audk/ShellPkg/Library/UefiShellDebug1CommandsLib/MemMap.c

411 lines
20 KiB
C

/** @file
Main file for Mode shell Debug1 function.
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
(C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which acModeanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
//
// Need full names for Standard-Format Output
//
STATIC CONST CHAR16 NameEfiReservedMemoryType[] = L"Reserved";
STATIC CONST CHAR16 NameEfiLoaderCode[] = L"LoaderCode";
STATIC CONST CHAR16 NameEfiLoaderData[] = L"LoaderData";
STATIC CONST CHAR16 NameEfiBootServicesCode[] = L"BootServiceCode";
STATIC CONST CHAR16 NameEfiBootServicesData[] = L"BootServiceData";
STATIC CONST CHAR16 NameEfiRuntimeServicesCode[] = L"RuntimeCode";
STATIC CONST CHAR16 NameEfiRuntimeServicesData[] = L"RuntimeData";
STATIC CONST CHAR16 NameEfiConventionalMemory[] = L"Available";
STATIC CONST CHAR16 NameEfiPersistentMemory[] = L"Persistent";
STATIC CONST CHAR16 NameEfiUnusableMemory[] = L"UnusableMemory";
STATIC CONST CHAR16 NameEfiACPIReclaimMemory[] = L"ACPIReclaimMemory";
STATIC CONST CHAR16 NameEfiACPIMemoryNVS[] = L"ACPIMemoryNVS";
STATIC CONST CHAR16 NameEfiMemoryMappedIO[] = L"MemoryMappedIO";
STATIC CONST CHAR16 NameEfiMemoryMappedIOPortSpace[] = L"MemoryMappedIOPortSpace";
STATIC CONST CHAR16 NameEfiPalCode[] = L"PalCode";
//
// Need short names for some memory types
//
STATIC CONST CHAR16 NameEfiBootServicesCodeShort[] = L"BS_Code";
STATIC CONST CHAR16 NameEfiBootServicesDataShort[] = L"BS_Data";
STATIC CONST CHAR16 NameEfiRuntimeServicesCodeShort[] = L"RT_Code";
STATIC CONST CHAR16 NameEfiRuntimeServicesDataShort[] = L"RT_Data";
STATIC CONST CHAR16 NameEfiUnusableMemoryShort[] = L"Unusable";
STATIC CONST CHAR16 NameEfiACPIReclaimMemoryShort[] = L"ACPI_Recl";
STATIC CONST CHAR16 NameEfiACPIMemoryNVSShort[] = L"ACPI_NVS";
STATIC CONST CHAR16 NameEfiMemoryMappedIOShort[] = L"MMIO";
STATIC CONST CHAR16 NameEfiMemoryMappedIOPortSpaceShort[] = L"MMIO_Port";
#include "UefiShellDebug1CommandsLib.h"
typedef struct {
UINT32 Type;
UINT64 NumberOfPages;
LIST_ENTRY Link;
} MEMORY_LENGTH_ENTRY;
/**
Add the length of the specified type to List.
@param List A list to hold all pairs of <Type, NumberOfPages>.
@param Type Memory type.
@param NumberOfPages Number of pages.
**/
VOID
AddMemoryLength (
LIST_ENTRY *List,
UINT32 Type,
UINT64 NumberOfPages
)
{
MEMORY_LENGTH_ENTRY *Entry;
MEMORY_LENGTH_ENTRY *NewEntry;
LIST_ENTRY *Link;
Entry = NULL;
for (Link = GetFirstNode (List); !IsNull (List, Link); Link = GetNextNode (List, Link)) {
Entry = BASE_CR (Link, MEMORY_LENGTH_ENTRY, Link);
if (Entry->Type >= Type) {
break;
}
}
if ((Entry != NULL) && (Entry->Type == Type)) {
//
// The Entry is the one we look for.
//
NewEntry = Entry;
} else {
//
// The search operation breaks due to:
// 1. Type of every entry < Type --> Insert to tail
// 2. Type of an entry > Type --> Insert to previous of this entry
//
NewEntry = AllocatePool (sizeof (*NewEntry));
if (NewEntry == NULL) {
return;
}
NewEntry->Type = Type;
NewEntry->NumberOfPages = 0;
InsertTailList (Link, &NewEntry->Link);
}
NewEntry->NumberOfPages += NumberOfPages;
}
/**
Function for 'memmap' command.
