CurrentLength = StartAddress + Length - CurrentBase;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Status = DirectRangeTest (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CurrentBase,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CurrentLength,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Descriptor.Capabilities
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (EFI_ERROR (Status)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CurrentBase = Descriptor.BaseAddress + Descriptor.Length;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } while (CurrentBase < StartAddress + Length);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Here means the required range already be tested, so just return success.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Perform the address line walking ones test.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Private Point to generic memory test driver's private data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successful finished walking ones test.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_OUT_OF_RESOURCE Could not get resource in base memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_ACCESS_DENIED Code may can not run here because if walking one test
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync failed, system may be already halt.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncPerformAddressDataLineTest (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN GENERIC_MEMORY_TEST_PRIVATE *Private
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync LIST_ENTRY *ExtendedLink;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NONTESTED_MEMORY_RANGE *ExtendedRange;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync BOOLEAN InExtendedRange;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_PHYSICAL_ADDRESS TestAddress;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Light version no data line test, only perform the address line test
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync TestAddress = (EFI_PHYSICAL_ADDRESS) 0x1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (TestAddress < MAX_ADDRESS && TestAddress > 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // only test if the address falls in the enabled range
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync InExtendedRange = FALSE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedLink = Private->NonTestedMemRanList.BackLink;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (ExtendedLink != &Private->NonTestedMemRanList) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedRange = NONTESTED_MEMORY_RANGE_FROM_LINK (ExtendedLink);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((TestAddress >= ExtendedRange->StartAddress) &&
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (TestAddress < (ExtendedRange->StartAddress + ExtendedRange->Length))
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync InExtendedRange = TRUE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ExtendedLink = ExtendedLink->BackLink;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (InExtendedRange) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *(EFI_PHYSICAL_ADDRESS *) (UINTN) TestAddress = TestAddress;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->Cpu->FlushDataCache (Private->Cpu, TestAddress, 1, EfiCpuFlushTypeWriteBackInvalidate);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (*(EFI_PHYSICAL_ADDRESS *) (UINTN) TestAddress != TestAddress) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_ACCESS_DENIED;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync TestAddress = LShiftU64 (TestAddress, 1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync//
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Driver entry here
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync//
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncGENERIC_MEMORY_TEST_PRIVATE mGenericMemoryTestPrivate = {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_GENERIC_MEMORY_TEST_PRIVATE_SIGNATURE,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NULL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NULL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync InitializeMemoryTest,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync GenPerformMemoryTest,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync GenMemoryTestFinished,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync GenCompatibleRangeTest
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync },
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (EXTENDMEM_COVERAGE_LEVEL) 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NULL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NULL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NULL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync The generic memory test driver's entry point.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync It initializes private data to default value.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] ImageHandle The firmware allocated handle for the EFI image.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] SystemTable A pointer to the EFI System Table.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS The entry point is executed successfully.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_NOT_FOUND Can't find HandOff Hob in HobList.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval other Some error occurs when executing this entry point.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncGenericMemoryTestEntryPoint (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_HANDLE ImageHandle,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_SYSTEM_TABLE *SystemTable
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_STATUS Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync VOID *HobList;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_BOOT_MODE BootMode;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_PEI_HOB_POINTERS Hob;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Use the generic pattern to test compatible memory range
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mGenericMemoryTestPrivate.MonoPattern = GenericMemoryTestMonoPattern;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mGenericMemoryTestPrivate.MonoTestSize = GENERIC_CACHELINE_SIZE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Get the platform boot mode
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync HobList = GetHobList ();
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Hob.Raw = HobList;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Hob.Header->HobType != EFI_HOB_TYPE_HANDOFF) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_NOT_FOUND;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync BootMode = Hob.HandoffInformationTable->BootMode;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Get the platform boot mode and create the default memory test coverage
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // level and span size for compatible memory test using
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync switch (BootMode) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case BOOT_WITH_FULL_CONFIGURATION:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case BOOT_WITH_DEFAULT_SETTINGS:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mGenericMemoryTestPrivate.CoverageSpan = SPARSE_SPAN_SIZE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case BOOT_WITH_FULL_CONFIGURATION_PLUS_DIAGNOSTICS:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mGenericMemoryTestPrivate.CoverageSpan = GENERIC_CACHELINE_SIZE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync default:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mGenericMemoryTestPrivate.CoverageSpan = QUICK_SPAN_SIZE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Install the protocol
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Status = gBS->InstallProtocolInterface (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &mGenericMemoryTestPrivate.Handle,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &gEfiGenericMemTestProtocolGuid,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_NATIVE_INTERFACE,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &mGenericMemoryTestPrivate.GenericMemoryTest
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}