@param[in] ImageHandle Handle to the Image (NULL if Internal).
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunMemMap (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
UINTN Size;
EFI_MEMORY_DESCRIPTOR *Descriptors;
UINTN MapKey;
UINTN ItemSize;
UINT32 Version;
EFI_MEMORY_DESCRIPTOR *Walker;
UINT64 ReservedPages;
UINT64 LoadCodePages;
UINT64 LoadDataPages;
UINT64 BSCodePages;
UINT64 BSDataPages;
UINT64 RTDataPages;
UINT64 RTCodePages;
UINT64 AvailPages;
UINT64 TotalPages;
UINT64 ReservedPagesSize;
UINT64 LoadCodePagesSize;
UINT64 LoadDataPagesSize;
UINT64 BSCodePagesSize;
UINT64 BSDataPagesSize;
UINT64 RTDataPagesSize;
UINT64 RTCodePagesSize;
UINT64 AvailPagesSize;
UINT64 TotalPagesSize;
UINT64 AcpiReclaimPages;
UINT64 AcpiNvsPages;
UINT64 MmioSpacePages;
UINT64 AcpiReclaimPagesSize;
UINT64 AcpiNvsPagesSize;
UINT64 MmioSpacePagesSize;
UINT64 MmioPortPages;
UINT64 MmioPortPagesSize;
UINT64 UnusableMemoryPages;
UINT64 UnusableMemoryPagesSize;
UINT64 PalCodePages;
UINT64 PalCodePagesSize;
UINT64 PersistentPages;
UINT64 PersistentPagesSize;
BOOLEAN Sfo;
LIST_ENTRY MemoryList;
MEMORY_LENGTH_ENTRY *Entry;
LIST_ENTRY *Link;
AcpiReclaimPages = 0;
AcpiNvsPages = 0;
MmioSpacePages = 0;
TotalPages = 0;
ReservedPages = 0;
LoadCodePages = 0;
LoadDataPages = 0;
BSCodePages = 0;
BSDataPages = 0;
RTDataPages = 0;
RTCodePages = 0;
AvailPages = 0;
MmioPortPages = 0;
UnusableMemoryPages = 0;
PalCodePages = 0;
PersistentPages = 0;
Size = 0;
Descriptors = NULL;
ShellStatus = SHELL_SUCCESS;
Status = EFI_SUCCESS;
InitializeListHead (&MemoryList);
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize();
ASSERT_EFI_ERROR(Status);
Status = CommandInit();
ASSERT_EFI_ERROR(Status);
//
// parse the command line
//
Status = ShellCommandLineParse (SfoParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR(Status)) {
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"memmap", ProblemParam);
FreePool(ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT(FALSE);
}
} else {
if (ShellCommandLineGetCount(Package) > 1) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"memmap");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
Status = gBS->GetMemoryMap(&Size, Descriptors, &MapKey, &ItemSize, &Version);
if (Status == EFI_BUFFER_TOO_SMALL){
Size += SIZE_1KB;
Descriptors = AllocateZeroPool(Size);
Status = gBS->GetMemoryMap(&Size, Descriptors, &MapKey, &ItemSize, &Version);
}
if (EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MEMMAP_GET_FAILED), gShellDebug1HiiHandle, L"memmap");
ShellStatus = SHELL_ACCESS_DENIED;
} else {
ASSERT(Version == EFI_MEMORY_DESCRIPTOR_VERSION);
Sfo = ShellCommandLineGetFlag(Package, L"-sfo");
if (!Sfo) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MEMMAP_LIST_HEAD), gShellDebug1HiiHandle);
} else {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_SFO_HEADER), gShellDebug1HiiHandle, L"memmap");
}
for ( Walker = Descriptors
; (Walker < (EFI_MEMORY_DESCRIPTOR *) ((UINT8*)Descriptors + Size)) && (Walker != NULL)
; Walker = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *)Walker + ItemSize)
){
switch (Walker->Type) {
case EfiReservedMemoryType:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, NameEfiReservedMemoryType, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
ReservedPages += Walker->NumberOfPages;
break;
case EfiLoaderCode:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, NameEfiLoaderCode, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
LoadCodePages += Walker->NumberOfPages;
TotalPages += Walker->NumberOfPages;
break;
case EfiLoaderData:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, NameEfiLoaderData, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
LoadDataPages += Walker->NumberOfPages;
TotalPages += Walker->NumberOfPages;
break;
case EfiBootServicesCode:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, !Sfo?NameEfiBootServicesCodeShort:NameEfiBootServicesCode, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
BSCodePages += Walker->NumberOfPages;
TotalPages += Walker->NumberOfPages;
break;
case EfiBootServicesData:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, !Sfo?NameEfiBootServicesDataShort:NameEfiBootServicesData, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
BSDataPages += Walker->NumberOfPages;
TotalPages += Walker->NumberOfPages;
break;
case EfiRuntimeServicesCode:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, !Sfo?NameEfiRuntimeServicesCodeShort:NameEfiRuntimeServicesCode, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
RTCodePages += Walker->NumberOfPages;
TotalPages += Walker->NumberOfPages;
break;
case EfiRuntimeServicesData:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, !Sfo?NameEfiRuntimeServicesDataShort:NameEfiRuntimeServicesData, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
RTDataPages += Walker->NumberOfPages;
TotalPages += Walker->NumberOfPages;
break;
case EfiConventionalMemory:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, NameEfiConventionalMemory, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
AvailPages += Walker->NumberOfPages;
TotalPages += Walker->NumberOfPages;
break;
case EfiPersistentMemory:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, NameEfiPersistentMemory, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
PersistentPages += Walker->NumberOfPages;
TotalPages += Walker->NumberOfPages;
break;
case EfiUnusableMemory:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, !Sfo?NameEfiUnusableMemoryShort:NameEfiUnusableMemory, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
UnusableMemoryPages += Walker->NumberOfPages;
break;
case EfiACPIReclaimMemory:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, !Sfo?NameEfiACPIReclaimMemoryShort:NameEfiACPIReclaimMemory, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
TotalPages += Walker->NumberOfPages;
AcpiReclaimPages += Walker->NumberOfPages;
break;
case EfiACPIMemoryNVS:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, !Sfo?NameEfiACPIMemoryNVSShort:NameEfiACPIMemoryNVS, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
TotalPages += Walker->NumberOfPages;
AcpiNvsPages += Walker->NumberOfPages;
break;
case EfiMemoryMappedIO:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, !Sfo?NameEfiMemoryMappedIOShort:NameEfiMemoryMappedIO, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
MmioSpacePages += Walker->NumberOfPages;
break;
case EfiMemoryMappedIOPortSpace:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, !Sfo?NameEfiMemoryMappedIOPortSpaceShort:NameEfiMemoryMappedIOPortSpace, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
MmioPortPages += Walker->NumberOfPages;
break;
case EfiPalCode:
ShellPrintHiiEx(-1, -1, NULL, (EFI_STRING_ID)(!Sfo?STRING_TOKEN (STR_MEMMAP_LIST_ITEM):STRING_TOKEN (STR_MEMMAP_LIST_ITEM_SFO)), gShellDebug1HiiHandle, NameEfiPalCode, Walker->PhysicalStart, Walker->PhysicalStart+MultU64x64(SIZE_4KB,Walker->NumberOfPages)-1, Walker->NumberOfPages, Walker->Attribute);
TotalPages += Walker->NumberOfPages;
PalCodePages += Walker->NumberOfPages;
break;
default:
//
// Shell Spec defines the SFO format.
// Do not print the OEM/OS memory usage in the SFO format, to avoid conflict with Shell Spec.
//
if (!Sfo) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MEMMAP_LIST_ITEM_OTHER), gShellDebug1HiiHandle, Walker->Type, Walker->PhysicalStart, Walker->PhysicalStart + MultU64x64 (SIZE_4KB, Walker->NumberOfPages) - 1, Walker->NumberOfPages, Walker->Attribute);
}
TotalPages += Walker->NumberOfPages;
AddMemoryLength (&MemoryList, Walker->Type, Walker->NumberOfPages);
break;
}
}
//
// print the summary
//
ReservedPagesSize = MultU64x64(SIZE_4KB,ReservedPages);
LoadCodePagesSize = MultU64x64(SIZE_4KB,LoadCodePages);
LoadDataPagesSize = MultU64x64(SIZE_4KB,LoadDataPages);
BSCodePagesSize = MultU64x64(SIZE_4KB,BSCodePages);
BSDataPagesSize = MultU64x64(SIZE_4KB,BSDataPages);
RTDataPagesSize = MultU64x64(SIZE_4KB,RTDataPages);
RTCodePagesSize = MultU64x64(SIZE_4KB,RTCodePages);
AvailPagesSize = MultU64x64(SIZE_4KB,AvailPages);
TotalPagesSize = MultU64x64(SIZE_4KB,TotalPages);
AcpiReclaimPagesSize = MultU64x64(SIZE_4KB,AcpiReclaimPages);
AcpiNvsPagesSize = MultU64x64(SIZE_4KB,AcpiNvsPages);
MmioSpacePagesSize = MultU64x64(SIZE_4KB,MmioSpacePages);
MmioPortPagesSize = MultU64x64(SIZE_4KB,MmioPortPages);
PalCodePagesSize = MultU64x64(SIZE_4KB,PalCodePages);
PersistentPagesSize = MultU64x64(SIZE_4KB,PersistentPages);
UnusableMemoryPagesSize = MultU64x64(SIZE_4KB,UnusableMemoryPages);
if (!Sfo) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MEMMAP_LIST_SUMM), gShellDebug1HiiHandle,
ReservedPages, ReservedPagesSize,
LoadCodePages, LoadCodePagesSize,
LoadDataPages, LoadDataPagesSize,
BSCodePages, BSCodePagesSize,
BSDataPages, BSDataPagesSize,
RTCodePages, RTCodePagesSize,
RTDataPages, RTDataPagesSize,
AcpiReclaimPages, AcpiReclaimPagesSize,
AcpiNvsPages, AcpiNvsPagesSize,
MmioSpacePages, MmioSpacePagesSize,
MmioPortPages, MmioPortPagesSize,
PalCodePages, PalCodePagesSize,
AvailPages, AvailPagesSize,
PersistentPages, PersistentPagesSize
);
//
// Print out the total memory usage for OEM/OS types in the order of type.
//
for (Link = GetFirstNode (&MemoryList); !IsNull (&MemoryList, Link); Link = GetNextNode (&MemoryList, Link)) {
Entry = BASE_CR (Link, MEMORY_LENGTH_ENTRY, Link);
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MEMMAP_LIST_SUMM_OTHER), gShellDebug1HiiHandle,
Entry->Type, Entry->NumberOfPages, MultU64x64 (SIZE_4KB, Entry->NumberOfPages)
);
}
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MEMMAP_LIST_SUMM2), gShellDebug1HiiHandle,
DivU64x32(MultU64x64(SIZE_4KB,TotalPages), SIZE_1MB), TotalPagesSize
);
} else {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MEMMAP_LIST_SUMM_SFO), gShellDebug1HiiHandle,
TotalPagesSize,
ReservedPagesSize,
BSCodePagesSize,
BSDataPagesSize,
RTCodePagesSize,
RTDataPagesSize,
LoadCodePagesSize,
LoadDataPagesSize,
AvailPagesSize,
MmioSpacePagesSize,
MmioPortPagesSize,
UnusableMemoryPagesSize,
AcpiReclaimPagesSize,
AcpiNvsPagesSize,
PalCodePagesSize,
PersistentPagesSize
);
}
}
}
ShellCommandLineFreeVarList (Package);
}
if (Descriptors != NULL) {
FreePool(Descriptors);
}
//
// Free the memory list.
//
for (Link = GetFirstNode (&MemoryList); !IsNull (&MemoryList, Link); ) {
Link = RemoveEntryList (Link);
}
return (ShellStatus);
}